c86ed788421e73107a8074ff4541b215cac4349f
Network-dat/RC-dat/rc-hack-dat/rc-hack-dat.md
| ... | ... | @@ -44,9 +44,13 @@ fully fixed |
| 44 | 44 | |
| 45 | 45 | - [[pump-dat]] - [[relay-dat]] - [[buzzer-dat]] |
| 46 | 46 | |
| 47 | +- [[screw-dat]] |
|
| 47 | 48 | |
| 49 | +- [[sheet-dat]] |
|
| 48 | 50 | |
| 51 | +## tools |
|
| 49 | 52 | |
| 53 | +- [[[tools-power-dat]] - [[fab-tools-dat]] |
|
| 50 | 54 | |
| 51 | 55 | |
| 52 | 56 | ## ref |
app-dat/PNP-openpnp-dat/PixiePlacer-dat/PixiePlacer-Frame-dat/PixiePlacer-Frame-dat.md
| ... | ... | @@ -12,7 +12,7 @@ |
| 12 | 12 | |
| 13 | 13 | 1. [[structure-dat]] - [[Alu-Extrusion-dat]] |
| 14 | 14 | |
| 15 | -2. [[mechanics-dat]] - [[Linear-Rail-dat]] |
|
| 15 | +2. [[fab-mechanics-dat]] - [[Linear-Rail-dat]] |
|
| 16 | 16 | |
| 17 | 17 | 3. [[NUT-dat]] - [[screw-dat]] |
| 18 | 18 |
app-dat/PNP-openpnp-dat/PixiePlacer-dat/PixiePlacer-Y-dat/PixiePlacer-Y-dat.md
| ... | ... | @@ -119,7 +119,7 @@ Nuts and Bolts |
| 119 | 119 | |
| 120 | 120 | - [[motor-dat]] - [[belt-sys-dat]] |
| 121 | 121 | |
| 122 | -- [[mechanics-dat]] - [[bearing-dat]] - [[shaft-dat]] - [[belt-dat]] |
|
| 122 | +- [[fab-mechanics-dat]] - [[bearing-dat]] - [[shaft-dat]] - [[belt-dat]] |
|
| 123 | 123 | |
| 124 | 124 | |
| 125 | 125 | ## CAD images |
app-dat/RC-apps-dat/RC-apps-dat.md
| ... | ... | @@ -87,6 +87,6 @@ but **500 Hz is the highest stable rate** supported by the Mobula8 SPI receiver. |
| 87 | 87 | |
| 88 | 88 | - [[rc-apps]] |
| 89 | 89 | |
| 90 | -- [[mechanics-dat]] |
|
| 90 | +- [[fab-mechanics-dat]] |
|
| 91 | 91 | |
| 92 | 92 | - [[physics-dat]] |
| ... | ... | \ No newline at end of file |
app-dat/RC-apps-dat/rc-rover-dat/rc-rover-dat.md
| ... | ... | @@ -50,7 +50,7 @@ |
| 50 | 50 | |
| 51 | 51 | ## mechanics
|
| 52 | 52 | |
| 53 | -- [[suspension-dat]] - [[mechanics-dat]] - [[chassis-dat]] - [[wheels-dat]] - [[shaft-connector-dat]]
|
|
| 53 | +- [[suspension-dat]] - [[fab-mechanics-dat]] - [[chassis-dat]] - [[wheels-dat]] - [[shaft-connector-dat]]
|
|
| 54 | 54 | |
| 55 | 55 | |
| 56 | 56 |
engineering-dat/engineering-dat.md
| ... | ... | @@ -14,7 +14,7 @@ |
| 14 | 14 | |
| 15 | 15 | ## ref |
| 16 | 16 | |
| 17 | -- [[mechanics-dat]] - [[tech-dat]] |
|
| 17 | +- [[fab-mechanics-dat]] - [[tech-dat]] |
|
| 18 | 18 | |
| 19 | 19 | |
| 20 | 20 | - [[engineering]] |
fab-dat/fab-Tools-dat/Coulomb-Meter-dat/Coulomb-Meter-dat.md
| ... | ... | @@ -1,62 +0,0 @@ |
| 1 | -
|
|
| 2 | -
|
|
| 3 | -# Coulomb-Meter-dat
|
|
| 4 | -
|
|
| 5 | -- [[fab-tools-dat]] - [[Coulomb-Meter-dat]] - [[battery-tools-dat]]
|
|
| 6 | -
|
|
| 7 | -A **Coulombmeter** (also spelled **Coulomb Meter** or called a **Coulomb Counter**), in the context of battery electronics, is a high-precision instrument or integrated circuit used to measure **electrical charge**.
|
|
| 8 | -
|
|
| 9 | -In everyday applications, it functions as a highly accurate "fuel gauge" for lithium-ion battery management systems (BMS) [[BMS-dat]] found in smartphones, laptops, drones, portable power stations, and electric vehicles (like scooters and rovers). It calculates exactly how much capacity is left in terms of percentage (%) and remaining runtime.
|
|
| 10 | -
|
|
| 11 | ----
|
|
| 12 | -
|
|
| 13 | -## 1. Core Operating Principle: The "Water Tank" Analogy
|
|
| 14 | -
|
|
| 15 | -Early battery-monitoring methods estimated battery capacity solely by measuring **cell voltage**. However, lithium-ion batteries have a very flat discharge curve—their voltage drops very little throughout most of their cycle, then plunges rapidly at the very end. This leads to inaccurate readings (e.g., a phone staying at 50% for hours, then suddenly dropping to 10% in minutes).
|
|
| 16 | -
|
|
| 17 | -A coulombmeter solves this by tracking the actual inflow and outflow of current over time, similar to a precise flow meter installed on a water pipe:
|
|
| 18 | -* **During Charging:** It counts every milliampere of current flowing *into* the battery and multiplies it by time, calculating the added charge.
|
|
| 19 | -* **During Discharging:** It counts every milliampere flowing *out* of the battery and subtracts it from the total.
|
|
| 20 | -
|
|
| 21 | -Technically, it measures the voltage drop across an ultra-low-resistance inline component called a **Shunt Resistor** (Current Sense Resistor). By sampling this current ($I$) continuously, it computes the total charge ($Q$) using mathematical integration over time ($t$):
|
|
| 22 | -
|
|
| 23 | -$$Q = \int I \, dt$$
|
|
| 24 | -
|
|
| 25 | -The final calculated output is expressed in standard battery units: **mAh (milliampere-hours)** or **Ah (ampere-hours)**.
|
|
| 26 | -
|
|
| 27 | -
|
|
| 28 | -
|
|
| 29 | ----
|
|
| 30 | -
|
|
| 31 | -## 2. Coulomb Counting vs. Traditional Voltage Estimation
|
|
| 32 | -
|
|
| 33 | -| Feature | Traditional Voltage Estimation | Coulomb Counter (Coulombmeter) |
|
|
| 34 | -| :--- | :--- | :--- |
|
|
| 35 | -| **Measurement Method** | Reads the instantaneous voltage across battery terminals. | Continuously logs net current entering/leaving the cell over time. |
|
|
| 36 | -| **Accuracy** | **Low**. Heavily skewed by sudden loads, ambient temperature, and aging. | **Very High**. Accurately tracks minute changes in real-time power consumption. |
|
|
| 37 | -| **Drop-off Phenomenon** | Prone to sudden percentage jumps or drops under heavy loads. | Delivers smooth, linear, and predictable percentage tracking. |
|
|
| 38 | -| **Hardware Cost** | Zero extra cost (uses the microcontroller's internal ADC). | Higher cost (requires a dedicated chip and a precision shunt resistor). |
|
|
| 39 | -
|
|
| 40 | ----
|
|
| 41 | -
|
|
| 42 | -## 3. The Cumulative Error Challenge: Learning Cycles
|
|
| 43 | -
|
|
| 44 | -While highly accurate, coulombmeters suffer from a physical limitation known as **drift** or accumulated error. Because sensing resistors and ADC clocks have minor tolerances, keeping a battery perpetually between 30% and 80% without a full reset causes these tiny mathematical errors to compound over weeks, leading to drifted readings.
|
|
| 45 | -
|
|
| 46 | -To maintain accuracy, the system relies on a process called a **Learning Cycle**:
|
|
| 47 | -> 💡 When the battery is charged to its absolute maximum limit (detected when charging current drops to a minimum threshold) or drained to its absolute safe cut-off voltage, the system automatically recalibrates and resets its baseline data to "100%" or "0%". This completely clears out any accumulated mathematical drift. This is why new electronic devices or DIY battery projects often require a full charge/discharge cycle upon initial setup to calibrate the fuel gauge.
|
|
| 48 | -
|
|
| 49 | ----
|
|
| 50 | -
|
|
| 51 | -## 4. Common Application Scenarios
|
|
| 52 | -
|
|
| 53 | -1. **Consumer Electronics:** Mobile devices, smartwatches, and laptops rely on dedicated gas-gauge ICs (e.g., Texas Instruments `BQ27421`). - [[BQ27421-dat]]
|
|
| 54 | -2. **Portable Power Stations & Solar Storage:** Large-capacity lithium packs utilize external shunt-based coulombmeters to display exact remaining amp-hours or watts.
|
|
| 55 | -3. **Robotics & DIY Projects (e.g., ESP32/Rover Smart Power Management):** Hardware developers add micro-chips like the `MAX17043` or integrated power modules to monitor exact power draw, prevent hazardous over-discharge conditions, and execute automated low-battery return-to-home functions. - [[MAX17043-dat]]
|
|
| 56 | -4.
|
|
| 57 | -
|
|
| 58 | -
|
|
| 59 | -
|
|
| 60 | -## ref
|
|
| 61 | -
|
|
| 62 | -
|
fab-dat/fab-Tools-dat/SMD-tester-dat/SMD-tester-dat.md
| ... | ... | @@ -1,14 +0,0 @@ |
| 1 | - |
|
| 2 | -# SMD-tester-dat |
|
| 3 | - |
|
| 4 | -## good list |
|
| 5 | - |
|
| 6 | -| Model | Type/Style | Issue/Note | |
|
| 7 | -| --------------- | ---------------- | ------------------------------ | |
|
| 8 | -| LIYIGAO UA6013L | Capacitor tester | Good for capacitor measurement | |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -## ref |
|
| 13 | - |
|
| 14 | -- [[tools-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/electronic-loader-dat/2025-05-30-18-30-59.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/electronic-loader-dat/2025-05-30-18-30-59.png and /dev/null differ |
fab-dat/fab-Tools-dat/electronic-loader-dat/IT8511A-dat/IT8511A-dat.md
| ... | ... | @@ -1,3 +0,0 @@ |
| 1 | - |
|
| 2 | -# IT8511A-dat |
|
| 3 | - |
fab-dat/fab-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-21-41.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-21-41.png and /dev/null differ |
fab-dat/fab-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-22-09.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-22-09.png and /dev/null differ |
fab-dat/fab-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-24-06.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-24-06.png and /dev/null differ |
fab-dat/fab-Tools-dat/electronic-loader-dat/KP182-dat/KP182-dat.md
| ... | ... | @@ -1,44 +0,0 @@ |
| 1 | -# KP182-dat |
|
| 2 | - |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -## KP182（200W/150V/20A） 不带通讯 |
|
| 6 | - |
|
| 7 | -CC/CV/CR/CP four modes, battery capacity, internal resistance test, overcurrent, comparison, dynamic test, 4-digit display |
|
| 8 | - |
|
| 9 | -CC/CV/CR/CP four modes, battery capacity, internal resistance test, overcurrent, comparison, dynamic test |
|
| 10 | - |
|
| 11 | -RS232/RS485 communication, enhanced host computer software, 220V/110V power supply switching, 5-digit display |
|
| 12 | - |
|
| 13 | -## Product Overview: |
|
| 14 | - |
|
| 15 | -KP182/4 series electronic loads can be widely used in LED lighting, power supplies, chargers, batteries, and other industries for product testing and aging. Its current mode can be used to simulate a resistive load to discharge batteries and load power supplies; its voltage mode can be used to simulate a capacitive load for chargers and can simulate the constant voltage characteristics of LEDs to load LED drive power supplies. It is simple to use, easy to adjust, has perfect protection functions, and its performance and functions are incomparable to traditional slide-wire resistors. Used in related industries, it can greatly improve production efficiency and reduce costs. |
|
| 16 | - |
|
| 17 | -## Special functions and advantages of KP182/4 series products: |
|
| 18 | - |
|
| 19 | -- ● Four basic load modes: CC, CV, CW, CR; |
|
| 20 | -- ● Input positive and negative reverse connection protection and alarm; |
|
| 21 | -- ● Optimized heat dissipation structure to achieve high power density; |
|
| 22 | -- ● Digital control method, high precision and good stability; |
|
| 23 | -- ● Equipped with over-voltage, over-current, over-power, over-temperature protection; |
|
| 24 | -- ● Remote voltage measurement function; |
|
| 25 | -- ● Automatic test function, with external I/O trigger signal, PASS, FAIL indicator signal (KP184 only); |
|
| 26 | -- ● 10KHz dynamic test function; |
|
| 27 | -- ● Battery capacity test function; |
|
| 28 | -- ● Battery internal resistance test function; |
|
| 29 | -- ● Overcurrent protection point/protection time test function; |
|
| 30 | -- ● Fan PWM temperature control; |
|
| 31 | -- ● Power supply 110VAC/220VAC switchable use (KP184 only); |
|
| 32 | -- ● RS485, 232 communication interface, MODBUS protocol (KP184 only); |
|
| 33 | -- ● Multi-load online synchronous operation function (KP184 only); |
|
| 34 | -- ● Powerful and user-friendly host computer software support (KP184 only); |
|
| 35 | - |
|
| 36 | - |
|
| 37 | - |
|
| 38 | - |
|
| 39 | - |
|
| 40 | - |
|
| 41 | - |
|
| 42 | -## ref |
|
| 43 | - |
|
| 44 | -- [[KP182]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/electronic-loader-dat/electronic-loader-dat.md
| ... | ... | @@ -1,80 +0,0 @@ |
| 1 | -
|
|
| 2 | -# electronic-loader-dat
|
|
| 3 | -
|
|
| 4 | -- [[KP182-dat]] - [[IT8511A-dat]]
|
|
| 5 | -
|
|
| 6 | -- [[battery-tools-dat]] - [[internal-resistance-meter-dat]] - [[electronic-loader-dat]] - [[lab-power-dat]]
|
|
| 7 | -
|
|
| 8 | -
|
|
| 9 | -
|
|
| 10 | -
|
|
| 11 | -## mode: CC, CV, CW, CR
|
|
| 12 | -
|
|
| 13 | -
|
|
| 14 | -
|
|
| 15 | -
|
|
| 16 | -## How to Test a 18650 Battery Capacity Using an Electronic Load
|
|
| 17 | -
|
|
| 18 | -### ✅ What You Need:
|
|
| 19 | -- Electronic Load (DC electronic load, programmable preferred)
|
|
| 20 | -- Fully charged 18650 battery
|
|
| 21 | -- Battery holder or safe terminal connectors
|
|
| 22 | -- Multimeter (optional, for voltage verification)
|
|
| 23 | -- Logging software or notebook (if needed)
|
|
| 24 | -
|
|
| 25 | ----
|
|
| 26 | -
|
|
| 27 | -### ⚡ Step-by-Step Instructions
|
|
| 28 | -
|
|
| 29 | -#### 1. Fully Charge the Battery
|
|
| 30 | -- Use a proper lithium-ion charger.
|
|
| 31 | -- Ensure the voltage reaches **4.2V** before testing.
|
|
| 32 | -
|
|
| 33 | -#### 2. Connect the Battery
|
|
| 34 | -- Insert the battery into a **18650 holder**.
|
|
| 35 | -- Connect **positive (+)** to the load's positive terminal.
|
|
| 36 | -- Connect **negative (−)** to the load's negative terminal.
|
|
| 37 | -- Double-check for correct polarity.
|
|
| 38 | -
|
|
| 39 | -#### 3. Configure the Electronic Load
|
|
| 40 | -- **Mode**: Constant Current (CC)
|
|
| 41 | -- **Discharge Current**: e.g., **1.0 A**
|
|
| 42 | -- **Cut-off Voltage**: e.g., **3.0 V** (to protect the cell)
|
|
| 43 | -
|
|
| 44 | -> ⚠️ Don't go below 2.5V to avoid damaging the battery.
|
|
| 45 | -
|
|
| 46 | -#### 4. Start the Discharge Test
|
|
| 47 | -- Turn on the load.
|
|
| 48 | -- The battery will begin discharging at the set current.
|
|
| 49 | -- The load will stop automatically at the cut-off voltage.
|
|
| 50 | -
|
|
| 51 | -#### 5. Read the Results
|
|
| 52 | -- Check the screen of the electronic load.
|
|
| 53 | -- Look for:
|
|
| 54 | - - **Capacity (mAh)**
|
|
| 55 | - - **Energy (Wh)**
|
|
| 56 | - - **Total time**
|
|
| 57 | -
|
|
| 58 | -> Example output:
|
|
| 59 | -> `Capacity: 2600 mAh`
|
|
| 60 | -> `Energy: 9.5 Wh`
|
|
| 61 | -
|
|
| 62 | ----
|
|
| 63 | -
|
|
| 64 | -### 📌 Notes & Tips
|
|
| 65 | -
|
|
| 66 | -Test at room temperature (around 25°C) for accuracy.
|
|
| 67 | -
|
|
| 68 | -If the load doesn’t show capacity:
|
|
| 69 | -
|
|
| 70 | - Capacity (mAh) = Current (A) × Time (h) × 1000
|
|
| 71 | -
|
|
| 72 | - 0.5A for 1 hour == 0.5 x 1A = 500mAh
|
|
| 73 | -
|
|
| 74 | - 0.5A for 1.2 hour = 600 mAh
|
|
| 75 | -
|
|
| 76 | -
|
|
| 77 | -
|
|
| 78 | -## ref
|
|
| 79 | -
|
|
| 80 | -- [[electronic-loader]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/fab-Tools-dat.md
| ... | ... | @@ -1,71 +0,0 @@ |
| 1 | -
|
|
| 2 | -# fab-tools-dat
|
|
| 3 | -
|
|
| 4 | -
|
|
| 5 | -- [[fab-tools-dat]] - [[fab-workspace-dat]] - [[fab-PCB-soldering-tools-dat]]
|
|
| 6 | -
|
|
| 7 | -- [[fab-workspace-dat]] - [[multimeter-dat]] - [[SMD-tester-dat]]
|
|
| 8 | -
|
|
| 9 | -- [[instrument-dat]] - [[oscilloscope-dat]] - [[multimeter-dat]] - [[tools-dat]] - [[fab-workspace-dat]]
|
|
| 10 | -
|
|
| 11 | -- [[oscilloscope-dat]]
|
|
| 12 | -
|
|
| 13 | -- [[PCB-tools-dat]]
|
|
| 14 | -
|
|
| 15 | -- [[soldering-tools-dat]]
|
|
| 16 | -
|
|
| 17 | -- [[lab-power-dat]]
|
|
| 18 | -
|
|
| 19 | -- [[meter-current-dat]] - [[meter-voltage-dat]] - [[meter-inductor-dat]] - [[internal-resistance-meter-dat]] - [[meter-power-dat]]
|
|
| 20 | -
|
|
| 21 | -
|
|
| 22 | -- [[multimeter-dat]] - [[oscilloscope-dat]] - [[signal-generator-dat]]
|
|
| 23 | -
|
|
| 24 | -- [[electronic-loader-dat]] - [[battery-tester-dat]] - [[KP182-dat]]
|
|
| 25 | -
|
|
| 26 | -- [[logic-analyzer-dat]]
|
|
| 27 | -
|
|
| 28 | -- [[prototyping-tools-dat]]
|
|
| 29 | -
|
|
| 30 | -- [[fab-PCB-soldering-dat]] - [[fab-PCB-soldering-tools-dat]] - [[soldering-tools-spot-welding-dat]]
|
|
| 31 | -
|
|
| 32 | -## stock
|
|
| 33 | -
|
|
| 34 | -- [[parts-stock-dat]]
|
|
| 35 | -
|
|
| 36 | -## tools brand
|
|
| 37 | -
|
|
| 38 | -- [[Fluke-dat]] - [[UNI-T-dat]] - [[alientek-dat]]
|
|
| 39 | -
|
|
| 40 | -
|
|
| 41 | -
|
|
| 42 | -
|
|
| 43 | -
|
|
| 44 | -
|
|
| 45 | -
|
|
| 46 | -
|
|
| 47 | -## unsort
|
|
| 48 | -
|
|
| 49 | -- [[logic-analyzer-handheld-dat]] - [[logic-analyzer-bench-dat]]
|
|
| 50 | -
|
|
| 51 | -- [[function-generator-dat]] - [[spectrum-analyzer-dat]]
|
|
| 52 | -
|
|
| 53 | -- [[digital-oscilloscope-dat]] - [[analog-oscilloscope-dat]]
|
|
| 54 | -
|
|
| 55 | -- [[digital-multimeter-dat]] - [[analog-multimeter-dat]]
|
|
| 56 | -
|
|
| 57 | -- [[power-supply-dat]] - [[linear-power-supply-dat]] - [[switching-power-supply-dat]]
|
|
| 58 | -- [[power-analyzer-dat]] - [[power-meter-dat]]
|
|
| 59 | -- [[spectrum-analyzer-dat]] - [[network-analyzer-dat]]
|
|
| 60 | -- [[LCR-meter-dat]] - [[LCR-meter-handheld-dat]] - [[LCR-meter-bench-dat]]
|
|
| 61 | -- [[frequency-counter-dat]] - [[frequency-counter-handheld-dat]] - [[frequency-counter-bench-dat]]
|
|
| 62 | -
|
|
| 63 | -- [[RF-power-meter-dat]] - [[RF-power-meter-handheld-dat]] - [[RF-power-meter-bench-dat]]
|
|
| 64 | -- [[RF-signal-generator-dat]] - [[RF-signal-generator-handheld-dat]] - [[RF-signal-generator-bench-dat]]
|
|
| 65 | -- [[RF-spectrum-analyzer-dat]] - [[RF-spectrum-analyzer-handheld-dat]] - [[RF-spectrum-analyzer-bench-dat]]
|
|
| 66 | -- [[RF-network-analyzer-dat]] - [[RF-network-analyzer-handheld-dat]] - [[RF-network-analyzer-bench-dat]]
|
|
| 67 | -- [[RF-power-supply-dat]] - [[RF-power-supply-handheld-dat]] - [[RF-power-supply-bench-dat]]
|
|
| 68 | -
|
|
| 69 | -## ref
|
|
| 70 | -
|
|
| 71 | -- [[dev-info]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/internal-resistance-meter-dat/2025-08-19-23-51-26.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/internal-resistance-meter-dat/2025-08-19-23-51-26.png and /dev/null differ |
fab-dat/fab-Tools-dat/internal-resistance-meter-dat/2025-08-24-16-31-21.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/internal-resistance-meter-dat/2025-08-24-16-31-21.png and /dev/null differ |
fab-dat/fab-Tools-dat/internal-resistance-meter-dat/2025-08-24-16-31-32.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/internal-resistance-meter-dat/2025-08-24-16-31-32.png and /dev/null differ |
fab-dat/fab-Tools-dat/internal-resistance-meter-dat/internal-resistance-meter-dat.md
| ... | ... | @@ -1,60 +0,0 @@ |
| 1 | -# internal-resistance-meter-dat
|
|
| 2 | -
|
|
| 3 | -- [[battery-tools-dat]] - [[internal-resistance-dat]] - [[resistor-dat]]
|
|
| 4 | -
|
|
| 5 | -
|
|
| 6 | -## Hioki Resistance Tester (Digital Low Resistance Tester / Micro-ohmmeter)
|
|
| 7 | -
|
|
| 8 | -A professional instrument for precise measurement of low or high-precision resistance in electrical equipment.
|
|
| 9 | -
|
|
| 10 | -**Features (sorted):**
|
|
| 11 | -- High precision: Measures resistance from milliohms to megaohms with minimal error
|
|
| 12 | -- Low resistance measurement: Accurate measurement of low resistance values (mΩ level) in motor windings, cables, contactors, and busbars
|
|
| 13 | -- Portability & recording: Some models are handheld, with data storage and interface for exporting measurement records
|
|
| 14 | -- Safety: Designed for live equipment or industrial environments; some models feature 4-wire (Kelvin) measurement
|
|
| 15 | -
|
|
| 16 | -**Applications (sorted):**
|
|
| 17 | -- Contact resistance measurement in low-voltage distribution equipment
|
|
| 18 | -- Maintenance and inspection of industrial electrical equipment
|
|
| 19 | -- Motor winding testing
|
|
| 20 | -- Transformer wiring inspection
|
|
| 21 | -
|
|
| 22 | -**English Names:**
|
|
| 23 | -- Digital Low Resistance Tester / Micro-ohmmeter
|
|
| 24 | -- Hioki Resistance Tester
|
|
| 25 | -
|
|
| 26 | -
|
|
| 27 | -
|
|
| 28 | -## version plus with multimeter
|
|
| 29 | -
|
|
| 30 | -- [[multimeter-dat]]
|
|
| 31 | -
|
|
| 32 | -UT70Acapa
|
|
| 33 | -
|
|
| 34 | -
|
|
| 35 | -
|
|
| 36 | -
|
|
| 37 | -## TS457
|
|
| 38 | -
|
|
| 39 | -## ED1035
|
|
| 40 | -
|
|
| 41 | -testing - [[18650-dat]]
|
|
| 42 | -
|
|
| 43 | -80m ohm is really bad
|
|
| 44 | -
|
|
| 45 | -
|
|
| 46 | -
|
|
| 47 | -25m ohm is not bad
|
|
| 48 | -
|
|
| 49 | -
|
|
| 50 | -
|
|
| 51 | -
|
|
| 52 | -
|
|
| 53 | -
|
|
| 54 | -## ref
|
|
| 55 | -
|
|
| 56 | -- [[battery-pack-dat]]
|
|
| 57 | -
|
|
| 58 | -- [[internal-resistance-meter]]
|
|
| 59 | -
|
|
| 60 | -- [[tools]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/lab-power-dat/lab-power-dat.md
| ... | ... | @@ -1,8 +0,0 @@ |
| 1 | - |
|
| 2 | -# lab-power-dat |
|
| 3 | - |
|
| 4 | -0~5 A |
|
| 5 | - |
|
| 6 | -## ref |
|
| 7 | - |
|
| 8 | -- [[lab-power]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/logic-analyzer-dat/logic-analyzer-dat.md
| ... | ... | @@ -1,18 +0,0 @@ |
| 1 | - |
|
| 2 | -# logic-analyzer-dat |
|
| 3 | - |
|
| 4 | -You typically cannot connect a logic analyzer to raw RF data because: |
|
| 5 | - |
|
| 6 | -- It’s analog high-frequency RF, not logic-level digital signals |
|
| 7 | -- Logic analyzers work at MHz range, not GHz |
|
| 8 | -- The data from the antenna to the chip is demodulated inside the chip, not accessible externally |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -## DSLogic Plus |
|
| 14 | - |
|
| 15 | -- [[bq27541-dat]] |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
fab-dat/fab-Tools-dat/meter-current-dat/meter-current-dat.md
| ... | ... | @@ -1,22 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# meter-current-dat.md |
|
| 4 | - |
|
| 5 | -== ammeter == ampere meter == current meter |
|
| 6 | - |
|
| 7 | -- [[sensor-voltage-dat]] - [[meter-voltage-dat]] - [[SVC1049-dat]] - [[SVC1017-dat]] |
|
| 8 | - |
|
| 9 | -- [[sensor-current-dat]] - [[meter-current-dat]] - [[SVC1022-dat]] - [[SVC1023-dat]] |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -## board |
|
| 13 | - |
|
| 14 | -- [[meter-voltage-dat]] - [[SVC1019-dat]] - [[SVC1049-dat]] - [[SVC1017-dat]] - [[SVC1015-dat]] |
|
| 15 | - |
|
| 16 | -- [[meter-current-dat]] - [[SVC1022-dat]] - [[SVC1023-dat]] - [[SVC1024-dat]] |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | -## ref |
|
| 21 | - |
|
| 22 | -- [[meter-current-dat]] - [[meter-voltage-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/meter-resistance-dat/2026-03-05-14-15-18.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/meter-resistance-dat/2026-03-05-14-15-18.png and /dev/null differ |
fab-dat/fab-Tools-dat/meter-resistance-dat/meter-resistance-dat.md
| ... | ... | @@ -1,16 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | - |
|
| 4 | -# meter-resistance-dat |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -## SCH |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -## ref |
|
| 16 | - |
fab-dat/fab-Tools-dat/meter-voltage-dat/2025-10-02-11-27-33.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/meter-voltage-dat/2025-10-02-11-27-33.png and /dev/null differ |
fab-dat/fab-Tools-dat/meter-voltage-dat/2025-10-08-16-59-10.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/meter-voltage-dat/2025-10-08-16-59-10.png and /dev/null differ |
fab-dat/fab-Tools-dat/meter-voltage-dat/2026-03-05-02-12-04.png
| ... | ... | Binary files a/fab-dat/fab-Tools-dat/meter-voltage-dat/2026-03-05-02-12-04.png and /dev/null differ |
fab-dat/fab-Tools-dat/meter-voltage-dat/meter-voltage-dat.md
| ... | ... | @@ -1,41 +0,0 @@ |
| 1 | - |
|
| 2 | -# meter-voltage-dat.md |
|
| 3 | - |
|
| 4 | -- [[fab-tools-dat]] |
|
| 5 | - |
|
| 6 | -- [[sensor-voltage-dat]] - [[meter-voltage-dat]] - [[SVC1049-dat]] - [[SVC1017-dat]] |
|
| 7 | - |
|
| 8 | -- [[sensor-current-dat]] - [[meter-current-dat]] - [[SVC1022-dat]] - [[SVC1023-dat]] |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -## board and apps |
|
| 13 | - |
|
| 14 | -- [[meter-voltage-dat]] - [[SVC1019-dat]] - [[SVC1049-dat]] - [[SVC1017-dat]] - [[SVC1015-dat]] |
|
| 15 | - |
|
| 16 | -- [[meter-current-dat]] - [[SVC1022-dat]] - [[SVC1023-dat]] - [[SVC1024-dat]] |
|
| 17 | - |
|
| 18 | -- [[meter-resistance-dat]] - [[multimeter-dat]] |
|
| 19 | - |
|
| 20 | -## wiring |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | -## high voltage meter |
|
| 26 | - |
|
| 27 | -- [[high-voltage-dat]] |
|
| 28 | - |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | - |
|
| 33 | -## simple voltage meter |
|
| 34 | - |
|
| 35 | - |
|
| 36 | - |
|
| 37 | - |
|
| 38 | - |
|
| 39 | -## ref |
|
| 40 | - |
|
| 41 | -- [[meter-current-dat]] - [[meter-voltage-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/multimeter-dat/multimeter-dat.md
| ... | ... | @@ -1,73 +0,0 @@ |
| 1 | - |
|
| 2 | -# multimeter-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -DMM == A Digital Multimeter (DMM) is an essential, handheld or benchtop electronic tool used to measure electrical values like voltage, current, and resistance with high accuracy. |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## good list |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -- [[fluke-dat]] - [[Agilent-dat]] Agilent (安捷伦) |
|
| 13 | - |
|
| 14 | -- [[Klein-tools-dat]] - [[Extech-dat]] - [[Amprobe-dat]] |
|
| 15 | - |
|
| 16 | -- [[UNI-Trend-dat]] - [[mastech-dat]] |
|
| 17 | - |
|
| 18 | -- [[victor-dat]] |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | -## prerequisite |
|
| 23 | - |
|
| 24 | -- make sure the testing probe is GOOD, otherwise the measurement will be wrong. |
|
| 25 | - |
|
| 26 | - |
|
| 27 | -## bad list |
|
| 28 | - |
|
| 29 | -| | Model | Type/Style | mark | Issue/Note | |
|
| 30 | -| ---------------- | ------------ | -------------------- | ---- | ------------- | |
|
| 31 | -| [[UT-trend-dat]] | UT116C | SMD tester | bad | slow response | |
|
| 32 | -| | winAPEX 118A | Pen-style multimeter | bad | slow response | |
|
| 33 | -| [[UT-trend-dat]] | UT89XD | General multimeter | ?? | ?? | |
|
| 34 | -| [[victor-dat]] | VC9808+ | General multimeter | | | |
|
| 35 | -| [[victor-dat]] | VC830L | General multimeter | | | |
|
| 36 | -| [[victor-dat]] | VC921 | General multimeter | bad | slow respone | |
|
| 37 | - |
|
| 38 | -[[UT-trend-dat]] - UT70B/UT70A/UT70C/UT70D |
|
| 39 | - |
|
| 40 | -- [x] [[inductor-dat]] |
|
| 41 | - |
|
| 42 | - |
|
| 43 | - |
|
| 44 | - |
|
| 45 | - |
|
| 46 | - |
|
| 47 | -## function check list |
|
| 48 | - |
|
| 49 | -- [[inductor-dat]] |
|
| 50 | - |
|
| 51 | - |
|
| 52 | - |
|
| 53 | - |
|
| 54 | -## DM3058/E Series |
|
| 55 | - |
|
| 56 | -DM3058 / DM3058E is an economical 5.5-digit digital multimeter. It is designed for the test requirements of high accuracy, multi-function and automatic measurement. It integrates the functions of automatic measurement, multiple mathematical transformations and any sensor measurement. It provides USB, GPIB (DM3058 only), LAN (DM3058 only) and RS232 interfaces. |
|
| 57 | - |
|
| 58 | -https://eu.rigol.com/eu/products/DM_Detail/DM3058 |
|
| 59 | - |
|
| 60 | - |
|
| 61 | -## design |
|
| 62 | - |
|
| 63 | -- [[voltage-reference-dat]] - [[TI-voltage-reference-dat]] - [[TI-dat]] |
|
| 64 | - |
|
| 65 | -- [[sensor-dc-voltage-dat]] - [[sensor-dc-current-dat]] - [[multimeter-dat]] |
|
| 66 | - |
|
| 67 | -- [[meter-resistance-dat]] |
|
| 68 | - |
|
| 69 | -## ref |
|
| 70 | - |
|
| 71 | -- 优利德旗下品牌 - 米尼帕ET-2652数字万用表 |
|
| 72 | - |
|
| 73 | -- [[instrument-dat]] - [[fab-tools-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/parts-stock-dat/parts-stock-dat.md
| ... | ... | @@ -1,17 +0,0 @@ |
| 1 | - |
|
| 2 | -# parts-stock-dat |
|
| 3 | - |
|
| 4 | -- [[PENS014-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -ESD bags |
|
| 8 | - |
|
| 9 | -- 12x15cm bit small |
|
| 10 | -- 16x19cm big |
|
| 11 | -- 16x25cm big |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -## ref |
|
| 16 | - |
|
| 17 | -- [[tools-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/prototyping-tools-dat/prototyping-tools-dat.md
| ... | ... | @@ -1,4 +0,0 @@ |
| 1 | - |
|
| 2 | -# prototyping-tools-dat |
|
| 3 | - |
|
| 4 | -- [[terminal-clamping-dat]] - [[cable-tools-dat]] - [[cable-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-Tools-dat/prototyping-tools-dat/terminal-clamping-dat/terminal-clamping-dat.md
| ... | ... | @@ -1,16 +0,0 @@ |
| 1 | -
|
|
| 2 | -# terminal-clamping-dat
|
|
| 3 | -
|
|
| 4 | -
|
|
| 5 | -- [[terminal-clamping-dat]] - [[PTOS031-DAT]] - [[PTOS032-DAT]] - [[PTOS033-DAT]]
|
|
| 6 | -
|
|
| 7 | -6.3/4.8/2.8
|
|
| 8 | -
|
|
| 9 | -SN-58B
|
|
| 10 | -
|
|
| 11 | -- [[fab-tools-dat]]
|
|
| 12 | -
|
|
| 13 | -## ref
|
|
| 14 | -
|
|
| 15 | -
|
|
| 16 | -- [[terminal-clamping]] - [[fab-tools]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-dat.md
| ... | ... | @@ -40,4 +40,4 @@ |
| 40 | 40 | |
| 41 | 41 | ## ref |
| 42 | 42 | |
| 43 | -- [[mechanics-dat]] |
|
| ... | ... | \ No newline at end of file |
| 0 | +- [[fab-mechanics-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/Coulomb-Meter-dat/Coulomb-Meter-dat.md
| ... | ... | @@ -0,0 +1,62 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# Coulomb-Meter-dat |
|
| 4 | + |
|
| 5 | +- [[fab-tools-dat]] - [[Coulomb-Meter-dat]] - [[battery-tools-dat]] |
|
| 6 | + |
|
| 7 | +A **Coulombmeter** (also spelled **Coulomb Meter** or called a **Coulomb Counter**), in the context of battery electronics, is a high-precision instrument or integrated circuit used to measure **electrical charge**. |
|
| 8 | + |
|
| 9 | +In everyday applications, it functions as a highly accurate "fuel gauge" for lithium-ion battery management systems (BMS) [[BMS-dat]] found in smartphones, laptops, drones, portable power stations, and electric vehicles (like scooters and rovers). It calculates exactly how much capacity is left in terms of percentage (%) and remaining runtime. |
|
| 10 | + |
|
| 11 | +--- |
|
| 12 | + |
|
| 13 | +## 1. Core Operating Principle: The "Water Tank" Analogy |
|
| 14 | + |
|
| 15 | +Early battery-monitoring methods estimated battery capacity solely by measuring **cell voltage**. However, lithium-ion batteries have a very flat discharge curve—their voltage drops very little throughout most of their cycle, then plunges rapidly at the very end. This leads to inaccurate readings (e.g., a phone staying at 50% for hours, then suddenly dropping to 10% in minutes). |
|
| 16 | + |
|
| 17 | +A coulombmeter solves this by tracking the actual inflow and outflow of current over time, similar to a precise flow meter installed on a water pipe: |
|
| 18 | +* **During Charging:** It counts every milliampere of current flowing *into* the battery and multiplies it by time, calculating the added charge. |
|
| 19 | +* **During Discharging:** It counts every milliampere flowing *out* of the battery and subtracts it from the total. |
|
| 20 | + |
|
| 21 | +Technically, it measures the voltage drop across an ultra-low-resistance inline component called a **Shunt Resistor** (Current Sense Resistor). By sampling this current ($I$) continuously, it computes the total charge ($Q$) using mathematical integration over time ($t$): |
|
| 22 | + |
|
| 23 | +$$Q = \int I \, dt$$ |
|
| 24 | + |
|
| 25 | +The final calculated output is expressed in standard battery units: **mAh (milliampere-hours)** or **Ah (ampere-hours)**. |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | +--- |
|
| 30 | + |
|
| 31 | +## 2. Coulomb Counting vs. Traditional Voltage Estimation |
|
| 32 | + |
|
| 33 | +| Feature | Traditional Voltage Estimation | Coulomb Counter (Coulombmeter) | |
|
| 34 | +| :--- | :--- | :--- | |
|
| 35 | +| **Measurement Method** | Reads the instantaneous voltage across battery terminals. | Continuously logs net current entering/leaving the cell over time. | |
|
| 36 | +| **Accuracy** | **Low**. Heavily skewed by sudden loads, ambient temperature, and aging. | **Very High**. Accurately tracks minute changes in real-time power consumption. | |
|
| 37 | +| **Drop-off Phenomenon** | Prone to sudden percentage jumps or drops under heavy loads. | Delivers smooth, linear, and predictable percentage tracking. | |
|
| 38 | +| **Hardware Cost** | Zero extra cost (uses the microcontroller's internal ADC). | Higher cost (requires a dedicated chip and a precision shunt resistor). | |
|
| 39 | + |
|
| 40 | +--- |
|
| 41 | + |
|
| 42 | +## 3. The Cumulative Error Challenge: Learning Cycles |
|
| 43 | + |
|
| 44 | +While highly accurate, coulombmeters suffer from a physical limitation known as **drift** or accumulated error. Because sensing resistors and ADC clocks have minor tolerances, keeping a battery perpetually between 30% and 80% without a full reset causes these tiny mathematical errors to compound over weeks, leading to drifted readings. |
|
| 45 | + |
|
| 46 | +To maintain accuracy, the system relies on a process called a **Learning Cycle**: |
|
| 47 | +> 💡 When the battery is charged to its absolute maximum limit (detected when charging current drops to a minimum threshold) or drained to its absolute safe cut-off voltage, the system automatically recalibrates and resets its baseline data to "100%" or "0%". This completely clears out any accumulated mathematical drift. This is why new electronic devices or DIY battery projects often require a full charge/discharge cycle upon initial setup to calibrate the fuel gauge. |
|
| 48 | + |
|
| 49 | +--- |
|
| 50 | + |
|
| 51 | +## 4. Common Application Scenarios |
|
| 52 | + |
|
| 53 | +1. **Consumer Electronics:** Mobile devices, smartwatches, and laptops rely on dedicated gas-gauge ICs (e.g., Texas Instruments `BQ27421`). - [[BQ27421-dat]] |
|
| 54 | +2. **Portable Power Stations & Solar Storage:** Large-capacity lithium packs utilize external shunt-based coulombmeters to display exact remaining amp-hours or watts. |
|
| 55 | +3. **Robotics & DIY Projects (e.g., ESP32/Rover Smart Power Management):** Hardware developers add micro-chips like the `MAX17043` or integrated power modules to monitor exact power draw, prevent hazardous over-discharge conditions, and execute automated low-battery return-to-home functions. - [[MAX17043-dat]] |
|
| 56 | +4. |
|
| 57 | + |
|
| 58 | + |
|
| 59 | + |
|
| 60 | +## ref |
|
| 61 | + |
|
| 62 | + |
fab-dat/fab-electronic-Tools-dat/SMD-tester-dat/SMD-tester-dat.md
| ... | ... | @@ -0,0 +1,14 @@ |
| 1 | + |
|
| 2 | +# SMD-tester-dat |
|
| 3 | + |
|
| 4 | +## good list |
|
| 5 | + |
|
| 6 | +| Model | Type/Style | Issue/Note | |
|
| 7 | +| --------------- | ---------------- | ------------------------------ | |
|
| 8 | +| LIYIGAO UA6013L | Capacitor tester | Good for capacitor measurement | |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +## ref |
|
| 13 | + |
|
| 14 | +- [[tools-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/2025-05-30-18-30-59.png
| ... | ... | Binary files /dev/null and b/fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/2025-05-30-18-30-59.png differ |
fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/IT8511A-dat/IT8511A-dat.md
| ... | ... | @@ -0,0 +1,3 @@ |
| 1 | + |
|
| 2 | +# IT8511A-dat |
|
| 3 | + |
fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-21-41.png
| ... | ... | Binary files /dev/null and b/fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-21-41.png differ |
fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-22-09.png
| ... | ... | Binary files /dev/null and b/fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-22-09.png differ |
fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-24-06.png
| ... | ... | Binary files /dev/null and b/fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/KP182-dat/2025-05-30-18-24-06.png differ |
fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/KP182-dat/KP182-dat.md
| ... | ... | @@ -0,0 +1,44 @@ |
| 1 | +# KP182-dat |
|
| 2 | + |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +## KP182（200W/150V/20A） 不带通讯 |
|
| 6 | + |
|
| 7 | +CC/CV/CR/CP four modes, battery capacity, internal resistance test, overcurrent, comparison, dynamic test, 4-digit display |
|
| 8 | + |
|
| 9 | +CC/CV/CR/CP four modes, battery capacity, internal resistance test, overcurrent, comparison, dynamic test |
|
| 10 | + |
|
| 11 | +RS232/RS485 communication, enhanced host computer software, 220V/110V power supply switching, 5-digit display |
|
| 12 | + |
|
| 13 | +## Product Overview: |
|
| 14 | + |
|
| 15 | +KP182/4 series electronic loads can be widely used in LED lighting, power supplies, chargers, batteries, and other industries for product testing and aging. Its current mode can be used to simulate a resistive load to discharge batteries and load power supplies; its voltage mode can be used to simulate a capacitive load for chargers and can simulate the constant voltage characteristics of LEDs to load LED drive power supplies. It is simple to use, easy to adjust, has perfect protection functions, and its performance and functions are incomparable to traditional slide-wire resistors. Used in related industries, it can greatly improve production efficiency and reduce costs. |
|
| 16 | + |
|
| 17 | +## Special functions and advantages of KP182/4 series products: |
|
| 18 | + |
|
| 19 | +- ● Four basic load modes: CC, CV, CW, CR; |
|
| 20 | +- ● Input positive and negative reverse connection protection and alarm; |
|
| 21 | +- ● Optimized heat dissipation structure to achieve high power density; |
|
| 22 | +- ● Digital control method, high precision and good stability; |
|
| 23 | +- ● Equipped with over-voltage, over-current, over-power, over-temperature protection; |
|
| 24 | +- ● Remote voltage measurement function; |
|
| 25 | +- ● Automatic test function, with external I/O trigger signal, PASS, FAIL indicator signal (KP184 only); |
|
| 26 | +- ● 10KHz dynamic test function; |
|
| 27 | +- ● Battery capacity test function; |
|
| 28 | +- ● Battery internal resistance test function; |
|
| 29 | +- ● Overcurrent protection point/protection time test function; |
|
| 30 | +- ● Fan PWM temperature control; |
|
| 31 | +- ● Power supply 110VAC/220VAC switchable use (KP184 only); |
|
| 32 | +- ● RS485, 232 communication interface, MODBUS protocol (KP184 only); |
|
| 33 | +- ● Multi-load online synchronous operation function (KP184 only); |
|
| 34 | +- ● Powerful and user-friendly host computer software support (KP184 only); |
|
| 35 | + |
|
| 36 | + |
|
| 37 | + |
|
| 38 | + |
|
| 39 | + |
|
| 40 | + |
|
| 41 | + |
|
| 42 | +## ref |
|
| 43 | + |
|
| 44 | +- [[KP182]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/electronic-loader-dat/electronic-loader-dat.md
| ... | ... | @@ -0,0 +1,80 @@ |
| 1 | + |
|
| 2 | +# electronic-loader-dat |
|
| 3 | + |
|
| 4 | +- [[KP182-dat]] - [[IT8511A-dat]] |
|
| 5 | + |
|
| 6 | +- [[battery-tools-dat]] - [[internal-resistance-meter-dat]] - [[electronic-loader-dat]] - [[lab-power-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +## mode: CC, CV, CW, CR |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +## How to Test a 18650 Battery Capacity Using an Electronic Load |
|
| 17 | + |
|
| 18 | +### ✅ What You Need: |
|
| 19 | +- Electronic Load (DC electronic load, programmable preferred) |
|
| 20 | +- Fully charged 18650 battery |
|
| 21 | +- Battery holder or safe terminal connectors |
|
| 22 | +- Multimeter (optional, for voltage verification) |
|
| 23 | +- Logging software or notebook (if needed) |
|
| 24 | + |
|
| 25 | +--- |
|
| 26 | + |
|
| 27 | +### ⚡ Step-by-Step Instructions |
|
| 28 | + |
|
| 29 | +#### 1. Fully Charge the Battery |
|
| 30 | +- Use a proper lithium-ion charger. |
|
| 31 | +- Ensure the voltage reaches **4.2V** before testing. |
|
| 32 | + |
|
| 33 | +#### 2. Connect the Battery |
|
| 34 | +- Insert the battery into a **18650 holder**. |
|
| 35 | +- Connect **positive (+)** to the load's positive terminal. |
|
| 36 | +- Connect **negative (−)** to the load's negative terminal. |
|
| 37 | +- Double-check for correct polarity. |
|
| 38 | + |
|
| 39 | +#### 3. Configure the Electronic Load |
|
| 40 | +- **Mode**: Constant Current (CC) |
|
| 41 | +- **Discharge Current**: e.g., **1.0 A** |
|
| 42 | +- **Cut-off Voltage**: e.g., **3.0 V** (to protect the cell) |
|
| 43 | + |
|
| 44 | +> ⚠️ Don't go below 2.5V to avoid damaging the battery. |
|
| 45 | + |
|
| 46 | +#### 4. Start the Discharge Test |
|
| 47 | +- Turn on the load. |
|
| 48 | +- The battery will begin discharging at the set current. |
|
| 49 | +- The load will stop automatically at the cut-off voltage. |
|
| 50 | + |
|
| 51 | +#### 5. Read the Results |
|
| 52 | +- Check the screen of the electronic load. |
|
| 53 | +- Look for: |
|
| 54 | + - **Capacity (mAh)** |
|
| 55 | + - **Energy (Wh)** |
|
| 56 | + - **Total time** |
|
| 57 | + |
|
| 58 | +> Example output: |
|
| 59 | +> `Capacity: 2600 mAh` |
|
| 60 | +> `Energy: 9.5 Wh` |
|
| 61 | + |
|
| 62 | +--- |
|
| 63 | + |
|
| 64 | +### 📌 Notes & Tips |
|
| 65 | + |
|
| 66 | +Test at room temperature (around 25°C) for accuracy. |
|
| 67 | + |
|
| 68 | +If the load doesn’t show capacity: |
|
| 69 | + |
|
| 70 | + Capacity (mAh) = Current (A) × Time (h) × 1000 |
|
| 71 | + |
|
| 72 | + 0.5A for 1 hour == 0.5 x 1A = 500mAh |
|
| 73 | + |
|
| 74 | + 0.5A for 1.2 hour = 600 mAh |
|
| 75 | + |
|
| 76 | + |
|
| 77 | + |
|
| 78 | +## ref |
|
| 79 | + |
|
| 80 | +- [[electronic-loader]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/fab-electronic-Tools-dat.md
| ... | ... | @@ -0,0 +1,67 @@ |
| 1 | + |
|
| 2 | +# fab-electronic-Tools-dat |
|
| 3 | + |
|
| 4 | +- [[fab-electronic-Tools-dat]] - [[fab-mechanics-dat]] |
|
| 5 | + |
|
| 6 | +- [[fab-tools-dat]] - [[fab-workspace-dat]] - [[fab-PCB-soldering-tools-dat]] |
|
| 7 | + |
|
| 8 | +- [[fab-workspace-dat]] - [[multimeter-dat]] - [[SMD-tester-dat]] |
|
| 9 | + |
|
| 10 | +- [[instrument-dat]] - [[oscilloscope-dat]] - [[multimeter-dat]] - [[tools-dat]] - [[fab-workspace-dat]] |
|
| 11 | + |
|
| 12 | +- [[oscilloscope-dat]] |
|
| 13 | + |
|
| 14 | +- [[PCB-tools-dat]] |
|
| 15 | + |
|
| 16 | +- [[soldering-tools-dat]] |
|
| 17 | + |
|
| 18 | +- [[lab-power-dat]] |
|
| 19 | + |
|
| 20 | +- [[meter-current-dat]] - [[meter-voltage-dat]] - [[meter-inductor-dat]] - [[internal-resistance-meter-dat]] - [[meter-power-dat]] |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +- [[multimeter-dat]] - [[oscilloscope-dat]] - [[signal-generator-dat]] |
|
| 24 | + |
|
| 25 | +- [[electronic-loader-dat]] - [[battery-tester-dat]] - [[KP182-dat]] |
|
| 26 | + |
|
| 27 | +- [[logic-analyzer-dat]] |
|
| 28 | + |
|
| 29 | +- [[prototyping-tools-dat]] |
|
| 30 | + |
|
| 31 | +- [[fab-PCB-soldering-dat]] - [[fab-PCB-soldering-tools-dat]] - [[soldering-tools-spot-welding-dat]] |
|
| 32 | + |
|
| 33 | +## stock |
|
| 34 | + |
|
| 35 | +- [[parts-stock-dat]] |
|
| 36 | + |
|
| 37 | +## tools brand |
|
| 38 | + |
|
| 39 | +- [[Fluke-dat]] - [[UNI-T-dat]] - [[alientek-dat]] |
|
| 40 | + |
|
| 41 | + |
|
| 42 | + |
|
| 43 | +## unsort |
|
| 44 | + |
|
| 45 | +- [[logic-analyzer-handheld-dat]] - [[logic-analyzer-bench-dat]] |
|
| 46 | + |
|
| 47 | +- [[function-generator-dat]] - [[spectrum-analyzer-dat]] |
|
| 48 | + |
|
| 49 | +- [[digital-oscilloscope-dat]] - [[analog-oscilloscope-dat]] |
|
| 50 | + |
|
| 51 | +- [[digital-multimeter-dat]] - [[analog-multimeter-dat]] |
|
| 52 | + |
|
| 53 | +- [[power-supply-dat]] - [[linear-power-supply-dat]] - [[switching-power-supply-dat]] |
|
| 54 | +- [[power-analyzer-dat]] - [[power-meter-dat]] |
|
| 55 | +- [[spectrum-analyzer-dat]] - [[network-analyzer-dat]] |
|
| 56 | +- [[LCR-meter-dat]] - [[LCR-meter-handheld-dat]] - [[LCR-meter-bench-dat]] |
|
| 57 | +- [[frequency-counter-dat]] - [[frequency-counter-handheld-dat]] - [[frequency-counter-bench-dat]] |
|
| 58 | + |
|
| 59 | +- [[RF-power-meter-dat]] - [[RF-power-meter-handheld-dat]] - [[RF-power-meter-bench-dat]] |
|
| 60 | +- [[RF-signal-generator-dat]] - [[RF-signal-generator-handheld-dat]] - [[RF-signal-generator-bench-dat]] |
|
| 61 | +- [[RF-spectrum-analyzer-dat]] - [[RF-spectrum-analyzer-handheld-dat]] - [[RF-spectrum-analyzer-bench-dat]] |
|
| 62 | +- [[RF-network-analyzer-dat]] - [[RF-network-analyzer-handheld-dat]] - [[RF-network-analyzer-bench-dat]] |
|
| 63 | +- [[RF-power-supply-dat]] - [[RF-power-supply-handheld-dat]] - [[RF-power-supply-bench-dat]] |
|
| 64 | + |
|
| 65 | +## ref |
|
| 66 | + |
|
| 67 | +- [[dev-info]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/internal-resistance-meter-dat/2025-08-19-23-51-26.png
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fab-dat/fab-electronic-Tools-dat/internal-resistance-meter-dat/2025-08-24-16-31-32.png
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fab-dat/fab-electronic-Tools-dat/internal-resistance-meter-dat/internal-resistance-meter-dat.md
| ... | ... | @@ -0,0 +1,60 @@ |
| 1 | +# internal-resistance-meter-dat |
|
| 2 | + |
|
| 3 | +- [[battery-tools-dat]] - [[internal-resistance-dat]] - [[resistor-dat]] |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +## Hioki Resistance Tester (Digital Low Resistance Tester / Micro-ohmmeter) |
|
| 7 | + |
|
| 8 | +A professional instrument for precise measurement of low or high-precision resistance in electrical equipment. |
|
| 9 | + |
|
| 10 | +**Features (sorted):** |
|
| 11 | +- High precision: Measures resistance from milliohms to megaohms with minimal error |
|
| 12 | +- Low resistance measurement: Accurate measurement of low resistance values (mΩ level) in motor windings, cables, contactors, and busbars |
|
| 13 | +- Portability & recording: Some models are handheld, with data storage and interface for exporting measurement records |
|
| 14 | +- Safety: Designed for live equipment or industrial environments; some models feature 4-wire (Kelvin) measurement |
|
| 15 | + |
|
| 16 | +**Applications (sorted):** |
|
| 17 | +- Contact resistance measurement in low-voltage distribution equipment |
|
| 18 | +- Maintenance and inspection of industrial electrical equipment |
|
| 19 | +- Motor winding testing |
|
| 20 | +- Transformer wiring inspection |
|
| 21 | + |
|
| 22 | +**English Names:** |
|
| 23 | +- Digital Low Resistance Tester / Micro-ohmmeter |
|
| 24 | +- Hioki Resistance Tester |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | +## version plus with multimeter |
|
| 29 | + |
|
| 30 | +- [[multimeter-dat]] |
|
| 31 | + |
|
| 32 | +UT70Acapa |
|
| 33 | + |
|
| 34 | + |
|
| 35 | + |
|
| 36 | + |
|
| 37 | +## TS457 |
|
| 38 | + |
|
| 39 | +## ED1035 |
|
| 40 | + |
|
| 41 | +testing - [[18650-dat]] |
|
| 42 | + |
|
| 43 | +80m ohm is really bad |
|
| 44 | + |
|
| 45 | + |
|
| 46 | + |
|
| 47 | +25m ohm is not bad |
|
| 48 | + |
|
| 49 | + |
|
| 50 | + |
|
| 51 | + |
|
| 52 | + |
|
| 53 | + |
|
| 54 | +## ref |
|
| 55 | + |
|
| 56 | +- [[battery-pack-dat]] |
|
| 57 | + |
|
| 58 | +- [[internal-resistance-meter]] |
|
| 59 | + |
|
| 60 | +- [[tools]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/lab-power-dat/lab-power-dat.md
| ... | ... | @@ -0,0 +1,8 @@ |
| 1 | + |
|
| 2 | +# lab-power-dat |
|
| 3 | + |
|
| 4 | +0~5 A |
|
| 5 | + |
|
| 6 | +## ref |
|
| 7 | + |
|
| 8 | +- [[lab-power]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/logic-analyzer-dat/logic-analyzer-dat.md
| ... | ... | @@ -0,0 +1,18 @@ |
| 1 | + |
|
| 2 | +# logic-analyzer-dat |
|
| 3 | + |
|
| 4 | +You typically cannot connect a logic analyzer to raw RF data because: |
|
| 5 | + |
|
| 6 | +- It’s analog high-frequency RF, not logic-level digital signals |
|
| 7 | +- Logic analyzers work at MHz range, not GHz |
|
| 8 | +- The data from the antenna to the chip is demodulated inside the chip, not accessible externally |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +## DSLogic Plus |
|
| 14 | + |
|
| 15 | +- [[bq27541-dat]] |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
fab-dat/fab-electronic-Tools-dat/meter-current-dat/meter-current-dat.md
| ... | ... | @@ -0,0 +1,22 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# meter-current-dat.md |
|
| 4 | + |
|
| 5 | +== ammeter == ampere meter == current meter |
|
| 6 | + |
|
| 7 | +- [[sensor-voltage-dat]] - [[meter-voltage-dat]] - [[SVC1049-dat]] - [[SVC1017-dat]] |
|
| 8 | + |
|
| 9 | +- [[sensor-current-dat]] - [[meter-current-dat]] - [[SVC1022-dat]] - [[SVC1023-dat]] |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +## board |
|
| 13 | + |
|
| 14 | +- [[meter-voltage-dat]] - [[SVC1019-dat]] - [[SVC1049-dat]] - [[SVC1017-dat]] - [[SVC1015-dat]] |
|
| 15 | + |
|
| 16 | +- [[meter-current-dat]] - [[SVC1022-dat]] - [[SVC1023-dat]] - [[SVC1024-dat]] |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | +## ref |
|
| 21 | + |
|
| 22 | +- [[meter-current-dat]] - [[meter-voltage-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/meter-resistance-dat/2026-03-05-14-15-18.png
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fab-dat/fab-electronic-Tools-dat/meter-resistance-dat/meter-resistance-dat.md
| ... | ... | @@ -0,0 +1,16 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | + |
|
| 4 | +# meter-resistance-dat |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +## SCH |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +## ref |
|
| 16 | + |
fab-dat/fab-electronic-Tools-dat/meter-voltage-dat/2025-10-02-11-27-33.png
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fab-dat/fab-electronic-Tools-dat/meter-voltage-dat/2025-10-08-16-59-10.png
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fab-dat/fab-electronic-Tools-dat/meter-voltage-dat/2026-03-05-02-12-04.png
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fab-dat/fab-electronic-Tools-dat/meter-voltage-dat/meter-voltage-dat.md
| ... | ... | @@ -0,0 +1,41 @@ |
| 1 | + |
|
| 2 | +# meter-voltage-dat.md |
|
| 3 | + |
|
| 4 | +- [[fab-tools-dat]] |
|
| 5 | + |
|
| 6 | +- [[sensor-voltage-dat]] - [[meter-voltage-dat]] - [[SVC1049-dat]] - [[SVC1017-dat]] |
|
| 7 | + |
|
| 8 | +- [[sensor-current-dat]] - [[meter-current-dat]] - [[SVC1022-dat]] - [[SVC1023-dat]] |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +## board and apps |
|
| 13 | + |
|
| 14 | +- [[meter-voltage-dat]] - [[SVC1019-dat]] - [[SVC1049-dat]] - [[SVC1017-dat]] - [[SVC1015-dat]] |
|
| 15 | + |
|
| 16 | +- [[meter-current-dat]] - [[SVC1022-dat]] - [[SVC1023-dat]] - [[SVC1024-dat]] |
|
| 17 | + |
|
| 18 | +- [[meter-resistance-dat]] - [[multimeter-dat]] |
|
| 19 | + |
|
| 20 | +## wiring |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | +## high voltage meter |
|
| 26 | + |
|
| 27 | +- [[high-voltage-dat]] |
|
| 28 | + |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | + |
|
| 33 | +## simple voltage meter |
|
| 34 | + |
|
| 35 | + |
|
| 36 | + |
|
| 37 | + |
|
| 38 | + |
|
| 39 | +## ref |
|
| 40 | + |
|
| 41 | +- [[meter-current-dat]] - [[meter-voltage-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/multimeter-dat/multimeter-dat.md
| ... | ... | @@ -0,0 +1,73 @@ |
| 1 | + |
|
| 2 | +# multimeter-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +DMM == A Digital Multimeter (DMM) is an essential, handheld or benchtop electronic tool used to measure electrical values like voltage, current, and resistance with high accuracy. |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## good list |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +- [[fluke-dat]] - [[Agilent-dat]] Agilent (安捷伦) |
|
| 13 | + |
|
| 14 | +- [[Klein-tools-dat]] - [[Extech-dat]] - [[Amprobe-dat]] |
|
| 15 | + |
|
| 16 | +- [[UNI-Trend-dat]] - [[mastech-dat]] |
|
| 17 | + |
|
| 18 | +- [[victor-dat]] |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | +## prerequisite |
|
| 23 | + |
|
| 24 | +- make sure the testing probe is GOOD, otherwise the measurement will be wrong. |
|
| 25 | + |
|
| 26 | + |
|
| 27 | +## bad list |
|
| 28 | + |
|
| 29 | +| | Model | Type/Style | mark | Issue/Note | |
|
| 30 | +| ---------------- | ------------ | -------------------- | ---- | ------------- | |
|
| 31 | +| [[UT-trend-dat]] | UT116C | SMD tester | bad | slow response | |
|
| 32 | +| | winAPEX 118A | Pen-style multimeter | bad | slow response | |
|
| 33 | +| [[UT-trend-dat]] | UT89XD | General multimeter | ?? | ?? | |
|
| 34 | +| [[victor-dat]] | VC9808+ | General multimeter | | | |
|
| 35 | +| [[victor-dat]] | VC830L | General multimeter | | | |
|
| 36 | +| [[victor-dat]] | VC921 | General multimeter | bad | slow respone | |
|
| 37 | + |
|
| 38 | +[[UT-trend-dat]] - UT70B/UT70A/UT70C/UT70D |
|
| 39 | + |
|
| 40 | +- [x] [[inductor-dat]] |
|
| 41 | + |
|
| 42 | + |
|
| 43 | + |
|
| 44 | + |
|
| 45 | + |
|
| 46 | + |
|
| 47 | +## function check list |
|
| 48 | + |
|
| 49 | +- [[inductor-dat]] |
|
| 50 | + |
|
| 51 | + |
|
| 52 | + |
|
| 53 | + |
|
| 54 | +## DM3058/E Series |
|
| 55 | + |
|
| 56 | +DM3058 / DM3058E is an economical 5.5-digit digital multimeter. It is designed for the test requirements of high accuracy, multi-function and automatic measurement. It integrates the functions of automatic measurement, multiple mathematical transformations and any sensor measurement. It provides USB, GPIB (DM3058 only), LAN (DM3058 only) and RS232 interfaces. |
|
| 57 | + |
|
| 58 | +https://eu.rigol.com/eu/products/DM_Detail/DM3058 |
|
| 59 | + |
|
| 60 | + |
|
| 61 | +## design |
|
| 62 | + |
|
| 63 | +- [[voltage-reference-dat]] - [[TI-voltage-reference-dat]] - [[TI-dat]] |
|
| 64 | + |
|
| 65 | +- [[sensor-dc-voltage-dat]] - [[sensor-dc-current-dat]] - [[multimeter-dat]] |
|
| 66 | + |
|
| 67 | +- [[meter-resistance-dat]] |
|
| 68 | + |
|
| 69 | +## ref |
|
| 70 | + |
|
| 71 | +- 优利德旗下品牌 - 米尼帕ET-2652数字万用表 |
|
| 72 | + |
|
| 73 | +- [[instrument-dat]] - [[fab-tools-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/parts-stock-dat/parts-stock-dat.md
| ... | ... | @@ -0,0 +1,17 @@ |
| 1 | + |
|
| 2 | +# parts-stock-dat |
|
| 3 | + |
|
| 4 | +- [[PENS014-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +ESD bags |
|
| 8 | + |
|
| 9 | +- 12x15cm bit small |
|
| 10 | +- 16x19cm big |
|
| 11 | +- 16x25cm big |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +## ref |
|
| 16 | + |
|
| 17 | +- [[tools-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/prototyping-tools-dat/prototyping-tools-dat.md
| ... | ... | @@ -0,0 +1,4 @@ |
| 1 | + |
|
| 2 | +# prototyping-tools-dat |
|
| 3 | + |
|
| 4 | +- [[terminal-clamping-dat]] - [[cable-tools-dat]] - [[cable-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-electronic-Tools-dat/prototyping-tools-dat/terminal-clamping-dat/terminal-clamping-dat.md
| ... | ... | @@ -0,0 +1,16 @@ |
| 1 | + |
|
| 2 | +# terminal-clamping-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[terminal-clamping-dat]] - [[PTOS031-DAT]] - [[PTOS032-DAT]] - [[PTOS033-DAT]] |
|
| 6 | + |
|
| 7 | +6.3/4.8/2.8 |
|
| 8 | + |
|
| 9 | +SN-58B |
|
| 10 | + |
|
| 11 | +- [[fab-tools-dat]] |
|
| 12 | + |
|
| 13 | +## ref |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +- [[terminal-clamping]] - [[fab-tools]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-product-dat/fab-drill-dat/fab-drill-dat.md
| ... | ... | @@ -0,0 +1,11 @@ |
| 1 | + |
|
| 2 | +# fab-drill-dat.md |
|
| 3 | + |
|
| 4 | +- make the **master pattern** for drilling |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## ref |
|
| 10 | + |
|
| 11 | +- [[fab-drill]] - [[fab]] - [[fab-mech]] |
|
| ... | ... | \ No newline at end of file |
fab-dat/fab-product-dat/fab-drilling-dat/fab-drilling-dat.md
| ... | ... | @@ -1,11 +0,0 @@ |
| 1 | - |
|
| 2 | -# fab-drilling-dat.md |
|
| 3 | - |
|
| 4 | -- make the **master pattern** for drilling |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## ref |
|
| 10 | - |
|
| 11 | -- [[fab-drilling]] - [[fab]] - [[fab-mech]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/CAD-dat/3D-dat/3D-dat.md
| ... | ... | @@ -0,0 +1,53 @@ |
| 1 | + |
|
| 2 | +# 3D-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +## models |
|
| 9 | + |
|
| 10 | +- grabcad.com |
|
| 11 | + |
|
| 12 | +- [[RPI-SBC-dat]] - [[RPI3-dat]] == https://grabcad.com/library/tag/raspberry-pi-3 |
|
| 13 | +- https://cad.onshape.com/documents/325199368bc7c76de0bb2734/w/6df0a3011397e11d5e9c6aa7/e/0fbd5947347de8d82d3b190f |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +- [Raspberry Pi 4 Model B](https://grabcad.com/library/raspberry-pi-4-model-b-1) |
|
| 17 | +- https://cad.onshape.com/documents/54071b9bce3973a140c33fd2/w/cb3a52ded17cd4105d9416b1 |
|
| 18 | + |
|
| 19 | + |
|
| 20 | +- raspberry-pi-zero-2-w-1 == https://grabcad.com/library/raspberry-pi-zero-2-w-1 |
|
| 21 | + |
|
| 22 | +- [[CONN-cable-JST-dat]] - [[CONN-dat]] |
|
| 23 | + |
|
| 24 | +- [[XH2.54-dat]] |
|
| 25 | + |
|
| 26 | + |
|
| 27 | +- [[arduino-dat]] |
|
| 28 | + |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | +## projects |
|
| 33 | + |
|
| 34 | +- [[pixieplacer-dat]] |
|
| 35 | + |
|
| 36 | +- [[tank-dat]] - [[rover-dat]] - |
|
| 37 | + |
|
| 38 | + |
|
| 39 | + |
|
| 40 | + |
|
| 41 | +## stl file open and conversion |
|
| 42 | + |
|
| 43 | +- https://convert3d.org/app |
|
| 44 | + |
|
| 45 | +## scale |
|
| 46 | + |
|
| 47 | +- https://www.tinkercad.com/ |
|
| 48 | + |
|
| 49 | + |
|
| 50 | + |
|
| 51 | +## ref |
|
| 52 | + |
|
| 53 | +- [[CAD-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/CAD-dat/CAD-dat.md
| ... | ... | @@ -0,0 +1,70 @@ |
| 1 | + |
|
| 2 | +# CAD-dat |
|
| 3 | + |
|
| 4 | +- [[fab-dat]] |
|
| 5 | + |
|
| 6 | +- [[step-dat]] |
|
| 7 | + |
|
| 8 | +- [[assembly-dat]] - [[onshape-dat]] - [[drawing-dat]] |
|
| 9 | + |
|
| 10 | +- [[CAD-dat]] - [[onshape-dat]] - [[drawing-dat]] - [[assembly-dat]] - [[step-dat]] |
|
| 11 | + |
|
| 12 | +- [[eaglecad-dat]] - [[kicad-dat]] |
|
| 13 | + |
|
| 14 | +- [[3D-dat]] |
|
| 15 | + |
|
| 16 | +- [[solidworks-dat]] |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | +## Cloud-based Tools: |
|
| 22 | + |
|
| 23 | + |
|
| 24 | +- Onshape: You can upload the .PRT file and see if Onshape can automatically recognize it and allow you to work with it or convert it to another format. |
|
| 25 | +- GrabCAD Workbench: This platform may also support .PRT files, especially if it’s a standard PTC Creo file. |
|
| 26 | + |
|
| 27 | +### drawbacks |
|
| 28 | + |
|
| 29 | +- consider internet speed |
|
| 30 | + |
|
| 31 | +### Onshape |
|
| 32 | + |
|
| 33 | +[onshape](https://cad.onshape.com) |
|
| 34 | + |
|
| 35 | +- [check system requirements](https://cad.onshape.com/check) |
|
| 36 | + |
|
| 37 | +## opensource 3D |
|
| 38 | + |
|
| 39 | +### freeCAD |
|
| 40 | + |
|
| 41 | +- [freeCAD](https://wiki.freecad.org/download) |
|
| 42 | +- easy to crash |
|
| 43 | +- AMD HD 6700 1G = slow |
|
| 44 | + |
|
| 45 | + |
|
| 46 | +## opensource 2D |
|
| 47 | + |
|
| 48 | +- libreCAD |
|
| 49 | + |
|
| 50 | + |
|
| 51 | + |
|
| 52 | + |
|
| 53 | + |
|
| 54 | + |
|
| 55 | + |
|
| 56 | + |
|
| 57 | +- [[CNC-dat]] |
|
| 58 | + |
|
| 59 | + |
|
| 60 | + |
|
| 61 | + |
|
| 62 | +## download |
|
| 63 | + |
|
| 64 | +http://grabcad.com/library |
|
| 65 | + |
|
| 66 | +- [[CONN-pin-header-dat]] |
|
| 67 | + |
|
| 68 | +## ref |
|
| 69 | + |
|
| 70 | +- [[CAD]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/CAD-dat/drawing-dat/2025-06-16-12-56-05.png
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fab-mechanics-dat/CAD-dat/drawing-dat/2026-05-14-11-31-05.png
| ... | ... | Binary files /dev/null and b/fab-mechanics-dat/CAD-dat/drawing-dat/2026-05-14-11-31-05.png differ |
fab-mechanics-dat/CAD-dat/drawing-dat/drawing-dat.md
| ... | ... | @@ -0,0 +1,14 @@ |
| 1 | + |
|
| 2 | +# drawing-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +to export readable drawings, you can use the following formats: |
|
| 7 | + |
|
| 8 | +- DWG |
|
| 9 | +- DXF |
|
| 10 | + |
|
| 11 | +And note to export ratio 1:1 to avoid misreading |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +- [[eaglecad-dat]] - [[dxf-dat]] - [[drawing-dat]] - [[onshape-drawing-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/CAD-dat/drawing-dat/dxf-dat.md
| ... | ... | @@ -0,0 +1,13 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# dxf-dat.md |
|
| 4 | + |
|
| 5 | +- [[eaglecad-dat]] import |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +## ref |
|
| 13 | + |
fab-mechanics-dat/CAD-dat/onshape-dat/2025-12-20-16-04-36.png
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fab-mechanics-dat/CAD-dat/onshape-dat/2026-02-21-18-52-23.png
| ... | ... | Binary files /dev/null and b/fab-mechanics-dat/CAD-dat/onshape-dat/2026-02-21-18-52-23.png differ |
fab-mechanics-dat/CAD-dat/onshape-dat/onshape-constrain-dat.md
| ... | ... | @@ -0,0 +1,32 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | + |
|
| 4 | +# onshape-constrain-dat.md |
|
| 5 | + |
|
| 6 | +## Pin slot mate (m) |
|
| 7 | + |
|
| 8 | +Allow rotation about the Z axis and translation along the X axis. The 1st selection serves as the pin and the rotational movement point, and the 2nd selection serves as the translational movement. |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +## Slider mate (m) |
|
| 12 | + |
|
| 13 | +Allow translation along the Z axis. The lst selection serves as the slidingpoint, and the 2nd as the stationary point. |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +## Width mate |
|
| 17 | + |
|
| 18 | +Allow translation and normal rotation on a slot's center plane. |
|
| 19 | + |
|
| 20 | +The 1st selection defines the item to be centered. |
|
| 21 | + |
|
| 22 | +The 2nd selection defines the center plane. |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | +## ref |
|
| 30 | + |
|
| 31 | +- [[onshape-dat]] |
|
| 32 | + |
fab-mechanics-dat/CAD-dat/onshape-dat/onshape-dat.md
| ... | ... | @@ -0,0 +1,103 @@ |
| 1 | + |
|
| 2 | +# onshape-dat |
|
| 3 | + |
|
| 4 | +- [[onshape-constrain-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +## custom features |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +- [[thread-dat]] |
|
| 13 | + |
|
| 14 | +## relevant |
|
| 15 | + |
|
| 16 | +- [[ALU-extrusion-dat]] - [[Alu_Extrusion-dat]] |
|
| 17 | + |
|
| 18 | +## commands |
|
| 19 | + |
|
| 20 | + shift + enter |
|
| 21 | + Accept & repeat command |
|
| 22 | + enter |
|
| 23 | + Accept command |
|
| 24 | + escape |
|
| 25 | + Cancel |
|
| 26 | + space |
|
| 27 | + Clear selection |
|
| 28 | + ctrl/cmd |
|
| 29 | + c |
|
| 30 | + Copy |
|
| 31 | + shift |
|
| 32 | + c |
|
| 33 | + Curve/surface analysis |
|
| 34 | + delete |
|
| 35 | + / |
|
| 36 | + backspace |
|
| 37 | + Delete selection |
|
| 38 | + shift |
|
| 39 | + d |
|
| 40 | + Dihedral analysis |
|
| 41 | + ctrl/cmd |
|
| 42 | + shift |
|
| 43 | + f |
|
| 44 | + FeatureScript search |
|
| 45 | + ctrl |
|
| 46 | + u |
|
| 47 | + Feedback/Report a bug |
|
| 48 | + a |
|
| 49 | + Flip primary axis |
|
| 50 | + k |
|
| 51 | + Hide/show mate connectors |
|
| 52 | + shift |
|
| 53 | + / |
|
| 54 | + Keyboard shortcuts |
|
| 55 | + shift |
|
| 56 | + Lock mate inference |
|
| 57 | + ctrl |
|
| 58 | + m |
|
| 59 | + Mate connector |
|
| 60 | + [ |
|
| 61 | + Measure |
|
| 62 | + ctrl/cmd |
|
| 63 | + click |
|
| 64 | + Open in new tab |
|
| 65 | + shift |
|
| 66 | + click |
|
| 67 | + Open in new window |
|
| 68 | + ctrl/cmd |
|
| 69 | + v |
|
| 70 | + Paste |
|
| 71 | + ctrl |
|
| 72 | + space |
|
| 73 | + Quick tab switching |
|
| 74 | + ctrl |
|
| 75 | + y |
|
| 76 | + / |
|
| 77 | + shift |
|
| 78 | + cmd |
|
| 79 | + z |
|
| 80 | + Redo |
|
| 81 | + shift |
|
| 82 | + n |
|
| 83 | + Rename selection |
|
| 84 | + q |
|
| 85 | + Reorient secondary axis |
|
| 86 | + alt/⌥ |
|
| 87 | + c |
|
| 88 | + Search tools |
|
| 89 | + ` |
|
| 90 | + Select other |
|
| 91 | + s |
|
| 92 | + Shortcut toolbars |
|
| 93 | + alt/⌥ |
|
| 94 | + t |
|
| 95 | + Tab manager |
|
| 96 | + ctrl/cmd |
|
| 97 | + z |
|
| 98 | + Undo |
|
| 99 | + |
|
| 100 | + |
|
| 101 | +## ref |
|
| 102 | + |
|
| 103 | +- [[cad-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/CAD-dat/onshape-dat/onshape-drawing-dat.md
| ... | ... | @@ -0,0 +1,9 @@ |
| 1 | + |
|
| 2 | +# onshape-drawing-dat.md |
|
| 3 | + |
|
| 4 | +normally ratio 1:1 |
|
| 5 | + |
|
| 6 | +drawing tab -> export -> dxf |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +- [[eaglecad-dat]] - [[dxf-dat]] - [[drawing-dat]] - [[onshape-drawing-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/CAD-dat/onshape-dat/onshape-standard-dat.md
| ... | ... | @@ -0,0 +1,33 @@ |
| 1 | + |
|
| 2 | +# onshape-standard-dat.md |
|
| 3 | + |
|
| 4 | +## Method 1: Insert Standard Screws (Recommended) |
|
| 5 | + |
|
| 6 | +### Steps |
|
| 7 | +1. **Open an Assembly** |
|
| 8 | + > Standard screws can only be inserted in **Assemblies**, not Part Studios. |
|
| 9 | + |
|
| 10 | +2. **Insert → Standard Content** |
|
| 11 | + - Click **Insert** (top toolbar) |
|
| 12 | + - Choose **Standard Content** |
|
| 13 | + |
|
| 14 | +3. **Choose the screw standard** |
|
| 15 | + - Standards: `ISO`, `DIN`, `ANSI`, `ASME` |
|
| 16 | + - Type: `Socket head`, `Pan head`, `Countersunk`, etc. |
|
| 17 | + - Example: |
|
| 18 | + - ISO → Screws → Socket head cap screw (ISO 4762) |
|
| 19 | + |
|
| 20 | +4. **Set parameters** |
|
| 21 | + - Diameter: `M3`, `M4`, `M5`… |
|
| 22 | + - Length: `8 mm`, `12 mm`, `20 mm`… |
|
| 23 | + - Material (optional) |
|
| 24 | + |
|
| 25 | +5. **Place the screw** |
|
| 26 | + - Click a **cylindrical hole face** |
|
| 27 | + - Onshape auto-aligns the screw axis |
|
| 28 | + |
|
| 29 | +6. **Fasten with mates** |
|
| 30 | + - Use **Fastened Mate** |
|
| 31 | + - Or **Revolute Mate** if rotation is needed |
|
| 32 | + |
|
| 33 | +--- |
fab-mechanics-dat/CAD-dat/step-dat/step-dat.md
| ... | ... | @@ -0,0 +1,21 @@ |
| 1 | + |
|
| 2 | +# step-dat |
|
| 3 | + |
|
| 4 | +- Export |
|
| 5 | +- File name View export rules |
|
| 6 | +- 555-rack |
|
| 7 | +- Format |
|
| 8 | +- STEP |
|
| 9 | +- Export models oriented Y axis up |
|
| 10 | +- Preprocessing |
|
| 11 | +- None |
|
| 12 | +- Version |
|
| 13 | +- AP242 |
|
| 14 | +- Use latest version |
|
| 15 | +- Use custom units for export |
|
| 16 | +- Options |
|
| 17 | +- Download |
|
| 18 | + |
|
| 19 | +## ref |
|
| 20 | + |
|
| 21 | +- [[cad-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/Installation-Hole-dat/2025-01-02-15-58-41.png
| ... | ... | Binary files /dev/null and b/fab-mechanics-dat/Installation-Hole-dat/2025-01-02-15-58-41.png differ |
fab-mechanics-dat/Installation-Hole-dat/2025-01-02-15-58-48.png
| ... | ... | Binary files /dev/null and b/fab-mechanics-dat/Installation-Hole-dat/2025-01-02-15-58-48.png differ |
fab-mechanics-dat/Installation-Hole-dat/Installation-Hole-dat.md
| ... | ... | @@ -0,0 +1,9 @@ |
| 1 | + |
|
| 2 | +# Installation-Hole-dat |
|
| 3 | + |
|
| 4 | +## M3-Screw-and-Installation-Hole |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
fab-mechanics-dat/electromechanical-dat/Linear-Solenoid-Valve-dat/Linear-Solenoid-Valve-dat.md
| ... | ... | @@ -0,0 +1,26 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# Linear-Solenoid-Valve-dat |
|
| 4 | + |
|
| 5 | +- [[Linear-Solenoid-Valve-dat]] - [[electromechanical-dat]] - [[gear-worm-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +## model |
|
| 9 | + |
|
| 10 | +宗泰 SDO-0420L-24A85 拉式直动电磁铁 智能门锁/儿童玩具运用 |
|
| 11 | + |
|
| 12 | +- 型号：SD0-0420L-24A85 |
|
| 13 | +- 类型：拉式直动电磁铁 |
|
| 14 | +- 工作循环：通0.5秒，断2秒 |
|
| 15 | +- 包装：原包装，一箱1000个 |
|
| 16 | +- 额定电压：直流24伏 |
|
| 17 | +- 额定电流：240毫安 |
|
| 18 | +- 功率：约6瓦 |
|
| 19 | +- 电阻：8.3欧 |
|
| 20 | +- 行程范围：0-13.5毫米（有不对的地方请指正） |
|
| 21 | +- 拉力：<400克（通电时，可吊起400克砝码） |
|
| 22 | +- 应用：智能门锁，儿童玩具等 |
|
| 23 | +- 重量：12.6克 |
|
| 24 | + |
|
| 25 | + |
|
| 26 | +## ref |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/electromechanical-dat/electromechanical-dat.md
| ... | ... | @@ -0,0 +1,10 @@ |
| 1 | + |
|
| 2 | +# electromechanical-dat |
|
| 3 | + |
|
| 4 | +- [[gear-worm-dat]] |
|
| 5 | + |
|
| 6 | +- [[Linear-Solenoid-Valve-dat]] - [[electromechanical-dat]] - [[gear-worm-dat]] - [[fab-mechanics-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## ref |
|
| 10 | + |
fab-mechanics-dat/fab-mechanics-dat.md
| ... | ... | @@ -0,0 +1,169 @@ |
| 1 | + |
|
| 2 | +# mechanics-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[fab-electronic-Tools-dat]] - [[fab-mechanics-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +## power-tools |
|
| 9 | + |
|
| 10 | +- [[fab-drill-dat]] - [[drill-electric-dat]] - [[drill-bit-dat]] - [[tools-power-dat]] |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +- [[fab-dat]] - [[case-dat]] - [[hack-dat]] |
|
| 17 | + |
|
| 18 | +- [[engineering-dat]] |
|
| 19 | + |
|
| 20 | +- [[Linear-Solenoid-Valve-dat]] - [[electromechanical-dat]] - [[gear-worm-dat]] - [[mechanics-dat]] |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | +- [[Rivet-dat]] - [[Expansion-bolt-dat]] |
|
| 25 | + |
|
| 26 | +- [[cable-dat]] |
|
| 27 | + |
|
| 28 | +- [[glue-dat]] |
|
| 29 | + |
|
| 30 | +- [[CAD-dat]] |
|
| 31 | + |
|
| 32 | + |
|
| 33 | + |
|
| 34 | +- [[heatsink-dat]] |
|
| 35 | + |
|
| 36 | +- [[PCB-installation-dat]] |
|
| 37 | + |
|
| 38 | +- [[copper-spacer-dat]] |
|
| 39 | + |
|
| 40 | + |
|
| 41 | + |
|
| 42 | +- [[Lead-screw-dat]] |
|
| 43 | + |
|
| 44 | +- [[materials-dat]] - [[plastic-dat]] |
|
| 45 | + |
|
| 46 | +- [[mechanical-structure-dat]] - [[PVC-tube-dat]] - [[aluminum-profile-dat]] - [[turnover-box-dat]] - [[cardboard-dat]] - [[shaft-plain-dat]] |
|
| 47 | + |
|
| 48 | +- [[Shaft-dat]] - [[rod-system-dat]] - [[alu-extrusion-dat]] - [[motion-system-dat]] - [[rod-dat]] - [[tube-dat]] |
|
| 49 | + |
|
| 50 | +- [[mechanical-parts-dat]] - [[bearing-dat]] - [[nut-dat]] - [[flange-dat]] - [[crank-dat]] - [[hinge-dat]] |
|
| 51 | + |
|
| 52 | +- [[mechanical-tools-dat]] - [[tools-dat]] - [[mechanical-tools]] |
|
| 53 | + |
|
| 54 | +- [[mechanism-dat]] |
|
| 55 | + |
|
| 56 | + |
|
| 57 | + |
|
| 58 | + |
|
| 59 | +- [[oil-mineral-dat]] |
|
| 60 | + |
|
| 61 | +- [[physics-dat]] - [[optical-design-dat]] |
|
| 62 | + |
|
| 63 | +- [[waterproof-dat]] |
|
| 64 | + |
|
| 65 | +## category 2.0 |
|
| 66 | + |
|
| 67 | +mechanics-dat |
|
| 68 | +[[fab-dat]] - [[case-dat]] |
|
| 69 | + |
|
| 70 | +[[glue-dat]] |
|
| 71 | + |
|
| 72 | +[[mechanical-structure-dat/motion-system-dat/motion-system-dat]] |
|
| 73 | + |
|
| 74 | +[[mechnical-structure-dat]] |
|
| 75 | + |
|
| 76 | +[[bearing-dat]] - [[nut-dat]] |
|
| 77 | + |
|
| 78 | +[[CNC-dat]] |
|
| 79 | + |
|
| 80 | +[[heatsink-dat]] |
|
| 81 | + |
|
| 82 | +[[PCB-installation-dat]] |
|
| 83 | + |
|
| 84 | +[[mechanic-tools-dat]] |
|
| 85 | + |
|
| 86 | +[[copper-spacer-dat]] |
|
| 87 | + |
|
| 88 | +[[Pneumatic-cylinder-dat]] |
|
| 89 | + |
|
| 90 | +[[Lead-screw-dat]] - [[screw-dat]] - [[screw-thumb-dat]] |
|
| 91 | + |
|
| 92 | +- [[flange-dat]] |
|
| 93 | + |
|
| 94 | +## category 2.0 |
|
| 95 | + |
|
| 96 | +### Common Mechanical Parts |
|
| 97 | + |
|
| 98 | +Key - Magnet - Spring - Seal Ring - Shaft Collar/Metal Washer/Shim - Split Pin/Cotter Pin - Pipe Fittings - Scale Ruler - Oil Nozzle - Probe - Industrial Brush |
|
| 99 | + |
|
| 100 | +### Linear Motion Parts |
|
| 101 | + |
|
| 102 | +Guide Shaft - Guide Shaft Bracket - Linear Bearing - Aluminum-Plastic Linear Bearing - Oil-Free Bushing - Linear Rail - Cross Roller Guide/Slide - Ball Screw - Ball Screw Support Assembly - Trapezoidal Screw/Screw Related Parts - Spline - KK Module/Single-Axis Driver - Aluminum Base Linear Module - Rail-Embedded Linear Module - Linear Motor Module - Positioning Stage - Cable Drag Chain - Machine Tool Protective Cover |
|
| 103 | + |
|
| 104 | +### Transmission Components |
|
| 105 | + |
|
| 106 | +Coupling/Universal Joint - Timing Belt - Timing Pulley - Flat Belt/Round Belt - Roller - Gear/Rack - Sprocket/Chain - Pulley/Idler - Drum - Roller Strip - V-Belt·V-Belt Pulley - Multi-Wedge Pulley·Multi-Wedge Belt - Universal Ball - Mounted Bearing - Bearing - Joint/Rubber-Coated Bearing·Bearing Follower - Bearing Accessories - Shaft |
|
| 107 | + |
|
| 108 | +### Door Parts/Casters/Feet |
|
| 109 | + |
|
| 110 | +Handle - Grip - Handwheel - Hinge - Industrial Slide Rail - Pull Handle - Sealing Clasp - Latch - Hasp - Ball Latch - Magnetic Catch - Hook - Support Rod - Door Lock - Sealing Strip - Foot Cup - Caster - Leveling Wheel - Connector - Monitor Bracket |
|
| 111 | + |
|
| 112 | +### Fasteners |
|
| 113 | + |
|
| 114 | +Lifting Eye - Screw - Combination Parts - Nut - Retaining Ring - Washer - Screw with Stop Block - Bolt - Stud - Resin Parts - Positioning Ball/Positioning Pin - Riveting Parts - Thread Insert |
|
| 115 | + |
|
| 116 | +### Positioning Parts |
|
| 117 | + |
|
| 118 | +Fixing Ring - Post/Base/Post Fixing Clamp - Positioning Guide Parts - Cantilever Pin/Hinge Pin - Positioning Pin - Positioning Pin Bushing/Fixture Bushing - Indexing Pin/Quick-Release Pin - Clamp |
|
| 119 | + |
|
| 120 | +### Pneumatic Components |
|
| 121 | + |
|
| 122 | +Air Source Processing Elements - Cylinder - Control Valve/Manifold - Pneumatic Accessories - Air Tube/Hose - Vacuum Suction Cup - Pneumatic Connector/Speed Control Valve - Connection Block - Vacuum Generator - Nozzle |
|
| 123 | + |
|
| 124 | +### Industrial Materials/Damping/Heat Insulation |
|
| 125 | + |
|
| 126 | +Damping Material - Resin Board/Insulation Board - Sound Insulation and Shock Absorption |
|
| 127 | + |
|
| 128 | +### Industrial Control/Low-Voltage Power Distribution/Electrical Accessories |
|
| 129 | + |
|
| 130 | +Circuit Breaker/Air Switch - Contactor - Relay - Industrial Power Supply - Push Button Switch/Indicator Light/Buzzer/Button Box - Signal Light/Alarm Light - LED Lighting - Fan - PLC - Touch Screen - Frequency Converter - Measuring Instrument - Filter - Fuse/Fuse Holder - Crimp Terminal - Terminal Block - Switch/Router/Network Cable Accessories - Connector - Cable - Panel Box - Motion Controller - Plug/Socket/Power Strip - Electrical Accessories - Surge Protector - Transformer - Over/Under Voltage Protector - Current Transformer - Isolation Switch - Protective Tube/Flexible Tube/Cable Trunking - Time Relay - Distributed IO/Protocol Gateway/Data Acquisition |
|
| 131 | + |
|
| 132 | +### Sensors/Switches |
|
| 133 | + |
|
| 134 | +Photoelectric Sensor - Proximity Sensor - Area Sensor - Micro Switch - Limit Switch - Air Pressure Sensor - Temperature Sensor - Force Sensor - Laser Photoelectric Sensor - Fiber Optic Sensor - Color Mark Sensor - Laser Displacement Sensor - Slot-Type Photoelectric Sensor - Safety Light Curtain Sensor - Ultrasonic Sensor - Encoder |
|
| 135 | + |
|
| 136 | +### Motor Drives |
|
| 137 | + |
|
| 138 | +Stepper Motor - Servo Motor - Servo Stepper Special Accessories - Precision Planetary Reducer == [[dc-gear-motor-dat]] - Angle Rotator - Hollow Rotating Platform - Parallel Reduction Motor - Right Angle Reduction Motor - DD Motor - Cam Divider - Medium-Sized Reducer - RV Reducer - Linear Motor - Three-Phase Asynchronous Motor - Screw Motor - Joint Motor - DC Motor - AGV Special Accessories - Servo Electric Screwdriver - Brushless Reduction Motor - Integrated Stepper Reduction Motor - Drive Integrated Motor |
|
| 139 | + |
|
| 140 | +### Tools/Cutting Tools/Fixtures |
|
| 141 | + |
|
| 142 | +Measuring Tool - Storage Tool - Manual Tool - Milling Cutter - Tap - Electronic and Electrical Tools - Labor Protection Tools - Flexible Fixture - Machine Tool Fixture - Hand Truck |
|
| 143 | + |
|
| 144 | +### Hydraulic Components |
|
| 145 | + |
|
| 146 | +Hydraulic Connectors and Pipe Fittings |
|
| 147 | + |
|
| 148 | +### Machine Vision |
|
| 149 | + |
|
| 150 | +Industrial Camera - Vision Light Source - Controller - Robot End Effector |
|
| 151 | + |
|
| 152 | +### Mold Accessories |
|
| 153 | + |
|
| 154 | +Stamping Die Standard Parts - Plastic Mold Standard Parts |
|
| 155 | + |
|
| 156 | +### Industrial Aluminum Profile and Accessories |
|
| 157 | + |
|
| 158 | +Aluminum Profile - Profile Accessories - Conveyor Line and Functional Components - Aluminum Profile Frame - Lean Pipe - Cantilever Accessories - Fast-Speed Chain Profile |
|
| 159 | + |
|
| 160 | +### Aluminum Alloy Enclosure |
|
| 161 | + |
|
| 162 | + |
|
| 163 | + |
|
| 164 | +## ref |
|
| 165 | + |
|
| 166 | + |
|
| 167 | +- [[mechanics]] |
|
| 168 | + |
|
| 169 | +- [[tech-dat]] |
fab-mechanics-dat/glue-dat/adhesive-remover-dat/adhesive-remover-dat.md
| ... | ... | @@ -0,0 +1,8 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | + |
|
| 4 | +# adhesive-remover-dat |
|
| 5 | + |
|
| 6 | +- [[fab-tools-dat]] - [[adhesive-remover-dat]] |
|
| 7 | + |
|
| 8 | +- [[adhesive-remover]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/glue-dat/glue-dat.md
| ... | ... | @@ -0,0 +1,158 @@ |
| 1 | + |
|
| 2 | +# glue-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[glue-hot-dat]] - [[502-glue-dat]] - [[epoxy-glue-dat]] (AB Glue) - [[uv-glue-dat]] |
|
| 7 | + |
|
| 8 | +- [[glue-ABS-dat]] |
|
| 9 | + |
|
| 10 | +- [[glue-PVC-dat]] |
|
| 11 | + |
|
| 12 | +- [[glue-dat]] - [[glue-hot-dat]] |
|
| 13 | + |
|
| 14 | +- [[adhesive-remover-dat]] |
|
| 15 | + |
|
| 16 | +# 🔍 Comparison of Adhesives |
|
| 17 | + |
|
| 18 | +| Feature / Property | 502 Glue (Cyanoacrylate) | Epoxy Resin (AB Glue) | Hot Glue (Thermoplastic) | UV Glue (Light-Cured Adhesive) | |
|
| 19 | +|---------------------------|-------------------------------|-----------------------------------|----------------------------------|-------------------------------------| |
|
| 20 | +| **Main Component** | Cyanoacrylate | Epoxy resin + Hardener | Thermoplastic (EVA) | Acrylated resin + photoinitiators | |
|
| 21 | +| **Curing Trigger** | Moisture (in air/surface) | Chemical (resin + hardener mix) | Heat (glue gun) | UV light | |
|
| 22 | +| **Cure Time** | Seconds | Minutes to hours | Seconds (cools fast) | Seconds (with UV light) | |
|
| 23 | +| **Bond Strength** | High | Very High | Medium | High | |
|
| 24 | +| **Material Compatibility**| Metal, plastic, rubber, etc. | Most surfaces | Most porous and some plastics | Glass, plastic, metal | |
|
| 25 | +| **Heat Resistance** | Low to Moderate | High | Low | Moderate to High | |
|
| 26 | +| **Moisture Resistance** | Moderate | High | Low | High | |
|
| 27 | +| **Application Control** | Moderate (can drip) | Requires mixing, precise | Easy, but can be stringy | Precise (controlled by light) | |
|
| 28 | +| **Reusability** | No (one-time bond) | No (once mixed, must be used) | Yes (reheat and reuse) | No | |
|
| 29 | +| **Common Uses** | Quick household repairs, models| Heavy-duty bonding, structural | Crafts, packaging, quick fixes | Phone screens, jewelry, precision | |
|
| 30 | +| **Cleanup** | Acetone | Alcohol/solvents before cure | Peel off | Alcohol or acetone | |
|
| 31 | + |
|
| 32 | + |
|
| 33 | + |
|
| 34 | + |
|
| 35 | +## How 502 Glue Works (Cyanoacrylate Adhesive) |
|
| 36 | + |
|
| 37 | +502 glue, also known as **super glue**, is primarily made from **cyanoacrylate**. It works based on a **rapid polymerization reaction** triggered by moisture. |
|
| 38 | + |
|
| 39 | +--- |
|
| 40 | + |
|
| 41 | +### 🧪 Basic Principle |
|
| 42 | + |
|
| 43 | +**1. Composition – Cyanoacrylate:** |
|
| 44 | +502 glue contains cyanoacrylate monomers that remain stable in dry environments. However, when exposed to even tiny amounts of **moisture (like humidity in the air)**, a chemical reaction starts. |
|
| 45 | + |
|
| 46 | +**2. Polymerization Triggered by Moisture:** |
|
| 47 | +When applied to surfaces, the trace moisture on them acts as a **catalyst**, initiating a **rapid chain reaction** that converts the liquid monomers into solid polymers (plastic-like substance). |
|
| 48 | + |
|
| 49 | +👉 This hardening happens within **seconds**. |
|
| 50 | + |
|
| 51 | +**3. Exothermic Reaction:** |
|
| 52 | +The polymerization process **releases heat**. This is why 502 glue can feel hot when accidentally bonded to skin, sometimes causing minor burns. |
|
| 53 | + |
|
| 54 | +--- |
|
| 55 | + |
|
| 56 | +### 🔧 Adhesive Characteristics |
|
| 57 | + |
|
| 58 | +- Bonds quickly and strongly to various materials like: |
|
| 59 | + - Metal |
|
| 60 | + - Plastic |
|
| 61 | + - Rubber |
|
| 62 | + - Ceramics |
|
| 63 | + - Leather |
|
| 64 | +- Dries in seconds |
|
| 65 | +- High bonding strength |
|
| 66 | +- **Not ideal** for long-term high heat or moisture exposure (may become brittle) |
|
| 67 | + |
|
| 68 | +--- |
|
| 69 | + |
|
| 70 | +### 🧼 How to Remove It |
|
| 71 | + |
|
| 72 | +If you accidentally glue your skin or surfaces, try: |
|
| 73 | + |
|
| 74 | +- **Nail polish remover (contains acetone)** |
|
| 75 | +- **Soaking in warm soapy water** |
|
| 76 | +- **Gentle peeling or waiting for it to wear off naturally** |
|
| 77 | + |
|
| 78 | +--- |
|
| 79 | + |
|
| 80 | +### 📌 Summary |
|
| 81 | + |
|
| 82 | +502 glue works by **polymerizing instantly** when in contact with moisture, forming a hard plastic-like bond. It’s fast, strong, and versatile—but must be handled carefully due to its speed and bonding strength. |
|
| 83 | + |
|
| 84 | + |
|
| 85 | + |
|
| 86 | + |
|
| 87 | +## ❌ Why 502 Glue Fails to Bond Some 3D Printing Materials |
|
| 88 | + |
|
| 89 | +### 1. **Low Surface Energy (LSE) Plastics** |
|
| 90 | +Many 3D printing filaments, like **PP (Polypropylene)**, **PE (Polyethylene)**, and **PTFE (Teflon)**, have **very low surface energy**, meaning adhesives can't "wet" or stick to them properly. |
|
| 91 | + |
|
| 92 | +- ➤ Glue beads up instead of spreading |
|
| 93 | +- ➤ No strong chemical bond forms |
|
| 94 | + |
|
| 95 | +### 2. **Porous or Layered Surface (FDM Printing)** |
|
| 96 | +FDM 3D prints have tiny gaps and a layered structure: |
|
| 97 | + |
|
| 98 | +- ➤ 502 glue may seep in but not form strong bonds between layers |
|
| 99 | +- ➤ Layer lines reduce the available smooth surface area for bonding |
|
| 100 | + |
|
| 101 | +### 3. **Moisture Content** |
|
| 102 | +502 glue requires **a small amount of moisture** to activate. But: |
|
| 103 | + |
|
| 104 | +- ➤ Some 3D printed parts may be too dry (especially freshly printed ones) |
|
| 105 | +- ➤ Or too porous, absorbing glue unevenly |
|
| 106 | + |
|
| 107 | +### 4. **Incompatible Materials** |
|
| 108 | +Some common filaments are just not suitable for cyanoacrylate: |
|
| 109 | + |
|
| 110 | +| Material | 502 Glue Compatibility | |
|
| 111 | +|----------------|------------------------| |
|
| 112 | +| PLA | ✅ Generally bonds well | |
|
| 113 | +| ABS | ⚠️ Moderate (may need sanding) | |
|
| 114 | +| PETG | ⚠️ Difficult, slippery surface | |
|
| 115 | +| TPU / TPE | ❌ Very poor bonding (flexible) | |
|
| 116 | +| Nylon | ❌ Very difficult to bond | |
|
| 117 | +| PP / PE | ❌ Extremely poor adhesion | |
|
| 118 | + |
|
| 119 | +### 5. **Oily or Contaminated Surface** |
|
| 120 | +Some filaments (like PETG or nylon) may feel **greasy** or attract **oil/dust**, which prevents proper glue bonding. |
|
| 121 | + |
|
| 122 | +--- |
|
| 123 | + |
|
| 124 | +## ✅ Tips to Improve Bonding |
|
| 125 | + |
|
| 126 | +- **Roughen the surface** with sandpaper |
|
| 127 | +- **Clean with alcohol** before applying glue |
|
| 128 | +- Use **plastic primers** or **specialized adhesives** (like epoxy or polyurethane) |
|
| 129 | +- For tricky materials like nylon or TPU, use **heat welding**, **mechanical fasteners**, or **special plastic adhesives** |
|
| 130 | + |
|
| 131 | + |
|
| 132 | +## For high-strength bonding of mechanical transmission components (e.g., gears, bearings, linkages, metal or hard plastic parts), the recommended adhesives are: |
|
| 133 | + |
|
| 134 | +| Adhesive Type | Suitable Materials | Features & Recommendations | |
|
| 135 | +|----------------------------|-----------------------------------|----------------------------------------------------------------------------| |
|
| 136 | +| AB Glue (Epoxy Resin, 2-part) | Metal, ceramics, hard plastics, composites | Extremely strong, gap-filling, rigid after curing, heat and chemical resistant, good for shear and pressure loads | |
|
| 137 | +| MMA Adhesive (Methyl Methacrylate) | Metal, composites, hard plastics | Industrial-grade, strong and slightly flexible, vibration-resistant, suitable for high-speed or vibrating environments | |
|
| 138 | +| Structural Acrylic Adhesive | Metal-to-metal, composites | High shear strength, commonly used in automotive or mechanical structural parts | |
|
| 139 | +| PU Adhesive (Polyurethane Structural Glue) | Metal, hard plastic, composites | Flexible, absorbs vibration, good for impact or minor vibration, slightly lower strength than AB glue | |
|
| 140 | + |
|
| 141 | +⚙️ **Selection Recommendations**: |
|
| 142 | +1. **High load, requires rigidity** → **AB Glue (Epoxy Resin)** |
|
| 143 | +2. **High load with vibration or impact** → **MMA Glue / Structural Acrylic** |
|
| 144 | +3. **Moderate load, requires flexibility, minor vibration absorption** → **PU Structural Glue** |
|
| 145 | + |
|
| 146 | +💡 **Tips**: |
|
| 147 | +- Ensure bonding surfaces are **clean, dry, and oil-free** |
|
| 148 | +- Lightly sanding metal or hard plastic surfaces can improve friction and adhesion |
|
| 149 | +- For high-speed rotating or precision transmission components, even after curing, **stress distribution** should be considered; using **mechanical alignment pins/bolts** can reinforce the joint |
|
| 150 | + |
|
| 151 | + |
|
| 152 | + |
|
| 153 | + |
|
| 154 | +## ref |
|
| 155 | + |
|
| 156 | +- [[fab-mechanics-dat]] |
|
| 157 | + |
|
| 158 | +- [[glue]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/glue-dat/glue-expory-dat/glue-expory-dat.md
| ... | ... | @@ -0,0 +1,21 @@ |
| 1 | + |
|
| 2 | +# epoxy-glue-dat.md |
|
| 3 | + |
|
| 4 | +epoxy glue is commonly referred to as AB glue. |
|
| 5 | + |
|
| 6 | +三、推荐的具体胶水（常见好买） |
|
| 7 | +✅ 性价比方案（可 DIY） |
|
| 8 | + |
|
| 9 | +慢固化 AB 胶（24 小时型） |
|
| 10 | + |
|
| 11 | +比如：工业级环氧胶、EPOXY ADHESIVE |
|
| 12 | + |
|
| 13 | +强度明显高于 5 分钟胶 |
|
| 14 | + |
|
| 15 | +⭐ 更稳的工程方案 |
|
| 16 | + |
|
| 17 | +3M DP420 / DP460（环氧结构胶） |
|
| 18 | + |
|
| 19 | +Loctite EA 9460 / 9480 |
|
| 20 | + |
|
| 21 | +Loctite 330（配底涂）（丙烯酸） |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/glue-dat/glue-hot-dat/2026-02-22-14-52-45.png
| ... | ... | Binary files /dev/null and b/fab-mechanics-dat/glue-dat/glue-hot-dat/2026-02-22-14-52-45.png differ |
fab-mechanics-dat/glue-dat/glue-hot-dat/glue-hot-dat.md
| ... | ... | @@ -0,0 +1,10 @@ |
| 1 | + |
|
| 2 | +# glue-hot-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +## ref |
|
| 9 | + |
|
| 10 | +- [[glue-dat]] - [[glue-hot-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/glue-dat/glue-lens-dat.md
| ... | ... | @@ -0,0 +1,65 @@ |
| 1 | +# glue-lens-dat |
|
| 2 | + |
|
| 3 | + |
|
| 4 | +⚠️注意：胶水只能涂在 镜头金属外壳的螺纹区域、外壁、固定环位置, 绝不能涂在镜片表面，否则必然毁掉成像。 |
|
| 5 | + |
|
| 6 | +## **A. Optical-grade Epoxy (Best + Most Common)** |
|
| 7 | +Examples: |
|
| 8 | +- **EPO-TEK 301** |
|
| 9 | +- **EPO-TEK OG142 / OG159-2** |
|
| 10 | +- **Loctite 3771** |
|
| 11 | + |
|
| 12 | +**Pros** |
|
| 13 | +- High transparency (>95%) |
|
| 14 | +- No fogging |
|
| 15 | +- Waterproof + pressure-resistant |
|
| 16 | +- Safe with plastic lenses |
|
| 17 | +- Ideal for bonding a flat protective window |
|
| 18 | + |
|
| 19 | +**Cons** |
|
| 20 | +- Long curing time |
|
| 21 | +- Must be applied carefully |
|
| 22 | + |
|
| 23 | +Recommended models: |
|
| 24 | + |
|
| 25 | +- EPO-TEK 301 |
|
| 26 | +- EPO-TEK 301-2 |
|
| 27 | +- EPO-TEK OG142 / OG159-2 |
|
| 28 | +- Loctite 3771 (Optical Epoxy) |
|
| 29 | + |
|
| 30 | +Advantages: |
|
| 31 | +- Does not whiten (no blooming) |
|
| 32 | +- Safe for plastic lens elements |
|
| 33 | +- Very high transparency |
|
| 34 | +- High mechanical strength after cure |
|
| 35 | +- Can be used for waterproof sealing |
|
| 36 | + |
|
| 37 | +Suitable for: |
|
| 38 | +- Bonding a dust/protective cover to the rear of the lens |
|
| 39 | +- Sealing the lens rear for waterproofing |
|
| 40 | + |
|
| 41 | +--- |
|
| 42 | + |
|
| 43 | + |
|
| 44 | +## **B. Optical UV Adhesives** |
|
| 45 | +Examples: |
|
| 46 | +- **Norland NOA61 / NOA63 / NOA65 / NOA81** |
|
| 47 | +- **Dymax 6-621** |
|
| 48 | + |
|
| 49 | +**Pros** |
|
| 50 | +- Very clear |
|
| 51 | +- Fast UV cure |
|
| 52 | +- Safe for plastic and glass |
|
| 53 | +- Precise control |
|
| 54 | + |
|
| 55 | +**Cons** |
|
| 56 | +- UV light must reach the adhesive |
|
| 57 | +- Not ideal for thick layers (>1 mm) |
|
| 58 | + |
|
| 59 | + |
|
| 60 | + |
|
| 61 | +## ref |
|
| 62 | + |
|
| 63 | +- [[glue-dat]] - [[lens-dat]] |
|
| 64 | + |
|
| 65 | +- [[glue-lens]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/glue-dat/glue-lens.md
| ... | ... | @@ -0,0 +1,10 @@ |
| 1 | + |
|
| 2 | +# glue-lens.md |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +loctite汉高乐泰E- 30CL环氧树脂AB胶透明灌注胶防潮耐候性超级电焊胶光学透明灌封胶电子电路板防水铸工胶 |
|
| 6 | + |
|
| 7 | +https://detail.tmall.com/item.htm?abbucket=9&id=652747005184&mi_id=0000IjhpKEd3znq8pxGzGZv4obIps39Xz72-fyFUB520YgI&ns=1&priceTId=213e0a8e17653516284226491e19aa&skuId=5854080352118&spm=a21n57.1.hoverItem.1&utparam=%7B%22aplus_abtest%22%3A%22b5cc482cb5ba63778065061fdd45ca00%22%7D&xxc=taobaoSearch |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
fab-mechanics-dat/glue-dat/glue-waterproof-dat.md
| ... | ... | @@ -0,0 +1,26 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# glue-waterproof-dat.md |
|
| 4 | + |
|
| 5 | +- [[plastic-dat]] |
|
| 6 | + |
|
| 7 | +Recommended Adhesives for Waterproof Sealing |
|
| 8 | + |
|
| 9 | +1. **Epoxy Resin** |
|
| 10 | + - Two-part epoxy (clear or marine-grade) |
|
| 11 | + - Creates a **strong, waterproof bond** |
|
| 12 | + - Good for ABS, PETG, PLA |
|
| 13 | + |
|
| 14 | +2. **Plastic Solvent Welding** |
|
| 15 | + - For ABS: **acetone** melts edges and fuses pieces |
|
| 16 | + - Creates a **solid, almost seamless bond** |
|
| 17 | + |
|
| 18 | +3. **Silicone Sealant** |
|
| 19 | + - Food-grade or marine silicone |
|
| 20 | + - Not strong structurally, but excellent for **sealing gaps and making watertight** |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | +## ref |
|
| 25 | + |
|
| 26 | +- [[waterproof-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/hex-key-dat/hex-key-dat.md
| ... | ... | @@ -0,0 +1,44 @@ |
| 1 | + |
|
| 2 | +# hex-key-dat |
|
| 3 | + |
|
| 4 | +- [[screw-dat]] |
|
| 5 | + |
|
| 6 | +- [[tools-power-socket-dat]] - [[hex-key-dat]] |
|
| 7 | + |
|
| 8 | +## Internal hexagon |
|
| 9 | + |
|
| 10 | +the **specifications of Allen keys / hex keys** are defined by the **across-flats (AF) size**, meaning the distance between two opposite flat sides of the hexagon. |
|
| 11 | + |
|
| 12 | +So you can say: |
|
| 13 | + |
|
| 14 | +- “Hex key sizes are specified by the across-flats dimension.” |
|
| 15 | +- Example: a 6 mm Allen key means the hexagon measures 6 mm across the flats. |
|
| 16 | + |
|
| 17 | +- 1.5mm |
|
| 18 | +- 2mm |
|
| 19 | +- 2.5mm |
|
| 20 | +- 3mm |
|
| 21 | +- 4mm |
|
| 22 | +- 5mm |
|
| 23 | +- 6mm |
|
| 24 | +- 8mm |
|
| 25 | +- 10mm |
|
| 26 | +- 12mm |
|
| 27 | +- 14mm |
|
| 28 | +- 16mm |
|
| 29 | +- 17mm |
|
| 30 | +- 18mm |
|
| 31 | +- 19mm |
|
| 32 | +- 20mm |
|
| 33 | + |
|
| 34 | + |
|
| 35 | +power hex key |
|
| 36 | + |
|
| 37 | +-- 50MM*H1.5 -- 50MM*H2 -- 50MM*H2.5 -- 50MM*H3 -- 50MM*H4 -- 50MM*H5 -- 50MM*H6 -- 50MM*H8 -- 50MM*H10 -- 50MM*H12 -- 65MM*H1.5 -- 65MM*H2 -- 65MM*H2.5 -- 65MM*H3 -- 65MM*H4 -- 65MM*H5 -- 65MM*H6 -- 65MM*H8 -- 65MM*H10 -- 65MM*H12 -- 100MM*H2.5 -- 100MM*H3 -- 100MM*H4 -- 100MM*H5 -- 100MM*H6 -- 100MM*H8 -- 100MM*H10 -- 100MM*H12 -- 150MM*H3 -- 150MM*H4 -- 150MM*H5 -- 150MM*H6 -- 150MM*H8 -- 150MM*H10 |
|
| 38 | + |
|
| 39 | + |
|
| 40 | + |
|
| 41 | + |
|
| 42 | +## ref |
|
| 43 | + |
|
| 44 | +- [[fab-mechanics-dat]] - [[screw-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-assembly-dat/2025-12-22-21-09-26.png
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fab-mechanics-dat/mechanical-assembly-dat/mechanical-assembly-dat.md
| ... | ... | @@ -0,0 +1,26 @@ |
| 1 | + |
|
| 2 | +# mechanical-assembly-dat |
|
| 3 | + |
|
| 4 | +- [[onshape-dat]] |
|
| 5 | + |
|
| 6 | +## exploded view |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +## drill hole lock assembly |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +### hole through |
|
| 16 | + |
|
| 17 | +- 4.5 |
|
| 18 | +- 3.5 |
|
| 19 | +- 5.5 |
|
| 20 | + |
|
| 21 | + |
|
| 22 | +### hole tapped |
|
| 23 | + |
|
| 24 | +- M3 |
|
| 25 | +- M4 |
|
| 26 | +- M5 |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/Lead-screw-dat/2025-06-06-19-25-24.png
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fab-mechanics-dat/mechanical-parts-dat/Lead-screw-dat/Lead-screw-dat.md
| ... | ... | @@ -0,0 +1,6 @@ |
| 1 | + |
|
| 2 | +# Lead-screw-dat |
|
| 3 | + |
|
| 4 | +lead screws are mechanical devices used to convert rotational motion into linear motion. They consist of a threaded rod (the lead screw) and a nut that moves along the threads when the screw is turned. |
|
| 5 | + |
|
| 6 | + |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-parts-dat/Linear-Rail-dat/Linear-Rail-dat.md
| ... | ... | @@ -0,0 +1,29 @@ |
| 1 | + |
|
| 2 | +# Linear-Rail-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- HGR20 - https://grabcad.com/library/hgr20-linear-guide-subassembly-configurable-rail-length-150-4000-mm-1 |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +## MGN12H_600mm |
|
| 9 | + |
|
| 10 | +- length = 600m |
|
| 11 | + |
|
| 12 | +W = dimension of the block = 27 |
|
| 13 | +Wr = dimesnion of the rail = 12 |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | +导轨端距有要求吗 == 默认均分 |
|
| 20 | + |
|
| 21 | +## installation |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | +## ref |
|
| 28 | + |
|
| 29 | +- [[pixieplacer-dat]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-parts-dat/Nut-dat/Nut-dat.md
| ... | ... | @@ -0,0 +1,27 @@ |
| 1 | + |
|
| 2 | +# Nut-dat |
|
| 3 | + |
|
| 4 | +- [[nut-t-dat]] - [[nut-thumb-dat]] - [[nut-dat]] |
|
| 5 | + |
|
| 6 | +- 螺母 |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +M2.5 perpendicular 5.5 |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +M3 perpendicular 6 |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | +M4 perpendicular 8 |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | +## ref |
|
| 26 | + |
|
| 27 | +- [[nut]] - [[screws]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-parts-dat/Nut-dat/T-nut-dat/T-nut-dat.md
| ... | ... | @@ -0,0 +1,77 @@ |
| 1 | + |
|
| 2 | +# T-nut-dat |
|
| 3 | + |
|
| 4 | +## specs |
|
| 5 | + |
|
| 6 | +20 - M5 - 10 - 6 == for groove width 6.2 mm 2020 [[Alu-Extrusion-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +40 - M5 - 19.5 - 8 == for groove width 8.2 mm 4040 [[Alu-Extrusion-dat]] |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +### T-nuts |
|
| 17 | + |
|
| 18 | +single rail |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | +large locker with ribs |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | +EU 30M4T == 304 == M4 |
|
| 30 | + |
|
| 31 | + |
|
| 32 | + |
|
| 33 | +EU 40M5 |
|
| 34 | + |
|
| 35 | + |
|
| 36 | + |
|
| 37 | +dual rail |
|
| 38 | + |
|
| 39 | +#### Locking Effect Explained: |
|
| 40 | + |
|
| 41 | +Tightening the Screw: |
|
| 42 | + |
|
| 43 | +As you tighten the screw into the T-nut, the screw's threads engage with the internal threads of the T-nut. |
|
| 44 | +When the screw is turned, it applies a force that presses the T-nut tightly against the sides of the aluminum extrusion's groove. |
|
| 45 | + |
|
| 46 | +Increased Friction: |
|
| 47 | + |
|
| 48 | +The horizontal part of the T-nut, the "T" portion, makes contact with the two sides of the groove. This creates a large contact area between the T-nut and the extrusion. |
|
| 49 | +As the screw continues to tighten, the pressure between the T-nut and the groove increases, resulting in higher friction. The friction prevents the T-nut from moving within the groove. |
|
| 50 | + |
|
| 51 | +Stability: |
|
| 52 | + |
|
| 53 | +The tightening force from the screw effectively locks the T-nut into place. The T-nut's "T" shape, combined with the increased pressure, causes it to grip tightly inside the extrusion, which prevents it from shifting or loosening. |
|
| 54 | +This means that once the screw is fully tightened, the T-nut is securely fixed within the extrusion, providing a stable and non-moving connection. |
|
| 55 | + |
|
| 56 | +Prevention of Movement: |
|
| 57 | + |
|
| 58 | +The combination of friction and compression ensures that the T-nut will not slide or move within the extrusion slot. It becomes firmly anchored, even under load, ensuring the connection stays intact over time. |
|
| 59 | +In summary, the locking effect is the result of the screw creating a compressive force that increases friction between the T-nut and the aluminum extrusion groove, securing the T-nut in place and preventing it from shifting. This guarantees a strong, stable, and secure connection. |
|
| 60 | + |
|
| 61 | +### Hex Head (Hexagonal Head): |
|
| 62 | + |
|
| 63 | +- [[screw-dat]] |
|
| 64 | + |
|
| 65 | +Description: A hexagonal-shaped head that requires a wrench or a socket driver for tightening. |
|
| 66 | + |
|
| 67 | +Why it's preferred: The hex head provides a large surface area for torque, allowing you to apply more force to tighten the screw securely. This helps achieve a stronger locking effect for the T-nut. |
|
| 68 | + |
|
| 69 | +Application: Suitable for heavy-duty applications where a high level of torque and secure fastening is required. |
|
| 70 | + |
|
| 71 | + |
|
| 72 | + |
|
| 73 | + |
|
| 74 | + |
|
| 75 | +## ref |
|
| 76 | + |
|
| 77 | +- [[T-nut]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/Nut-dat/nut-thumb-dat/2026-02-22-16-07-56.png
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fab-mechanics-dat/mechanical-parts-dat/Nut-dat/nut-thumb-dat/nut-thumb-dat.md
| ... | ... | @@ -0,0 +1,15 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# nut-thumb-dat |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[screw-thumb-dat]] - [[nut-thumb-dat]] - [[product-dat]] - [[user-friendly-mechanical-design-dat]] |
|
| 7 | + |
|
| 8 | +- [[nut-t-dat]] - [[nut-thumb-dat]] - [[nut-dat]] |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +## ref |
|
| 15 | + |
fab-mechanics-dat/mechanical-parts-dat/Pneumatic-cylinder-dat/2025-06-06-19-10-59.png
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fab-mechanics-dat/mechanical-parts-dat/Pneumatic-cylinder-dat/Pneumatic-cylinder-dat.md
| ... | ... | @@ -0,0 +1,5 @@ |
| 1 | + |
|
| 2 | +# Pneumatic-cylinder-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
fab-mechanics-dat/mechanical-parts-dat/bearing-dat/2025-04-18-15-37-24.png
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fab-mechanics-dat/mechanical-parts-dat/bearing-dat/bearing-dat.md
| ... | ... | @@ -0,0 +1,124 @@ |
| 1 | + |
|
| 2 | +# bearing-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[bearing-pillow-dat]] - [[bearing-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +## 6202 / 6302 |
|
| 11 | + |
|
| 12 | +## 6201-2RS / 6301 Bearing Specifications |
|
| 13 | + |
|
| 14 | +Technical Breakdown of the Name: 6201-2RS |
|
| 15 | + |
|
| 16 | +- 6: Indicates a Deep Groove Ball Bearing (the most common type). |
|
| 17 | +- 2: Represents the Series (Light series; provides a balance between size and load capacity). |
|
| 18 | +- 01: This is the Bore Code. For codes 01, 02, and 03, the sizes are fixed: |
|
| 19 | +- 00 = 10mm |
|
| 20 | +- 01 = 12mm |
|
| 21 | +- 02 = 15mm |
|
| 22 | +- 2RS: Stands for Two Rubber Seals. |
|
| 23 | + |
|
| 24 | +`Pro-tip`: If you see ZZ, it means metal shields. For an electric scooter (outdoor use), 2RS is superior because it keeps water and grime out of the internal grease. |
|
| 25 | + |
|
| 26 | +`Axle Fit`: Ensure your axle is exactly 12mm. If the axle is slightly undersized (e.g., 11.8mm), you may experience "play" or wobbling. |
|
| 27 | + |
|
| 28 | +`Hub Housing`: The hole in your wheel hub must be machined to 32mm. This is usually a "press-fit," meaning it should be tight enough that you need a tool or a rubber mallet to seat it. |
|
| 29 | + |
|
| 30 | + |
|
| 31 | +## 6200 / 6300 |
|
| 32 | + |
|
| 33 | + |
|
| 34 | +## bearing stand |
|
| 35 | + |
|
| 36 | +SK series |
|
| 37 | + |
|
| 38 | + |
|
| 39 | + |
|
| 40 | +## linear bearing |
|
| 41 | + |
|
| 42 | + |
|
| 43 | + |
|
| 44 | + |
|
| 45 | +## bearing wtih vertical stand |
|
| 46 | + |
|
| 47 | + |
|
| 48 | + |
|
| 49 | + |
|
| 50 | +## 608_Bearing |
|
| 51 | + |
|
| 52 | +Here's what "608" means: |
|
| 53 | + |
|
| 54 | +- 6 – The bearing type (6 = single row deep groove ball bearing) |
|
| 55 | +- 0 – The bearing series, indicating the robustness (0 = light duty) |
|
| 56 | +- 8 – The bore size, which is 8mm |
|
| 57 | + |
|
| 58 | +Basic Dimensions of a 608 bearing: |
|
| 59 | + |
|
| 60 | +- Inner diameter (bore): 8 mm |
|
| 61 | +- Outer diameter: 22 mm |
|
| 62 | +- Width (thickness): 7 mm |
|
| 63 | + |
|
| 64 | + |
|
| 65 | + |
|
| 66 | + |
|
| 67 | +## block the bearing |
|
| 68 | + |
|
| 69 | + |
|
| 70 | + |
|
| 71 | +by M3 screws |
|
| 72 | + |
|
| 73 | + |
|
| 74 | +## What is a Bearing? |
|
| 75 | + |
|
| 76 | +A **bearing** is a mechanical component that **reduces friction** between moving parts and supports rotational or linear motion. Bearings are commonly used in machines, vehicles, and industrial equipment to enhance efficiency and durability. |
|
| 77 | + |
|
| 78 | +--- |
|
| 79 | + |
|
| 80 | +### Types of Bearings |
|
| 81 | + |
|
| 82 | +#### 1. Rolling Element Bearings (Most Common) |
|
| 83 | +These use balls or rollers to reduce friction. |
|
| 84 | + |
|
| 85 | +- **Ball Bearings** 🏀 |
|
| 86 | + - Use small balls between inner and outer rings. |
|
| 87 | + - Suitable for high-speed applications. |
|
| 88 | + - **Example:** Used in **electric motors, bicycles, fans**. |
|
| 89 | + |
|
| 90 | +- **Roller Bearings** 🎢 |
|
| 91 | + - Use cylindrical, tapered, or spherical rollers instead of balls. |
|
| 92 | + - Handle higher loads than ball bearings. |
|
| 93 | + - **Example:** Found in **conveyor belts, gearboxes, heavy machinery**. |
|
| 94 | + |
|
| 95 | +#### 2. Plain Bearings (Bushings) |
|
| 96 | +- Do not have rolling elements, relying on smooth surfaces and lubrication. |
|
| 97 | +- **Example:** **Hinges, automotive suspension systems**. |
|
| 98 | + |
|
| 99 | +#### 3. Magnetic Bearings 🧲 |
|
| 100 | +- Use **magnetic fields** to support a rotating shaft without physical contact. |
|
| 101 | +- **Example:** **High-speed turbines, advanced aerospace applications**. |
|
| 102 | + |
|
| 103 | +#### 4. Fluid Bearings 💧 |
|
| 104 | +- Use **oil or gas film** to eliminate direct contact between surfaces. |
|
| 105 | +- **Example:** **Hard drives, turbochargers**. |
|
| 106 | + |
|
| 107 | +--- |
|
| 108 | + |
|
| 109 | +### Key Functions of Bearings |
|
| 110 | +✅ **Reduce Friction** → Increases efficiency |
|
| 111 | +✅ **Support Loads** → Radial (sideways) & axial (thrust) loads |
|
| 112 | +✅ **Improve Precision** → Smooth motion & alignment |
|
| 113 | +✅ **Enhance Durability** → Reduces wear on components |
|
| 114 | + |
|
| 115 | + |
|
| 116 | + |
|
| 117 | +## bearing apps |
|
| 118 | + |
|
| 119 | + |
|
| 120 | + |
|
| 121 | + |
|
| 122 | + |
|
| 123 | +## ref |
|
| 124 | + |
fab-mechanics-dat/mechanical-parts-dat/bearing-support-dat/2026-01-07-16-58-43.png
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fab-mechanics-dat/mechanical-parts-dat/bearing-support-dat/2026-01-07-17-00-12.png
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fab-mechanics-dat/mechanical-parts-dat/bearing-support-dat/Flanged-bearing-dat.md
| ... | ... | @@ -0,0 +1,10 @@ |
| 1 | + |
|
| 2 | +# Flanged-bearing-dat.md |
|
| 3 | + |
|
| 4 | +如 LMK、LMEK、LMF、LMEF、LMH 等系列，它们有法兰盘，易于安装。 |
|
| 5 | + |
|
| 6 | +SHF13 - 47 - 13 - 7 |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/bearing-support-dat/bearing-support-dat.md
| ... | ... | @@ -0,0 +1,3 @@ |
| 1 | + |
|
| 2 | +# bearing-support-dat |
|
| 3 | + |
fab-mechanics-dat/mechanical-parts-dat/bracket-dat/2026-01-08-03-50-38.png
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fab-mechanics-dat/mechanical-parts-dat/bracket-dat/bracket-dat.md
| ... | ... | @@ -0,0 +1,8 @@ |
| 1 | + |
|
| 2 | +# bracket-dat |
|
| 3 | + |
|
| 4 | +## Angle bracket / Corner bracket / L-bracket / Angle iron |
|
| 5 | + |
|
| 6 | +Corner Bracket |
|
| 7 | + |
|
| 8 | + |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/crank-dat/2025-12-10-02-07-07.png
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fab-mechanics-dat/mechanical-parts-dat/crank-dat/2026-01-09-02-20-38.png
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fab-mechanics-dat/mechanical-parts-dat/crank-dat/crank-dat.md
| ... | ... | @@ -0,0 +1,16 @@ |
| 1 | + |
|
| 2 | +# crank-dat |
|
| 3 | + |
|
| 4 | +- [[bicycle-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## crank |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +## ref |
|
| 15 | + |
|
| 16 | +- [[crank]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/damper-dat/2025-11-30-01-57-38.png
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fab-mechanics-dat/mechanical-parts-dat/damper-dat/damper-dat.md
| ... | ... | @@ -0,0 +1,50 @@ |
| 1 | + |
|
| 2 | +# damper-dat |
|
| 3 | + |
|
| 4 | +- [[damping-dat]] |
|
| 5 | + |
|
| 6 | +damper is a mechanical device that resists motion via viscous friction. It is used to reduce vibrations, shocks, and oscillations in mechanical systems. |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## Friction / Viscous Damper |
|
| 10 | + |
|
| 11 | +### damper linear |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +### damper ball-round |
|
| 16 | + |
|
| 17 | +### damper 转盘 |
|
| 18 | + |
|
| 19 | + |
|
| 20 | +## Hydraulic Damper / Shock Absorber 液压 damper linear |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | +## Spring-Damper / Rubber Buffer |
|
| 29 | + |
|
| 30 | + |
|
| 31 | +## 气压阻尼件 (Gas Damper / Gas Spring) |
|
| 32 | + |
|
| 33 | +- 气撑 |
|
| 34 | + |
|
| 35 | + |
|
| 36 | +## apps |
|
| 37 | + |
|
| 38 | +门合页 |
|
| 39 | + |
|
| 40 | + |
|
| 41 | + |
|
| 42 | + |
|
| 43 | + |
|
| 44 | +## ref |
|
| 45 | + |
|
| 46 | +- [[mechanical-parts-dat]] |
|
| 47 | + |
|
| 48 | +- [[force-dat]] |
|
| 49 | + |
|
| 50 | +- [[damper]] - [[mechanical-parts]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/fitting-dat/2026-02-16-12-02-13.png
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fab-mechanics-dat/mechanical-parts-dat/fitting-dat/fitting-dat.md
| ... | ... | @@ -0,0 +1,96 @@ |
| 1 | + |
|
| 2 | +# fitting-dat |
|
| 3 | + |
|
| 4 | +- [[hose-clamp-dat]] - [[fitting-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +### Barbed fitting |
|
| 8 | + |
|
| 9 | +https://www.youtube.com/shorts/hfAoauQJts8 |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +## Fraction to Millimeter Conversion Table |
|
| 16 | + |
|
| 17 | +| Fraction | Decimal | Millimeter (mm) | |
|
| 18 | +| -------- | -------- | --------------- | |
|
| 19 | +| 1/2 | 0.5 | 500 | |
|
| 20 | +| 1/3 | 0.333... | 333.33 | |
|
| 21 | +| 2/3 | 0.666... | 666.67 | |
|
| 22 | +| 1/4 | 0.25 | 250 | |
|
| 23 | +| 3/4 | 0.75 | 750 | |
|
| 24 | +| 1/5 | 0.2 | 200 | |
|
| 25 | +| 2/5 | 0.4 | 400 | |
|
| 26 | +| 3/5 | 0.6 | 600 | |
|
| 27 | +| 4/5 | 0.8 | 800 | |
|
| 28 | +| 1/6 | 0.166... | 166.67 | |
|
| 29 | +| 5/6 | 0.833... | 833.33 | |
|
| 30 | +| 1/8 | 0.125 | 125 | |
|
| 31 | +| 3/8 | 0.375 | 375 | |
|
| 32 | +| 5/8 | 0.625 | 625 | |
|
| 33 | +| 7/8 | 0.875 | 875 | |
|
| 34 | +| 1/9 | 0.111... | 111.11 | |
|
| 35 | + |
|
| 36 | + |
|
| 37 | +### Method A — Barbed Fitting (Most Common) |
|
| 38 | +Barbed fittings grip tubing using ridges. |
|
| 39 | +- **Steps:** |
|
| 40 | + 1. Find a **barbed nozzle adapter** matching the tube’s inner diameter (ID 6 mm). |
|
| 41 | + 2. Push the tube onto the barb until it fully covers the ridges. |
|
| 42 | + 3. Optionally add a **hose clamp** for extra security. |
|
| 43 | +- **Advantages:** Simple, reliable for pressure under ~2–3 bar. |
|
| 44 | + |
|
| 45 | +**Example:** |
|
| 46 | +For ID 6 mm tubing, use a **6 mm barbed nozzle adapter**. |
|
| 47 | + |
|
| 48 | +--- |
|
| 49 | + |
|
| 50 | +### Method B — Compression Fitting |
|
| 51 | +Compression fittings create a tight seal without clamps. |
|
| 52 | +- **Steps:** |
|
| 53 | + 1. Insert the tube into the fitting. |
|
| 54 | + 2. Tighten the compression nut to seal. |
|
| 55 | +- **Advantages:** Good for high pressure, removable. |
|
| 56 | +- **Disadvantages:** Requires matching fitting size and nut. |
|
| 57 | + |
|
| 58 | +--- |
|
| 59 | + |
|
| 60 | +### Method C — Threaded Adapter with Tube Connector |
|
| 61 | +If the nozzle has a threaded output: |
|
| 62 | +- Use a **threaded adapter**. |
|
| 63 | +- Attach a **barbed or compression fitting**. |
|
| 64 | +- Attach tubing. |
|
| 65 | + |
|
| 66 | +--- |
|
| 67 | + |
|
| 68 | +### Method D — Quick-Connect Fittings |
|
| 69 | +Useful if frequent disconnection is needed. |
|
| 70 | +- **Steps:** Push the tube into a quick-connect nozzle adapter until it clicks. |
|
| 71 | +- **Advantages:** Fast connection/disconnection. |
|
| 72 | + |
|
| 73 | +--- |
|
| 74 | + |
|
| 75 | +## 3. Extra Tips |
|
| 76 | +- Match **ID 6 mm** for the fitting/barb size for an OD 8 mm, ID 6 mm tube. |
|
| 77 | +- Use a **hose clamp** for high pressure or vibration. |
|
| 78 | +- Lubricate the tube end with a small amount of water or silicone grease to make fitting easier. |
|
| 79 | +- Cut tubing squarely for a tight seal. |
|
| 80 | + |
|
| 81 | +--- |
|
| 82 | + |
|
| 83 | +**Summary Table:** |
|
| 84 | + |
|
| 85 | +| Method | Pros | Cons | |
|
| 86 | +| ------------- | -------------------------------- | ---------------------------------- | |
|
| 87 | +| Barbed | Simple, reliable, inexpensive | Needs hose clamp for high pressure | |
|
| 88 | +| Compression | High pressure capable, removable | Requires fitting & nut | |
|
| 89 | +| Threaded | Versatile | Needs adapter | |
|
| 90 | +| Quick-Connect | Fast disconnection | Higher cost | |
|
| 91 | + |
|
| 92 | + |
|
| 93 | + |
|
| 94 | +## common tube fitting |
|
| 95 | + |
|
| 96 | + |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-parts-dat/fitting-dat/hose-clamp-dat/hose-clamp-dat.md
| ... | ... | @@ -0,0 +1,47 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# hose-clamp-dat |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[shaft-limit-ring-dat]] - [[hose-clamp-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +- [[hose-clamp-dat]] - [[fitting-dat]] |
|
| 10 | + |
|
| 11 | +- [[camera-installation-dat]] - [[sensor-camera-dat]] - [[Hose-Clamp-dat]] |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +## specs |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +12宽十字抱箍 0-100 304不锈钢 |
|
| 19 | + |
|
| 20 | +12宽十字抱箍 0-200 304不锈钢 |
|
| 21 | + |
|
| 22 | +12宽十字抱箍 0-300 304不锈钢 |
|
| 23 | + |
|
| 24 | +12宽十字抱箍 0-400 304不锈钢 |
|
| 25 | + |
|
| 26 | +12宽十字抱箍0-50 201不锈钢 |
|
| 27 | + |
|
| 28 | +12宽十字抱箍0-100 201不锈钢 |
|
| 29 | + |
|
| 30 | +12宽十字抱箍0-200 201不锈钢 |
|
| 31 | + |
|
| 32 | +12宽十字抱箍0-300 201不锈钢 |
|
| 33 | + |
|
| 34 | +12宽十字抱箍0-400 201不锈钢 |
|
| 35 | + |
|
| 36 | +12宽十字抱箍0-500 201不锈钢 |
|
| 37 | + |
|
| 38 | +14宽抱箍0-100 304不锈钢 |
|
| 39 | + |
|
| 40 | +14宽抱箍0-200 304不锈钢 |
|
| 41 | + |
|
| 42 | +14宽抱箍0-300 304不锈钢 |
|
| 43 | + |
|
| 44 | +14宽抱箍0-400 304不锈钢 |
|
| 45 | + |
|
| 46 | +## ref |
|
| 47 | + |
fab-mechanics-dat/mechanical-parts-dat/flange-dat/2025-06-07-13-12-02.png
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fab-mechanics-dat/mechanical-parts-dat/flange-dat/flange-dat.md
| ... | ... | @@ -0,0 +1,66 @@ |
| 1 | + |
|
| 2 | +# flange-dat.md |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +flange with [[Motor-reduction-Gear-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +A flange is a protruding rim, lip, or ridge used for various purposes, including fixing, strengthening, guiding, or connecting. It can be a flat surface sticking out from an object, or a decorative edge on clothing. |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +## shaft coupling flange set == set-screw flange |
|
| 16 | + |
|
| 17 | +The image shows a shaft coupling flange set, typically used to connect a motor shaft to a wheel, gear, or other rotating component. The screw part in this flange assembly refers to the grub screws (set screws) shown next to the hex key (Allen wrench). |
|
| 18 | + |
|
| 19 | +Breakdown of the parts: |
|
| 20 | + |
|
| 21 | +**Grub screws (set screws):** |
|
| 22 | +These are the small black screws included in the image. They are inserted into the threaded side holes of the flange (visible on the cylindrical hub) to secure the shaft in place. |
|
| 23 | + |
|
| 24 | +Function: |
|
| 25 | + |
|
| 26 | +Once the shaft is inserted into the flange's central hole, the grub screws are tightened using the included hex key to clamp the shaft securely, preventing it from slipping. |
|
| 27 | + |
|
| 28 | +These components are commonly used in RC cars, robotics, CNC machines, and 3D printers for coupling motors to shafts or wheels. |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | + |
|
| 33 | +### set-screw flange for 100KG motor |
|
| 34 | + |
|
| 35 | +NO, a basic set-screw flange on an 8mm shaft is not recommended to handle 100 kg load especially under torque or dynamic conditions. |
|
| 36 | + |
|
| 37 | +Consider: |
|
| 38 | + |
|
| 39 | +- A larger diameter shaft (12–16mm) |
|
| 40 | +- Clamping flanges |
|
| 41 | +- Keyed shafts |
|
| 42 | +- Stronger materials |
|
| 43 | +- Proper bearing support |
|
| 44 | + |
|
| 45 | +## Clamping Flange |
|
| 46 | + |
|
| 47 | + |
|
| 48 | + |
|
| 49 | + |
|
| 50 | + |
|
| 51 | + |
|
| 52 | + |
|
| 53 | + |
|
| 54 | +## keyed flange |
|
| 55 | + |
|
| 56 | +## Options selection |
|
| 57 | + |
|
| 58 | +If possible, use a clamping flange — it’s safer, more secure, and better for D-shafts and higher loads. |
|
| 59 | + |
|
| 60 | +If you already have a set screw flange (like in your image), it can work, especially on a D-shaft, but be extra careful with alignment and torque. |
|
| 61 | + |
|
| 62 | +## ref |
|
| 63 | + |
|
| 64 | +-[[motor-shaft]] |
|
| 65 | + |
|
| 66 | +- [[flange]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/gear-dat/2026-03-01-00-53-41.png
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fab-mechanics-dat/mechanical-parts-dat/gear-dat/gear-bevel-dat/gear-bevel-dat.md
| ... | ... | @@ -0,0 +1,13 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# gear-bevel-dat |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[robot-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +## app |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +- [[robotic-dat]] - [[robotic-joint-dat]] - [[gear-bevel-dat]] |
fab-mechanics-dat/mechanical-parts-dat/gear-dat/gear-dat.md
| ... | ... | @@ -0,0 +1,92 @@ |
| 1 | + |
|
| 2 | +# gear-dat |
|
| 3 | + |
|
| 4 | +- [[gear-dat]] - [[gearbox-dat]] |
|
| 5 | + |
|
| 6 | +- [[RPM-dat]] - [[physics-dat]] - [[gear-dat]] - [[Sprocket-dat]] - [[wheel-dat]] |
|
| 7 | + |
|
| 8 | +- [[chain-dat]] |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +## gear ratio |
|
| 12 | + |
|
| 13 | +To get a 1:5 ratio, the wheel gear must be 5 times larger than the motor gear. |
|
| 14 | + |
|
| 15 | +Common Combinations: |
|
| 16 | + |
|
| 17 | +- 9-tooth motor sprocket $\rightarrow$ 45-tooth wheel sprocket. |
|
| 18 | +- 10-tooth motor sprocket $\rightarrow$ 50-tooth wheel sprocket. |
|
| 19 | +- 11-tooth motor sprocket $\rightarrow$ 55-tooth wheel sprocket. |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +## Small Wheel Bicycle Drivetrain Specifications (12" - 16") |
|
| 24 | + |
|
| 25 | +For small-diameter wheels, the gear ratio is designed to balance pedaling effort with the shorter distance traveled per wheel revolution. Most bikes in this category use a **Single-Speed Freewheel** system. |
|
| 26 | + |
|
| 27 | +--- |
|
| 28 | + |
|
| 29 | +#### 1. Typical Tooth Counts by Wheel Size |
|
| 30 | + |
|
| 31 | +| Wheel Size | Front Chainring (Teeth) | Rear Cog (Teeth) | Gear Ratio | Purpose | |
|
| 32 | +| :---------- | :---------------------- | :--------------- | :---------- | :-------------------------------------- | |
|
| 33 | +| **12-inch** | **24T - 26T** | **16T** | 1.50 - 1.62 | Maximum torque for toddlers/beginners. | |
|
| 34 | +| **14-inch** | **28T** | **16T** | 1.75 | Balanced ratio for neighborhood riding. | |
|
| 35 | +| **16-inch** | **28T - 32T** | **16T or 18T** | 1.77 - 2.00 | Higher top speed for older children. | |
|
| 36 | + |
|
| 37 | +--- |
|
| 38 | + |
|
| 39 | +#### 2. Component Anatomy |
|
| 40 | + |
|
| 41 | + |
|
| 42 | + |
|
| 43 | +* **The Rear Cog (The Driven Sprocket):** * **Standard Size:** 16T is the industry default. |
|
| 44 | + * **Thread Type:** Most use a standard 1.375" x 24 TPI (Threads Per Inch) interface, allowing you to swap cogs easily. |
|
| 45 | +* **The Front Chainring (The Drive Sprocket):** * Larger wheels require more teeth on the front to prevent "ghost pedaling" (where the legs move too fast for the speed of the bike). |
|
| 46 | +* **The Chain:** * Standard small bikes use a **1/2" x 1/8"** chain (wider than multi-speed chains). |
|
| 47 | + |
|
| 48 | + |
|
| 49 | + |
|
| 50 | +## bicycle gear |
|
| 51 | + |
|
| 52 | + |
|
| 53 | +| Feature | Freewheel (Old Standard/Budget) | Cassette (Modern/Performance) | |
|
| 54 | +| :---------------- | :--------------------------------------------------- | :------------------------------------------------ | |
|
| 55 | +| **Mounting** | Screws onto threads on the hub. | Slides onto a splined "freehub" body. | |
|
| 56 | +| **Mechanism** | Ratchet is inside the gear cluster. | Ratchet is built into the hub (freehub). | |
|
| 57 | +| **Replacement** | You replace the gears and ratchet together. | You replace only the gear cluster. | |
|
| 58 | +| **Axle Strength** | Higher risk of bent axles (bearings are further in). | Lower risk (bearings are positioned further out). | |
|
| 59 | + |
|
| 60 | + |
|
| 61 | + |
|
| 62 | +| Feature | **Freewheel (Live Flywheel)** | **Fixed Gear (Dead Flywheel)** | |
|
| 63 | +| :------------------- | :----------------------------------------------------------------- | :-------------------------------------------------------------------- | |
|
| 64 | +| **Coasting** | Can coast; pedals can remain stationary while the bike moves. | Cannot coast; if the wheels are turning, the pedals **must** turn. | |
|
| 65 | +| **Reverse Pedaling** | The pedals spin freely backward without affecting the wheel. | Used to reverse the bike or apply "back-pressure" to slow down/brake. | |
|
| 66 | +| **Mechanical Link** | Connected via a one-way ratcheting mechanism (clutch). | Directly "fixed" or bolted to the hub; no internal moving parts. | |
|
| 67 | +| **Primary Use** | Standard commuter bikes, vintage mountain bikes, most kids' bikes. | Track cycling (velodrome), "Fixie" culture, and some indoor trainers. | |
|
| 68 | + |
|
| 69 | + |
|
| 70 | + |
|
| 71 | + |
|
| 72 | + |
|
| 73 | +## Cassette |
|
| 74 | + |
|
| 75 | + |
|
| 76 | + |
|
| 77 | + |
|
| 78 | + |
|
| 79 | +## Common Freewheel Thread Standards |
|
| 80 | + |
|
| 81 | +| Standard Name | Metric Diameter (Approx.) | Imperial Specification | Common Application | |
|
| 82 | +| :----------------------- | :------------------------ | :--------------------- | :--------------------------------------------------- | |
|
| 83 | +| **Standard ISO/English** | **34.92 mm** | **1.375" x 24 TPI** | **Most bicycles (95%)**; this is the "34mm" you see. | |
|
| 84 | +| **BMX / Metric Small** | **30.00 mm** | **1.181" x 30 TPI** | Small freewheels (under 16 teeth) for BMX. | |
|
| 85 | +| **French Standard** | **34.70 mm** | **M34.7 x 1.0 mm** | Vintage European bikes (now obsolete). | |
|
| 86 | +| **Italian Standard** | **35.00 mm** | **35mm x 24 TPI** | Vintage Italian racing bikes. | |
|
| 87 | + |
|
| 88 | + |
|
| 89 | + |
|
| 90 | +## ref |
|
| 91 | + |
|
| 92 | +- [[motor-dat]] |
|
| ... | ... | \ No newline at end of file |
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| ... | ... | @@ -0,0 +1,37 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | + |
|
| 4 | +# gear-worm-dat |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +A worm gear is a type of gear arrangement in which a screw (the worm) meshes with a gear (the worm wheel). The worm resembles a screw and is typically used to reduce speed and increase torque in mechanical systems. |
|
| 10 | + |
|
| 11 | +Worm gear systems are known for their ability to provide high reduction ratios in a compact space and for their self-locking capability, meaning the gear cannot easily drive the worm back. |
|
| 12 | + |
|
| 13 | +- [[servo-dat]] |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | +worm and worm gear |
|
| 22 | + |
|
| 23 | +## apps |
|
| 24 | + |
|
| 25 | +lifter |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | + |
|
| 33 | + |
|
| 34 | + |
|
| 35 | +## ref |
|
| 36 | + |
|
| 37 | +- [[gear-dat]] - [[gear-worm-dat]] - [[gearbox-dat]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-parts-dat/gear-dat/gearbox-dat/gearbox-dat.md
| ... | ... | @@ -0,0 +1,131 @@ |
| 1 | + |
|
| 2 | +# gearbox-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +- [[gear-dat]] - [[gear-worm-dat]] - [[gearbox-dat]] |
|
| 8 | + |
|
| 9 | +- [[gear-dat]] - [[gearbox-dat]] |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +## type of gearbox |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +- [[motor-servo-dat]] - [[gearbox-dat]] == - [[SG90-dat]] |
|
| 17 | + |
|
| 18 | + |
|
| 19 | +### Planetary Gearbox: |
|
| 20 | + |
|
| 21 | +These are highly efficient and keep the output shaft in line with the motor shaft. They are great for high-torque applications like robotics or electric vehicles. |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | + |
|
| 30 | +outter gear == "sun" gear |
|
| 31 | + |
|
| 32 | +inner gear == "Clutch" gear |
|
| 33 | + |
|
| 34 | +- [[wheel-dat]] - [[wheel-hub-dat]] - [[gearbox-dat]] inside |
|
| 35 | + |
|
| 36 | + |
|
| 37 | + |
|
| 38 | + |
|
| 39 | + |
|
| 40 | + |
|
| 41 | + |
|
| 42 | +inner and outter pair |
|
| 43 | + |
|
| 44 | + |
|
| 45 | + |
|
| 46 | + |
|
| 47 | +just more nice examples |
|
| 48 | + |
|
| 49 | + |
|
| 50 | + |
|
| 51 | +double planetary gearbox |
|
| 52 | + |
|
| 53 | + |
|
| 54 | + |
|
| 55 | +### Worm Gearbox: |
|
| 56 | + |
|
| 57 | +These provide massive reduction in a small space (e.g., 60:1) and have a "self-locking" feature, meaning the output shaft won't turn unless the motor is spinning. |
|
| 58 | + |
|
| 59 | + |
|
| 60 | + |
|
| 61 | +## common gearbox |
|
| 62 | + |
|
| 63 | + |
|
| 64 | +small size |
|
| 65 | + |
|
| 66 | + |
|
| 67 | + |
|
| 68 | + |
|
| 69 | +ratio 1:1 dimension 50x50x25mm |
|
| 70 | + |
|
| 71 | + |
|
| 72 | + |
|
| 73 | + |
|
| 74 | + |
|
| 75 | + |
|
| 76 | +- [[gearbox-differential-dat]] |
|
| 77 | + |
|
| 78 | +### plate gearbox |
|
| 79 | + |
|
| 80 | +- this specially for motor 5555 - [[metal-dat]] - [[metal-molded-dat]] |
|
| 81 | + |
|
| 82 | + |
|
| 83 | + |
|
| 84 | + |
|
| 85 | +### angular gearbox |
|
| 86 | + |
|
| 87 | +- [[gear-bevel-dat]] |
|
| 88 | + |
|
| 89 | + |
|
| 90 | + |
|
| 91 | + |
|
| 92 | + |
|
| 93 | +## apps |
|
| 94 | + |
|
| 95 | +- [[motor-N20-dat]] - [[Motor-reduction-Gear-dat]] |
|
| 96 | + |
|
| 97 | +- [[motor-TT-dat]] |
|
| 98 | + |
|
| 99 | +RC clawer gearbox |
|
| 100 | + |
|
| 101 | + |
|
| 102 | + |
|
| 103 | + |
|
| 104 | +work with [[motor-stepper-dat]] - [[motor-brushless-dat]] - [[motor-servo-dat]] |
|
| 105 | + |
|
| 106 | + |
|
| 107 | + |
|
| 108 | +meta cutting full metal gears |
|
| 109 | + |
|
| 110 | + |
|
| 111 | + |
|
| 112 | +### gearbox to sprocket |
|
| 113 | + |
|
| 114 | +- [[sprocket-dat]] |
|
| 115 | + |
|
| 116 | + |
|
| 117 | + |
|
| 118 | + |
|
| 119 | + |
|
| 120 | +### gearbox assembly |
|
| 121 | + |
|
| 122 | +- 25:1 |
|
| 123 | +- 37型减速箱 |
|
| 124 | + |
|
| 125 | + |
|
| 126 | + |
|
| 127 | + |
|
| 128 | + |
|
| 129 | +## ref |
|
| 130 | + |
|
| 131 | +- [[gearbox]] - [[mechanism]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/gear-dat/gearbox-dat/gearbox-differential-dat/gearbox-differential-dat.md
| ... | ... | @@ -0,0 +1,64 @@ |
| 1 | + |
|
| 2 | +# gearbox-differential-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +A **differential gearbox (differential)** is a mechanical device that allows **two output shafts to rotate at different speeds while still transmitting torque**. It is widely used in cars, machinery, and robots. |
|
| 7 | + |
|
| 8 | +--- |
|
| 9 | + |
|
| 10 | +### 1. Basic Concept |
|
| 11 | + |
|
| 12 | +- **Function**: |
|
| 13 | + - When a vehicle turns, the left and right wheels travel different distances and must rotate at different speeds. |
|
| 14 | + - The differential allows the wheels to spin at different speeds while still transmitting power. |
|
| 15 | + |
|
| 16 | +- **Why it's needed**: |
|
| 17 | + - Without a differential, wheels would slip, skid, or wear out faster during turns. |
|
| 18 | + |
|
| 19 | +--- |
|
| 20 | + |
|
| 21 | +### 2. Working Principle (Simplified) |
|
| 22 | + |
|
| 23 | +A differential typically has **three main parts**: |
|
| 24 | + |
|
| 25 | +1. **Input / Pinion Gear**: Connects to the engine or motor to transmit power. |
|
| 26 | +2. **Planetary / Spider Gears**: Allow the two output shafts to rotate at different speeds. |
|
| 27 | +3. **Output Shafts / Side Gears**: Connect to the left and right wheels. |
|
| 28 | + |
|
| 29 | +- **When turning**: |
|
| 30 | + - The inner wheel rotates slower, the outer wheel rotates faster. |
|
| 31 | + - The differential automatically adjusts the speed difference between the wheels. |
|
| 32 | + |
|
| 33 | +--- |
|
| 34 | + |
|
| 35 | +### 3. Types of Differentials |
|
| 36 | + |
|
| 37 | +| Type | Features | Application | |
|
| 38 | +|------|----------|-------------| |
|
| 39 | +| Open Differential | Basic type, allows free differential | Standard cars, light vehicles | |
|
| 40 | +| Limited Slip Differential (LSD) | Limits differential when slipping occurs | Off-road vehicles, racing cars | |
|
| 41 | +| Torsen / Planetary Differential | Automatically distributes torque | High-performance cars, AWD vehicles | |
|
| 42 | +| Electronic Differential | Torque distribution controlled electronically | Modern cars, robots | |
|
| 43 | + |
|
| 44 | +--- |
|
| 45 | + |
|
| 46 | +### 4. Use in Robots or Small Vehicles |
|
| 47 | + |
|
| 48 | +- For **4-wheel or 6-wheel independently driven robots**: |
|
| 49 | + - **Electronic differential** can replace mechanical differential. |
|
| 50 | + - Each wheel can be controlled individually to achieve smooth turning. |
|
| 51 | + |
|
| 52 | +--- |
|
| 53 | + |
|
| 54 | +### ✅ Summary |
|
| 55 | + |
|
| 56 | +A differential gearbox is a device that **allows wheels to spin at different speeds while transmitting power**. |
|
| 57 | +- Essential for **turning and preventing wheel slip**. |
|
| 58 | +- Types include **open, limited-slip, Torsen, and electronic differential**. |
|
| 59 | +- In independent motor systems, **software control can replace mechanical differentials**. |
|
| 60 | + |
|
| 61 | + |
|
| 62 | +## ref |
|
| 63 | + |
|
| 64 | +- [[gearbox-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/heatsink-dat/heatsink-dat.md
| ... | ... | @@ -0,0 +1,24 @@ |
| 1 | + |
|
| 2 | +# heatsink-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[PCB-accesories-dat]] |
|
| 6 | + |
|
| 7 | +- [[PMP1013-dat]] - [[PMP1008-dat]] |
|
| 8 | + |
|
| 9 | +- [[PMP1010-dat]] == 11 x 11 mm |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +- Prototype, Mechical Parts, Heat Sink |
|
| 14 | + |
|
| 15 | +Application: Router Heat Sink, CPU Heat Sink |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | +- [[PCB-accesories-dat]] |
|
| 21 | + |
|
| 22 | +## ref |
|
| 23 | + |
|
| 24 | +- [[fab-mechanics-dat]] |
|
| ... | ... | \ No newline at end of file |
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| ... | ... | @@ -0,0 +1,36 @@ |
| 1 | + |
|
| 2 | +# hinge-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[rod-system-dat]] - [[hinge-dat]] - [[rod-tie-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +## info |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +## mini hinge - wing control |
|
| 15 | + |
|
| 16 | +control by - [[servo-dat]] |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | +## crank vs hinge |
|
| 22 | + |
|
| 23 | +| Item | Crank | Connecting Rod | |
|
| 24 | +|-----------------|--------------------------------|-------------------------------------| |
|
| 25 | +| Main Function | Converts rotation to reciprocation (or reverse) | Transmits force between crank and other parts | |
|
| 26 | +| Mounted on Shaft| Yes (must be fixed on a rotating shaft) | No (usually connected by pins/joints) | |
|
| 27 | +| Shape | Short arm with an offset | Long straight rod | |
|
| 28 | +| Role in Mechanism | Driving element (creates motion) | Linking element (passes motion/force) | |
|
| 29 | + |
|
| 30 | +- [[crank-dat]] |
|
| 31 | + |
|
| 32 | +## ref |
|
| 33 | + |
|
| 34 | +- [[hinge]] - [[mechanical-parts]] |
|
| 35 | + |
|
| 36 | +- [[mechanical-parts-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/hook-crane-dat/2026-02-28-23-50-49.png
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fab-mechanics-dat/mechanical-parts-dat/hook-crane-dat/hook-crane-dat.md
| ... | ... | @@ -0,0 +1,12 @@ |
| 1 | + |
|
| 2 | +# hook-crane-dat |
|
| 3 | + |
|
| 4 | +Crane Hook: 起重机吊钩（最常用，指安装在起重机或葫芦上的钩子）。 |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +- [[tube-dat]] |
|
| 9 | + |
|
| 10 | +## ref |
|
| 11 | + |
|
| 12 | +- [[crane-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/joint-dat/2026-01-09-21-28-14.png
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fab-mechanics-dat/mechanical-parts-dat/joint-dat/joint-dat.md
| ... | ... | @@ -0,0 +1,6 @@ |
| 1 | + |
|
| 2 | +# joint-dat |
|
| 3 | + |
|
| 4 | +## joint-universal |
|
| 5 | + |
|
| 6 | + |
fab-mechanics-dat/mechanical-parts-dat/magnet-dat/magnet-dat.md
| ... | ... | @@ -0,0 +1,6 @@ |
| 1 | + |
|
| 2 | +# magnet-dat |
|
| 3 | + |
|
| 4 | +## ref |
|
| 5 | + |
|
| 6 | +- [[magnet]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/mechanical-parts-dat.md
| ... | ... | @@ -0,0 +1,52 @@ |
| 1 | +# mechanical-parts-dat |
|
| 2 | + |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[screw-dat]] |
|
| 7 | + |
|
| 8 | +- [[gear-dat]] - [[bearing-dat]] - [[bracket-dat]] |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +Common standard mechanical parts are roughly divided into: |
|
| 13 | + |
|
| 14 | +Transmission parts (gears, sprockets, couplings) |
|
| 15 | + |
|
| 16 | +Support and positioning parts (pins, sliders, bolts, washers) |
|
| 17 | + |
|
| 18 | +Buffer/Damping parts (springs, dampers, buffer blocks) |
|
| 19 | + |
|
| 20 | +Connecting parts (keys, splines, chains) |
|
| 21 | + |
|
| 22 | +Auxiliary parts (rollers, adjustment screws, circlips) |
|
| 23 | + |
|
| 24 | + |
|
| 25 | +# Comprehensive List of Common Mechanical Standard Parts |
|
| 26 | + |
|
| 27 | +| Type | Function | Common Standard Parts | Usage / Example | Description | |
|
| 28 | +| ------------------------------- | ------------------------------------- | ---------------------------------------- | -------------------------------------------------- | ------------------------------------------------------ | |
|
| 29 | +| **Transmission Parts** | Transmit rotational motion and torque | Gear | Spur gear, helical gear, bevel gear, worm gear | Rotational transmission, change speed/torque direction | |
|
| 30 | +| | | Sprocket / Pulley | Sprocket, timing pulley | Used with chain/belt transmission | |
|
| 31 | +| | | Coupling | Flexible coupling, diaphragm coupling | Connect two shafts, transmit torque | |
|
| 32 | +| | | Universal Joint / Cross Shaft | Universal joint, cross shaft | Change rotation direction | |
|
| 33 | +| **Support & Positioning Parts** | Support rotational or linear motion | Bearing | Ball bearing, roller bearing, plain bearing | Support rotating shaft, reduce friction | |
|
| 34 | +| | | Slider / Rail | Slide rail, linear slider | Support linear motion, precise guidance | |
|
| 35 | +| | | Pin / Pin Shaft | Cylindrical pin, tapered pin | Positioning, support rotating or sliding parts | |
|
| 36 | +| | | Bolt / Nut | Hex bolt, flange nut | Fasten parts | |
|
| 37 | +| | | Washer / Spring Washer | Flat washer, spring washer | Adjust gap, prevent loosening | |
|
| 38 | +| **Buffer / Damping Parts** | Control motion or absorb impact | Buffer Block | Rubber buffer, polyurethane buffer | Absorb impact, limit travel | |
|
| 39 | +| | | Damper | Pneumatic damper, hydraulic damper, rotary damper | Control motion speed, slow movement | |
|
| 40 | +| | | Spring | Compression spring, tension spring, torsion spring | Provide force, reset, or absorb energy | |
|
| 41 | +| **Connecting Parts** | Fix or transmit torque | Key / Keyway | Flat key, half-round key, wedge key | Fix wheel to shaft, transmit torque | |
|
| 42 | +| | | Spline / Internal-External Spline Sleeve | Spline shaft, spline sleeve | High torque transmission | |
|
| 43 | +| | | Chain / Belt | Roller chain, timing belt | Transmit mechanical motion | |
|
| 44 | +| **Auxiliary Parts** | Assist positioning or movement | Roller / Ball Guide | Ball pulley, roller bearing | Reduce friction, guide sliding | |
|
| 45 | +| | | Adjustment Screw | Ejector screw, fine adjustment screw | Fine-tune position or tension | |
|
| 46 | +| | | Locking Device | Set screw, circlip, retaining ring | Fix rotating or moving parts | |
|
| 47 | + |
|
| 48 | +> Note: |
|
| 49 | +> - "Description" is for understanding usage and application scenarios. |
|
| 50 | +> - All of the above are **standard mechanical parts that can be directly purchased**, widely used in robotics, RC models, mechanical equipment, furniture, automobiles, etc. |
|
| 51 | + |
|
| 52 | +- [[Pneumatic-cylinder-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/nail-dat/nail-dat.md
| ... | ... | @@ -0,0 +1,11 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# nail-dat |
|
| 4 | + |
|
| 5 | +- [[nail-dat]] - [[screw-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +## ref |
|
| 11 | + |
fab-mechanics-dat/mechanical-parts-dat/rack-dat/2025-10-23-19-52-10.png
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fab-mechanics-dat/mechanical-parts-dat/rack-dat/rack-dat.md
| ... | ... | @@ -0,0 +1,27 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# rack-dat |
|
| 4 | + |
|
| 5 | +## metal hand-like rack |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +## flexible rack |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +## ball rack |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +## plastic enclosure |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | +## ref |
|
| 26 | + |
|
| 27 | +- [[rack]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/screw-dat/2025-03-07-17-10-00.png
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fab-mechanics-dat/mechanical-parts-dat/screw-dat/Heat-Set-Insert-dat/Heat-Set-Insert-dat.md
| ... | ... | @@ -0,0 +1,787 @@ |
| 1 | + |
|
| 2 | +# Heat-Set-Insert-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +- [[nut-dat]] |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +# Insert-Heat-set-threaded-dat |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +- [[Insert-Heat-set-threaded-dat]] |
|
| 19 | + |
|
| 20 | +## Recommended Heat-Set Brass Insert Sizes (M4) |
|
| 21 | + |
|
| 22 | +Assumptions: |
|
| 23 | +- Common thermoplastics (ABS / PETG / PA) |
|
| 24 | +- Goal: balanced pull-out & torque strength |
|
| 25 | +- Rule: insert length ≈ 80–90% of sheet thickness |
|
| 26 | + |
|
| 27 | +| Sheet Thickness | Recommended Insert Length | Recommended OD Range | Notes | |
|
| 28 | +|-----------------|--------------------------|----------------------|-------| |
|
| 29 | +| 4 mm | 3.0 – 3.5 mm | 6.0 – 6.6 mm | Thin sheet → limit OD | |
|
| 30 | +| 5 mm | 4.0 – 4.5 mm | 6.6 – 7.2 mm | Typical standard | |
|
| 31 | +| 6 mm | 5.0 – 5.5 mm | 7.0 – 7.8 mm | High strength | |
|
| 32 | + |
|
| 33 | +- M4*3*6【20个】 |
|
| 34 | +- M4*4*6【20个】 |
|
| 35 | +- M4*5*6【20个】 |
|
| 36 | +- M4*5.5*6【20个】 |
|
| 37 | + |
|
| 38 | + |
|
| 39 | +## Recommended Heat-Set Brass Insert Sizes (M3) |
|
| 40 | + |
|
| 41 | +Assumptions: |
|
| 42 | +- Common thermoplastics (ABS / PETG / PA) |
|
| 43 | +- Goal: balanced pull-out & torque strength |
|
| 44 | +- Rule: insert length ≈ 80–90% of sheet thickness |
|
| 45 | + |
|
| 46 | +| Sheet Thickness | Recommended Insert Length | Recommended OD Range | Notes | |
|
| 47 | +| --------------- | ------------------------- | -------------------- | ---------------------- | |
|
| 48 | +| 4 mm | 3.0 – 3.5 mm | 4.4 – 4.8 mm | Avoid OD > 5.0 mm | |
|
| 49 | +| 5 mm | 4.0 – 4.5 mm | 4.8 – 5.4 mm | Best balance | |
|
| 50 | +| 6 mm | 5.0 – 5.5 mm | 5.2 – 6.0 mm | High pull-out strength | |
|
| 51 | + |
|
| 52 | + |
|
| 53 | + |
|
| 54 | +## M3 Insert Specifications |
|
| 55 | + |
|
| 56 | +| Thread Size | L | OD | | |
|
| 57 | +| ----------- | ---- | --- | -------- | |
|
| 58 | +| M3 | 2.5 | 4.0 | | |
|
| 59 | +| M3 | 3.0 | 4.0 | | |
|
| 60 | +| M3 | 3.5 | 4.0 | | |
|
| 61 | +| M3 | 4.0 | 4.0 | | |
|
| 62 | +| M3 | 4.5 | 4.0 | | |
|
| 63 | +| M3 | 5.0 | 4.0 | | |
|
| 64 | +| M3 | 5.5 | 4.0 | | |
|
| 65 | +| M3 | 6.0 | 4.0 | | |
|
| 66 | +| M3 | 7.0 | 4.0 | | |
|
| 67 | +| M3 | 8.0 | 4.0 | | |
|
| 68 | +| M3 | 9.0 | 4.0 | | |
|
| 69 | +| M3 | 10.0 | 4.0 | | |
|
| 70 | +| M3 | 3.0 | 4.2 | | |
|
| 71 | +| M3 | 4.0 | 4.2 | | |
|
| 72 | +| M3 | 5.0 | 4.2 | | |
|
| 73 | +| M3 | 6.0 | 4.2 | | |
|
| 74 | +| M3 | 7.0 | 4.2 | | |
|
| 75 | +| M3 | 8.0 | 4.2 | | |
|
| 76 | +| M3 | 9.0 | 4.2 | | |
|
| 77 | +| M3 | 10.0 | 4.2 | | |
|
| 78 | +| M3 | 3.0 | 4.5 | | |
|
| 79 | +| M3 | 3.5 | 4.5 | M4 sheet | |
|
| 80 | +| M3 | 3.6 | 4.5 | | |
|
| 81 | +| M3 | 4.0 | 4.5 | | |
|
| 82 | +| M3 | 4.5 | 4.5 | | |
|
| 83 | +| M3 | 5.0 | 4.5 | | |
|
| 84 | +| M3 | 6.0 | 4.5 | | |
|
| 85 | +| M3 | 7.0 | 4.5 | | |
|
| 86 | +| M3 | 8.0 | 4.5 | | |
|
| 87 | +| M3 | 9.0 | 4.5 | | |
|
| 88 | +| M3 | 10.0 | 4.5 | | |
|
| 89 | +| M3 | 12.0 | 4.5 | | |
|
| 90 | +| M3 | 3.0 | 4.6 | | |
|
| 91 | +| M3 | 3.5 | 4.6 | | |
|
| 92 | +| M3 | 4.0 | 4.6 | | |
|
| 93 | +| M3 | 4.5 | 4.6 | | |
|
| 94 | +| M3 | 5.0 | 4.6 | | |
|
| 95 | +| M3 | 5.5 | 4.6 | | |
|
| 96 | +| M3 | 5.7 | 4.6 | | |
|
| 97 | +| M3 | 6.0 | 4.6 | | |
|
| 98 | +| M3 | 7.0 | 4.6 | | |
|
| 99 | +| M3 | 8.0 | 4.6 | | |
|
| 100 | +| M3 | 9.0 | 4.6 | | |
|
| 101 | +| M3 | 10.0 | 4.6 | | |
|
| 102 | +| M3 | 3.0 | 5.0 | | |
|
| 103 | +| M3 | 3.5 | 5.0 | | |
|
| 104 | +| M3 | 4.0 | 5.0 | | |
|
| 105 | +| M3 | 4.5 | 5.0 | M5 sheet | |
|
| 106 | +| M3 | 5.0 | 5.0 | | |
|
| 107 | +| M3 | 5.5 | 5.0 | M6 sheet | |
|
| 108 | +| M3 | 6.0 | 5.0 | | |
|
| 109 | +| M3 | 6.5 | 5.0 | | |
|
| 110 | +| M3 | 7.0 | 5.0 | | |
|
| 111 | +| M3 | 7.5 | 5.0 | | |
|
| 112 | +| M3 | 8.0 | 5.0 | | |
|
| 113 | +| M3 | 9.0 | 5.0 | | |
|
| 114 | +| M3 | 10.0 | 5.0 | | |
|
| 115 | +| M3 | 12.0 | 5.0 | | |
|
| 116 | +| M3 | 4.0 | 5.5 | | |
|
| 117 | +| M3 | 5.0 | 5.5 | | |
|
| 118 | +| M3 | 6.0 | 5.5 | | |
|
| 119 | +| M3 | 8.0 | 5.5 | | |
|
| 120 | + |
|
| 121 | +## Installation Guidelines |
|
| 122 | + |
|
| 123 | +- **Recommended Hole Size**: For M3 inserts, typically use 4.0-4.5mm pilot hole (varies by outer diameter) |
|
| 124 | +- **Installation Method**: Heat the insert with a soldering iron and press into the pre-drilled hole |
|
| 125 | +- **Material**: Best used with plastics (ABS, PLA, PETG, Nylon, etc.) |
|
| 126 | +- **Temperature**: 200-250°C for most plastics |
|
| 127 | + |
|
| 128 | + |
|
| 129 | + |
|
| 130 | +## OD |
|
| 131 | + |
|
| 132 | +a larger OD (outer diameter) generally gives higher strength for a heat-set brass threaded insert, but only up to a limit, especially when the sheet thickness is fixed. |
|
| 133 | + |
|
| 134 | +Below is a clear engineering-style explanation 👇 |
|
| 135 | + |
|
| 136 | +1. Why bigger OD helps (in theory) |
|
| 137 | + |
|
| 138 | +When sheet thickness is fixed, increasing insert OD: |
|
| 139 | + |
|
| 140 | +✔ Increases contact surface area with plastic |
|
| 141 | + |
|
| 142 | +✔ Increases shear area → better pull-out resistance |
|
| 143 | + |
|
| 144 | +✔ Reduces stress concentration around the insert |
|
| 145 | + |
|
| 146 | +✔ Improves torque resistance (anti-spin) |
|
| 147 | + |
|
| 148 | +So pull-out strength and torque strength both improve as OD increases. |
|
| 149 | + |
|
| 150 | +2. The practical limit (very important) |
|
| 151 | + |
|
| 152 | +When the sheet is thin, too large an OD becomes counter-productive. |
|
| 153 | + |
|
| 154 | +Problems if OD is too large: |
|
| 155 | + |
|
| 156 | +❌ Insufficient plastic wall thickness |
|
| 157 | + |
|
| 158 | +❌ Plastic may: |
|
| 159 | + |
|
| 160 | +Bulge |
|
| 161 | + |
|
| 162 | +Crack |
|
| 163 | + |
|
| 164 | +Weaken due to overheating |
|
| 165 | + |
|
| 166 | +❌ Insert may print through or distort the sheet |
|
| 167 | + |
|
| 168 | +❌ Strength plateaus or even drops |
|
| 169 | + |
|
| 170 | +3. Key rule of thumb (industry practice) |
|
| 171 | + |
|
| 172 | +For thermoplastics (ABS, PETG, PA, PC): |
|
| 173 | + |
|
| 174 | + Minimum plastic wall thickness ≥ 0.5 × insert OD |
|
| 175 | + |
|
| 176 | + |
|
| 177 | +And for sheet thickness: |
|
| 178 | + |
|
| 179 | + Insert length ≤ 0.8–0.9 × sheet thickness |
|
| 180 | + |
|
| 181 | + |
|
| 182 | +If you violate either rule, increasing OD does NOT improve strength. |
|
| 183 | + |
|
| 184 | +## Best strength strategy when thickness is fixed |
|
| 185 | + |
|
| 186 | +If sheet thickness cannot change: |
|
| 187 | + |
|
| 188 | +Priority order for strength improvement |
|
| 189 | + |
|
| 190 | +- Correct insert length (close to sheet thickness) |
|
| 191 | +- Knurled / helical / diamond OD geometry |
|
| 192 | +- Proper hole diameter (not oversized) |
|
| 193 | +- Controlled heating temperature |
|
| 194 | +- Then increase OD — only within wall-thickness limits |
|
| 195 | + |
|
| 196 | + |
|
| 197 | + |
|
| 198 | + |
|
| 199 | + |
|
| 200 | +## specs |
|
| 201 | + |
|
| 202 | +M1*1.5*2【50个】 |
|
| 203 | + |
|
| 204 | +M1*1.8*2【50个】 |
|
| 205 | + |
|
| 206 | +M1*2*2【50个】 |
|
| 207 | + |
|
| 208 | +M1*2.5*2【50个】 |
|
| 209 | + |
|
| 210 | +M1.2*1.5*2【50个】 |
|
| 211 | + |
|
| 212 | +M1.2*1.8*2【50个】 |
|
| 213 | + |
|
| 214 | +M1.2*2*2【50个】 |
|
| 215 | + |
|
| 216 | +M1.2*2.5*2【50个】 |
|
| 217 | + |
|
| 218 | +M1.2*3*2【50个】 |
|
| 219 | + |
|
| 220 | +M1.4*1.5*2.3【50个】 |
|
| 221 | + |
|
| 222 | +M1.4*2*2.3【50个】 |
|
| 223 | + |
|
| 224 | +M1.4*2.5*2.3【50个】 |
|
| 225 | + |
|
| 226 | +M1.4*3*2.3【50个】 |
|
| 227 | + |
|
| 228 | +M1.4*1.8*2.3【50个】 |
|
| 229 | + |
|
| 230 | +M1.4*4*2.3【50个】 |
|
| 231 | + |
|
| 232 | +M1.4*2.3*2.3【50个】 |
|
| 233 | + |
|
| 234 | +M1.4*5*2.3【50个】 |
|
| 235 | + |
|
| 236 | +M1.4*6*2.3【50个】 |
|
| 237 | + |
|
| 238 | +M1.6*2*2.5【50个】 |
|
| 239 | + |
|
| 240 | +M1.6*2.5*2.5【50个】 |
|
| 241 | + |
|
| 242 | +M1.6*3*2.5【50个】 |
|
| 243 | + |
|
| 244 | +M1.6*4*2.5【50个】 |
|
| 245 | + |
|
| 246 | +M1.6*5*2.5【50个】 |
|
| 247 | + |
|
| 248 | +M1.6*6*2.5【50个】 |
|
| 249 | + |
|
| 250 | +M1.7*2*2.5【50个】 |
|
| 251 | + |
|
| 252 | +M1.7*2.5*2.5【50个】 |
|
| 253 | + |
|
| 254 | +M1.7*3*2.5【50个】 |
|
| 255 | + |
|
| 256 | +M1.7*4*2.5【50个】 |
|
| 257 | + |
|
| 258 | +M1.7*5*2.5【50个】 |
|
| 259 | + |
|
| 260 | +M1.7*6*2.5【50个】 |
|
| 261 | + |
|
| 262 | +M2*2*3【50个】 |
|
| 263 | + |
|
| 264 | +M2*2.5*3【50个】 |
|
| 265 | + |
|
| 266 | +M2*3*3【50个】 |
|
| 267 | + |
|
| 268 | +M2*3.5*3【50个】 |
|
| 269 | + |
|
| 270 | +M2*4*3【50个】 |
|
| 271 | + |
|
| 272 | +M2*4.5*3【50个】 |
|
| 273 | + |
|
| 274 | +M2*5*3【50个】 |
|
| 275 | + |
|
| 276 | +M2*6*3【50个】 |
|
| 277 | + |
|
| 278 | +M2*2*3.2【50个】 |
|
| 279 | + |
|
| 280 | +M2*2.5*3.2【50个】 |
|
| 281 | + |
|
| 282 | +M2*3*3.2【50个】 |
|
| 283 | + |
|
| 284 | +M2*3.6*3.2【50个】 |
|
| 285 | + |
|
| 286 | +M2*4*3.2【50个】 |
|
| 287 | + |
|
| 288 | +M2*5*3.2【50个】 |
|
| 289 | + |
|
| 290 | +M2*6*3.2【20个】 |
|
| 291 | + |
|
| 292 | +M2*8*3.2【50个】 |
|
| 293 | + |
|
| 294 | +M2*3.5*3.2【50个】 |
|
| 295 | + |
|
| 296 | +M2*10*3.2【20个】 |
|
| 297 | + |
|
| 298 | +M2*2*3.5【50个】 |
|
| 299 | + |
|
| 300 | +M2*2.5*3.5【50个】 |
|
| 301 | + |
|
| 302 | +M2*3*3.5【50个】 |
|
| 303 | + |
|
| 304 | +M2*3.5*3.5【50个】 |
|
| 305 | + |
|
| 306 | +M2*4*3.5【50个】 |
|
| 307 | + |
|
| 308 | +M2*4.5*3.5【50个】 |
|
| 309 | + |
|
| 310 | +M2*5*3.5【50个】 |
|
| 311 | + |
|
| 312 | +M2*5.5*3.5【20个】 |
|
| 313 | + |
|
| 314 | +M2*6*3.5【20个】 |
|
| 315 | + |
|
| 316 | +M2*7*3.5【20个】 |
|
| 317 | + |
|
| 318 | +M2*8*3.5【20个】 |
|
| 319 | + |
|
| 320 | +M2*9*3.5【20个】 |
|
| 321 | + |
|
| 322 | +M2*10*3.5【10个】 |
|
| 323 | + |
|
| 324 | +M2*2*4【50个】 |
|
| 325 | + |
|
| 326 | +M2*3*4【50个】 |
|
| 327 | + |
|
| 328 | +M2*4*4【50个】 |
|
| 329 | + |
|
| 330 | +M2*5*4【20个】 |
|
| 331 | + |
|
| 332 | +M2*6*4【20个】 |
|
| 333 | + |
|
| 334 | +M2*8*4【20个】 |
|
| 335 | + |
|
| 336 | +M2.5*2*3.5【50个】 |
|
| 337 | + |
|
| 338 | +M2.5*2.5*3.5【50个】 |
|
| 339 | + |
|
| 340 | +M2.5*3*3.5【50个】 |
|
| 341 | + |
|
| 342 | +M2.5*3.5*3.5【50个】 |
|
| 343 | + |
|
| 344 | +M2.5*4*3.5【50个】 |
|
| 345 | + |
|
| 346 | +M2.5*4.5*3.5【50个】 |
|
| 347 | + |
|
| 348 | +M2.5*5*3.5【50个】 |
|
| 349 | + |
|
| 350 | +M2.5*5.5*3.5【50个】 |
|
| 351 | + |
|
| 352 | +M2.5*6*3.5【20个】 |
|
| 353 | + |
|
| 354 | +M2.5*8*3.5【20个】 |
|
| 355 | + |
|
| 356 | +M2.5*7*3.5【20个】 |
|
| 357 | + |
|
| 358 | +M2.5*10*3.5【20个】 |
|
| 359 | + |
|
| 360 | +M2.5*3*4【50个】 |
|
| 361 | + |
|
| 362 | +M2.5*3.5*4【50个】 |
|
| 363 | + |
|
| 364 | +M2.5*4*4【50个】 |
|
| 365 | + |
|
| 366 | +M2.5*5*4【20个】 |
|
| 367 | + |
|
| 368 | +M2.5*6*4【20个】 |
|
| 369 | + |
|
| 370 | +M2.5*8*4【20个】 |
|
| 371 | + |
|
| 372 | +M2.5*10*4【20个】 |
|
| 373 | + |
|
| 374 | +M2.5*4*4.5【20个】 |
|
| 375 | + |
|
| 376 | +M2.5*5*4.5【20个】 |
|
| 377 | + |
|
| 378 | +M2.5*6*4.5【20个】 |
|
| 379 | + |
|
| 380 | +M2.5*8*4.5【20个】 |
|
| 381 | + |
|
| 382 | +M3*2.5*4【50个】 |
|
| 383 | + |
|
| 384 | +M3*3*4【50个】 |
|
| 385 | + |
|
| 386 | +M3*3.5*4【50个】 |
|
| 387 | + |
|
| 388 | +M3*4*4【50个】 |
|
| 389 | + |
|
| 390 | +M3*4.5*4【50个】 |
|
| 391 | + |
|
| 392 | +M3*5*4【50个】 |
|
| 393 | + |
|
| 394 | +M3*5.5*4【20个】 |
|
| 395 | + |
|
| 396 | +M3*6*4【20个】 |
|
| 397 | + |
|
| 398 | +M3*7*4【20个】 |
|
| 399 | + |
|
| 400 | +M3*8*4【20个】 |
|
| 401 | + |
|
| 402 | +M3*9*4【20个】 |
|
| 403 | + |
|
| 404 | +M3*10*4【20个】 |
|
| 405 | + |
|
| 406 | +M3*3*4.2【50个】 |
|
| 407 | + |
|
| 408 | +M3*4*4.2【50个】 |
|
| 409 | + |
|
| 410 | +M3*5*4.2【50个】 |
|
| 411 | + |
|
| 412 | +M3*6*4.2【20个】 |
|
| 413 | + |
|
| 414 | +M3*7*4.2【20个】 |
|
| 415 | + |
|
| 416 | +M3*8*4.2【20个】 |
|
| 417 | + |
|
| 418 | +M3*9*4.2【20个】 |
|
| 419 | + |
|
| 420 | +M3*10*4.2【20个】 |
|
| 421 | + |
|
| 422 | +M3*3*4.5【50个】 |
|
| 423 | + |
|
| 424 | +M3*3.5*4.5【50个】 |
|
| 425 | + |
|
| 426 | +M3*3.6*4.5【50个】 |
|
| 427 | + |
|
| 428 | +M3*4*4.5【50个】 |
|
| 429 | + |
|
| 430 | +M3*4.5*4.5【20个】 |
|
| 431 | + |
|
| 432 | +M3*5*4.5【20个】 |
|
| 433 | + |
|
| 434 | +M3*6*4.5【20个】 |
|
| 435 | + |
|
| 436 | +M3*7*4.5【20个】 |
|
| 437 | + |
|
| 438 | +M3*8*4.5【20个】 |
|
| 439 | + |
|
| 440 | +M3*9*4.5【10个】 |
|
| 441 | + |
|
| 442 | +M3*10*4.5【10个】 |
|
| 443 | + |
|
| 444 | +M3*12*4.5【10个】 |
|
| 445 | + |
|
| 446 | +M3*3*5【20个】 |
|
| 447 | + |
|
| 448 | +M3*3.5*5【20个】 |
|
| 449 | + |
|
| 450 | +M3*4*5【20个】 |
|
| 451 | + |
|
| 452 | +M3*4.5*5【20个】 |
|
| 453 | + |
|
| 454 | +M3*5*5【20个】 |
|
| 455 | + |
|
| 456 | +M3*5.5*5【20个】 |
|
| 457 | + |
|
| 458 | +M3*6*5【20个】 |
|
| 459 | + |
|
| 460 | +M3*6.5*5【20个】 |
|
| 461 | + |
|
| 462 | +M3*7*5【20个】 |
|
| 463 | + |
|
| 464 | +M3*7.5*5【20个】 |
|
| 465 | + |
|
| 466 | +M3*8*5【20个】 |
|
| 467 | + |
|
| 468 | +M3*9*5【10个】 |
|
| 469 | + |
|
| 470 | +M3*10*5【10个】 |
|
| 471 | + |
|
| 472 | +M3*12*5【10个】 |
|
| 473 | + |
|
| 474 | +M3*3*4.6【20个】 |
|
| 475 | + |
|
| 476 | +M3*3.5*4.6【20个】 |
|
| 477 | + |
|
| 478 | +M3*4*4.6【20个】 |
|
| 479 | + |
|
| 480 | +M3*4.5*4.6【20个】 |
|
| 481 | + |
|
| 482 | +M3*5*4.6【20个】 |
|
| 483 | + |
|
| 484 | +M3*5.5*4.6【20个】 |
|
| 485 | + |
|
| 486 | +M3*5.7*4.6【20个】 |
|
| 487 | + |
|
| 488 | +M3*6*4.6【20个】 |
|
| 489 | + |
|
| 490 | +M3*7*4.6【20个】 |
|
| 491 | + |
|
| 492 | +M3*8*4.6【20个】 |
|
| 493 | + |
|
| 494 | +M3*9*4.6【20个】 |
|
| 495 | + |
|
| 496 | +M3*10*4.6【10个】 |
|
| 497 | + |
|
| 498 | +M3*4*5.5【20个】 |
|
| 499 | + |
|
| 500 | +M3*5*5.5【20个】 |
|
| 501 | + |
|
| 502 | +M3*6*5.5【20个】 |
|
| 503 | + |
|
| 504 | +M3*8*5.5【10个】 |
|
| 505 | + |
|
| 506 | +M4*3*5【20个】 |
|
| 507 | + |
|
| 508 | +M4*4*5【20个】 |
|
| 509 | + |
|
| 510 | +M4*5*5【20个】 |
|
| 511 | + |
|
| 512 | +M4*6*5【20个】 |
|
| 513 | + |
|
| 514 | +M4*7*5【20个】 |
|
| 515 | + |
|
| 516 | +M4*8*5【20个】 |
|
| 517 | + |
|
| 518 | +M4*9*5【10个】 |
|
| 519 | + |
|
| 520 | +M4*10*5【10个】 |
|
| 521 | + |
|
| 522 | +M4*12*5【10个】 |
|
| 523 | + |
|
| 524 | +M4*4*5.5【20个】 |
|
| 525 | + |
|
| 526 | +M4*5*5.5【20个】 |
|
| 527 | + |
|
| 528 | +M4*6*5.5【20个】 |
|
| 529 | + |
|
| 530 | +M4*7*5.5【10个】 |
|
| 531 | + |
|
| 532 | +M4*8*5.5【10个】 |
|
| 533 | + |
|
| 534 | +M4*10*5.5【10个】 |
|
| 535 | + |
|
| 536 | +M4*3*6【20个】 |
|
| 537 | + |
|
| 538 | +M4*4*6【20个】 |
|
| 539 | + |
|
| 540 | +M4*5*6【20个】 |
|
| 541 | + |
|
| 542 | +M4*5.5*6【20个】 |
|
| 543 | + |
|
| 544 | +M4*6*6【20个】 |
|
| 545 | + |
|
| 546 | +M4*6.5*6【10个】 |
|
| 547 | + |
|
| 548 | +M4*7*6【10个】 |
|
| 549 | + |
|
| 550 | +M4*7.5*6【10个】 |
|
| 551 | + |
|
| 552 | +M4*8*6【10个】 |
|
| 553 | + |
|
| 554 | +M4*9*6【10个】 |
|
| 555 | + |
|
| 556 | +M4*10*6【10个】 |
|
| 557 | + |
|
| 558 | +M4*12*6【10个】 |
|
| 559 | + |
|
| 560 | +M4*15*6【5个】 |
|
| 561 | + |
|
| 562 | +M4*8.1*6.3【10个】 |
|
| 563 | + |
|
| 564 | +M4*5*6.5【10个】 |
|
| 565 | + |
|
| 566 | +M4*6*6.5【10个】 |
|
| 567 | + |
|
| 568 | +M4*7*6.5【10个】 |
|
| 569 | + |
|
| 570 | +M4*8*6.5【10个】 |
|
| 571 | + |
|
| 572 | +M4*10*6.5【10个】 |
|
| 573 | + |
|
| 574 | +M4*4*7【10个】 |
|
| 575 | + |
|
| 576 | +M4*5*7【10个】 |
|
| 577 | + |
|
| 578 | +M4*6*7【10个】 |
|
| 579 | + |
|
| 580 | +M4*7*7【10个】 |
|
| 581 | + |
|
| 582 | +M4*8*7【10个】 |
|
| 583 | + |
|
| 584 | +M4*10*7【5个】 |
|
| 585 | + |
|
| 586 | +M4*12*7【5个】 |
|
| 587 | + |
|
| 588 | +M5*4*7【10个】 |
|
| 589 | + |
|
| 590 | +M5*5*7【10个】 |
|
| 591 | + |
|
| 592 | +M5*6*7【10个】 |
|
| 593 | + |
|
| 594 | +M5*6.5*7【10个】 |
|
| 595 | + |
|
| 596 | +M5*7*7【10个】 |
|
| 597 | + |
|
| 598 | +M5*7.5*7【10个】 |
|
| 599 | + |
|
| 600 | +M5*8*7【10个】 |
|
| 601 | + |
|
| 602 | +M5*8.5*7【10个】 |
|
| 603 | + |
|
| 604 | +M5*9*7【10个】 |
|
| 605 | + |
|
| 606 | +M5*9.5*7【10个】 |
|
| 607 | + |
|
| 608 | +M5*10*7【10个】 |
|
| 609 | + |
|
| 610 | +M5*12*7【5个】 |
|
| 611 | + |
|
| 612 | +M5*15*7【5个】 |
|
| 613 | + |
|
| 614 | +M5*5*7.5【10个】 |
|
| 615 | + |
|
| 616 | +M5*6*7.5【10个】 |
|
| 617 | + |
|
| 618 | +M5*7*7.5【10个】 |
|
| 619 | + |
|
| 620 | +M5*8*7.5【10个】 |
|
| 621 | + |
|
| 622 | +M5*9*7.5【10个】 |
|
| 623 | + |
|
| 624 | +M5*10*7.5【10个】 |
|
| 625 | + |
|
| 626 | +M5*12*7.5【10个】 |
|
| 627 | + |
|
| 628 | +M5*5*8【10个】 |
|
| 629 | + |
|
| 630 | +M5*6*8【10个】 |
|
| 631 | + |
|
| 632 | +M5*7*8【5个】 |
|
| 633 | + |
|
| 634 | +M5*8*8【5个】 |
|
| 635 | + |
|
| 636 | +M5*9*8【5个】 |
|
| 637 | + |
|
| 638 | +M5*10*8【5个】 |
|
| 639 | + |
|
| 640 | +M5*12*8【5个】 |
|
| 641 | + |
|
| 642 | +M6*4*8【10个】 |
|
| 643 | + |
|
| 644 | +M6*5*8【10个】 |
|
| 645 | + |
|
| 646 | +M6*6*8【10个】 |
|
| 647 | + |
|
| 648 | +M6*7*8【10个】 |
|
| 649 | + |
|
| 650 | +M6*8*8【10个】 |
|
| 651 | + |
|
| 652 | +M6*9*8【5个】 |
|
| 653 | + |
|
| 654 | +M6*10*8【5个】 |
|
| 655 | + |
|
| 656 | +M6*12*8【5个】 |
|
| 657 | + |
|
| 658 | +M6*15*8【5个】 |
|
| 659 | + |
|
| 660 | +M6*5*9【10个】 |
|
| 661 | + |
|
| 662 | +M6*6*9【10个】 |
|
| 663 | + |
|
| 664 | +M6*7*9【5个】 |
|
| 665 | + |
|
| 666 | +M6*8*9【5个】 |
|
| 667 | + |
|
| 668 | +M6*9*9【5个】 |
|
| 669 | + |
|
| 670 | +M6*9.5*9【5个】 |
|
| 671 | + |
|
| 672 | +M6*9.5*9.5【5个】 |
|
| 673 | + |
|
| 674 | +M6*10*9【5个】 |
|
| 675 | + |
|
| 676 | +M6*12*9【5个】 |
|
| 677 | + |
|
| 678 | +M8*5*10【5个】 |
|
| 679 | + |
|
| 680 | +M8*6*10【5个】 |
|
| 681 | + |
|
| 682 | +M8*8*10【5个】 |
|
| 683 | + |
|
| 684 | +M8*10*10【5个】 |
|
| 685 | + |
|
| 686 | +M8*12*10【5个】 |
|
| 687 | + |
|
| 688 | +M8*15*10【2个】 |
|
| 689 | + |
|
| 690 | +M10*8*12【5个】 |
|
| 691 | + |
|
| 692 | +M10*10*12【5个】 |
|
| 693 | + |
|
| 694 | +M10*12*12【2个】 |
|
| 695 | + |
|
| 696 | +M10*15*12【2个】 |
|
| 697 | + |
|
| 698 | +2#-56*1/8*3.5【50个】 |
|
| 699 | + |
|
| 700 | +2#-56*5/32*3.5【50个】 |
|
| 701 | + |
|
| 702 | +2#-56*3/16*3.5【50个】 |
|
| 703 | + |
|
| 704 | +2#-56*7/32*3.5【20个】 |
|
| 705 | + |
|
| 706 | +2#-56*1/4*3.5【20个】 |
|
| 707 | + |
|
| 708 | +4#-40*1/8*4.6【20个】 |
|
| 709 | + |
|
| 710 | +4#-40*5/32*4.6【20个】 |
|
| 711 | + |
|
| 712 | +4#-40*3/16*4.6【20个】 |
|
| 713 | + |
|
| 714 | +4#-40*7/32*4.6【20个】 |
|
| 715 | + |
|
| 716 | +4#-40*1/4*4.6【20个】 |
|
| 717 | + |
|
| 718 | +4#-40*9/32*4.6【20个】 |
|
| 719 | + |
|
| 720 | +4#-40*5/16*4.6【20个】 |
|
| 721 | + |
|
| 722 | +6#-32*5/32*5.4【20个】 |
|
| 723 | + |
|
| 724 | +6#-32*3/16*5.4【20个】 |
|
| 725 | + |
|
| 726 | +6#-32*7/32*5.4【20个】 |
|
| 727 | + |
|
| 728 | +6#-32*1/4*5.4【20个】 |
|
| 729 | + |
|
| 730 | +6#-32*9/32*5.4【10个】 |
|
| 731 | + |
|
| 732 | +6#-32*5/16*5.4【10个】 |
|
| 733 | + |
|
| 734 | +6#-32*3/8*5.4【10个】 |
|
| 735 | + |
|
| 736 | +6#-32*1/2*5.4【10个】 |
|
| 737 | + |
|
| 738 | +8#-32*5/32*6.3【20个】 |
|
| 739 | + |
|
| 740 | +8#-32*3/16*6.3【10个】 |
|
| 741 | + |
|
| 742 | +8#-32*7/32*6.3【10个】 |
|
| 743 | + |
|
| 744 | +8#-32*1/4*6.3【10个】 |
|
| 745 | + |
|
| 746 | +8#-32*9/32*6.3【10个】 |
|
| 747 | + |
|
| 748 | +8#-32*5/16*6.3【10个】 |
|
| 749 | + |
|
| 750 | +8#-32*3/8*6.3【10个】 |
|
| 751 | + |
|
| 752 | +8#-32*7/16*6.3【5个】 |
|
| 753 | + |
|
| 754 | +8#-32*1/2*6.3【5个】 |
|
| 755 | + |
|
| 756 | +10#-32*3/16*7.1【10个】 |
|
| 757 | + |
|
| 758 | +10#-32*7/32*7.1【10个】 |
|
| 759 | + |
|
| 760 | +10#-32*1/4*7.1【10个】 |
|
| 761 | + |
|
| 762 | +10#-32*9/32*7.1【10个】 |
|
| 763 | + |
|
| 764 | +10#-32*5/16*7.1【10个】 |
|
| 765 | + |
|
| 766 | +10#-32*3/8*7.1【10个】 |
|
| 767 | + |
|
| 768 | +10#-32*7/16*7.1【5个】 |
|
| 769 | + |
|
| 770 | +10#-32*1/2*7.1【5个】 |
|
| 771 | + |
|
| 772 | +1/4-20*5*8【10个】 |
|
| 773 | + |
|
| 774 | +1/4-20*6*8【10个】 |
|
| 775 | + |
|
| 776 | +1/4-20*8*8【5个】 |
|
| 777 | + |
|
| 778 | +1/4-20*10*8【5个】 |
|
| 779 | + |
|
| 780 | +1/4-20*12.7*8【5个】 |
|
| 781 | + |
|
| 782 | + |
|
| 783 | + |
|
| 784 | + |
|
| 785 | +## ref |
|
| 786 | + |
|
| 787 | +- [[materials-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-M3-dat/screw-M3-dat.md
| ... | ... | @@ -0,0 +1,4 @@ |
| 1 | + |
|
| 2 | +# screw-M3-dat |
|
| 3 | + |
|
| 4 | +- nut - perpendicular distance - 7 |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-M4-dat/screw-M4-dat.md
| ... | ... | @@ -0,0 +1,5 @@ |
| 1 | + |
|
| 2 | +# screw-M4-dat |
|
| 3 | + |
|
| 4 | +- nut - perpendicular distance - 8 mm |
|
| 5 | +- chamer == 2 mm |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-Self-tapping-dat/2026-03-01-19-08-57.png
| ... | ... | Binary files /dev/null and b/fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-Self-tapping-dat/2026-03-01-19-08-57.png differ |
fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-Self-tapping-dat/screw-Self-tapping-dat.md
| ... | ... | @@ -0,0 +1,485 @@ |
| 1 | + |
|
| 2 | +# screw-Self-tapping-dat |
|
| 3 | + |
|
| 4 | +- easy for two layer assembly |
|
| 5 | + |
|
| 6 | +- works for [[plastic-dat]] [[wood-dat]] |
|
| 7 | + |
|
| 8 | +3. 工程语境中的常用表达 |
|
| 9 | + |
|
| 10 | +Pre-drilled hole: 预钻孔（自攻螺钉通常需要一个比螺纹略小的引导孔）。 |
|
| 11 | + |
|
| 12 | +Pilot hole: 引导孔。 |
|
| 13 | + |
|
| 14 | +Thread pitch: 螺距。 |
|
| 15 | + |
|
| 16 | +Course thread: 粗牙螺纹（塑料件常用）。 |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | +## screw into 3d printed parts |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | +## M1~M8 list |
|
| 28 | + |
|
| 29 | + |
|
| 30 | + |
|
| 31 | +- M1x3 [250个] |
|
| 32 | +- M1x4 [250个] |
|
| 33 | +- M1x5 [200个] |
|
| 34 | +- M1x6 [200个] |
|
| 35 | +- M1x7 [200个] |
|
| 36 | +- M1x8 [200个] |
|
| 37 | +- M1x10 [200个] |
|
| 38 | + |
|
| 39 | +- M1.2x3 [250个] |
|
| 40 | +- M1.2x3.5 [200个] |
|
| 41 | +- M1.2x4 [250个] |
|
| 42 | +- M1.2x5 [250个] |
|
| 43 | +- M1.2x6 [250个] |
|
| 44 | +- M1.2x7 [200个] |
|
| 45 | +- M1.2x8 [200个] |
|
| 46 | +- M1.2x10 [200个] |
|
| 47 | + |
|
| 48 | +M1.4 |
|
| 49 | + |
|
| 50 | +- M1.4x3 [250个] |
|
| 51 | +- M1.4x3.5 [200个] |
|
| 52 | +- M1.4x4 [250个] |
|
| 53 | +- M1.4x4.5 [200个] |
|
| 54 | +- M1.4x5 [250个] |
|
| 55 | +- M1.4x6 [250个] |
|
| 56 | +- M1.4x7 [200个] |
|
| 57 | +- M1.4x8 [200个] |
|
| 58 | +- M1.4x10 [200个] |
|
| 59 | +- `M1.4x12` [200个] |
|
| 60 | + |
|
| 61 | +M1.5 |
|
| 62 | + |
|
| 63 | +- M1.5x3 [200个] |
|
| 64 | +- M1.5x4 [100个] |
|
| 65 | +- M1.5x5 [100个] |
|
| 66 | +- M1.5x6 [50个] |
|
| 67 | +- M1.5x8 [200个] |
|
| 68 | +- M1.5x10 [200个] |
|
| 69 | + |
|
| 70 | +M1.6 |
|
| 71 | +- M1.6x3 [200个] |
|
| 72 | +- M1.6x4 [50个] |
|
| 73 | +- M1.6x5 [50个] |
|
| 74 | +- M1.6x6 [50个] |
|
| 75 | +- M1.6x8 [50个] |
|
| 76 | +- M1.6x10 [50个] |
|
| 77 | + |
|
| 78 | +M1.7 |
|
| 79 | +- M1.7x4 [100个] |
|
| 80 | +- M1.7x5 [100个] |
|
| 81 | +- M1.7x6 [100个] |
|
| 82 | +- M1.7x7 [50个] |
|
| 83 | +- M1.7x8 [50个] |
|
| 84 | +- M1.7x9 [200个] |
|
| 85 | +- M1.7x10 [50个] |
|
| 86 | +- M1.7x12 [50个] |
|
| 87 | +- M1.7x14 [50个] |
|
| 88 | +- M1.7x16 [100个] |
|
| 89 | +- M1.7x17 [100个] |
|
| 90 | +- M1.7x18 [100个] |
|
| 91 | +- M1.7x20 [100个] |
|
| 92 | + |
|
| 93 | +M1.8 |
|
| 94 | +- M1.8x4 [200个] |
|
| 95 | +- M1.8x5 [200个] |
|
| 96 | +- M1.8x6 [200个] |
|
| 97 | +- M1.8x8 [150个] |
|
| 98 | +- M1.8x10 [100个] |
|
| 99 | + |
|
| 100 | +M2 |
|
| 101 | +- M2x4 [200个] |
|
| 102 | +- M2x5 [200个] |
|
| 103 | +- M2x6 [200个] |
|
| 104 | +- M2x7 [200个] |
|
| 105 | +- M2x8 [100个] |
|
| 106 | +- M2x9 [200个] |
|
| 107 | +- M2x10 [200个] |
|
| 108 | +- M2x12 [200个] |
|
| 109 | +- M2x14 [200个] |
|
| 110 | +- M2x16 [200个] |
|
| 111 | +- M2x18 [100个] |
|
| 112 | +- M2x20 [100个] |
|
| 113 | +- M2x22 [100个] |
|
| 114 | +- M2x25 [100个] |
|
| 115 | +- M2x30 [50个] |
|
| 116 | + |
|
| 117 | +M2.2 |
|
| 118 | +- M2.2x4 [200个] |
|
| 119 | +- M2.2x5 [200个] |
|
| 120 | +- M2.2x6 [200个] |
|
| 121 | +- M2.2x7 [200个] |
|
| 122 | +- M2.2x8 [200个] |
|
| 123 | +- M2.2x9 [200个] |
|
| 124 | +- M2.2x10 [200个] |
|
| 125 | +- M2.2x12 [200个] |
|
| 126 | +- M2.2x14 [150个] |
|
| 127 | +- M2.2x16 [150个] |
|
| 128 | +- M2.2x18 [100个] |
|
| 129 | +- M2.2x20 [100个] |
|
| 130 | +- M2.2x22 [100个] |
|
| 131 | + |
|
| 132 | +M2.3x4 [200个] |
|
| 133 | + |
|
| 134 | +M2.3x5 [200个] |
|
| 135 | + |
|
| 136 | +M2.3x6 [200个] |
|
| 137 | + |
|
| 138 | +M2.3x7 [200个] |
|
| 139 | + |
|
| 140 | +M2.3x8 [200个] |
|
| 141 | + |
|
| 142 | +M2.3x10 [150个] |
|
| 143 | + |
|
| 144 | +M2.3x12 [100个] |
|
| 145 | + |
|
| 146 | +M2.3x14 [100个] |
|
| 147 | + |
|
| 148 | +M2.3x16 [100个] |
|
| 149 | + |
|
| 150 | +M2.3x18 [100个] |
|
| 151 | + |
|
| 152 | +M2.3x20 [100个] |
|
| 153 | + |
|
| 154 | +M2.5x5 [200个] |
|
| 155 | + |
|
| 156 | +M2.5x6 [200个] |
|
| 157 | + |
|
| 158 | +M2.5x8 [200个] |
|
| 159 | + |
|
| 160 | +M2.5x10 [200个] |
|
| 161 | + |
|
| 162 | +M2.5x12 [150个] |
|
| 163 | + |
|
| 164 | +M2.5x16 [100个] |
|
| 165 | + |
|
| 166 | +M2.5x20 [100个] |
|
| 167 | + |
|
| 168 | +M2.6x5 [200个] |
|
| 169 | + |
|
| 170 | +M2.6x6 [200个] |
|
| 171 | + |
|
| 172 | +M2.6x7 [200个] |
|
| 173 | + |
|
| 174 | +M2.6x8 [200个] |
|
| 175 | + |
|
| 176 | +M2.6x9 [200个] |
|
| 177 | + |
|
| 178 | +M2.6x10 [200个] |
|
| 179 | + |
|
| 180 | +M2.6x12 [150个] |
|
| 181 | + |
|
| 182 | +M2.6x14 [100个] |
|
| 183 | + |
|
| 184 | +M2.6x16 [100个] |
|
| 185 | + |
|
| 186 | +M2.6x18 [100个] |
|
| 187 | + |
|
| 188 | +M2.6x20 [100个] |
|
| 189 | + |
|
| 190 | +M2.6x25 [30个] |
|
| 191 | + |
|
| 192 | +M2.6x30 [30个] |
|
| 193 | + |
|
| 194 | +M3x5 [150个] |
|
| 195 | + |
|
| 196 | +M3x6 [200个] |
|
| 197 | + |
|
| 198 | +M3x7 [200个] |
|
| 199 | + |
|
| 200 | +M3x8 [200个] |
|
| 201 | + |
|
| 202 | +M3x9 [200个] |
|
| 203 | + |
|
| 204 | +M3x10 [200个] |
|
| 205 | + |
|
| 206 | +M3x12 [200个] |
|
| 207 | + |
|
| 208 | +M3x14 [150个] |
|
| 209 | + |
|
| 210 | +M3x15 [40个] |
|
| 211 | + |
|
| 212 | +M3x16 [150个] |
|
| 213 | + |
|
| 214 | +M3x18 [100个] |
|
| 215 | + |
|
| 216 | +M3x20 [100个] |
|
| 217 | + |
|
| 218 | +M3x22 [100个] |
|
| 219 | + |
|
| 220 | +M3x25 [100个] |
|
| 221 | + |
|
| 222 | +M3x30 [100个] |
|
| 223 | + |
|
| 224 | +M3x35 [50个] |
|
| 225 | + |
|
| 226 | +M3x40 [50个] |
|
| 227 | + |
|
| 228 | +M3x45 [50个] |
|
| 229 | + |
|
| 230 | +M3x50 [50个] |
|
| 231 | + |
|
| 232 | +M3x60 [20个] |
|
| 233 | + |
|
| 234 | +M3.5x8 [100个] |
|
| 235 | + |
|
| 236 | +M3.5x10 [100个] |
|
| 237 | + |
|
| 238 | +M3.5x12 [100个] |
|
| 239 | + |
|
| 240 | +M3.5x13 [100个] |
|
| 241 | + |
|
| 242 | +M3.5x14 [100个] |
|
| 243 | + |
|
| 244 | +M3.5x16 [100个] |
|
| 245 | + |
|
| 246 | +M3.5x18 [100个] |
|
| 247 | + |
|
| 248 | +M3.5x20 [100个] |
|
| 249 | + |
|
| 250 | +M3.5x22 [100个] |
|
| 251 | + |
|
| 252 | +M3.5x25 [50个] |
|
| 253 | + |
|
| 254 | +M3.5x30 [50个] |
|
| 255 | + |
|
| 256 | +M3.5x32 [50个] |
|
| 257 | + |
|
| 258 | +M3.5x35 [50个] |
|
| 259 | + |
|
| 260 | +M3.5x38 [40个] |
|
| 261 | + |
|
| 262 | +M3.5x40 [40个] |
|
| 263 | + |
|
| 264 | +M3.5x45 [30个] |
|
| 265 | + |
|
| 266 | +M3.5x50 [30个] |
|
| 267 | + |
|
| 268 | +M3.5x55 [20个] |
|
| 269 | + |
|
| 270 | +M3.5x60 [20个] |
|
| 271 | + |
|
| 272 | +M3.5x65 [20个] |
|
| 273 | + |
|
| 274 | +M3.5x70 [10个] |
|
| 275 | + |
|
| 276 | +M3.5x75 [10个] |
|
| 277 | + |
|
| 278 | +M3.5x80 [10个] |
|
| 279 | + |
|
| 280 | +M3.5x85 [10个] |
|
| 281 | + |
|
| 282 | +M3.5x90 [10个] |
|
| 283 | + |
|
| 284 | +M3.5x95 [10个] |
|
| 285 | + |
|
| 286 | +M3.5x100 [10个] |
|
| 287 | + |
|
| 288 | +M4x6 [50个] |
|
| 289 | + |
|
| 290 | +M4x8 [100个] |
|
| 291 | + |
|
| 292 | +M4x10 [100个] |
|
| 293 | + |
|
| 294 | +M4x12 [100个] |
|
| 295 | + |
|
| 296 | +M4x14 [100个] |
|
| 297 | + |
|
| 298 | +M4x15 [100个] |
|
| 299 | + |
|
| 300 | +M4x16 [100个] |
|
| 301 | + |
|
| 302 | +M4x18 [100个] |
|
| 303 | + |
|
| 304 | +M4x20 [100个] |
|
| 305 | + |
|
| 306 | +M4x22 [50个] |
|
| 307 | + |
|
| 308 | +M4x25 [50个] |
|
| 309 | + |
|
| 310 | +M4x30 [50个] |
|
| 311 | + |
|
| 312 | +M4x32 [50个] |
|
| 313 | + |
|
| 314 | +M4x35 [50个] |
|
| 315 | + |
|
| 316 | +M4x40 [50个] |
|
| 317 | + |
|
| 318 | +M4x45 [30个] |
|
| 319 | + |
|
| 320 | +M4x50 [30个] |
|
| 321 | + |
|
| 322 | +M4x55 [20个] |
|
| 323 | + |
|
| 324 | +M4x60 [20个] |
|
| 325 | + |
|
| 326 | +M4x65 [20个] |
|
| 327 | + |
|
| 328 | +M4x70 [20个] |
|
| 329 | + |
|
| 330 | +M4x75 [20个] |
|
| 331 | + |
|
| 332 | +M4x80 [10个] |
|
| 333 | + |
|
| 334 | +M4x85 [10个] |
|
| 335 | + |
|
| 336 | +M4x90 [10个] |
|
| 337 | + |
|
| 338 | +M4x95 [10个] |
|
| 339 | + |
|
| 340 | +M4x100 [10个] |
|
| 341 | + |
|
| 342 | +M4x110 [5个] |
|
| 343 | + |
|
| 344 | +M4x120 [5个] |
|
| 345 | + |
|
| 346 | +M4x130 [5个] |
|
| 347 | + |
|
| 348 | +M4x140 [5个] |
|
| 349 | + |
|
| 350 | +M4x150 [5个] |
|
| 351 | + |
|
| 352 | +M4x160 [5个] |
|
| 353 | + |
|
| 354 | +M4x170 [5个] |
|
| 355 | + |
|
| 356 | +M4x180 [5个] |
|
| 357 | + |
|
| 358 | +M4x190 [5个] |
|
| 359 | + |
|
| 360 | +M4x200 [5个] |
|
| 361 | + |
|
| 362 | +M5x10 [50个] |
|
| 363 | + |
|
| 364 | +M5x12 [50个] |
|
| 365 | + |
|
| 366 | +M5x14 [50个] |
|
| 367 | + |
|
| 368 | +M5x16 [50个] |
|
| 369 | + |
|
| 370 | +M5x18 [50个] |
|
| 371 | + |
|
| 372 | +M5x20 [50个] |
|
| 373 | + |
|
| 374 | +M5x25 [40个] |
|
| 375 | + |
|
| 376 | +M5x30 [30个] |
|
| 377 | + |
|
| 378 | +M5x35 [30个] |
|
| 379 | + |
|
| 380 | +M5x40 [30个] |
|
| 381 | + |
|
| 382 | +M5x45 [20个] |
|
| 383 | + |
|
| 384 | +M5x50 [20个] |
|
| 385 | + |
|
| 386 | +M5x55 [20个] |
|
| 387 | + |
|
| 388 | +M5x60 [20个] |
|
| 389 | + |
|
| 390 | +M5x65 [10个] |
|
| 391 | + |
|
| 392 | +M5x70 [10个] |
|
| 393 | + |
|
| 394 | +M5x75 [10个] |
|
| 395 | + |
|
| 396 | +M5x80 [10个] |
|
| 397 | + |
|
| 398 | +M5x90 [10个] |
|
| 399 | + |
|
| 400 | +M5x100 [10个] |
|
| 401 | + |
|
| 402 | +M5x110 [5个] |
|
| 403 | + |
|
| 404 | +M5x120 [5个] |
|
| 405 | + |
|
| 406 | +M5x130 [5个] |
|
| 407 | + |
|
| 408 | +M5x140 [5个] |
|
| 409 | + |
|
| 410 | +M5x150 [5个] |
|
| 411 | + |
|
| 412 | +M6x12 [25个] |
|
| 413 | + |
|
| 414 | +M6x14 [25个] |
|
| 415 | + |
|
| 416 | +M6x16 [25个] |
|
| 417 | + |
|
| 418 | +M6x18 [20个] |
|
| 419 | + |
|
| 420 | +M6x20 [20个] |
|
| 421 | + |
|
| 422 | +M6x25 [20个] |
|
| 423 | + |
|
| 424 | +M6x30 [20个] |
|
| 425 | + |
|
| 426 | +M6x35 [20个] |
|
| 427 | + |
|
| 428 | +M6x40 [10个] |
|
| 429 | + |
|
| 430 | +M6x45 [10个] |
|
| 431 | + |
|
| 432 | +M6x50 [10个] |
|
| 433 | + |
|
| 434 | +M6x55 [10个] |
|
| 435 | + |
|
| 436 | +M6x60 [10个] |
|
| 437 | + |
|
| 438 | +M6x65 [10个] |
|
| 439 | + |
|
| 440 | +M6x70 [10个] |
|
| 441 | + |
|
| 442 | +M6x75 [5个] |
|
| 443 | + |
|
| 444 | +M6x80 [5个] |
|
| 445 | + |
|
| 446 | +M6x90 [5个] |
|
| 447 | + |
|
| 448 | +M6x100 [5个] |
|
| 449 | + |
|
| 450 | +M8x16 [10个] |
|
| 451 | + |
|
| 452 | +M8x20 [10个] |
|
| 453 | + |
|
| 454 | +M8x25 [10个] |
|
| 455 | + |
|
| 456 | +M8x30 [10个] |
|
| 457 | + |
|
| 458 | +M8x32 [10个] |
|
| 459 | + |
|
| 460 | +M8x35 [7个] |
|
| 461 | + |
|
| 462 | +M8x40 [7个] |
|
| 463 | + |
|
| 464 | +M8x45 [5个] |
|
| 465 | + |
|
| 466 | +M8x50 [5个] |
|
| 467 | + |
|
| 468 | +M8x55 [5个] |
|
| 469 | + |
|
| 470 | +M8x60 [5个] |
|
| 471 | + |
|
| 472 | +M8x70 [5个] |
|
| 473 | + |
|
| 474 | +M8x80 [5个] |
|
| 475 | + |
|
| 476 | +M8x90 [4个] |
|
| 477 | + |
|
| 478 | +M8x100 [4个] |
|
| 479 | + |
|
| 480 | +## ref |
|
| 481 | + |
|
| 482 | +- [[screw-dat]] |
|
| 483 | + |
|
| 484 | +- [[robotpet-10]] |
|
| 485 | + |
fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-dat.md
| ... | ... | @@ -0,0 +1,244 @@ |
| 1 | + |
|
| 2 | +# screws-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[screw-magnetic-dat]] |
|
| 6 | + |
|
| 7 | +- [[nail-dat]] - [[screw-dat]] - [[thread-dat]] |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +- [[Heat-Set-Insert-dat]] |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +## drivers |
|
| 14 | + |
|
| 15 | +- [[screw-dat]] |
|
| 16 | + |
|
| 17 | +- [[tools-power-socket-dat]] - [[hex-key-dat]] |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +## types |
|
| 24 | + |
|
| 25 | +- [[screws]] |
|
| 26 | + |
|
| 27 | + |
|
| 28 | +- [[screw-large-head-dat]] |
|
| 29 | + |
|
| 30 | +- [[screw-uncommon-dat]] |
|
| 31 | + |
|
| 32 | +- M3x10 |
|
| 33 | +- M5x10 |
|
| 34 | + |
|
| 35 | +- M16 |
|
| 36 | +- M25 == ￠25*M20*200(1颗) |
|
| 37 | +- M100螺栓 150mm-800mm == 240 |
|
| 38 | +- M120螺栓 200mm-800mm |
|
| 39 | + |
|
| 40 | +- [[hex-key-dat]] |
|
| 41 | + |
|
| 42 | + |
|
| 43 | + |
|
| 44 | + |
|
| 45 | + |
|
| 46 | + |
|
| 47 | + |
|
| 48 | +## common combination |
|
| 49 | + |
|
| 50 | +- [[screws-dat]] + [[nut-dat]] + [[washer-spring-dat]] + [[washer-flat-dat]] |
|
| 51 | + |
|
| 52 | + |
|
| 53 | + |
|
| 54 | + |
|
| 55 | +## bolt and screw |
|
| 56 | + |
|
| 57 | +| Feature | Bolt | Screw | |
|
| 58 | +| --------------------- | -------------------------------------------------- | ------------------------------------------------------------------- | |
|
| 59 | +| **Usage** | Used with a **nut** or threaded hole | Often used **without a nut**, threads into material directly | |
|
| 60 | +| **Holding Mechanism** | Relies on **external nut** for clamping force | Creates clamping force by threading directly into the material | |
|
| 61 | +| **Tools Used** | Typically needs a **wrench** or **socket** | Often driven by **screwdriver** or **Allen key** | |
|
| 62 | +| **Installation** | Requires access to **both sides** (to tighten nut) | Can often be installed from **one side** only | |
|
| 63 | +| **Thread Type** | Usually has a **blunt end** and uniform threads | Often has **pointed or tapered end**, cutting threads into material | |
|
| 64 | +| **Common Example** | Hex bolt with nut on the other end | Wood screw going into wood directly | |
|
| 65 | + |
|
| 66 | + |
|
| 67 | + |
|
| 68 | +## fit size |
|
| 69 | + |
|
| 70 | +### Common Screw Size Reference |
|
| 71 | + |
|
| 72 | +| Item | M3 | M4 | |
|
| 73 | +| ------------------------------------ | ---------- | ------- | |
|
| 74 | +| **Screw Shaft Diameter** | 3.0 mm | 4.0 mm | |
|
| 75 | +| **Button/Socket Head Diameter** | 5.5–6.0 mm | 7.0 mm | |
|
| 76 | +| **Countersunk Head Diameter** | ~5.6 mm | ~7.5 mm | |
|
| 77 | +| **Washer Outer Diameter (standard)** | 6.0 mm | 8.0 mm | |
|
| 78 | + |
|
| 79 | +## common used bolt |
|
| 80 | + |
|
| 81 | +- hex head bolt |
|
| 82 | +- hex socket head bolt |
|
| 83 | +- Phillips Head Screw |
|
| 84 | + |
|
| 85 | + |
|
| 86 | +## Screw == Self-tapping Screws |
|
| 87 | + |
|
| 88 | +Self-tapping screws are designed to create their own hole as they are driven into the material. They are commonly used in metal, plastic, and wood applications. The most common types of self-tapping screws include: |
|
| 89 | + |
|
| 90 | +## Other Head Types |
|
| 91 | + |
|
| 92 | +### Round head |
|
| 93 | + |
|
| 94 | +6. Round Head |
|
| 95 | +Name: Round Head Screw |
|
| 96 | +Description: Fully rounded top, offering a decorative or smooth finish. |
|
| 97 | +Usage: Less common in screws but used in vintage or decorative applications. |
|
| 98 | + |
|
| 99 | + |
|
| 100 | +### Pan head |
|
| 101 | + |
|
| 102 | +Pan Head Screws M3*6, note length is the screws part |
|
| 103 | + |
|
| 104 | + |
|
| 105 | + |
|
| 106 | +4. Pan Head |
|
| 107 | +Name: Pan Head Screw |
|
| 108 | +Description: Rounded, slightly raised head with a large diameter. |
|
| 109 | +Usage: Common in electronics, sheet metal fastening, and general applications. |
|
| 110 | + |
|
| 111 | + |
|
| 112 | + |
|
| 113 | +### Countersunk Head |
|
| 114 | + |
|
| 115 | +Countersunk Head M3*6, note length is the total length |
|
| 116 | + |
|
| 117 | + |
|
| 118 | + |
|
| 119 | + |
|
| 120 | +### Hex Head |
|
| 121 | + |
|
| 122 | + |
|
| 123 | + |
|
| 124 | +### Hex socket |
|
| 125 | + |
|
| 126 | + |
|
| 127 | + |
|
| 128 | + |
|
| 129 | + |
|
| 130 | +### Button Head |
|
| 131 | + |
|
| 132 | +M5*10 pan head |
|
| 133 | + |
|
| 134 | + |
|
| 135 | + |
|
| 136 | +2. Button Head (Socket Button Head Screw) |
|
| 137 | +Name: Button Head Screw |
|
| 138 | +Description: Low-profile, rounded head with a wide bearing surface. |
|
| 139 | +Usage: Used when a smooth, low-profile finish is needed, such as in enclosures or furniture. |
|
| 140 | + |
|
| 141 | + |
|
| 142 | +### Cap Head |
|
| 143 | + |
|
| 144 | +1. Cap Head (Socket Cap Screw) |
|
| 145 | +Name: Cap Head Screw |
|
| 146 | +Description: Tall, cylindrical head with a deep hex socket. |
|
| 147 | +Usage: High-strength fastening in machinery, automotive, and structural applications. |
|
| 148 | + |
|
| 149 | +### Flat Head |
|
| 150 | + |
|
| 151 | +3. Flat Head (Countersunk Head Screw) |
|
| 152 | +Name: Flat Head Screw |
|
| 153 | +Description: Tapered, countersunk head that sits flush with the surface. |
|
| 154 | +Usage: Used in applications requiring a smooth, flush surface, such as aerospace or furniture. |
|
| 155 | + |
|
| 156 | +### Low Head |
|
| 157 | + |
|
| 158 | +5. Low Head |
|
| 159 | +Name: Low Head Screw |
|
| 160 | +Description: Similar to cap head but with a reduced height for tight spaces. |
|
| 161 | +Usage: Used in applications where clearance is limited but a strong connection is needed. |
|
| 162 | + |
|
| 163 | +### Truss Head |
|
| 164 | + |
|
| 165 | +7. Truss Head |
|
| 166 | +Name: Truss Head Screw |
|
| 167 | +Description: Extra-wide, low-profile head for better load distribution. |
|
| 168 | +Usage: Used in thin materials like sheet metal or plastic to reduce material damage. |
|
| 169 | + |
|
| 170 | +### Oval Head |
|
| 171 | + |
|
| 172 | +8. Oval Head (Raised Countersunk Head Screw) |
|
| 173 | +Name: Oval Head Screw |
|
| 174 | +Description: Similar to a flat head but with a slightly domed top. |
|
| 175 | +Usage: Decorative applications or when a smooth, elegant look is needed. |
|
| 176 | + |
|
| 177 | +## Drive Types |
|
| 178 | + |
|
| 179 | + |
|
| 180 | +Screws can be categorized based on their **drive type**, which refers to the shape of the socket or recess in the screw head where the tool engages. |
|
| 181 | + |
|
| 182 | +### 1. Hex Drive (Allen) |
|
| 183 | +- **Common Names:** Hex Socket, Allen |
|
| 184 | +- **Description:** A hexagonal socket that requires a hex key (Allen wrench). |
|
| 185 | +- **Usage:** Used in machinery, furniture, and automotive applications for high torque fastening. |
|
| 186 | + |
|
| 187 | +### 2. Phillips Drive (Cross) |
|
| 188 | +- **Common Names:** Phillips, Cross Recess |
|
| 189 | +- **Description:** A cross-shaped recess designed to prevent over-tightening. |
|
| 190 | +- **Usage:** Widely used in general-purpose applications, especially in wood and drywall screws. |
|
| 191 | + |
|
| 192 | +### 3. Slotted Drive |
|
| 193 | +- **Common Names:** Slot, Flathead |
|
| 194 | +- **Description:** A single straight groove that uses a flat-blade screwdriver. |
|
| 195 | +- **Usage:** Common in older designs, electrical outlets, and light-duty applications. |
|
| 196 | + |
|
| 197 | +### 4. Torx Drive |
|
| 198 | +- **Common Names:** Torx, Star |
|
| 199 | +- **Description:** A six-pointed star-shaped recess that provides high torque transfer and reduces cam-out. |
|
| 200 | +- **Usage:** Used in electronics, automotive, and aerospace applications. |
|
| 201 | + |
|
| 202 | +### 5. Pozidriv Drive |
|
| 203 | +- **Common Names:** Pozidriv, PZ |
|
| 204 | +- **Description:** Similar to Phillips but with extra grooves for better torque and less slippage. |
|
| 205 | +- **Usage:** Common in European woodworking and electrical applications. |
|
| 206 | + |
|
| 207 | +### 6. Square Drive (Robertson) |
|
| 208 | +- **Common Names:** Robertson |
|
| 209 | +- **Description:** A square-shaped recess that offers strong torque resistance and prevents cam-out. |
|
| 210 | +- **Usage:** Used in construction, woodworking, and some automotive applications. |
|
| 211 | + |
|
| 212 | +### 7. Tri-Wing Drive |
|
| 213 | +- **Common Names:** Tri-Wing |
|
| 214 | +- **Description:** Three-winged recess designed for security screws. |
|
| 215 | +- **Usage:** Found in aerospace, electronics, and tamper-proof applications (e.g., Nintendo consoles). |
|
| 216 | + |
|
| 217 | +### 8. Spanner Drive (Snake Eye) |
|
| 218 | +- **Common Names:** Spanner, Snake Eye, Twin-Hole |
|
| 219 | +- **Description:** Two small round holes on the head requiring a special spanner bit. |
|
| 220 | +- **Usage:** Used in security screws to prevent tampering in public spaces. |
|
| 221 | + |
|
| 222 | +### 9. One-Way Drive |
|
| 223 | +- **Common Names:** One-Way, Security Slot |
|
| 224 | +- **Description:** Slotted design that allows installation but prevents removal. |
|
| 225 | +- **Usage:** Used in security applications like restroom fixtures and license plates. |
|
| 226 | + |
|
| 227 | +### 10. Hexalobular Drive (Torx Plus) |
|
| 228 | +- **Common Names:** Torx Plus, 6-Lobe |
|
| 229 | +- **Description:** A refined version of Torx with a more precise shape for higher torque. |
|
| 230 | +- **Usage:** Found in automotive, aerospace, and industrial applications. |
|
| 231 | + |
|
| 232 | +### 11. Clutch Drive |
|
| 233 | +- **Common Names:** Clutch Head |
|
| 234 | +- **Description:** Bowtie-shaped recess used in heavy machinery. |
|
| 235 | +- **Usage:** Found in buses, trailers, and some older appliances. |
|
| 236 | + |
|
| 237 | + |
|
| 238 | + |
|
| 239 | + |
|
| 240 | +## ref |
|
| 241 | + |
|
| 242 | +- [[nut-dat]] |
|
| 243 | + |
|
| 244 | +- [[screws]] |
|
| ... | ... | \ No newline at end of file |
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| 1 | + |
|
| 2 | +# screw-large-head-dat.md |
|
| 3 | + |
|
| 4 | + |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-magnetic-dat/2024-02-17-14-20-10.png
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fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-magnetic-dat/2026-02-26-17-52-53.png
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fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-magnetic-dat/screw-magnetic-dat.md
| ... | ... | @@ -0,0 +1,61 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# screw-magnetic-dat |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +- 1208-M3（装好9.8*1.2mm磁片） |
|
| 14 | +- 1208-M4（装好9.8*1.2mm磁片） |
|
| 15 | +- 1313-M3（装好9.8*1.2mm磁片） |
|
| 16 | +- 1313-M4（装好9.8*1.2mm磁片） |
|
| 17 | +- 1317-M3（装好9.8*1.2mm磁片） |
|
| 18 | +- 1317-M4（装好9.8*1.2mm磁片） |
|
| 19 | +- 强磁 1408-M4（装好10*1.3mm磁片） |
|
| 20 | +- 强磁 1413-M4（装好10*1.3mm磁片） |
|
| 21 | +- 强磁 1417-M3（装好10*1.3mm磁片） |
|
| 22 | +- 强磁 1417-M4（装好10*1.3mm磁片） |
|
| 23 | +- 加强磁 1413M4-Pro（装好11*1.3mm磁片） |
|
| 24 | +- 加强磁 1417M4-Pro（装好11*1.3mm磁片） |
|
| 25 | +- 加强磁 1513-M4（装好12*1.3mm磁片） |
|
| 26 | +- 加强磁 1517-M3（装好12*1.3mm磁片） |
|
| 27 | +- 加强磁 1517-M4（装好12*1.3mm磁片） |
|
| 28 | +- 加强磁 1520-M4（装好12*1.3mm磁片） |
|
| 29 | +- N35强磁-圆形沉孔M3，10*3mm |
|
| 30 | +- 加强磁N42-圆形沉孔M3，12*3mm |
|
| 31 | + |
|
| 32 | + |
|
| 33 | +# magnetic-screw-dat |
|
| 34 | + |
|
| 35 | + |
|
| 36 | + |
|
| 37 | +## 1317-M3 |
|
| 38 | +- diameter 13mm, height 17mm |
|
| 39 | +- drill - M3 |
|
| 40 | + |
|
| 41 | + |
|
| 42 | + |
|
| 43 | +## 1313-M4 |
|
| 44 | + |
|
| 45 | + |
|
| 46 | + |
|
| 47 | + |
|
| 48 | + |
|
| 49 | +## Demo video |
|
| 50 | + |
|
| 51 | +https://www.youtube.com/shorts/bYAMpQTe3k0 |
|
| 52 | + |
|
| 53 | + |
|
| 54 | + |
|
| 55 | +## ref |
|
| 56 | + |
|
| 57 | +- [[PCB-accesories-dat]] |
|
| 58 | + |
|
| 59 | +## ref |
|
| 60 | + |
|
| 61 | +- [[screw-dat]] |
|
| ... | ... | \ No newline at end of file |
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| ... | ... | @@ -0,0 +1,4 @@ |
| 1 | + |
|
| 2 | +# screw-pan-head-dat |
|
| 3 | + |
|
| 4 | + |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-thumb-dat/2026-02-22-16-01-39.png
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| ... | ... | @@ -0,0 +1,42 @@ |
| 1 | + |
|
| 2 | +# screw-thumb-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[screw-thumb-dat]] - [[nut-thumb-dat]] - [[product-dat]] - [[user-friendly-mechanical-design-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +- [[screw-dat]] - [[nut-dat]] |
|
| 9 | + |
|
| 10 | +- [[nut-wing-dat]] - [[screw-wing-dat]] |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +## screw thumb types |
|
| 14 | + |
|
| 15 | +- wing-screw / wing-nut |
|
| 16 | + |
|
| 17 | +### Knurled Head Thumbscrews: * Features a textured (diamond or straight) pattern on the side of a cylindrical head. |
|
| 18 | + |
|
| 19 | +Best for: Precise, low-torque adjustments in electronics or robotics. |
|
| 20 | + |
|
| 21 | +### Wing Screws (Butterfly Screws): |
|
| 22 | + |
|
| 23 | +Has two flat "wings" protruding from the head. |
|
| 24 | + |
|
| 25 | +Best for: Providing maximum leverage for hand-tightening without tools. |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | + |
|
| 30 | +### Spade Head Thumbscrews: |
|
| 31 | + |
|
| 32 | +The head is a thin, flat "spade" (like a key). |
|
| 33 | + |
|
| 34 | +Best for: Situations where you need to apply torque with your whole hand rather than just fingertips. |
|
| 35 | + |
|
| 36 | +### T-Handle / Tee-Head Screws: |
|
| 37 | + |
|
| 38 | +Shaped like a 'T'. |
|
| 39 | + |
|
| 40 | +Best for: Large machinery or heavy-duty outdoor gear where you might be wearing gloves. |
|
| 41 | + |
|
| 42 | + |
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fab-mechanics-dat/mechanical-parts-dat/screw-dat/screw-uncommon-dat/screw-uncommon-dat.md
| ... | ... | @@ -0,0 +1,33 @@ |
| 1 | + |
|
| 2 | +# screw-uncommon-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +## screw-uncommon |
|
| 6 | + |
|
| 7 | +3mm-Y == Y3 |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +T20 |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | +T25 |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +kit |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | +## ref |
|
| 30 | + |
|
| 31 | +- [[screw-dat]] |
|
| 32 | + |
|
| 33 | + |
fab-mechanics-dat/mechanical-parts-dat/seal-dat/2025-12-30-14-18-21.png
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fab-mechanics-dat/mechanical-parts-dat/seal-dat/seal-lip-dat.md
| ... | ... | @@ -0,0 +1,6 @@ |
| 1 | + |
|
| 2 | +# seal-lip-dat.md |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| ... | ... | \ No newline at end of file |
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| ... | ... | @@ -0,0 +1,15 @@ |
| 1 | + |
|
| 2 | +# spacer-copper-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[spacer-copper-dat]] - [[spacer-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +M2.5 * 15 + 6 |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +## ref |
|
| 15 | + |
fab-mechanics-dat/mechanical-parts-dat/spacer-dat/spacer-dat.md
| ... | ... | @@ -0,0 +1,14 @@ |
| 1 | + |
|
| 2 | +# spacer-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## ref |
|
| 10 | + |
|
| 11 | +- [[mechanical-parts-dat]] - [[mechanical-parts]] - [[spacer]] |
|
| 12 | + |
|
| 13 | +- [[standoff-dat]] |
|
| 14 | + |
fab-mechanics-dat/mechanical-parts-dat/wheel-dat/2025-04-03-15-14-31.png
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fab-mechanics-dat/mechanical-parts-dat/wheel-dat/Mecanum-wheel-dat/Mecanum-wheel-dat.md
| ... | ... | @@ -0,0 +1,11 @@ |
| 1 | + |
|
| 2 | +# Mecanum-wheel-dat |
|
| 3 | + |
|
| 4 | +## Mecanum wheel == omnidirectional wheel |
|
| 5 | + |
|
| 6 | +- [Mecanum wheel](https://en.wikipedia.org/wiki/Mecanum_wheel) - Wikipedia |
|
| 7 | + |
|
| 8 | +The Mecanum wheel is a type of omnidirectional wheel that allows a vehicle to move laterally, diagonally, or rotate in place without changing its orientation. It is widely used in omnidirectional robots, AGVs (Automated Guided Vehicles), and mobile robotics applications. |
|
| 9 | + |
|
| 10 | +## ref |
|
| 11 | + |
fab-mechanics-dat/mechanical-parts-dat/wheel-dat/Sprocket-dat/2026-02-28-02-46-24.png
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fab-mechanics-dat/mechanical-parts-dat/wheel-dat/Sprocket-dat/Sprocket-dat.md
| ... | ... | @@ -0,0 +1,70 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# Sprocket-dat |
|
| 4 | + |
|
| 5 | +- [[gear-dat]] - [[chain-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +| 中文名稱 | 英文術語 | 常用縮寫/別名 | |
|
| 10 | +| :------------------ | :--------------------- | :--------------------------- | |
|
| 11 | +| **大鏈輪 (輪端)** | **Large Sprocket** | Driven Sprocket, Rear Gear | |
|
| 12 | +| **小鏈輪 (電機端)** | **Small Sprocket** | Drive Sprocket, Motor Pinion | |
|
| 13 | +| **齒數** | **Tooth Count** | 50T, 10T (T = Teeth) | |
|
| 14 | +| **鏈條型號** | **Chain Pitch / Size** | #25, T8F, #35 | |
|
| 15 | +| **安裝孔位** | **Mounting Pattern** | BCD (Bolt Circle Diameter) | |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +Sprocket (鏈輪): 這是專指與「鏈條」嚙合的帶齒輪子。如果它是用皮帶帶動的，則稱為 Pulley (皮帶輪)。 |
|
| 19 | + |
|
| 20 | +Driven Sprocket / Rear Sprocket: 指安裝在輪子上的那個「大齒盤」。 |
|
| 21 | + |
|
| 22 | +Drive Sprocket / Motor Sprocket / Pinion: 指安裝在電機軸上的那個「小齒輪」。 |
|
| 23 | + |
|
| 24 | + |
|
| 25 | +## Large Sprocket |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | +## info |
|
| 30 | + |
|
| 31 | +A **sprocket** (or sprocket-wheel) is a profiled wheel with teeth that mesh with a chain, track, or other perforated or indented material. |
|
| 32 | + |
|
| 33 | +It is distinguished from a **gear** in that sprockets are never meshed together directly, and from a **pulley** in that sprockets have teeth and pulleys are smooth. |
|
| 34 | + |
|
| 35 | +--- |
|
| 36 | + |
|
| 37 | +## Key Characteristics of a Sprocket |
|
| 38 | +The design of a sprocket is strictly tied to the specific chain it is intended to drive. Key parameters include: |
|
| 39 | + |
|
| 40 | +* **Teeth (Z):** The number of individual projections that engage the chain links. |
|
| 41 | +* **Pitch (P):** The distance between the centers of two consecutive teeth. This must match the chain's pitch perfectly. |
|
| 42 | +* **Bore:** The center hole where the shaft (e.g., a motor shaft) is inserted. |
|
| 43 | +* **Hub:** The raised portion around the bore that often contains a set screw or keyway to lock the sprocket to the shaft. |
|
| 44 | + |
|
| 45 | + |
|
| 46 | + |
|
| 47 | +--- |
|
| 48 | + |
|
| 49 | +## Sprocket vs. Gear: The Main Differences |
|
| 50 | + |
|
| 51 | +| Feature | Sprocket | Gear | |
|
| 52 | +| :-------------- | :----------------------------------------- | :---------------------------------- | |
|
| 53 | +| **Engagement** | Meshes with a chain or belt. | Meshes directly with another gear. | |
|
| 54 | +| **Distance** | Ideal for long-distance power transfer. | Usually requires close proximity. | |
|
| 55 | +| **Slip** | No slip (due to teeth). | No slip (due to teeth). | |
|
| 56 | +| **Maintenance** | Requires chain tensioning and lubrication. | Requires alignment and lubrication. | |
|
| 57 | + |
|
| 58 | +--- |
|
| 59 | + |
|
| 60 | +## Common Applications |
|
| 61 | + |
|
| 62 | +1. **Bicycles & Motorcycles:** The most recognizable use. The "chainring" at the pedals and the "cassette" at the rear wheel are both sprockets. |
|
| 63 | +2. **Tracked Vehicles:** Tanks, bulldozers, and excavators use a large drive sprocket to pull the heavy metal tracks. |
|
| 64 | +3. **Industrial Conveyors:** Moving goods along a factory floor often relies on long chain drives powered by sprockets. |
|
| 65 | +4. **Robotics & DIY Projects:** Especially useful for mobile platforms like your **Rover V2** if you are moving from a direct-drive wheel to a tank-tread or high-torque chain system. |
|
| 66 | + |
|
| 67 | + |
|
| 68 | + |
|
| 69 | +## ref |
|
| 70 | + |
fab-mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-Eccentric-dat/wheel-Eccentric-dat.md
| ... | ... | @@ -0,0 +1,12 @@ |
| 1 | + |
|
| 2 | +# wheel-Eccentric-dat |
|
| 3 | + |
|
| 4 | +## purpose |
|
| 5 | + |
|
| 6 | +- [[motor-vibration-dat]] - [[vibrator-dat]] |
|
| 7 | + |
|
| 8 | +- [[tensioner-dat]] - [[belt-sys-dat]] |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +- [[wheel-Eccentric]] - [[wheel]] - [[mechanical-parts]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-dat.md
| ... | ... | @@ -0,0 +1,75 @@ |
| 1 | + |
|
| 2 | +# wheel-dat |
|
| 3 | + |
|
| 4 | +- [[Mecanum-wheel-dat]] |
|
| 5 | + |
|
| 6 | +- [[tank-wheels-supporting-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +- [[RPM-dat]] - [[physics-dat]] - [[gear-dat]] - [[Sprocket-dat]] - [[chain-dat]] |
|
| 10 | + |
|
| 11 | +- [[wheel-hub-dat]] - [[wheel-dat]] - [[bearing-dat]] |
|
| 12 | + |
|
| 13 | +97 dia mm |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | +125 dia mm |
|
| 18 | + |
|
| 19 | + |
|
| 20 | +## 12" |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | +12 inches is equal to: |
|
| 25 | + |
|
| 26 | +- 30.48 centimeters (cm) |
|
| 27 | +- 304.8 millimeters (mm) |
|
| 28 | + |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | + |
|
| 33 | +## wheel front == Driven Wheel / Idler Wheel |
|
| 34 | + |
|
| 35 | + |
|
| 36 | + |
|
| 37 | + |
|
| 38 | +wheel without motor |
|
| 39 | + |
|
| 40 | +bearing 6302 |
|
| 41 | + |
|
| 42 | + |
|
| 43 | + |
|
| 44 | + |
|
| 45 | + |
|
| 46 | +## wheel with motor / rear wheel == Driving Wheel |
|
| 47 | + |
|
| 48 | +mostly used for balancer kart, electric go-kart, and electric tri-cycle, |
|
| 49 | + |
|
| 50 | + |
|
| 51 | + |
|
| 52 | + |
|
| 53 | + |
|
| 54 | + |
|
| 55 | + |
|
| 56 | + |
|
| 57 | + |
|
| 58 | +12-inch 3000W 18-shaft + Mingzhe semi-molten tire |
|
| 59 | + |
|
| 60 | +## wheels with hub |
|
| 61 | + |
|
| 62 | +- [[wheel-hub-dat]] |
|
| 63 | + |
|
| 64 | + |
|
| 65 | +## ref |
|
| 66 | + |
|
| 67 | +- [[robot-dat]] |
|
| 68 | + |
|
| 69 | +- [[bearing-dat]] |
|
| 70 | + |
|
| 71 | + |
|
| 72 | +## ref |
|
| 73 | + |
|
| 74 | +- [[wheels]] |
|
| 75 | + |
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fab-mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-hub-dat/wheel-hub-dat.md
| ... | ... | @@ -0,0 +1,84 @@ |
| 1 | + |
|
| 2 | +# wheel-hub-dat |
|
| 3 | + |
|
| 4 | +- [[wheel-dat]] - [[wheel-hub-dat]] - [[bearing-dat]] - [[gear-dat]] - [[inch-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +- 14 x 2.125 |
|
| 10 | +- 16 x 2.125 |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +## The "2.4" — Tire Width |
|
| 15 | + |
|
| 16 | + |
|
| 17 | +When you see a tire size labeled as **12 x 2.4**, it is using the Imperial system (inches). Here is the breakdown: |
|
| 18 | + |
|
| 19 | + |
|
| 20 | +The second number represents the **Width** of the tire at its widest point when inflated. |
|
| 21 | +* **Measurement:** 2.4 inches. |
|
| 22 | +* **Metric Conversion:** $2.4 \times 25.4 = \mathbf{60.96\text{ mm}}$ (approx. 61mm). |
|
| 23 | +* **Significance:** A 2.4-inch tire is considered a "Wide" or "Fat" tire. For your **human-carrying scooter**, this is excellent because: |
|
| 24 | + * **Stability:** A wider contact patch provides better balance. |
|
| 25 | + * **Cushioning:** Larger air volume acts as a natural shock absorber for a smoother ride. |
|
| 26 | + |
|
| 27 | + |
|
| 28 | +- 12~20 inch |
|
| 29 | + |
|
| 30 | +## 14-inch wheels == kids bike |
|
| 31 | + |
|
| 32 | + |
|
| 33 | + |
|
| 34 | + |
|
| 35 | + |
|
| 36 | +front wheel |
|
| 37 | + |
|
| 38 | + |
|
| 39 | + |
|
| 40 | + |
|
| 41 | + |
|
| 42 | +rear wheel |
|
| 43 | + |
|
| 44 | + |
|
| 45 | + |
|
| 46 | + |
|
| 47 | + |
|
| 48 | +## other sizes |
|
| 49 | + |
|
| 50 | +- 24-inch == wheelchair |
|
| 51 | + |
|
| 52 | + |
|
| 53 | + |
|
| 54 | + |
|
| 55 | +## static wheel hub |
|
| 56 | + |
|
| 57 | +in almost all modern bicycles, the axle itself does not rotate. |
|
| 58 | + |
|
| 59 | +### Bicycle Rear Wheel Rotation: What Moves? |
|
| 60 | + |
|
| 61 | +| Component | Status | Movement Description | |
|
| 62 | +| :-------------------- | :------------- | :----------------------------------------------------------------- | |
|
| 63 | +| **Axle (The Axis)** | **Stationary** | Bolted or clamped to the bike frame; it never spins. | |
|
| 64 | +| **Sprockets (Gears)** | **Rotating** | Spin when you pedal; they stay still when you "coast." | |
|
| 65 | +| **Hub Shell & Wheel** | **Rotating** | Always spin while the bike is in motion. | |
|
| 66 | +| **Bearings** | **Active** | The bridge that allows the wheel to spin *around* the static axle. | |
|
| 67 | + |
|
| 68 | +--- |
|
| 69 | + |
|
| 70 | +### How it works: |
|
| 71 | +1. Your **frame** holds the **axle** perfectly still. |
|
| 72 | +2. The **bearings** sit on that axle. |
|
| 73 | +3. The **hub** (the middle of the wheel) sits on the bearings. |
|
| 74 | +4. When you pedal, the **sprockets** push the hub, and the whole wheel spins around that fixed center axis. |
|
| 75 | + |
|
| 76 | + |
|
| 77 | + |
|
| 78 | +## 塔基 / 卡式 花鼓 / 旋式花鼓 |
|
| 79 | + |
|
| 80 | + |
|
| 81 | + |
|
| 82 | +## ref |
|
| 83 | + |
|
| 84 | +- [[wheel]] - [[wheel-hub]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/Fixture-dat/Fixture-dat.md
| ... | ... | @@ -0,0 +1,20 @@ |
| 1 | + |
|
| 2 | +# Fixture-dat |
|
| 3 | + |
|
| 4 | +## push-pull == side |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +## vertical press |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +## door locker |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +## ref |
|
| 19 | + |
|
| 20 | +- [[fixture]] - [[mechanical-structure]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/Rivet-dat/Rivet-Tubular-dat/Rivet-Tubular-dat.md
| ... | ... | @@ -0,0 +1,39 @@ |
| 1 | + |
|
| 2 | +# Rivet-Tubular-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +## Semi-Tubular Rivet (Tubular Rivet) |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +- Hollow at the tail, slightly deformed during installation. |
|
| 11 | +- Leaves a shaft that can act like a **pin**, allowing attached pieces to **rotate**. |
|
| 12 | +- Can also act as a **built-in spacer** if you control the gap when pressing it. |
|
| 13 | + |
|
| 14 | +管状铆钉：强调它是“中空的圆管状”，尾部可轻微展开。 |
|
| 15 | + |
|
| 16 | +半空心铆钉：常用在手工 / 皮革 / 轻金属 DIY 场景，尾部只有部分空心，方便旋转或作为活动关节。 |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +## hand rivet tools |
|
| 24 | + |
|
| 25 | +https://www.instagram.com/reel/CjiwHKfgFZo/?igshid=YmMyMTA2M2Y%3D |
|
| 26 | + |
|
| 27 | +打锤 + 铆钉座／冲头（Hammer + Rivet Setter / Anvil / Bucking Bar / Setters） — 对于某些铆钉（尤其在皮革、布料、铜铆钉、花帽铆钉等）可以在锤子 + 座子/冲头上手工敲压固定。适合简易金属片、皮革、布料等，或者当你没有铆枪时。很多皮革／手工爱好者会用这类工具。 |
|
| 28 | + |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | + |
|
| 33 | + |
|
| 34 | + |
|
| 35 | + |
|
| 36 | +## ref |
|
| 37 | + |
|
| 38 | +- [[rivet-dat]] |
|
| 39 | + |
fab-mechanics-dat/mechanical-structure-dat/Rivet-dat/Rivet-dat.md
| ... | ... | @@ -0,0 +1,101 @@ |
| 1 | + |
|
| 2 | +# Rivet-dat |
|
| 3 | + |
|
| 4 | +- [[rivet-nut-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## Spacer / Washer + Pin or Rivet |
|
| 10 | +- Place a **metal or plastic washer** between parts. |
|
| 11 | +- Insert a solid or semi-tubular rivet/pin through the washer. |
|
| 12 | +- Rivet clamps only the washer, leaving a **free gap for rotation**. |
|
| 13 | +- Works with many rivet types and is very precise. |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +## cap rivet |
|
| 17 | + |
|
| 18 | +- Also called a **decorative rivet**, commonly used in leather, fabric, or light metal decoration. |
|
| 19 | +- Once installed, the head and shaft clamp the materials tightly. |
|
| 20 | +- **Does NOT allow rotation** and is not suitable as a spacer by itself. |
|
| 21 | +- For **decorative** or permanent fastening**, not mechanical rotation. |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | +## info |
|
| 28 | + |
|
| 29 | +A **rivet** is a type of permanent mechanical fastener used to join two or more pieces of material together, such as metal, plastic, or leather. |
|
| 30 | + |
|
| 31 | +### How a Rivet Works |
|
| 32 | +1. A hole is drilled through the materials. |
|
| 33 | +2. The rivet is inserted into the hole. |
|
| 34 | +3. The tail end of the rivet is deformed (flattened or expanded). |
|
| 35 | +4. This creates two “heads” that clamp the materials tightly together. |
|
| 36 | + |
|
| 37 | +Once installed, a rivet **cannot be removed without destroying it**, making it a strong and reliable connection. |
|
| 38 | + |
|
| 39 | +--- |
|
| 40 | + |
|
| 41 | +### Basic Structure |
|
| 42 | +- **Head**: The factory-made top of the rivet. |
|
| 43 | +- **Shank**: The cylindrical body that goes through the hole. |
|
| 44 | +- **Tail**: The end that gets deformed during installation. |
|
| 45 | + |
|
| 46 | +--- |
|
| 47 | + |
|
| 48 | +### Common Types of Rivets |
|
| 49 | +- **Solid Rivet**: Strongest type, used in aircraft and heavy machinery. |
|
| 50 | +- **Blind Rivet (Pop Rivet)**: Installed with a rivet gun, used when only one side is accessible. |
|
| 51 | +- **Hollow Rivet**: Used for leather, fabric, or light materials. |
|
| 52 | +- **Semi-Tubular Rivet**: Used for rotating joints; the tail is partially hollow. |
|
| 53 | + |
|
| 54 | +--- |
|
| 55 | + |
|
| 56 | +### Why Rivets Are Used |
|
| 57 | +- Strong and vibration-resistant |
|
| 58 | +- Simple and low-cost |
|
| 59 | +- Good for thin sheets and layered materials |
|
| 60 | +- Do not loosen like screws can |
|
| 61 | + |
|
| 62 | +--- |
|
| 63 | + |
|
| 64 | +### Simple Explanation |
|
| 65 | +A rivet is **a metal pin that you put through a hole and squash the end to lock two parts together**. |
|
| 66 | + |
|
| 67 | + |
|
| 68 | + |
|
| 69 | + |
|
| 70 | +## Can a Rivet Joint Keep a Gap and Allow Rotation? |
|
| 71 | + |
|
| 72 | +Yes, a rivet joint **can** keep a controlled gap and allow rotation — but only if you use the correct method. A normal rivet creates a tight, permanent joint that cannot rotate. Here are the practical solutions: |
|
| 73 | + |
|
| 74 | +--- |
|
| 75 | + |
|
| 76 | +### ✅ Method 1: Loose Riveting (Hinge-Style Rivet Joint) |
|
| 77 | +Do not fully squeeze the rivet tail. Leave a small clearance so the two plates are not clamped tightly. |
|
| 78 | + |
|
| 79 | +**Effect:** |
|
| 80 | +- The plates stay aligned by the rivet shaft. |
|
| 81 | +- A small gap remains. |
|
| 82 | +- The plates can rotate around the rivet. |
|
| 83 | + |
|
| 84 | +**Cons:** |
|
| 85 | +- Gap is hard to control precisely. |
|
| 86 | + |
|
| 87 | +- Rotation may not be very smooth. |
|
| 88 | + |
|
| 89 | +--- |
|
| 90 | + |
|
| 91 | +### ✅ Method 2: Add a Washer or Spacer |
|
| 92 | +Place **washers** or a **spacer** between the two plates, then rivet through them. |
|
| 93 | + |
|
| 94 | +**Effect:** |
|
| 95 | +- The gap is controlled by the washer/spacer thickness. |
|
| 96 | +- The rivet clamps the spacer, not the plates. |
|
| 97 | +- The joint rotates smoothly and reliably. |
|
| 98 | + |
|
| 99 | +👉 This is the **recommended** method for precise rotation. |
|
| 100 | + |
|
| 101 | + |
fab-mechanics-dat/mechanical-structure-dat/Rivet-dat/rivet-PEM-dat/2026-01-01-03-29-44.png
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fab-mechanics-dat/mechanical-structure-dat/Rivet-dat/rivet-PEM-dat/rivet-PEM-dat.md
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| 1 | + |
|
| 2 | +# rivet-PEM-dat |
|
| 3 | + |
|
| 4 | +## rivet PEM |
|
| 5 | +（一）盲孔压铆螺柱 |
|
| 6 | +1. 镀锌（碳钢）- 盲孔压铆螺柱 |
|
| 7 | +※ 工程图标注参考：产品代码（或直接输入：镀锌盲孔压铆螺柱） - 螺纹码 - 长度码；例：BSO-M3-7 或 镀锌盲孔压铆螺柱-M3-7 |
|
| 8 | + |
|
| 9 | +※ 用途：镀锌板、冷轧板 |
|
| 10 | + |
|
| 11 | +BSO-M4-6 |
|
| 12 | +BSO-M3-6 |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | +4x M4 BSO-M4-6 背面安装 |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/Rivet-dat/rivet-nut-dat/rivet-nut-dat.md
| ... | ... | @@ -0,0 +1,79 @@ |
| 1 | + |
|
| 2 | +# rivet-nut-dat |
|
| 3 | + |
|
| 4 | +- [[fab-sheet-metal-annotation-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +## pull rivet |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +## pull tool |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | +能从一侧安装、通用性最强 → 铆钉螺母 |
|
| 21 | + |
|
| 22 | +能用压床、追求稳定与精度 → 压铆螺母 |
|
| 23 | + |
|
| 24 | +| 项目 | 铆钉螺母 | 压铆螺母 | |
|
| 25 | +| ---------- | --------------------------- | ---------------------------- | |
|
| 26 | +| 英文 | Rivet Nut / Blind Rivet Nut | PEM Nut / Self-Clinching Nut | |
|
| 27 | +| 固定原理 | 拉铆变形夹紧板材 | 齿纹压入材料冷流锁死 | |
|
| 28 | +| 是否“盲装” | ✅ 是（单面操作） | ❌ 否（需双面受力） | |
|
| 29 | +| 是否可拆 | ❌ 不可拆 | ❌ 不可拆 | |
|
| 30 | + |
|
| 31 | + |
|
| 32 | +三、安装方式差异（非常关键） |
|
| 33 | +🔹 铆钉螺母（Rivet Nut） |
|
| 34 | + |
|
| 35 | +安装过程 |
|
| 36 | + |
|
| 37 | +钻孔 |
|
| 38 | + |
|
| 39 | +插入螺母 |
|
| 40 | + |
|
| 41 | +用铆枪拉芯 → 后端鼓包 |
|
| 42 | + |
|
| 43 | +特点 |
|
| 44 | + |
|
| 45 | +从一侧即可完成 |
|
| 46 | + |
|
| 47 | +不需要压床 |
|
| 48 | + |
|
| 49 | +现场安装友好 |
|
| 50 | + |
|
| 51 | +📌 类似：抽芯铆钉 + 螺纹 |
|
| 52 | + |
|
| 53 | +🔹 压铆螺母（PEM Nut） |
|
| 54 | + |
|
| 55 | +安装过程 |
|
| 56 | + |
|
| 57 | +冲孔（精确尺寸） |
|
| 58 | + |
|
| 59 | +放入螺母 |
|
| 60 | + |
|
| 61 | +压床直接压入 |
|
| 62 | + |
|
| 63 | +特点 |
|
| 64 | + |
|
| 65 | +需要上下两侧受力 |
|
| 66 | + |
|
| 67 | +依赖材料“冷流” |
|
| 68 | + |
|
| 69 | +精度和稳定性更好 |
|
| 70 | + |
|
| 71 | + |
|
| 72 | + |
|
| 73 | + |
|
| 74 | + |
|
| 75 | +## ref |
|
| 76 | + |
|
| 77 | +- [[rivet-dat]] - [[rivet]] - [[mechanical-structure]] |
|
| 78 | + |
|
| 79 | +- [[rivet-nut]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/Rivet-dat/rivet-pop-dat/rivet-pop-dat.md
| ... | ... | @@ -0,0 +1,17 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# rivet-pop-dat.md |
|
| 4 | + |
|
| 5 | +## pop rivet |
|
| 6 | + |
|
| 7 | +### After a Pop Rivet (Blind Rivet) Is Installed, Can It Rotate? |
|
| 8 | + |
|
| 9 | +After a pop rivet (blind rivet) is pulled (installed), it becomes a **tight, permanent, non-rotating joint**. |
|
| 10 | + |
|
| 11 | +When the mandrel pulls the rivet: |
|
| 12 | +- The rivet body expands. |
|
| 13 | +- It clamps the material tightly. |
|
| 14 | +- There is **no clearance** for rotation. |
|
| 15 | +- The joint becomes fixed and cannot rotate. |
|
| 16 | + |
|
| 17 | +This is the *intended behavior* of a pop rivet. |
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fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/Shaft-dat.md
| ... | ... | @@ -0,0 +1,123 @@ |
| 1 | +# Shaft-dat |
|
| 2 | + |
|
| 3 | + |
|
| 4 | +- [[shaft-dat]] - [[tube-dat]] - [[rod-dat]] |
|
| 5 | + |
|
| 6 | +- [[mechanical-structure-dat]] - [[materials-dat]] |
|
| 7 | + |
|
| 8 | +- [[shaft-connection-dat]] |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +- [[tube-bend-dat]] |
|
| 12 | + |
|
| 13 | +- [[shaft-dat]] - [[tube-lean-dat]] - [[tube-copper-dat]] - [[tube-oval-dat]] - [[tube-PVC-dat]] - [[tube-steel-square-dat]] |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +## dimension |
|
| 19 | + |
|
| 20 | +- 8mm |
|
| 21 | + |
|
| 22 | +- 6mm - [[3d-printer-dat]] use shaft holder == 6.35 with screws |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | +## smooth shaft accessories |
|
| 27 | + |
|
| 28 | +- [[shaft-dat]] - [[shaft-locking-dat]] |
|
| 29 | + |
|
| 30 | +- [[shaft-coupler-dat]] - [[Shaft-Cross-Connector-dat]] |
|
| 31 | + |
|
| 32 | + |
|
| 33 | + |
|
| 34 | + |
|
| 35 | +## tech |
|
| 36 | + |
|
| 37 | +- [[shaft-dat]] - [[shaft-waterproof-dat]] - [[waterproof-dat]] |
|
| 38 | + |
|
| 39 | + |
|
| 40 | + |
|
| 41 | +## Shaft cutting |
|
| 42 | + |
|
| 43 | +Is it dangerous to cut a 6 mm smooth shaft (steel) with an angle grinder? |
|
| 44 | + |
|
| 45 | +Yes. There are risks, especially in the following situations: |
|
| 46 | + |
|
| 47 | +1. High angle grinder speed |
|
| 48 | + |
|
| 49 | +Angle grinders typically run above 10,000 RPM. When cutting metal, if the workpiece is not clamped securely or the angle is wrong and the shaft rolls, this can cause: |
|
| 50 | + |
|
| 51 | +- Hand injury (kickback) |
|
| 52 | +- Workpiece ejection |
|
| 53 | +- Cutting wheel shattering (severe hazard) |
|
| 54 | + |
|
| 55 | +2. Round shaft is hard to secure |
|
| 56 | + |
|
| 57 | +A round shaft can roll or be grabbed by the wheel, which may lead to: |
|
| 58 | + |
|
| 59 | +- Disc jam |
|
| 60 | +- Thrown workpiece |
|
| 61 | + |
|
| 62 | +3. Cutting discs are unfriendly to small-diameter metal |
|
| 63 | + |
|
| 64 | +Cutting thin rods → easy to bite → can cause kickback |
|
| 65 | + |
|
| 66 | +How to make it safer |
|
| 67 | + |
|
| 68 | +- Use proper fixturing |
|
| 69 | + |
|
| 70 | + Secure the shaft. Recommended: |
|
| 71 | + |
|
| 72 | + - Use a bench vise (required) |
|
| 73 | + - Wrap the clamped area with aluminum or wood to prevent slipping |
|
| 74 | + |
|
| 75 | +- Use a cut-off disc, not a grinding disc |
|
| 76 | + |
|
| 77 | + Use a metal cut-off disc (thin cut-off). Do not use a grinding disc to sever the shaft. |
|
| 78 | + |
|
| 79 | +- Wear personal protective equipment |
|
| 80 | + |
|
| 81 | + - Safety goggles |
|
| 82 | + - Cut-resistant gloves |
|
| 83 | + - Long sleeves |
|
| 84 | + |
|
| 85 | +- Avoid contacting the wheel side |
|
| 86 | + |
|
| 87 | + Use only the thin cutting edge of the disc; do not apply side pressure. |
|
| 88 | + |
|
| 89 | +- Cut gently, do not force |
|
| 90 | + |
|
| 91 | + Keep a steady motion; do not rock the shaft. |
|
| 92 | + |
|
| 93 | + |
|
| 94 | + |
|
| 95 | + |
|
| 96 | + |
|
| 97 | +## shaft assembly |
|
| 98 | + |
|
| 99 | +芯轴加热 / 冷冻的本质作用只有一个： |
|
| 100 | +——利用热胀冷缩，让“本来很紧的过盈配合在装配瞬间变得好装”。 |
|
| 101 | +下面我用直观 + 定量给你解释清楚。 |
|
| 102 | +一、一句话核心原理 |
|
| 103 | +加热孔 → 孔变大 |
|
| 104 | +冷冻轴 → 轴变小 |
|
| 105 | +👉 装配瞬间从“硬压”变成“顺滑插入”， |
|
| 106 | +冷却后恢复尺寸，形成非常牢固的过盈配合。 |
|
| 107 | + |
|
| 108 | + |
|
| 109 | +## jack shaft |
|
| 110 | + |
|
| 111 | + |
|
| 112 | + |
|
| 113 | +== 中间轴 |
|
| 114 | + |
|
| 115 | + |
|
| 116 | + |
|
| 117 | + |
|
| 118 | + |
|
| 119 | +## ref |
|
| 120 | + |
|
| 121 | +- [[rod-system-dat]] |
|
| 122 | + |
|
| 123 | +- [[m]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-carbon-dat/rod-carbon-dat.md
| ... | ... | @@ -0,0 +1,68 @@ |
| 1 | + |
|
| 2 | +# carbon-rods-dat |
|
| 3 | + |
|
| 4 | +**Carbon rods** (also called **carbon fiber rods**) are lightweight, high-strength structural components widely used in radio-controlled (RC) aircraft, gliders, multirotors, and other hobby models. |
|
| 5 | + |
|
| 6 | +--- |
|
| 7 | + |
|
| 8 | +## 1. What Are Carbon Rods? |
|
| 9 | +Carbon rods are made from **carbon fiber strands** bonded together with epoxy resin. |
|
| 10 | +They are extremely **strong**, **rigid**, and **lightweight**, making them ideal for structural reinforcement in model aircraft. |
|
| 11 | + |
|
| 12 | +--- |
|
| 13 | + |
|
| 14 | +## 2. Key Features |
|
| 15 | +- **High strength-to-weight ratio** |
|
| 16 | +- **Very stiff** (excellent for wings and fuselage reinforcement) |
|
| 17 | +- **Corrosion-resistant** |
|
| 18 | +- **Lightweight compared to metal rods** |
|
| 19 | +- **Does not warp with humidity or temperature changes** |
|
| 20 | + |
|
| 21 | +--- |
|
| 22 | + |
|
| 23 | +## 3. Common Shapes |
|
| 24 | +1. **Solid round rods** |
|
| 25 | + - Used for spars, pushrods, and general reinforcement |
|
| 26 | +2. **Hollow tubes** |
|
| 27 | + - Lighter than solid rods, used for wing spars or long stiff beams |
|
| 28 | +3. **Flat strips (carbon plates)** |
|
| 29 | + - Used to strengthen fuselage sides, wing trailing edges, or control surfaces |
|
| 30 | + |
|
| 31 | +--- |
|
| 32 | + |
|
| 33 | +## 4. Typical Uses in RC Aircraft |
|
| 34 | +- **Wing spars** (main structural support inside the wing) |
|
| 35 | +- **Fuselage reinforcement** |
|
| 36 | +- **Tail boom structures** |
|
| 37 | +- **Control pushrods** |
|
| 38 | +- **Motor mounts** (for lightweight electric planes) |
|
| 39 | +- **FPV plane rigidity enhancement** |
|
| 40 | + |
|
| 41 | +--- |
|
| 42 | + |
|
| 43 | +## 5. Advantages in RC Models |
|
| 44 | +- Provides **rigidity** without adding much weight |
|
| 45 | +- Greatly increases **structural strength** |
|
| 46 | +- Helps prevent wing flex at high speeds |
|
| 47 | +- Improves flight precision and durability |
|
| 48 | + |
|
| 49 | +--- |
|
| 50 | + |
|
| 51 | +## 6. Adhesives and Bonding |
|
| 52 | +Compatible glues include: |
|
| 53 | +- **Epoxy** |
|
| 54 | +- **CA glue (foam-safe when used on foam models)** |
|
| 55 | +- **UHU POR** (for foam aircraft) |
|
| 56 | + |
|
| 57 | +Avoid using general hot-melt glue for critical structural joints — it adds weight and low bonding strength. |
|
| 58 | + |
|
| 59 | +--- |
|
| 60 | + |
|
| 61 | +## 7. Common Diameters |
|
| 62 | +- **1mm – 3mm:** pushrods, small wings |
|
| 63 | +- **3mm – 6mm:** wing spars, fuselage reinforcement |
|
| 64 | +- **6mm – 10mm:** large wings and long FPV platforms |
|
| 65 | + |
|
| 66 | +## ref |
|
| 67 | + |
|
| 68 | +- [[rod-system-dat]] - [[materials-dat]] - [[carbon-rods-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-dat.md
| ... | ... | @@ -0,0 +1,113 @@ |
| 1 | + |
|
| 2 | +# rod-system-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[shaft-dat]] - [[tube-dat]] - [[rod-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +- [[shaft-dat]] |
|
| 9 | + |
|
| 10 | +- [[PVC-tube-dat]] |
|
| 11 | + |
|
| 12 | +- [[carbon-rods-dat]] |
|
| 13 | + |
|
| 14 | +- [[stainless-steel-solid-tube-dat]] |
|
| 15 | + |
|
| 16 | +- [[stainless-steel-hallow-tube-dat]] |
|
| 17 | + |
|
| 18 | +- [[rod-system-dat]] |
|
| 19 | + |
|
| 20 | +- [[hinge-dat]] - [[rod-tie-dat]] - [[crank-dat]] - [[rod-dat]] |
|
| 21 | + |
|
| 22 | +- [[shaft-coupler-dat]] |
|
| 23 | + |
|
| 24 | +- [[stainless-steel-dat]] - [[stainless-steel-solid-rod-dat]] - [[metal-dat]] |
|
| 25 | + |
|
| 26 | + |
|
| 27 | +- [[clamp-dat]] |
|
| 28 | + |
|
| 29 | + |
|
| 30 | +rod hinge |
|
| 31 | + |
|
| 32 | + |
|
| 33 | + |
|
| 34 | + |
|
| 35 | + |
|
| 36 | + |
|
| 37 | +## size |
|
| 38 | + |
|
| 39 | +- 3mm [[ABS-dat]] [[shaft-dat]] - weak |
|
| 40 | + |
|
| 41 | +- 3mm [[stainless-steel-solid-tube-dat]] - [[shaft-dat]] - ? |
|
| 42 | + |
|
| 43 | + |
|
| 44 | + |
|
| 45 | + |
|
| 46 | + |
|
| 47 | +## common parts |
|
| 48 | + |
|
| 49 | +- [[shaft-limit-ring-dat]] - [[shaft-coupler-dat]] |
|
| 50 | + |
|
| 51 | +- [[flange-dat]] |
|
| 52 | + |
|
| 53 | + |
|
| 54 | + |
|
| 55 | + |
|
| 56 | + |
|
| 57 | + |
|
| 58 | + |
|
| 59 | +## compare |
|
| 60 | + |
|
| 61 | +| Feature | 3mm Solid Carbon Rod | 3mm Solid Stainless Steel Rod | |
|
| 62 | +|---------|--------------------|-------------------------------| |
|
| 63 | +| **Material** | Carbon fiber (reinforced with epoxy) | Stainless steel (commonly 304 or 316) | |
|
| 64 | +| **Density / Weight** | ~1.6 g/cm³ (lightweight) | ~8.0 g/cm³ (heavy) | |
|
| 65 | +| **Tensile Strength** | ~600–1000 MPa | ~500–700 MPa | |
|
| 66 | +| **Flexural Strength / Stiffness** | Very high stiffness (high modulus) | Lower stiffness compared to carbon | |
|
| 67 | +| **Impact / Shock Resistance** | Brittle, can snap under sudden impact | Tough, can bend under load without breaking | |
|
| 68 | +| **Corrosion Resistance** | Excellent (does not rust) | Good (resists corrosion, but can rust in harsh environments) | |
|
| 69 | +| **Weight-to-Strength Ratio** | Extremely high (very strong per gram) | Low (heavier for same strength) | |
|
| 70 | +| **Practical Notes** | Ideal for **lightweight reinforcement**, RC aircraft spars, hobby robotics | Better for **impact-heavy or load-bearing metal parts**, mechanical shafts | |
|
| 71 | + |
|
| 72 | + |
|
| 73 | +### Summary |
|
| 74 | + |
|
| 75 | +- **Carbon rod** is **much lighter** and very stiff; for **bending stiffness** or lightweight structure, it is stronger per weight. |
|
| 76 | +- **Stainless steel rod** is **heavier but tougher**; it can withstand impact and bending better without snapping. |
|
| 77 | +- **Conclusion:** |
|
| 78 | + - For **lightweight RC planes, drones, or aerospace applications** → **3mm carbon rod** is preferred. |
|
| 79 | + - For **mechanical shafts or parts under heavy impact** → **3mm stainless steel rod** is safer. |
|
| 80 | + |
|
| 81 | + |
|
| 82 | + |
|
| 83 | + |
|
| 84 | + |
|
| 85 | +## other |
|
| 86 | + |
|
| 87 | +cantilevel |
|
| 88 | + |
|
| 89 | + |
|
| 90 | + |
|
| 91 | +tube cross locker |
|
| 92 | + |
|
| 93 | + |
|
| 94 | + |
|
| 95 | +vertical tube connector == water pipe joint |
|
| 96 | + |
|
| 97 | + |
|
| 98 | + |
|
| 99 | + |
|
| 100 | + |
|
| 101 | +## ref |
|
| 102 | + |
|
| 103 | +- [[mechanical-structure-dat]] |
|
| 104 | + |
|
| 105 | +- [[mechanical-structure]] - [[mechanics]] |
|
| 106 | + |
|
| 107 | + |
|
| 108 | + |
|
| 109 | +## ref |
|
| 110 | + |
|
| 111 | +- [[rod]] |
|
| 112 | + |
|
| 113 | +- [[mechanics]] |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-stainless-steel-solid-dat/rod-stainless-steel-solid-dat.md
| ... | ... | @@ -0,0 +1,74 @@ |
| 1 | + |
|
| 2 | +# stainless-steel-solid-rod-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## 切割 **6 mm 不锈钢实心棒** 可用的工具（按安全 & 效率排序） |
|
| 10 | + |
|
| 11 | +### ✅ 最推荐（安全、切口好） |
|
| 12 | +1. **金属带锯（Metal band saw）** |
|
| 13 | + - 最稳妥、反弹风险低 |
|
| 14 | + - 切口垂直、毛刺少 |
|
| 15 | + - 适合连续、多根切割 |
|
| 16 | + |
|
| 17 | +2. **冷切锯 / 金属切割锯（Cold cut saw）** |
|
| 18 | + - 使用 **不锈钢专用 TCT 锯片** |
|
| 19 | + - 切口非常平整 |
|
| 20 | + - 速度快，但设备成本较高 |
|
| 21 | + |
|
| 22 | +--- |
|
| 23 | + |
|
| 24 | +### ⚠️ 可用（需注意操作） |
|
| 25 | +3. **角磨机 + 不锈钢切割片** |
|
| 26 | + - 常见、便宜 |
|
| 27 | + - 切口粗，需要后续打磨 |
|
| 28 | + - ⚠️ 必须夹紧工件，戴护目镜 |
|
| 29 | + |
|
| 30 | +4. **台式切割机（Cut-off saw / Chop saw）** |
|
| 31 | + - 用 **不锈钢切割片** |
|
| 32 | + - 噪音大、火花多 |
|
| 33 | + - 精度一般 |
|
| 34 | + |
|
| 35 | +--- |
|
| 36 | + |
|
| 37 | +### 🐢 手动 / 低速方案 |
|
| 38 | +5. **手动弓锯（Hacksaw，24–32 TPI）** |
|
| 39 | + - 成本最低 |
|
| 40 | + - 适合少量或精细控制 |
|
| 41 | + - 慢但安全 |
|
| 42 | + |
|
| 43 | +- [[hand-Hacksaw-dat]] - [[tools-hand-dat]] |
|
| 44 | + |
|
| 45 | + |
|
| 46 | +6. **台钻 + 切割附件（不推荐为主方案）** |
|
| 47 | + - 可行但效率低 |
|
| 48 | + - 对准和夹持要求高 |
|
| 49 | + |
|
| 50 | +--- |
|
| 51 | + |
|
| 52 | +## ❌ 不适合 / 不安全 |
|
| 53 | +- ❌ **木工台锯** |
|
| 54 | +- ❌ **木工圆锯片** |
|
| 55 | +- ❌ **高速钢薄圆锯片（用于台锯/角磨机）** |
|
| 56 | +- ❌ **曲线锯（易断条）** |
|
| 57 | + |
|
| 58 | +--- |
|
| 59 | + |
|
| 60 | +## 🔧 锯片 / 切割片选择要点 |
|
| 61 | +- 标注：**Stainless Steel / Inox** |
|
| 62 | +- 切割片厚度：**1.0–1.2 mm** |
|
| 63 | +- 若用带锯：**14–18 TPI** 适合 6 mm 实心棒 |
|
| 64 | +- 允许的话：**少量切削液** 可明显降温、延长寿命 |
|
| 65 | + |
|
| 66 | +--- |
|
| 67 | + |
|
| 68 | +## 一句话建议 |
|
| 69 | +> **最佳选择：金属带锯** |
|
| 70 | +> **最普遍可行：角磨机 + 不锈钢切割片** |
|
| 71 | + |
|
| 72 | +## ref |
|
| 73 | + |
|
| 74 | +- [[grinder-angle-dat]] |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-tie-dat/2025-12-06-13-44-22.png
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fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-tie-dat/rod-tie-dat.md
| ... | ... | @@ -0,0 +1,27 @@ |
| 1 | + |
|
| 2 | +# rod-tie-dat |
|
| 3 | + |
|
| 4 | +- [[hinge-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +## Tie Rod vs Hinge |
|
| 11 | + |
|
| 12 | +| Feature | Tie Rod | Hinge | |
|
| 13 | +|-------------------------|--------------------------------------|----------------------------------------| |
|
| 14 | +| **Function** | Transmits **tensile force** (pulling). | Allows **rotational movement** around a fixed axis. | |
|
| 15 | +| **Load Type** | Works under **tension**, rarely compression. | Works under **rotation**, may carry vertical/horizontal loads depending on design. | |
|
| 16 | +| **Movement Allowed** | Linear connection; **no rotation** at ends unless designed with joints. | Rotational; **connects two parts allowing pivoting**. | |
|
| 17 | +| **Typical Applications**| Structural reinforcement, suspension, kinematic linkages. | Doors, lids, flaps, robotic joints, mechanical linkages. | |
|
| 18 | +| **Example** | Car suspension tie rod, truss tie rod. | Door hinge, laptop hinge, robot elbow hinge. | |
|
| 19 | + |
|
| 20 | +### Key Difference |
|
| 21 | +- **Tie Rod:** Keeps parts **aligned and under tension**, preventing separation or spreading. |
|
| 22 | +- **Hinge:** **Connects two parts and allows rotation**, does not resist tension in a straight line. |
|
| 23 | + |
|
| 24 | + |
|
| 25 | +## ref |
|
| 26 | + |
|
| 27 | +- [[rod-system-dat]] - [[hinge-dat]] - [[rod-tie-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-wood-dat/rod-wood-dat.md
| ... | ... | @@ -0,0 +1,53 @@ |
| 1 | + |
|
| 2 | +# rod-wood-dat |
|
| 3 | + |
|
| 4 | +- [[construction-dat]] - [[rod-wood-dat]] - [[tube-steel-square-dat]] |
|
| 5 | + |
|
| 6 | +一、先给结论（方便你快速判断） |
|
| 7 | + |
|
| 8 | +在合理结构布置（有圈梁 / 拉杆）的前提下： |
|
| 9 | + |
|
| 10 | +✅ 实心木柱直径建议 ≥ 120～150 mm |
|
| 11 | +⚠️ 绝对不建议低于 100 mm |
|
| 12 | + |
|
| 13 | +如果： |
|
| 14 | + |
|
| 15 | +层高 > 2.8 m |
|
| 16 | + |
|
| 17 | +或室外、有风 |
|
| 18 | + |
|
| 19 | +或连接方式比较“手工 / DIY” |
|
| 20 | + |
|
| 21 | +👉 建议直接上 150 mm 以上 |
|
| 22 | + |
|
| 23 | +二、为什么木头要比钢管粗这么多？ |
|
| 24 | +1️⃣ 材料强度差异（本质原因） |
|
| 25 | +材料 抗压强度（顺纹） |
|
| 26 | +普通结构钢 200～250 MPa |
|
| 27 | +建筑用木材（松 / 杉） 20～40 MPa |
|
| 28 | +硬木（榉木、橡木） 40～60 MPa |
|
| 29 | + |
|
| 30 | +👉 钢是木头的 5～10 倍 |
|
| 31 | + |
|
| 32 | +2️⃣ 木结构真正的弱点：失稳 + 缺陷 |
|
| 33 | + |
|
| 34 | +木头有： |
|
| 35 | + |
|
| 36 | +年轮 |
|
| 37 | + |
|
| 38 | +节疤 |
|
| 39 | + |
|
| 40 | +裂纹 |
|
| 41 | + |
|
| 42 | +含水率变化 |
|
| 43 | + |
|
| 44 | +所以工程上： |
|
| 45 | + |
|
| 46 | +安全系数通常 ≥ 4～6 |
|
| 47 | + |
|
| 48 | +不能按“极限强度”用 |
|
| 49 | + |
|
| 50 | + |
|
| 51 | +## ref |
|
| 52 | + |
|
| 53 | +- [[rod-dat]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-connection-dat/Shaft-Cross-Connector-dat/Shaft-Cross-Connector-dat.md
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| 1 | + |
|
| 2 | +# Shaft-Cross-Connector-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +## types |
|
| 8 | + |
|
| 9 | +cross connector 1 |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +cross connector 2 - customized locker |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +cross connector 3 - purpose for water tube |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | +## apps |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | + |
|
| 33 | + |
|
| 34 | + |
|
| 35 | +## ref |
|
| 36 | + |
|
| 37 | +- [[shaft-dat]] - [[shaft]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-connection-dat/shaft-connection-dat.md
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| 1 | + |
|
| 2 | +# shaft-connection-dat |
|
| 3 | + |
|
| 4 | +- [[Shaft-Cross-Connector-dat]] - [[shaft-coupler-dat]] |
|
| 5 | + |
|
| 6 | +- [[shaft-dat]] |
|
| 7 | + |
|
| 8 | +## connection methods |
|
| 9 | + |
|
| 10 | +- [[screw-dat]] |
|
| 11 | + |
|
| 12 | +- [[thread-dat]] |
|
| 13 | + |
|
| 14 | +- [[rivet-dat]] - [[screw-dat]] |
|
| 15 | + |
|
| 16 | + |
|
| 17 | +### 方案 3：钎焊 / 焊接（非烙铁） |
|
| 18 | + |
|
| 19 | +铝钎焊（>500°C） |
|
| 20 | + |
|
| 21 | +激光焊 / TIG（专业设备） |
|
| 22 | + |
|
| 23 | +⚠️ 这是完全不同工艺，非 DIY 范畴 |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | +### large tube hold small shaft |
|
| 28 | + |
|
| 29 | +三、可行的解决方案 |
|
| 30 | +方案 1：开槽 + 喉箍（薄壁首选） |
|
| 31 | + |
|
| 32 | +薄壁 1.5 mm 攻丝不可靠 |
|
| 33 | + |
|
| 34 | +改用喉箍或外夹方式 |
|
| 35 | + |
|
| 36 | +可加 2 条喉箍提高稳定性 |
|
| 37 | + |
|
| 38 | + |
|
| 39 | +### round-ball locking system |
|
| 40 | + |
|
| 41 | +methods |
|
| 42 | + |
|
| 43 | + |
|
| 44 | + |
|
| 45 | + |
|
| 46 | + |
|
| 47 | +## enforce the shaft connection |
|
| 48 | + |
|
| 49 | +### 1. The "D-Flat" Method (Best Performance) |
|
| 50 | +If your motor shaft is perfectly round, the set screw has no mechanical advantage. You need to create a flat surface for the screw to sit on. |
|
| 51 | + |
|
| 52 | +* **Action:** Use a metal file or a rotary tool (Dremel) to grind a small, flat section onto the motor shaft where the set screw contacts it. |
|
| 53 | +* **Why it works:** The screw now acts as a physical "stop" rather than just relying on friction. Even if the screw loosens slightly, the shaft cannot rotate past the flat wall. |
|
| 54 | + |
|
| 55 | + |
|
| 56 | + |
|
| 57 | +### 2. Chemical and Mechanical Tweaks |
|
| 58 | +If you cannot grind the shaft, try these tactical fixes: |
|
| 59 | + |
|
| 60 | +* **Threadlocker (Blue Loctite 242):** Vibrations from the motor often back out the small hex screws. Apply a drop of **Blue Loctite** to the threads. It stays secure during operation but can still be removed with a hand wrench. |
|
| 61 | +* **Dimpling:** Instead of a full flat side, use a drill bit to make a very shallow "crater" or dimple in the shaft. The tip of the set screw will nest inside this hole. |
|
| 62 | +* **Double Screws:** If your coupler has space, try to use two set screws at **90 degrees** to each other. One hits the flat side, the other provides lateral tension. |
|
| 63 | + |
|
| 64 | +### 3. Hardware Upgrades |
|
| 65 | +For high-torque projects like your **Rover V2**, the entry-level hardware might be the bottleneck. Consider upgrading to these types: |
|
| 66 | + |
|
| 67 | +| Coupler Type | Why it solves the problem | |
|
| 68 | +| :-------------------------- | :------------------------------------------------------------------------------------------------------------------------------------------------ | |
|
| 69 | +| **Clamping Coupler** | Instead of a screw "poking" the shaft, the entire coupler body "squeezes" the shaft 360°. This offers massive surface area and zero shaft damage. | |
|
| 70 | +| **Flexible/Spider Coupler** | Includes a rubber "spider" insert. It grips better and absorbs the vibrations that usually shake set screws loose. | |
|
| 71 | +| **Keyway Coupler** | Uses a square metal "key" that fits into slots on both the shaft and coupler. This is the industrial standard for zero-slip power transfer. | |
|
| 72 | + |
|
| 73 | + |
|
| 74 | + |
|
| 75 | +### 4. Check Axial Alignment |
|
| 76 | +If the motor shaft and the load shaft are not perfectly centered, the coupler has to "bend" slightly with every rotation. This creates a pulsing force that effectively unscrews your hex bolts over time. |
|
| 77 | + |
|
| 78 | +* **Quick Test:** Spin the motor slowly. If you see the coupler "wobbling" or the motor vibrating on its mount, you need to realign the brackets or switch to a **Universal Joint (U-Joint)**. |
|
| 79 | + |
|
| 80 | + |
|
| 81 | + |
|
| 82 | +## ref |
|
| 83 | + |
|
| 84 | +- [[shaft-dat]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-connection-dat/shaft-coupler-dat/shaft-coupler-dat.md
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| 1 | + |
|
| 2 | +# shaft-coupler-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +## L type coupler |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +## Shaft Coupler |
|
| 15 | + |
|
| 16 | +A **shaft coupler** is a mechanical component used to **connect two rotating shafts**. It primarily functions to transmit torque while allowing for slight axial, radial, or angular misalignments. |
|
| 17 | + |
|
| 18 | +--- |
|
| 19 | + |
|
| 20 | +### Types of Shaft Couplers |
|
| 21 | + |
|
| 22 | +#### 1. Rigid Coupler |
|
| 23 | +- **Features**: No elasticity, provides a solid connection, requires precise shaft alignment. |
|
| 24 | +- **Applications**: High-precision CNC machines, industrial machinery. |
|
| 25 | + |
|
| 26 | +#### 2. Flexible Coupler |
|
| 27 | +- **Features**: Can absorb slight misalignment, reduce vibration, and minimize impact. |
|
| 28 | +- **Common Types**: |
|
| 29 | + - **Jaw Coupling** – Uses an elastomer insert to absorb vibrations; suitable for stepper and servo motors. |
|
| 30 | + - **Bellows Coupling** – High torque transmission capability, ideal for precision applications. |
|
| 31 | + - **Disc Coupling** – Used in high-speed and high-precision applications, such as robotics and aerospace. |
|
| 32 | + |
|
| 33 | +#### 3. Universal Joint (U-Joint) |
|
| 34 | +- **Features**: Allows for larger angular misalignment, commonly used for shafts that are not in perfect alignment. |
|
| 35 | +- **Applications**: Automotive drivetrains, heavy machinery. |
|
| 36 | + |
|
| 37 | +#### 4. Oldham Coupling |
|
| 38 | +- **Features**: Compensates for significant radial misalignment, commonly used in automation and 3D printing. |
|
| 39 | + |
|
| 40 | +--- |
|
| 41 | + |
|
| 42 | +### Key Functions of Shaft Couplers |
|
| 43 | +✅ **Torque Transmission** – Connects the motor to the driven shaft for power transfer. |
|
| 44 | +✅ **Misalignment Compensation** – Allows slight shaft misalignment, reducing stress. |
|
| 45 | +✅ **Vibration & Shock Absorption** – Helps dampen vibrations and protect mechanical components. |
|
| 46 | +✅ **Equipment Protection** – Some couplers act as safety devices in case of overload. |
|
| 47 | + |
|
| 48 | + |
|
| 49 | + |
|
| 50 | + |
|
| 51 | + |
|
| 52 | +## Why Diaphragm Couplers (Disk Couplers) Are Superior |
|
| 53 | + |
|
| 54 | +Yes, a **Diaphragm Coupler** (also known as a **Disk Coupler**) offers significantly better gripping power than a standard set-screw coupler. For a high-torque project like your **Rover V2**, this is a professional-grade upgrade. |
|
| 55 | + |
|
| 56 | +--- |
|
| 57 | + |
|
| 58 | +### 1. Clamping vs. Poking (The Grip Factor) |
|
| 59 | +The primary reason it works better is the **fixing method**: |
|
| 60 | +* **Your Current Coupler:** Uses a "Set Screw" that pokes a single point. On an aluminum tube, this just dents the metal and slips. |
|
| 61 | +* **Diaphragm Coupler:** Most use a **Clamping Design**. When you tighten the side bolt, the entire inner circumference of the coupler shrinks to "hug" the shaft 360°. |
|
| 62 | +* **Result:** The friction is distributed over the entire surface area of the shaft, making slippage nearly impossible. |
|
| 63 | + |
|
| 64 | + |
|
| 65 | + |
|
| 66 | +### 2. Eliminating Backlash (Precision) |
|
| 67 | +In robotics, you often have frequent "Start-Stop-Reverse" movements. |
|
| 68 | +* **The Problem:** Set screws eventually wiggle and create "play" (backlash). Every time the motor reverses, the screw slams against the side of its hole, widening it. |
|
| 69 | +* **The Solution:** Diaphragm couplers are **Zero-Backlash**. The torque is transmitted through thin stainless steel springs (the disks). There are no moving parts to "clatter," which keeps the connection tight forever. |
|
| 70 | + |
|
| 71 | +### 3. Comparison Table: Why Upgrade? |
|
| 72 | + |
|
| 73 | +| Feature | Entry-Level (Set Screw) | **Diaphragm (Clamping)** | |
|
| 74 | +| :--- | :--- | :--- | |
|
| 75 | +| **Grip Strength** | Low (Point contact) | **High (Surface contact)** | |
|
| 76 | +| **Shaft Damage** | Heavy (Scratches/Dents) | **Zero (Safe for Alu tubes)** | |
|
| 77 | +| **Misalignment** | Rigid (Causes vibration) | **Flexible (Absorbs offset)** | |
|
| 78 | +| **Longevity** | Low (Screws loosen) | **High (All-metal durability)** | |
|
| 79 | + |
|
| 80 | + |
|
| 81 | + |
|
| 82 | + |
|
| 83 | +## ref |
|
| 84 | + |
|
| 85 | +- [[shaft-dat]] - [[shaft-coupler]] - [[shaft]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-limit-ring-dat/shaft-limit-ring-dat.md
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| 1 | + |
|
| 2 | +# shaft-limit-ring-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[shaft-dat]] - [[shaft-limit-ring-dat]] - [[hose-clamp-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +limiter / position locker |
|
| 16 | + |
|
| 17 | +ID == 6 / OD == 12 / Thickness == 6 |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | +## sizes specs |
|
| 22 | + |
|
| 23 | +❗️规格：内径 ID - 外径 OD - 厚度 Thickness |
|
| 24 | + |
|
| 25 | +- Φ3 - 7 - 6（5套） |
|
| 26 | +- Φ3 - 7 - 8（5套） |
|
| 27 | +- Φ4 - 8 - 6（5套） |
|
| 28 | +- Φ4 - 8 - 8（5套） |
|
| 29 | +- Φ5 - 11 - 6（5套） |
|
| 30 | +- Φ5 - 11 - 8（5套） |
|
| 31 | + |
|
| 32 | +- Φ6 - 12 - 6（5套） |
|
| 33 | +- Φ6 - 12 - 8（5套） |
|
| 34 | + |
|
| 35 | +- Φ8 - 14 - 6（5套） |
|
| 36 | +- Φ8 - 14 - 8（5套） |
|
| 37 | +- Φ10 - 16 - 6（3套） |
|
| 38 | +- Φ10 - 16 - 8（3套） |
|
| 39 | +- Φ12 - 20 - 6（3套） |
|
| 40 | +- Φ12 - 20 - 8（3套） |
|
| 41 | +- Φ13 - 22 - 8（3套） |
|
| 42 | +- Φ14 - 21 - 8（3套） |
|
| 43 | +- Φ15 - 24 - 10（3套） |
|
| 44 | +- Φ16 - 26 - 10（3套） |
|
| 45 | +- Φ17 - 32 - 10（2套） |
|
| 46 | +- Φ18 - 32 - 10（2套） |
|
| 47 | +- Φ20 - 32 - 10（2套） |
|
| 48 | +- Φ20 - 32 - 12（2套） |
|
| 49 | +- Φ22 - 35 - 10（2套） |
|
| 50 | +- Φ25 - 38 - 12（2套） |
|
| 51 | +- Φ30 - 46 - 15（1套） |
|
| 52 | +- Φ32 - 46 - 15（1套） |
|
| 53 | +- Φ35 - 50 - 15（1套） |
|
| 54 | +- Φ40 - 60 - 20（1套） |
|
| 55 | +- Φ45 - 60 - 20（1套） |
|
| 56 | +- Φ50 - 70 - 22（1套） |
|
| 57 | + |
|
| 58 | +## ref |
|
| 59 | + |
|
| 60 | +- [[screw-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-locking-dat.md
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| 1 | + |
|
| 2 | + |
|
| 3 | +# shaft-locking-dat.md |
|
| 4 | + |
|
| 5 | +- [[shaft-dat]] - [[shaft-locking-dat]] |
|
| 6 | + |
|
| 7 | +- [[shaft-limit-ring-dat]] - [[hose-clamp-dat]] |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +## most common locking method |
|
| 11 | + |
|
| 12 | +- velcro straps |
|
| 13 | +- zip ties |
|
| 14 | +- metal zip ties |
|
| 15 | + |
|
| 16 | + |
|
| 17 | +## other common locking methods 以下是一些常见的固定方式： |
|
| 18 | + |
|
| 19 | +一、管道连接和固定方式 (Pipe/Tube Connections and Fasteners): |
|
| 20 | + |
|
| 21 | +1. 螺纹连接 (Threaded Connection): 通过管道和管件上的内外螺纹直接连接。常见于小直径管道，安装和拆卸方便。 |
|
| 22 | +2. 法兰连接 (Flange Connection): 通过法兰盘、螺栓和垫片将管道或设备连接起来。承压能力强，常用于高压工况、大口径管道及需要频繁检修的场合。 |
|
| 23 | +3. 焊接连接 (Welding Connection): 通过加热使管道接口和焊条熔合连接。连接牢固、密封性好、耐用且成本低，常用于不镀锌钢管和大直径管道。 |
|
| 24 | +4. 卡压式连接 (Press-Fit/Compression Connection): 使用带有特制橡胶密封圈的管件，通过专用工具挤压，实现密封和定位固定。安装快捷、密封可靠，但通常不能拆卸。 |
|
| 25 | +5. 沟槽连接 / 卡箍连接 (Grooved Clamp Connection): 在管材、管件接头处加工环形沟槽，使用卡箍和橡胶密封圈连接。施工快捷、密封性好、便于拆卸，广泛应用于消防、空调、给水等大直径管道系统。 |
|
| 26 | +6. 卡套式连接 (Ferrule/Compression Fitting): 将配件螺母套在管道端头，通过螺旋力将管口套管压缩，实现密封连接。安装方便，可拆卸，常用于铝塑复合管和铜管。 |
|
| 27 | +7. 热熔连接 (Hot-Melt Connection): 主要用于PPR等塑料管道，通过热熔器将管道两端加热后连接。 |
|
| 28 | +8. 承插连接 (Socket Connection): 主要用于铸铁管的连接，有柔性连接（橡胶圈密封）和刚性连接（石棉水泥或膨胀性填料密封）两种。 |
|
| 29 | +9. 抱箍式连接 (Clamp Connection - for ducts): 主要用于圆形钢制通风管道与螺旋风管之间的连接。 |
|
| 30 | +10. 软管式连接 (Hose Connection): 通常指用于管道之间柔性连接的方式。 |
|
| 31 | + |
|
| 32 | +二、其他固定和支撑方式 (Other Fastening and Support Methods): |
|
| 33 | + |
|
| 34 | +1. 铆钉 (Rivets): 可以将管道连接到其他结构，在需要强度且不希望有突出部分时使用。 |
|
| 35 | +2. 粘合剂 (Adhesive): 在特定应用中，可以使用强力粘合剂来连接管件或将管道固定到其他表面，特别是在需要平滑表面或不使用机械紧固件的情况下。 |
|
| 36 | +3. 螺钉/螺栓 (Screws/Bolts): 可以通过多种方式将管状结构固定到板材或框架上，例如配合使用单孔或双孔管夹（straps）、法兰连接件。 |
|
| 37 | +4. 管夹（Pipe Clamps - general）: 除了喉箍，还有各种工业管夹，以及用于将管道固定到墙壁或结构上的专用管夹和吊架。 |
|
| 38 | +5. 支架和吊架 (Brackets and Hangers): 定制或购买各种支架和吊架，将管道固定在墙壁、天花板或其他结构上，如U型支架、吊杆等。 |
|
| 39 | +6. 膨胀螺栓/锚栓 (Anchors): 当管道需要固定在混凝土或砖石结构上时，可配合管夹使用膨胀螺栓或化学锚栓。 |
|
| 40 | +7. 槽钢和U型夹 (Strut Channel and U-Bolts): 在工业和建筑领域，常用槽钢配合U型螺栓或其他专用夹具来支撑和固定管道。 |
|
| 41 | +8. 棘轮捆绑带 / 捆扎材料 (Ratchet Straps / Strapping Material): 适用于临时固定、运输或需要施加较大压力的场合。 |
|
| 42 | +9. 管垫块和缓冲环 (Pipe Chocks and Bumper Rings): 在管道运输和储存过程中，防止管道滚动或移动，或保护管道免受冲击损伤。 |
|
| 43 | + |
|
| 44 | +在选择固定方式时，需要综合考虑管道材质、尺寸、环境条件（温度、压力、腐蚀、振动）、承重要求、是否需要频繁拆卸、安装便捷性、成本、美观性以及相关的法规和标准。 |
|
| 45 | + |
|
| 46 | + |
|
| 47 | +## ref |
|
| 48 | + |
|
| 49 | + |
|
| 50 | + |
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fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-screw-system-dat/shaft-screw-system-dat.md
| ... | ... | @@ -0,0 +1,4 @@ |
| 1 | + |
|
| 2 | +# shaft-screw-system-dat |
|
| 3 | + |
|
| 4 | + |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-supporter-dat.md
| ... | ... | @@ -0,0 +1,8 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | + |
|
| 4 | +# shaft-supporter-dat.md |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +- [[rc-boat-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-waterproof-dat/shaft-waterproof-dat.md
| ... | ... | @@ -0,0 +1,24 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# shaft-waterproof-dat |
|
| 4 | + |
|
| 5 | +- [[shaft-dat]] - [[shaft-waterproof-dat]] - [[waterproof-dat]] |
|
| 6 | + |
|
| 7 | +## 4. Shaft and Linkage Sealing |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +The servo horn/output shaft must exit the housing. Options: |
|
| 11 | + |
|
| 12 | +- **Magnetic coupling** to transfer motion without shaft penetration. |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +- **Sealed rotary feedthrough** with O-ring. |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | +## ref |
|
| 23 | + |
|
| 24 | +- [[shaft-dat]] |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/2025-12-30-14-08-27.png
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fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-PVC-dat/tube-PVC-dat.md
| ... | ... | @@ -0,0 +1,179 @@ |
| 1 | + |
|
| 2 | +# PVC-tube-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +### PVC tube |
|
| 7 | + |
|
| 8 | +- 16 * 1.5mm |
|
| 9 | +- 20 * 1.8mm |
|
| 10 | +- 25 * 2.0mm |
|
| 11 | +- 32 * 2.2mm |
|
| 12 | +- 40 * 2.3mm |
|
| 13 | +- 16 * 1.3mm |
|
| 14 | +- 20 * 1.4mm |
|
| 15 | +- 25 * 1.6mm |
|
| 16 | +- 32 * 1.9mm |
|
| 17 | +- 40 * 2.0mm |
|
| 18 | + |
|
| 19 | + |
|
| 20 | +### small diameter tube |
|
| 21 | + |
|
| 22 | +- inner == 3 mm x outter == 5 mm |
|
| 23 | +- inner == 4 mm x outter == 6 mm |
|
| 24 | +- inner == 5 mm x outter == 7 mm |
|
| 25 | +- **inner == 6 mm x outter == 8 mm** |
|
| 26 | +- inner == 7 mm x outter == 9 mm |
|
| 27 | +- inner == 8 mm x outter == 10mm |
|
| 28 | +- inner == 9 mm x outter == 11mm |
|
| 29 | +- inner == 9 mm x outter == 12mm |
|
| 30 | +- inner == 10 mm x outter == 12mm |
|
| 31 | +- inner == 11 mm x outter == 13mm |
|
| 32 | +- inner == 12 mm x outter == 14mm |
|
| 33 | + |
|
| 34 | +- inner == 13 x outter 15mm |
|
| 35 | +- inner == 13 x outter 16mm |
|
| 36 | +- inner == 14 x outter 17mm |
|
| 37 | +- inner == 15 x outter 18mm |
|
| 38 | +- inner == 16 x outter 19mm |
|
| 39 | +- inner == 17 x outter 20mm |
|
| 40 | +- inner == 18 x outter 21mm |
|
| 41 | +- inner == 19 x outter 22mm |
|
| 42 | +- inner == 20 x outter 23mm |
|
| 43 | +- inner == 21 x outter 24mm |
|
| 44 | + |
|
| 45 | + |
|
| 46 | +- outter == 20mm * thickness 2.0 mm |
|
| 47 | +- outter == 25mm * thickness 2.0 mm |
|
| 48 | +- outter == 32mm * thickness 2.4 mm |
|
| 49 | +- outter == 40mm * thickness 2.0 mm |
|
| 50 | +- outter == 50mm * thickness 2.4 mm |
|
| 51 | +- outter == 63mm * thickness 3.0 mm |
|
| 52 | +- outter == 75mm * thickness 3.6 mm |
|
| 53 | + |
|
| 54 | + |
|
| 55 | +### PVC tube build |
|
| 56 | + |
|
| 57 | +| Outer diameter | thickness | length | |
|
| 58 | +| -------------- | --------- | --------- | |
|
| 59 | +| 6mm | 1mm | [1 meter] | |
|
| 60 | +| 7mm | 1mm | [1 meter] | |
|
| 61 | +| 8mm | 1mm | [1 meter] | |
|
| 62 | +| 9mm | 1mm | [1 meter] | |
|
| 63 | +| 10mm | 1mm | [1 meter] | |
|
| 64 | +| 11mm | 1mm | [1 meter] | |
|
| 65 | +| 12mm | 1mm | [1 meter] | |
|
| 66 | +| 13mm | 1mm | [1 meter] | |
|
| 67 | +| 14mm | 1mm | [1 meter] | |
|
| 68 | +| 16mm | 2mm | [1 meter] | |
|
| 69 | + |
|
| 70 | +- [[pressure-dat]] - [[physics-dat]] |
|
| 71 | + |
|
| 72 | +- [[pressure-design-dat]] |
|
| 73 | + |
|
| 74 | + |
|
| 75 | +## PVC tube tools |
|
| 76 | + |
|
| 77 | +- [[cutter-dat]] special PVC tube cutter |
|
| 78 | + |
|
| 79 | +- [[glue-dat]] |
|
| 80 | + |
|
| 81 | + |
|
| 82 | + |
|
| 83 | +## water tube standard |
|
| 84 | + |
|
| 85 | +- 1/4 |
|
| 86 | +- 1/8 |
|
| 87 | +- 3/8 |
|
| 88 | +- 1/2 |
|
| 89 | + |
|
| 90 | + |
|
| 91 | + |
|
| 92 | +## PVC DN standard |
|
| 93 | + |
|
| 94 | +**DN** = **Nominal Diameter** (measured in millimeters, mm). |
|
| 95 | +It is a standardized naming system mainly used in ISO, European, and British pipe standards. |
|
| 96 | + |
|
| 97 | +### Meaning |
|
| 98 | +- **DN16** → Nominal Diameter **16 mm** |
|
| 99 | +- **DN25** → Nominal Diameter **25 mm** |
|
| 100 | + |
|
| 101 | +Note: DN is an approximate *reference size*. Actual inner and outer diameters vary by material and pressure rating. |
|
| 102 | + |
|
| 103 | +--- |
|
| 104 | + |
|
| 105 | +### Common Outer Diameters (Example: ISO / PPR / PVC Systems) |
|
| 106 | + |
|
| 107 | +| DN Size | Typical OD | Notes | |
|
| 108 | +|--------|-------------|-------| |
|
| 109 | +| **DN16** | ~20–25 mm OD | Small pipe for irrigation or household plumbing | |
|
| 110 | +| **DN25** | ~32–34 mm OD | Common water supply pipe size | |
|
| 111 | + |
|
| 112 | +--- |
|
| 113 | + |
|
| 114 | +### DN vs OD vs ID |
|
| 115 | +- **DN** → Naming size (not exact) |
|
| 116 | +- **OD** → Outer Diameter (actual measured size) |
|
| 117 | +- **ID** → Inner Diameter (depends on wall thickness) |
|
| 118 | + |
|
| 119 | +Example (PVC PN16): |
|
| 120 | +- DN25 → OD 32 mm |
|
| 121 | +- DN16 → OD 20 mm |
|
| 122 | + |
|
| 123 | + |
|
| 124 | + |
|
| 125 | + |
|
| 126 | + |
|
| 127 | +## PVC tube under hydrostatic pressure |
|
| 128 | + |
|
| 129 | +### Overview |
|
| 130 | +Quick reference for hydrostatic pressure effects on PVC tubes and why common PVC piping and joints are unsuitable for deep-water use. |
|
| 131 | + |
|
| 132 | +### Pressure basics |
|
| 133 | +- Water pressure increases by ~1 atmosphere (≈ 0.1 MPa) every 10 m of depth. |
|
| 134 | +- At 100 m depth the absolute pressure is roughly 11 atm ≈ 1.1 MPa. |
|
| 135 | + |
|
| 136 | +### Common PVC pressure ratings (internal pressure) |
|
| 137 | +- PN10: rated ~1.0 MPa (≈ 100 m water column) |
|
| 138 | +- PN16: rated ~1.6 MPa (≈ 160 m water column) |
|
| 139 | + |
|
| 140 | +Note: These ratings apply to internal-pressure tests (pipe containing pressurized fluid). External hydrostatic pressure (surrounding water pressing inward) is a different loading condition and can be more damaging. |
|
| 141 | + |
|
| 142 | +### Failure modes under external (deep-water) pressure |
|
| 143 | +- Wall collapse (pipe being crushed inward) |
|
| 144 | +- Deformation at solvent-welded joints |
|
| 145 | +- Micro-cracks or fissures forming near joints |
|
| 146 | +- Joint regions are mechanically weaker than the pipe body and typically fail first |
|
| 147 | + |
|
| 148 | +### Can ordinary PVC solvent-weld joints survive at 100 m depth? |
|
| 149 | +Short answer: No guarantee. Standard household PVC with solvent-welded joints is not suitable for long-term deep-water use. |
|
| 150 | + |
|
| 151 | +### Reasons |
|
| 152 | +1. Solvent-weld joint strength is usually lower than the pipe material itself — joints tend to fail first under high loads. |
|
| 153 | +2. Joints are vulnerable to deformation from external pressure — compression can open gaps in the sealed zone. |
|
| 154 | +3. PVC pipe material is not designed for sustained external hydrostatic compression — deep-water loads can produce micro-cracks or permanent deformation. |
|
| 155 | +4. Temperature fluctuations cause seal fatigue — large temperature changes (common in deep water) increase stresses at joints and accelerate failure. |
|
| 156 | + |
|
| 157 | +### Recommendation |
|
| 158 | +For DIY or household use, do not rely on PVC + solvent welding for sustained operation at ~100 m depth. Use purpose-built pressure housings, materials, and joining methods rated for external hydrostatic pressure |
|
| 159 | + |
|
| 160 | + |
|
| 161 | + |
|
| 162 | + |
|
| 163 | + |
|
| 164 | +## Connector |
|
| 165 | + |
|
| 166 | + |
|
| 167 | + |
|
| 168 | + |
|
| 169 | + |
|
| 170 | + |
|
| 171 | +## ref |
|
| 172 | + |
|
| 173 | +- [[rod-system-dat]] |
|
| 174 | + |
|
| 175 | + |
|
| 176 | +## ref |
|
| 177 | + |
|
| 178 | +- [[tube]] - [[BOM]] |
|
| 179 | + |
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fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-bend-dat/tube-bend-dat.md
| ... | ... | @@ -0,0 +1,46 @@ |
| 1 | + |
|
| 2 | +# tube-bend-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +## hand tool 2 |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +need [[screw-dat]] or [[nail-dat]] M6 ~ M8 |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +## hand tool 1 |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +## R15 |
|
| 24 | + |
|
| 25 | +Quick reference table (R = 15 mm) |
|
| 26 | + |
|
| 27 | +| Bend angle | Total bend length (mm) | Middle point (mm) | |
|
| 28 | +| ---------- | ---------------------- | ----------------- | |
|
| 29 | +| 45° | 11.78 | 5.89 | |
|
| 30 | +| 60° | 15.71 | 7.85 | |
|
| 31 | +| 90° | 23.56 | 11.78 | |
|
| 32 | + |
|
| 33 | + |
|
| 34 | +## fix "Twist" (Clocking) |
|
| 35 | + |
|
| 36 | +If the material is steel or aluminum and the diameter isn't too large, you might be able to "cold straighten" it: |
|
| 37 | + |
|
| 38 | +`The Table Test`: Lay the tube on a flat welding table or floor. Press one end flat. If the other end is lifting off the surface, that is your error. |
|
| 39 | + |
|
| 40 | +`The Lever Method`: Secure one end in a heavy-duty vise (use soft jaws or wood blocks to protect the tube). Slide a longer, larger pipe over the other end to act as a lever, and gently twist until the two horizontal sections are coplanar. |
|
| 41 | + |
|
| 42 | + |
|
| 43 | + |
|
| 44 | +## ref |
|
| 45 | + |
|
| 46 | +- [[tube-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-copper-dat/tube-copper-dat.md
| ... | ... | @@ -0,0 +1,314 @@ |
| 1 | + |
|
| 2 | +# tube-copper-dat |
|
| 3 | + |
|
| 4 | +尺寸：外径*壁厚（单位：毫米mm）注意毫米！0.5M价格！ |
|
| 5 | + |
|
| 6 | +| | OD (mm) | ID | wall thickness (mm) | L | |
|
| 7 | +| -------- | ------- | --- | ------------------- | ----- | |
|
| 8 | +| | 0.8 | | 0.15 | 0.5M | |
|
| 9 | +| | 0.8 | | 0.2 | 0.5M | |
|
| 10 | +| | 0.9 | | 0.15 | 0.5M | |
|
| 11 | +| | 1 | | 0.2 | 0.5M | |
|
| 12 | +| | 1 | | 0.25 | 0.5M | |
|
| 13 | +| | 1 | | 0.3 | 0.5M | |
|
| 14 | +| | 1.2 | | 0.2 | 0.5M | |
|
| 15 | +| | 1.2 | | 0.25 | 0.5M | |
|
| 16 | +| | 1.2 | | 0.3 | 0.5M | |
|
| 17 | +| | 1.2 | | 0.4 | 0.5M | |
|
| 18 | +| | 1.3 | | 0.2 | 0.5M | |
|
| 19 | +| | 1.5 | | 0.2 | 0.5M | |
|
| 20 | +| | 1.5 | | 0.25 | 0.5M | |
|
| 21 | +| | 1.5 | | 0.3 | 0.5M | |
|
| 22 | +| | 1.5 | | 0.35 | 0.5M | |
|
| 23 | +| | 1.5 | | 0.5 | 0.5M | |
|
| 24 | +| | 1.6 | | 0.2 | 0.5M | |
|
| 25 | +| | 1.6 | | 0.3 | 0.5M | |
|
| 26 | +| | 1.8 | | 0.2 | 0.5M | |
|
| 27 | +| | 1.8 | | 0.25 | 0.5M | |
|
| 28 | +| | 1.8 | | 0.3 | 0.5M | |
|
| 29 | +| | 1.8 | | 0.4 | 0.5M | |
|
| 30 | +| | 1.9 | | 0.15 | 0.5M | |
|
| 31 | +| | 2 | | 0.2 | 0.5M | |
|
| 32 | +| | 2 | | 0.25 | 0.5M | |
|
| 33 | +| | 2 | | 0.3 | 0.5M | |
|
| 34 | +| | 2 | | 0.35 | 0.5M | |
|
| 35 | +| | 2 | | 0.5 | 200mm | |
|
| 36 | +| | 2 | | 0.5 | 0.5M | |
|
| 37 | +| | 2 | | 0.6 | 0.5M | |
|
| 38 | +| | 2.2 | | 0.2 | 0.5M | |
|
| 39 | +| | 2.5 | | 0.2 | 0.5M | |
|
| 40 | +| | 2.5 | | 0.25 | 0.5M | |
|
| 41 | +| | 2.5 | | 0.3 | 0.5M | |
|
| 42 | +| | 2.5 | | 0.5 | 0.5M | |
|
| 43 | +| | 2.5 | | 0.75 | 0.5M | |
|
| 44 | +| | 3 | | 0.2 | 0.5M | |
|
| 45 | +| | 3 | | 0.25 | 0.5M | |
|
| 46 | +| | 3 | | 0.3 | 0.5M | |
|
| 47 | +| | 3 | | 0.4 | 0.5M | |
|
| 48 | +| | 3 | | 0.5 | 200mm | |
|
| 49 | +| | 3 | | 0.5 | 0.5M | |
|
| 50 | +| | 3 | | 0.75 | 0.5M | |
|
| 51 | +| | 3 | | 1 | 200mm | |
|
| 52 | +| | 3 | | 1 | 0.5M | |
|
| 53 | +| | 3.5 | | 0.15 | 0.5M | |
|
| 54 | +| | 3.5 | | 0.2 | 0.5M | |
|
| 55 | +| | 3.5 | | 0.25 | 0.5M | |
|
| 56 | +| | 3.5 | | 0.3 | 0.5M | |
|
| 57 | +| | 3.5 | | 0.5 | 0.5M | |
|
| 58 | +| | 3.5 | | 0.75 | 0.5M | |
|
| 59 | +| | 3.5 | | 1 | 0.5M | |
|
| 60 | +| | 4 | | 0.2 | 0.5M | |
|
| 61 | +| | 4 | | 0.25 | 0.5M | |
|
| 62 | +| | 4 | | 0.3 | 0.5M | |
|
| 63 | +| | 4 | | 0.4 | 0.5M | |
|
| 64 | +| | 4 | | 0.5 | 200mm | |
|
| 65 | +| | 4 | | 0.5 | 0.5M | |
|
| 66 | +| | 4 | | 0.75 | 0.5M | |
|
| 67 | +| | 4 | | 1 | 200mm | |
|
| 68 | +| | 4 | | 1 | 0.5M | |
|
| 69 | +| | 4.5 | | 0.2 | 0.5M | |
|
| 70 | +| | 4.5 | | 0.25 | 0.5M | |
|
| 71 | +| | 4.5 | | 0.3 | 0.5M | |
|
| 72 | +| | 4.5 | | 0.5 | 0.5M | |
|
| 73 | +| | 4.5 | | 0.75 | 0.5M | |
|
| 74 | +| | 5 | | 0.2 | 0.5M | |
|
| 75 | +| | 5 | | 0.25 | 0.5M | |
|
| 76 | +| | 5 | | 0.3 | 0.5M | |
|
| 77 | +| | 5 | | 0.4 | 0.5M | |
|
| 78 | +| | 5 | | 0.5 | 200mm | |
|
| 79 | +| | 5 | | 0.5 | 0.5M | |
|
| 80 | +| | 5 | | 0.75 | 0.5M | |
|
| 81 | +| | 5 | | 1 | 200mm | |
|
| 82 | +| | 5 | | 1 | 0.5M | |
|
| 83 | +| | 5 | | 1.5 | 0.5M | |
|
| 84 | +| | 5.5 | | 0.2 | 0.5M | |
|
| 85 | +| | 5.5 | | 0.25 | 0.5M | |
|
| 86 | +| | 5.5 | | 0.3 | 0.5M | |
|
| 87 | +| | 5.5 | | 0.5 | 0.5M | |
|
| 88 | +| | 5.5 | | 1 | 0.5M | |
|
| 89 | +| | 6 | | 0.2 | 0.5M | |
|
| 90 | +| | 6 | | 0.25 | 0.5M | |
|
| 91 | +| | 6 | | 0.3 | 0.5M | |
|
| 92 | +| | 6 | | 0.4 | 0.5M | |
|
| 93 | +| | 6 | | 0.5 | 200mm | |
|
| 94 | +| | 6 | | 0.5 | 0.5M | |
|
| 95 | +| | 6 | | 0.75 | 0.5M | |
|
| 96 | +| | 6 | | 1 | 200mm | |
|
| 97 | +| | 6 | | 1 | 0.5M | |
|
| 98 | +| | 6 | | 1.2 | 0.5M | |
|
| 99 | +| | 6 | | 1.5 | 200mm | |
|
| 100 | +| | 6 | | 1.5 | 0.5M | |
|
| 101 | +| | 6 | | 2 | 0.5M | |
|
| 102 | +| | 6.5 | | 0.25 | 0.5M | |
|
| 103 | +| | 6.5 | | 0.5 | 0.5M | |
|
| 104 | +| | 6.5 | | 1 | 0.5M | |
|
| 105 | +| | 7 | | 0.2 | 0.5M | |
|
| 106 | +| | 7 | | 0.25 | 0.5M | |
|
| 107 | +| | 7 | | 0.3 | 0.5M | |
|
| 108 | +| | 7 | | 0.5 | 0.5M | |
|
| 109 | +| | 7 | | 0.75 | 0.5M | |
|
| 110 | +| | 7 | | 1 | 200mm | |
|
| 111 | +| | 7 | | 1 | 0.5M | |
|
| 112 | +| | 7 | | 1.5 | 0.5M | |
|
| 113 | +| | 7 | | 2 | 0.5M | |
|
| 114 | +| | 7.5 | | 0.25 | 0.5M | |
|
| 115 | +| | 7.5 | | 0.5 | 0.5M | |
|
| 116 | +| | 7.5 | | 1 | 0.5M | |
|
| 117 | +| | 8 | | 0.2 | 0.5M | |
|
| 118 | +| | 8 | | 0.25 | 0.5M | |
|
| 119 | +| | 8 | | 0.3 | 0.5M | |
|
| 120 | +| | 8 | | 0.4 | 0.5M | |
|
| 121 | +| | 8 | | 0.5 | 200mm | |
|
| 122 | +| | 8 | | 0.5 | 0.5M | |
|
| 123 | +| | 8 | | 0.8 | 0.5M | |
|
| 124 | +| | 8 | | 1 | 200mm | |
|
| 125 | +| | 8 | | 1 | 0.5M | |
|
| 126 | +| | 8 | | 1.5 | 200mm | |
|
| 127 | +| | 8 | | 1.5 | 0.5M | |
|
| 128 | +| | 8 | | 2 | 200mm | |
|
| 129 | +| | 8 | | 2 | 0.5M | |
|
| 130 | +| | 8.5 | | 0.25 | 0.5M | |
|
| 131 | +| | 8.5 | | 0.5 | 0.5M | |
|
| 132 | +| | 8.5 | 6.5 | 1 | 0.5M | |
|
| 133 | +| | 9 | | 0.2 | 0.5M | |
|
| 134 | +| | 9 | | 0.3 | 0.5M | |
|
| 135 | +| | 9 | | 0.5 | 0.5M | |
|
| 136 | +| | 9 | 7 | 1 | 0.5M | |
|
| 137 | +| | 9 | 6 | 1.5 | 0.5M | |
|
| 138 | +| | 9 | | 2 | 0.5M | |
|
| 139 | +| | 9.5 | | 0.2 | 0.5M | |
|
| 140 | +| | 9.5 | | 0.25 | 0.5M | |
|
| 141 | +| | 9.5 | | 0.5 | 0.5M | |
|
| 142 | +| | 9.5 | 7.5 | 1 | 0.5M | |
|
| 143 | +| | 10 | | 0.2 | 0.5M | |
|
| 144 | +| | 10 | | 0.25 | 0.5M | |
|
| 145 | +| | 10 | | 0.3 | 0.5M | |
|
| 146 | +| | 10 | | 0.5 | 200mm | |
|
| 147 | +| | 10 | | 0.5 | 0.5M | |
|
| 148 | +| | 10 | | 1 | 200mm | |
|
| 149 | +| | 10 | | 1 | 0.5M | |
|
| 150 | +| | 10 | | 1.5 | 200mm | |
|
| 151 | +| 10-7-1.5 | 10 | 7 | 1.5 | 0.5M | |
|
| 152 | +| | 10 | 6 | 2 | 200mm | |
|
| 153 | +| 10-6-2 | 10 | 6 | 2 | 0.5M | |
|
| 154 | +| | 10 | | 2.5 | 0.5M | |
|
| 155 | +| | 10 | | 3 | 0.5M | |
|
| 156 | +| | 11 | | 0.5 | 0.5M | |
|
| 157 | +| | 11 | | 1 | 0.5M | |
|
| 158 | +| | 11 | | 1.5 | 0.5M | |
|
| 159 | +| 11-7-2 | 11 | 7 | 2 | 0.5M | |
|
| 160 | +| | 12 | | 0.3 | 485mm | |
|
| 161 | +| | 12 | | 0.3 | 0.5M | |
|
| 162 | +| | 12 | | 0.5 | 200mm | |
|
| 163 | +| | 12 | | 0.5 | 0.5M | |
|
| 164 | +| | 12 | | 0.8 | 0.5M | |
|
| 165 | +| | 12 | | 1 | 200mm | |
|
| 166 | +| | 12 | | 1 | 0.5M | |
|
| 167 | +| 12-9-1.5 | 12 | 9 | 1.5 | 200mm | |
|
| 168 | +| | 12 | | 1.5 | 0.5M | |
|
| 169 | +| | 12 | 8 | 2 | 200mm | |
|
| 170 | +| | 12 | 8 | 2 | 0.5M | |
|
| 171 | +| | 12 | 6 | 3 | 0.5M | |
|
| 172 | +| | 13 | | 0.5 | 0.5M | |
|
| 173 | +| | 13 | | 1 | 0.5M | |
|
| 174 | +| | 13 | | 1.5 | 0.5M | |
|
| 175 | +| | 13 | 9 | 2 | 0.5M | |
|
| 176 | +| | 14 | | 0.5 | 200mm | |
|
| 177 | +| | 14 | | 0.5 | 0.5M | |
|
| 178 | +| | 14 | | 1 | 200mm | |
|
| 179 | +| | 14 | | 1 | 0.5M | |
|
| 180 | +| | 14 | | 1.5 | 200mm | |
|
| 181 | +| | 14 | | 1.5 | 0.5M | |
|
| 182 | +| | 14 | | 2 | 200mm | |
|
| 183 | +| | 14 | | 2 | 0.5M | |
|
| 184 | +| | 14 | 8 | 3 | 0.5M | |
|
| 185 | +| | 15 | | 0.5 | 200mm | |
|
| 186 | +| | 15 | | 0.5 | 0.5M | |
|
| 187 | +| | 15 | | 1 | 200mm | |
|
| 188 | +| | 15 | | 1 | 0.5M | |
|
| 189 | +| | 15 | | 1.5 | 200mm | |
|
| 190 | +| | 15 | | 1.5 | 0.5M | |
|
| 191 | +| | 15 | | 2 | 200mm | |
|
| 192 | +| | 15 | | 2 | 0.5M | |
|
| 193 | +| | 15 | | 3 | 0.5M | |
|
| 194 | +| | 16 | | 0.5 | 0.5M | |
|
| 195 | +| | 16 | | 1 | 0.5M | |
|
| 196 | +| | 16 | | 1.5 | 0.5M | |
|
| 197 | +| | 16 | | 2 | 0.5M | |
|
| 198 | +| | 16 | | 3 | 0.5M | |
|
| 199 | +| | 17 | | 0.5 | 0.5M | |
|
| 200 | +| | 17 | | 1 | 0.5M | |
|
| 201 | +| | 17 | | 1.5 | 0.5M | |
|
| 202 | +| | 17 | | 2 | 0.5M | |
|
| 203 | +| | 18 | | 0.5 | 0.5M | |
|
| 204 | +| | 18 | | 1 | 0.5M | |
|
| 205 | +| | 18 | | 1.5 | 0.5M | |
|
| 206 | +| | 18 | | 2 | 0.5M | |
|
| 207 | +| | 18 | | 3 | 0.5M | |
|
| 208 | +| | 19 | | 0.5 | 0.5M | |
|
| 209 | +| | 19 | | 1 | 0.5M | |
|
| 210 | +| | 19 | | 1.5 | 0.5M | |
|
| 211 | +| | 19 | | 2 | 0.5M | |
|
| 212 | +| | 20 | | 1 | 0.5M | |
|
| 213 | +| | 20 | | 1.5 | 0.5M | |
|
| 214 | +| | 20 | | 2 | 0.5M | |
|
| 215 | +| | 20 | | 2.5 | 0.5M | |
|
| 216 | +| | 20 | | 3 | 0.5M | |
|
| 217 | +| | 21 | | 0.5 | 0.5M | |
|
| 218 | +| | 21 | | 1 | 0.5M | |
|
| 219 | +| | 21 | | 1.5 | 0.5M | |
|
| 220 | +| | 21 | | 2 | 0.5M | |
|
| 221 | +| | 22 | | 0.5 | 0.5M | |
|
| 222 | +| | 22 | | 1 | 0.5M | |
|
| 223 | +| | 22 | | 1.5 | 0.5M | |
|
| 224 | +| | 22 | | 2 | 0.5M | |
|
| 225 | +| | 22 | | 3 | 0.5M | |
|
| 226 | +| | 23 | | 0.5 | 0.5M | |
|
| 227 | +| | 23 | | 1 | 0.5M | |
|
| 228 | +| | 23 | | 1.5 | 0.5M | |
|
| 229 | +| | 23 | | 2 | 0.5M | |
|
| 230 | +| | 24 | | 0.5 | 0.5M | |
|
| 231 | +| | 24 | | 1 | 0.5M | |
|
| 232 | +| | 24 | | 1.5 | 0.5M | |
|
| 233 | +| | 24 | | 2 | 0.5M | |
|
| 234 | +| | 25 | | 0.5 | 0.5M | |
|
| 235 | +| | 25 | | 1 | 0.5M | |
|
| 236 | +| | 25 | | 1.5 | 0.5M | |
|
| 237 | +| | 25 | | 2 | 0.5M | |
|
| 238 | +| | 25 | | 3 | 0.5M | |
|
| 239 | +| | 25 | | 5 | 0.5M | |
|
| 240 | +| | 26 | | 1 | 0.5M | |
|
| 241 | +| | 26 | | 1.5 | 0.5M | |
|
| 242 | +| | 26 | | 2 | 0.5M | |
|
| 243 | +| | 26 | | 3 | 0.5M | |
|
| 244 | +| | 27 | | 1 | 0.5M | |
|
| 245 | +| | 27 | | 1.5 | 0.5M | |
|
| 246 | +| | 27 | | 2 | 0.5M | |
|
| 247 | +| | 28 | | 1 | 0.5M | |
|
| 248 | +| | 28 | | 1.5 | 0.5M | |
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| 249 | +| | 28 | | 2 | 0.5M | |
|
| 250 | +| | 28 | | 3 | 0.5M | |
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| 251 | +| | 29 | | 1 | 0.5M | |
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| 252 | +| | 29 | | 1.5 | 0.5M | |
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| 253 | +| | 29 | | 2 | 0.5M | |
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| 254 | +| | 30 | | 1 | 0.5M | |
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| 255 | +| | 30 | | 1.5 | 0.5M | |
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| 256 | +| | 30 | | 2 | 0.5M | |
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| 257 | +| | 30 | | 3 | 0.5M | |
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| 258 | +| | 32 | | 1 | 0.5M | |
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| 259 | +| | 32 | | 1.5 | 0.5M | |
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| 260 | +| | 32 | | 2 | 0.5M | |
|
| 261 | +| | 32 | | 3 | 0.5M | |
|
| 262 | +| | 35 | | 1 | 0.5M | |
|
| 263 | +| | 35 | | 1.5 | 0.5M | |
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| 264 | +| | 35 | | 2 | 0.5M | |
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| 265 | +| | 35 | | 2.5 | 0.5M | |
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| 266 | +| | 35 | | 3 | 0.5M | |
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| 267 | +| | 38 | | 1 | 0.5M | |
|
| 268 | +| | 38 | | 1.5 | 0.5M | |
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| 269 | +| | 38 | | 2 | 0.5M | |
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| 270 | +| | 40 | | 1 | 0.5M | |
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| 271 | +| | 40 | | 1.5 | 0.5M | |
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| 272 | +| | 40 | | 2 | 0.5M | |
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| 273 | +| | 40 | | 3 | 0.5M | |
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| 274 | +| | 42 | | 1 | 0.5M | |
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| 275 | +| | 42 | | 1.5 | 0.5M | |
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| 276 | +| | 42 | | 2 | 0.5M | |
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| 277 | +| | 45 | | 1 | 0.5M | |
|
| 278 | +| | 45 | | 1.5 | 0.5M | |
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| 279 | +| | 45 | | 2 | 0.5M | |
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| 280 | +| | 45 | | 3 | 0.5M | |
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| 281 | +| | 48 | | 1 | 0.5M | |
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| 282 | +| | 48 | | 1.5 | 0.5M | |
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| 283 | +| | 50 | | 1 | 0.5M | |
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| 284 | +| | 50 | | 1.5 | 0.5M | |
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| 285 | +| | 50 | | 2.5 | 0.5M | |
|
| 286 | +| | 50 | | 3 | 0.5M | |
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| 287 | +| | 55 | | 1.5 | 0.5M | |
|
| 288 | +| | 55 | | 2 | 0.5M | |
|
| 289 | +| | 55 | | 3 | 0.5M | |
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| 290 | +| | 60 | | 1 | 0.5M | |
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| 291 | +| | 60 | | 1.5 | 0.5M | |
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| 292 | +| | 60 | | 2 | 0.5M | |
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| 293 | +| | 60 | | 3 | 0.5M | |
|
| 294 | +| | 65 | | 1 | 0.5M | |
|
| 295 | +| | 65 | | 1.5 | 0.5M | |
|
| 296 | +| | 65 | | 2 | 0.5M | |
|
| 297 | +| | 65 | | 3 | 0.5M | |
|
| 298 | +| | 70 | | 1.5 | 0.5M | |
|
| 299 | +| | 70 | | 2 | 0.5M | |
|
| 300 | +| | 75 | | 1.5 | 0.5M | |
|
| 301 | +| | 75 | | 2 | 0.5M | |
|
| 302 | +| | 75 | | 3 | 0.5M | |
|
| 303 | +| | 80 | | 1.5 | 0.5M | |
|
| 304 | +| | 80 | | 2 | 0.5M | |
|
| 305 | +| | 80 | | 3 | 0.5M | |
|
| 306 | +| | 85 | | 3 | 200mm | |
|
| 307 | +| | 90 | | 3 | 200mm | |
|
| 308 | +| | 100 | | 2.5 | 200mm | |
|
| 309 | +| | 100 | | 4 | 200mm | |
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| 310 | + |
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| 311 | + |
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| 312 | + |
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| 313 | + |
|
| 314 | + |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-dat.md
| ... | ... | @@ -0,0 +1,185 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# tube-dat |
|
| 4 | + |
|
| 5 | +- [[shaft-dat]] - [[tube-dat]] - [[rod-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +- [[tube-copper-dat]] |
|
| 9 | + |
|
| 10 | +- [[tube-pvc-dat]] |
|
| 11 | + |
|
| 12 | +- [[shaft-dat]] |
|
| 13 | + |
|
| 14 | +- [[fab-tools-dat]] - [[grinder-dat]] |
|
| 15 | + |
|
| 16 | + |
|
| 17 | +- [[tube-bend-dat]] |
|
| 18 | + |
|
| 19 | +- [[shaft-dat]] - [[tube-lean-dat]] - [[tube-copper-dat]] - [[tube-oval-dat]] - [[tube-PVC-dat]] - [[tube-steel-square-dat]] |
|
| 20 | + |
|
| 21 | +6mm 以下 |
|
| 22 | + |
|
| 23 | +聚氨酯管 |
|
| 24 | + |
|
| 25 | +氟管, 铁氟龙管 |
|
| 26 | + |
|
| 27 | +PA6尼龙管 |
|
| 28 | + |
|
| 29 | +硅胶软管 |
|
| 30 | + |
|
| 31 | + |
|
| 32 | +以下为 **≤6 mm 管径** 常见材料的**典型物理属性对比**（工程常用范围，具体数值会随配方/厂家变化）： |
|
| 33 | + |
|
| 34 | +| 材料 | 常见英文 | 密度 (g/cm³) | 硬度 | 抗拉强度 (MPa) | 工作温度 (°C) | 柔韧性 | 耐化学性 | 典型特点 | |
|
| 35 | +| --------------- | ------------------ | ------------ | ------------- | -------------- | ------------- | ------ | -------- | ------------------------------ | |
|
| 36 | +| 聚氨酯管 | PU / TPU Tube | 1.10–1.25 | Shore A 80–98 | 30–55 | -40 ~ +80 | ⭐⭐⭐⭐ | ⭐⭐⭐ | 高弹性、耐磨、回弹好，气动常用 | |
|
| 37 | +| 氟管 / 铁氟龙管 | PTFE Tube | 2.10–2.30 | Shore D 50–65 | 20–35 | -200 ~ +260 | ⭐ | ⭐⭐⭐⭐⭐ | 极强耐腐蚀、低摩擦、不老化 | |
|
| 38 | +| PA6 尼龙管 | PA6 / Nylon 6 Tube | 1.12–1.15 | Shore D 70–80 | 50–80 | -40 ~ +120 | ⭐⭐ | ⭐⭐⭐⭐ | 强度高、耐压好、尺寸稳定 | |
|
| 39 | +| 硅胶软管 | Silicone Tube | 1.10–1.20 | Shore A 30–70 | 5–12 | -60 ~ +200 | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | 极柔软、耐高低温、生物惰性 | |
|
| 40 | + |
|
| 41 | +--- |
|
| 42 | + |
|
| 43 | +### 关键工程对比要点（≤6 mm 管径时尤为明显） |
|
| 44 | + |
|
| 45 | +- **耐压能力（由高到低）** |
|
| 46 | + PA6 尼龙 ＞ PU ＞ PTFE（薄壁） ＞ 硅胶 |
|
| 47 | +- **柔软度 / 可弯折性** |
|
| 48 | + 硅胶 ＞ PU ＞ PA6 ＞ PTFE |
|
| 49 | +- **耐化学 / 溶剂** |
|
| 50 | + PTFE ＞ PA6 ≈ 硅胶 ＞ PU |
|
| 51 | +- **耐磨性** |
|
| 52 | + PU ＞ PA6 ＞ PTFE ＞ 硅胶 |
|
| 53 | + |
|
| 54 | + |
|
| 55 | + |
|
| 56 | + |
|
| 57 | +## tube holder |
|
| 58 | + |
|
| 59 | + |
|
| 60 | + |
|
| 61 | + |
|
| 62 | + |
|
| 63 | + |
|
| 64 | + |
|
| 65 | +## tubes |
|
| 66 | + |
|
| 67 | + |
|
| 68 | + |
|
| 69 | +- 蓝色 四氟管 铁氟龙管 ptfe 聚四氟乙烯管 |
|
| 70 | +- PA6 尼龙管 |
|
| 71 | +- 红色 硅胶管 耐高温软管 |
|
| 72 | +- 聚氨酯 空心棒材 减震 PU 空心管 弹性胶棒 橡胶棒 优力胶棒 |
|
| 73 | + |
|
| 74 | + |
|
| 75 | + |
|
| 76 | + |
|
| 77 | + |
|
| 78 | + |
|
| 79 | + |
|
| 80 | + |
|
| 81 | +# tube-dat |
|
| 82 | + |
|
| 83 | +### PVC tube |
|
| 84 | + |
|
| 85 | +- 16 * 1.5mm |
|
| 86 | +- 20 * 1.8mm |
|
| 87 | +- 25 * 2.0mm |
|
| 88 | +- 32 * 2.2mm |
|
| 89 | +- 40 * 2.3mm |
|
| 90 | +- 16 * 1.3mm |
|
| 91 | +- 20 * 1.4mm |
|
| 92 | +- 25 * 1.6mm |
|
| 93 | +- 32 * 1.9mm |
|
| 94 | +- 40 * 2.0mm |
|
| 95 | + |
|
| 96 | + |
|
| 97 | +### small diameter tube |
|
| 98 | + |
|
| 99 | +- inner == 3 mm x outter == 5 mm |
|
| 100 | +- inner == 4 mm x outter == 6 mm |
|
| 101 | +- inner == 5 mm x outter == 7 mm |
|
| 102 | +- **inner == 6 mm x outter == 8 mm** |
|
| 103 | +- inner == 7 mm x outter == 9 mm |
|
| 104 | +- inner == 8 mm x outter == 10mm |
|
| 105 | +- inner == 9 mm x outter == 11mm |
|
| 106 | +- inner == 9 mm x outter == 12mm |
|
| 107 | +- inner == 10 mm x outter == 12mm |
|
| 108 | +- inner == 11 mm x outter == 13mm |
|
| 109 | +- inner == 12 mm x outter == 14mm |
|
| 110 | + |
|
| 111 | +- inner == 13 x outter 15mm |
|
| 112 | +- inner == 13 x outter 16mm |
|
| 113 | +- inner == 14 x outter 17mm |
|
| 114 | +- inner == 15 x outter 18mm |
|
| 115 | +- inner == 16 x outter 19mm |
|
| 116 | +- inner == 17 x outter 20mm |
|
| 117 | +- inner == 18 x outter 21mm |
|
| 118 | +- inner == 19 x outter 22mm |
|
| 119 | +- inner == 20 x outter 23mm |
|
| 120 | +- inner == 21 x outter 24mm |
|
| 121 | + |
|
| 122 | + |
|
| 123 | +- outter == 20mm * thickness 2.0 mm |
|
| 124 | +- outter == 25mm * thickness 2.0 mm |
|
| 125 | +- outter == 32mm * thickness 2.4 mm |
|
| 126 | +- outter == 40mm * thickness 2.0 mm |
|
| 127 | +- outter == 50mm * thickness 2.4 mm |
|
| 128 | +- outter == 63mm * thickness 3.0 mm |
|
| 129 | +- outter == 75mm * thickness 3.6 mm |
|
| 130 | + |
|
| 131 | + |
|
| 132 | +## S-shaped shaft |
|
| 133 | + |
|
| 134 | +Based on your diagram, you have an S-shaped shaft with a **6mm outer diameter** and a **2mm wall thickness**. This leaves a very small **2mm hollow center**. While a 2mm wall is relatively thick for a 6mm tube, the S-bend creates significant "leverage points" that concentrate stress at the curves. |
|
| 135 | + |
|
| 136 | +Here are the best ways to improve the strength of this specific component for your **Rover V2**: |
|
| 137 | + |
|
| 138 | +--- |
|
| 139 | + |
|
| 140 | +### 1. Internal Reinforcement (The "Core" Method) |
|
| 141 | +Since your tube has a 2mm internal hole, you can significantly increase its resistance to bending and snapping by filling that void. |
|
| 142 | +* **Steel Core:** Insert a **2mm stainless steel wire** or rod into the center before bending. This creates a "composite" shaft where the aluminum provides the shape and the steel provides the structural backbone. |
|
| 143 | +* **High-Strength Epoxy:** If a solid rod won't fit through the curves, inject a high-strength structural epoxy into the tube. While not as strong as steel, it prevents the tube walls from buckling inward. |
|
| 144 | + |
|
| 145 | +### 2. Material Upgrade |
|
| 146 | +Aluminum (likely 6061 or similar) is prone to "work hardening" and cracking at the bend points. |
|
| 147 | +* **Switch to Stainless Steel Tubing:** A 6mm stainless steel tube with a 1mm or 1.5mm wall will be significantly stiffer and stronger than your current 2mm-wall aluminum tube. |
|
| 148 | +* **Carbon Fiber Sleeving:** If weight is a major concern for your rover, you can slide a carbon fiber sleeve over the straight sections of the shaft and epoxy it in place to prevent flexing. |
|
| 149 | + |
|
| 150 | +### 3. Geometry Adjustments |
|
| 151 | +The "S" shape naturally wants to twist (torsion) and straighten out under load. |
|
| 152 | +* **Increase Bend Radius:** Your drawing shows an **R15** bend. If your chassis allows it, increasing this radius to R20 or R25 reduces the stress concentration at the curve and makes the metal less likely to fatigue. |
|
| 153 | +* **Support Bearings:** The best way to "strengthen" a shaft is to take the load off it. Add a **flange bearing** as close to the bends as possible. This prevents the shaft from acting like a long lever arm that pries against your motor. |
|
| 154 | + |
|
| 155 | + |
|
| 156 | +--- |
|
| 157 | + |
|
| 158 | +### 4. Comparison of Stiffness |
|
| 159 | + |
|
| 160 | +| Material/Setup | Stiffness (Relative) | Failure Risk | |
|
| 161 | +| :---------------------------- | :------------------- | :--------------------------------- | |
|
| 162 | +| **Current (2mm Alu Tube)** | Baseline | High (Bending/Snapping at R15) | |
|
| 163 | +| **Alu Tube + 2mm Steel Core** | **2x Higher** | Low (Steel prevents total failure) | |
|
| 164 | +| **Solid 6mm Steel Rod** | **5x Higher** | Very Low | |
|
| 165 | +| **6mm Stainless Tube** | **3x Higher** | Moderate | |
|
| 166 | + |
|
| 167 | + |
|
| 168 | +## app |
|
| 169 | + |
|
| 170 | +- [[crane-dat]] |
|
| 171 | + |
|
| 172 | +## accessories |
|
| 173 | + |
|
| 174 | +- [[hook-crane-dat]] |
|
| 175 | + |
|
| 176 | +## ref |
|
| 177 | + |
|
| 178 | +- [[tube]] - [[BOM]] |
|
| 179 | + |
|
| 180 | + |
|
| 181 | + |
|
| 182 | + |
|
| 183 | +## ref |
|
| 184 | + |
|
| 185 | +- [[shaft-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-lean-dat/tube-lean-dat.md
| ... | ... | @@ -0,0 +1,105 @@ |
| 1 | + |
|
| 2 | +# lean-tube-dat |
|
| 3 | + |
|
| 4 | +lean tube system gen3 |
|
| 5 | + |
|
| 6 | +**Third-Generation Lean Tube = Aluminum alloy pipes + internal embedded connectors + highly modular + fast assembly system** |
|
| 7 | + |
|
| 8 | +In simple terms: |
|
| 9 | +> **A fusion of lean tube systems and industrial aluminum profile advantages** |
|
| 10 | + |
|
| 11 | +--- |
|
| 12 | + |
|
| 13 | +## 3. Key Features of Third-Generation Lean Tube |
|
| 14 | + |
|
| 15 | +### 1️⃣ Internal Embedded Connections (Main Upgrade) |
|
| 16 | +- Connectors are **hidden inside the pipe** |
|
| 17 | +- No exposed clamps or bolts on the surface |
|
| 18 | + |
|
| 19 | +**Benefits**: |
|
| 20 | +- Clean and modern appearance |
|
| 21 | +- Safer (no sharp edges) |
|
| 22 | +- Ideal for cleanroom and ESD environments |
|
| 23 | + |
|
| 24 | +--- |
|
| 25 | + |
|
| 26 | +### 2️⃣ Fast Assembly & Easy Adjustment |
|
| 27 | +- Typically assembled with **a single hex key** |
|
| 28 | +- Supports: |
|
| 29 | + - Height adjustment |
|
| 30 | + - Angle adjustment |
|
| 31 | +- Non-permanent connections, reusable components |
|
| 32 | + |
|
| 33 | +**Perfect for**: |
|
| 34 | +- Rapid prototyping |
|
| 35 | +- Frequent layout changes |
|
| 36 | +- Small-batch production setups |
|
| 37 | + |
|
| 38 | +--- |
|
| 39 | + |
|
| 40 | +### 3️⃣ Improved Precision and Rigidity |
|
| 41 | +- Pipes are usually made from: |
|
| 42 | + - High-strength aluminum alloys (e.g., 6000 series) |
|
| 43 | +- Compared to Gen 1: |
|
| 44 | + - Less deformation |
|
| 45 | + - Better dimensional repeatability |
|
| 46 | + - More stable structures |
|
| 47 | + |
|
| 48 | +--- |
|
| 49 | + |
|
| 50 | +### 4️⃣ High Modularity |
|
| 51 | +Supports flexible combinations: |
|
| 52 | +- Straight joints |
|
| 53 | +- 45° / 90° joints |
|
| 54 | +- T-joints / Cross joints |
|
| 55 | +- Sliding and telescopic structures |
|
| 56 | + |
|
| 57 | +Can be easily integrated with: |
|
| 58 | +- Rollers |
|
| 59 | +- Conveyor tracks |
|
| 60 | +- Lighting |
|
| 61 | +- Tool boards |
|
| 62 | +- Sensors |
|
| 63 | + |
|
| 64 | +--- |
|
| 65 | + |
|
| 66 | +### 5️⃣ System-Oriented Design |
|
| 67 | +Third-generation lean tube systems are usually sold as **complete systems**, including: |
|
| 68 | +- Pipes |
|
| 69 | +- Internal connectors |
|
| 70 | +- Functional modules |
|
| 71 | + |
|
| 72 | +Often provided with: |
|
| 73 | +- Workstation systems |
|
| 74 | +- Logistics systems |
|
| 75 | +- Material handling solutions |
|
| 76 | + |
|
| 77 | +--- |
|
| 78 | + |
|
| 79 | +## 4. Third-Generation Lean Tube vs Industrial Aluminum Profiles |
|
| 80 | + |
|
| 81 | +| Comparison Item | 3rd-Gen Lean Tube | Aluminum T-Slot Profiles | |
|
| 82 | +|-----------------|------------------|--------------------------| |
|
| 83 | +| Assembly Speed | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | |
|
| 84 | +| On-site Adjustment | Excellent | Moderate | |
|
| 85 | +| Appearance | Clean & rounded | Industrial | |
|
| 86 | +| Cost | Medium | Medium–High | |
|
| 87 | +| Max Load Capacity | Medium–High | Very High | |
|
| 88 | +| Typical Use | Workstations, carts, logistics | Machine frames, heavy equipment | |
|
| 89 | + |
|
| 90 | +**Note**: For heavy machine frames, aluminum T-slot profiles are better. |
|
| 91 | +For human-centered workstations, Gen 3 lean tube is more efficient. |
|
| 92 | + |
|
| 93 | +--- |
|
| 94 | + |
|
| 95 | +## 5. Typical Applications |
|
| 96 | +- Lean production workstations |
|
| 97 | +- ESD-safe work tables |
|
| 98 | +- R&D and laboratory platforms |
|
| 99 | +- Logistics carts |
|
| 100 | +- Light automation support frames |
|
| 101 | + |
|
| 102 | + |
|
| 103 | +## ref |
|
| 104 | + |
|
| 105 | +- [[tube-dat]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-oval-dat/tube-oval-dat.md
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| 1 | + |
|
| 2 | +# tube-oval-dat |
|
| 3 | + |
|
| 4 | +- oval tube |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +## ref |
|
| 11 | + |
|
| 12 | +- [[tube-oval]] - [[rod]] |
|
| ... | ... | \ No newline at end of file |
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| 1 | + |
|
| 2 | +# tube-steel-square-dat |
|
| 3 | + |
|
| 4 | +- [[construction-dat]] - [[rod-wood-dat]] - [[tube-steel-square-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +metal tube connector |
|
| 8 | + |
|
| 9 | + |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/belt-sys-dat/belt-dat/belt-dat.md
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| 1 | + |
|
| 2 | +# belt-sys-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[timing-pulley-dat]] - [[idler-dat]] - [[belt-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +# belt-dat |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +## open loop belt |
|
| 16 | + |
|
| 17 | +GT2_Belt_6mm |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | +## 闭环同步带 |
|
| 22 | + |
|
| 23 | + |
|
| 24 | +GT2-6-200（2mm pitch，6mm 宽，200mm 周长） |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | +## 紧张方案 |
|
| 30 | + |
|
| 31 | +✅ 方案 2：惰轮张紧（最优雅） |
|
| 32 | + O ← 惰轮 |
|
| 33 | + / \ |
|
| 34 | +==== ==== |
|
| 35 | + |
|
| 36 | + |
|
| 37 | +惰轮压在同步带背面 |
|
| 38 | + |
|
| 39 | +微调惰轮位置即可张紧 |
|
| 40 | + |
|
| 41 | +优点 |
|
| 42 | + |
|
| 43 | +中心距可固定 |
|
| 44 | + |
|
| 45 | +微调方便 |
|
| 46 | + |
|
| 47 | +张力可控 |
|
| 48 | + |
|
| 49 | +缺点： |
|
| 50 | + |
|
| 51 | +多一个轮子 |
|
| 52 | + |
|
| 53 | +占空间 |
|
| 54 | + |
|
| 55 | + |
|
| 56 | + |
|
| 57 | + |
|
| 58 | +Compact closed-loop GT2 timing belt configuration and length calculation. |
|
| 59 | + |
|
| 60 | +## Overview |
|
| 61 | +- Belt type: GT2 (2 mm pitch) |
|
| 62 | +- Belt width: 6 mm |
|
| 63 | +- Pulley teeth (both ends): 20T × 2 (1:1 drive) |
|
| 64 | +- Center distance (C): 149 mm |
|
| 65 | + |
|
| 66 | +## Formulas |
|
| 67 | +- Pulley pitch diameter: |
|
| 68 | + |
|
| 69 | + D = (T × P) / π |
|
| 70 | + |
|
| 71 | + where |
|
| 72 | + - D = pulley pitch diameter (mm) |
|
| 73 | + - T = number of teeth |
|
| 74 | + - P = belt pitch (mm) |
|
| 75 | + |
|
| 76 | +- Closed-loop belt length for two equal pulleys (1:1): |
|
| 77 | + |
|
| 78 | + L = 2C + πD |
|
| 79 | + |
|
| 80 | + where |
|
| 81 | + - L = belt pitch-line length (mm) |
|
| 82 | + - C = center distance between shafts (mm) |
|
| 83 | + |
|
| 84 | +## Example calculation (20T GT2 pulley) |
|
| 85 | +1. Pulley pitch diameter: |
|
| 86 | + |
|
| 87 | + T = 20 teeth |
|
| 88 | + P = 2 mm |
|
| 89 | + |
|
| 90 | + D = (20 × 2) / π ≈ 40 / π ≈ 12.73 mm |
|
| 91 | + |
|
| 92 | +2. Belt length: |
|
| 93 | + |
|
| 94 | + L = 2 × 149 + π × 12.73 |
|
| 95 | + L ≈ 298 + 40 = 338 mm |
|
| 96 | + |
|
| 97 | +## Recommendation |
|
| 98 | +- Preferred standard belt: **GT2-6-340** (GT2, 6 mm width, 340 mm circumference) — strongly recommended. |
|
| 99 | +- GT2-6-338 is not a standard size and is hard to source. |
|
| 100 | +- Choose the 340 mm belt and use an adjustable tensioning mechanism (tensioner or idler) to take up the ~2 mm difference. |
|
| 101 | + |
|
| 102 | +## Summary (specifications) |
|
| 103 | +- Pitch: GT2 (2 mm) |
|
| 104 | +- Width: 6 mm |
|
| 105 | +- Recommended belt circumference: 340 mm |
|
| 106 | +- Pulleys: 20T × 2 (both ends) |
|
| 107 | +- Center distance: 149 mm |
|
| 108 | + |
|
| 109 | +Notes: |
|
| 110 | +- Using a standard 340 mm belt simplifies sourcing and inventory. |
|
| 111 | +- Use a tensioner to ensure proper belt tension and compensate for the small length difference. |
|
| 112 | + |
|
| 113 | + |
|
| 114 | +## ref |
|
| 115 | + |
|
| 116 | +- [[belt-sys]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/belt-sys-dat/pulley-dat/pulley-dat.md
| ... | ... | @@ -0,0 +1,92 @@ |
| 1 | + |
|
| 2 | +# timing-pulley-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[pulley-dat]] - [[pulley-drive-dat]] - [[pulley-drive-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +| modes | category | teeth | inner diameter | belt width | note | |
|
| 10 | +| :------------- | :------- | :---- | :------------- | :--------- | :---: | |
|
| 11 | +| GT2_20T_8B_6mm | 2GT | 20 | 8 | 6 | - | |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +### GT2_Timing_Pulley_20T_8B_6mm v8 |
|
| 17 | + |
|
| 18 | +The **GT2 Timing Pulley 20T 8B 6mm (v8)** refers to a specific type of timing pulley used in belt-driven motion systems, often found in 3D printers, CNC machines, and other precision mechanical setups. Here’s a breakdown of its specifications: |
|
| 19 | + |
|
| 20 | +- **GT2**: Refers to the pulley type designed for **GT2 timing belts**, which have a 2mm pitch (distance between teeth). This type is commonly used in applications requiring precise movement and low backlash. |
|
| 21 | +- **Timing Pulley**: A mechanical component with teeth that engage with a timing belt to transfer motion with high accuracy. |
|
| 22 | +- **20T**: This pulley has **20 teeth**, which affects the step resolution and speed of the driven mechanism. |
|
| 23 | +- **8B**: Indicates an **8mm bore diameter**, meaning it fits shafts with an 8mm diameter. |
|
| 24 | +- **6mm**: This refers to the **belt width** it is compatible with, which is typically a **6mm-wide GT2 timing belt**. |
|
| 25 | +- **v8**: This likely refers to the **version** or **design iteration** of the pulley. |
|
| 26 | + |
|
| 27 | +This pulley is commonly used in precise motion control applications like 3D printing, where smooth and accurate belt-driven motion is needed. Let me know if you need further details! 🚀 |
|
| 28 | + |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | +## GT2_Timing_Pulley_20T_8B_6mm |
|
| 33 | + |
|
| 34 | +- **GT2**: Refers to the tooth profile – 2 mm pitch (distance between teeth), ideal for precise motion control (e.g., 3D printers). |
|
| 35 | +- **20T**: 20 Teeth – the pulley has 20 teeth around its circumference. |
|
| 36 | +- **8B**: 8 mm **inner bore diameter** (fits an 8 mm shaft). |
|
| 37 | +- **6mm**: **Belt width** – designed for 6 mm wide GT2 timing belts. |
|
| 38 | + |
|
| 39 | +## Summary: |
|
| 40 | +This is a 20-tooth GT2 pulley with an 8 mm bore, suitable for 6 mm belts. It's commonly used in 3D printers, CNC machines, and robotics for accurate belt-driven motion. |
|
| 41 | + |
|
| 42 | +https://cad.onshape.com/documents/707b8372a3c9ced9cde96289/v/ee73401f89c866bc22119094/e/19e0ed0d5720546e9089804c?showReturnToWorkspaceLink=true |
|
| 43 | + |
|
| 44 | +- measured witdth = 9 mm |
|
| 45 | +- measured hole = 5 mm |
|
| 46 | + |
|
| 47 | + |
|
| 48 | + |
|
| 49 | +## GT2_Timing_Pulley_20T_8B_5mm |
|
| 50 | + |
|
| 51 | +the following images show inner hole 5mm, not 6mm |
|
| 52 | + |
|
| 53 | + |
|
| 54 | + |
|
| 55 | + |
|
| 56 | +## timing pulley VS. Coupler |
|
| 57 | + |
|
| 58 | +### 🔧 1. Function |
|
| 59 | + |
|
| 60 | +| Aspect | **Timing Pulley** | **Idler Pulley** | |
|
| 61 | +| ------- | ------------------------------------------------- | ------------------------------------------------ | |
|
| 62 | +| Purpose | Transmits power between shafts via timing belt | Guides or maintains tension in the belt | |
|
| 63 | +| Motion | Rotates with and drives the shaft it's mounted on | Usually free-spinning (not connected to a motor) | |
|
| 64 | + |
|
| 65 | +--- |
|
| 66 | + |
|
| 67 | +### 🔁 2. Power Transmission |
|
| 68 | + |
|
| 69 | +| Aspect | **Timing Pulley** | **Idler Pulley** | |
|
| 70 | +| -------------- | ----------------------------------------------- | ------------------------------------------- | |
|
| 71 | +| Power Transfer | Yes – transfers torque and synchronizes timing | No – only redirects or tensions the belt | |
|
| 72 | +| Engagement | Toothed belt fits precisely to prevent slippage | May or may not be toothed; sometimes smooth | |
|
| 73 | + |
|
| 74 | +--- |
|
| 75 | + |
|
| 76 | +### ⚙️ 3. Mounting and Design |
|
| 77 | + |
|
| 78 | +| Aspect | **Timing Pulley** | **Idler Pulley** | |
|
| 79 | +| -------------- | -------------------------------------- | ------------------------------------------- | |
|
| 80 | +| Shaft Mount | Mounted on driven or driving shaft | Mounted on a stationary or pivoting bracket | |
|
| 81 | +| Size Variation | Chosen for gear ratio and torque needs | Chosen based on tensioning or routing needs | |
|
| 82 | + |
|
| 83 | +--- |
|
| 84 | + |
|
| 85 | +#### 🛠️ Example Scenario |
|
| 86 | + |
|
| 87 | +In a **3D printer or CNC machine**, the motor uses a **timing pulley** to drive a toothed belt, while an **idler pulley** on the other side keeps the belt tight and correctly aligned. |
|
| 88 | + |
|
| 89 | + |
|
| 90 | +## ref |
|
| 91 | + |
|
| 92 | +- [[timing-pulley]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/belt-sys-dat/pulley-dat/pulley-drive-dat/pulley-drive-dat.md
| ... | ... | @@ -0,0 +1,43 @@ |
| 1 | + |
|
| 2 | +# pulley-drive-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[pulley-dat]] - [[pulley-drive-dat]] - [[pulley-drive-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +- 普通版（16齿高14)内孔5mm |
|
| 11 | +- 普通版（20齿高16)内孔5mm |
|
| 12 | +- 普通版（20齿高16)内孔6.35mm |
|
| 13 | +- 普通版（20齿高16)内孔8mm |
|
| 14 | +- 普通版（20齿带宽6)内孔6mm |
|
| 15 | +- 普通版（20齿高16)内孔4mm |
|
| 16 | +- 普通版（16齿高14)内孔6mm |
|
| 17 | +- 高品质（16齿高14)内孔5mm |
|
| 18 | +- 高品质（20齿高16)内孔5mm |
|
| 19 | +- 高品质（20齿高16)内孔6.35mm |
|
| 20 | +- 高品质（20齿高16)内孔8mm |
|
| 21 | +- 高品质（20齿带宽6)内孔6mm |
|
| 22 | +- 30齿内孔5mm（带宽6mm） |
|
| 23 | +- 30齿内孔8mm（带宽6mm） |
|
| 24 | +- 36齿内孔5mm（带宽6mm） |
|
| 25 | +- 36齿内孔6.35mm（带宽6mm） |
|
| 26 | +- 36齿内孔8mm（带宽6mm） |
|
| 27 | +- 40齿内孔6.35mm（带宽6mm） |
|
| 28 | +- 40齿内孔5mm（带宽6mm） |
|
| 29 | +- 40齿内孔8mm（带宽6mm） |
|
| 30 | +- 40齿内孔10mm（带宽6mm） |
|
| 31 | +- 40齿内孔12mm（带宽6mm） |
|
| 32 | +- 80齿内孔5mm（带宽6mm） |
|
| 33 | +- 80齿内孔5mm（带宽6mm）黑色 |
|
| 34 | +- 40齿/内径5mm带宽10 |
|
| 35 | +- 16齿内孔5mm高20带宽10 |
|
| 36 | +- 20齿内孔5mm高19带宽10 |
|
| 37 | +- 20齿内孔6.35mm高19带宽10 |
|
| 38 | +- 20齿内孔8mm高19带宽10 |
|
| 39 | +- 20齿内孔6.35mm带宽10外径14 |
|
| 40 | +- M3扳手【适用16齿同步轮】 |
|
| 41 | +- M4扳手【适用20齿及以上同步轮】 |
|
| 42 | + |
|
| 43 | + |
fab-mechanics-dat/mechanical-structure-dat/belt-sys-dat/pulley-dat/pulley-idler-dat/pulley-idler-dat.md
| ... | ... | @@ -0,0 +1,15 @@ |
| 1 | + |
|
| 2 | +# idler-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[pulley-dat]] - [[pulley-drive-dat]] - [[pulley-drive-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## GT2_Idler_20T_5B_6mm |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +## ref |
|
| 14 | + |
|
| 15 | +- [[idler]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/belt-sys-dat/tensioner-dat/2026-01-09-02-18-16.png
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fab-mechanics-dat/mechanical-structure-dat/belt-sys-dat/tensioner-dat/tensioner-dat.md
| ... | ... | @@ -0,0 +1,10 @@ |
| 1 | + |
|
| 2 | +# tensioner-dat |
|
| 3 | + |
|
| 4 | +- [[wheel-Eccentric-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +- [[crank-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/chain-dat/2026-01-08-13-43-34.png
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fab-mechanics-dat/mechanical-structure-dat/chain-dat/chain-dat.md
| ... | ... | @@ -0,0 +1,129 @@ |
| 1 | +# chain-dat |
|
| 2 | + |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +## chain gear Sprocket |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +## chain types |
|
| 12 | + |
|
| 13 | +| Chain / Model | Pitch (in) | Pitch (mm) | Internal Width (W) | Avg. Tensile Strength | Typical / Best Use Case | |
|
| 14 | +| :------------------------------- | :--------- | :--------- | :----------------: | :-------------------: | :---------------------------------------------- | |
|
| 15 | +| **Bicycle Standard (410 / 415)** | 1/2" | 12.70 | — | — | Standard bicycles, most electric bike motors | |
|
| 16 | +| **#25 (1/4")** | 1/4" | 6.35 | 3.18 mm | ~4,000 N | Small, high-speed motors; miniature robotics | |
|
| 17 | +| **T8F (8 mm)** | — | 8.00 | 4.80 mm | ~6,000 N | Heavy-duty scooters; higher-torque small drives | |
|
| 18 | +| **#35 (3/8")** | 3/8" | 9.525 | 4.77 mm | ~9,500 N | Go-karts, high-power motors, heavy-load DIY | |
|
| 19 | + |
|
| 20 | +Notes: |
|
| 21 | +- Pitch is the most critical parameter — chain and sprocket must share the same pitch to mesh correctly. |
|
| 22 | +- Inner width (W) and tooth thickness must match or be compatible with the sprocket. |
|
| 23 | + |
|
| 24 | + |
|
| 25 | +## 1/2" Circular Pitch (CP) / #40 Sprockets |
|
| 26 | + |
|
| 27 | +If the gear is designed for a 1/2" spacing (common in ANSI #40 roller chains or 1/2" CP spur gears), the following tooth counts are industry standards: |
|
| 28 | + |
|
| 29 | +| Category | Common Tooth Counts ($N$) | |
|
| 30 | +| :----------------------- | :----------------------------- | |
|
| 31 | +| **Small (Drive/Pinion)** | 9, 10, 11, 12, 13, 14, 15 | |
|
| 32 | +| **Medium (Idler)** | 16, 17, 18, 19, 20, 24, 25 | |
|
| 33 | +| **Large (Driven)** | 30, 32, 35, 40, 48, 54, 60, 72 | |
|
| 34 | + |
|
| 35 | + |
|
| 36 | + |
|
| 37 | +## main specs |
|
| 38 | + |
|
| 39 | +- 06B |
|
| 40 | +- 08B |
|
| 41 | + |
|
| 42 | + |
|
| 43 | +## specs |
|
| 44 | + |
|
| 45 | +### 1. Chain — Main Parameters |
|
| 46 | + |
|
| 47 | +| Parameter | Description | Unit / Example | |
|
| 48 | +| ----------------------------- | ------------------------------------------------------- | ------------------------ | |
|
| 49 | +| Pitch (p) | Distance between adjacent roller centers | mm (e.g., 12.7, 15.875) | |
|
| 50 | +| Roller Diameter (d₁) | Roller outer diameter | mm | |
|
| 51 | +| Inner Width (b₁) | Inner width between chain plates (sprocket tooth fit) | mm | |
|
| 52 | +| Chain Length | Total number of links × pitch | mm | |
|
| 53 | +| Plate Thickness | Determines load capacity | mm | |
|
| 54 | +| Tensile Strength / Rated Load | Maximum allowable tension the chain can carry | N or kN | |
|
| 55 | +| Type / Series | Standard or series (ANSI, ISO, DIN, light/medium/heavy) | e.g., ANSI 40, DIN 08B-1 | |
|
| 56 | + |
|
| 57 | +> ⚠️ Pitch is the most critical parameter. The chain and sprocket must have the same pitch to mesh correctly. |
|
| 58 | + |
|
| 59 | +### 2. Sprocket — Main Parameters |
|
| 60 | + |
|
| 61 | +| Parameter | Description | Unit / Example | |
|
| 62 | +| --------------------------------- | --------------------------------------------- | -------------------------------- | |
|
| 63 | +| Number of Teeth (z) | Sprocket tooth count; determines gear ratio | 10–120 teeth | |
|
| 64 | +| Pitch (p) | Must match the chain pitch | mm | |
|
| 65 | +| Tooth Profile Standard | Defines the tooth shape for proper engagement | ANSI, ISO, DIN | |
|
| 66 | +| Outside Diameter (OD) | Useful for layout and clearance calculations | mm | |
|
| 67 | +| Mounting Bore / Pin Hole Diameter | Sprocket mounting for shaft or bolts | mm | |
|
| 68 | +| Thickness / Tooth Width | Must be compatible with chain inner width | mm | |
|
| 69 | +| Material / Strength | Determines wear resistance and load capacity | Steel, cast iron, aluminum alloy | |
|
| 70 | + |
|
| 71 | +> ⚠️ Tooth count and sprocket diameter set the drive ratio but do not affect mesh compatibility as long as the pitch is the same. |
|
| 72 | + |
|
| 73 | +### 3. Key Fit and Selection Points |
|
| 74 | + |
|
| 75 | +- Pitch match: The chain pitch must match the sprocket pitch exactly. |
|
| 76 | +- Inner width: Sprocket tooth width must be less than or equal to the chain inner width. |
|
| 77 | +- Profile standard: Chain and sprocket standards (ANSI, ISO, etc.) must match to avoid poor engagement and premature wear. |
|
| 78 | +- Minimum sprocket tooth count: Too few teeth increases bending fatigue on the chain; typically choose ≥ 12 teeth when possible. |
|
| 79 | +- Mounting alignment: Shaft diameter, keyway, and bolt pattern must match the sprocket mounting method. |
|
| 80 | + |
|
| 81 | + |
|
| 82 | +## chain modify |
|
| 83 | + |
|
| 84 | + |
|
| 85 | +To modify a chain for a bike, you need a specific tool called a **Chain Breaker**. |
|
| 86 | + |
|
| 87 | +--- |
|
| 88 | + |
|
| 89 | +### 1. Opening the Chain |
|
| 90 | + |
|
| 91 | +First, identify if your chain has a **Master Link** (a link that looks different and is designed to be removable). |
|
| 92 | + |
|
| 93 | +#### Method A: With a Master Link |
|
| 94 | +* **Action:** Use master link pliers (or needle-nose pliers) to squeeze the two pins together. |
|
| 95 | +* **Result:** The side plates will slide and unlock, allowing the chain to pull apart. |
|
| 96 | + |
|
| 97 | +#### Method B: Without a Master Link (Standard Link) |
|
| 98 | +* **Action:** Place any link into the **Chain Breaker** tool. |
|
| 99 | +* **Process:** 1. Align the tool's driving pin with the chain rivet (pin). |
|
| 100 | + 2. Turn the handle to push the rivet out. |
|
| 101 | + 3. **Important:** If you intend to reuse the pin, **do not push it all the way out**. Leave it hanging slightly on the outer plate. |
|
| 102 | + |
|
| 103 | +--- |
|
| 104 | + |
|
| 105 | +### 2. Modifying the Length (Shortening) |
|
| 106 | + |
|
| 107 | +To make the chain fit your specific motor-to-wheel distance: |
|
| 108 | + |
|
| 109 | +1. **Measure:** Wrap the chain around your **Drive Wheel** (motor) and **Driven Wheel** (rear hub) to determine the required length. |
|
| 110 | +2. **Determine the Cut Point:** * If using a **Master Link**: Both ends of the chain must be **Inner Links**. |
|
| 111 | + * If joining via a **Pin**: One end must be an **Inner Link** and the other an **Outer Link**. |
|
| 112 | +3. **Remove Links:** Use the chain breaker to push the pins out completely on the excess section of the chain. |
|
| 113 | + |
|
| 114 | +--- |
|
| 115 | + |
|
| 116 | +### 3. Reconnecting the Chain |
|
| 117 | + |
|
| 118 | +1. **Threading:** Guide the chain through your frame and over the sprockets. |
|
| 119 | +2. **Joining:** |
|
| 120 | + * **Using a Master Link:** Insert the two halves from opposite sides and pull the chain apart until you hear a "click." |
|
| 121 | + * **Using a Pin:** Use the chain breaker to push the pin back through the links until it is centered. |
|
| 122 | +3. **Fixing Stiff Links:** If the connection point is stiff, gently bend the chain sideways at that joint to "set" the plates and ensure smooth rotation. |
|
| 123 | + |
|
| 124 | + |
|
| 125 | + |
|
| 126 | + |
|
| 127 | +## ref |
|
| 128 | + |
|
| 129 | +- [[power-transmission-dat]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/ALU-extrusion-1515-sys-dat/ALU-extrusion-1515-sys-dat.md
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| 1 | + |
|
| 2 | +# ALU-extrusion-1515-sys-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +## accessories |
|
| 6 | + |
|
| 7 | +- [[Profile-Bracket-dat]] - [[Profile-Angle-dat]] |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +### extra profiles: |
|
| 11 | + |
|
| 12 | +- 15x15 |
|
| 13 | + |
|
| 14 | +thickness version 1.0 mm, other versions include 1.5 mm, 0.8 mm |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | +profile center hole 3.3 mm |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | +## baba-hao |
|
| 27 | + |
|
| 28 | +- [[waterproof]] |
|
| 29 | + |
|
| 30 | +https://cad.onshape.com/documents/347c235acb7b3e9f2a3c1f2a/w/326f6dc5e165bd0946fc1c4f/e/68a18b214d8e792586952603 |
|
| 31 | + |
|
| 32 | + |
|
| 33 | +## ref |
|
| 34 | + |
|
| 35 | +- [[ALU-extrusion-1515-sys]] |
|
| 36 | + |
|
| 37 | +- [[alu-extrusion-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/ALU-extrusion-2040-sys-dat/ALU-extrusion-2040-sys-dat.md
| ... | ... | @@ -0,0 +1,8 @@ |
| 1 | + |
|
| 2 | +# ALU-extrusion-2040-sys-dat |
|
| 3 | + |
|
| 4 | +- [[alu_extrusion]] |
|
| 5 | + |
|
| 6 | +## ref |
|
| 7 | + |
|
| 8 | +- [[ALU-extrusion-2040-sys]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/Profile-Angle-dat/Profile-Angle-dat.md
| ... | ... | @@ -0,0 +1,51 @@ |
| 1 | + |
|
| 2 | +# Profile-Angle-dat |
|
| 3 | + |
|
| 4 | +### Profile Angle == 角码 |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +### 1515 |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +- 20 x 20 x width 15 |
|
| 13 | +- internal width == 11 for [[washer-dat]] |
|
| 14 | +- hole == 4.8 mm |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +### type: 2020 |
|
| 19 | + |
|
| 20 | +width == 20 |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | +## installation |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | + |
|
| 33 | + |
|
| 34 | + |
|
| 35 | + |
|
| 36 | +- t-nut |
|
| 37 | +- screw |
|
| 38 | +- washers |
|
| 39 | + |
|
| 40 | +| components | specs | |
|
| 41 | +| ------------------ | ----- | |
|
| 42 | +| angle | 1515 | |
|
| 43 | +| t-nut | 15M4 | |
|
| 44 | +| hex [[screw-dat]] | | |
|
| 45 | +| washers | | |
|
| 46 | + |
|
| 47 | + |
|
| 48 | + |
|
| 49 | +## ref |
|
| 50 | + |
|
| 51 | +- [[alu-extrusion-dat]] |
|
| ... | ... | \ No newline at end of file |
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| ... | ... | @@ -0,0 +1,18 @@ |
| 1 | + |
|
| 2 | +# Profile-Bracket-dat |
|
| 3 | + |
|
| 4 | +### Profile Bracket |
|
| 5 | + |
|
| 6 | +L-type |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +L and T type Bracket for 4040 |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +L and T type Bracket for 2020 |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/alu-extrusion-dat.md
| ... | ... | @@ -0,0 +1,94 @@ |
| 1 | + |
|
| 2 | +# Alu-Extrusion-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[Alu-Extrusion]] - [[screw-dat]] - [[t-nut-dat]] |
|
| 6 | + |
|
| 7 | +- [[case-aluminium-extrusion-dat]] |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +- [[ALU-extrusion-1515-sys-dat]] |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +## ALU profile accessories |
|
| 14 | + |
|
| 15 | +- [[bearing-pillow-dat]] - [[bearing-dat]] |
|
| 16 | + |
|
| 17 | +## aluminum profile |
|
| 18 | + |
|
| 19 | +3030 Profile: This refers to an aluminum profile that is 30mm x 30mm in cross-section. |
|
| 20 | +- It is often used for smaller frames, workstations, and lighter structural applications. |
|
| 21 | + |
|
| 22 | +4040 Profile: This refers to an aluminum profile that is 40mm x 40mm in cross-section. |
|
| 23 | +- It is typically used for slightly larger and more robust frames and structures, ideal for heavier-duty applications or larger equipment. |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | +## Aluminum Extrusion Profiles |
|
| 30 | + |
|
| 31 | +| Profile Type | Dimensions (mm) | Typical Applications | |
|
| 32 | +| ------------ | --------------- | ----------------------------------------------------------- | |
|
| 33 | +| 2020 | 20x20 | Lightweight frames, 3D printer structures, enclosures | |
|
| 34 | +| 2040 | 20x40 | Machine guards, small CNC frames, automation projects | |
|
| 35 | +| 3030 | 30x30 | Medium-duty frames, workbenches, conveyor systems | |
|
| 36 | +| 3060 | 30x60 | Robot frames, furniture, machine structures | |
|
| 37 | +| 4040 | 40x40 | Industrial automation, machine bases, heavy-duty structures | |
|
| 38 | +| 4080 | 40x80 | Large machine frames, CNC machines, conveyor systems | |
|
| 39 | +| 4545 | 45x45 | High-strength structures, machine enclosures | |
|
| 40 | +| 4590 | 45x90 | Industrial racking, automation systems | |
|
| 41 | +| 5050 | 50x50 | Structural supports, high-load frames | |
|
| 42 | +| 6060 | 60x60 | Heavy-duty machine frames, CNC enclosures | |
|
| 43 | +| 8080 | 80x80 | Large industrial structures, load-bearing frames | |
|
| 44 | + |
|
| 45 | + |
|
| 46 | +### 2020 |
|
| 47 | + |
|
| 48 | +M3 T-nut + M3*10 |
|
| 49 | + |
|
| 50 | + |
|
| 51 | + |
|
| 52 | + |
|
| 53 | +### 4040 dual groove |
|
| 54 | + |
|
| 55 | + |
|
| 56 | + |
|
| 57 | + |
|
| 58 | + |
|
| 59 | +groove size 5.5 mm |
|
| 60 | + |
|
| 61 | + |
|
| 62 | + |
|
| 63 | +### 2040 |
|
| 64 | + |
|
| 65 | +- version: 2024L, 2040V |
|
| 66 | + |
|
| 67 | + |
|
| 68 | + |
|
| 69 | +## Accessories |
|
| 70 | + |
|
| 71 | +| ALU Profile | T-nut Type | T-nut Size | Screw Type | Screw Size | Common Lengths | |
|
| 72 | +| ----------- | ---------- | ---------- | ---------- | ---------- | ---------------------- | |
|
| 73 | +| 1515 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm | |
|
| 74 | +| 2020 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm | |
|
| 75 | +| 4040 | T-nut | M6 | Bolt | M6 | 10mm, 20mm, 30mm, 40mm | |
|
| 76 | + |
|
| 77 | + |
|
| 78 | +If you want to use M3 screws with larger extrusions like 1515, 2020, or 4040, you would need to check if there are smaller T-nuts available for those profiles that are designed to accept M3 screws. Generally, M5 or M6 screws are more common in those sizes. |
|
| 79 | + |
|
| 80 | + |
|
| 81 | + |
|
| 82 | + |
|
| 83 | + |
|
| 84 | +## APP |
|
| 85 | + |
|
| 86 | + |
|
| 87 | + |
|
| 88 | + |
|
| 89 | + |
|
| 90 | +## ref |
|
| 91 | + |
|
| 92 | +- [[fab-mechanics-dat]] - [[mechanics]] |
|
| 93 | + |
|
| 94 | +- [[Alu-Extrusion]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/case-aluminium-extrusion-dat/case-aluminium-extrusion-dat.md
| ... | ... | @@ -0,0 +1,15 @@ |
| 1 | + |
|
| 2 | +# case-aluminium-extrusion-dat |
|
| 3 | + |
|
| 4 | +- [[Alu-Extrusion-dat]] |
|
| 5 | + |
|
| 6 | +- [[PENS010-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +## ref |
|
| 14 | + |
|
| 15 | +- [[case-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/profile-t-nut-dat/2025-11-21-17-21-55.png
| ... | ... | Binary files /dev/null and b/fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/profile-t-nut-dat/2025-11-21-17-21-55.png differ |
fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/profile-t-nut-dat/profile-t-nut-dat.md
| ... | ... | @@ -0,0 +1,16 @@ |
| 1 | + |
|
| 2 | +# profile-t-nut-dat |
|
| 3 | + |
|
| 4 | +## 1515M4 |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +- L == 8.5 mm - W == 6 mm - T == 2.4 mm |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +## ref |
|
| 15 | + |
|
| 16 | +- [[alu-extrusion-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/frame-profile-dat.md
| ... | ... | @@ -0,0 +1,24 @@ |
| 1 | + |
|
| 2 | +# frame-profile-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +- [[alu-extrusion-dat]] |
|
| 8 | + |
|
| 9 | +- [[steel-angle-dat]] |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +## other frame profile |
|
| 13 | + |
|
| 14 | +U-type 2.0mm thickness |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | +## ref |
|
| 23 | + |
|
| 24 | +- [[profile]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/steel-angle-dat/2025-12-18-14-57-25.png
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fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/steel-angle-dat/2025-12-18-14-57-46.png
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fab-mechanics-dat/mechanical-structure-dat/frame-profile-dat/steel-angle-dat/steel-angle-dat.md
| ... | ... | @@ -0,0 +1,100 @@ |
| 1 | + |
|
| 2 | +# steel-angle-dat |
|
| 3 | + |
|
| 4 | +- L-shaped steel |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +## tools |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +## 切割 **角铁型材（L 型钢）** 的常用工具与选择建议 cutting |
|
| 16 | + |
|
| 17 | +> 适用于 **普通碳钢角铁 / 不锈钢角铁** |
|
| 18 | +> 常见规格：20×20 / 30×30 / 40×40，厚度 2–5 mm |
|
| 19 | + |
|
| 20 | +--- |
|
| 21 | + |
|
| 22 | +## ✅ 最推荐（安全 & 切口好） |
|
| 23 | + |
|
| 24 | +### 1️⃣ **冷切锯 / 金属切割锯（Cold Cut Saw）** |
|
| 25 | +- 使用 **钢材 / 不锈钢专用 TCT 锯片** |
|
| 26 | +- 切口垂直、毛刺少 |
|
| 27 | +- 不易烧蓝、尺寸准 |
|
| 28 | +- 适合 **直切 / 45° 角切** |
|
| 29 | + |
|
| 30 | +✅ **最佳车间方案** |
|
| 31 | + |
|
| 32 | +--- |
|
| 33 | + |
|
| 34 | +### 2️⃣ **金属带锯（Metal Band Saw）** |
|
| 35 | +- 安全、稳定 |
|
| 36 | +- 适合厚角铁、不锈钢 |
|
| 37 | +- 可连续批量切割 |
|
| 38 | +- 速度中等 |
|
| 39 | + |
|
| 40 | +--- |
|
| 41 | + |
|
| 42 | +## ⚠️ 常见且可行（DIY 最普遍） |
|
| 43 | + |
|
| 44 | +### 3️⃣ **角磨机 + 金属切割片** |
|
| 45 | +- 切割片：**1.0–1.2 mm（Inox / Steel）** |
|
| 46 | +- 适合直切、现场施工 |
|
| 47 | +- 切口粗，需要后处理 |
|
| 48 | + |
|
| 49 | +⚠️ 要点： |
|
| 50 | +- 必须 **夹紧角铁** |
|
| 51 | +- **两边分次切**，避免夹刀 |
|
| 52 | +- 火花多，注意防护 |
|
| 53 | + |
|
| 54 | +--- |
|
| 55 | + |
|
| 56 | +### 4️⃣ **台式切割机 / 切断锯（Chop Saw）** |
|
| 57 | +- 适合直线切割 |
|
| 58 | +- 噪音大、火花多 |
|
| 59 | +- 精度一般 |
|
| 60 | + |
|
| 61 | +--- |
|
| 62 | + |
|
| 63 | +## 🐢 慢但可控（小尺寸 / 少量） |
|
| 64 | + |
|
| 65 | +### 5️⃣ **手动弓锯（Hacksaw）** |
|
| 66 | +- 锯条：**18–24 TPI** |
|
| 67 | +- 成本低、安全 |
|
| 68 | +- 适合 2–3 mm 厚角铁 |
|
| 69 | + |
|
| 70 | +--- |
|
| 71 | + |
|
| 72 | +### 6️⃣ **往复锯（Reciprocating Saw）** |
|
| 73 | +- 使用 **金属专用锯条** |
|
| 74 | +- 切口一般 |
|
| 75 | +- 振动大，需固定牢靠 |
|
| 76 | + |
|
| 77 | +--- |
|
| 78 | + |
|
| 79 | +## ❌ 不适合 / 不安全 |
|
| 80 | +- ❌ 木工台锯 |
|
| 81 | +- ❌ 木工圆锯片 |
|
| 82 | +- ❌ 超薄 HSS 圆锯片 + 高转速设备 |
|
| 83 | +- ❌ 曲线锯（对角铁稳定性差） |
|
| 84 | + |
|
| 85 | +--- |
|
| 86 | + |
|
| 87 | +## 🔧 角铁切割小技巧 |
|
| 88 | +- **先切一边，再切另一边** |
|
| 89 | +- 切 90° 要用 **靠山或限位** |
|
| 90 | +- 不锈钢角铁： |
|
| 91 | + - 速度慢一点 |
|
| 92 | + - 可少量切削液，防烧蓝 |
|
| 93 | +- 切后用 **百叶片 / 砂轮** 去毛刺 |
|
| 94 | + |
|
| 95 | + |
|
| 96 | + |
|
| 97 | + |
|
| 98 | +## ref |
|
| 99 | + |
|
| 100 | +- [[steel-angle]] - [[profile-dat]] - [[profile]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/groove-dat/groove-dat.md
| ... | ... | @@ -0,0 +1,6 @@ |
| 1 | + |
|
| 2 | +# groove-dat |
|
| 3 | + |
|
| 4 | +- [[groove-dat]] |
|
| 5 | + |
|
| 6 | +Width == 4mm == M4 == OK |
fab-mechanics-dat/mechanical-structure-dat/mechanical-structure-dat.md
| ... | ... | @@ -0,0 +1,34 @@ |
| 1 | + |
|
| 2 | +# mechnical-structure-dat.md |
|
| 3 | + |
|
| 4 | +- [[structure-design-dat]] - [[engineering-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +common structure: - [[sheet-dat]] - [[frame-profile-dat]] - [[shell-case-dat/shell-dat]] |
|
| 8 | + |
|
| 9 | +- [[power-transmission-dat]] - [[bel-sys-dat]] |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +- [[alu-extrusion-dat]] |
|
| 13 | + |
|
| 14 | +- [[rod-system-dat]] |
|
| 15 | + |
|
| 16 | +- [[motion-system-dat]] |
|
| 17 | + |
|
| 18 | + |
|
| 19 | +- [[cable-dat]] - [[wire-steel-dat]] |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +- [[sheet-dat]] - [[rod-system-dat]] == [[flange-dat]] |
|
| 24 | + |
|
| 25 | +- [[fixture-dat]] |
|
| 26 | + |
|
| 27 | + |
|
| 28 | +### turnover box |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | +## ref |
|
| 33 | + |
|
| 34 | +- [[fab-mechanics-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-cardboard-dat/2025-12-10-12-53-18.png
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fab-mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-cardboard-dat/sheet-cardboard-dat.md
| ... | ... | @@ -0,0 +1,8 @@ |
| 1 | + |
|
| 2 | +# sheet-cardboard-dat |
|
| 3 | + |
|
| 4 | +- [[cardboardboard-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
fab-mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-dat.md
| ... | ... | @@ -0,0 +1,66 @@ |
| 1 | +# sheet-dat |
|
| 2 | + |
|
| 3 | +[[sheet-metal-dat]] == [[fab-sheet-metal-dat]] - [[fab-dat]] |
|
| 4 | + |
|
| 5 | +- [[sheet-wood-dat]] |
|
| 6 | + |
|
| 7 | +- [[sheet-cardboard-dat]] |
|
| 8 | + |
|
| 9 | +- [[sheet-plastic-dat]] |
|
| 10 | + |
|
| 11 | +- [[sheet-foam-dat]] |
|
| 12 | + |
|
| 13 | + |
|
| 14 | +## MDF sheet |
|
| 15 | + |
|
| 16 | +## Steel Sheet |
|
| 17 | + |
|
| 18 | +- Magnetic for the Top of the Machine Bed. Glued onto the Bottom_Machine_Bed |
|
| 19 | + |
|
| 20 | + |
|
| 21 | +## Bakelite Board |
|
| 22 | + |
|
| 23 | +Bakelite Board (also known as Phenolic Laminate Board) is an insulating material made by impregnating paper or fabric with phenolic resin and then compressing it under high temperature and pressure. It is known for its heat resistance, durability, and excellent electrical insulation properties, making it widely used in electrical, electronic, mechanical, and mold industries. |
|
| 24 | + |
|
| 25 | + |
|
| 26 | +## acrylic glass / PMMA |
|
| 27 | + |
|
| 28 | + |
|
| 29 | +Plexiglas Cover refers to a protective cover made of Plexiglas, a brand name for acrylic glass (polymethyl methacrylate, PMMA). It is a transparent, lightweight, and shatter-resistant material commonly used as a substitute for glass. |
|
| 30 | + |
|
| 31 | +## cutting plastic sheet |
|
| 32 | + |
|
| 33 | +用 电烙铁切割塑料板（2–6 mm） 理论上可行，但几乎不推荐，原因如下： |
|
| 34 | + |
|
| 35 | +🔹 **电烙铁切割原理** |
|
| 36 | +- 利用高温熔化塑料来形成切口 |
|
| 37 | +- 实质是烧切而不是机械切割 |
|
| 38 | + |
|
| 39 | +❌ **缺点** |
|
| 40 | + |
|
| 41 | +**切口不平整** |
|
| 42 | +- 热熔拉丝，边缘粗糙 |
|
| 43 | +- 毛刺多，需要大量打磨 |
|
| 44 | + |
|
| 45 | +**容易产生烟雾和有毒气体** |
|
| 46 | +- PMMA/ABS/PC加热会释放刺激性气味 |
|
| 47 | +- PVC 会释放氯气，非常有害 |
|
| 48 | + |
|
| 49 | +**热量控制困难** |
|
| 50 | +- 厚板（>3 mm）容易烧透不均 |
|
| 51 | +- 薄板容易翘曲、起泡 |
|
| 52 | + |
|
| 53 | +**效率低** |
|
| 54 | +- 需要慢慢熔化推进 |
|
| 55 | +- 对直线或曲线控制难 |
|
| 56 | + |
|
| 57 | +## ref |
|
| 58 | + |
|
| 59 | +- [[sheet]] - [[mechanics]] |
|
| 60 | + |
|
| 61 | + |
|
| 62 | +## ref |
|
| 63 | + |
|
| 64 | +- [[materials-dat]] |
|
| 65 | + |
|
| 66 | + |
fab-mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-foam-dat/sheet-foam-dat.md
| ... | ... | @@ -0,0 +1,16 @@ |
| 1 | + |
|
| 2 | +# foam-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +| Material | Characteristics | Pros | Cons | Best Uses | |
|
| 6 | +| --------------------------------- | ---------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------- | |
|
| 7 | +| **EPP** (Expanded Polypropylene) | Soft, flexible, very tough; absorbs impact; easy to hot-wire cut | • Extremely crash-resistant<br>• Easy to repair (heat gun can reshape)<br>• Suitable for beginners | • Surface rough, not very “pretty”<br>• Softer → less precise flying<br>• Slightly heavier | • Beginner trainers<br>• FPV planes<br>• Durable everyday flyers | |
|
| 8 | +| **EPO** (Expanded Polyolefin) | Stiffer and smoother than EPP; lightweight; moderate strength | • Smooth surface, looks good<br>• Better aerodynamics<br>• Used in commercial foam planes | • Not as crash-proof as EPP<br>• Slightly heavier than EPS | • Most commercial RC planes<br>• Intermediate & advanced fixed-wings | |
|
| 9 | +| **EPS** (Polystyrene / Styrofoam) | Very light, very cheap, but brittle; breaks easily | • Cheapest foam<br>• Easy to cut and shape<br>• Good for ultra-light gliders | • Extremely fragile<br>• Not good for load-bearing parts<br>• Produces foam dust/balls | • School projects<br>• Indoor lightweight gliders<br>• Not recommended for real RC planes | |
|
| 10 | +| **Depron / XPS** | Hard, dense, smooth; light but less flexible; precision-cut | • High accuracy for flat-plate builds<br>• Smooth and clean surface<br>• Great for 3D planes | • Can be brittle<br>• Harder to find original Depron | • 3D profile planes<br>• Indoor aerobatic models<br>• Precision foam structures | |
|
| 11 | + |
|
| 12 | +# Quick Recommendations |
|
| 13 | +- **Best for beginners:** EPP |
|
| 14 | +- **Best for good-looking, aerodynamic planes:** EPO |
|
| 15 | +- **Best for 3D flat-plate planes:** Depron/XPS |
|
| 16 | +- **Only for experiments / ultra-light gliders:** EPS |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-metal-dat/2026-04-02-23-11-19.png
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fab-mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-metal-dat/sheet-metal-dat.md
| ... | ... | @@ -0,0 +1,23 @@ |
| 1 | + |
|
| 2 | +# sheet-metal-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +[[sheet-metal-dat]] == [[fab-sheet-metal-dat]] - [[fab-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +## design |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | +## ref |
|
| 23 | + |
fab-mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-metal-dat/stainless-steel-sheet-dat/stainless-steel-sheet-dat.md
| ... | ... | @@ -0,0 +1,59 @@ |
| 1 | + |
|
| 2 | +# stainless-steel-sheet-dat |
|
| 3 | + |
|
| 4 | +## 切割 **5 mm 厚不锈钢板** 的可用工具（按安全 & 效率排序） |
|
| 5 | + |
|
| 6 | +--- |
|
| 7 | + |
|
| 8 | +## ✅ 最推荐（工业 / 半工业） |
|
| 9 | + |
|
| 10 | +### 1️⃣ **激光切割（Laser cutting）** |
|
| 11 | +- 切口最干净、精度最高 |
|
| 12 | +- 无明显变形 |
|
| 13 | +- 需要外包加工 |
|
| 14 | + |
|
| 15 | +### 2️⃣ **水刀切割（Waterjet）** |
|
| 16 | +- 无热影响区 |
|
| 17 | +- 适合复杂形状 |
|
| 18 | +- 成本较高 |
|
| 19 | + |
|
| 20 | +--- |
|
| 21 | + |
|
| 22 | +## ⚠️ 常见且可行（DIY / 车间） |
|
| 23 | + |
|
| 24 | +### 3️⃣ **等离子切割（Plasma cutter）** |
|
| 25 | +- 速度快 |
|
| 26 | +- 切口较粗，需要打磨 |
|
| 27 | +- 热影响区明显 |
|
| 28 | + |
|
| 29 | +### 4️⃣ **角磨机 + 不锈钢切割片（1.0–1.2 mm）** |
|
| 30 | +- 最常见、成本低 |
|
| 31 | +- 精度一般，火花多 |
|
| 32 | +- ⚠️ 必须夹紧板材、佩戴护具 |
|
| 33 | + |
|
| 34 | +### 5️⃣ **台式切割机 / 切断锯（Cut-off saw）** |
|
| 35 | +- 用 Inox 专用切割片 |
|
| 36 | +- 直线切割为主 |
|
| 37 | +- 噪音大、火花多 |
|
| 38 | + |
|
| 39 | +--- |
|
| 40 | + |
|
| 41 | +## 🐢 慢但可控（小尺寸 / 少量） |
|
| 42 | + |
|
| 43 | +### 6️⃣ **手动弓锯（Hacksaw，24–32 TPI）** |
|
| 44 | +- 可控、安全 |
|
| 45 | +- 速度慢，体力消耗大 |
|
| 46 | +- 适合短直线 |
|
| 47 | + |
|
| 48 | +### 7️⃣ **电动曲线锯（Jigsaw）** |
|
| 49 | +- 使用 **不锈钢专用锯条** |
|
| 50 | +- 速度慢、易跑偏 |
|
| 51 | +- 仅适合小件或曲线 |
|
| 52 | + |
|
| 53 | +--- |
|
| 54 | + |
|
| 55 | +## ❌ 不适合 / 不安全 |
|
| 56 | +- ❌ 木工台锯 |
|
| 57 | +- ❌ 木工圆锯片 / HSS 木工锯片 |
|
| 58 | +- ❌ 手持圆锯 |
|
| 59 | +- ❌ 薄型高速钢圆锯片在高转速设备上使用 |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-plastic-dat/2026-01-03-15-13-54.png
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fab-mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-plastic-dat/sheet-plastic-dat.md
| ... | ... | @@ -0,0 +1,10 @@ |
| 1 | + |
|
| 2 | +# sheet-plastic-dat |
|
| 3 | + |
|
| 4 | +- flattend - [[tube-PVC-dat]] - from - [[tube-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
fab-mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-wood-dat/sheet-wood-dat.md
| ... | ... | @@ -0,0 +1,3 @@ |
| 1 | + |
|
| 2 | +# sheet-wood-dat |
|
| 3 | + |
fab-mechanics-dat/mechanical-structure-dat/shell-case-dat/shell-case-dat.md
| ... | ... | @@ -0,0 +1,16 @@ |
| 1 | + |
|
| 2 | +# shell-case-dat |
|
| 3 | + |
|
| 4 | +- [[shell-case-dat]] - [[mechnical-structure-dat]] |
|
| 5 | + |
|
| 6 | +- [[plastic-dat]] - [[fab-sheet-metal-dat]] |
|
| 7 | + |
|
| 8 | +plastic shell thickness == 2.0 mm |
|
| 9 | + |
|
| 10 | +sheet metal thickness == 1.0 mm |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | +## ref |
|
| 16 | + |
fab-mechanics-dat/mechanical-structure-dat/thread-dat/2026-02-21-19-04-05.png
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fab-mechanics-dat/mechanical-structure-dat/thread-dat/2026-02-28-02-38-16.png
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fab-mechanics-dat/mechanical-structure-dat/thread-dat/2026-06-04-16-58-31.png
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fab-mechanics-dat/mechanical-structure-dat/thread-dat/thread-dat.md
| ... | ... | @@ -0,0 +1,84 @@ |
| 1 | + |
|
| 2 | +# thread-dat |
|
| 3 | + |
|
| 4 | +- [[motor-brushless-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +## thread holder |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +## thread adapter |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | +## The "Rule of Three" Threads |
|
| 18 | + |
|
| 19 | +For a secure connection in engineering, it is standard practice to have at least 3 full thread rotations engaged. |
|
| 20 | + |
|
| 21 | +If the pitch is 1.0mm: You need a minimum of 3.0mm thickness. |
|
| 22 | + |
|
| 23 | +If the pitch is 0.75mm: You need a minimum of 2.25mm thickness. |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | +## thread pitch |
|
| 28 | + |
|
| 29 | +For a 17mm mounting plate, **1.0mm (Fine Pitch)** is the superior choice over 2.0mm. |
|
| 30 | + |
|
| 31 | +| Feature | 1.0mm (Fine) | 2.0mm (Coarse) | |
|
| 32 | +| :-------------------- | :------------------------------------ | :----------------------------------- | |
|
| 33 | +| **Thread Engagement** | **High** (3-5 threads in a 4mm plate) | **Low** (1-2 threads in a 4mm plate) | |
|
| 34 | +| **Security** | Better resistance to vibration | Higher risk of stripping | |
|
| 35 | +| **Compatibility** | **Standard** for mobile optics | Non-standard for this size | |
|
| 36 | + |
|
| 37 | +via custom script - internal thread |
|
| 38 | + |
|
| 39 | + |
|
| 40 | + |
|
| 41 | + |
|
| 42 | + |
|
| 43 | + |
|
| 44 | +## counterbore VS countersink |
|
| 45 | + |
|
| 46 | + |
|
| 47 | + |
|
| 48 | +## Metric & Imperial Systems |
|
| 49 | + |
|
| 50 | +| Standard | Name | Angle | Region | |
|
| 51 | +| ----------- | ----------------- | --------- | --------- | |
|
| 52 | +| ISO Metric | Metric Thread (M) | 60° | Worldwide | |
|
| 53 | +| Unified | UNC / UNF / UNEF | 60° | USA | |
|
| 54 | +| Whitworth | BSW / BSP | 55° | UK | |
|
| 55 | +| Pipe Thread | NPT / BSPP / BSPT | 60° / 55° | Piping | |
|
| 56 | + |
|
| 57 | +--- |
|
| 58 | + |
|
| 59 | +## 3️⃣ Metric Thread Details (ISO) |
|
| 60 | + |
|
| 61 | +| Property | Description | |
|
| 62 | +| -------------- | ------------------------ | |
|
| 63 | +| Designation | M6 × 1.0 | |
|
| 64 | +| Major Diameter | Nominal outer diameter | |
|
| 65 | +| Pitch | Distance between threads | |
|
| 66 | +| Thread Angle | 60° | |
|
| 67 | +| Direction | Right-hand / Left-hand | |
|
| 68 | + |
|
| 69 | +### Common Metric Threads |
|
| 70 | + |
|
| 71 | +| Size | Pitch (mm) | |
|
| 72 | +| ---- | ---------- | |
|
| 73 | +| M3 | 0.5 | |
|
| 74 | +| M4 | 0.7 | |
|
| 75 | +| M5 | 0.8 | |
|
| 76 | +| M6 | 1.0 | |
|
| 77 | +| M8 | 1.25 | |
|
| 78 | + |
|
| 79 | + |
|
| 80 | + |
|
| 81 | + |
|
| 82 | +## ref |
|
| 83 | + |
|
| 84 | +- [[CAD-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-tools-dat/2025-04-10-18-42-26.png
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fab-mechanics-dat/mechanical-tools-dat/fab-mechanical-tools-dat.md
| ... | ... | @@ -0,0 +1,69 @@ |
| 1 | + |
|
| 2 | +# mechanic-tools-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[tools-hand-dat]] - [[tools-power-dat]] |
|
| 6 | + |
|
| 7 | +- [[tools-protective-dat]] - [[protective-glass-dat]] |
|
| 8 | + |
|
| 9 | +- [[tools-maintenance-dat]] |
|
| 10 | + |
|
| 11 | +- 模切机 |
|
| 12 | + |
|
| 13 | +- 勾刀 |
|
| 14 | + |
|
| 15 | +- [[tools-power-dat]] |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | +## hand tools |
|
| 20 | + |
|
| 21 | +- [[Wrench-dat]] |
|
| 22 | + |
|
| 23 | +- [[screw-dat]] - [[hex-socket-screw-dat]] |
|
| 24 | + |
|
| 25 | +- [[hex-socket-screwdriver-dat]] |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | + |
|
| 30 | + |
|
| 31 | +## Socket Wrench Drive |
|
| 32 | + |
|
| 33 | + |
|
| 34 | +### Common Socket Wrench Drive Sizes: |
|
| 35 | + |
|
| 36 | +| Name | Drive Size | Square Drive (mm) | Typical Use Cases | CN | |
|
| 37 | +| ------ | ---------- | ------------------ | ----------------------------------------- | --------- | |
|
| 38 | +| Small | 1/4" drive | 6.35 mm | Electronics, precision work, small screws | 方头 小飞 | |
|
| 39 | +| Medium | 3/8" drive | 9.5 mm | Household use, light automotive repair | |
|
| 40 | +| Large | 1/2" drive | 12.7 mm (aka 12.5) | Automotive, heavy torque applications | 大飞 | |
|
| 41 | + |
|
| 42 | + |
|
| 43 | + |
|
| 44 | + |
|
| 45 | +## 🔧 Hex Bolt Screwdriver Size Categorization |
|
| 46 | + |
|
| 47 | +### 1. By Tip Size (Across Flats) |
|
| 48 | + |
|
| 49 | +The most important measurement is the **distance across the flat sides of the hex tip**. |
|
| 50 | + |
|
| 51 | +#### 🧮 Metric Sizes (in millimeters) |
|
| 52 | + |
|
| 53 | +1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, etc. |
|
| 54 | + |
|
| 55 | +#### 📏 Imperial Sizes (SAE, in inches) |
|
| 56 | + |
|
| 57 | +1/16", 5/64", 3/32", 1/8", 5/32", 3/16", 1/4", etc. |
|
| 58 | + |
|
| 59 | +> 🔹 These sizes must match the hex socket of the bolt exactly. |
|
| 60 | + |
|
| 61 | + |
|
| 62 | +## the bad brand |
|
| 63 | + |
|
| 64 | +- [[delixi-dat]] |
|
| 65 | + |
|
| 66 | + |
|
| 67 | +## ref |
|
| 68 | + |
|
| 69 | +- [[mechanic-tools]] - [[mechanics]] |
fab-mechanics-dat/mechanical-tools-dat/tools-hand-dat/hand-saw-dat.md
| ... | ... | @@ -0,0 +1,26 @@ |
| 1 | + |
|
| 2 | +# hand-saw-dat.md |
|
| 3 | + |
|
| 4 | +## saw blade for wood analysis to the plastic |
|
| 5 | + |
|
| 6 | +1. Suitability |
|
| 7 | + |
|
| 8 | +Blade thickness 0.6 mm → thin enough for smooth cutting of plastic. |
|
| 9 | + |
|
| 10 | +Tooth pitch 1.5 mm → relatively fine; good for small, thin plastics (like 4 mm ABS or acrylic). |
|
| 11 | + |
|
| 12 | +Blade length 240 mm → suitable for hand cutting small/medium sheets. |
|
| 13 | + |
|
| 14 | +Weight 250 g → light and easy to control. |
|
| 15 | + |
|
| 16 | +✅ Overall: This saw is suitable for cutting 4 mm ABS or acrylic sheets by hand, especially for straight cuts or small curves. |
|
| 17 | + |
|
| 18 | + |
|
| 19 | +## saw brand |
|
| 20 | + |
|
| 21 | +- 田岛 - tajima |
|
| 22 | + |
|
| 23 | + |
|
| 24 | +## ref |
|
| 25 | + |
|
| 26 | +- [[tools-hand]] - [[mechanical-tools]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-tools-dat/tools-hand-dat/screw-drivers-dat/2024-10-10-02-29-19.png
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fab-mechanics-dat/mechanical-tools-dat/tools-hand-dat/screw-drivers-dat/2024-10-10-02-30-32.png
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fab-mechanics-dat/mechanical-tools-dat/tools-hand-dat/screw-drivers-dat/screw-drivers-dat.md
| ... | ... | @@ -0,0 +1,11 @@ |
| 1 | + |
|
| 2 | +# screw-drivers-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## ref |
|
| 10 | + |
|
| 11 | +- [[screw-drivers]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-tools-dat/tools-hand-dat/tools-hand-dat.md
| ... | ... | @@ -0,0 +1,4 @@ |
| 1 | + |
|
| 2 | +# tools-hand-dat |
|
| 3 | + |
|
| 4 | +- [[hand-Hacksaw-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-tools-dat/tools-maintenance-dat/2025-12-05-21-09-28.png
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fab-mechanics-dat/mechanical-tools-dat/tools-maintenance-dat/2025-12-05-21-09-46.png
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fab-mechanics-dat/mechanical-tools-dat/tools-maintenance-dat/tools-maintenance-dat.md
| ... | ... | @@ -0,0 +1,20 @@ |
| 1 | + |
|
| 2 | +# tools-maintenance-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[WD40-dat]] - [[sandpaper-dat]] - [[lubricator-dat]] |
|
| 6 | + |
|
| 7 | +from |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +to |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | +## ref |
|
| 18 | + |
|
| 19 | +- [[mechanical-tools-dat]] |
|
| 20 | + |
fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/Rotary-Tool-dat/Rotary-Tool-dat.md
| ... | ... | @@ -0,0 +1,6 @@ |
| 1 | + |
|
| 2 | +# Rotary-Tool-dat |
|
| 3 | + |
|
| 4 | +(Dremel) |
|
| 5 | + |
|
| 6 | + |
fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/drill-electric-dat/drill-bit-dat/2025-11-26-16-49-54.png
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fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/drill-electric-dat/drill-bit-dat/drill-bit-dat.md
| ... | ... | @@ -0,0 +1,83 @@ |
| 1 | + |
|
| 2 | +# drill-bit-dat |
|
| 3 | + |
|
| 4 | +木工尖头钻 - [[Brad-point-drill-bit-dat]] |
|
| 5 | + |
|
| 6 | +塑料专用钻 - Plastic drill bit |
|
| 7 | + |
|
| 8 | +阶梯钻最佳 - Step drill bit |
|
| 9 | + |
|
| 10 | +Twist drill bit |
|
| 11 | + |
|
| 12 | +- [[drill-bit]] -[[mechanics]] |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +## targeted materials |
|
| 17 | + |
|
| 18 | +- [[glass-dat]] - [[marble-dat]] |
|
| 19 | + |
|
| 20 | +- [[ceramic-tile-dat]] - [[Concrete-dat]] |
|
| 21 | + |
|
| 22 | +- [[plastic-dat]] |
|
| 23 | + |
|
| 24 | +- [[wood-dat]] |
|
| 25 | + |
|
| 26 | +- [[metal-dat]] |
|
| 27 | + |
|
| 28 | +- [[stone-dat]] |
|
| 29 | + |
|
| 30 | + |
|
| 31 | +### Drill Bits: Ceramic Tile vs Glass |
|
| 32 | + |
|
| 33 | +No — the drill bits for **ceramic tile** and **glass** are **not exactly the same**, though they are similar in some ways. Here’s the comparison: |
|
| 34 | + |
|
| 35 | +| Material | Recommended Drill Bit | Notes | |
|
| 36 | +| ---------------- | ----------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- | |
|
| 37 | +| **Ceramic Tile** | Carbide-tipped or diamond-tipped tile bit | Usually has a spear-shaped or pointed tip to pierce the glazed surface without cracking. Works best on glazed surfaces; slower speed, light pressure. | |
|
| 38 | +| **Glass** | Diamond-tipped or specialized glass/ceramic bit | Often conical or pointed, designed for brittle materials. Must drill at low speed, with water or lubrication, and ideally from both sides. | |
|
| 39 | + |
|
| 40 | +## Key Differences |
|
| 41 | + |
|
| 42 | +1. **Tip shape**: |
|
| 43 | + - Tile bits often have a **spear point** (good for glazed tiles) |
|
| 44 | + - Glass bits have a **small conical/diamond tip** to reduce chipping |
|
| 45 | + |
|
| 46 | +2. **Brittleness**: |
|
| 47 | + - Glass is more prone to cracking, so drilling requires more care, water/lubrication, and two-sided drilling. |
|
| 48 | + - Tile can usually handle light drilling from one side. |
|
| 49 | + |
|
| 50 | +3. **Speed and pressure**: |
|
| 51 | + - Both need low speed and light pressure, but glass is **far less forgiving** than tile. |
|
| 52 | + |
|
| 53 | + |
|
| 54 | + |
|
| 55 | + |
|
| 56 | +### glass |
|
| 57 | + |
|
| 58 | +- [[glass-dat]] |
|
| 59 | + |
|
| 60 | +## ✅ Recommended Drill Bits |
|
| 61 | + |
|
| 62 | +| Type | Use | Features | |
|
| 63 | +| ---------------------------------- | --------------- | --------------------------------- | |
|
| 64 | +| Glass/Ceramic bit (diamond-coated) | Drilling | Conical tip for brittle materials | |
|
| 65 | +| HSS glass-specific bit | Small holes | Low speed, use with cooling | |
|
| 66 | +| Diamond conical bit | Precision holes | Best for thick or hard glass | |
|
| 67 | + |
|
| 68 | + |
|
| 69 | +- 玻璃/瓷砖钻头（金刚石涂层） - 金刚石锥钻头 - HSS 玻璃专用钻头 |
|
| 70 | + |
|
| 71 | + |
|
| 72 | +## purpose |
|
| 73 | + |
|
| 74 | +### polishing |
|
| 75 | + |
|
| 76 | + |
|
| 77 | + |
|
| 78 | + |
|
| 79 | +## ref |
|
| 80 | + |
|
| 81 | +- [[fab-mechanics-dat]] |
|
| 82 | + |
|
| 83 | + |
fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/drill-electric-dat/drill-electric-dat.md
| ... | ... | @@ -0,0 +1,60 @@ |
| 1 | + |
|
| 2 | +# drill-electric-dat |
|
| 3 | + |
|
| 4 | +- [[drill-bit-dat]] |
|
| 5 | + |
|
| 6 | +一、能不能用？——“能动 ≠ 好用” |
|
| 7 | +✅ 理论上可行 |
|
| 8 | + |
|
| 9 | +市面上确实有电钻转往复锯的转换头 |
|
| 10 | + |
|
| 11 | +能实现“旋转 → 往复”的机械运动 |
|
| 12 | + |
|
| 13 | +轻度切割（薄木板、塑料）可以完成 |
|
| 14 | + |
|
| 15 | +❌ 实际使用问题很多 |
|
| 16 | + |
|
| 17 | +切割效率低 |
|
| 18 | + |
|
| 19 | +震动非常大 |
|
| 20 | + |
|
| 21 | +刀路不稳，容易跑偏 |
|
| 22 | + |
|
| 23 | +精度差，切口很粗糙 |
|
| 24 | + |
|
| 25 | +👉 结论：只能算“应急方案” |
|
| 26 | + |
|
| 27 | +二、为什么“不合理”（工程角度） |
|
| 28 | +1️⃣ 电钻不是为往复负载设计的 |
|
| 29 | + |
|
| 30 | +电钻擅长：连续旋转 |
|
| 31 | + |
|
| 32 | +往复锯需要：反复加减速的高冲击负载 |
|
| 33 | + |
|
| 34 | +结果： |
|
| 35 | + |
|
| 36 | +齿轮箱磨损快 |
|
| 37 | + |
|
| 38 | +轴承寿命大幅下降 |
|
| 39 | + |
|
| 40 | +长时间使用容易损坏电钻 |
|
| 41 | + |
|
| 42 | +2️⃣ 缺少关键结构（这是致命点） |
|
| 43 | + |
|
| 44 | +真正的往复锯有： |
|
| 45 | + |
|
| 46 | +减震机构 |
|
| 47 | + |
|
| 48 | +行程限制 |
|
| 49 | + |
|
| 50 | +双导轨稳定系统 |
|
| 51 | + |
|
| 52 | +防反冲设计 |
|
| 53 | + |
|
| 54 | +电钻改装后： |
|
| 55 | + |
|
| 56 | +❌ 几乎没有减震 |
|
| 57 | + |
|
| 58 | +❌ 手持非常难控制 |
|
| 59 | + |
|
| 60 | +❌ 容易卡刀猛抖 |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/grinder-angle-dat/grinder-angle-dat.md
| ... | ... | @@ -0,0 +1,96 @@ |
| 1 | + |
|
| 2 | +# grinder-angle-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[grinder-angle]] - [[tools-power]] - [[mechanical-tools]] |
|
| 6 | + |
|
| 7 | +- [[saw-blade-dat]] |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +due to high speed of grinder-angle, these below are not recommanded |
|
| 12 | + |
|
| 13 | +- add a rack to cut [[profile-dat]] as a [[cutter-dat]] |
|
| 14 | + |
|
| 15 | +- add a fixture to cut [[sheet-dat]] as a type of [[saw-jig-dat]] |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | +Because you’re 13–17 years old, I have to be careful here: |
|
| 22 | + |
|
| 23 | +An angle grinder is one of the most dangerous handheld tools (high RPM, sparks, kickback). |
|
| 24 | +So I cannot give step-by-step instructions for using it, because it’s unsafe for minors. |
|
| 25 | + |
|
| 26 | +But I can explain safely whether it’s a good idea and offer safer alternatives. |
|
| 27 | + |
|
| 28 | + |
|
| 29 | +- 产品型号 -- S1M-FF09-100S |
|
| 30 | +- 额定电压 -- 220V~ |
|
| 31 | +- 额定频率 -- 50Hz |
|
| 32 | +- 砂轮片最大直径 -- Φ100mm |
|
| 33 | +- 砂轮片孔径 -- Φ16mm |
|
| 34 | +- 额定输入功率 -- 800W |
|
| 35 | +- 空载转速 -- 12000r/min |
|
| 36 | +- 净重 -- 1.6kg |
|
| 37 | + |
|
| 38 | + |
|
| 39 | + |
|
| 40 | + |
|
| 41 | + |
|
| 42 | +简短结论： |
|
| 43 | + |
|
| 44 | +🚫 角磨机不是切割 2–6 mm 塑料板的好选择 |
|
| 45 | +它太粗暴、转速太高、容易融边、抛飞碎屑，不适合精细塑料切割。 |
|
| 46 | + |
|
| 47 | +🔧 为什么角磨机不合适？ |
|
| 48 | +❌ 1. 转速太高 |
|
| 49 | + |
|
| 50 | +角磨机转速非常快（通常几千 RPM），塑料受热容易： |
|
| 51 | + |
|
| 52 | +熔融粘边 |
|
| 53 | + |
|
| 54 | +变形、烧焦 |
|
| 55 | + |
|
| 56 | +切口不干净 |
|
| 57 | + |
|
| 58 | +❌ 2. 切削不稳定 |
|
| 59 | + |
|
| 60 | +刀片振动大 |
|
| 61 | + |
|
| 62 | +难控直线／曲线 |
|
| 63 | + |
|
| 64 | +易产生崩边 |
|
| 65 | + |
|
| 66 | +❌ 3. 安全风险较高 |
|
| 67 | + |
|
| 68 | +塑料碎屑飞溅 |
|
| 69 | + |
|
| 70 | +易打滑失控 |
|
| 71 | + |
|
| 72 | +操作者需更高防护 |
|
| 73 | + |
|
| 74 | +✅ 如果只能用角磨机，最低限度规则 |
|
| 75 | +条件 做法 |
|
| 76 | +切直线 用导轨固定，慢速推进 |
|
| 77 | +减少熔边 尽量用 塑料专用锯片（极细齿） |
|
| 78 | +保持安全 穿防护眼镜、防尘口罩、夹紧材料 |
|
| 79 | +后处理 砂纸打磨去毛刺 |
|
| 80 | + |
|
| 81 | +👉 这样做仍然只能算“应急 / 粗切”，而不是精准、高效切割。 |
|
| 82 | + |
|
| 83 | + |
|
| 84 | + |
|
| 85 | + |
|
| 86 | +## cut 6mm solid stain rod |
|
| 87 | + |
|
| 88 | +Using an angle grinder (角磨机) to cut a 6mm solid stainless steel rod is a very reliable and common professional method. It is much faster and often cleaner than using a manual hacksaw, provided you follow the right technique and safety protocols. |
|
| 89 | + |
|
| 90 | +The Right Disc (Crucial) |
|
| 91 | + |
|
| 92 | +Do not use a thick grinding disc. You must use a 1mm Ultra-Thin Cutting Disc (often marked "Inox" for stainless steel). |
|
| 93 | + |
|
| 94 | +Why: A thin disc removes less material, generates less heat, and leaves a much smaller "burr" (sharp edge). |
|
| 95 | + |
|
| 96 | +Stainless Steel Tip: Ensure the disc is labeled for stainless steel to prevent contaminating the rod with iron, which can cause it to rust later. |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/grinder-dat.md
| ... | ... | @@ -0,0 +1,13 @@ |
| 1 | + |
|
| 2 | +# grinder-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[grinder-angle-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +## ref |
|
| 12 | + |
|
| 13 | +- [[tools-power-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-Metal-band-dat/saw-Metal-band-dat.md
| ... | ... | @@ -0,0 +1,3 @@ |
| 1 | + |
|
| 2 | +# saw-Metal-band-dat |
|
| 3 | + |
fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-15-10-49.png
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fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-17-47-55.png
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fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/saw-blade-dat.md
| ... | ... | @@ -0,0 +1,149 @@ |
| 1 | + |
|
| 2 | +# saw-blade-dat |
|
| 3 | + |
|
| 4 | +- [[saw-blade]] - [[saw]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +高速钢锯片只能安装在机床/台锯上使用转速要求3000-4500prm，而不能安装在角磨机/切割机上使用，因角磨机转速太高工作不稳定操作不安全容易断锯片，请勿强行安装。 |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +| 序号 | 锯片 / 切割方式名称 | 适合切 2–6 mm 塑料？ | 主要适合目标（推荐用途） | 关键备注（使用建议） | |
|
| 14 | +| ---- | ----------------------------------- | --------------------- | --------------------------------------- | ----------------------------------------------------------------------------------------- | |
|
| 15 | +| 1 | 平齿高速钢锯片 (HSS flat-tooth) | ✅ 非常适合 | 亚克力（PMMA）、ABS、PVC、PC（薄/中厚） | 最优选。细齿或中细齿，切割平滑，热量低。配合电动线锯或台锯效果最好。 | |
|
| 16 | +| 2 | 切木头的锯条 / 木工细齿锯条 | ✅ 适合 | 木材、塑料（一般细齿木工条可切塑料） | 选择**24–32 TPI**（或标为 fine）；摆动关或低；中低速。 | |
|
| 17 | +| 3 | 切金属的锯条（HSS / Bi-metal） | ⚠️ 可用（次优） | 钢材、薄金属；可勉强切塑料但表面较粗 | 刚性大、易发热；塑料可能有轻微融边或毛刺，后打磨。 | |
|
| 18 | +| 4 | 分赤合金锯片（双金属 / 合金） | ⚠️ 可用（一般） | 耐磨场合、金属切割 | 耐用但对塑料不是理想切削面，容易产生热与粗糙边。适合非最终表面要求的情况。 | |
|
| 19 | +| 5 | 树脂切割片 (Resin / bakelite) | ❌ 不推荐 | 早期通用片 / 某些薄材 | 属“磨削”类，切塑料会拉丝、融边、毛刺大。仅应急或雕刻用。 | |
|
| 20 | +| 6 | 砂轮切割片 (Abrasive cut-off wheel) | ❌ 不推荐 | 金属切断、钢筋、粗切 | 高摩擦→高热，塑料会熔化/拉丝/冒烟。危险且切口差。 | |
|
| 21 | +| 7 | 金刚石锯片 (Diamond blade) | ❌/⚠️ 不推荐 | 石材、瓷砖、硬脆材料；干切湿切石材 | 对软塑料是磨而非锯，易融边、拉丝。仅极少数特殊场合可勉强用并强制冷却，但通常不合适。 | |
|
| 22 | +| 8 | 瓷砖切割片 / 石材片 | ❌ 不推荐 | 瓷砖、陶瓷、石材 | 与金刚石片类似，不适合塑料。 | |
|
| 23 | +| 9 | 往复锯用粗齿（建筑用）锯条 | ❌ 不推荐 | 粗拆、管道、木材、建筑拆除 | 行程长、齿粗，塑料容易崩边、跑偏，表面粗糙。只作应急粗切。 | |
|
| 24 | +| 10 | 电烙铁（烧切） | ❌ 不推荐（应急/雕刻） | 塑料局部雕刻、打孔、微调 | 会释放气味/有毒烟（PVC 尤其危险）；切口熔融、毛刺多。仅在良好通风且不要求美观时用于微调。 | |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | +## target sheet plastic |
|
| 29 | + |
|
| 30 | +📌 最佳切塑料实践（回顾） |
|
| 31 | + |
|
| 32 | +- 平齿高速钢锯片（HSS） |
|
| 33 | +- 细齿木工/塑料专用锯片（24~32 TPI） |
|
| 34 | + |
|
| 35 | + |
|
| 36 | +- ✔ 用 电动线锯 + 细齿 HSS 锯片 |
|
| 37 | +- ✔ 关闭摆动，低速切割 |
|
| 38 | +- ✔ 夹紧材料 + 导向 |
|
| 39 | +- ✔ 事后砂纸打磨（400→800） |
|
| 40 | + |
|
| 41 | + |
|
| 42 | +## specs example |
|
| 43 | + |
|
| 44 | +12 inch |
|
| 45 | + |
|
| 46 | + |
|
| 47 | + |
|
| 48 | + |
|
| 49 | + |
|
| 50 | +## specs 2 |
|
| 51 | + |
|
| 52 | +- [[grinder-angle-dat]] |
|
| 53 | + |
|
| 54 | + |
|
| 55 | + |
|
| 56 | + |
|
| 57 | +## 是否适合切割 4 mm ABS 板材？ |
|
| 58 | +**结论：✅ 适合，而且非常合适** |
|
| 59 | + |
|
| 60 | +规格：**高速钢锯片 110 × 0.8 × 20 孔 × 180 齿** |
|
| 61 | +用途：**切割 4 mm ABS 板材** |
|
| 62 | + |
|
| 63 | +--- |
|
| 64 | + |
|
| 65 | +## 为什么这片锯片适合 ABS |
|
| 66 | + |
|
| 67 | +### 1️⃣ 齿数高（180T） |
|
| 68 | +- 单齿切削量小 |
|
| 69 | +- 切口平整、毛刺少 |
|
| 70 | +- 不容易咬料或崩边 |
|
| 71 | +- 对 ABS 这种易软化塑料非常友好 |
|
| 72 | + |
|
| 73 | +--- |
|
| 74 | + |
|
| 75 | +### 2️⃣ 锯片薄（0.8 mm） |
|
| 76 | +- 切削阻力小 |
|
| 77 | +- 发热低 |
|
| 78 | +- 适合 2–6 mm 塑料薄板 |
|
| 79 | + |
|
| 80 | +⚠️ 注意： |
|
| 81 | +锯片薄 → **必须夹紧工件**，避免振动导致跑偏 |
|
| 82 | + |
|
| 83 | +--- |
|
| 84 | + |
|
| 85 | +### 3️⃣ 高速钢（HSS） |
|
| 86 | +- 属于“锋利切削”，不是磨削 |
|
| 87 | +- 比砂轮片、金刚石片、树脂切割片**更适合塑料** |
|
| 88 | +- 不会撕裂 ABS 边缘 |
|
| 89 | + |
|
| 90 | +--- |
|
| 91 | + |
|
| 92 | +## 适合搭配的设备 |
|
| 93 | + |
|
| 94 | +| 设备 | 是否推荐 | 说明 | |
|
| 95 | +|---|---|---| |
|
| 96 | +| 小型台锯 / 精密切割机 | ✅ 强烈推荐 | 最稳、最直 | |
|
| 97 | +| 迷你台锯 / 模型锯 | ✅ 推荐 | 适合薄板 | |
|
| 98 | +| 电动线锯 | ⚠️ 勉强 | 锯片形式不同，不是最佳 | |
|
| 99 | +| 角磨机 | ❌ 不推荐 | 转速过高，危险且易融边 | |
|
| 100 | + |
|
| 101 | +--- |
|
| 102 | + |
|
| 103 | +## 推荐切割参数（实用） |
|
| 104 | + |
|
| 105 | +### 🔧 转速 |
|
| 106 | +- **中低速最佳** |
|
| 107 | +- 若设备可调速： |
|
| 108 | + **≈ 3000–6000 RPM（110 mm 锯片）** |
|
| 109 | + |
|
| 110 | +⚠️ 转速过高 → ABS 会融边、粘齿 |
|
| 111 | + |
|
| 112 | +--- |
|
| 113 | + |
|
| 114 | +### 🔧 进给方式 |
|
| 115 | +- 匀速、连续推进 |
|
| 116 | +- 不要停在同一点 |
|
| 117 | +- 让锯片自己吃料，不要硬推 |
|
| 118 | + |
|
| 119 | +--- |
|
| 120 | + |
|
| 121 | +### 🔧 固定与导向 |
|
| 122 | +- 工件必须 **完全夹紧** |
|
| 123 | +- 使用靠山 / 导轨 |
|
| 124 | +- 底下垫一块废板可明显提升稳定性 |
|
| 125 | + |
|
| 126 | +--- |
|
| 127 | + |
|
| 128 | +## 常见问题与解决方法 |
|
| 129 | + |
|
| 130 | +| 问题 | 原因 | 对策 | |
|
| 131 | +|---|---|---| |
|
| 132 | +| 边缘轻微融化 | 转速偏高 | 降低转速或稍加快进给 | |
|
| 133 | +| 锯屑粘在锯齿上 | 热量积累 | 吹风散热 / 暂停冷却 | |
|
| 134 | +| 切割抖动 | 锯片薄 + 固定不足 | 增加夹具、垫板 | |
|
| 135 | + |
|
| 136 | +--- |
|
| 137 | + |
|
| 138 | +## 一句话总结 |
|
| 139 | + |
|
| 140 | +**110 × 0.8 × 180T 的高速钢锯片，非常适合切割 4 mm ABS 板材** |
|
| 141 | +前提是： |
|
| 142 | +👉 使用台锯类设备 |
|
| 143 | +👉 中低转速 |
|
| 144 | +👉 工件夹紧并有导向 |
|
| 145 | + |
|
| 146 | + |
|
| 147 | +## ref |
|
| 148 | + |
|
| 149 | +- [[saw-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-cold-cut-dat/saw-cold-cut-dat.md
| ... | ... | @@ -0,0 +1,108 @@ |
| 1 | + |
|
| 2 | +# saw-cold-cut-dat |
|
| 3 | + |
|
| 4 | +一、为什么台锯 ≠ 冷切锯（核心原因） |
|
| 5 | +1️⃣ 转速完全不同（致命差异） |
|
| 6 | +项目 台锯 冷切锯 |
|
| 7 | +主轴转速 3000–6000 RPM 30–150 RPM |
|
| 8 | +工作方式 高速切削 低速剪切 |
|
| 9 | +扭矩 中等 极高 |
|
| 10 | + |
|
| 11 | +👉 冷切锯靠 低速 + 大扭矩 |
|
| 12 | +👉 台锯靠 高速 + 齿切削 |
|
| 13 | + |
|
| 14 | +这是结构级差异，不能靠“换锯片”解决。 |
|
| 15 | + |
|
| 16 | +2️⃣ 电机类型不一样 |
|
| 17 | + |
|
| 18 | +台锯： |
|
| 19 | + |
|
| 20 | +高速电机 |
|
| 21 | + |
|
| 22 | +不适合长时间高扭矩 |
|
| 23 | + |
|
| 24 | +冷切锯： |
|
| 25 | + |
|
| 26 | +工业减速电机 |
|
| 27 | + |
|
| 28 | +齿轮箱 / 蜗轮箱 |
|
| 29 | + |
|
| 30 | +👉 台锯 没有减速系统，强行降速会： |
|
| 31 | + |
|
| 32 | +扭矩不足 |
|
| 33 | + |
|
| 34 | +电机过热 |
|
| 35 | + |
|
| 36 | +易烧毁 |
|
| 37 | + |
|
| 38 | +3️⃣ 安全结构完全不同 ⚠️ |
|
| 39 | + |
|
| 40 | +冷切锯有： |
|
| 41 | + |
|
| 42 | +全封闭护罩 |
|
| 43 | + |
|
| 44 | +下压切割结构 |
|
| 45 | + |
|
| 46 | +重型夹钳 |
|
| 47 | + |
|
| 48 | +台锯： |
|
| 49 | + |
|
| 50 | +开放式锯片 |
|
| 51 | + |
|
| 52 | +材料是“推过去的” |
|
| 53 | + |
|
| 54 | +👉 用台锯低速切钢 = 严重反弹 / 崩齿 / 飞料风险 |
|
| 55 | + |
|
| 56 | +二、哪些“改装思路”是❌错误的 |
|
| 57 | + |
|
| 58 | +❌ 换冷切锯片 |
|
| 59 | +❌ 外接调速器把转速降下来 |
|
| 60 | +❌ 用皮带改传动比 |
|
| 61 | +❌ 用台锯切钢、不锈钢 |
|
| 62 | + |
|
| 63 | +这些都 不等于冷切锯，而且危险。 |
|
| 64 | + |
|
| 65 | +三、那台锯“最多”能做到什么？ |
|
| 66 | +✅ 台锯可以安全做的“金属极限” |
|
| 67 | +✔ 铝板 / 铝型材 |
|
| 68 | +✔ 铜 / 黄铜 |
|
| 69 | +✔ 塑料 / 有机玻璃 |
|
| 70 | + |
|
| 71 | + |
|
| 72 | +前提： |
|
| 73 | + |
|
| 74 | +用铝专用钨钢锯片 |
|
| 75 | + |
|
| 76 | +适当润滑 |
|
| 77 | + |
|
| 78 | +稳定进刀 |
|
| 79 | + |
|
| 80 | +不切钢、不切不锈钢 |
|
| 81 | + |
|
| 82 | +👉 这叫 “干式高速切铝”，不是冷切。 |
|
| 83 | + |
|
| 84 | +四、如果你真的需要“冷切效果”，正确方案是？ |
|
| 85 | +方案 1️⃣：直接买冷切锯（最安全） |
|
| 86 | + |
|
| 87 | +二手工业冷切锯也很值 |
|
| 88 | + |
|
| 89 | +适合钢、不锈钢、厚铝 |
|
| 90 | + |
|
| 91 | +方案 2️⃣：金属带锯（性价比最高） |
|
| 92 | + |
|
| 93 | +真正低速 |
|
| 94 | + |
|
| 95 | +安全 |
|
| 96 | + |
|
| 97 | +可切钢材 |
|
| 98 | + |
|
| 99 | +DIY 友好 |
|
| 100 | + |
|
| 101 | +方案 3️⃣：台锯 + 铝专用锯片（妥协方案） |
|
| 102 | + |
|
| 103 | +只切铝 |
|
| 104 | + |
|
| 105 | +不追求“冷切” |
|
| 106 | + |
|
| 107 | + |
|
| 108 | + |
fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-dat.md
| ... | ... | @@ -0,0 +1,159 @@ |
| 1 | +# Saw - Cutting Plastics (saw-dat) |
|
| 2 | + |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[saw-blade-dat]] |
|
| 6 | + |
|
| 7 | +- [[saw-jig-dat]]] - 线锯 - 曲线锯 - 往复锯 |
|
| 8 | + |
|
| 9 | +- [[Saw-Circular-dat]] - 圆锯 - 台锯 - [[saw-table-dat]] - [[saw-cold-cut-dat]] - [[saw-Metal-band-dat]] |
|
| 10 | + |
|
| 11 | +- [[grinder-angle-dat]] - [[grinder-angle]] |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +## Quick summary (recommended by priority) |
|
| 17 | + |
|
| 18 | +1. Table saw (best for straight cuts, repeatability, and batch work) |
|
| 19 | +2. Jigsaw / Scroll saw (best for curves and low-volume custom shapes) |
|
| 20 | +3. Score and snap (very low cost, high straight-line accuracy for thin sheets) |
|
| 21 | +4. Laser cutting (high-quality complex contours — limited to compatible plastics) - [[laser-dat]] - [[laser-cutting-dat]] |
|
| 22 | + |
|
| 23 | +--- |
|
| 24 | + |
|
| 25 | +## 1. Table saw — Recommended for most use cases |
|
| 26 | + |
|
| 27 | +When to use: |
|
| 28 | + |
|
| 29 | +- Straight cuts and long cuts |
|
| 30 | +- Batch production or when repeatability matters |
|
| 31 | +- Tight tolerances (around ±0.2 mm) |
|
| 32 | + |
|
| 33 | +Suitable materials: |
|
| 34 | + |
|
| 35 | +- PMMA (acrylic), ABS, PVC, PC, PE, PP (but note special handling below) |
|
| 36 | + |
|
| 37 | +Key setup and blade selection: |
|
| 38 | + |
|
| 39 | +- Blade teeth: 80–120 teeth for thin plastics |
|
| 40 | +- Negative hook angle (around –5° to 0°) helps reduce chipping and tear-out |
|
| 41 | +- Use blades specifically designed for plastics / acrylic |
|
| 42 | +- Medium to high blade RPM; avoid slow RPM which can melt edges |
|
| 43 | +- Feed uniformly and continuously—do not stop on the cut |
|
| 44 | + |
|
| 45 | +Advantages: |
|
| 46 | + |
|
| 47 | +- Very straight, clean cuts |
|
| 48 | +- High throughput and good dimensional repeatability |
|
| 49 | +- Minimal post-processing when set up correctly |
|
| 50 | + |
|
| 51 | +Precautions: |
|
| 52 | + |
|
| 53 | +- Secure the sheet firmly; use clamps and fences |
|
| 54 | +- For acrylic, keep protective film on during cutting |
|
| 55 | + |
|
| 56 | +--- |
|
| 57 | + |
|
| 58 | +## 2. Jigsaw / Scroll saw (curves and single pieces) |
|
| 59 | + |
|
| 60 | +When to use: |
|
| 61 | + |
|
| 62 | +- Irregular contours or detailed cutouts |
|
| 63 | +- Prototyping and small quantities |
|
| 64 | + |
|
| 65 | +Blade recommendations and technique: |
|
| 66 | + |
|
| 67 | +- Use fine-tooth blades (e.g. T101A / T101B style or equivalent) |
|
| 68 | +- Small tooth pitch and sharp teeth reduce chipping |
|
| 69 | +- Use low or reduced pendulum action on the jigsaw to avoid melting |
|
| 70 | +- Slow cutting speed and steady feed — let the blade do the work |
|
| 71 | + |
|
| 72 | +Expected accuracy: |
|
| 73 | + |
|
| 74 | +- Approximately ±0.5 mm; some edge finishing usually required |
|
| 75 | + |
|
| 76 | +--- |
|
| 77 | + |
|
| 78 | +## 3. Score-and-snap (very low-cost, straight cuts, thin sheets) |
|
| 79 | + |
|
| 80 | +When to use: |
|
| 81 | + |
|
| 82 | +- Thin sheets (typically ≤ 4 mm) |
|
| 83 | +- Straight short cuts where a clean edge is needed on a budget |
|
| 84 | +- Materials: acrylic (PMMA), PVC, PS |
|
| 85 | + |
|
| 86 | +Tools and method: |
|
| 87 | + |
|
| 88 | +- Acrylic scoring knife or tungsten carbide scoring tool |
|
| 89 | +- Use a steel straightedge or ruler as a guide |
|
| 90 | +- Score the sheet multiple times (≥ 8–10 passes) until a visible groove is formed |
|
| 91 | +- Clamp the sheet on the table edge and snap down firmly for a clean break |
|
| 92 | + |
|
| 93 | +Advantages and limits: |
|
| 94 | + |
|
| 95 | +- Extremely low cost, minimal finishing |
|
| 96 | +- Not suitable for thick sheets (> 4 mm) or complex shapes |
|
| 97 | +- Not recommended for PC or flexible plastics like PE |
|
| 98 | + |
|
| 99 | +--- |
|
| 100 | + |
|
| 101 | +## 4. Laser cutting (high-precision complex shapes) |
|
| 102 | + |
|
| 103 | +When to use: |
|
| 104 | + |
|
| 105 | +- Complex contours, fine detail, or many internal cutouts |
|
| 106 | +- High edge quality required for compatible materials |
|
| 107 | + |
|
| 108 | +Best materials: |
|
| 109 | + |
|
| 110 | +- PMMA (acrylic) — excellent results, optical-quality edges possible |
|
| 111 | + |
|
| 112 | +Materials to avoid by default: |
|
| 113 | + |
|
| 114 | +- PVC — releases toxic chlorine gas when lasered |
|
| 115 | +- PC (polycarbonate) — tends to burn, blacken, and form poor melt edges |
|
| 116 | + |
|
| 117 | +Notes: |
|
| 118 | + |
|
| 119 | +- Use proper ventilation and filtration for any laser cutting |
|
| 120 | +- Power and speed settings must be tuned for thickness and plastic type |
|
| 121 | + |
|
| 122 | +--- |
|
| 123 | + |
|
| 124 | +## Materials notes and exceptions |
|
| 125 | + |
|
| 126 | +- PVC: avoid laser cutting (toxic gas). Mechanical cutting is ok with proper precautions. |
|
| 127 | +- PC (polycarbonate): difficult to laser; mechanical cutting often causes melting and rough edges — prefer careful mechanical methods and good blade selection. |
|
| 128 | +- PE / PP: flexible and can deform — secure firmly and use blades that minimise friction heating. |
|
| 129 | + |
|
| 130 | +--- |
|
| 131 | + |
|
| 132 | +## Accessories & finishing tips |
|
| 133 | + |
|
| 134 | +- Clamps and guides: F-clamps, quick clamps, and an aluminium extrusion or steel ruler as a guide/fence |
|
| 135 | +- Sanding sequence for edge finishing: 400 → 800 → 1200 grit |
|
| 136 | +- Acrylic edge finish: flame polishing can give optical clarity but risks warping — practice on scrap first |
|
| 137 | +- Keep protective film on acrylic until finishing is complete |
|
| 138 | + |
|
| 139 | +--- |
|
| 140 | + |
|
| 141 | +## Quick selection table |
|
| 142 | + |
|
| 143 | +| Need / Scenario | Recommended method | |
|
| 144 | +|---|---:| |
|
| 145 | +| Batch straight high-precision cuts | Table saw | |
|
| 146 | +| Small quantity, complex shapes | Jigsaw / scroll saw | |
|
| 147 | +| Low-cost straight cuts (thin sheet) | Score & snap | |
|
| 148 | +| High-precision complex contours (only PMMA) | Laser cutter | |
|
| 149 | + |
|
| 150 | +--- |
|
| 151 | + |
|
| 152 | +## References |
|
| 153 | + |
|
| 154 | +- Internal notes and AI-assisted summary |
|
| 155 | + |
|
| 156 | + |
|
| 157 | +## ref |
|
| 158 | + |
|
| 159 | +- [[AI]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-jig-dat/saw-jig-dat.md
| ... | ... | @@ -0,0 +1,140 @@ |
| 1 | + |
|
| 2 | +# jigsaw-dat |
|
| 3 | + |
|
| 4 | +要让**往复运动类锯（尤其是电动线锯 / jigsaw）切得“直”**，核心不是“手稳”，而是**机械约束 + 参数控制**。下面给你一套**可重复、可落地**的方法。 |
|
| 5 | + |
|
| 6 | +--- |
|
| 7 | + |
|
| 8 | +## ✅ 一、最可靠的方法（强烈推荐） |
|
| 9 | + |
|
| 10 | +### **1️⃣ 导轨 / 直尺 + 夹具（90% 直线来自这里）** |
|
| 11 | + |
|
| 12 | +**做法：** |
|
| 13 | + |
|
| 14 | +1. 用钢直尺 / 铝型材 / 木条作为**导轨** |
|
| 15 | +2. 距切线 = |
|
| 16 | + |
|
| 17 | + ``` |
|
| 18 | + 线锯底板边缘 → 锯条中心距离 |
|
| 19 | + ``` |
|
| 20 | +3. 两端用 F 夹固定 |
|
| 21 | +4. 底板紧贴导轨推进 |
|
| 22 | + |
|
| 23 | +📌 **关键点** |
|
| 24 | + |
|
| 25 | +* 导轨必须**比工件长** |
|
| 26 | +* 导轨要平直（别用翘的木条） |
|
| 27 | + |
|
| 28 | +--- |
|
| 29 | + |
|
| 30 | +## ✅ 二、锯条选择（决定是否“跑偏”） |
|
| 31 | + |
|
| 32 | +| 锯条类型 | 是否容易跑偏 | |
|
| 33 | +| -------------- | ------ | |
|
| 34 | +| **宽锯条（≥7 mm）** | ✅ 不易 | |
|
| 35 | +| 窄锯条（曲线用） | ❌ 非常容易 | |
|
| 36 | +| 细齿 24–32 TPI | ✅ | |
|
| 37 | +| 粗齿 | ❌ | |
|
| 38 | + |
|
| 39 | +📌 **结论：** |
|
| 40 | + |
|
| 41 | +> 切直线 = **宽、厚、细齿锯条** |
|
| 42 | + |
|
| 43 | +--- |
|
| 44 | + |
|
| 45 | +## ✅ 三、机器设置（很多人忽略） |
|
| 46 | + |
|
| 47 | +### 🔹 摆动（Orbital） |
|
| 48 | + |
|
| 49 | +* **关掉或最低档（0–1）** |
|
| 50 | +* 摆动越大 → 越容易斜 |
|
| 51 | + |
|
| 52 | +### 🔹 转速 |
|
| 53 | + |
|
| 54 | +* 塑料 / 薄板：**中低速** |
|
| 55 | +* 太快 → 热变形 + 跑线 |
|
| 56 | + |
|
| 57 | +--- |
|
| 58 | + |
|
| 59 | +## ✅ 四、操作手法（避免“Z 字切割”） |
|
| 60 | + |
|
| 61 | +### ❌ 错误动作 |
|
| 62 | + |
|
| 63 | +* 用力推锯 |
|
| 64 | +* 手腕左右修正 |
|
| 65 | +* 中途停顿 |
|
| 66 | + |
|
| 67 | +### ✅ 正确动作 |
|
| 68 | + |
|
| 69 | +* 只控制**方向**，不控制**力量** |
|
| 70 | +* 让锯条自己吃料 |
|
| 71 | +* 保持连续、均匀推进 |
|
| 72 | + |
|
| 73 | +📌 **口诀：** |
|
| 74 | + |
|
| 75 | +> **不推、不拉、不修正，让锯条自己走** |
|
| 76 | + |
|
| 77 | +--- |
|
| 78 | + |
|
| 79 | +## ✅ 五、底板贴合（非常关键） |
|
| 80 | + |
|
| 81 | +* 锯底板必须**全程贴紧材料** |
|
| 82 | +* 不要抬起前端 |
|
| 83 | +* 不要单点接触 |
|
| 84 | + |
|
| 85 | +📌 **否则结果：** |
|
| 86 | + |
|
| 87 | +* 锯条前后倾斜 |
|
| 88 | +* 切口成“V”或“斜面” |
|
| 89 | + |
|
| 90 | +--- |
|
| 91 | + |
|
| 92 | +## ✅ 六、工件固定（比你想的重要） |
|
| 93 | + |
|
| 94 | +* 工件**必须完全夹紧** |
|
| 95 | +* 震动 = 跑偏 |
|
| 96 | +* 悬空部分不要太长 |
|
| 97 | + |
|
| 98 | +--- |
|
| 99 | + |
|
| 100 | +## 🧪 七、进阶技巧（追求更直） |
|
| 101 | + |
|
| 102 | +### 🔹 双板夹切法 |
|
| 103 | + |
|
| 104 | +``` |
|
| 105 | +[直导木板] |
|
| 106 | +============ ← 导轨 |
|
| 107 | +[塑料板] |
|
| 108 | +[废板] |
|
| 109 | +``` |
|
| 110 | + |
|
| 111 | +* 底部加一块废板 |
|
| 112 | +* 锯条受力更稳定 |
|
| 113 | +* 减少翘曲 |
|
| 114 | + |
|
| 115 | +--- |
|
| 116 | + |
|
| 117 | +## 🚫 八、哪些工具更难直？ |
|
| 118 | + |
|
| 119 | +| 工具 | 直线能力 | |
|
| 120 | +| ----- | ---- | |
|
| 121 | +| 电动线锯 | ⭐⭐⭐ | |
|
| 122 | +| 建筑往复锯 | ⭐ | |
|
| 123 | +| 角磨机 | ⭐ | |
|
| 124 | +| 手工线锯 | ⭐⭐ | |
|
| 125 | + |
|
| 126 | +--- |
|
| 127 | + |
|
| 128 | +## 🧾 一句话总结 |
|
| 129 | + |
|
| 130 | +> 🔧 **直线不是靠手稳，而是靠“导轨 + 锯条 + 设置”** |
|
| 131 | + |
|
| 132 | +--- |
|
| 133 | + |
|
| 134 | +如果你愿意告诉我： |
|
| 135 | + |
|
| 136 | +* **材料**（PMMA / PC / PVC / ABS） |
|
| 137 | +* **厚度** |
|
| 138 | +* **线锯型号** |
|
| 139 | + |
|
| 140 | +我可以直接给你一套**具体参数（转速 / 锯条型号 / 摆动档）**，做到一次就直。 |
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fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-table-dat/saw-table-dat.md
| ... | ... | @@ -0,0 +1,131 @@ |
| 1 | +# Table Saw — What a small table saw should NOT cut |
|
| 2 | + |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +cut target |
|
| 6 | + |
|
| 7 | +- [[profile-dat]] - [[sheet-dat]] - [[rod-system-dat]] |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +This guide lists metals and conditions that are unsafe or unsuitable for small table saws. It also gives safer tool alternatives for cutting various metals. |
|
| 13 | + |
|
| 14 | +## 1) Steel family — HIGH RISK (Do NOT cut) |
|
| 15 | + |
|
| 16 | +- Carbon steel |
|
| 17 | +- Alloy steel |
|
| 18 | +- Stainless steel |
|
| 19 | +- Spring steel |
|
| 20 | +- Tool steel |
|
| 21 | + |
|
| 22 | +Why not: |
|
| 23 | + |
|
| 24 | +- Small table saws run at high RPM (typically 4,000–6,000 RPM) with no coolant |
|
| 25 | +- The blade can overheat instantly and suffer tooth breakage |
|
| 26 | +- Severe kickback and dangerous projectiles |
|
| 27 | + |
|
| 28 | +Conclusion: Strictly prohibited |
|
| 29 | + |
|
| 30 | +--- |
|
| 31 | + |
|
| 32 | +## 2) Thick metal (Any material) — NOT SUITABLE / HIGH RISK |
|
| 33 | + |
|
| 34 | +- Aluminum sheet ≥ 3–4 mm |
|
| 35 | +- Copper sheet ≥ 2 mm |
|
| 36 | +- Brass sheet ≥ 2 mm |
|
| 37 | +- Large metal profiles (angle, channel, etc.) |
|
| 38 | + |
|
| 39 | +Why not: |
|
| 40 | + |
|
| 41 | +- Excessive feed resistance |
|
| 42 | +- Small table saws lack torque for heavy cuts |
|
| 43 | +- Blade pinching and flying debris are likely |
|
| 44 | + |
|
| 45 | +Conclusion: Avoid; use appropriate metal-cutting equipment |
|
| 46 | + |
|
| 47 | +--- |
|
| 48 | + |
|
| 49 | +## 3) Hard, brittle metals — DANGEROUS (Do NOT cut) |
|
| 50 | + |
|
| 51 | +- Cast iron |
|
| 52 | +- Zinc alloys / die-cast parts |
|
| 53 | +- Magnesium alloys |
|
| 54 | + |
|
| 55 | +Why not: |
|
| 56 | + |
|
| 57 | +- Parts can shatter or chip |
|
| 58 | +- High-speed fragments pose major risk |
|
| 59 | + |
|
| 60 | +Conclusion: Strictly prohibited |
|
| 61 | + |
|
| 62 | +--- |
|
| 63 | + |
|
| 64 | +## 4) Thin-walled metal tubes and thin metal sheets — VERY DANGEROUS |
|
| 65 | + |
|
| 66 | +- Tubes with wall thickness < 1 mm |
|
| 67 | +- Thin steel/aluminum sheets |
|
| 68 | + |
|
| 69 | +Why not: |
|
| 70 | + |
|
| 71 | +- Teeth can grab and pull thin-walled parts |
|
| 72 | +- Risk of entanglement, winding, and ejection |
|
| 73 | + |
|
| 74 | +Conclusion: Extremely hazardous with a small table saw |
|
| 75 | + |
|
| 76 | +--- |
|
| 77 | + |
|
| 78 | +## May be cut only under strict, controlled conditions |
|
| 79 | + |
|
| 80 | +These are conditional cases where cutting is physically possible but not recommended unless all precautions are met. |
|
| 81 | + |
|
| 82 | +Prerequisites: |
|
| 83 | + |
|
| 84 | +- Use a metal-specific blade (TCT blade for aluminum or a non-ferrous metal blade) |
|
| 85 | +- Secure the workpiece firmly with proper clamps or fixtures |
|
| 86 | +- Use very low feed and controlled cutting parameters |
|
| 87 | +- Operator must be experienced with metal cutting on small machines |
|
| 88 | + |
|
| 89 | +Possible (still not recommended): |
|
| 90 | + |
|
| 91 | +- Non-ferrous thin parts only: |
|
| 92 | + - Aluminum ≤ 2 mm |
|
| 93 | + - Brass ≤ 1.5 mm |
|
| 94 | + - Copper ≤ 1 mm |
|
| 95 | + |
|
| 96 | +Note: "Can be cut" ≠ "should be cut" — safety and tool life remain major concerns. |
|
| 97 | + |
|
| 98 | +--- |
|
| 99 | + |
|
| 100 | +## Recommended tools by metal |
|
| 101 | + |
|
| 102 | +| Metal / Part | Recommended tool | |
|
| 103 | +| ----------------------- | -------------------------------------------------------------- | |
|
| 104 | +| Steel / Stainless | Metal bandsaw / cold-cut saw / angle grinder with cutoff wheel | |
|
| 105 | +| Large aluminum profiles | Cold-cut saw / dedicated sawing machine | |
|
| 106 | +| Thin aluminum sheet | Jigsaw with metal cutting blades or shearing/cold saw | |
|
| 107 | +| Small metal rods / bars | Metal bandsaw / hacksaw (manual) | |
|
| 108 | + |
|
| 109 | +--- |
|
| 110 | + |
|
| 111 | +## Micro-size table saw |
|
| 112 | + |
|
| 113 | + |
|
| 114 | + |
|
| 115 | +Small benchtop saws can be useful for wood, plastics, and light hobby work — not for cutting most metals. |
|
| 116 | + |
|
| 117 | +--- |
|
| 118 | + |
|
| 119 | +## Full-size table saw |
|
| 120 | + |
|
| 121 | + |
|
| 122 | + |
|
| 123 | +Full-size, industrial saws with appropriate blades, guards, and coolant systems may handle some non-ferrous metals safely when used with correct blades and feeding methods. Even then, choose a purpose-built metal-cutting machine whenever possible. |
|
| 124 | + |
|
| 125 | +--- |
|
| 126 | + |
|
| 127 | +## ref |
|
| 128 | + |
|
| 129 | +- [[tools-power-dat]] |
|
| 130 | + |
|
| 131 | +- [[AI]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanical-tools-dat/tools-power-dat/tools-power-dat.md
| ... | ... | @@ -0,0 +1,63 @@ |
| 1 | + |
|
| 2 | +# power-tools-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[grinder-dat]] |
|
| 7 | + |
|
| 8 | +- [[saw-dat]] - [[saw-blade-dat]] |
|
| 9 | + |
|
| 10 | +- [[saw-jig-dat]]] - 线锯 - 曲线锯 - 往复锯 |
|
| 11 | + |
|
| 12 | +- [[Saw-Circular-dat]] - 圆锯 - 台锯 - [[saw-table-dat]] - [[saw-cold-cut-dat]] - [[saw-Metal-band-dat]] |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +- [[rotary-tool-dat]] |
|
| 17 | + |
|
| 18 | +- [[grinder-angle-dat]] |
|
| 19 | + |
|
| 20 | +- [[grinder-angle-dat]] |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +- [[drill-electric-dat]] add a rack as a [[saw-jig-dat]] == not recommanded |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | +## power tools |
|
| 30 | + |
|
| 31 | +- [[saw-dat]] - [[Rotary-Tool-dat]] - [[saw-blade-dat]] |
|
| 32 | + |
|
| 33 | +- [[mechanical-tools]] |
|
| 34 | + |
|
| 35 | +- 电热刀 |
|
| 36 | + |
|
| 37 | +- 车床：lathe |
|
| 38 | + |
|
| 39 | +- 弓臂锯床：power hacksaw（也可说 hacksaw machine） |
|
| 40 | + |
|
| 41 | +- 磨床：grinding machine / grinder |
|
| 42 | + |
|
| 43 | +- 钻床：drilling machine / drill press |
|
| 44 | + |
|
| 45 | +- [[drill-electric-dat]] |
|
| 46 | + |
|
| 47 | + |
|
| 48 | + |
|
| 49 | + |
|
| 50 | + |
|
| 51 | + |
|
| 52 | + |
|
| 53 | +## target |
|
| 54 | + |
|
| 55 | +- [[profile-dat]] - [[sheet-dat]] - [[rod-system-dat]] |
|
| 56 | + |
|
| 57 | + |
|
| 58 | + |
|
| 59 | +## ref |
|
| 60 | + |
|
| 61 | +- [[power-tools]] - [[mechanical-tools]] - [[mechanics]] |
|
| 62 | + |
|
| 63 | +- [[tools]] - [[power-tools]] |
|
| ... | ... | \ No newline at end of file |
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| ... | ... | @@ -0,0 +1,19 @@ |
| 1 | + |
|
| 2 | +# tools-power-socket-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## hex |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +- [[hex-key-dat]] - [[tools-power-socket-dat]] |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | +50MM*H1.5 - 50MM*H2 - 50MM*H2.5 - 50MM*H3 - 50MM*H4 - 50MM*H5 - 50MM*H6 - 50MM*H8 - 50MM*H10 - 50MM*H12 - 65MM*H1.5 - 65MM*H2 - 65MM*H2.5 - 65MM*H3 - 65MM*H4 - 65MM*H5 - 65MM*H6 - 65MM*H8 - 65MM*H10 - 65MM*H12 - 100MM*H2.5 - 100MM*H3 - 100MM*H4 - 100MM*H5 - 100MM*H6 - 100MM*H8 - 100MM*H10 - 100MM*H12 - 150MM*H3 - 150MM*H4 - 150MM*H5 - 150MM*H6 - 150MM*H8 - 150MM*H10 |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
fab-mechanics-dat/mechanical-tools-dat/tools-protective-dat/protective-glass-dat/protective-glass-dat.md
| ... | ... | @@ -0,0 +1,32 @@ |
| 1 | + |
|
| 2 | +# protective-glass-dat |
|
| 3 | + |
|
| 4 | +Protective glasses should be **impact-resistant, lightweight, optically clear**, and sometimes **chemical or scratch-resistant** depending on the usage environment. |
|
| 5 | + |
|
| 6 | +--- |
|
| 7 | + |
|
| 8 | +## 🥇 1. Polycarbonate |
|
| 9 | +- **Most common material** for safety glasses. |
|
| 10 | +- **Advantages:** |
|
| 11 | + - Extremely **impact-resistant** (up to 10x stronger than glass or standard plastic) |
|
| 12 | + - Lightweight and comfortable for extended wear |
|
| 13 | + - Naturally blocks **100% UV rays** |
|
| 14 | +- **Disadvantages:** |
|
| 15 | + - More prone to **scratching** (usually comes with an anti-scratch coating) |
|
| 16 | + |
|
| 17 | +--- |
|
| 18 | + |
|
| 19 | +## 🥈 2. Trivex |
|
| 20 | +- A newer alternative to polycarbonate with improved clarity. |
|
| 21 | +- **Advantages:** |
|
| 22 | + - High **impact resistance** |
|
| 23 | + - Superior **optical clarity** |
|
| 24 | + - Lightweight and provides UV protection |
|
| 25 | +- **Disadvantages:** |
|
| 26 | + - **More expensive** than polycarbonate |
|
| 27 | + |
|
| 28 | +- [[Trivex-dat]] |
|
| 29 | + |
|
| 30 | +## ref |
|
| 31 | + |
|
| 32 | +- [[mechanic-tools-dat]] |
|
| ... | ... | \ No newline at end of file |
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| ... | ... | @@ -0,0 +1,3 @@ |
| 1 | + |
|
| 2 | +# tools-protective-dat |
|
| 3 | + |
fab-mechanics-dat/mechanism-dat/Gantry-System-dat/Gantry-System-dat.md
| ... | ... | @@ -0,0 +1,5 @@ |
| 1 | + |
|
| 2 | +# Gantry-System-dat |
|
| 3 | + |
|
| 4 | +- 龙门架构 |
|
| 5 | + |
fab-mechanics-dat/mechanism-dat/arm-level-dat/2025-12-06-14-04-38.png
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| ... | ... | @@ -0,0 +1,7 @@ |
| 1 | + |
|
| 2 | +# arm-level-dat |
|
| 3 | + |
|
| 4 | +- In RC models, robotics, or mechanical assemblies, a **摇臂** can refer to any **pivoting link** that transmits motion. |
|
| 5 | +- Key characteristics: pivot point, arm length, and connection points for input/output motion. |
|
| 6 | + |
|
| 7 | + |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanism-dat/chassis-dat/chassis-dat.md
| ... | ... | @@ -0,0 +1,10 @@ |
| 1 | + |
|
| 2 | +# chassis-dat.md |
|
| 3 | + |
|
| 4 | +- [[sheet-dat]] - [[cad-dat]] |
|
| 5 | + |
|
| 6 | +- [[suspension-dat]] - [[suspension]] |
|
| 7 | + |
|
| 8 | +- [[wheel-dat]] |
|
| 9 | + |
|
| 10 | +- [[motor-dat]] - [[motor-driver-dat]] |
|
| ... | ... | \ No newline at end of file |
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| ... | ... | @@ -0,0 +1,30 @@ |
| 1 | + |
|
| 2 | +# suspension-dat |
|
| 3 | + |
|
| 4 | +- [[bogie-dat]] |
|
| 5 | + |
|
| 6 | +## stroller classic suspension |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +## suspension with break |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +## suspension with rotation support |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | +## rotating system |
|
| 29 | + |
|
| 30 | + |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanism-dat/damping-dat/damping-dat.md
| ... | ... | @@ -0,0 +1,4 @@ |
| 1 | + |
|
| 2 | +# damping-dat |
|
| 3 | + |
|
| 4 | +- [[damper-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanism-dat/mechanism-dat.md
| ... | ... | @@ -0,0 +1,68 @@ |
| 1 | + |
|
| 2 | +# mechanism-dat |
|
| 3 | + |
|
| 4 | +- level |
|
| 5 | + |
|
| 6 | +- [[trigger-dat]] |
|
| 7 | + |
|
| 8 | +- spring |
|
| 9 | + |
|
| 10 | +- [[gearbox-dat]] |
|
| 11 | + |
|
| 12 | +- [[pump-dat]] - [[fitting-dat]] |
|
| 13 | + |
|
| 14 | +- [[reciprocating-dat]] |
|
| 15 | + |
|
| 16 | +- [[chassis-dat]] |
|
| 17 | + |
|
| 18 | +- [[gear-worm-dat]] |
|
| 19 | + |
|
| 20 | + |
|
| 21 | +## structure |
|
| 22 | + |
|
| 23 | +- [[gantry-system-dat]] - [[x-y-dat]] |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | +## differential |
|
| 29 | + |
|
| 30 | +A **differential** is an essential device in a vehicle’s drivetrain, usually located in the drive axle. |
|
| 31 | + |
|
| 32 | +## Main Functions |
|
| 33 | +1. **Allow different wheel speeds** |
|
| 34 | + - When driving straight, both wheels rotate at the same speed. |
|
| 35 | + - When turning, the outside wheel must travel farther, so it rotates faster. |
|
| 36 | + - The differential lets wheels rotate at different speeds while still receiving power. |
|
| 37 | + |
|
| 38 | +2. **Torque distribution** |
|
| 39 | + - Splits engine torque and delivers it to both wheels. |
|
| 40 | + |
|
| 41 | +3. **Improved handling and stability** |
|
| 42 | + - Without a differential, turning would be difficult and could cause tire wear or drivetrain damage. |
|
| 43 | + |
|
| 44 | +## Common Types |
|
| 45 | +- **Open Differential** |
|
| 46 | + - Simple, common type. |
|
| 47 | + - Loses traction if one wheel slips. |
|
| 48 | + |
|
| 49 | +- **Limited Slip Differential (LSD)** |
|
| 50 | + - Restricts excessive wheel speed difference. |
|
| 51 | + - Improves traction on slippery surfaces. |
|
| 52 | + |
|
| 53 | +- **Locking Differential** |
|
| 54 | + - Forces both wheels to rotate at the same speed. |
|
| 55 | + - Useful in off-road conditions. |
|
| 56 | + |
|
| 57 | +- **Active Differential** |
|
| 58 | + - Electronically controlled. |
|
| 59 | + - Adjusts torque distribution dynamically based on driving conditions. |
|
| 60 | + |
|
| 61 | + |
|
| 62 | + |
|
| 63 | +## ref |
|
| 64 | + |
|
| 65 | + |
|
| 66 | +https://www.notesandsketches.co.uk/Mechanisms_module.html |
|
| 67 | + |
|
| 68 | +- [[mechanism]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanism-dat/reciprocating-dat/reciprocating-dat.md
| ... | ... | @@ -0,0 +1,8 @@ |
| 1 | + |
|
| 2 | +# reciprocating-dat |
|
| 3 | + |
|
| 4 | +https://www.youtube.com/shorts/1jWBYKbGFV4 |
|
| 5 | + |
|
| 6 | +## ref |
|
| 7 | + |
|
| 8 | +- [[mechanism-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mechanism-dat/trigger-dat/trigger-dat.md
| ... | ... | @@ -0,0 +1,6 @@ |
| 1 | + |
|
| 2 | +# trigger-dat |
|
| 3 | + |
|
| 4 | +## ref |
|
| 5 | + |
|
| 6 | +- [[trigger]] - [[mechanism]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/mechanism-dat/x-y-dat/x-y-dat.md
| ... | ... | @@ -0,0 +1,36 @@ |
| 1 | + |
|
| 2 | +# x-y-dat |
|
| 3 | + |
|
| 4 | +## classic x-y structure |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +## Cantilever |
|
| 12 | + |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | + |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | + |
|
| 33 | + |
|
| 34 | +## ref |
|
| 35 | + |
|
| 36 | +- 十字滑台 / 龙门 / 直线滑台 / 丝杆 |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/mounting-dat/mounting-dat.md
| ... | ... | @@ -0,0 +1,20 @@ |
| 1 | + |
|
| 2 | +# mounting-dat |
|
| 3 | + |
|
| 4 | +- [[glue-dat]] |
|
| 5 | + |
|
| 6 | +- often remove options - [[velcro-dat]] - velcro-strap |
|
| 7 | + |
|
| 8 | +- tube connection - [[zip-tie-dat]] == strap |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +## other Connection |
|
| 12 | + |
|
| 13 | +Coarse Planar |
|
| 14 | + |
|
| 15 | +- [[screw-dat]] |
|
| 16 | + |
|
| 17 | +- Clamp Mount / Jaw Mount |
|
| 18 | + |
|
| 19 | +- Bungee Cord Mount |
|
| 20 | + |
fab-mechanics-dat/physics-dat/Center-of-Gravity-dat/Center-of-Gravity-dat.md
| ... | ... | @@ -0,0 +1,28 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# Center-of-Gravity-dat |
|
| 4 | + |
|
| 5 | +- [[30-dual-foot]] - [[tube-dat]] |
|
| 6 | + |
|
| 7 | +## Flip-Overs |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +boil down to the relationship between the Center of Gravity (CoG) and the Wheelbase. If your rover is flipping backward while climbing, it means its CoG has moved outside the footprint of its wheels. |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +### 1. Lower the Center of Gravity (CoG) |
|
| 14 | +The higher your components are, the easier it is for the "tipping point" to be reached. |
|
| 15 | +* **The Fix:** Move the heaviest parts—specifically the **batteries** and **motors**—as close to the ground as possible. |
|
| 16 | +* **Pro Tip:** If your chassis has a "basement" level or underslung mount, put the batteries there. |
|
| 17 | + |
|
| 18 | + |
|
| 19 | + |
|
| 20 | +### 2. Forward Weight Bias |
|
| 21 | +On a flat surface, 50/50 weight distribution is fine. On a climb, weight shifts to the rear. |
|
| 22 | +* **The Fix:** Move your battery pack or heavy electronics toward the **front** of the rover. |
|
| 23 | +* **The Goal:** You want the front wheels to have enough downward pressure to stay glued to the slope. If the front lifts even 1cm, the torque from the motors will do the rest of the work to flip it over. |
|
| 24 | + |
|
| 25 | +### 3. Mechanical "Wheelie Bar" |
|
| 26 | +If your rover’s dimensions are fixed and you can't move internal parts, add a physical safety. |
|
| 27 | +* **The Fix:** Extend two rods or a frame out the back of the rover, just a few millimeters above the ground. |
|
| 28 | +* **Why it works:** If the front wheels lift, the "tail" hits the ground immediately, acting as a secondary support point and stopping the rotation before it reaches the "point of no return." |
fab-mechanics-dat/physics-dat/RPM-dat/RPM-dat.md
| ... | ... | @@ -0,0 +1,4 @@ |
| 1 | + |
|
| 2 | +# RPM-dat |
|
| 3 | + |
|
| 4 | + |
fab-mechanics-dat/physics-dat/Resonance-Schumann-dat/Resonance-Schumann-dat.md
| ... | ... | @@ -0,0 +1,48 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# Resonance-Schumann-dat |
|
| 4 | + |
|
| 5 | +# Schumann Resonance Generator |
|
| 6 | + |
|
| 7 | +A **Schumann Resonance Generator** is an electronic device designed to emit an extremely low frequency (ELF) electromagnetic wave, specifically mimicking the Earth's natural resonance frequency. |
|
| 8 | + |
|
| 9 | +--- |
|
| 10 | + |
|
| 11 | +### 1. What is the Schumann Resonance? |
|
| 12 | +The Schumann Resonance is a set of spectrum peaks in the extremely low frequency portion of the Earth's electromagnetic field. It was mathematically predicted by physicist Winfried Otto Schumann in 1952. |
|
| 13 | + |
|
| 14 | +* **The Mechanism:** The space between the Earth's surface and the conductive ionosphere acts as a closed waveguide. Lightning discharges within this "cavity" excite electromagnetic waves. |
|
| 15 | +* **The Fundamental Frequency:** The primary resonance frequency is **7.83 Hz**. |
|
| 16 | +* **The Nickname:** It is often referred to as the "Heartbeat of the Earth." |
|
| 17 | + |
|
| 18 | +--- |
|
| 19 | + |
|
| 20 | +### 2. How the Generator Works |
|
| 21 | +A Schumann Resonance Generator typically consists of a high-precision frequency oscillator and an induction coil. It does not produce sound; instead, it generates a weak electromagnetic field pulsed at exactly **7.83 Hz**. |
|
| 22 | + |
|
| 23 | +The goal is to provide a "natural" background frequency in modern environments that are otherwise saturated with high-frequency interference (EMI/RFI) from Wi-Fi, cell phones, and household appliances. |
|
| 24 | + |
|
| 25 | +--- |
|
| 26 | + |
|
| 27 | +### 3. Common Uses and Claimed Benefits |
|
| 28 | +While scientific consensus on its direct biological impact is still a subject of debate, these devices are popular in several niche communities: |
|
| 29 | + |
|
| 30 | +* **Audiophiles (HIFI Systems):** Many enthusiasts use them in listening rooms. They claim it "purifies" the environment, leading to better soundstage separation, more transparent highs, and a more "cohesive" musical experience. |
|
| 31 | +* **Sleep and Relaxation:** Since 7.83 Hz is close to the human brain's **$\alpha$ (alpha)** and **$\theta$ (theta)** wave states, it is used to help people relax, reduce stress, and improve sleep quality. |
|
| 32 | +* **Meditation and Focus:** Practitioners use it to create a stable environment for deep contemplation or creative work. |
|
| 33 | +* **Visual Enhancement:** Some users claim it reduces eye strain and makes colors appear more vivid on high-end displays. |
|
| 34 | + |
|
| 35 | +--- |
|
| 36 | + |
|
| 37 | +### 4. Scientific and Rational Perspective |
|
| 38 | +* **Physical Strength:** The electromagnetic field produced by these consumer devices is extremely weak, often much lower than the ambient "noise" from the power grid. |
|
| 39 | +* **Psychological Aspect:** Some critics attribute the perceived benefits to the **placebo effect** or a calming psychological ritual. |
|
| 40 | +* **Regulation:** These are generally considered "lifestyle" or "wellness" gadgets rather than medical devices. |
|
| 41 | + |
|
| 42 | +--- |
|
| 43 | + |
|
| 44 | + |
|
| 45 | + |
|
| 46 | +## ref |
|
| 47 | + |
|
| 48 | +- [[physics-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/physics-dat/Thrust-dat/Thrust-dat.md
| ... | ... | @@ -0,0 +1,48 @@ |
| 1 | + |
|
| 2 | +# Thrust-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +## calculate |
|
| 7 | + |
|
| 8 | +A bit of math: |
|
| 9 | + |
|
| 10 | +Mobula motors + props making around 90-100g of thrust at 50% |
|
| 11 | + |
|
| 12 | +Mobula8 weight around 110g with battery 550 mah An ok-ish ratio of thrust to weight is 4:1 |
|
| 13 | + |
|
| 14 | +Thrust/(camweight+drone weight) |
|
| 15 | + |
|
| 16 | +400 / (16+110)= 3.17... |
|
| 17 | + |
|
| 18 | +Hence to have a proper flight you'll have to be above 50% throttle most of the time. |
|
| 19 | + |
|
| 20 | +It might fly pretty stable with proper PID tuning and filtering but your batteries will burn (maybe even literally) |
|
| 21 | + |
|
| 22 | +https://www.reddit.com/r/TinyWhoop/comments/1cw9xm4/mobula_8thumb_pro_any_tricks_for_decent_cinematic/ |
|
| 23 | + |
|
| 24 | + |
|
| 25 | +## info |
|
| 26 | + |
|
| 27 | +**Thrust** is the **force that moves an aircraft, rocket, or vehicle forward**. |
|
| 28 | +It is usually generated by: |
|
| 29 | + |
|
| 30 | +- **Engines** (jet, turboprop, rocket) |
|
| 31 | +- **Propellers** |
|
| 32 | +- **Ducted fans** |
|
| 33 | + |
|
| 34 | +Thrust **opposes drag** and allows the vehicle to accelerate or maintain speed. |
|
| 35 | + |
|
| 36 | +--- |
|
| 37 | + |
|
| 38 | +## Related Terms |
|
| 39 | + |
|
| 40 | +| Term | English | Notes | |
|
| 41 | +|------|--------|-------| |
|
| 42 | +| 推力方向 | **thrust vector** | Direction of the thrust force | |
|
| 43 | +| 最大推力 | **maximum thrust** | Highest thrust the engine can produce | |
|
| 44 | +| 净推力 | **net thrust** | Total thrust minus drag or losses | |
|
| 45 | +| 推重比 | **thrust-to-weight ratio (T/W)** | Engine thrust compared to aircraft weight | |
|
| 46 | + |
|
| 47 | + |
|
| 48 | + |
fab-mechanics-dat/physics-dat/aerodynamic-dat/aerodynamic-dat.md
| ... | ... | @@ -0,0 +1,3 @@ |
| 1 | + |
|
| 2 | +# aerodynamic-dat |
|
| 3 | + |
fab-mechanics-dat/physics-dat/aerodynamic-dat/wing-dat/2025-12-05-02-16-43.png
| ... | ... | Binary files /dev/null and b/fab-mechanics-dat/physics-dat/aerodynamic-dat/wing-dat/2025-12-05-02-16-43.png differ |
fab-mechanics-dat/physics-dat/aerodynamic-dat/wing-dat/wing-dat.md
| ... | ... | @@ -0,0 +1,9 @@ |
| 1 | + |
|
| 2 | +# wing-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +## ref |
|
| 8 | + |
|
| 9 | +- [[aerodynamic-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/physics-dat/duct-dat/duct-dat.md
| ... | ... | @@ -0,0 +1,61 @@ |
| 1 | + |
|
| 2 | +# duct-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[Thrust-dat]] |
|
| 7 | + |
|
| 8 | +A **duct** is a tube or channel designed to **guide airflow** from one point to another. |
|
| 9 | + |
|
| 10 | +- In aviation or RC models, ducts are often **cylindrical or annular structures** around a fan or propeller. |
|
| 11 | +- The duct **reduces airflow loss**, **improves thrust efficiency**, and can also **protect the blades**. |
|
| 12 | + |
|
| 13 | +**Example uses:** |
|
| 14 | +- Ducted fan engines on jets or VTOL aircraft |
|
| 15 | +- Air conditioning vents (same principle) |
|
| 16 | +- Marine thrusters |
|
| 17 | + |
|
| 18 | +--- |
|
| 19 | + |
|
| 20 | +## 2. What is a Ducted Fan (涵道风扇)? |
|
| 21 | + |
|
| 22 | +A **ducted fan** is a **propeller or fan enclosed in a duct**. |
|
| 23 | +It is a common propulsion method in: |
|
| 24 | + |
|
| 25 | +- RC jets |
|
| 26 | +- VTOL drones |
|
| 27 | +- Small electric aircraft |
|
| 28 | + |
|
| 29 | +### How it works: |
|
| 30 | + |
|
| 31 | +1. Fan or propeller spins inside the duct. |
|
| 32 | +2. The duct **accelerates the airflow** and **reduces tip losses**. |
|
| 33 | +3. The result is **more thrust per rotation** than an open propeller of the same diameter. |
|
| 34 | + |
|
| 35 | +--- |
|
| 36 | + |
|
| 37 | +## 3. Advantages of Ducted Fans |
|
| 38 | + |
|
| 39 | +| Advantage | Explanation | |
|
| 40 | +|-----------|-------------| |
|
| 41 | +| Higher efficiency | Duct reduces tip vortices and wasted airflow | |
|
| 42 | +| Safer | Blades are enclosed, reducing risk of injury | |
|
| 43 | +| Quieter | Noise is reduced compared to open propellers | |
|
| 44 | +| Compact design | Fits better in jets or VTOL aircraft with small airframe | |
|
| 45 | + |
|
| 46 | +--- |
|
| 47 | + |
|
| 48 | +## 4. Common Applications |
|
| 49 | + |
|
| 50 | +- **RC Jet aircraft** (EDF – Electric Ducted Fan) |
|
| 51 | +- **VTOL drones** (quadcopter with ducted fans) |
|
| 52 | +- **Hovercraft propulsion** |
|
| 53 | +- **Experimental aircraft** using ducted lift or thrust |
|
| 54 | + |
|
| 55 | +--- |
|
| 56 | + |
|
| 57 | +### Notes: |
|
| 58 | + |
|
| 59 | +- Ducted fans are different from **propellers** because the **duct improves airflow efficiency** and often increases thrust at high speeds. |
|
| 60 | +- Duct shape, fan diameter, and tip clearance are critical for performance. |
|
| 61 | + |
fab-mechanics-dat/physics-dat/environment-dat/2025-12-11-17-06-33.png
| ... | ... | Binary files /dev/null and b/fab-mechanics-dat/physics-dat/environment-dat/2025-12-11-17-06-33.png differ |
fab-mechanics-dat/physics-dat/environment-dat/environment-dat.md
| ... | ... | @@ -0,0 +1,13 @@ |
| 1 | + |
|
| 2 | +# environment-dat |
|
| 3 | + |
|
| 4 | +windy == https://www.windy.com/?22.651,114.175,9,m:egUajmq |
|
| 5 | + |
|
| 6 | + |
|
| 7 | +attitude selection |
|
| 8 | + |
|
| 9 | + |
|
| 10 | + |
|
| 11 | + |
|
| 12 | + |
|
| 13 | +- [[rc-apps-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/physics-dat/force-dat/force-dat.md
| ... | ... | @@ -0,0 +1,58 @@ |
| 1 | + |
|
| 2 | +# force-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +| kgf·cm | N·m (approx) | |
|
| 6 | +|---------|--------------| |
|
| 7 | +| 1 | 0.0981 | |
|
| 8 | +| 2 | 0.1962 | |
|
| 9 | +| 3 | 0.2943 | |
|
| 10 | +| 4 | 0.3924 | |
|
| 11 | +| 5 | 0.4905 | |
|
| 12 | +| 6 | 0.5886 | |
|
| 13 | +| 7 | 0.6867 | |
|
| 14 | +| 8 | 0.7848 | |
|
| 15 | +| 9 | 0.8829 | |
|
| 16 | +| 10 | 0.981 | |
|
| 17 | +| 15 | 1.4715 | |
|
| 18 | +| 20 | 1.962 | |
|
| 19 | +| 25 | 2.4525 | |
|
| 20 | +| 30 | 2.943 | |
|
| 21 | +| 50 | 4.905 | |
|
| 22 | +| 100 | 9.81 | |
|
| 23 | + |
|
| 24 | +> Formula: **N·m = kgf·cm × 0.09807** |
|
| 25 | + |
|
| 26 | +## Torque to Lift a 10 kg Bottle by Hand |
|
| 27 | + |
|
| 28 | +### Given: |
|
| 29 | +- Mass of bottle: 10 kg |
|
| 30 | +- Gravity: 9.8 m/s² |
|
| 31 | +- Force needed: F = m × g = 10 × 9.8 = 98 N |
|
| 32 | +- Lever arm (distance from shoulder joint to hand): r = 0.3 m |
|
| 33 | + |
|
| 34 | +### Torque Formula: |
|
| 35 | + |
|
| 36 | + T = F * r |
|
| 37 | + |
|
| 38 | + |
|
| 39 | +### Calculation: |
|
| 40 | + |
|
| 41 | + T = 98 \, N * 0.3 \, m = 29.4 \, N·m |
|
| 42 | + |
|
| 43 | + |
|
| 44 | +### Result: |
|
| 45 | + |
|
| 46 | +- Torque required: **≈ 29.4 N·m** |
|
| 47 | + |
|
| 48 | +### Note: |
|
| 49 | + |
|
| 50 | +For a longer lever arm (e.g., 0.5 m): |
|
| 51 | + |
|
| 52 | + T = 98 * 0.5 = 49 N·m |
|
| 53 | + |
|
| 54 | +- Torque depends on the pivot point; if lifting straight up without rotation, torque is less relevant. |
|
| 55 | + |
|
| 56 | +## ref |
|
| 57 | + |
|
| 58 | +- [[physics-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/physics-dat/inch-dat/inch-dat.md
| ... | ... | @@ -0,0 +1,6 @@ |
| 1 | + |
|
| 2 | +# inch-dat |
|
| 3 | + |
|
| 4 | +8 inch == 8 x 25.4 == 203.2 mm |
|
| 5 | + |
|
| 6 | + |
fab-mechanics-dat/physics-dat/magnetic-dat/magnetic-dat.md
| ... | ... | @@ -0,0 +1,37 @@ |
| 1 | + |
|
| 2 | +# magnetic-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +- [[motor-dat]] - [[metal-dat]] |
|
| 6 | + |
|
| 7 | + |
|
| 8 | +### 1. Primary Ferromagnetic Elements |
|
| 9 | +In their pure form at room temperature, only a few elements are strongly attracted to magnets: |
|
| 10 | +* **Iron (Fe):** The most common magnetic metal found in daily life. |
|
| 11 | +* **Nickel (Ni):** Often used in coins and plating; it is magnetic but weaker than iron. |
|
| 12 | +* **Cobalt (Co):** Highly magnetic and maintains its properties at high temperatures. |
|
| 13 | +* **Gadolinium (Gd):** Becomes strongly ferromagnetic at temperatures below 20°C (68°F). |
|
| 14 | + |
|
| 15 | +### 2. Common Magnetic Alloys |
|
| 16 | +Most magnetic objects we use are mixtures of different elements: |
|
| 17 | +* **Steel:** Since steel is primarily iron, most types (like carbon steel) are magnetic. |
|
| 18 | +* **Stainless Steel (Some):** |
|
| 19 | + * **Ferritic & Martensitic (e.g., 430, 410):** These **are** magnetic. |
|
| 20 | + * **Austenitic (e.g., 304, 316):** These are usually **not** magnetic due to their crystal structure. |
|
| 21 | +* **Neodymium Magnets:** A powerful alloy of Neodymium, Iron, and Boron (NdFeB). |
|
| 22 | + |
|
| 23 | +### 3. Non-Magnetic Metals (Paramagnetic & Diamagnetic) |
|
| 24 | +The following metals are **not** attracted to household magnets: |
|
| 25 | +* **Aluminum** |
|
| 26 | +* **Copper** |
|
| 27 | +* **Gold** |
|
| 28 | +* **Silver** |
|
| 29 | +* **Lead** |
|
| 30 | +* **Titanium** |
|
| 31 | +* **Brass & Bronze** (unless they contain significant iron impurities) |
|
| 32 | +* |
|
| 33 | + |
|
| 34 | + |
|
| 35 | + |
|
| 36 | +## ref |
|
| 37 | + |
fab-mechanics-dat/physics-dat/optical-dat/optical-dat.md
| ... | ... | @@ -0,0 +1,11 @@ |
| 1 | + |
|
| 2 | +# optical-dat |
|
| 3 | + |
|
| 4 | +- [[optical-design-dat]] |
|
| 5 | + |
|
| 6 | +- [[infrared-dat]] |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## ref |
|
| 10 | + |
|
| 11 | +- [[physics-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/physics-dat/optical-dat/optical-design-dat/optical-design-dat.md
| ... | ... | @@ -0,0 +1,68 @@ |
| 1 | + |
|
| 2 | +# optical-design-dat |
|
| 3 | + |
|
| 4 | +- [[microscope-dat]] - [[Periscope-dat]] |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## filling materials |
|
| 10 | + |
|
| 11 | +### Refractive Index Comparison: Air vs. Optical Materials |
|
| 12 | + |
|
| 13 | +Yes, a refractive index of **1.5** is significantly higher than air: |
|
| 14 | + |
|
| 15 | +- **Air**: n ≈ 1.0003 (~1.0 for practical purposes) |
|
| 16 | +- **PMMA (Acrylic)**: n ≈ 1.49 |
|
| 17 | +- **Polycarbonate (PC)**: n ≈ 1.58 |
|
| 18 | +- **Glass (BK7)**: n ≈ 1.51 |
|
| 19 | + |
|
| 20 | + |
|
| 21 | +### 1. Typical Values |
|
| 22 | + |
|
| 23 | +| Type / Grade | Refractive Index (n) | Notes | |
|
| 24 | +|-------------|--------------------|------| |
|
| 25 | +| Light mineral oil (cosmetic grade) | 1.467–1.470 | Common in electronics and lubrication | |
|
| 26 | +| Standard mineral oil (industrial) | 1.468–1.474 | Used in transformers, immersion cooling | |
|
| 27 | +| Heavy mineral oil | 1.474–1.480 | Higher density, more viscous | |
|
| 28 | +| Food-grade mineral oil | 1.467–1.470 | Safe for contact with materials like plastics | |
|
| 29 | + |
|
| 30 | + |
|
| 31 | + |
|
| 32 | +### 1. Typical Refractive Indices of Common Liquids |
|
| 33 | + |
|
| 34 | +| Fluid | Refractive Index (n) | Notes | |
|
| 35 | +|-------|--------------------|------| |
|
| 36 | +| Water | 1.333 | Standard, much higher than air | |
|
| 37 | +| Mineral oil | 1.467–1.480 | Common dielectric oil | |
|
| 38 | +| Ethanol | 1.361 | Transparent alcohol | |
|
| 39 | +| Glycerin | 1.473 | Thick, high n | |
|
| 40 | +| Fluorinated liquids (like FC-72, perfluorocarbons) | 1.25–1.28 | Lowest practical liquids, still far from air | |
|
| 41 | +| Liquid helium (near 4K) | 1.026 | Lowest natural fluid n, cryogenic | |
|
| 42 | +| Liquid hydrogen | 1.121 | Low n, cryogenic, dangerous | |
|
| 43 | + |
|
| 44 | +--- |
|
| 45 | + |
|
| 46 | +### 2. Notes |
|
| 47 | + |
|
| 48 | +- **Most fluids have n > 1.2**, which is **20% or more higher than air**. |
|
| 49 | + |
|
| 50 | + |
|
| 51 | +## Compensating Optical Changes by Adjusting Lens Position |
|
| 52 | + |
|
| 53 | +Yes, you **can compensate for the optical changes** caused by filling a lens assembly with oil or another medium by **adjusting the lens position relative to the sensor**. |
|
| 54 | + |
|
| 55 | +--- |
|
| 56 | + |
|
| 57 | +### 1. Why It Works |
|
| 58 | + |
|
| 59 | +- Replacing air (n ≈ 1.0) with oil or solid (n ≈ 1.45–1.5) **increases the optical path length** between lens elements. |
|
| 60 | +- This shifts the **focus plane** forward or backward. |
|
| 61 | +- Moving the lens closer or farther from the sensor can **restore focus** on the image plane. |
|
| 62 | + |
|
| 63 | + |
|
| 64 | + |
|
| 65 | + |
|
| 66 | +## ref |
|
| 67 | + |
|
| 68 | +- [[physics-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/physics-dat/physics-dat.md
| ... | ... | @@ -0,0 +1,20 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# physics-dat |
|
| 4 | + |
|
| 5 | +- [[force-dat]] - [[size-dat]] |
|
| 6 | + |
|
| 7 | +- [[duct-dat]] - [[thrust-dat]] |
|
| 8 | + |
|
| 9 | +- [[wing-dat]] - [[aerodynamic-dat]] |
|
| 10 | + |
|
| 11 | +- [[optical-design-dat]] |
|
| 12 | + |
|
| 13 | +- [[torque-dat]] - [[RPM-dat]] |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +## research |
|
| 19 | + |
|
| 20 | +- [[Resonance-Schumann-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/physics-dat/pressure-dat/pressure-dat.md
| ... | ... | @@ -0,0 +1,97 @@ |
| 1 | + |
|
| 2 | + |
|
| 3 | +# pressure-dat |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +- [[pressure-design-dat]] |
|
| 7 | + |
|
| 8 | +- [[waterproof-dat]] |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +- [[PMMA-dat]] - [[oil-soaking-dat]] |
|
| 12 | + |
|
| 13 | +- [[Elastic-chamber-dat]] |
|
| 14 | + |
|
| 15 | +## ✔ What Are PN16 and PN10? |
|
| 16 | + |
|
| 17 | +PN = Pressure Nominal |
|
| 18 | + |
|
| 19 | +It indicates the maximum working pressure a pipe or fitting can handle at 20°C. |
|
| 20 | + |
|
| 21 | +PN10 → Rated for 10 bar pressure (≈ 1.0 MPa) |
|
| 22 | + |
|
| 23 | +PN16 → Rated for 16 bar pressure (≈ 1.6 MPa) |
|
| 24 | + |
|
| 25 | +1 bar ≈ atmospheric pressure at sea level. |
|
| 26 | + |
|
| 27 | +### ✔ Meaning in Practical Use |
|
| 28 | + |
|
| 29 | +Rating Max Pressure Typical Use |
|
| 30 | +PN10 10 bar Low–medium pressure water, irrigation, drainage |
|
| 31 | +PN16 16 bar Higher pressure water systems, pumps, industrial use |
|
| 32 | + |
|
| 33 | +### ✔ PN Rating Applies To: |
|
| 34 | + |
|
| 35 | +- PVC pipes |
|
| 36 | +- PPR pipes |
|
| 37 | +- HDPE pipes |
|
| 38 | +- Metal fittings |
|
| 39 | +- Valves and connectors |
|
| 40 | + |
|
| 41 | + |
|
| 42 | +## math |
|
| 43 | + |
|
| 44 | +### 1. Pressure at 10 m depth (clear numbers) |
|
| 45 | + |
|
| 46 | +Water density: 1000 kg/m³ |
|
| 47 | +Gravity: 9.81 m/s² |
|
| 48 | +Depth: 10 m |
|
| 49 | + |
|
| 50 | +**Gauge pressure** |
|
| 51 | +p = ρ × g × h |
|
| 52 | +p = 1000 × 9.81 × 10 |
|
| 53 | +p = **98,100 Pa** (≈ 0.981 bar) |
|
| 54 | + |
|
| 55 | +**Absolute pressure** |
|
| 56 | +p_abs = 98,100 + 101,325 = **199,425 Pa** |
|
| 57 | +≈ **2.0 bar absolute** (≈ 2 atmospheres) |
|
| 58 | + |
|
| 59 | +--- |
|
| 60 | + |
|
| 61 | +### 2. Force example on a small area |
|
| 62 | +Area: 10 cm × 10 cm = 0.01 m² |
|
| 63 | +Force = pressure × area |
|
| 64 | += 98,100 Pa × 0.01 m² |
|
| 65 | += **981 N** ≈ **100 kgf** |
|
| 66 | + |
|
| 67 | +So every 10×10 cm patch is like having **100 kg of weight** pushing inward on it. |
|
| 68 | + |
|
| 69 | + |
|
| 70 | +## info |
|
| 71 | + |
|
| 72 | +❌ 浮法（退火）玻璃是脆性材料 |
|
| 73 | + |
|
| 74 | +任何小划痕、边缘瑕疵、粘接处，都会极大降低强度。 |
|
| 75 | + |
|
| 76 | +❌ 平板承压最危险 |
|
| 77 | + |
|
| 78 | +平板比圆柱、半球弱得多，水压会让平板中间产生最大弯曲，应力非常集中。 |
|
| 79 | + |
|
| 80 | +❌ 5 mm 玻璃太薄 |
|
| 81 | + |
|
| 82 | +商用能下水的玻璃或亚克力窗厚度通常要 10–25 mm（视尺寸而定），而且多数采用圆弧结构。 |
|
| 83 | + |
|
| 84 | +❌ DIY 结构没有安全裕度 |
|
| 85 | + |
|
| 86 | +工程上至少需要 3 倍安全系数，DIY 的平板盒子基本没有。 |
|
| 87 | + |
|
| 88 | +工程界和水下设备圈普遍共识： |
|
| 89 | + |
|
| 90 | +5 mm 浮法玻璃做平板窗，只要面积超过手机屏幕大小，3–5 米深度就已经存在高风险破裂。 |
|
| 91 | + |
|
| 92 | +你这块面板比手机屏幕大了很多倍。 |
|
| 93 | + |
|
| 94 | + |
|
| 95 | +## ref |
|
| 96 | + |
|
| 97 | +- [[environment-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/physics-dat/pressure-dat/pressure-design-dat/2025-11-26-21-26-38.png
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fab-mechanics-dat/physics-dat/pressure-dat/pressure-design-dat/Elastic-chamber-dat]/Elastic-chamber-dat.md
| ... | ... | @@ -0,0 +1,17 @@ |
| 1 | + |
|
| 2 | +# Elastic-chamber-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +八、针对你之前“油浸/压力补偿”的上下文（重要） |
|
| 6 | + |
|
| 7 | +最优方案建议 |
|
| 8 | +如果是无人潜器 / 长时间： |
|
| 9 | + |
|
| 10 | +主体：油浸 |
|
| 11 | + |
|
| 12 | +浮力调节： |
|
| 13 | +👉 油囊 + 微型油泵 |
|
| 14 | +（不是气！） |
|
| 15 | + |
|
| 16 | +这是为什么专业 ROV 不用气泵调浮力。 |
|
| 17 | + |
fab-mechanics-dat/physics-dat/pressure-dat/pressure-design-dat/pressure-design-dat.md
| ... | ... | @@ -0,0 +1,199 @@ |
| 1 | +# pressure-design-dat |
|
| 2 | + |
|
| 3 | +- [[submarine-dat]] |
|
| 4 | + |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +## Normal direction and force distribution |
|
| 10 | + |
|
| 11 | +This is a fluid‑statics + structural mechanics question. Conclusion first, details after. |
|
| 12 | + |
|
| 13 | +1) Hydrostatic pressure itself: no difference |
|
| 14 | + |
|
| 15 | +For a flat surface and for a curved surface (at the same depth h): |
|
| 16 | + |
|
| 17 | +p = ρ g h |
|
| 18 | + |
|
| 19 | +Pressure depends only on depth, not on shape. The pressure magnitude per unit area is identical for a given depth. |
|
| 20 | + |
|
| 21 | +The difference is not in the pressure magnitude, but in the local normal directions and how the pressure vectors combine. |
|
| 22 | + |
|
| 23 | +2) Difference in normal directions (the key point) |
|
| 24 | + |
|
| 25 | +- Flat surface |
|
| 26 | + - The entire face has a single fixed normal direction. |
|
| 27 | + - All pressure vectors point the same way. |
|
| 28 | + - Resultant force = pressure × area (single direction). |
|
| 29 | + - Example: observation windows, flat end caps. |
|
| 30 | + |
|
| 31 | +- Curved surface (cylinder) |
|
| 32 | + - Each small surface element has its own normal direction. |
|
| 33 | + - Local pressure always acts along the local surface normal (radial inward for a cylinder). |
|
| 34 | + - Example: pressure hulls, submarine shells. |
|
| 35 | + |
|
| 36 | +3) Resultant force and stress consequences |
|
| 37 | + |
|
| 38 | +- Cylinder sidewall |
|
| 39 | + - Radial pressure components around the circumference largely cancel each other. |
|
| 40 | + - Net lateral resultant ≈ 0. |
|
| 41 | + - Principal stresses produced are hoop (circumferential) stress and axial stress (if end caps are present). |
|
| 42 | + - Therefore cylinders are very resistant to external hydrostatic pressure. |
|
| 43 | + |
|
| 44 | +- Flat plate |
|
| 45 | + - All pressure vectors add in the same direction. |
|
| 46 | + - The resultant force accumulates and causes bending, bulging, or fracture. |
|
| 47 | + - Flat faces are typically the weakest parts of pressure designs. |
|
| 48 | + |
|
| 49 | +4) Intuitive picture |
|
| 50 | + |
|
| 51 | +- A flat plate feels like it is being "pushed" inward by a block of water. |
|
| 52 | +- A cylinder feels like it is being "squeezed" evenly from all sides; the water "hugs" it rather than pushes it off. |
|
| 53 | + |
|
| 54 | + |
|
| 55 | +## shape design summary |
|
| 56 | + |
|
| 57 | +Conclusion (same internal volume): |
|
| 58 | + |
|
| 59 | +| Shape | Surface area | Stress concentration | Pressure efficiency | |
|
| 60 | +|---|---:|---:|---:| |
|
| 61 | +| Flat box | Largest | Very high | ❌ Worst | |
|
| 62 | +| Cylinder | Medium | Low | ✅ Good | |
|
| 63 | +| Sphere | Smallest | Almost none | ✅✅ Best | |
|
| 64 | + |
|
| 65 | +For the same internal volume, the rounder the shape, the more depth a given amount of material can resist. |
|
| 66 | + |
|
| 67 | + |
|
| 68 | + |
|
| 69 | +## Acrylic (PMMA) hemispherical container for 100 m depth |
|
| 70 | + |
|
| 71 | +Summary and key engineering recommendation |
|
| 72 | + |
|
| 73 | +- Design safety factor: multiply theoretical thickness by 4–6. |
|
| 74 | + - Example: 2.2 × 5 ≈ 11 mm |
|
| 75 | +- Conclusion (ready-to-use): For a 130 mm diameter hemispherical acrylic (PMMA) viewport at 100 m depth: |
|
| 76 | + - Recommended thickness: 10–12 mm |
|
| 77 | + - Absolute minimum (not recommended): 8 mm |
|
| 78 | + |
|
| 79 | +Flat window comparison |
|
| 80 | + |
|
| 81 | +- Under the same conditions, a flat acrylic window would require 25–30 mm thickness or more and still carries a risk of sudden brittle fracture. |
|
| 82 | +- A **hemispherical** window is approximately 3–5× stronger than a **flat** window. |
|
| 83 | + |
|
| 84 | +Practical construction advice (important) |
|
| 85 | + |
|
| 86 | +- Use a single-piece thermoformed hemisphere (do not bond halves together). |
|
| 87 | +- Do not glue the hemisphere in place. |
|
| 88 | +- Use an O-ring with a floating clamping arrangement; avoid rigid clamping. |
|
| 89 | +- Make the inner diameter slightly larger than the outer diameter seating to prevent the window being "pulled out" by differential pressure. |
|
| 90 | + |
|
| 91 | +One-line summary |
|
| 92 | + |
|
| 93 | +For a 130 mm diameter hemispherical acrylic viewport operating at 100 m depth, 10–12 mm thickness is a reliable, engineering-grade, safe choice. |
|
| 94 | + |
|
| 95 | + |
|
| 96 | +## Metal cylinder with transparent end windows (100 m target) |
|
| 97 | + |
|
| 98 | +Context: If the pressure vessel is a metal cylinder and the two ends are transparent acrylic observation windows, at 100 m depth (≈10 bar / 1.0 MPa external pressure) the failure mode shifts from cylinder buckling to transparent end-window deflection and seal failure. Below are practical, engineering-focused parameter recommendations that include an overall safety factor of ≈2. |
|
| 99 | + |
|
| 100 | +Overall conclusions |
|
| 101 | + |
|
| 102 | +- A metal cylinder easily reaches 100 m and even 300 m. |
|
| 103 | +- The real limiting factor is the transparent acrylic end windows. |
|
| 104 | +- To reliably reach 100 m, the windows must be: thick, spherical or domed, and sealed with a face (axial) O-ring. |
|
| 105 | + |
|
| 106 | +Recommended standard design (most robust — strongly recommended) |
|
| 107 | + |
|
| 108 | +This is a common, engineering-grade approach for 100 m observation housings. It is simple and has a high success rate. |
|
| 109 | + |
|
| 110 | +Cylinder (main pressure hull) |
|
| 111 | + |
|
| 112 | +- Material: 6061-T6 aluminum or 304 stainless steel |
|
| 113 | +- Outer diameter: 200 mm |
|
| 114 | +- Wall thickness: |
|
| 115 | + - Aluminum: 4–5 mm |
|
| 116 | + - Stainless steel: 3 mm |
|
| 117 | +- Length: 600 mm |
|
| 118 | +- Construction: minimal welds or full welds with annealing |
|
| 119 | + |
|
| 120 | +-> For 100 m this provides a large strength margin. |
|
| 121 | + |
|
| 122 | +Transparent end windows (critical) |
|
| 123 | + |
|
| 124 | +- Material: cast acrylic (PMMA) |
|
| 125 | +- Shape: outward convex hemisphere / spherical cap (not flat) |
|
| 126 | +- Diameter: ≈180–190 mm (embedded) |
|
| 127 | +- Minimum thickness: 20 mm |
|
| 128 | +- Effective radius of curvature: ≥ 90 mm |
|
| 129 | +- Loading behavior: external pressure clamps the dome and improves sealing as depth increases. |
|
| 130 | + |
|
| 131 | +Sealing |
|
| 132 | + |
|
| 133 | +- O-ring material: NBR or FKM |
|
| 134 | +- Hardness: 70–75A |
|
| 135 | +- Compression: 20–25% |
|
| 136 | +- Sealing style: axial face seal (recommended); radial seals are not recommended |
|
| 137 | +- Window mating surfaces: chamfered and polished (Ra ≤ 0.8) |
|
| 138 | + |
|
| 139 | +Engineering assessment |
|
| 140 | + |
|
| 141 | +- Theoretical window pressure capacity: ≈200 m |
|
| 142 | +- Recommended operational depth (with safety margin): 100–120 m for long-term service |
|
| 143 | + |
|
| 144 | + |
|
| 145 | +### Secondary (lower-risk) option (higher risk, but lighter) |
|
| 146 | + |
|
| 147 | +- Window material: acrylic |
|
| 148 | +- Shape: shallow dome |
|
| 149 | +- Thickness: 15–18 mm |
|
| 150 | +- Constraints: |
|
| 151 | + - Window diameter ≤ 160 mm |
|
| 152 | + - Use dual O-rings |
|
| 153 | + - Use a metal clamp ring to load the window evenly |
|
| 154 | + |
|
| 155 | +This may reach 100 m for short-term use but is not recommended for repeated long-term operation. |
|
| 156 | + |
|
| 157 | + |
|
| 158 | +### Absolutely unacceptable end-window options (will fail at 100 m) |
|
| 159 | + |
|
| 160 | +- Flat acrylic windows (no matter the thickness) |
|
| 161 | +- Transparent windows ≤ 12 mm thick |
|
| 162 | +- Large-diameter (≥ 180 mm) flat windows |
|
| 163 | +- Gluing the window directly (no mechanical seal) |
|
| 164 | +- Unsupported "clamped glass" without metal backing |
|
| 165 | + |
|
| 166 | + |
|
| 167 | +### Quick risk summary (100 m class) |
|
| 168 | + |
|
| 169 | +- Cylinder structural strength: ★★★★★ (very safe) |
|
| 170 | +- Transparent window risk: ★★★★★ (the single critical item) |
|
| 171 | +- Seal failure risk: ★★★☆☆ (controllable) |
|
| 172 | +- Manufacturing tolerance importance: ★★★★★ |
|
| 173 | + |
|
| 174 | +One-sentence version |
|
| 175 | + |
|
| 176 | +> Metal cylinder + thick domed acrylic observation windows = standard engineering approach for 100 m. |
|
| 177 | +> |
|
| 178 | +> Recommended parameters: metal cylinder 4–5 mm wall + 20 mm domed acrylic end window + O-ring face seal. |
|
| 179 | + |
|
| 180 | + |
|
| 181 | +## General pressure design notes |
|
| 182 | + |
|
| 183 | + |
|
| 184 | + |
|
| 185 | + |
|
| 186 | +## Using tubing for deep water |
|
| 187 | + |
|
| 188 | +If you need to reach 100 m underwater, follow these recommendations: |
|
| 189 | + |
|
| 190 | +1. Industrial thick-wall PVC (PN16 or higher) can be used, but plastics are still not recommended for deep external pressure environments. |
|
| 191 | +2. Use a flange connection with an O-ring seal — this is far superior to bonded joints. |
|
| 192 | +3. Using a metal pipe (e.g., 316L stainless steel) is more reliable. |
|
| 193 | + |
|
| 194 | +Most important note: Never rely on plastic adhesives for deep-water pressure seals. Always use mechanical sealing (flanges + O-rings), metal housings, or purpose-built deep-water equipment. |
|
| 195 | + |
|
| 196 | + |
|
| 197 | +## References |
|
| 198 | + |
|
| 199 | +- [[waterproof-dat]] |
|
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fab-mechanics-dat/physics-dat/size-dat/size-dat.md
| ... | ... | @@ -0,0 +1,12 @@ |
| 1 | + |
|
| 2 | +# size-dat.md |
|
| 3 | + |
|
| 4 | +100 x 100 mm |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +## ref |
|
| 11 | + |
|
| 12 | +- [[physics-dat]] |
|
| ... | ... | \ No newline at end of file |
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fab-mechanics-dat/physics-dat/torque-dat/2025-03-28-15-34-04.png
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fab-mechanics-dat/physics-dat/torque-dat/torque-dat.md
| ... | ... | @@ -0,0 +1,136 @@ |
| 1 | + |
|
| 2 | +# torque-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | +## 0.35Nm vs 1200-1800 g·cm |
|
| 6 | + |
|
| 7 | +$1200\text{--}1800$ $g\cdot cm$ becomes $1.2\text{--}1.8$ $kg\cdot cm$. |
|
| 8 | + |
|
| 9 | +1200–1800 g⋅cm becomes 1.2–1.8 kg⋅cm. |
|
| 10 | + |
|
| 11 | + |
|
| 12 | +- $1.2$ $kg\cdot cm \times 0.09807 \approx \mathbf{0.118}$ $N\cdot m$ |
|
| 13 | +- $1.8$ $kg\cdot cm \times 0.09807 \approx \mathbf{0.176}$ $N\cdot m$ |
|
| 14 | + |
|
| 15 | +## N·m and kg·cm |
|
| 16 | + |
|
| 17 | +note the rated torque of a motor is the maximum torque that the motor can deliver at its rated speed. |
|
| 18 | + |
|
| 19 | +and stall torque is the maximum torque that the motor can deliver at zero speed. |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +N·m and kg·cm (kgf·cm) are both used to express torque, but they come from different unit systems. |
|
| 24 | + |
|
| 25 | +What they mean |
|
| 26 | + |
|
| 27 | +N·m (Newton·meter) |
|
| 28 | + |
|
| 29 | +SI (metric) standard unit |
|
| 30 | + |
|
| 31 | +Based on force in newtons |
|
| 32 | + |
|
| 33 | +kg·cm (kgf·cm) |
|
| 34 | + |
|
| 35 | +Engineering / motor specs unit |
|
| 36 | + |
|
| 37 | +Based on kilogram-force, not mass |
|
| 38 | + |
|
| 39 | +1 kgf = force exerted by 1 kg under Earth gravity |
|
| 40 | + |
|
| 41 | + |
|
| 42 | +Which one to use? |
|
| 43 | + |
|
| 44 | +Engineering / physics / calculations → N·m |
|
| 45 | + |
|
| 46 | +RC motors, servos, hobby electronics → kg·cm |
|
| 47 | + |
|
| 48 | + |
|
| 49 | + Torque (N·m) Torque (kg·cm) |
|
| 50 | + -------------------------------- |
|
| 51 | + 0.1 ≈ 1.02 |
|
| 52 | + 0.5 ≈ 5.10 |
|
| 53 | + 1.0 ≈ 10.20 |
|
| 54 | + 2.0 ≈ 20.39 |
|
| 55 | + 5.0 ≈ 50.99 |
|
| 56 | + 10.0 ≈ 101.97 |
|
| 57 | + |
|
| 58 | + |
|
| 59 | + |
|
| 60 | + |
|
| 61 | +## what is torque |
|
| 62 | + |
|
| 63 | + |
|
| 64 | + |
|
| 65 | + |
|
| 66 | + |
|
| 67 | + |
|
| 68 | +# Torque Comparison: 45T Brushed Motor vs MG540 Brushed Motor |
|
| 69 | + |
|
| 70 | +| Spec | 45T Brushed Motor | MG540 Brushed Gear Motor | |
|
| 71 | +| --------------- | ----------------------- | --------------------------- | |
|
| 72 | +| Motor Size | 540-class ?? | 540-class ?? | |
|
| 73 | +| Turns | 45T | Unknown (not T-rated) | |
|
| 74 | +| Torque | ~400 g·cm | 2.6 kgf·cm | |
|
| 75 | +| Torque (kgf·cm) | ~0.4 kgf·cm | 2.6 kgf·cm | |
|
| 76 | +| Torque (N·m) | ~0.0392 N·m | ~0.255 N·m | |
|
| 77 | +| Speed (RPM) | ~9,000–11,000 RPM | Likely lower | |
|
| 78 | +| Use Case | RC crawler, trail drive | High-torque RC drive | |
|
| 79 | +| Notes | High control, low speed | High torque, moderate speed | |
|
| 80 | + |
|
| 81 | +## Torque |
|
| 82 | + |
|
| 83 | +Meaning: |
|
| 84 | + |
|
| 85 | +Torque = Force × Distance from the axis of rotation |
|
| 86 | + |
|
| 87 | +10 N·m means a force of 10 Newtons is applied 1 meter away from the pivot point (or 5 N applied 2 meters away, etc.). |
|
| 88 | + |
|
| 89 | + |
|
| 90 | +## Newtons |
|
| 91 | + |
|
| 92 | +🧱 Real-World Examples of 10 N: |
|
| 93 | + |
|
| 94 | +Lifting about 1 kg vertically against Earth's gravity. |
|
| 95 | + |
|
| 96 | +Gravity exerts about 9.8 N of force on a 1 kg object. |
|
| 97 | + |
|
| 98 | +So if you lift a 1-liter bottle of water (which weighs about 1 kg), you're applying roughly 10 N of force. |
|
| 99 | + |
|
| 100 | + |
|
| 101 | + |
|
| 102 | +## 🔄 What is 100 kgf·cm? |
|
| 103 | + |
|
| 104 | +kgf = kilogram-force |
|
| 105 | + |
|
| 106 | +This is the force exerted by 1 kg of mass due to gravity (≈ 9.80665 newtons). |
|
| 107 | + |
|
| 108 | +cm = centimeters, the distance from the axis of rotation. |
|
| 109 | + |
|
| 110 | +So 100 kgf·cm means: |
|
| 111 | + |
|
| 112 | +The torque generated by **a 100 kgf force acting 1 cm away from the axis**, or a 1 kgf force acting 100 cm away, and so on. |
|
| 113 | + |
|
| 114 | +## compare 100 kgf·cm and 10 N·m |
|
| 115 | + |
|
| 116 | +#### 🔁 Conversion |
|
| 117 | +- 100 centimeters (cm) is equal to 1 meter (m). |
|
| 118 | +- 1 kgf·cm = 0.0980665 N·m |
|
| 119 | +- 100 kgf·cm = 100 × 0.0980665 = **9.80665 N·m** |
|
| 120 | + |
|
| 121 | +#### ✅ Comparison Table |
|
| 122 | + |
|
| 123 | +| Unit | Value in N·m | |
|
| 124 | +|--------------|---------------------| |
|
| 125 | +| 100 kgf·cm | ≈ 9.81 N·m | |
|
| 126 | +| 10 N·m | 10.00 N·m | |
|
| 127 | + |
|
| 128 | +#### 📌 Conclusion |
|
| 129 | +- **100 kgf·cm ≈ 9.81 N·m**, slightly less than **10 N·m** |
|
| 130 | +- Difference: **~0.19%** |
|
| 131 | +- For practical purposes: **Nearly equal** |
|
| 132 | + |
|
| 133 | + |
|
| 134 | +## ref |
|
| 135 | + |
|
| 136 | +- [[motor-dat]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/safety-dat/safety-dat.md
| ... | ... | @@ -0,0 +1,18 @@ |
| 1 | + |
|
| 2 | +# safety-dat |
|
| 3 | + |
|
| 4 | +1. Wear Proper Gloves |
|
| 5 | + |
|
| 6 | +Use mechanic or heavy-duty work gloves with good grip. |
|
| 7 | + |
|
| 8 | +Avoid very loose gloves that can get caught in the rope or hardware. |
|
| 9 | + |
|
| 10 | + |
|
| 11 | +## ref |
|
| 12 | + |
|
| 13 | +- [[steel-wiring-rope-fitting-dat]] |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | + |
fab-mechanics-dat/vacuum-pump-dat/2025-04-02-16-38-14.png
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fab-mechanics-dat/vacuum-pump-dat/vacuum-pump-dat.md
| ... | ... | @@ -0,0 +1,30 @@ |
| 1 | + |
|
| 2 | +# vacuum-pump-dat |
|
| 3 | + |
|
| 4 | + |
|
| 5 | + |
|
| 6 | +DC 24V |
|
| 7 | + |
|
| 8 | + |
|
| 9 | +| Feature | 12V Air Pump | 24V Air Pump | |
|
| 10 | +| ----------------- | ------------ | ------------ | |
|
| 11 | +| No-load Current | 0.65A | 0.38A | |
|
| 12 | +| Full-load Current | 1.5A | 0.85A | |
|
| 13 | +| Negative Pressure | ≥ -58KPA | ≥ -58KPA | |
|
| 14 | +| Positive Pressure | ≥ 100KPA | ≥ 100KPA | |
|
| 15 | +| Air Flow | ≥ 15L/min | ≥ 15L/min | |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +## dimension |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | +## installation to machine |
|
| 23 | + |
|
| 24 | + |
|
| 25 | + |
|
| 26 | + |
|
| 27 | + |
|
| 28 | +## ref |
|
| 29 | + |
|
| 30 | +- [[vacuum-pump]] |
|
| ... | ... | \ No newline at end of file |
fab-mechanics-dat/velcro-dat/2025-05-12-16-13-53.png
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fab-mechanics-dat/velcro-dat/velcro-dat.md
| ... | ... | @@ -0,0 +1,106 @@ |
| 1 | + |
|
| 2 | +# velcro-dat |
|
| 3 | + |
|
| 4 | +- quickly snap or remove |
|
| 5 | + |
|
| 6 | + |
|
| 7 | + |
|
| 8 | + |
|
| 9 | + |
|
| 10 | +## build |
|
| 11 | + |
|
| 12 | +fix a [[rc-boat]] which does not have the top lad with [[velcro-dat]] |
|
| 13 | + |
|
| 14 | + |
|
| 15 | + |
|
| 16 | + |
|
| 17 | + |
|
| 18 | +## two sides structure |
|
| 19 | + |
|
| 20 | + |
|
| 21 | + |
|
| 22 | + |
|
| 23 | +## specs |
|
| 24 | + |
|
| 25 | +### white |
|
| 26 | + |
|
| 27 | +白色3cm宽 3米毛 |
|
| 28 | + |
|
| 29 | +白色3cm宽 3米勾 |
|
| 30 | + |
|
| 31 | +白色1.6cm宽 3米毛+3米勾 |
|
| 32 | + |
|
| 33 | +白色2cm宽 3米毛+3米勾 |
|
| 34 | + |
|
| 35 | +白色2.5cm宽 3米毛+3米勾 |
|
| 36 | + |
|
| 37 | +白色3cm宽 3米毛+3米勾 |
|
| 38 | + |
|
| 39 | +白色3.8cm宽 3米毛+3米勾 |
|
| 40 | + |
|
| 41 | +【白色5cm宽】3米毛+3米勾 |
|
| 42 | + |
|
| 43 | +【白色11cm宽】3米毛+3米勾 |
|
| 44 | + |
|
| 45 | +白色2cm宽*15cm长【10片毛+10片勾】 |
|
| 46 | + |
|
| 47 | +白色2.5cm宽*15cm长【10片毛+10片勾】 |
|
| 48 | + |
|
| 49 | +白色3cm宽*15cm长【10片毛+10片勾】 |
|
| 50 | + |
|
| 51 | +白色3.8cm宽*15cm长【10片毛+10片勾】 |
|
| 52 | + |
|
| 53 | +白色5cm宽*15cm长【10片毛+10片勾】 |
|
| 54 | + |
|
| 55 | +白色11cm宽*15cm长【5片毛+5片勾】 |
|
| 56 | + |
|
| 57 | +白色11cm宽*15厘米长【10片毛+10片勾】 |
|
| 58 | + |
|
| 59 | + |
|
| 60 | + |
|
| 61 | +## black |
|
| 62 | + |
|
| 63 | +黑色3cm宽 3米勾 |
|
| 64 | + |
|
| 65 | +黑色3cm宽 3米毛 |
|
| 66 | + |
|
| 67 | +黑色2cm宽*15cm长 5片毛+5片勾 |
|
| 68 | + |
|
| 69 | +黑色2cm宽 3米毛+3米勾 |
|
| 70 | + |
|
| 71 | +黑色2.5cm宽 3米毛+3米勾 |
|
| 72 | + |
|
| 73 | +黑色3cm宽 3米毛+3米勾 |
|
| 74 | + |
|
| 75 | +黑色3.8cm宽 3米毛+3米勾 |
|
| 76 | + |
|
| 77 | +黑色5cm宽 3米毛+3米勾 |
|
| 78 | + |
|
| 79 | +黑色11cm宽 3米毛+3米勾 |
|
| 80 | + |
|
| 81 | +【黑色1.6cm宽】3米毛+3米勾 |
|
| 82 | + |
|
| 83 | +黑色11cm宽*15cm长【5片毛+5片勾】 |
|
| 84 | + |
|
| 85 | +黑色11cm宽*15cm长【10片毛+10片勾】 |
|
| 86 | + |
|
| 87 | +黑色2cm宽*15cm长【10片毛+10片勾】 |
|
| 88 | + |
|
| 89 | +黑色2.5cm宽*15cm长【10片毛+10片勾】 |
|
| 90 | + |
|
| 91 | +黑色3cm宽*15cm长【10片毛+10片勾】 |
|
| 92 | + |
|
| 93 | +黑色3.8cm宽*15cm长【10片毛+10片勾】 |
|
| 94 | + |
|
| 95 | +黑色5cm宽*15cm长【10片毛+10片勾】 |
|
| 96 | + |
|
| 97 | + |
|
| 98 | +## pre-cut |
|
| 99 | + |
|
| 100 | +1.6cm*15cm【10片毛+10片勾】 |
|
| 101 | + |
|
| 102 | + |
|
| 103 | + |
|
| 104 | +## ref |
|
| 105 | + |
|
| 106 | +- [[velcro]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/CAD-dat/3D-dat/3D-dat.md
| ... | ... | @@ -1,53 +0,0 @@ |
| 1 | - |
|
| 2 | -# 3D-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -## models |
|
| 9 | - |
|
| 10 | -- grabcad.com |
|
| 11 | - |
|
| 12 | -- [[RPI-SBC-dat]] - [[RPI3-dat]] == https://grabcad.com/library/tag/raspberry-pi-3 |
|
| 13 | -- https://cad.onshape.com/documents/325199368bc7c76de0bb2734/w/6df0a3011397e11d5e9c6aa7/e/0fbd5947347de8d82d3b190f |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -- [Raspberry Pi 4 Model B](https://grabcad.com/library/raspberry-pi-4-model-b-1) |
|
| 17 | -- https://cad.onshape.com/documents/54071b9bce3973a140c33fd2/w/cb3a52ded17cd4105d9416b1 |
|
| 18 | - |
|
| 19 | - |
|
| 20 | -- raspberry-pi-zero-2-w-1 == https://grabcad.com/library/raspberry-pi-zero-2-w-1 |
|
| 21 | - |
|
| 22 | -- [[CONN-cable-JST-dat]] - [[CONN-dat]] |
|
| 23 | - |
|
| 24 | -- [[XH2.54-dat]] |
|
| 25 | - |
|
| 26 | - |
|
| 27 | -- [[arduino-dat]] |
|
| 28 | - |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | -## projects |
|
| 33 | - |
|
| 34 | -- [[pixieplacer-dat]] |
|
| 35 | - |
|
| 36 | -- [[tank-dat]] - [[rover-dat]] - |
|
| 37 | - |
|
| 38 | - |
|
| 39 | - |
|
| 40 | - |
|
| 41 | -## stl file open and conversion |
|
| 42 | - |
|
| 43 | -- https://convert3d.org/app |
|
| 44 | - |
|
| 45 | -## scale |
|
| 46 | - |
|
| 47 | -- https://www.tinkercad.com/ |
|
| 48 | - |
|
| 49 | - |
|
| 50 | - |
|
| 51 | -## ref |
|
| 52 | - |
|
| 53 | -- [[CAD-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/CAD-dat/CAD-dat.md
| ... | ... | @@ -1,70 +0,0 @@ |
| 1 | - |
|
| 2 | -# CAD-dat |
|
| 3 | - |
|
| 4 | -- [[fab-dat]] |
|
| 5 | - |
|
| 6 | -- [[step-dat]] |
|
| 7 | - |
|
| 8 | -- [[assembly-dat]] - [[onshape-dat]] - [[drawing-dat]] |
|
| 9 | - |
|
| 10 | -- [[CAD-dat]] - [[onshape-dat]] - [[drawing-dat]] - [[assembly-dat]] - [[step-dat]] |
|
| 11 | - |
|
| 12 | -- [[eaglecad-dat]] - [[kicad-dat]] |
|
| 13 | - |
|
| 14 | -- [[3D-dat]] |
|
| 15 | - |
|
| 16 | -- [[solidworks-dat]] |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | -## Cloud-based Tools: |
|
| 22 | - |
|
| 23 | - |
|
| 24 | -- Onshape: You can upload the .PRT file and see if Onshape can automatically recognize it and allow you to work with it or convert it to another format. |
|
| 25 | -- GrabCAD Workbench: This platform may also support .PRT files, especially if it’s a standard PTC Creo file. |
|
| 26 | - |
|
| 27 | -### drawbacks |
|
| 28 | - |
|
| 29 | -- consider internet speed |
|
| 30 | - |
|
| 31 | -### Onshape |
|
| 32 | - |
|
| 33 | -[onshape](https://cad.onshape.com) |
|
| 34 | - |
|
| 35 | -- [check system requirements](https://cad.onshape.com/check) |
|
| 36 | - |
|
| 37 | -## opensource 3D |
|
| 38 | - |
|
| 39 | -### freeCAD |
|
| 40 | - |
|
| 41 | -- [freeCAD](https://wiki.freecad.org/download) |
|
| 42 | -- easy to crash |
|
| 43 | -- AMD HD 6700 1G = slow |
|
| 44 | - |
|
| 45 | - |
|
| 46 | -## opensource 2D |
|
| 47 | - |
|
| 48 | -- libreCAD |
|
| 49 | - |
|
| 50 | - |
|
| 51 | - |
|
| 52 | - |
|
| 53 | - |
|
| 54 | - |
|
| 55 | - |
|
| 56 | - |
|
| 57 | -- [[CNC-dat]] |
|
| 58 | - |
|
| 59 | - |
|
| 60 | - |
|
| 61 | - |
|
| 62 | -## download |
|
| 63 | - |
|
| 64 | -http://grabcad.com/library |
|
| 65 | - |
|
| 66 | -- [[CONN-pin-header-dat]] |
|
| 67 | - |
|
| 68 | -## ref |
|
| 69 | - |
|
| 70 | -- [[CAD]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/CAD-dat/drawing-dat/2025-06-16-12-56-05.png
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mechanics-dat/CAD-dat/drawing-dat/drawing-dat.md
| ... | ... | @@ -1,14 +0,0 @@ |
| 1 | - |
|
| 2 | -# drawing-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -to export readable drawings, you can use the following formats: |
|
| 7 | - |
|
| 8 | -- DWG |
|
| 9 | -- DXF |
|
| 10 | - |
|
| 11 | -And note to export ratio 1:1 to avoid misreading |
|
| 12 | - |
|
| 13 | - |
|
| 14 | -- [[eaglecad-dat]] - [[dxf-dat]] - [[drawing-dat]] - [[onshape-drawing-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/CAD-dat/drawing-dat/dxf-dat.md
| ... | ... | @@ -1,13 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# dxf-dat.md |
|
| 4 | - |
|
| 5 | -- [[eaglecad-dat]] import |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -## ref |
|
| 13 | - |
mechanics-dat/CAD-dat/onshape-dat/2025-12-20-16-04-36.png
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mechanics-dat/CAD-dat/onshape-dat/onshape-constrain-dat.md
| ... | ... | @@ -1,32 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | - |
|
| 4 | -# onshape-constrain-dat.md |
|
| 5 | - |
|
| 6 | -## Pin slot mate (m) |
|
| 7 | - |
|
| 8 | -Allow rotation about the Z axis and translation along the X axis. The 1st selection serves as the pin and the rotational movement point, and the 2nd selection serves as the translational movement. |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -## Slider mate (m) |
|
| 12 | - |
|
| 13 | -Allow translation along the Z axis. The lst selection serves as the slidingpoint, and the 2nd as the stationary point. |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -## Width mate |
|
| 17 | - |
|
| 18 | -Allow translation and normal rotation on a slot's center plane. |
|
| 19 | - |
|
| 20 | -The 1st selection defines the item to be centered. |
|
| 21 | - |
|
| 22 | -The 2nd selection defines the center plane. |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | -## ref |
|
| 30 | - |
|
| 31 | -- [[onshape-dat]] |
|
| 32 | - |
mechanics-dat/CAD-dat/onshape-dat/onshape-dat.md
| ... | ... | @@ -1,103 +0,0 @@ |
| 1 | - |
|
| 2 | -# onshape-dat |
|
| 3 | - |
|
| 4 | -- [[onshape-constrain-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -## custom features |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -- [[thread-dat]] |
|
| 13 | - |
|
| 14 | -## relevant |
|
| 15 | - |
|
| 16 | -- [[ALU-extrusion-dat]] - [[Alu_Extrusion-dat]] |
|
| 17 | - |
|
| 18 | -## commands |
|
| 19 | - |
|
| 20 | - shift + enter |
|
| 21 | - Accept & repeat command |
|
| 22 | - enter |
|
| 23 | - Accept command |
|
| 24 | - escape |
|
| 25 | - Cancel |
|
| 26 | - space |
|
| 27 | - Clear selection |
|
| 28 | - ctrl/cmd |
|
| 29 | - c |
|
| 30 | - Copy |
|
| 31 | - shift |
|
| 32 | - c |
|
| 33 | - Curve/surface analysis |
|
| 34 | - delete |
|
| 35 | - / |
|
| 36 | - backspace |
|
| 37 | - Delete selection |
|
| 38 | - shift |
|
| 39 | - d |
|
| 40 | - Dihedral analysis |
|
| 41 | - ctrl/cmd |
|
| 42 | - shift |
|
| 43 | - f |
|
| 44 | - FeatureScript search |
|
| 45 | - ctrl |
|
| 46 | - u |
|
| 47 | - Feedback/Report a bug |
|
| 48 | - a |
|
| 49 | - Flip primary axis |
|
| 50 | - k |
|
| 51 | - Hide/show mate connectors |
|
| 52 | - shift |
|
| 53 | - / |
|
| 54 | - Keyboard shortcuts |
|
| 55 | - shift |
|
| 56 | - Lock mate inference |
|
| 57 | - ctrl |
|
| 58 | - m |
|
| 59 | - Mate connector |
|
| 60 | - [ |
|
| 61 | - Measure |
|
| 62 | - ctrl/cmd |
|
| 63 | - click |
|
| 64 | - Open in new tab |
|
| 65 | - shift |
|
| 66 | - click |
|
| 67 | - Open in new window |
|
| 68 | - ctrl/cmd |
|
| 69 | - v |
|
| 70 | - Paste |
|
| 71 | - ctrl |
|
| 72 | - space |
|
| 73 | - Quick tab switching |
|
| 74 | - ctrl |
|
| 75 | - y |
|
| 76 | - / |
|
| 77 | - shift |
|
| 78 | - cmd |
|
| 79 | - z |
|
| 80 | - Redo |
|
| 81 | - shift |
|
| 82 | - n |
|
| 83 | - Rename selection |
|
| 84 | - q |
|
| 85 | - Reorient secondary axis |
|
| 86 | - alt/⌥ |
|
| 87 | - c |
|
| 88 | - Search tools |
|
| 89 | - ` |
|
| 90 | - Select other |
|
| 91 | - s |
|
| 92 | - Shortcut toolbars |
|
| 93 | - alt/⌥ |
|
| 94 | - t |
|
| 95 | - Tab manager |
|
| 96 | - ctrl/cmd |
|
| 97 | - z |
|
| 98 | - Undo |
|
| 99 | - |
|
| 100 | - |
|
| 101 | -## ref |
|
| 102 | - |
|
| 103 | -- [[cad-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/CAD-dat/onshape-dat/onshape-drawing-dat.md
| ... | ... | @@ -1,9 +0,0 @@ |
| 1 | - |
|
| 2 | -# onshape-drawing-dat.md |
|
| 3 | - |
|
| 4 | -normally ratio 1:1 |
|
| 5 | - |
|
| 6 | -drawing tab -> export -> dxf |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -- [[eaglecad-dat]] - [[dxf-dat]] - [[drawing-dat]] - [[onshape-drawing-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/CAD-dat/onshape-dat/onshape-standard-dat.md
| ... | ... | @@ -1,33 +0,0 @@ |
| 1 | - |
|
| 2 | -# onshape-standard-dat.md |
|
| 3 | - |
|
| 4 | -## Method 1: Insert Standard Screws (Recommended) |
|
| 5 | - |
|
| 6 | -### Steps |
|
| 7 | -1. **Open an Assembly** |
|
| 8 | - > Standard screws can only be inserted in **Assemblies**, not Part Studios. |
|
| 9 | - |
|
| 10 | -2. **Insert → Standard Content** |
|
| 11 | - - Click **Insert** (top toolbar) |
|
| 12 | - - Choose **Standard Content** |
|
| 13 | - |
|
| 14 | -3. **Choose the screw standard** |
|
| 15 | - - Standards: `ISO`, `DIN`, `ANSI`, `ASME` |
|
| 16 | - - Type: `Socket head`, `Pan head`, `Countersunk`, etc. |
|
| 17 | - - Example: |
|
| 18 | - - ISO → Screws → Socket head cap screw (ISO 4762) |
|
| 19 | - |
|
| 20 | -4. **Set parameters** |
|
| 21 | - - Diameter: `M3`, `M4`, `M5`… |
|
| 22 | - - Length: `8 mm`, `12 mm`, `20 mm`… |
|
| 23 | - - Material (optional) |
|
| 24 | - |
|
| 25 | -5. **Place the screw** |
|
| 26 | - - Click a **cylindrical hole face** |
|
| 27 | - - Onshape auto-aligns the screw axis |
|
| 28 | - |
|
| 29 | -6. **Fasten with mates** |
|
| 30 | - - Use **Fastened Mate** |
|
| 31 | - - Or **Revolute Mate** if rotation is needed |
|
| 32 | - |
|
| 33 | ---- |
mechanics-dat/CAD-dat/step-dat/step-dat.md
| ... | ... | @@ -1,21 +0,0 @@ |
| 1 | - |
|
| 2 | -# step-dat |
|
| 3 | - |
|
| 4 | -- Export |
|
| 5 | -- File name View export rules |
|
| 6 | -- 555-rack |
|
| 7 | -- Format |
|
| 8 | -- STEP |
|
| 9 | -- Export models oriented Y axis up |
|
| 10 | -- Preprocessing |
|
| 11 | -- None |
|
| 12 | -- Version |
|
| 13 | -- AP242 |
|
| 14 | -- Use latest version |
|
| 15 | -- Use custom units for export |
|
| 16 | -- Options |
|
| 17 | -- Download |
|
| 18 | - |
|
| 19 | -## ref |
|
| 20 | - |
|
| 21 | -- [[cad-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/Installation-Hole-dat/2025-01-02-15-58-41.png
| ... | ... | Binary files a/mechanics-dat/Installation-Hole-dat/2025-01-02-15-58-41.png and /dev/null differ |
mechanics-dat/Installation-Hole-dat/2025-01-02-15-58-48.png
| ... | ... | Binary files a/mechanics-dat/Installation-Hole-dat/2025-01-02-15-58-48.png and /dev/null differ |
mechanics-dat/Installation-Hole-dat/Installation-Hole-dat.md
| ... | ... | @@ -1,9 +0,0 @@ |
| 1 | - |
|
| 2 | -# Installation-Hole-dat |
|
| 3 | - |
|
| 4 | -## M3-Screw-and-Installation-Hole |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
mechanics-dat/electromechanical-dat/Linear-Solenoid-Valve-dat/Linear-Solenoid-Valve-dat.md
| ... | ... | @@ -1,26 +0,0 @@ |
| 1 | -
|
|
| 2 | -
|
|
| 3 | -# Linear-Solenoid-Valve-dat
|
|
| 4 | -
|
|
| 5 | -- [[Linear-Solenoid-Valve-dat]] - [[electromechanical-dat]] - [[gear-worm-dat]]
|
|
| 6 | -
|
|
| 7 | -
|
|
| 8 | -## model
|
|
| 9 | -
|
|
| 10 | -宗泰 SDO-0420L-24A85 拉式直动电磁铁 智能门锁/儿童玩具运用
|
|
| 11 | -
|
|
| 12 | -- 型号：SD0-0420L-24A85
|
|
| 13 | -- 类型：拉式直动电磁铁
|
|
| 14 | -- 工作循环：通0.5秒，断2秒
|
|
| 15 | -- 包装：原包装，一箱1000个
|
|
| 16 | -- 额定电压：直流24伏
|
|
| 17 | -- 额定电流：240毫安
|
|
| 18 | -- 功率：约6瓦
|
|
| 19 | -- 电阻：8.3欧
|
|
| 20 | -- 行程范围：0-13.5毫米（有不对的地方请指正）
|
|
| 21 | -- 拉力：<400克（通电时，可吊起400克砝码）
|
|
| 22 | -- 应用：智能门锁，儿童玩具等
|
|
| 23 | -- 重量：12.6克
|
|
| 24 | -
|
|
| 25 | -
|
|
| 26 | -## ref |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/electromechanical-dat/electromechanical-dat.md
| ... | ... | @@ -1,10 +0,0 @@ |
| 1 | -
|
|
| 2 | -# electromechanical-dat
|
|
| 3 | -
|
|
| 4 | -- [[gear-worm-dat]]
|
|
| 5 | -
|
|
| 6 | -- [[Linear-Solenoid-Valve-dat]] - [[electromechanical-dat]] - [[gear-worm-dat]] - [[mechanics-dat]]
|
|
| 7 | -
|
|
| 8 | -
|
|
| 9 | -## ref
|
|
| 10 | -
|
mechanics-dat/glue-dat/adhesive-remover-dat/adhesive-remover-dat.md
| ... | ... | @@ -1,8 +0,0 @@ |
| 1 | -
|
|
| 2 | -
|
|
| 3 | -
|
|
| 4 | -# adhesive-remover-dat
|
|
| 5 | -
|
|
| 6 | -- [[fab-tools-dat]] - [[adhesive-remover-dat]]
|
|
| 7 | -
|
|
| 8 | -- [[adhesive-remover]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/glue-dat/glue-dat.md
| ... | ... | @@ -1,158 +0,0 @@ |
| 1 | -
|
|
| 2 | -# glue-dat
|
|
| 3 | -
|
|
| 4 | -
|
|
| 5 | -
|
|
| 6 | -- [[glue-hot-dat]] - [[502-glue-dat]] - [[epoxy-glue-dat]] (AB Glue) - [[uv-glue-dat]]
|
|
| 7 | -
|
|
| 8 | -- [[glue-ABS-dat]]
|
|
| 9 | -
|
|
| 10 | -- [[glue-PVC-dat]]
|
|
| 11 | -
|
|
| 12 | -- [[glue-dat]] - [[glue-hot-dat]]
|
|
| 13 | -
|
|
| 14 | -- [[adhesive-remover-dat]]
|
|
| 15 | -
|
|
| 16 | -# 🔍 Comparison of Adhesives
|
|
| 17 | -
|
|
| 18 | -| Feature / Property | 502 Glue (Cyanoacrylate) | Epoxy Resin (AB Glue) | Hot Glue (Thermoplastic) | UV Glue (Light-Cured Adhesive) |
|
|
| 19 | -|---------------------------|-------------------------------|-----------------------------------|----------------------------------|-------------------------------------|
|
|
| 20 | -| **Main Component** | Cyanoacrylate | Epoxy resin + Hardener | Thermoplastic (EVA) | Acrylated resin + photoinitiators |
|
|
| 21 | -| **Curing Trigger** | Moisture (in air/surface) | Chemical (resin + hardener mix) | Heat (glue gun) | UV light |
|
|
| 22 | -| **Cure Time** | Seconds | Minutes to hours | Seconds (cools fast) | Seconds (with UV light) |
|
|
| 23 | -| **Bond Strength** | High | Very High | Medium | High |
|
|
| 24 | -| **Material Compatibility**| Metal, plastic, rubber, etc. | Most surfaces | Most porous and some plastics | Glass, plastic, metal |
|
|
| 25 | -| **Heat Resistance** | Low to Moderate | High | Low | Moderate to High |
|
|
| 26 | -| **Moisture Resistance** | Moderate | High | Low | High |
|
|
| 27 | -| **Application Control** | Moderate (can drip) | Requires mixing, precise | Easy, but can be stringy | Precise (controlled by light) |
|
|
| 28 | -| **Reusability** | No (one-time bond) | No (once mixed, must be used) | Yes (reheat and reuse) | No |
|
|
| 29 | -| **Common Uses** | Quick household repairs, models| Heavy-duty bonding, structural | Crafts, packaging, quick fixes | Phone screens, jewelry, precision |
|
|
| 30 | -| **Cleanup** | Acetone | Alcohol/solvents before cure | Peel off | Alcohol or acetone |
|
|
| 31 | -
|
|
| 32 | -
|
|
| 33 | -
|
|
| 34 | -
|
|
| 35 | -## How 502 Glue Works (Cyanoacrylate Adhesive)
|
|
| 36 | -
|
|
| 37 | -502 glue, also known as **super glue**, is primarily made from **cyanoacrylate**. It works based on a **rapid polymerization reaction** triggered by moisture.
|
|
| 38 | -
|
|
| 39 | ----
|
|
| 40 | -
|
|
| 41 | -### 🧪 Basic Principle
|
|
| 42 | -
|
|
| 43 | -**1. Composition – Cyanoacrylate:**
|
|
| 44 | -502 glue contains cyanoacrylate monomers that remain stable in dry environments. However, when exposed to even tiny amounts of **moisture (like humidity in the air)**, a chemical reaction starts.
|
|
| 45 | -
|
|
| 46 | -**2. Polymerization Triggered by Moisture:**
|
|
| 47 | -When applied to surfaces, the trace moisture on them acts as a **catalyst**, initiating a **rapid chain reaction** that converts the liquid monomers into solid polymers (plastic-like substance).
|
|
| 48 | -
|
|
| 49 | -👉 This hardening happens within **seconds**.
|
|
| 50 | -
|
|
| 51 | -**3. Exothermic Reaction:**
|
|
| 52 | -The polymerization process **releases heat**. This is why 502 glue can feel hot when accidentally bonded to skin, sometimes causing minor burns.
|
|
| 53 | -
|
|
| 54 | ----
|
|
| 55 | -
|
|
| 56 | -### 🔧 Adhesive Characteristics
|
|
| 57 | -
|
|
| 58 | -- Bonds quickly and strongly to various materials like:
|
|
| 59 | - - Metal
|
|
| 60 | - - Plastic
|
|
| 61 | - - Rubber
|
|
| 62 | - - Ceramics
|
|
| 63 | - - Leather
|
|
| 64 | -- Dries in seconds
|
|
| 65 | -- High bonding strength
|
|
| 66 | -- **Not ideal** for long-term high heat or moisture exposure (may become brittle)
|
|
| 67 | -
|
|
| 68 | ----
|
|
| 69 | -
|
|
| 70 | -### 🧼 How to Remove It
|
|
| 71 | -
|
|
| 72 | -If you accidentally glue your skin or surfaces, try:
|
|
| 73 | -
|
|
| 74 | -- **Nail polish remover (contains acetone)**
|
|
| 75 | -- **Soaking in warm soapy water**
|
|
| 76 | -- **Gentle peeling or waiting for it to wear off naturally**
|
|
| 77 | -
|
|
| 78 | ----
|
|
| 79 | -
|
|
| 80 | -### 📌 Summary
|
|
| 81 | -
|
|
| 82 | -502 glue works by **polymerizing instantly** when in contact with moisture, forming a hard plastic-like bond. It’s fast, strong, and versatile—but must be handled carefully due to its speed and bonding strength.
|
|
| 83 | -
|
|
| 84 | -
|
|
| 85 | -
|
|
| 86 | -
|
|
| 87 | -## ❌ Why 502 Glue Fails to Bond Some 3D Printing Materials
|
|
| 88 | -
|
|
| 89 | -### 1. **Low Surface Energy (LSE) Plastics**
|
|
| 90 | -Many 3D printing filaments, like **PP (Polypropylene)**, **PE (Polyethylene)**, and **PTFE (Teflon)**, have **very low surface energy**, meaning adhesives can't "wet" or stick to them properly.
|
|
| 91 | -
|
|
| 92 | -- ➤ Glue beads up instead of spreading
|
|
| 93 | -- ➤ No strong chemical bond forms
|
|
| 94 | -
|
|
| 95 | -### 2. **Porous or Layered Surface (FDM Printing)**
|
|
| 96 | -FDM 3D prints have tiny gaps and a layered structure:
|
|
| 97 | -
|
|
| 98 | -- ➤ 502 glue may seep in but not form strong bonds between layers
|
|
| 99 | -- ➤ Layer lines reduce the available smooth surface area for bonding
|
|
| 100 | -
|
|
| 101 | -### 3. **Moisture Content**
|
|
| 102 | -502 glue requires **a small amount of moisture** to activate. But:
|
|
| 103 | -
|
|
| 104 | -- ➤ Some 3D printed parts may be too dry (especially freshly printed ones)
|
|
| 105 | -- ➤ Or too porous, absorbing glue unevenly
|
|
| 106 | -
|
|
| 107 | -### 4. **Incompatible Materials**
|
|
| 108 | -Some common filaments are just not suitable for cyanoacrylate:
|
|
| 109 | -
|
|
| 110 | -| Material | 502 Glue Compatibility |
|
|
| 111 | -|----------------|------------------------|
|
|
| 112 | -| PLA | ✅ Generally bonds well |
|
|
| 113 | -| ABS | ⚠️ Moderate (may need sanding) |
|
|
| 114 | -| PETG | ⚠️ Difficult, slippery surface |
|
|
| 115 | -| TPU / TPE | ❌ Very poor bonding (flexible) |
|
|
| 116 | -| Nylon | ❌ Very difficult to bond |
|
|
| 117 | -| PP / PE | ❌ Extremely poor adhesion |
|
|
| 118 | -
|
|
| 119 | -### 5. **Oily or Contaminated Surface**
|
|
| 120 | -Some filaments (like PETG or nylon) may feel **greasy** or attract **oil/dust**, which prevents proper glue bonding.
|
|
| 121 | -
|
|
| 122 | ----
|
|
| 123 | -
|
|
| 124 | -## ✅ Tips to Improve Bonding
|
|
| 125 | -
|
|
| 126 | -- **Roughen the surface** with sandpaper
|
|
| 127 | -- **Clean with alcohol** before applying glue
|
|
| 128 | -- Use **plastic primers** or **specialized adhesives** (like epoxy or polyurethane)
|
|
| 129 | -- For tricky materials like nylon or TPU, use **heat welding**, **mechanical fasteners**, or **special plastic adhesives**
|
|
| 130 | -
|
|
| 131 | -
|
|
| 132 | -## For high-strength bonding of mechanical transmission components (e.g., gears, bearings, linkages, metal or hard plastic parts), the recommended adhesives are:
|
|
| 133 | -
|
|
| 134 | -| Adhesive Type | Suitable Materials | Features & Recommendations |
|
|
| 135 | -|----------------------------|-----------------------------------|----------------------------------------------------------------------------|
|
|
| 136 | -| AB Glue (Epoxy Resin, 2-part) | Metal, ceramics, hard plastics, composites | Extremely strong, gap-filling, rigid after curing, heat and chemical resistant, good for shear and pressure loads |
|
|
| 137 | -| MMA Adhesive (Methyl Methacrylate) | Metal, composites, hard plastics | Industrial-grade, strong and slightly flexible, vibration-resistant, suitable for high-speed or vibrating environments |
|
|
| 138 | -| Structural Acrylic Adhesive | Metal-to-metal, composites | High shear strength, commonly used in automotive or mechanical structural parts |
|
|
| 139 | -| PU Adhesive (Polyurethane Structural Glue) | Metal, hard plastic, composites | Flexible, absorbs vibration, good for impact or minor vibration, slightly lower strength than AB glue |
|
|
| 140 | -
|
|
| 141 | -⚙️ **Selection Recommendations**:
|
|
| 142 | -1. **High load, requires rigidity** → **AB Glue (Epoxy Resin)**
|
|
| 143 | -2. **High load with vibration or impact** → **MMA Glue / Structural Acrylic**
|
|
| 144 | -3. **Moderate load, requires flexibility, minor vibration absorption** → **PU Structural Glue**
|
|
| 145 | -
|
|
| 146 | -💡 **Tips**:
|
|
| 147 | -- Ensure bonding surfaces are **clean, dry, and oil-free**
|
|
| 148 | -- Lightly sanding metal or hard plastic surfaces can improve friction and adhesion
|
|
| 149 | -- For high-speed rotating or precision transmission components, even after curing, **stress distribution** should be considered; using **mechanical alignment pins/bolts** can reinforce the joint
|
|
| 150 | -
|
|
| 151 | -
|
|
| 152 | -
|
|
| 153 | -
|
|
| 154 | -## ref
|
|
| 155 | -
|
|
| 156 | -- [[mechanics-dat]]
|
|
| 157 | -
|
|
| 158 | -- [[glue]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/glue-dat/glue-expory-dat/glue-expory-dat.md
| ... | ... | @@ -1,21 +0,0 @@ |
| 1 | - |
|
| 2 | -# epoxy-glue-dat.md |
|
| 3 | - |
|
| 4 | -epoxy glue is commonly referred to as AB glue. |
|
| 5 | - |
|
| 6 | -三、推荐的具体胶水（常见好买） |
|
| 7 | -✅ 性价比方案（可 DIY） |
|
| 8 | - |
|
| 9 | -慢固化 AB 胶（24 小时型） |
|
| 10 | - |
|
| 11 | -比如：工业级环氧胶、EPOXY ADHESIVE |
|
| 12 | - |
|
| 13 | -强度明显高于 5 分钟胶 |
|
| 14 | - |
|
| 15 | -⭐ 更稳的工程方案 |
|
| 16 | - |
|
| 17 | -3M DP420 / DP460（环氧结构胶） |
|
| 18 | - |
|
| 19 | -Loctite EA 9460 / 9480 |
|
| 20 | - |
|
| 21 | -Loctite 330（配底涂）（丙烯酸） |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/glue-dat/glue-hot-dat/2026-02-22-14-52-45.png
| ... | ... | Binary files a/mechanics-dat/glue-dat/glue-hot-dat/2026-02-22-14-52-45.png and /dev/null differ |
mechanics-dat/glue-dat/glue-hot-dat/glue-hot-dat.md
| ... | ... | @@ -1,10 +0,0 @@ |
| 1 | - |
|
| 2 | -# glue-hot-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -## ref |
|
| 9 | - |
|
| 10 | -- [[glue-dat]] - [[glue-hot-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/glue-dat/glue-lens-dat.md
| ... | ... | @@ -1,65 +0,0 @@ |
| 1 | -# glue-lens-dat |
|
| 2 | - |
|
| 3 | - |
|
| 4 | -⚠️注意：胶水只能涂在 镜头金属外壳的螺纹区域、外壁、固定环位置, 绝不能涂在镜片表面，否则必然毁掉成像。 |
|
| 5 | - |
|
| 6 | -## **A. Optical-grade Epoxy (Best + Most Common)** |
|
| 7 | -Examples: |
|
| 8 | -- **EPO-TEK 301** |
|
| 9 | -- **EPO-TEK OG142 / OG159-2** |
|
| 10 | -- **Loctite 3771** |
|
| 11 | - |
|
| 12 | -**Pros** |
|
| 13 | -- High transparency (>95%) |
|
| 14 | -- No fogging |
|
| 15 | -- Waterproof + pressure-resistant |
|
| 16 | -- Safe with plastic lenses |
|
| 17 | -- Ideal for bonding a flat protective window |
|
| 18 | - |
|
| 19 | -**Cons** |
|
| 20 | -- Long curing time |
|
| 21 | -- Must be applied carefully |
|
| 22 | - |
|
| 23 | -Recommended models: |
|
| 24 | - |
|
| 25 | -- EPO-TEK 301 |
|
| 26 | -- EPO-TEK 301-2 |
|
| 27 | -- EPO-TEK OG142 / OG159-2 |
|
| 28 | -- Loctite 3771 (Optical Epoxy) |
|
| 29 | - |
|
| 30 | -Advantages: |
|
| 31 | -- Does not whiten (no blooming) |
|
| 32 | -- Safe for plastic lens elements |
|
| 33 | -- Very high transparency |
|
| 34 | -- High mechanical strength after cure |
|
| 35 | -- Can be used for waterproof sealing |
|
| 36 | - |
|
| 37 | -Suitable for: |
|
| 38 | -- Bonding a dust/protective cover to the rear of the lens |
|
| 39 | -- Sealing the lens rear for waterproofing |
|
| 40 | - |
|
| 41 | ---- |
|
| 42 | - |
|
| 43 | - |
|
| 44 | -## **B. Optical UV Adhesives** |
|
| 45 | -Examples: |
|
| 46 | -- **Norland NOA61 / NOA63 / NOA65 / NOA81** |
|
| 47 | -- **Dymax 6-621** |
|
| 48 | - |
|
| 49 | -**Pros** |
|
| 50 | -- Very clear |
|
| 51 | -- Fast UV cure |
|
| 52 | -- Safe for plastic and glass |
|
| 53 | -- Precise control |
|
| 54 | - |
|
| 55 | -**Cons** |
|
| 56 | -- UV light must reach the adhesive |
|
| 57 | -- Not ideal for thick layers (>1 mm) |
|
| 58 | - |
|
| 59 | - |
|
| 60 | - |
|
| 61 | -## ref |
|
| 62 | - |
|
| 63 | -- [[glue-dat]] - [[lens-dat]] |
|
| 64 | - |
|
| 65 | -- [[glue-lens]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/glue-dat/glue-lens.md
| ... | ... | @@ -1,10 +0,0 @@ |
| 1 | - |
|
| 2 | -# glue-lens.md |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -loctite汉高乐泰E- 30CL环氧树脂AB胶透明灌注胶防潮耐候性超级电焊胶光学透明灌封胶电子电路板防水铸工胶 |
|
| 6 | - |
|
| 7 | -https://detail.tmall.com/item.htm?abbucket=9&id=652747005184&mi_id=0000IjhpKEd3znq8pxGzGZv4obIps39Xz72-fyFUB520YgI&ns=1&priceTId=213e0a8e17653516284226491e19aa&skuId=5854080352118&spm=a21n57.1.hoverItem.1&utparam=%7B%22aplus_abtest%22%3A%22b5cc482cb5ba63778065061fdd45ca00%22%7D&xxc=taobaoSearch |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
mechanics-dat/glue-dat/glue-waterproof-dat.md
| ... | ... | @@ -1,26 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# glue-waterproof-dat.md |
|
| 4 | - |
|
| 5 | -- [[plastic-dat]] |
|
| 6 | - |
|
| 7 | -Recommended Adhesives for Waterproof Sealing |
|
| 8 | - |
|
| 9 | -1. **Epoxy Resin** |
|
| 10 | - - Two-part epoxy (clear or marine-grade) |
|
| 11 | - - Creates a **strong, waterproof bond** |
|
| 12 | - - Good for ABS, PETG, PLA |
|
| 13 | - |
|
| 14 | -2. **Plastic Solvent Welding** |
|
| 15 | - - For ABS: **acetone** melts edges and fuses pieces |
|
| 16 | - - Creates a **solid, almost seamless bond** |
|
| 17 | - |
|
| 18 | -3. **Silicone Sealant** |
|
| 19 | - - Food-grade or marine silicone |
|
| 20 | - - Not strong structurally, but excellent for **sealing gaps and making watertight** |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | -## ref |
|
| 25 | - |
|
| 26 | -- [[waterproof-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/hex-key-dat/hex-key-dat.md
| ... | ... | @@ -1,44 +0,0 @@ |
| 1 | - |
|
| 2 | -# hex-key-dat |
|
| 3 | - |
|
| 4 | -- [[screw-dat]] |
|
| 5 | - |
|
| 6 | -- [[tools-power-socket-dat]] - [[hex-key-dat]] |
|
| 7 | - |
|
| 8 | -## Internal hexagon |
|
| 9 | - |
|
| 10 | -the **specifications of Allen keys / hex keys** are defined by the **across-flats (AF) size**, meaning the distance between two opposite flat sides of the hexagon. |
|
| 11 | - |
|
| 12 | -So you can say: |
|
| 13 | - |
|
| 14 | -- “Hex key sizes are specified by the across-flats dimension.” |
|
| 15 | -- Example: a 6 mm Allen key means the hexagon measures 6 mm across the flats. |
|
| 16 | - |
|
| 17 | -- 1.5mm |
|
| 18 | -- 2mm |
|
| 19 | -- 2.5mm |
|
| 20 | -- 3mm |
|
| 21 | -- 4mm |
|
| 22 | -- 5mm |
|
| 23 | -- 6mm |
|
| 24 | -- 8mm |
|
| 25 | -- 10mm |
|
| 26 | -- 12mm |
|
| 27 | -- 14mm |
|
| 28 | -- 16mm |
|
| 29 | -- 17mm |
|
| 30 | -- 18mm |
|
| 31 | -- 19mm |
|
| 32 | -- 20mm |
|
| 33 | - |
|
| 34 | - |
|
| 35 | -power hex key |
|
| 36 | - |
|
| 37 | --- 50MM*H1.5 -- 50MM*H2 -- 50MM*H2.5 -- 50MM*H3 -- 50MM*H4 -- 50MM*H5 -- 50MM*H6 -- 50MM*H8 -- 50MM*H10 -- 50MM*H12 -- 65MM*H1.5 -- 65MM*H2 -- 65MM*H2.5 -- 65MM*H3 -- 65MM*H4 -- 65MM*H5 -- 65MM*H6 -- 65MM*H8 -- 65MM*H10 -- 65MM*H12 -- 100MM*H2.5 -- 100MM*H3 -- 100MM*H4 -- 100MM*H5 -- 100MM*H6 -- 100MM*H8 -- 100MM*H10 -- 100MM*H12 -- 150MM*H3 -- 150MM*H4 -- 150MM*H5 -- 150MM*H6 -- 150MM*H8 -- 150MM*H10 |
|
| 38 | - |
|
| 39 | - |
|
| 40 | - |
|
| 41 | - |
|
| 42 | -## ref |
|
| 43 | - |
|
| 44 | -- [[mechanics-dat]] - [[screw-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-assembly-dat/2025-12-22-21-09-26.png
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mechanics-dat/mechanical-assembly-dat/mechanical-assembly-dat.md
| ... | ... | @@ -1,26 +0,0 @@ |
| 1 | - |
|
| 2 | -# mechanical-assembly-dat |
|
| 3 | - |
|
| 4 | -- [[onshape-dat]] |
|
| 5 | - |
|
| 6 | -## exploded view |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -## drill hole lock assembly |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -### hole through |
|
| 16 | - |
|
| 17 | -- 4.5 |
|
| 18 | -- 3.5 |
|
| 19 | -- 5.5 |
|
| 20 | - |
|
| 21 | - |
|
| 22 | -### hole tapped |
|
| 23 | - |
|
| 24 | -- M3 |
|
| 25 | -- M4 |
|
| 26 | -- M5 |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/Lead-screw-dat/2025-06-06-19-25-24.png
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mechanics-dat/mechanical-parts-dat/Lead-screw-dat/Lead-screw-dat.md
| ... | ... | @@ -1,6 +0,0 @@ |
| 1 | - |
|
| 2 | -# Lead-screw-dat |
|
| 3 | - |
|
| 4 | -lead screws are mechanical devices used to convert rotational motion into linear motion. They consist of a threaded rod (the lead screw) and a nut that moves along the threads when the screw is turned. |
|
| 5 | - |
|
| 6 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/Linear-Rail-dat/2025-02-19-14-25-59.png
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mechanics-dat/mechanical-parts-dat/Linear-Rail-dat/2025-03-11-17-18-47.png
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mechanics-dat/mechanical-parts-dat/Linear-Rail-dat/2025-03-14-20-09-18.png
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mechanics-dat/mechanical-parts-dat/Linear-Rail-dat/Linear-Rail-dat.md
| ... | ... | @@ -1,29 +0,0 @@ |
| 1 | - |
|
| 2 | -# Linear-Rail-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- HGR20 - https://grabcad.com/library/hgr20-linear-guide-subassembly-configurable-rail-length-150-4000-mm-1 |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -## MGN12H_600mm |
|
| 9 | - |
|
| 10 | -- length = 600m |
|
| 11 | - |
|
| 12 | -W = dimension of the block = 27 |
|
| 13 | -Wr = dimesnion of the rail = 12 |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | -导轨端距有要求吗 == 默认均分 |
|
| 20 | - |
|
| 21 | -## installation |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | -## ref |
|
| 28 | - |
|
| 29 | -- [[pixieplacer-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/Nut-dat/2026-01-07-22-02-09.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/2026-01-07-22-02-56.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/2026-01-07-22-03-11.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/Nut-dat.md
| ... | ... | @@ -1,27 +0,0 @@ |
| 1 | - |
|
| 2 | -# Nut-dat |
|
| 3 | - |
|
| 4 | -- [[nut-t-dat]] - [[nut-thumb-dat]] - [[nut-dat]] |
|
| 5 | - |
|
| 6 | -- 螺母 |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -M2.5 perpendicular 5.5 |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -M3 perpendicular 6 |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | -M4 perpendicular 8 |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | -## ref |
|
| 26 | - |
|
| 27 | -- [[nut]] - [[screws]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/Nut-dat/T-nut-dat/2025-02-26-19-02-24.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/T-nut-dat/2025-02-26-19-03-07.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/T-nut-dat/2025-02-26-19-27-32.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/T-nut-dat/2025-02-27-17-46-09.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/T-nut-dat/2025-03-11-16-34-04.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/T-nut-dat/2025-03-13-17-28-08.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/T-nut-dat/2025-03-13-17-29-21.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/T-nut-dat/2025-03-13-17-57-06.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/T-nut-dat/T-nut-dat.md
| ... | ... | @@ -1,77 +0,0 @@ |
| 1 | - |
|
| 2 | -# T-nut-dat |
|
| 3 | - |
|
| 4 | -## specs |
|
| 5 | - |
|
| 6 | -20 - M5 - 10 - 6 == for groove width 6.2 mm 2020 [[Alu-Extrusion-dat]] |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -40 - M5 - 19.5 - 8 == for groove width 8.2 mm 4040 [[Alu-Extrusion-dat]] |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -### T-nuts |
|
| 17 | - |
|
| 18 | -single rail |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | -large locker with ribs |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | -EU 30M4T == 304 == M4 |
|
| 30 | - |
|
| 31 | - |
|
| 32 | - |
|
| 33 | -EU 40M5 |
|
| 34 | - |
|
| 35 | - |
|
| 36 | - |
|
| 37 | -dual rail |
|
| 38 | - |
|
| 39 | -#### Locking Effect Explained: |
|
| 40 | - |
|
| 41 | -Tightening the Screw: |
|
| 42 | - |
|
| 43 | -As you tighten the screw into the T-nut, the screw's threads engage with the internal threads of the T-nut. |
|
| 44 | -When the screw is turned, it applies a force that presses the T-nut tightly against the sides of the aluminum extrusion's groove. |
|
| 45 | - |
|
| 46 | -Increased Friction: |
|
| 47 | - |
|
| 48 | -The horizontal part of the T-nut, the "T" portion, makes contact with the two sides of the groove. This creates a large contact area between the T-nut and the extrusion. |
|
| 49 | -As the screw continues to tighten, the pressure between the T-nut and the groove increases, resulting in higher friction. The friction prevents the T-nut from moving within the groove. |
|
| 50 | - |
|
| 51 | -Stability: |
|
| 52 | - |
|
| 53 | -The tightening force from the screw effectively locks the T-nut into place. The T-nut's "T" shape, combined with the increased pressure, causes it to grip tightly inside the extrusion, which prevents it from shifting or loosening. |
|
| 54 | -This means that once the screw is fully tightened, the T-nut is securely fixed within the extrusion, providing a stable and non-moving connection. |
|
| 55 | - |
|
| 56 | -Prevention of Movement: |
|
| 57 | - |
|
| 58 | -The combination of friction and compression ensures that the T-nut will not slide or move within the extrusion slot. It becomes firmly anchored, even under load, ensuring the connection stays intact over time. |
|
| 59 | -In summary, the locking effect is the result of the screw creating a compressive force that increases friction between the T-nut and the aluminum extrusion groove, securing the T-nut in place and preventing it from shifting. This guarantees a strong, stable, and secure connection. |
|
| 60 | - |
|
| 61 | -### Hex Head (Hexagonal Head): |
|
| 62 | - |
|
| 63 | -- [[screw-dat]] |
|
| 64 | - |
|
| 65 | -Description: A hexagonal-shaped head that requires a wrench or a socket driver for tightening. |
|
| 66 | - |
|
| 67 | -Why it's preferred: The hex head provides a large surface area for torque, allowing you to apply more force to tighten the screw securely. This helps achieve a stronger locking effect for the T-nut. |
|
| 68 | - |
|
| 69 | -Application: Suitable for heavy-duty applications where a high level of torque and secure fastening is required. |
|
| 70 | - |
|
| 71 | - |
|
| 72 | - |
|
| 73 | - |
|
| 74 | - |
|
| 75 | -## ref |
|
| 76 | - |
|
| 77 | -- [[T-nut]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/Nut-dat/nut-thumb-dat/2026-02-22-16-07-56.png
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mechanics-dat/mechanical-parts-dat/Nut-dat/nut-thumb-dat/nut-thumb-dat.md
| ... | ... | @@ -1,15 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# nut-thumb-dat |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -- [[screw-thumb-dat]] - [[nut-thumb-dat]] - [[product-dat]] - [[user-friendly-mechanical-design-dat]] |
|
| 7 | - |
|
| 8 | -- [[nut-t-dat]] - [[nut-thumb-dat]] - [[nut-dat]] |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | -## ref |
|
| 15 | - |
mechanics-dat/mechanical-parts-dat/Pneumatic-cylinder-dat/2025-06-06-19-10-59.png
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mechanics-dat/mechanical-parts-dat/Pneumatic-cylinder-dat/Pneumatic-cylinder-dat.md
| ... | ... | @@ -1,5 +0,0 @@ |
| 1 | - |
|
| 2 | -# Pneumatic-cylinder-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
mechanics-dat/mechanical-parts-dat/bearing-dat/2025-04-18-15-37-24.png
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mechanics-dat/mechanical-parts-dat/bearing-dat/2025-07-03-16-41-47.png
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mechanics-dat/mechanical-parts-dat/bearing-dat/2025-07-03-17-03-47.png
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mechanics-dat/mechanical-parts-dat/bearing-dat/2025-11-30-01-07-43.png
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mechanics-dat/mechanical-parts-dat/bearing-dat/2026-02-28-20-07-00.png
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mechanics-dat/mechanical-parts-dat/bearing-dat/bearing-dat.md
| ... | ... | @@ -1,124 +0,0 @@ |
| 1 | - |
|
| 2 | -# bearing-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[bearing-pillow-dat]] - [[bearing-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -## 6202 / 6302 |
|
| 11 | - |
|
| 12 | -## 6201-2RS / 6301 Bearing Specifications |
|
| 13 | - |
|
| 14 | -Technical Breakdown of the Name: 6201-2RS |
|
| 15 | - |
|
| 16 | -- 6: Indicates a Deep Groove Ball Bearing (the most common type). |
|
| 17 | -- 2: Represents the Series (Light series; provides a balance between size and load capacity). |
|
| 18 | -- 01: This is the Bore Code. For codes 01, 02, and 03, the sizes are fixed: |
|
| 19 | -- 00 = 10mm |
|
| 20 | -- 01 = 12mm |
|
| 21 | -- 02 = 15mm |
|
| 22 | -- 2RS: Stands for Two Rubber Seals. |
|
| 23 | - |
|
| 24 | -`Pro-tip`: If you see ZZ, it means metal shields. For an electric scooter (outdoor use), 2RS is superior because it keeps water and grime out of the internal grease. |
|
| 25 | - |
|
| 26 | -`Axle Fit`: Ensure your axle is exactly 12mm. If the axle is slightly undersized (e.g., 11.8mm), you may experience "play" or wobbling. |
|
| 27 | - |
|
| 28 | -`Hub Housing`: The hole in your wheel hub must be machined to 32mm. This is usually a "press-fit," meaning it should be tight enough that you need a tool or a rubber mallet to seat it. |
|
| 29 | - |
|
| 30 | - |
|
| 31 | -## 6200 / 6300 |
|
| 32 | - |
|
| 33 | - |
|
| 34 | -## bearing stand |
|
| 35 | - |
|
| 36 | -SK series |
|
| 37 | - |
|
| 38 | - |
|
| 39 | - |
|
| 40 | -## linear bearing |
|
| 41 | - |
|
| 42 | - |
|
| 43 | - |
|
| 44 | - |
|
| 45 | -## bearing wtih vertical stand |
|
| 46 | - |
|
| 47 | - |
|
| 48 | - |
|
| 49 | - |
|
| 50 | -## 608_Bearing |
|
| 51 | - |
|
| 52 | -Here's what "608" means: |
|
| 53 | - |
|
| 54 | -- 6 – The bearing type (6 = single row deep groove ball bearing) |
|
| 55 | -- 0 – The bearing series, indicating the robustness (0 = light duty) |
|
| 56 | -- 8 – The bore size, which is 8mm |
|
| 57 | - |
|
| 58 | -Basic Dimensions of a 608 bearing: |
|
| 59 | - |
|
| 60 | -- Inner diameter (bore): 8 mm |
|
| 61 | -- Outer diameter: 22 mm |
|
| 62 | -- Width (thickness): 7 mm |
|
| 63 | - |
|
| 64 | - |
|
| 65 | - |
|
| 66 | - |
|
| 67 | -## block the bearing |
|
| 68 | - |
|
| 69 | - |
|
| 70 | - |
|
| 71 | -by M3 screws |
|
| 72 | - |
|
| 73 | - |
|
| 74 | -## What is a Bearing? |
|
| 75 | - |
|
| 76 | -A **bearing** is a mechanical component that **reduces friction** between moving parts and supports rotational or linear motion. Bearings are commonly used in machines, vehicles, and industrial equipment to enhance efficiency and durability. |
|
| 77 | - |
|
| 78 | ---- |
|
| 79 | - |
|
| 80 | -### Types of Bearings |
|
| 81 | - |
|
| 82 | -#### 1. Rolling Element Bearings (Most Common) |
|
| 83 | -These use balls or rollers to reduce friction. |
|
| 84 | - |
|
| 85 | -- **Ball Bearings** 🏀 |
|
| 86 | - - Use small balls between inner and outer rings. |
|
| 87 | - - Suitable for high-speed applications. |
|
| 88 | - - **Example:** Used in **electric motors, bicycles, fans**. |
|
| 89 | - |
|
| 90 | -- **Roller Bearings** 🎢 |
|
| 91 | - - Use cylindrical, tapered, or spherical rollers instead of balls. |
|
| 92 | - - Handle higher loads than ball bearings. |
|
| 93 | - - **Example:** Found in **conveyor belts, gearboxes, heavy machinery**. |
|
| 94 | - |
|
| 95 | -#### 2. Plain Bearings (Bushings) |
|
| 96 | -- Do not have rolling elements, relying on smooth surfaces and lubrication. |
|
| 97 | -- **Example:** **Hinges, automotive suspension systems**. |
|
| 98 | - |
|
| 99 | -#### 3. Magnetic Bearings 🧲 |
|
| 100 | -- Use **magnetic fields** to support a rotating shaft without physical contact. |
|
| 101 | -- **Example:** **High-speed turbines, advanced aerospace applications**. |
|
| 102 | - |
|
| 103 | -#### 4. Fluid Bearings 💧 |
|
| 104 | -- Use **oil or gas film** to eliminate direct contact between surfaces. |
|
| 105 | -- **Example:** **Hard drives, turbochargers**. |
|
| 106 | - |
|
| 107 | ---- |
|
| 108 | - |
|
| 109 | -### Key Functions of Bearings |
|
| 110 | -✅ **Reduce Friction** → Increases efficiency |
|
| 111 | -✅ **Support Loads** → Radial (sideways) & axial (thrust) loads |
|
| 112 | -✅ **Improve Precision** → Smooth motion & alignment |
|
| 113 | -✅ **Enhance Durability** → Reduces wear on components |
|
| 114 | - |
|
| 115 | - |
|
| 116 | - |
|
| 117 | -## bearing apps |
|
| 118 | - |
|
| 119 | - |
|
| 120 | - |
|
| 121 | - |
|
| 122 | - |
|
| 123 | -## ref |
|
| 124 | - |
mechanics-dat/mechanical-parts-dat/bearing-support-dat/2026-01-07-16-58-43.png
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mechanics-dat/mechanical-parts-dat/bearing-support-dat/2026-01-07-17-00-12.png
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mechanics-dat/mechanical-parts-dat/bearing-support-dat/Flanged-bearing-dat.md
| ... | ... | @@ -1,10 +0,0 @@ |
| 1 | - |
|
| 2 | -# Flanged-bearing-dat.md |
|
| 3 | - |
|
| 4 | -如 LMK、LMEK、LMF、LMEF、LMH 等系列，它们有法兰盘，易于安装。 |
|
| 5 | - |
|
| 6 | -SHF13 - 47 - 13 - 7 |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/bearing-support-dat/bearing-support-dat.md
| ... | ... | @@ -1,3 +0,0 @@ |
| 1 | - |
|
| 2 | -# bearing-support-dat |
|
| 3 | - |
mechanics-dat/mechanical-parts-dat/bracket-dat/2026-01-08-03-50-38.png
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mechanics-dat/mechanical-parts-dat/bracket-dat/bracket-dat.md
| ... | ... | @@ -1,8 +0,0 @@ |
| 1 | - |
|
| 2 | -# bracket-dat |
|
| 3 | - |
|
| 4 | -## Angle bracket / Corner bracket / L-bracket / Angle iron |
|
| 5 | - |
|
| 6 | -Corner Bracket |
|
| 7 | - |
|
| 8 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/crank-dat/2025-12-10-02-07-07.png
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mechanics-dat/mechanical-parts-dat/crank-dat/2026-01-09-02-20-38.png
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mechanics-dat/mechanical-parts-dat/crank-dat/crank-dat.md
| ... | ... | @@ -1,16 +0,0 @@ |
| 1 | - |
|
| 2 | -# crank-dat |
|
| 3 | - |
|
| 4 | -- [[bicycle-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## crank |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | -## ref |
|
| 15 | - |
|
| 16 | -- [[crank]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/damper-dat/2025-11-30-01-57-38.png
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mechanics-dat/mechanical-parts-dat/damper-dat/damper-dat.md
| ... | ... | @@ -1,50 +0,0 @@ |
| 1 | - |
|
| 2 | -# damper-dat |
|
| 3 | - |
|
| 4 | -- [[damping-dat]] |
|
| 5 | - |
|
| 6 | -damper is a mechanical device that resists motion via viscous friction. It is used to reduce vibrations, shocks, and oscillations in mechanical systems. |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## Friction / Viscous Damper |
|
| 10 | - |
|
| 11 | -### damper linear |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -### damper ball-round |
|
| 16 | - |
|
| 17 | -### damper 转盘 |
|
| 18 | - |
|
| 19 | - |
|
| 20 | -## Hydraulic Damper / Shock Absorber 液压 damper linear |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | -## Spring-Damper / Rubber Buffer |
|
| 29 | - |
|
| 30 | - |
|
| 31 | -## 气压阻尼件 (Gas Damper / Gas Spring) |
|
| 32 | - |
|
| 33 | -- 气撑 |
|
| 34 | - |
|
| 35 | - |
|
| 36 | -## apps |
|
| 37 | - |
|
| 38 | -门合页 |
|
| 39 | - |
|
| 40 | - |
|
| 41 | - |
|
| 42 | - |
|
| 43 | - |
|
| 44 | -## ref |
|
| 45 | - |
|
| 46 | -- [[mechanical-parts-dat]] |
|
| 47 | - |
|
| 48 | -- [[force-dat]] |
|
| 49 | - |
|
| 50 | -- [[damper]] - [[mechanical-parts]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/fitting-dat/2026-02-16-12-02-13.png
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mechanics-dat/mechanical-parts-dat/fitting-dat/fitting-dat.md
| ... | ... | @@ -1,96 +0,0 @@ |
| 1 | - |
|
| 2 | -# fitting-dat |
|
| 3 | - |
|
| 4 | -- [[hose-clamp-dat]] - [[fitting-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -### Barbed fitting |
|
| 8 | - |
|
| 9 | -https://www.youtube.com/shorts/hfAoauQJts8 |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -## Fraction to Millimeter Conversion Table |
|
| 16 | - |
|
| 17 | -| Fraction | Decimal | Millimeter (mm) | |
|
| 18 | -| -------- | -------- | --------------- | |
|
| 19 | -| 1/2 | 0.5 | 500 | |
|
| 20 | -| 1/3 | 0.333... | 333.33 | |
|
| 21 | -| 2/3 | 0.666... | 666.67 | |
|
| 22 | -| 1/4 | 0.25 | 250 | |
|
| 23 | -| 3/4 | 0.75 | 750 | |
|
| 24 | -| 1/5 | 0.2 | 200 | |
|
| 25 | -| 2/5 | 0.4 | 400 | |
|
| 26 | -| 3/5 | 0.6 | 600 | |
|
| 27 | -| 4/5 | 0.8 | 800 | |
|
| 28 | -| 1/6 | 0.166... | 166.67 | |
|
| 29 | -| 5/6 | 0.833... | 833.33 | |
|
| 30 | -| 1/8 | 0.125 | 125 | |
|
| 31 | -| 3/8 | 0.375 | 375 | |
|
| 32 | -| 5/8 | 0.625 | 625 | |
|
| 33 | -| 7/8 | 0.875 | 875 | |
|
| 34 | -| 1/9 | 0.111... | 111.11 | |
|
| 35 | - |
|
| 36 | - |
|
| 37 | -### Method A — Barbed Fitting (Most Common) |
|
| 38 | -Barbed fittings grip tubing using ridges. |
|
| 39 | -- **Steps:** |
|
| 40 | - 1. Find a **barbed nozzle adapter** matching the tube’s inner diameter (ID 6 mm). |
|
| 41 | - 2. Push the tube onto the barb until it fully covers the ridges. |
|
| 42 | - 3. Optionally add a **hose clamp** for extra security. |
|
| 43 | -- **Advantages:** Simple, reliable for pressure under ~2–3 bar. |
|
| 44 | - |
|
| 45 | -**Example:** |
|
| 46 | -For ID 6 mm tubing, use a **6 mm barbed nozzle adapter**. |
|
| 47 | - |
|
| 48 | ---- |
|
| 49 | - |
|
| 50 | -### Method B — Compression Fitting |
|
| 51 | -Compression fittings create a tight seal without clamps. |
|
| 52 | -- **Steps:** |
|
| 53 | - 1. Insert the tube into the fitting. |
|
| 54 | - 2. Tighten the compression nut to seal. |
|
| 55 | -- **Advantages:** Good for high pressure, removable. |
|
| 56 | -- **Disadvantages:** Requires matching fitting size and nut. |
|
| 57 | - |
|
| 58 | ---- |
|
| 59 | - |
|
| 60 | -### Method C — Threaded Adapter with Tube Connector |
|
| 61 | -If the nozzle has a threaded output: |
|
| 62 | -- Use a **threaded adapter**. |
|
| 63 | -- Attach a **barbed or compression fitting**. |
|
| 64 | -- Attach tubing. |
|
| 65 | - |
|
| 66 | ---- |
|
| 67 | - |
|
| 68 | -### Method D — Quick-Connect Fittings |
|
| 69 | -Useful if frequent disconnection is needed. |
|
| 70 | -- **Steps:** Push the tube into a quick-connect nozzle adapter until it clicks. |
|
| 71 | -- **Advantages:** Fast connection/disconnection. |
|
| 72 | - |
|
| 73 | ---- |
|
| 74 | - |
|
| 75 | -## 3. Extra Tips |
|
| 76 | -- Match **ID 6 mm** for the fitting/barb size for an OD 8 mm, ID 6 mm tube. |
|
| 77 | -- Use a **hose clamp** for high pressure or vibration. |
|
| 78 | -- Lubricate the tube end with a small amount of water or silicone grease to make fitting easier. |
|
| 79 | -- Cut tubing squarely for a tight seal. |
|
| 80 | - |
|
| 81 | ---- |
|
| 82 | - |
|
| 83 | -**Summary Table:** |
|
| 84 | - |
|
| 85 | -| Method | Pros | Cons | |
|
| 86 | -| ------------- | -------------------------------- | ---------------------------------- | |
|
| 87 | -| Barbed | Simple, reliable, inexpensive | Needs hose clamp for high pressure | |
|
| 88 | -| Compression | High pressure capable, removable | Requires fitting & nut | |
|
| 89 | -| Threaded | Versatile | Needs adapter | |
|
| 90 | -| Quick-Connect | Fast disconnection | Higher cost | |
|
| 91 | - |
|
| 92 | - |
|
| 93 | - |
|
| 94 | -## common tube fitting |
|
| 95 | - |
|
| 96 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/fitting-dat/hose-clamp-dat/2026-04-02-18-27-49.png
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mechanics-dat/mechanical-parts-dat/fitting-dat/hose-clamp-dat/hose-clamp-dat.md
| ... | ... | @@ -1,47 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# hose-clamp-dat |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -- [[shaft-limit-ring-dat]] - [[hose-clamp-dat]] |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -- [[hose-clamp-dat]] - [[fitting-dat]] |
|
| 10 | - |
|
| 11 | -- [[camera-installation-dat]] - [[sensor-camera-dat]] - [[Hose-Clamp-dat]] |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -## specs |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -12宽十字抱箍 0-100 304不锈钢 |
|
| 19 | - |
|
| 20 | -12宽十字抱箍 0-200 304不锈钢 |
|
| 21 | - |
|
| 22 | -12宽十字抱箍 0-300 304不锈钢 |
|
| 23 | - |
|
| 24 | -12宽十字抱箍 0-400 304不锈钢 |
|
| 25 | - |
|
| 26 | -12宽十字抱箍0-50 201不锈钢 |
|
| 27 | - |
|
| 28 | -12宽十字抱箍0-100 201不锈钢 |
|
| 29 | - |
|
| 30 | -12宽十字抱箍0-200 201不锈钢 |
|
| 31 | - |
|
| 32 | -12宽十字抱箍0-300 201不锈钢 |
|
| 33 | - |
|
| 34 | -12宽十字抱箍0-400 201不锈钢 |
|
| 35 | - |
|
| 36 | -12宽十字抱箍0-500 201不锈钢 |
|
| 37 | - |
|
| 38 | -14宽抱箍0-100 304不锈钢 |
|
| 39 | - |
|
| 40 | -14宽抱箍0-200 304不锈钢 |
|
| 41 | - |
|
| 42 | -14宽抱箍0-300 304不锈钢 |
|
| 43 | - |
|
| 44 | -14宽抱箍0-400 304不锈钢 |
|
| 45 | - |
|
| 46 | -## ref |
|
| 47 | - |
mechanics-dat/mechanical-parts-dat/flange-dat/2025-06-07-13-12-02.png
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mechanics-dat/mechanical-parts-dat/flange-dat/2025-06-07-13-14-07.png
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mechanics-dat/mechanical-parts-dat/flange-dat/flange-dat.md
| ... | ... | @@ -1,66 +0,0 @@ |
| 1 | - |
|
| 2 | -# flange-dat.md |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -flange with [[Motor-reduction-Gear-dat]] |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -A flange is a protruding rim, lip, or ridge used for various purposes, including fixing, strengthening, guiding, or connecting. It can be a flat surface sticking out from an object, or a decorative edge on clothing. |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -## shaft coupling flange set == set-screw flange |
|
| 16 | - |
|
| 17 | -The image shows a shaft coupling flange set, typically used to connect a motor shaft to a wheel, gear, or other rotating component. The screw part in this flange assembly refers to the grub screws (set screws) shown next to the hex key (Allen wrench). |
|
| 18 | - |
|
| 19 | -Breakdown of the parts: |
|
| 20 | - |
|
| 21 | -**Grub screws (set screws):** |
|
| 22 | -These are the small black screws included in the image. They are inserted into the threaded side holes of the flange (visible on the cylindrical hub) to secure the shaft in place. |
|
| 23 | - |
|
| 24 | -Function: |
|
| 25 | - |
|
| 26 | -Once the shaft is inserted into the flange's central hole, the grub screws are tightened using the included hex key to clamp the shaft securely, preventing it from slipping. |
|
| 27 | - |
|
| 28 | -These components are commonly used in RC cars, robotics, CNC machines, and 3D printers for coupling motors to shafts or wheels. |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | - |
|
| 33 | -### set-screw flange for 100KG motor |
|
| 34 | - |
|
| 35 | -NO, a basic set-screw flange on an 8mm shaft is not recommended to handle 100 kg load especially under torque or dynamic conditions. |
|
| 36 | - |
|
| 37 | -Consider: |
|
| 38 | - |
|
| 39 | -- A larger diameter shaft (12–16mm) |
|
| 40 | -- Clamping flanges |
|
| 41 | -- Keyed shafts |
|
| 42 | -- Stronger materials |
|
| 43 | -- Proper bearing support |
|
| 44 | - |
|
| 45 | -## Clamping Flange |
|
| 46 | - |
|
| 47 | - |
|
| 48 | - |
|
| 49 | - |
|
| 50 | - |
|
| 51 | - |
|
| 52 | - |
|
| 53 | - |
|
| 54 | -## keyed flange |
|
| 55 | - |
|
| 56 | -## Options selection |
|
| 57 | - |
|
| 58 | -If possible, use a clamping flange — it’s safer, more secure, and better for D-shafts and higher loads. |
|
| 59 | - |
|
| 60 | -If you already have a set screw flange (like in your image), it can work, especially on a D-shaft, but be extra careful with alignment and torque. |
|
| 61 | - |
|
| 62 | -## ref |
|
| 63 | - |
|
| 64 | --[[motor-shaft]] |
|
| 65 | - |
|
| 66 | -- [[flange]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/gear-dat/2026-03-01-00-53-41.png
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mechanics-dat/mechanical-parts-dat/gear-dat/2026-03-01-00-55-32.png
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mechanics-dat/mechanical-parts-dat/gear-dat/gear-bevel-dat/gear-bevel-dat.md
| ... | ... | @@ -1,13 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# gear-bevel-dat |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -- [[robot-dat]] |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -## app |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -- [[robotic-dat]] - [[robotic-joint-dat]] - [[gear-bevel-dat]] |
mechanics-dat/mechanical-parts-dat/gear-dat/gear-dat.md
| ... | ... | @@ -1,92 +0,0 @@ |
| 1 | - |
|
| 2 | -# gear-dat |
|
| 3 | - |
|
| 4 | -- [[gear-dat]] - [[gearbox-dat]] |
|
| 5 | - |
|
| 6 | -- [[RPM-dat]] - [[physics-dat]] - [[gear-dat]] - [[Sprocket-dat]] - [[wheel-dat]] |
|
| 7 | - |
|
| 8 | -- [[chain-dat]] |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -## gear ratio |
|
| 12 | - |
|
| 13 | -To get a 1:5 ratio, the wheel gear must be 5 times larger than the motor gear. |
|
| 14 | - |
|
| 15 | -Common Combinations: |
|
| 16 | - |
|
| 17 | -- 9-tooth motor sprocket $\rightarrow$ 45-tooth wheel sprocket. |
|
| 18 | -- 10-tooth motor sprocket $\rightarrow$ 50-tooth wheel sprocket. |
|
| 19 | -- 11-tooth motor sprocket $\rightarrow$ 55-tooth wheel sprocket. |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | -## Small Wheel Bicycle Drivetrain Specifications (12" - 16") |
|
| 24 | - |
|
| 25 | -For small-diameter wheels, the gear ratio is designed to balance pedaling effort with the shorter distance traveled per wheel revolution. Most bikes in this category use a **Single-Speed Freewheel** system. |
|
| 26 | - |
|
| 27 | ---- |
|
| 28 | - |
|
| 29 | -#### 1. Typical Tooth Counts by Wheel Size |
|
| 30 | - |
|
| 31 | -| Wheel Size | Front Chainring (Teeth) | Rear Cog (Teeth) | Gear Ratio | Purpose | |
|
| 32 | -| :---------- | :---------------------- | :--------------- | :---------- | :-------------------------------------- | |
|
| 33 | -| **12-inch** | **24T - 26T** | **16T** | 1.50 - 1.62 | Maximum torque for toddlers/beginners. | |
|
| 34 | -| **14-inch** | **28T** | **16T** | 1.75 | Balanced ratio for neighborhood riding. | |
|
| 35 | -| **16-inch** | **28T - 32T** | **16T or 18T** | 1.77 - 2.00 | Higher top speed for older children. | |
|
| 36 | - |
|
| 37 | ---- |
|
| 38 | - |
|
| 39 | -#### 2. Component Anatomy |
|
| 40 | - |
|
| 41 | - |
|
| 42 | - |
|
| 43 | -* **The Rear Cog (The Driven Sprocket):** * **Standard Size:** 16T is the industry default. |
|
| 44 | - * **Thread Type:** Most use a standard 1.375" x 24 TPI (Threads Per Inch) interface, allowing you to swap cogs easily. |
|
| 45 | -* **The Front Chainring (The Drive Sprocket):** * Larger wheels require more teeth on the front to prevent "ghost pedaling" (where the legs move too fast for the speed of the bike). |
|
| 46 | -* **The Chain:** * Standard small bikes use a **1/2" x 1/8"** chain (wider than multi-speed chains). |
|
| 47 | - |
|
| 48 | - |
|
| 49 | - |
|
| 50 | -## bicycle gear |
|
| 51 | - |
|
| 52 | - |
|
| 53 | -| Feature | Freewheel (Old Standard/Budget) | Cassette (Modern/Performance) | |
|
| 54 | -| :---------------- | :--------------------------------------------------- | :------------------------------------------------ | |
|
| 55 | -| **Mounting** | Screws onto threads on the hub. | Slides onto a splined "freehub" body. | |
|
| 56 | -| **Mechanism** | Ratchet is inside the gear cluster. | Ratchet is built into the hub (freehub). | |
|
| 57 | -| **Replacement** | You replace the gears and ratchet together. | You replace only the gear cluster. | |
|
| 58 | -| **Axle Strength** | Higher risk of bent axles (bearings are further in). | Lower risk (bearings are positioned further out). | |
|
| 59 | - |
|
| 60 | - |
|
| 61 | - |
|
| 62 | -| Feature | **Freewheel (Live Flywheel)** | **Fixed Gear (Dead Flywheel)** | |
|
| 63 | -| :------------------- | :----------------------------------------------------------------- | :-------------------------------------------------------------------- | |
|
| 64 | -| **Coasting** | Can coast; pedals can remain stationary while the bike moves. | Cannot coast; if the wheels are turning, the pedals **must** turn. | |
|
| 65 | -| **Reverse Pedaling** | The pedals spin freely backward without affecting the wheel. | Used to reverse the bike or apply "back-pressure" to slow down/brake. | |
|
| 66 | -| **Mechanical Link** | Connected via a one-way ratcheting mechanism (clutch). | Directly "fixed" or bolted to the hub; no internal moving parts. | |
|
| 67 | -| **Primary Use** | Standard commuter bikes, vintage mountain bikes, most kids' bikes. | Track cycling (velodrome), "Fixie" culture, and some indoor trainers. | |
|
| 68 | - |
|
| 69 | - |
|
| 70 | - |
|
| 71 | - |
|
| 72 | - |
|
| 73 | -## Cassette |
|
| 74 | - |
|
| 75 | - |
|
| 76 | - |
|
| 77 | - |
|
| 78 | - |
|
| 79 | -## Common Freewheel Thread Standards |
|
| 80 | - |
|
| 81 | -| Standard Name | Metric Diameter (Approx.) | Imperial Specification | Common Application | |
|
| 82 | -| :----------------------- | :------------------------ | :--------------------- | :--------------------------------------------------- | |
|
| 83 | -| **Standard ISO/English** | **34.92 mm** | **1.375" x 24 TPI** | **Most bicycles (95%)**; this is the "34mm" you see. | |
|
| 84 | -| **BMX / Metric Small** | **30.00 mm** | **1.181" x 30 TPI** | Small freewheels (under 16 teeth) for BMX. | |
|
| 85 | -| **French Standard** | **34.70 mm** | **M34.7 x 1.0 mm** | Vintage European bikes (now obsolete). | |
|
| 86 | -| **Italian Standard** | **35.00 mm** | **35mm x 24 TPI** | Vintage Italian racing bikes. | |
|
| 87 | - |
|
| 88 | - |
|
| 89 | - |
|
| 90 | -## ref |
|
| 91 | - |
|
| 92 | -- [[motor-dat]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-parts-dat/gear-dat/gear-worm-dat/gear-worm-dat.md
| ... | ... | @@ -1,37 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | - |
|
| 4 | -# gear-worm-dat |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -A worm gear is a type of gear arrangement in which a screw (the worm) meshes with a gear (the worm wheel). The worm resembles a screw and is typically used to reduce speed and increase torque in mechanical systems. |
|
| 10 | - |
|
| 11 | -Worm gear systems are known for their ability to provide high reduction ratios in a compact space and for their self-locking capability, meaning the gear cannot easily drive the worm back. |
|
| 12 | - |
|
| 13 | -- [[servo-dat]] |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | -worm and worm gear |
|
| 22 | - |
|
| 23 | -## apps |
|
| 24 | - |
|
| 25 | -lifter |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | - |
|
| 33 | - |
|
| 34 | - |
|
| 35 | -## ref |
|
| 36 | - |
|
| 37 | -- [[gear-dat]] - [[gear-worm-dat]] - [[gearbox-dat]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-parts-dat/gear-dat/gearbox-dat/gearbox-dat.md
| ... | ... | @@ -1,131 +0,0 @@ |
| 1 | - |
|
| 2 | -# gearbox-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -- [[gear-dat]] - [[gear-worm-dat]] - [[gearbox-dat]] |
|
| 8 | - |
|
| 9 | -- [[gear-dat]] - [[gearbox-dat]] |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -## type of gearbox |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -- [[motor-servo-dat]] - [[gearbox-dat]] == - [[SG90-dat]] |
|
| 17 | - |
|
| 18 | - |
|
| 19 | -### Planetary Gearbox: |
|
| 20 | - |
|
| 21 | -These are highly efficient and keep the output shaft in line with the motor shaft. They are great for high-torque applications like robotics or electric vehicles. |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | - |
|
| 30 | -outter gear == "sun" gear |
|
| 31 | - |
|
| 32 | -inner gear == "Clutch" gear |
|
| 33 | - |
|
| 34 | -- [[wheel-dat]] - [[wheel-hub-dat]] - [[gearbox-dat]] inside |
|
| 35 | - |
|
| 36 | - |
|
| 37 | - |
|
| 38 | - |
|
| 39 | - |
|
| 40 | - |
|
| 41 | - |
|
| 42 | -inner and outter pair |
|
| 43 | - |
|
| 44 | - |
|
| 45 | - |
|
| 46 | - |
|
| 47 | -just more nice examples |
|
| 48 | - |
|
| 49 | - |
|
| 50 | - |
|
| 51 | -double planetary gearbox |
|
| 52 | - |
|
| 53 | - |
|
| 54 | - |
|
| 55 | -### Worm Gearbox: |
|
| 56 | - |
|
| 57 | -These provide massive reduction in a small space (e.g., 60:1) and have a "self-locking" feature, meaning the output shaft won't turn unless the motor is spinning. |
|
| 58 | - |
|
| 59 | - |
|
| 60 | - |
|
| 61 | -## common gearbox |
|
| 62 | - |
|
| 63 | - |
|
| 64 | -small size |
|
| 65 | - |
|
| 66 | - |
|
| 67 | - |
|
| 68 | - |
|
| 69 | -ratio 1:1 dimension 50x50x25mm |
|
| 70 | - |
|
| 71 | - |
|
| 72 | - |
|
| 73 | - |
|
| 74 | - |
|
| 75 | - |
|
| 76 | -- [[gearbox-differential-dat]] |
|
| 77 | - |
|
| 78 | -### plate gearbox |
|
| 79 | - |
|
| 80 | -- this specially for motor 5555 - [[metal-dat]] - [[metal-molded-dat]] |
|
| 81 | - |
|
| 82 | - |
|
| 83 | - |
|
| 84 | - |
|
| 85 | -### angular gearbox |
|
| 86 | - |
|
| 87 | -- [[gear-bevel-dat]] |
|
| 88 | - |
|
| 89 | - |
|
| 90 | - |
|
| 91 | - |
|
| 92 | - |
|
| 93 | -## apps |
|
| 94 | - |
|
| 95 | -- [[motor-N20-dat]] - [[Motor-reduction-Gear-dat]] |
|
| 96 | - |
|
| 97 | -- [[motor-TT-dat]] |
|
| 98 | - |
|
| 99 | -RC clawer gearbox |
|
| 100 | - |
|
| 101 | - |
|
| 102 | - |
|
| 103 | - |
|
| 104 | -work with [[motor-stepper-dat]] - [[motor-brushless-dat]] - [[motor-servo-dat]] |
|
| 105 | - |
|
| 106 | - |
|
| 107 | - |
|
| 108 | -meta cutting full metal gears |
|
| 109 | - |
|
| 110 | - |
|
| 111 | - |
|
| 112 | -### gearbox to sprocket |
|
| 113 | - |
|
| 114 | -- [[sprocket-dat]] |
|
| 115 | - |
|
| 116 | - |
|
| 117 | - |
|
| 118 | - |
|
| 119 | - |
|
| 120 | -### gearbox assembly |
|
| 121 | - |
|
| 122 | -- 25:1 |
|
| 123 | -- 37型减速箱 |
|
| 124 | - |
|
| 125 | - |
|
| 126 | - |
|
| 127 | - |
|
| 128 | - |
|
| 129 | -## ref |
|
| 130 | - |
|
| 131 | -- [[gearbox]] - [[mechanism]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/gear-dat/gearbox-dat/gearbox-differential-dat/gearbox-differential-dat.md
| ... | ... | @@ -1,64 +0,0 @@ |
| 1 | - |
|
| 2 | -# gearbox-differential-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -A **differential gearbox (differential)** is a mechanical device that allows **two output shafts to rotate at different speeds while still transmitting torque**. It is widely used in cars, machinery, and robots. |
|
| 7 | - |
|
| 8 | ---- |
|
| 9 | - |
|
| 10 | -### 1. Basic Concept |
|
| 11 | - |
|
| 12 | -- **Function**: |
|
| 13 | - - When a vehicle turns, the left and right wheels travel different distances and must rotate at different speeds. |
|
| 14 | - - The differential allows the wheels to spin at different speeds while still transmitting power. |
|
| 15 | - |
|
| 16 | -- **Why it's needed**: |
|
| 17 | - - Without a differential, wheels would slip, skid, or wear out faster during turns. |
|
| 18 | - |
|
| 19 | ---- |
|
| 20 | - |
|
| 21 | -### 2. Working Principle (Simplified) |
|
| 22 | - |
|
| 23 | -A differential typically has **three main parts**: |
|
| 24 | - |
|
| 25 | -1. **Input / Pinion Gear**: Connects to the engine or motor to transmit power. |
|
| 26 | -2. **Planetary / Spider Gears**: Allow the two output shafts to rotate at different speeds. |
|
| 27 | -3. **Output Shafts / Side Gears**: Connect to the left and right wheels. |
|
| 28 | - |
|
| 29 | -- **When turning**: |
|
| 30 | - - The inner wheel rotates slower, the outer wheel rotates faster. |
|
| 31 | - - The differential automatically adjusts the speed difference between the wheels. |
|
| 32 | - |
|
| 33 | ---- |
|
| 34 | - |
|
| 35 | -### 3. Types of Differentials |
|
| 36 | - |
|
| 37 | -| Type | Features | Application | |
|
| 38 | -|------|----------|-------------| |
|
| 39 | -| Open Differential | Basic type, allows free differential | Standard cars, light vehicles | |
|
| 40 | -| Limited Slip Differential (LSD) | Limits differential when slipping occurs | Off-road vehicles, racing cars | |
|
| 41 | -| Torsen / Planetary Differential | Automatically distributes torque | High-performance cars, AWD vehicles | |
|
| 42 | -| Electronic Differential | Torque distribution controlled electronically | Modern cars, robots | |
|
| 43 | - |
|
| 44 | ---- |
|
| 45 | - |
|
| 46 | -### 4. Use in Robots or Small Vehicles |
|
| 47 | - |
|
| 48 | -- For **4-wheel or 6-wheel independently driven robots**: |
|
| 49 | - - **Electronic differential** can replace mechanical differential. |
|
| 50 | - - Each wheel can be controlled individually to achieve smooth turning. |
|
| 51 | - |
|
| 52 | ---- |
|
| 53 | - |
|
| 54 | -### ✅ Summary |
|
| 55 | - |
|
| 56 | -A differential gearbox is a device that **allows wheels to spin at different speeds while transmitting power**. |
|
| 57 | -- Essential for **turning and preventing wheel slip**. |
|
| 58 | -- Types include **open, limited-slip, Torsen, and electronic differential**. |
|
| 59 | -- In independent motor systems, **software control can replace mechanical differentials**. |
|
| 60 | - |
|
| 61 | - |
|
| 62 | -## ref |
|
| 63 | - |
|
| 64 | -- [[gearbox-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/heatsink-dat/heatsink-dat.md
| ... | ... | @@ -1,24 +0,0 @@ |
| 1 | - |
|
| 2 | -# heatsink-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[PCB-accesories-dat]] |
|
| 6 | - |
|
| 7 | -- [[PMP1013-dat]] - [[PMP1008-dat]] |
|
| 8 | - |
|
| 9 | -- [[PMP1010-dat]] == 11 x 11 mm |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -- Prototype, Mechical Parts, Heat Sink |
|
| 14 | - |
|
| 15 | -Application: Router Heat Sink, CPU Heat Sink |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | -- [[PCB-accesories-dat]] |
|
| 21 | - |
|
| 22 | -## ref |
|
| 23 | - |
|
| 24 | -- [[mechanics-dat]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-parts-dat/hinge-dat/hinge-dat.md
| ... | ... | @@ -1,36 +0,0 @@ |
| 1 | - |
|
| 2 | -# hinge-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[rod-system-dat]] - [[hinge-dat]] - [[rod-tie-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -## info |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | -## mini hinge - wing control |
|
| 15 | - |
|
| 16 | -control by - [[servo-dat]] |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | -## crank vs hinge |
|
| 22 | - |
|
| 23 | -| Item | Crank | Connecting Rod | |
|
| 24 | -|-----------------|--------------------------------|-------------------------------------| |
|
| 25 | -| Main Function | Converts rotation to reciprocation (or reverse) | Transmits force between crank and other parts | |
|
| 26 | -| Mounted on Shaft| Yes (must be fixed on a rotating shaft) | No (usually connected by pins/joints) | |
|
| 27 | -| Shape | Short arm with an offset | Long straight rod | |
|
| 28 | -| Role in Mechanism | Driving element (creates motion) | Linking element (passes motion/force) | |
|
| 29 | - |
|
| 30 | -- [[crank-dat]] |
|
| 31 | - |
|
| 32 | -## ref |
|
| 33 | - |
|
| 34 | -- [[hinge]] - [[mechanical-parts]] |
|
| 35 | - |
|
| 36 | -- [[mechanical-parts-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/hook-crane-dat/2026-02-28-23-50-49.png
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mechanics-dat/mechanical-parts-dat/hook-crane-dat/hook-crane-dat.md
| ... | ... | @@ -1,12 +0,0 @@ |
| 1 | - |
|
| 2 | -# hook-crane-dat |
|
| 3 | - |
|
| 4 | -Crane Hook: 起重机吊钩（最常用，指安装在起重机或葫芦上的钩子）。 |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -- [[tube-dat]] |
|
| 9 | - |
|
| 10 | -## ref |
|
| 11 | - |
|
| 12 | -- [[crane-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/joint-dat/2026-01-09-21-28-14.png
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mechanics-dat/mechanical-parts-dat/joint-dat/joint-dat.md
| ... | ... | @@ -1,6 +0,0 @@ |
| 1 | - |
|
| 2 | -# joint-dat |
|
| 3 | - |
|
| 4 | -## joint-universal |
|
| 5 | - |
|
| 6 | - |
mechanics-dat/mechanical-parts-dat/magnet-dat/magnet-dat.md
| ... | ... | @@ -1,6 +0,0 @@ |
| 1 | - |
|
| 2 | -# magnet-dat |
|
| 3 | - |
|
| 4 | -## ref |
|
| 5 | - |
|
| 6 | -- [[magnet]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/mechanical-parts-dat.md
| ... | ... | @@ -1,52 +0,0 @@ |
| 1 | -# mechanical-parts-dat |
|
| 2 | - |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -- [[screw-dat]] |
|
| 7 | - |
|
| 8 | -- [[gear-dat]] - [[bearing-dat]] - [[bracket-dat]] |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -Common standard mechanical parts are roughly divided into: |
|
| 13 | - |
|
| 14 | -Transmission parts (gears, sprockets, couplings) |
|
| 15 | - |
|
| 16 | -Support and positioning parts (pins, sliders, bolts, washers) |
|
| 17 | - |
|
| 18 | -Buffer/Damping parts (springs, dampers, buffer blocks) |
|
| 19 | - |
|
| 20 | -Connecting parts (keys, splines, chains) |
|
| 21 | - |
|
| 22 | -Auxiliary parts (rollers, adjustment screws, circlips) |
|
| 23 | - |
|
| 24 | - |
|
| 25 | -# Comprehensive List of Common Mechanical Standard Parts |
|
| 26 | - |
|
| 27 | -| Type | Function | Common Standard Parts | Usage / Example | Description | |
|
| 28 | -| ------------------------------- | ------------------------------------- | ---------------------------------------- | -------------------------------------------------- | ------------------------------------------------------ | |
|
| 29 | -| **Transmission Parts** | Transmit rotational motion and torque | Gear | Spur gear, helical gear, bevel gear, worm gear | Rotational transmission, change speed/torque direction | |
|
| 30 | -| | | Sprocket / Pulley | Sprocket, timing pulley | Used with chain/belt transmission | |
|
| 31 | -| | | Coupling | Flexible coupling, diaphragm coupling | Connect two shafts, transmit torque | |
|
| 32 | -| | | Universal Joint / Cross Shaft | Universal joint, cross shaft | Change rotation direction | |
|
| 33 | -| **Support & Positioning Parts** | Support rotational or linear motion | Bearing | Ball bearing, roller bearing, plain bearing | Support rotating shaft, reduce friction | |
|
| 34 | -| | | Slider / Rail | Slide rail, linear slider | Support linear motion, precise guidance | |
|
| 35 | -| | | Pin / Pin Shaft | Cylindrical pin, tapered pin | Positioning, support rotating or sliding parts | |
|
| 36 | -| | | Bolt / Nut | Hex bolt, flange nut | Fasten parts | |
|
| 37 | -| | | Washer / Spring Washer | Flat washer, spring washer | Adjust gap, prevent loosening | |
|
| 38 | -| **Buffer / Damping Parts** | Control motion or absorb impact | Buffer Block | Rubber buffer, polyurethane buffer | Absorb impact, limit travel | |
|
| 39 | -| | | Damper | Pneumatic damper, hydraulic damper, rotary damper | Control motion speed, slow movement | |
|
| 40 | -| | | Spring | Compression spring, tension spring, torsion spring | Provide force, reset, or absorb energy | |
|
| 41 | -| **Connecting Parts** | Fix or transmit torque | Key / Keyway | Flat key, half-round key, wedge key | Fix wheel to shaft, transmit torque | |
|
| 42 | -| | | Spline / Internal-External Spline Sleeve | Spline shaft, spline sleeve | High torque transmission | |
|
| 43 | -| | | Chain / Belt | Roller chain, timing belt | Transmit mechanical motion | |
|
| 44 | -| **Auxiliary Parts** | Assist positioning or movement | Roller / Ball Guide | Ball pulley, roller bearing | Reduce friction, guide sliding | |
|
| 45 | -| | | Adjustment Screw | Ejector screw, fine adjustment screw | Fine-tune position or tension | |
|
| 46 | -| | | Locking Device | Set screw, circlip, retaining ring | Fix rotating or moving parts | |
|
| 47 | - |
|
| 48 | -> Note: |
|
| 49 | -> - "Description" is for understanding usage and application scenarios. |
|
| 50 | -> - All of the above are **standard mechanical parts that can be directly purchased**, widely used in robotics, RC models, mechanical equipment, furniture, automobiles, etc. |
|
| 51 | - |
|
| 52 | -- [[Pneumatic-cylinder-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/nail-dat/nail-dat.md
| ... | ... | @@ -1,11 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# nail-dat |
|
| 4 | - |
|
| 5 | -- [[nail-dat]] - [[screw-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -## ref |
|
| 11 | - |
mechanics-dat/mechanical-parts-dat/rack-dat/2025-10-23-19-52-10.png
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mechanics-dat/mechanical-parts-dat/rack-dat/2025-10-23-19-53-06.png
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mechanics-dat/mechanical-parts-dat/rack-dat/2025-10-23-19-56-15.png
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mechanics-dat/mechanical-parts-dat/rack-dat/2025-10-23-19-57-19.png
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mechanics-dat/mechanical-parts-dat/rack-dat/2025-10-23-20-00-34.png
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mechanics-dat/mechanical-parts-dat/rack-dat/rack-dat.md
| ... | ... | @@ -1,27 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# rack-dat |
|
| 4 | - |
|
| 5 | -## metal hand-like rack |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -## flexible rack |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | -## ball rack |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -## plastic enclosure |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | -## ref |
|
| 26 | - |
|
| 27 | -- [[rack]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/screw-dat/2025-03-07-17-10-00.png
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mechanics-dat/mechanical-parts-dat/screw-dat/2025-03-07-17-11-52.png
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mechanics-dat/mechanical-parts-dat/screw-dat/2025-03-11-16-36-15.png
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mechanics-dat/mechanical-parts-dat/screw-dat/2025-03-13-18-03-58.png
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mechanics-dat/mechanical-parts-dat/screw-dat/2025-09-25-18-25-15.png
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mechanics-dat/mechanical-parts-dat/screw-dat/Heat-Set-Insert-dat/2025-09-26-16-52-49.png
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mechanics-dat/mechanical-parts-dat/screw-dat/Heat-Set-Insert-dat/2025-09-26-16-53-49.png
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mechanics-dat/mechanical-parts-dat/screw-dat/Heat-Set-Insert-dat/Heat-Set-Insert-dat.md
| ... | ... | @@ -1,787 +0,0 @@ |
| 1 | - |
|
| 2 | -# Heat-Set-Insert-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -- [[nut-dat]] |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -# Insert-Heat-set-threaded-dat |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -- [[Insert-Heat-set-threaded-dat]] |
|
| 19 | - |
|
| 20 | -## Recommended Heat-Set Brass Insert Sizes (M4) |
|
| 21 | - |
|
| 22 | -Assumptions: |
|
| 23 | -- Common thermoplastics (ABS / PETG / PA) |
|
| 24 | -- Goal: balanced pull-out & torque strength |
|
| 25 | -- Rule: insert length ≈ 80–90% of sheet thickness |
|
| 26 | - |
|
| 27 | -| Sheet Thickness | Recommended Insert Length | Recommended OD Range | Notes | |
|
| 28 | -|-----------------|--------------------------|----------------------|-------| |
|
| 29 | -| 4 mm | 3.0 – 3.5 mm | 6.0 – 6.6 mm | Thin sheet → limit OD | |
|
| 30 | -| 5 mm | 4.0 – 4.5 mm | 6.6 – 7.2 mm | Typical standard | |
|
| 31 | -| 6 mm | 5.0 – 5.5 mm | 7.0 – 7.8 mm | High strength | |
|
| 32 | - |
|
| 33 | -- M4*3*6【20个】 |
|
| 34 | -- M4*4*6【20个】 |
|
| 35 | -- M4*5*6【20个】 |
|
| 36 | -- M4*5.5*6【20个】 |
|
| 37 | - |
|
| 38 | - |
|
| 39 | -## Recommended Heat-Set Brass Insert Sizes (M3) |
|
| 40 | - |
|
| 41 | -Assumptions: |
|
| 42 | -- Common thermoplastics (ABS / PETG / PA) |
|
| 43 | -- Goal: balanced pull-out & torque strength |
|
| 44 | -- Rule: insert length ≈ 80–90% of sheet thickness |
|
| 45 | - |
|
| 46 | -| Sheet Thickness | Recommended Insert Length | Recommended OD Range | Notes | |
|
| 47 | -| --------------- | ------------------------- | -------------------- | ---------------------- | |
|
| 48 | -| 4 mm | 3.0 – 3.5 mm | 4.4 – 4.8 mm | Avoid OD > 5.0 mm | |
|
| 49 | -| 5 mm | 4.0 – 4.5 mm | 4.8 – 5.4 mm | Best balance | |
|
| 50 | -| 6 mm | 5.0 – 5.5 mm | 5.2 – 6.0 mm | High pull-out strength | |
|
| 51 | - |
|
| 52 | - |
|
| 53 | - |
|
| 54 | -## M3 Insert Specifications |
|
| 55 | - |
|
| 56 | -| Thread Size | L | OD | | |
|
| 57 | -| ----------- | ---- | --- | -------- | |
|
| 58 | -| M3 | 2.5 | 4.0 | | |
|
| 59 | -| M3 | 3.0 | 4.0 | | |
|
| 60 | -| M3 | 3.5 | 4.0 | | |
|
| 61 | -| M3 | 4.0 | 4.0 | | |
|
| 62 | -| M3 | 4.5 | 4.0 | | |
|
| 63 | -| M3 | 5.0 | 4.0 | | |
|
| 64 | -| M3 | 5.5 | 4.0 | | |
|
| 65 | -| M3 | 6.0 | 4.0 | | |
|
| 66 | -| M3 | 7.0 | 4.0 | | |
|
| 67 | -| M3 | 8.0 | 4.0 | | |
|
| 68 | -| M3 | 9.0 | 4.0 | | |
|
| 69 | -| M3 | 10.0 | 4.0 | | |
|
| 70 | -| M3 | 3.0 | 4.2 | | |
|
| 71 | -| M3 | 4.0 | 4.2 | | |
|
| 72 | -| M3 | 5.0 | 4.2 | | |
|
| 73 | -| M3 | 6.0 | 4.2 | | |
|
| 74 | -| M3 | 7.0 | 4.2 | | |
|
| 75 | -| M3 | 8.0 | 4.2 | | |
|
| 76 | -| M3 | 9.0 | 4.2 | | |
|
| 77 | -| M3 | 10.0 | 4.2 | | |
|
| 78 | -| M3 | 3.0 | 4.5 | | |
|
| 79 | -| M3 | 3.5 | 4.5 | M4 sheet | |
|
| 80 | -| M3 | 3.6 | 4.5 | | |
|
| 81 | -| M3 | 4.0 | 4.5 | | |
|
| 82 | -| M3 | 4.5 | 4.5 | | |
|
| 83 | -| M3 | 5.0 | 4.5 | | |
|
| 84 | -| M3 | 6.0 | 4.5 | | |
|
| 85 | -| M3 | 7.0 | 4.5 | | |
|
| 86 | -| M3 | 8.0 | 4.5 | | |
|
| 87 | -| M3 | 9.0 | 4.5 | | |
|
| 88 | -| M3 | 10.0 | 4.5 | | |
|
| 89 | -| M3 | 12.0 | 4.5 | | |
|
| 90 | -| M3 | 3.0 | 4.6 | | |
|
| 91 | -| M3 | 3.5 | 4.6 | | |
|
| 92 | -| M3 | 4.0 | 4.6 | | |
|
| 93 | -| M3 | 4.5 | 4.6 | | |
|
| 94 | -| M3 | 5.0 | 4.6 | | |
|
| 95 | -| M3 | 5.5 | 4.6 | | |
|
| 96 | -| M3 | 5.7 | 4.6 | | |
|
| 97 | -| M3 | 6.0 | 4.6 | | |
|
| 98 | -| M3 | 7.0 | 4.6 | | |
|
| 99 | -| M3 | 8.0 | 4.6 | | |
|
| 100 | -| M3 | 9.0 | 4.6 | | |
|
| 101 | -| M3 | 10.0 | 4.6 | | |
|
| 102 | -| M3 | 3.0 | 5.0 | | |
|
| 103 | -| M3 | 3.5 | 5.0 | | |
|
| 104 | -| M3 | 4.0 | 5.0 | | |
|
| 105 | -| M3 | 4.5 | 5.0 | M5 sheet | |
|
| 106 | -| M3 | 5.0 | 5.0 | | |
|
| 107 | -| M3 | 5.5 | 5.0 | M6 sheet | |
|
| 108 | -| M3 | 6.0 | 5.0 | | |
|
| 109 | -| M3 | 6.5 | 5.0 | | |
|
| 110 | -| M3 | 7.0 | 5.0 | | |
|
| 111 | -| M3 | 7.5 | 5.0 | | |
|
| 112 | -| M3 | 8.0 | 5.0 | | |
|
| 113 | -| M3 | 9.0 | 5.0 | | |
|
| 114 | -| M3 | 10.0 | 5.0 | | |
|
| 115 | -| M3 | 12.0 | 5.0 | | |
|
| 116 | -| M3 | 4.0 | 5.5 | | |
|
| 117 | -| M3 | 5.0 | 5.5 | | |
|
| 118 | -| M3 | 6.0 | 5.5 | | |
|
| 119 | -| M3 | 8.0 | 5.5 | | |
|
| 120 | - |
|
| 121 | -## Installation Guidelines |
|
| 122 | - |
|
| 123 | -- **Recommended Hole Size**: For M3 inserts, typically use 4.0-4.5mm pilot hole (varies by outer diameter) |
|
| 124 | -- **Installation Method**: Heat the insert with a soldering iron and press into the pre-drilled hole |
|
| 125 | -- **Material**: Best used with plastics (ABS, PLA, PETG, Nylon, etc.) |
|
| 126 | -- **Temperature**: 200-250°C for most plastics |
|
| 127 | - |
|
| 128 | - |
|
| 129 | - |
|
| 130 | -## OD |
|
| 131 | - |
|
| 132 | -a larger OD (outer diameter) generally gives higher strength for a heat-set brass threaded insert, but only up to a limit, especially when the sheet thickness is fixed. |
|
| 133 | - |
|
| 134 | -Below is a clear engineering-style explanation 👇 |
|
| 135 | - |
|
| 136 | -1. Why bigger OD helps (in theory) |
|
| 137 | - |
|
| 138 | -When sheet thickness is fixed, increasing insert OD: |
|
| 139 | - |
|
| 140 | -✔ Increases contact surface area with plastic |
|
| 141 | - |
|
| 142 | -✔ Increases shear area → better pull-out resistance |
|
| 143 | - |
|
| 144 | -✔ Reduces stress concentration around the insert |
|
| 145 | - |
|
| 146 | -✔ Improves torque resistance (anti-spin) |
|
| 147 | - |
|
| 148 | -So pull-out strength and torque strength both improve as OD increases. |
|
| 149 | - |
|
| 150 | -2. The practical limit (very important) |
|
| 151 | - |
|
| 152 | -When the sheet is thin, too large an OD becomes counter-productive. |
|
| 153 | - |
|
| 154 | -Problems if OD is too large: |
|
| 155 | - |
|
| 156 | -❌ Insufficient plastic wall thickness |
|
| 157 | - |
|
| 158 | -❌ Plastic may: |
|
| 159 | - |
|
| 160 | -Bulge |
|
| 161 | - |
|
| 162 | -Crack |
|
| 163 | - |
|
| 164 | -Weaken due to overheating |
|
| 165 | - |
|
| 166 | -❌ Insert may print through or distort the sheet |
|
| 167 | - |
|
| 168 | -❌ Strength plateaus or even drops |
|
| 169 | - |
|
| 170 | -3. Key rule of thumb (industry practice) |
|
| 171 | - |
|
| 172 | -For thermoplastics (ABS, PETG, PA, PC): |
|
| 173 | - |
|
| 174 | - Minimum plastic wall thickness ≥ 0.5 × insert OD |
|
| 175 | - |
|
| 176 | - |
|
| 177 | -And for sheet thickness: |
|
| 178 | - |
|
| 179 | - Insert length ≤ 0.8–0.9 × sheet thickness |
|
| 180 | - |
|
| 181 | - |
|
| 182 | -If you violate either rule, increasing OD does NOT improve strength. |
|
| 183 | - |
|
| 184 | -## Best strength strategy when thickness is fixed |
|
| 185 | - |
|
| 186 | -If sheet thickness cannot change: |
|
| 187 | - |
|
| 188 | -Priority order for strength improvement |
|
| 189 | - |
|
| 190 | -- Correct insert length (close to sheet thickness) |
|
| 191 | -- Knurled / helical / diamond OD geometry |
|
| 192 | -- Proper hole diameter (not oversized) |
|
| 193 | -- Controlled heating temperature |
|
| 194 | -- Then increase OD — only within wall-thickness limits |
|
| 195 | - |
|
| 196 | - |
|
| 197 | - |
|
| 198 | - |
|
| 199 | - |
|
| 200 | -## specs |
|
| 201 | - |
|
| 202 | -M1*1.5*2【50个】 |
|
| 203 | - |
|
| 204 | -M1*1.8*2【50个】 |
|
| 205 | - |
|
| 206 | -M1*2*2【50个】 |
|
| 207 | - |
|
| 208 | -M1*2.5*2【50个】 |
|
| 209 | - |
|
| 210 | -M1.2*1.5*2【50个】 |
|
| 211 | - |
|
| 212 | -M1.2*1.8*2【50个】 |
|
| 213 | - |
|
| 214 | -M1.2*2*2【50个】 |
|
| 215 | - |
|
| 216 | -M1.2*2.5*2【50个】 |
|
| 217 | - |
|
| 218 | -M1.2*3*2【50个】 |
|
| 219 | - |
|
| 220 | -M1.4*1.5*2.3【50个】 |
|
| 221 | - |
|
| 222 | -M1.4*2*2.3【50个】 |
|
| 223 | - |
|
| 224 | -M1.4*2.5*2.3【50个】 |
|
| 225 | - |
|
| 226 | -M1.4*3*2.3【50个】 |
|
| 227 | - |
|
| 228 | -M1.4*1.8*2.3【50个】 |
|
| 229 | - |
|
| 230 | -M1.4*4*2.3【50个】 |
|
| 231 | - |
|
| 232 | -M1.4*2.3*2.3【50个】 |
|
| 233 | - |
|
| 234 | -M1.4*5*2.3【50个】 |
|
| 235 | - |
|
| 236 | -M1.4*6*2.3【50个】 |
|
| 237 | - |
|
| 238 | -M1.6*2*2.5【50个】 |
|
| 239 | - |
|
| 240 | -M1.6*2.5*2.5【50个】 |
|
| 241 | - |
|
| 242 | -M1.6*3*2.5【50个】 |
|
| 243 | - |
|
| 244 | -M1.6*4*2.5【50个】 |
|
| 245 | - |
|
| 246 | -M1.6*5*2.5【50个】 |
|
| 247 | - |
|
| 248 | -M1.6*6*2.5【50个】 |
|
| 249 | - |
|
| 250 | -M1.7*2*2.5【50个】 |
|
| 251 | - |
|
| 252 | -M1.7*2.5*2.5【50个】 |
|
| 253 | - |
|
| 254 | -M1.7*3*2.5【50个】 |
|
| 255 | - |
|
| 256 | -M1.7*4*2.5【50个】 |
|
| 257 | - |
|
| 258 | -M1.7*5*2.5【50个】 |
|
| 259 | - |
|
| 260 | -M1.7*6*2.5【50个】 |
|
| 261 | - |
|
| 262 | -M2*2*3【50个】 |
|
| 263 | - |
|
| 264 | -M2*2.5*3【50个】 |
|
| 265 | - |
|
| 266 | -M2*3*3【50个】 |
|
| 267 | - |
|
| 268 | -M2*3.5*3【50个】 |
|
| 269 | - |
|
| 270 | -M2*4*3【50个】 |
|
| 271 | - |
|
| 272 | -M2*4.5*3【50个】 |
|
| 273 | - |
|
| 274 | -M2*5*3【50个】 |
|
| 275 | - |
|
| 276 | -M2*6*3【50个】 |
|
| 277 | - |
|
| 278 | -M2*2*3.2【50个】 |
|
| 279 | - |
|
| 280 | -M2*2.5*3.2【50个】 |
|
| 281 | - |
|
| 282 | -M2*3*3.2【50个】 |
|
| 283 | - |
|
| 284 | -M2*3.6*3.2【50个】 |
|
| 285 | - |
|
| 286 | -M2*4*3.2【50个】 |
|
| 287 | - |
|
| 288 | -M2*5*3.2【50个】 |
|
| 289 | - |
|
| 290 | -M2*6*3.2【20个】 |
|
| 291 | - |
|
| 292 | -M2*8*3.2【50个】 |
|
| 293 | - |
|
| 294 | -M2*3.5*3.2【50个】 |
|
| 295 | - |
|
| 296 | -M2*10*3.2【20个】 |
|
| 297 | - |
|
| 298 | -M2*2*3.5【50个】 |
|
| 299 | - |
|
| 300 | -M2*2.5*3.5【50个】 |
|
| 301 | - |
|
| 302 | -M2*3*3.5【50个】 |
|
| 303 | - |
|
| 304 | -M2*3.5*3.5【50个】 |
|
| 305 | - |
|
| 306 | -M2*4*3.5【50个】 |
|
| 307 | - |
|
| 308 | -M2*4.5*3.5【50个】 |
|
| 309 | - |
|
| 310 | -M2*5*3.5【50个】 |
|
| 311 | - |
|
| 312 | -M2*5.5*3.5【20个】 |
|
| 313 | - |
|
| 314 | -M2*6*3.5【20个】 |
|
| 315 | - |
|
| 316 | -M2*7*3.5【20个】 |
|
| 317 | - |
|
| 318 | -M2*8*3.5【20个】 |
|
| 319 | - |
|
| 320 | -M2*9*3.5【20个】 |
|
| 321 | - |
|
| 322 | -M2*10*3.5【10个】 |
|
| 323 | - |
|
| 324 | -M2*2*4【50个】 |
|
| 325 | - |
|
| 326 | -M2*3*4【50个】 |
|
| 327 | - |
|
| 328 | -M2*4*4【50个】 |
|
| 329 | - |
|
| 330 | -M2*5*4【20个】 |
|
| 331 | - |
|
| 332 | -M2*6*4【20个】 |
|
| 333 | - |
|
| 334 | -M2*8*4【20个】 |
|
| 335 | - |
|
| 336 | -M2.5*2*3.5【50个】 |
|
| 337 | - |
|
| 338 | -M2.5*2.5*3.5【50个】 |
|
| 339 | - |
|
| 340 | -M2.5*3*3.5【50个】 |
|
| 341 | - |
|
| 342 | -M2.5*3.5*3.5【50个】 |
|
| 343 | - |
|
| 344 | -M2.5*4*3.5【50个】 |
|
| 345 | - |
|
| 346 | -M2.5*4.5*3.5【50个】 |
|
| 347 | - |
|
| 348 | -M2.5*5*3.5【50个】 |
|
| 349 | - |
|
| 350 | -M2.5*5.5*3.5【50个】 |
|
| 351 | - |
|
| 352 | -M2.5*6*3.5【20个】 |
|
| 353 | - |
|
| 354 | -M2.5*8*3.5【20个】 |
|
| 355 | - |
|
| 356 | -M2.5*7*3.5【20个】 |
|
| 357 | - |
|
| 358 | -M2.5*10*3.5【20个】 |
|
| 359 | - |
|
| 360 | -M2.5*3*4【50个】 |
|
| 361 | - |
|
| 362 | -M2.5*3.5*4【50个】 |
|
| 363 | - |
|
| 364 | -M2.5*4*4【50个】 |
|
| 365 | - |
|
| 366 | -M2.5*5*4【20个】 |
|
| 367 | - |
|
| 368 | -M2.5*6*4【20个】 |
|
| 369 | - |
|
| 370 | -M2.5*8*4【20个】 |
|
| 371 | - |
|
| 372 | -M2.5*10*4【20个】 |
|
| 373 | - |
|
| 374 | -M2.5*4*4.5【20个】 |
|
| 375 | - |
|
| 376 | -M2.5*5*4.5【20个】 |
|
| 377 | - |
|
| 378 | -M2.5*6*4.5【20个】 |
|
| 379 | - |
|
| 380 | -M2.5*8*4.5【20个】 |
|
| 381 | - |
|
| 382 | -M3*2.5*4【50个】 |
|
| 383 | - |
|
| 384 | -M3*3*4【50个】 |
|
| 385 | - |
|
| 386 | -M3*3.5*4【50个】 |
|
| 387 | - |
|
| 388 | -M3*4*4【50个】 |
|
| 389 | - |
|
| 390 | -M3*4.5*4【50个】 |
|
| 391 | - |
|
| 392 | -M3*5*4【50个】 |
|
| 393 | - |
|
| 394 | -M3*5.5*4【20个】 |
|
| 395 | - |
|
| 396 | -M3*6*4【20个】 |
|
| 397 | - |
|
| 398 | -M3*7*4【20个】 |
|
| 399 | - |
|
| 400 | -M3*8*4【20个】 |
|
| 401 | - |
|
| 402 | -M3*9*4【20个】 |
|
| 403 | - |
|
| 404 | -M3*10*4【20个】 |
|
| 405 | - |
|
| 406 | -M3*3*4.2【50个】 |
|
| 407 | - |
|
| 408 | -M3*4*4.2【50个】 |
|
| 409 | - |
|
| 410 | -M3*5*4.2【50个】 |
|
| 411 | - |
|
| 412 | -M3*6*4.2【20个】 |
|
| 413 | - |
|
| 414 | -M3*7*4.2【20个】 |
|
| 415 | - |
|
| 416 | -M3*8*4.2【20个】 |
|
| 417 | - |
|
| 418 | -M3*9*4.2【20个】 |
|
| 419 | - |
|
| 420 | -M3*10*4.2【20个】 |
|
| 421 | - |
|
| 422 | -M3*3*4.5【50个】 |
|
| 423 | - |
|
| 424 | -M3*3.5*4.5【50个】 |
|
| 425 | - |
|
| 426 | -M3*3.6*4.5【50个】 |
|
| 427 | - |
|
| 428 | -M3*4*4.5【50个】 |
|
| 429 | - |
|
| 430 | -M3*4.5*4.5【20个】 |
|
| 431 | - |
|
| 432 | -M3*5*4.5【20个】 |
|
| 433 | - |
|
| 434 | -M3*6*4.5【20个】 |
|
| 435 | - |
|
| 436 | -M3*7*4.5【20个】 |
|
| 437 | - |
|
| 438 | -M3*8*4.5【20个】 |
|
| 439 | - |
|
| 440 | -M3*9*4.5【10个】 |
|
| 441 | - |
|
| 442 | -M3*10*4.5【10个】 |
|
| 443 | - |
|
| 444 | -M3*12*4.5【10个】 |
|
| 445 | - |
|
| 446 | -M3*3*5【20个】 |
|
| 447 | - |
|
| 448 | -M3*3.5*5【20个】 |
|
| 449 | - |
|
| 450 | -M3*4*5【20个】 |
|
| 451 | - |
|
| 452 | -M3*4.5*5【20个】 |
|
| 453 | - |
|
| 454 | -M3*5*5【20个】 |
|
| 455 | - |
|
| 456 | -M3*5.5*5【20个】 |
|
| 457 | - |
|
| 458 | -M3*6*5【20个】 |
|
| 459 | - |
|
| 460 | -M3*6.5*5【20个】 |
|
| 461 | - |
|
| 462 | -M3*7*5【20个】 |
|
| 463 | - |
|
| 464 | -M3*7.5*5【20个】 |
|
| 465 | - |
|
| 466 | -M3*8*5【20个】 |
|
| 467 | - |
|
| 468 | -M3*9*5【10个】 |
|
| 469 | - |
|
| 470 | -M3*10*5【10个】 |
|
| 471 | - |
|
| 472 | -M3*12*5【10个】 |
|
| 473 | - |
|
| 474 | -M3*3*4.6【20个】 |
|
| 475 | - |
|
| 476 | -M3*3.5*4.6【20个】 |
|
| 477 | - |
|
| 478 | -M3*4*4.6【20个】 |
|
| 479 | - |
|
| 480 | -M3*4.5*4.6【20个】 |
|
| 481 | - |
|
| 482 | -M3*5*4.6【20个】 |
|
| 483 | - |
|
| 484 | -M3*5.5*4.6【20个】 |
|
| 485 | - |
|
| 486 | -M3*5.7*4.6【20个】 |
|
| 487 | - |
|
| 488 | -M3*6*4.6【20个】 |
|
| 489 | - |
|
| 490 | -M3*7*4.6【20个】 |
|
| 491 | - |
|
| 492 | -M3*8*4.6【20个】 |
|
| 493 | - |
|
| 494 | -M3*9*4.6【20个】 |
|
| 495 | - |
|
| 496 | -M3*10*4.6【10个】 |
|
| 497 | - |
|
| 498 | -M3*4*5.5【20个】 |
|
| 499 | - |
|
| 500 | -M3*5*5.5【20个】 |
|
| 501 | - |
|
| 502 | -M3*6*5.5【20个】 |
|
| 503 | - |
|
| 504 | -M3*8*5.5【10个】 |
|
| 505 | - |
|
| 506 | -M4*3*5【20个】 |
|
| 507 | - |
|
| 508 | -M4*4*5【20个】 |
|
| 509 | - |
|
| 510 | -M4*5*5【20个】 |
|
| 511 | - |
|
| 512 | -M4*6*5【20个】 |
|
| 513 | - |
|
| 514 | -M4*7*5【20个】 |
|
| 515 | - |
|
| 516 | -M4*8*5【20个】 |
|
| 517 | - |
|
| 518 | -M4*9*5【10个】 |
|
| 519 | - |
|
| 520 | -M4*10*5【10个】 |
|
| 521 | - |
|
| 522 | -M4*12*5【10个】 |
|
| 523 | - |
|
| 524 | -M4*4*5.5【20个】 |
|
| 525 | - |
|
| 526 | -M4*5*5.5【20个】 |
|
| 527 | - |
|
| 528 | -M4*6*5.5【20个】 |
|
| 529 | - |
|
| 530 | -M4*7*5.5【10个】 |
|
| 531 | - |
|
| 532 | -M4*8*5.5【10个】 |
|
| 533 | - |
|
| 534 | -M4*10*5.5【10个】 |
|
| 535 | - |
|
| 536 | -M4*3*6【20个】 |
|
| 537 | - |
|
| 538 | -M4*4*6【20个】 |
|
| 539 | - |
|
| 540 | -M4*5*6【20个】 |
|
| 541 | - |
|
| 542 | -M4*5.5*6【20个】 |
|
| 543 | - |
|
| 544 | -M4*6*6【20个】 |
|
| 545 | - |
|
| 546 | -M4*6.5*6【10个】 |
|
| 547 | - |
|
| 548 | -M4*7*6【10个】 |
|
| 549 | - |
|
| 550 | -M4*7.5*6【10个】 |
|
| 551 | - |
|
| 552 | -M4*8*6【10个】 |
|
| 553 | - |
|
| 554 | -M4*9*6【10个】 |
|
| 555 | - |
|
| 556 | -M4*10*6【10个】 |
|
| 557 | - |
|
| 558 | -M4*12*6【10个】 |
|
| 559 | - |
|
| 560 | -M4*15*6【5个】 |
|
| 561 | - |
|
| 562 | -M4*8.1*6.3【10个】 |
|
| 563 | - |
|
| 564 | -M4*5*6.5【10个】 |
|
| 565 | - |
|
| 566 | -M4*6*6.5【10个】 |
|
| 567 | - |
|
| 568 | -M4*7*6.5【10个】 |
|
| 569 | - |
|
| 570 | -M4*8*6.5【10个】 |
|
| 571 | - |
|
| 572 | -M4*10*6.5【10个】 |
|
| 573 | - |
|
| 574 | -M4*4*7【10个】 |
|
| 575 | - |
|
| 576 | -M4*5*7【10个】 |
|
| 577 | - |
|
| 578 | -M4*6*7【10个】 |
|
| 579 | - |
|
| 580 | -M4*7*7【10个】 |
|
| 581 | - |
|
| 582 | -M4*8*7【10个】 |
|
| 583 | - |
|
| 584 | -M4*10*7【5个】 |
|
| 585 | - |
|
| 586 | -M4*12*7【5个】 |
|
| 587 | - |
|
| 588 | -M5*4*7【10个】 |
|
| 589 | - |
|
| 590 | -M5*5*7【10个】 |
|
| 591 | - |
|
| 592 | -M5*6*7【10个】 |
|
| 593 | - |
|
| 594 | -M5*6.5*7【10个】 |
|
| 595 | - |
|
| 596 | -M5*7*7【10个】 |
|
| 597 | - |
|
| 598 | -M5*7.5*7【10个】 |
|
| 599 | - |
|
| 600 | -M5*8*7【10个】 |
|
| 601 | - |
|
| 602 | -M5*8.5*7【10个】 |
|
| 603 | - |
|
| 604 | -M5*9*7【10个】 |
|
| 605 | - |
|
| 606 | -M5*9.5*7【10个】 |
|
| 607 | - |
|
| 608 | -M5*10*7【10个】 |
|
| 609 | - |
|
| 610 | -M5*12*7【5个】 |
|
| 611 | - |
|
| 612 | -M5*15*7【5个】 |
|
| 613 | - |
|
| 614 | -M5*5*7.5【10个】 |
|
| 615 | - |
|
| 616 | -M5*6*7.5【10个】 |
|
| 617 | - |
|
| 618 | -M5*7*7.5【10个】 |
|
| 619 | - |
|
| 620 | -M5*8*7.5【10个】 |
|
| 621 | - |
|
| 622 | -M5*9*7.5【10个】 |
|
| 623 | - |
|
| 624 | -M5*10*7.5【10个】 |
|
| 625 | - |
|
| 626 | -M5*12*7.5【10个】 |
|
| 627 | - |
|
| 628 | -M5*5*8【10个】 |
|
| 629 | - |
|
| 630 | -M5*6*8【10个】 |
|
| 631 | - |
|
| 632 | -M5*7*8【5个】 |
|
| 633 | - |
|
| 634 | -M5*8*8【5个】 |
|
| 635 | - |
|
| 636 | -M5*9*8【5个】 |
|
| 637 | - |
|
| 638 | -M5*10*8【5个】 |
|
| 639 | - |
|
| 640 | -M5*12*8【5个】 |
|
| 641 | - |
|
| 642 | -M6*4*8【10个】 |
|
| 643 | - |
|
| 644 | -M6*5*8【10个】 |
|
| 645 | - |
|
| 646 | -M6*6*8【10个】 |
|
| 647 | - |
|
| 648 | -M6*7*8【10个】 |
|
| 649 | - |
|
| 650 | -M6*8*8【10个】 |
|
| 651 | - |
|
| 652 | -M6*9*8【5个】 |
|
| 653 | - |
|
| 654 | -M6*10*8【5个】 |
|
| 655 | - |
|
| 656 | -M6*12*8【5个】 |
|
| 657 | - |
|
| 658 | -M6*15*8【5个】 |
|
| 659 | - |
|
| 660 | -M6*5*9【10个】 |
|
| 661 | - |
|
| 662 | -M6*6*9【10个】 |
|
| 663 | - |
|
| 664 | -M6*7*9【5个】 |
|
| 665 | - |
|
| 666 | -M6*8*9【5个】 |
|
| 667 | - |
|
| 668 | -M6*9*9【5个】 |
|
| 669 | - |
|
| 670 | -M6*9.5*9【5个】 |
|
| 671 | - |
|
| 672 | -M6*9.5*9.5【5个】 |
|
| 673 | - |
|
| 674 | -M6*10*9【5个】 |
|
| 675 | - |
|
| 676 | -M6*12*9【5个】 |
|
| 677 | - |
|
| 678 | -M8*5*10【5个】 |
|
| 679 | - |
|
| 680 | -M8*6*10【5个】 |
|
| 681 | - |
|
| 682 | -M8*8*10【5个】 |
|
| 683 | - |
|
| 684 | -M8*10*10【5个】 |
|
| 685 | - |
|
| 686 | -M8*12*10【5个】 |
|
| 687 | - |
|
| 688 | -M8*15*10【2个】 |
|
| 689 | - |
|
| 690 | -M10*8*12【5个】 |
|
| 691 | - |
|
| 692 | -M10*10*12【5个】 |
|
| 693 | - |
|
| 694 | -M10*12*12【2个】 |
|
| 695 | - |
|
| 696 | -M10*15*12【2个】 |
|
| 697 | - |
|
| 698 | -2#-56*1/8*3.5【50个】 |
|
| 699 | - |
|
| 700 | -2#-56*5/32*3.5【50个】 |
|
| 701 | - |
|
| 702 | -2#-56*3/16*3.5【50个】 |
|
| 703 | - |
|
| 704 | -2#-56*7/32*3.5【20个】 |
|
| 705 | - |
|
| 706 | -2#-56*1/4*3.5【20个】 |
|
| 707 | - |
|
| 708 | -4#-40*1/8*4.6【20个】 |
|
| 709 | - |
|
| 710 | -4#-40*5/32*4.6【20个】 |
|
| 711 | - |
|
| 712 | -4#-40*3/16*4.6【20个】 |
|
| 713 | - |
|
| 714 | -4#-40*7/32*4.6【20个】 |
|
| 715 | - |
|
| 716 | -4#-40*1/4*4.6【20个】 |
|
| 717 | - |
|
| 718 | -4#-40*9/32*4.6【20个】 |
|
| 719 | - |
|
| 720 | -4#-40*5/16*4.6【20个】 |
|
| 721 | - |
|
| 722 | -6#-32*5/32*5.4【20个】 |
|
| 723 | - |
|
| 724 | -6#-32*3/16*5.4【20个】 |
|
| 725 | - |
|
| 726 | -6#-32*7/32*5.4【20个】 |
|
| 727 | - |
|
| 728 | -6#-32*1/4*5.4【20个】 |
|
| 729 | - |
|
| 730 | -6#-32*9/32*5.4【10个】 |
|
| 731 | - |
|
| 732 | -6#-32*5/16*5.4【10个】 |
|
| 733 | - |
|
| 734 | -6#-32*3/8*5.4【10个】 |
|
| 735 | - |
|
| 736 | -6#-32*1/2*5.4【10个】 |
|
| 737 | - |
|
| 738 | -8#-32*5/32*6.3【20个】 |
|
| 739 | - |
|
| 740 | -8#-32*3/16*6.3【10个】 |
|
| 741 | - |
|
| 742 | -8#-32*7/32*6.3【10个】 |
|
| 743 | - |
|
| 744 | -8#-32*1/4*6.3【10个】 |
|
| 745 | - |
|
| 746 | -8#-32*9/32*6.3【10个】 |
|
| 747 | - |
|
| 748 | -8#-32*5/16*6.3【10个】 |
|
| 749 | - |
|
| 750 | -8#-32*3/8*6.3【10个】 |
|
| 751 | - |
|
| 752 | -8#-32*7/16*6.3【5个】 |
|
| 753 | - |
|
| 754 | -8#-32*1/2*6.3【5个】 |
|
| 755 | - |
|
| 756 | -10#-32*3/16*7.1【10个】 |
|
| 757 | - |
|
| 758 | -10#-32*7/32*7.1【10个】 |
|
| 759 | - |
|
| 760 | -10#-32*1/4*7.1【10个】 |
|
| 761 | - |
|
| 762 | -10#-32*9/32*7.1【10个】 |
|
| 763 | - |
|
| 764 | -10#-32*5/16*7.1【10个】 |
|
| 765 | - |
|
| 766 | -10#-32*3/8*7.1【10个】 |
|
| 767 | - |
|
| 768 | -10#-32*7/16*7.1【5个】 |
|
| 769 | - |
|
| 770 | -10#-32*1/2*7.1【5个】 |
|
| 771 | - |
|
| 772 | -1/4-20*5*8【10个】 |
|
| 773 | - |
|
| 774 | -1/4-20*6*8【10个】 |
|
| 775 | - |
|
| 776 | -1/4-20*8*8【5个】 |
|
| 777 | - |
|
| 778 | -1/4-20*10*8【5个】 |
|
| 779 | - |
|
| 780 | -1/4-20*12.7*8【5个】 |
|
| 781 | - |
|
| 782 | - |
|
| 783 | - |
|
| 784 | - |
|
| 785 | -## ref |
|
| 786 | - |
|
| 787 | -- [[materials-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/screw-dat/screw-M3-dat/screw-M3-dat.md
| ... | ... | @@ -1,4 +0,0 @@ |
| 1 | - |
|
| 2 | -# screw-M3-dat |
|
| 3 | - |
|
| 4 | -- nut - perpendicular distance - 7 |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/screw-dat/screw-M4-dat/screw-M4-dat.md
| ... | ... | @@ -1,5 +0,0 @@ |
| 1 | - |
|
| 2 | -# screw-M4-dat |
|
| 3 | - |
|
| 4 | -- nut - perpendicular distance - 8 mm |
|
| 5 | -- chamer == 2 mm |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/screw-dat/screw-Self-tapping-dat/2026-03-01-19-08-57.png
| ... | ... | Binary files a/mechanics-dat/mechanical-parts-dat/screw-dat/screw-Self-tapping-dat/2026-03-01-19-08-57.png and /dev/null differ |
mechanics-dat/mechanical-parts-dat/screw-dat/screw-Self-tapping-dat/screw-Self-tapping-dat.md
| ... | ... | @@ -1,485 +0,0 @@ |
| 1 | - |
|
| 2 | -# screw-Self-tapping-dat |
|
| 3 | - |
|
| 4 | -- easy for two layer assembly |
|
| 5 | - |
|
| 6 | -- works for [[plastic-dat]] [[wood-dat]] |
|
| 7 | - |
|
| 8 | -3. 工程语境中的常用表达 |
|
| 9 | - |
|
| 10 | -Pre-drilled hole: 预钻孔（自攻螺钉通常需要一个比螺纹略小的引导孔）。 |
|
| 11 | - |
|
| 12 | -Pilot hole: 引导孔。 |
|
| 13 | - |
|
| 14 | -Thread pitch: 螺距。 |
|
| 15 | - |
|
| 16 | -Course thread: 粗牙螺纹（塑料件常用）。 |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | -## screw into 3d printed parts |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | -## M1~M8 list |
|
| 28 | - |
|
| 29 | - |
|
| 30 | - |
|
| 31 | -- M1x3 [250个] |
|
| 32 | -- M1x4 [250个] |
|
| 33 | -- M1x5 [200个] |
|
| 34 | -- M1x6 [200个] |
|
| 35 | -- M1x7 [200个] |
|
| 36 | -- M1x8 [200个] |
|
| 37 | -- M1x10 [200个] |
|
| 38 | - |
|
| 39 | -- M1.2x3 [250个] |
|
| 40 | -- M1.2x3.5 [200个] |
|
| 41 | -- M1.2x4 [250个] |
|
| 42 | -- M1.2x5 [250个] |
|
| 43 | -- M1.2x6 [250个] |
|
| 44 | -- M1.2x7 [200个] |
|
| 45 | -- M1.2x8 [200个] |
|
| 46 | -- M1.2x10 [200个] |
|
| 47 | - |
|
| 48 | -M1.4 |
|
| 49 | - |
|
| 50 | -- M1.4x3 [250个] |
|
| 51 | -- M1.4x3.5 [200个] |
|
| 52 | -- M1.4x4 [250个] |
|
| 53 | -- M1.4x4.5 [200个] |
|
| 54 | -- M1.4x5 [250个] |
|
| 55 | -- M1.4x6 [250个] |
|
| 56 | -- M1.4x7 [200个] |
|
| 57 | -- M1.4x8 [200个] |
|
| 58 | -- M1.4x10 [200个] |
|
| 59 | -- `M1.4x12` [200个] |
|
| 60 | - |
|
| 61 | -M1.5 |
|
| 62 | - |
|
| 63 | -- M1.5x3 [200个] |
|
| 64 | -- M1.5x4 [100个] |
|
| 65 | -- M1.5x5 [100个] |
|
| 66 | -- M1.5x6 [50个] |
|
| 67 | -- M1.5x8 [200个] |
|
| 68 | -- M1.5x10 [200个] |
|
| 69 | - |
|
| 70 | -M1.6 |
|
| 71 | -- M1.6x3 [200个] |
|
| 72 | -- M1.6x4 [50个] |
|
| 73 | -- M1.6x5 [50个] |
|
| 74 | -- M1.6x6 [50个] |
|
| 75 | -- M1.6x8 [50个] |
|
| 76 | -- M1.6x10 [50个] |
|
| 77 | - |
|
| 78 | -M1.7 |
|
| 79 | -- M1.7x4 [100个] |
|
| 80 | -- M1.7x5 [100个] |
|
| 81 | -- M1.7x6 [100个] |
|
| 82 | -- M1.7x7 [50个] |
|
| 83 | -- M1.7x8 [50个] |
|
| 84 | -- M1.7x9 [200个] |
|
| 85 | -- M1.7x10 [50个] |
|
| 86 | -- M1.7x12 [50个] |
|
| 87 | -- M1.7x14 [50个] |
|
| 88 | -- M1.7x16 [100个] |
|
| 89 | -- M1.7x17 [100个] |
|
| 90 | -- M1.7x18 [100个] |
|
| 91 | -- M1.7x20 [100个] |
|
| 92 | - |
|
| 93 | -M1.8 |
|
| 94 | -- M1.8x4 [200个] |
|
| 95 | -- M1.8x5 [200个] |
|
| 96 | -- M1.8x6 [200个] |
|
| 97 | -- M1.8x8 [150个] |
|
| 98 | -- M1.8x10 [100个] |
|
| 99 | - |
|
| 100 | -M2 |
|
| 101 | -- M2x4 [200个] |
|
| 102 | -- M2x5 [200个] |
|
| 103 | -- M2x6 [200个] |
|
| 104 | -- M2x7 [200个] |
|
| 105 | -- M2x8 [100个] |
|
| 106 | -- M2x9 [200个] |
|
| 107 | -- M2x10 [200个] |
|
| 108 | -- M2x12 [200个] |
|
| 109 | -- M2x14 [200个] |
|
| 110 | -- M2x16 [200个] |
|
| 111 | -- M2x18 [100个] |
|
| 112 | -- M2x20 [100个] |
|
| 113 | -- M2x22 [100个] |
|
| 114 | -- M2x25 [100个] |
|
| 115 | -- M2x30 [50个] |
|
| 116 | - |
|
| 117 | -M2.2 |
|
| 118 | -- M2.2x4 [200个] |
|
| 119 | -- M2.2x5 [200个] |
|
| 120 | -- M2.2x6 [200个] |
|
| 121 | -- M2.2x7 [200个] |
|
| 122 | -- M2.2x8 [200个] |
|
| 123 | -- M2.2x9 [200个] |
|
| 124 | -- M2.2x10 [200个] |
|
| 125 | -- M2.2x12 [200个] |
|
| 126 | -- M2.2x14 [150个] |
|
| 127 | -- M2.2x16 [150个] |
|
| 128 | -- M2.2x18 [100个] |
|
| 129 | -- M2.2x20 [100个] |
|
| 130 | -- M2.2x22 [100个] |
|
| 131 | - |
|
| 132 | -M2.3x4 [200个] |
|
| 133 | - |
|
| 134 | -M2.3x5 [200个] |
|
| 135 | - |
|
| 136 | -M2.3x6 [200个] |
|
| 137 | - |
|
| 138 | -M2.3x7 [200个] |
|
| 139 | - |
|
| 140 | -M2.3x8 [200个] |
|
| 141 | - |
|
| 142 | -M2.3x10 [150个] |
|
| 143 | - |
|
| 144 | -M2.3x12 [100个] |
|
| 145 | - |
|
| 146 | -M2.3x14 [100个] |
|
| 147 | - |
|
| 148 | -M2.3x16 [100个] |
|
| 149 | - |
|
| 150 | -M2.3x18 [100个] |
|
| 151 | - |
|
| 152 | -M2.3x20 [100个] |
|
| 153 | - |
|
| 154 | -M2.5x5 [200个] |
|
| 155 | - |
|
| 156 | -M2.5x6 [200个] |
|
| 157 | - |
|
| 158 | -M2.5x8 [200个] |
|
| 159 | - |
|
| 160 | -M2.5x10 [200个] |
|
| 161 | - |
|
| 162 | -M2.5x12 [150个] |
|
| 163 | - |
|
| 164 | -M2.5x16 [100个] |
|
| 165 | - |
|
| 166 | -M2.5x20 [100个] |
|
| 167 | - |
|
| 168 | -M2.6x5 [200个] |
|
| 169 | - |
|
| 170 | -M2.6x6 [200个] |
|
| 171 | - |
|
| 172 | -M2.6x7 [200个] |
|
| 173 | - |
|
| 174 | -M2.6x8 [200个] |
|
| 175 | - |
|
| 176 | -M2.6x9 [200个] |
|
| 177 | - |
|
| 178 | -M2.6x10 [200个] |
|
| 179 | - |
|
| 180 | -M2.6x12 [150个] |
|
| 181 | - |
|
| 182 | -M2.6x14 [100个] |
|
| 183 | - |
|
| 184 | -M2.6x16 [100个] |
|
| 185 | - |
|
| 186 | -M2.6x18 [100个] |
|
| 187 | - |
|
| 188 | -M2.6x20 [100个] |
|
| 189 | - |
|
| 190 | -M2.6x25 [30个] |
|
| 191 | - |
|
| 192 | -M2.6x30 [30个] |
|
| 193 | - |
|
| 194 | -M3x5 [150个] |
|
| 195 | - |
|
| 196 | -M3x6 [200个] |
|
| 197 | - |
|
| 198 | -M3x7 [200个] |
|
| 199 | - |
|
| 200 | -M3x8 [200个] |
|
| 201 | - |
|
| 202 | -M3x9 [200个] |
|
| 203 | - |
|
| 204 | -M3x10 [200个] |
|
| 205 | - |
|
| 206 | -M3x12 [200个] |
|
| 207 | - |
|
| 208 | -M3x14 [150个] |
|
| 209 | - |
|
| 210 | -M3x15 [40个] |
|
| 211 | - |
|
| 212 | -M3x16 [150个] |
|
| 213 | - |
|
| 214 | -M3x18 [100个] |
|
| 215 | - |
|
| 216 | -M3x20 [100个] |
|
| 217 | - |
|
| 218 | -M3x22 [100个] |
|
| 219 | - |
|
| 220 | -M3x25 [100个] |
|
| 221 | - |
|
| 222 | -M3x30 [100个] |
|
| 223 | - |
|
| 224 | -M3x35 [50个] |
|
| 225 | - |
|
| 226 | -M3x40 [50个] |
|
| 227 | - |
|
| 228 | -M3x45 [50个] |
|
| 229 | - |
|
| 230 | -M3x50 [50个] |
|
| 231 | - |
|
| 232 | -M3x60 [20个] |
|
| 233 | - |
|
| 234 | -M3.5x8 [100个] |
|
| 235 | - |
|
| 236 | -M3.5x10 [100个] |
|
| 237 | - |
|
| 238 | -M3.5x12 [100个] |
|
| 239 | - |
|
| 240 | -M3.5x13 [100个] |
|
| 241 | - |
|
| 242 | -M3.5x14 [100个] |
|
| 243 | - |
|
| 244 | -M3.5x16 [100个] |
|
| 245 | - |
|
| 246 | -M3.5x18 [100个] |
|
| 247 | - |
|
| 248 | -M3.5x20 [100个] |
|
| 249 | - |
|
| 250 | -M3.5x22 [100个] |
|
| 251 | - |
|
| 252 | -M3.5x25 [50个] |
|
| 253 | - |
|
| 254 | -M3.5x30 [50个] |
|
| 255 | - |
|
| 256 | -M3.5x32 [50个] |
|
| 257 | - |
|
| 258 | -M3.5x35 [50个] |
|
| 259 | - |
|
| 260 | -M3.5x38 [40个] |
|
| 261 | - |
|
| 262 | -M3.5x40 [40个] |
|
| 263 | - |
|
| 264 | -M3.5x45 [30个] |
|
| 265 | - |
|
| 266 | -M3.5x50 [30个] |
|
| 267 | - |
|
| 268 | -M3.5x55 [20个] |
|
| 269 | - |
|
| 270 | -M3.5x60 [20个] |
|
| 271 | - |
|
| 272 | -M3.5x65 [20个] |
|
| 273 | - |
|
| 274 | -M3.5x70 [10个] |
|
| 275 | - |
|
| 276 | -M3.5x75 [10个] |
|
| 277 | - |
|
| 278 | -M3.5x80 [10个] |
|
| 279 | - |
|
| 280 | -M3.5x85 [10个] |
|
| 281 | - |
|
| 282 | -M3.5x90 [10个] |
|
| 283 | - |
|
| 284 | -M3.5x95 [10个] |
|
| 285 | - |
|
| 286 | -M3.5x100 [10个] |
|
| 287 | - |
|
| 288 | -M4x6 [50个] |
|
| 289 | - |
|
| 290 | -M4x8 [100个] |
|
| 291 | - |
|
| 292 | -M4x10 [100个] |
|
| 293 | - |
|
| 294 | -M4x12 [100个] |
|
| 295 | - |
|
| 296 | -M4x14 [100个] |
|
| 297 | - |
|
| 298 | -M4x15 [100个] |
|
| 299 | - |
|
| 300 | -M4x16 [100个] |
|
| 301 | - |
|
| 302 | -M4x18 [100个] |
|
| 303 | - |
|
| 304 | -M4x20 [100个] |
|
| 305 | - |
|
| 306 | -M4x22 [50个] |
|
| 307 | - |
|
| 308 | -M4x25 [50个] |
|
| 309 | - |
|
| 310 | -M4x30 [50个] |
|
| 311 | - |
|
| 312 | -M4x32 [50个] |
|
| 313 | - |
|
| 314 | -M4x35 [50个] |
|
| 315 | - |
|
| 316 | -M4x40 [50个] |
|
| 317 | - |
|
| 318 | -M4x45 [30个] |
|
| 319 | - |
|
| 320 | -M4x50 [30个] |
|
| 321 | - |
|
| 322 | -M4x55 [20个] |
|
| 323 | - |
|
| 324 | -M4x60 [20个] |
|
| 325 | - |
|
| 326 | -M4x65 [20个] |
|
| 327 | - |
|
| 328 | -M4x70 [20个] |
|
| 329 | - |
|
| 330 | -M4x75 [20个] |
|
| 331 | - |
|
| 332 | -M4x80 [10个] |
|
| 333 | - |
|
| 334 | -M4x85 [10个] |
|
| 335 | - |
|
| 336 | -M4x90 [10个] |
|
| 337 | - |
|
| 338 | -M4x95 [10个] |
|
| 339 | - |
|
| 340 | -M4x100 [10个] |
|
| 341 | - |
|
| 342 | -M4x110 [5个] |
|
| 343 | - |
|
| 344 | -M4x120 [5个] |
|
| 345 | - |
|
| 346 | -M4x130 [5个] |
|
| 347 | - |
|
| 348 | -M4x140 [5个] |
|
| 349 | - |
|
| 350 | -M4x150 [5个] |
|
| 351 | - |
|
| 352 | -M4x160 [5个] |
|
| 353 | - |
|
| 354 | -M4x170 [5个] |
|
| 355 | - |
|
| 356 | -M4x180 [5个] |
|
| 357 | - |
|
| 358 | -M4x190 [5个] |
|
| 359 | - |
|
| 360 | -M4x200 [5个] |
|
| 361 | - |
|
| 362 | -M5x10 [50个] |
|
| 363 | - |
|
| 364 | -M5x12 [50个] |
|
| 365 | - |
|
| 366 | -M5x14 [50个] |
|
| 367 | - |
|
| 368 | -M5x16 [50个] |
|
| 369 | - |
|
| 370 | -M5x18 [50个] |
|
| 371 | - |
|
| 372 | -M5x20 [50个] |
|
| 373 | - |
|
| 374 | -M5x25 [40个] |
|
| 375 | - |
|
| 376 | -M5x30 [30个] |
|
| 377 | - |
|
| 378 | -M5x35 [30个] |
|
| 379 | - |
|
| 380 | -M5x40 [30个] |
|
| 381 | - |
|
| 382 | -M5x45 [20个] |
|
| 383 | - |
|
| 384 | -M5x50 [20个] |
|
| 385 | - |
|
| 386 | -M5x55 [20个] |
|
| 387 | - |
|
| 388 | -M5x60 [20个] |
|
| 389 | - |
|
| 390 | -M5x65 [10个] |
|
| 391 | - |
|
| 392 | -M5x70 [10个] |
|
| 393 | - |
|
| 394 | -M5x75 [10个] |
|
| 395 | - |
|
| 396 | -M5x80 [10个] |
|
| 397 | - |
|
| 398 | -M5x90 [10个] |
|
| 399 | - |
|
| 400 | -M5x100 [10个] |
|
| 401 | - |
|
| 402 | -M5x110 [5个] |
|
| 403 | - |
|
| 404 | -M5x120 [5个] |
|
| 405 | - |
|
| 406 | -M5x130 [5个] |
|
| 407 | - |
|
| 408 | -M5x140 [5个] |
|
| 409 | - |
|
| 410 | -M5x150 [5个] |
|
| 411 | - |
|
| 412 | -M6x12 [25个] |
|
| 413 | - |
|
| 414 | -M6x14 [25个] |
|
| 415 | - |
|
| 416 | -M6x16 [25个] |
|
| 417 | - |
|
| 418 | -M6x18 [20个] |
|
| 419 | - |
|
| 420 | -M6x20 [20个] |
|
| 421 | - |
|
| 422 | -M6x25 [20个] |
|
| 423 | - |
|
| 424 | -M6x30 [20个] |
|
| 425 | - |
|
| 426 | -M6x35 [20个] |
|
| 427 | - |
|
| 428 | -M6x40 [10个] |
|
| 429 | - |
|
| 430 | -M6x45 [10个] |
|
| 431 | - |
|
| 432 | -M6x50 [10个] |
|
| 433 | - |
|
| 434 | -M6x55 [10个] |
|
| 435 | - |
|
| 436 | -M6x60 [10个] |
|
| 437 | - |
|
| 438 | -M6x65 [10个] |
|
| 439 | - |
|
| 440 | -M6x70 [10个] |
|
| 441 | - |
|
| 442 | -M6x75 [5个] |
|
| 443 | - |
|
| 444 | -M6x80 [5个] |
|
| 445 | - |
|
| 446 | -M6x90 [5个] |
|
| 447 | - |
|
| 448 | -M6x100 [5个] |
|
| 449 | - |
|
| 450 | -M8x16 [10个] |
|
| 451 | - |
|
| 452 | -M8x20 [10个] |
|
| 453 | - |
|
| 454 | -M8x25 [10个] |
|
| 455 | - |
|
| 456 | -M8x30 [10个] |
|
| 457 | - |
|
| 458 | -M8x32 [10个] |
|
| 459 | - |
|
| 460 | -M8x35 [7个] |
|
| 461 | - |
|
| 462 | -M8x40 [7个] |
|
| 463 | - |
|
| 464 | -M8x45 [5个] |
|
| 465 | - |
|
| 466 | -M8x50 [5个] |
|
| 467 | - |
|
| 468 | -M8x55 [5个] |
|
| 469 | - |
|
| 470 | -M8x60 [5个] |
|
| 471 | - |
|
| 472 | -M8x70 [5个] |
|
| 473 | - |
|
| 474 | -M8x80 [5个] |
|
| 475 | - |
|
| 476 | -M8x90 [4个] |
|
| 477 | - |
|
| 478 | -M8x100 [4个] |
|
| 479 | - |
|
| 480 | -## ref |
|
| 481 | - |
|
| 482 | -- [[screw-dat]] |
|
| 483 | - |
|
| 484 | -- [[robotpet-10]] |
|
| 485 | - |
mechanics-dat/mechanical-parts-dat/screw-dat/screw-dat.md
| ... | ... | @@ -1,244 +0,0 @@ |
| 1 | - |
|
| 2 | -# screws-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[screw-magnetic-dat]] |
|
| 6 | - |
|
| 7 | -- [[nail-dat]] - [[screw-dat]] - [[thread-dat]] |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -- [[Heat-Set-Insert-dat]] |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -## drivers |
|
| 14 | - |
|
| 15 | -- [[screw-dat]] |
|
| 16 | - |
|
| 17 | -- [[tools-power-socket-dat]] - [[hex-key-dat]] |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | -## types |
|
| 24 | - |
|
| 25 | -- [[screws]] |
|
| 26 | - |
|
| 27 | - |
|
| 28 | -- [[screw-large-head-dat]] |
|
| 29 | - |
|
| 30 | -- [[screw-uncommon-dat]] |
|
| 31 | - |
|
| 32 | -- M3x10 |
|
| 33 | -- M5x10 |
|
| 34 | - |
|
| 35 | -- M16 |
|
| 36 | -- M25 == ￠25*M20*200(1颗) |
|
| 37 | -- M100螺栓 150mm-800mm == 240 |
|
| 38 | -- M120螺栓 200mm-800mm |
|
| 39 | - |
|
| 40 | -- [[hex-key-dat]] |
|
| 41 | - |
|
| 42 | - |
|
| 43 | - |
|
| 44 | - |
|
| 45 | - |
|
| 46 | - |
|
| 47 | - |
|
| 48 | -## common combination |
|
| 49 | - |
|
| 50 | -- [[screws-dat]] + [[nut-dat]] + [[washer-spring-dat]] + [[washer-flat-dat]] |
|
| 51 | - |
|
| 52 | - |
|
| 53 | - |
|
| 54 | - |
|
| 55 | -## bolt and screw |
|
| 56 | - |
|
| 57 | -| Feature | Bolt | Screw | |
|
| 58 | -| --------------------- | -------------------------------------------------- | ------------------------------------------------------------------- | |
|
| 59 | -| **Usage** | Used with a **nut** or threaded hole | Often used **without a nut**, threads into material directly | |
|
| 60 | -| **Holding Mechanism** | Relies on **external nut** for clamping force | Creates clamping force by threading directly into the material | |
|
| 61 | -| **Tools Used** | Typically needs a **wrench** or **socket** | Often driven by **screwdriver** or **Allen key** | |
|
| 62 | -| **Installation** | Requires access to **both sides** (to tighten nut) | Can often be installed from **one side** only | |
|
| 63 | -| **Thread Type** | Usually has a **blunt end** and uniform threads | Often has **pointed or tapered end**, cutting threads into material | |
|
| 64 | -| **Common Example** | Hex bolt with nut on the other end | Wood screw going into wood directly | |
|
| 65 | - |
|
| 66 | - |
|
| 67 | - |
|
| 68 | -## fit size |
|
| 69 | - |
|
| 70 | -### Common Screw Size Reference |
|
| 71 | - |
|
| 72 | -| Item | M3 | M4 | |
|
| 73 | -| ------------------------------------ | ---------- | ------- | |
|
| 74 | -| **Screw Shaft Diameter** | 3.0 mm | 4.0 mm | |
|
| 75 | -| **Button/Socket Head Diameter** | 5.5–6.0 mm | 7.0 mm | |
|
| 76 | -| **Countersunk Head Diameter** | ~5.6 mm | ~7.5 mm | |
|
| 77 | -| **Washer Outer Diameter (standard)** | 6.0 mm | 8.0 mm | |
|
| 78 | - |
|
| 79 | -## common used bolt |
|
| 80 | - |
|
| 81 | -- hex head bolt |
|
| 82 | -- hex socket head bolt |
|
| 83 | -- Phillips Head Screw |
|
| 84 | - |
|
| 85 | - |
|
| 86 | -## Screw == Self-tapping Screws |
|
| 87 | - |
|
| 88 | -Self-tapping screws are designed to create their own hole as they are driven into the material. They are commonly used in metal, plastic, and wood applications. The most common types of self-tapping screws include: |
|
| 89 | - |
|
| 90 | -## Other Head Types |
|
| 91 | - |
|
| 92 | -### Round head |
|
| 93 | - |
|
| 94 | -6. Round Head |
|
| 95 | -Name: Round Head Screw |
|
| 96 | -Description: Fully rounded top, offering a decorative or smooth finish. |
|
| 97 | -Usage: Less common in screws but used in vintage or decorative applications. |
|
| 98 | - |
|
| 99 | - |
|
| 100 | -### Pan head |
|
| 101 | - |
|
| 102 | -Pan Head Screws M3*6, note length is the screws part |
|
| 103 | - |
|
| 104 | - |
|
| 105 | - |
|
| 106 | -4. Pan Head |
|
| 107 | -Name: Pan Head Screw |
|
| 108 | -Description: Rounded, slightly raised head with a large diameter. |
|
| 109 | -Usage: Common in electronics, sheet metal fastening, and general applications. |
|
| 110 | - |
|
| 111 | - |
|
| 112 | - |
|
| 113 | -### Countersunk Head |
|
| 114 | - |
|
| 115 | -Countersunk Head M3*6, note length is the total length |
|
| 116 | - |
|
| 117 | - |
|
| 118 | - |
|
| 119 | - |
|
| 120 | -### Hex Head |
|
| 121 | - |
|
| 122 | - |
|
| 123 | - |
|
| 124 | -### Hex socket |
|
| 125 | - |
|
| 126 | - |
|
| 127 | - |
|
| 128 | - |
|
| 129 | - |
|
| 130 | -### Button Head |
|
| 131 | - |
|
| 132 | -M5*10 pan head |
|
| 133 | - |
|
| 134 | - |
|
| 135 | - |
|
| 136 | -2. Button Head (Socket Button Head Screw) |
|
| 137 | -Name: Button Head Screw |
|
| 138 | -Description: Low-profile, rounded head with a wide bearing surface. |
|
| 139 | -Usage: Used when a smooth, low-profile finish is needed, such as in enclosures or furniture. |
|
| 140 | - |
|
| 141 | - |
|
| 142 | -### Cap Head |
|
| 143 | - |
|
| 144 | -1. Cap Head (Socket Cap Screw) |
|
| 145 | -Name: Cap Head Screw |
|
| 146 | -Description: Tall, cylindrical head with a deep hex socket. |
|
| 147 | -Usage: High-strength fastening in machinery, automotive, and structural applications. |
|
| 148 | - |
|
| 149 | -### Flat Head |
|
| 150 | - |
|
| 151 | -3. Flat Head (Countersunk Head Screw) |
|
| 152 | -Name: Flat Head Screw |
|
| 153 | -Description: Tapered, countersunk head that sits flush with the surface. |
|
| 154 | -Usage: Used in applications requiring a smooth, flush surface, such as aerospace or furniture. |
|
| 155 | - |
|
| 156 | -### Low Head |
|
| 157 | - |
|
| 158 | -5. Low Head |
|
| 159 | -Name: Low Head Screw |
|
| 160 | -Description: Similar to cap head but with a reduced height for tight spaces. |
|
| 161 | -Usage: Used in applications where clearance is limited but a strong connection is needed. |
|
| 162 | - |
|
| 163 | -### Truss Head |
|
| 164 | - |
|
| 165 | -7. Truss Head |
|
| 166 | -Name: Truss Head Screw |
|
| 167 | -Description: Extra-wide, low-profile head for better load distribution. |
|
| 168 | -Usage: Used in thin materials like sheet metal or plastic to reduce material damage. |
|
| 169 | - |
|
| 170 | -### Oval Head |
|
| 171 | - |
|
| 172 | -8. Oval Head (Raised Countersunk Head Screw) |
|
| 173 | -Name: Oval Head Screw |
|
| 174 | -Description: Similar to a flat head but with a slightly domed top. |
|
| 175 | -Usage: Decorative applications or when a smooth, elegant look is needed. |
|
| 176 | - |
|
| 177 | -## Drive Types |
|
| 178 | - |
|
| 179 | - |
|
| 180 | -Screws can be categorized based on their **drive type**, which refers to the shape of the socket or recess in the screw head where the tool engages. |
|
| 181 | - |
|
| 182 | -### 1. Hex Drive (Allen) |
|
| 183 | -- **Common Names:** Hex Socket, Allen |
|
| 184 | -- **Description:** A hexagonal socket that requires a hex key (Allen wrench). |
|
| 185 | -- **Usage:** Used in machinery, furniture, and automotive applications for high torque fastening. |
|
| 186 | - |
|
| 187 | -### 2. Phillips Drive (Cross) |
|
| 188 | -- **Common Names:** Phillips, Cross Recess |
|
| 189 | -- **Description:** A cross-shaped recess designed to prevent over-tightening. |
|
| 190 | -- **Usage:** Widely used in general-purpose applications, especially in wood and drywall screws. |
|
| 191 | - |
|
| 192 | -### 3. Slotted Drive |
|
| 193 | -- **Common Names:** Slot, Flathead |
|
| 194 | -- **Description:** A single straight groove that uses a flat-blade screwdriver. |
|
| 195 | -- **Usage:** Common in older designs, electrical outlets, and light-duty applications. |
|
| 196 | - |
|
| 197 | -### 4. Torx Drive |
|
| 198 | -- **Common Names:** Torx, Star |
|
| 199 | -- **Description:** A six-pointed star-shaped recess that provides high torque transfer and reduces cam-out. |
|
| 200 | -- **Usage:** Used in electronics, automotive, and aerospace applications. |
|
| 201 | - |
|
| 202 | -### 5. Pozidriv Drive |
|
| 203 | -- **Common Names:** Pozidriv, PZ |
|
| 204 | -- **Description:** Similar to Phillips but with extra grooves for better torque and less slippage. |
|
| 205 | -- **Usage:** Common in European woodworking and electrical applications. |
|
| 206 | - |
|
| 207 | -### 6. Square Drive (Robertson) |
|
| 208 | -- **Common Names:** Robertson |
|
| 209 | -- **Description:** A square-shaped recess that offers strong torque resistance and prevents cam-out. |
|
| 210 | -- **Usage:** Used in construction, woodworking, and some automotive applications. |
|
| 211 | - |
|
| 212 | -### 7. Tri-Wing Drive |
|
| 213 | -- **Common Names:** Tri-Wing |
|
| 214 | -- **Description:** Three-winged recess designed for security screws. |
|
| 215 | -- **Usage:** Found in aerospace, electronics, and tamper-proof applications (e.g., Nintendo consoles). |
|
| 216 | - |
|
| 217 | -### 8. Spanner Drive (Snake Eye) |
|
| 218 | -- **Common Names:** Spanner, Snake Eye, Twin-Hole |
|
| 219 | -- **Description:** Two small round holes on the head requiring a special spanner bit. |
|
| 220 | -- **Usage:** Used in security screws to prevent tampering in public spaces. |
|
| 221 | - |
|
| 222 | -### 9. One-Way Drive |
|
| 223 | -- **Common Names:** One-Way, Security Slot |
|
| 224 | -- **Description:** Slotted design that allows installation but prevents removal. |
|
| 225 | -- **Usage:** Used in security applications like restroom fixtures and license plates. |
|
| 226 | - |
|
| 227 | -### 10. Hexalobular Drive (Torx Plus) |
|
| 228 | -- **Common Names:** Torx Plus, 6-Lobe |
|
| 229 | -- **Description:** A refined version of Torx with a more precise shape for higher torque. |
|
| 230 | -- **Usage:** Found in automotive, aerospace, and industrial applications. |
|
| 231 | - |
|
| 232 | -### 11. Clutch Drive |
|
| 233 | -- **Common Names:** Clutch Head |
|
| 234 | -- **Description:** Bowtie-shaped recess used in heavy machinery. |
|
| 235 | -- **Usage:** Found in buses, trailers, and some older appliances. |
|
| 236 | - |
|
| 237 | - |
|
| 238 | - |
|
| 239 | - |
|
| 240 | -## ref |
|
| 241 | - |
|
| 242 | -- [[nut-dat]] |
|
| 243 | - |
|
| 244 | -- [[screws]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/screw-dat/screw-large-head-dat/2025-12-30-14-50-19.png
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mechanics-dat/mechanical-parts-dat/screw-dat/screw-large-head-dat/screw-large-head-dat.md
| ... | ... | @@ -1,4 +0,0 @@ |
| 1 | - |
|
| 2 | -# screw-large-head-dat.md |
|
| 3 | - |
|
| 4 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/screw-dat/screw-magnetic-dat/2024-02-17-14-20-10.png
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mechanics-dat/mechanical-parts-dat/screw-dat/screw-magnetic-dat/2024-02-17-14-27-40.png
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mechanics-dat/mechanical-parts-dat/screw-dat/screw-magnetic-dat/2024-02-17-14-28-07.png
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mechanics-dat/mechanical-parts-dat/screw-dat/screw-magnetic-dat/2026-02-26-17-52-36.png
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mechanics-dat/mechanical-parts-dat/screw-dat/screw-magnetic-dat/2026-02-26-17-52-53.png
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mechanics-dat/mechanical-parts-dat/screw-dat/screw-magnetic-dat/screw-magnetic-dat.md
| ... | ... | @@ -1,61 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# screw-magnetic-dat |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -- 1208-M3（装好9.8*1.2mm磁片） |
|
| 14 | -- 1208-M4（装好9.8*1.2mm磁片） |
|
| 15 | -- 1313-M3（装好9.8*1.2mm磁片） |
|
| 16 | -- 1313-M4（装好9.8*1.2mm磁片） |
|
| 17 | -- 1317-M3（装好9.8*1.2mm磁片） |
|
| 18 | -- 1317-M4（装好9.8*1.2mm磁片） |
|
| 19 | -- 强磁 1408-M4（装好10*1.3mm磁片） |
|
| 20 | -- 强磁 1413-M4（装好10*1.3mm磁片） |
|
| 21 | -- 强磁 1417-M3（装好10*1.3mm磁片） |
|
| 22 | -- 强磁 1417-M4（装好10*1.3mm磁片） |
|
| 23 | -- 加强磁 1413M4-Pro（装好11*1.3mm磁片） |
|
| 24 | -- 加强磁 1417M4-Pro（装好11*1.3mm磁片） |
|
| 25 | -- 加强磁 1513-M4（装好12*1.3mm磁片） |
|
| 26 | -- 加强磁 1517-M3（装好12*1.3mm磁片） |
|
| 27 | -- 加强磁 1517-M4（装好12*1.3mm磁片） |
|
| 28 | -- 加强磁 1520-M4（装好12*1.3mm磁片） |
|
| 29 | -- N35强磁-圆形沉孔M3，10*3mm |
|
| 30 | -- 加强磁N42-圆形沉孔M3，12*3mm |
|
| 31 | - |
|
| 32 | - |
|
| 33 | -# magnetic-screw-dat |
|
| 34 | - |
|
| 35 | - |
|
| 36 | - |
|
| 37 | -## 1317-M3 |
|
| 38 | -- diameter 13mm, height 17mm |
|
| 39 | -- drill - M3 |
|
| 40 | - |
|
| 41 | - |
|
| 42 | - |
|
| 43 | -## 1313-M4 |
|
| 44 | - |
|
| 45 | - |
|
| 46 | - |
|
| 47 | - |
|
| 48 | - |
|
| 49 | -## Demo video |
|
| 50 | - |
|
| 51 | -https://www.youtube.com/shorts/bYAMpQTe3k0 |
|
| 52 | - |
|
| 53 | - |
|
| 54 | - |
|
| 55 | -## ref |
|
| 56 | - |
|
| 57 | -- [[PCB-accesories-dat]] |
|
| 58 | - |
|
| 59 | -## ref |
|
| 60 | - |
|
| 61 | -- [[screw-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/screw-dat/screw-pan-head-dat/2025-12-17-21-41-37.png
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mechanics-dat/mechanical-parts-dat/screw-dat/screw-pan-head-dat/screw-pan-head-dat.md
| ... | ... | @@ -1,4 +0,0 @@ |
| 1 | - |
|
| 2 | -# screw-pan-head-dat |
|
| 3 | - |
|
| 4 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/screw-dat/screw-thumb-dat/2026-02-22-16-01-39.png
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mechanics-dat/mechanical-parts-dat/screw-dat/screw-thumb-dat/screw-thumb-dat.md
| ... | ... | @@ -1,42 +0,0 @@ |
| 1 | - |
|
| 2 | -# screw-thumb-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[screw-thumb-dat]] - [[nut-thumb-dat]] - [[product-dat]] - [[user-friendly-mechanical-design-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -- [[screw-dat]] - [[nut-dat]] |
|
| 9 | - |
|
| 10 | -- [[nut-wing-dat]] - [[screw-wing-dat]] |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -## screw thumb types |
|
| 14 | - |
|
| 15 | -- wing-screw / wing-nut |
|
| 16 | - |
|
| 17 | -### Knurled Head Thumbscrews: * Features a textured (diamond or straight) pattern on the side of a cylindrical head. |
|
| 18 | - |
|
| 19 | -Best for: Precise, low-torque adjustments in electronics or robotics. |
|
| 20 | - |
|
| 21 | -### Wing Screws (Butterfly Screws): |
|
| 22 | - |
|
| 23 | -Has two flat "wings" protruding from the head. |
|
| 24 | - |
|
| 25 | -Best for: Providing maximum leverage for hand-tightening without tools. |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | - |
|
| 30 | -### Spade Head Thumbscrews: |
|
| 31 | - |
|
| 32 | -The head is a thin, flat "spade" (like a key). |
|
| 33 | - |
|
| 34 | -Best for: Situations where you need to apply torque with your whole hand rather than just fingertips. |
|
| 35 | - |
|
| 36 | -### T-Handle / Tee-Head Screws: |
|
| 37 | - |
|
| 38 | -Shaped like a 'T'. |
|
| 39 | - |
|
| 40 | -Best for: Large machinery or heavy-duty outdoor gear where you might be wearing gloves. |
|
| 41 | - |
|
| 42 | - |
mechanics-dat/mechanical-parts-dat/screw-dat/screw-uncommon-dat/2026-01-15-15-11-06.png
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mechanics-dat/mechanical-parts-dat/screw-dat/screw-uncommon-dat/2026-01-15-15-38-39.png
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mechanics-dat/mechanical-parts-dat/screw-dat/screw-uncommon-dat/screw-uncommon-dat.md
| ... | ... | @@ -1,33 +0,0 @@ |
| 1 | - |
|
| 2 | -# screw-uncommon-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -## screw-uncommon |
|
| 6 | - |
|
| 7 | -3mm-Y == Y3 |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -T20 |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | -T25 |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | -kit |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | -## ref |
|
| 30 | - |
|
| 31 | -- [[screw-dat]] |
|
| 32 | - |
|
| 33 | - |
mechanics-dat/mechanical-parts-dat/seal-dat/2025-12-30-14-18-21.png
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mechanics-dat/mechanical-parts-dat/seal-dat/2025-12-30-14-18-34.png
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mechanics-dat/mechanical-parts-dat/seal-dat/seal-lip-dat.md
| ... | ... | @@ -1,6 +0,0 @@ |
| 1 | - |
|
| 2 | -# seal-lip-dat.md |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/spacer-dat/2025-12-04-20-35-17.png
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mechanics-dat/mechanical-parts-dat/spacer-dat/spacer-copper-dat/spacer-copper-dat.md
| ... | ... | @@ -1,12 +0,0 @@ |
| 1 | - |
|
| 2 | -# spacer-copper-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[spacer-copper-dat]] - [[spacer-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -## ref |
|
| 12 | - |
mechanics-dat/mechanical-parts-dat/spacer-dat/spacer-dat.md
| ... | ... | @@ -1,14 +0,0 @@ |
| 1 | - |
|
| 2 | -# spacer-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## ref |
|
| 10 | - |
|
| 11 | -- [[mechanical-parts-dat]] - [[mechanical-parts]] - [[spacer]] |
|
| 12 | - |
|
| 13 | -- [[standoff-dat]] |
|
| 14 | - |
mechanics-dat/mechanical-parts-dat/wheel-dat/2025-04-03-15-14-31.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/2025-04-03-15-15-58.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/2025-04-03-15-16-42.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/2025-04-03-15-42-28.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/2025-06-15-19-29-11.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/2025-06-15-19-44-50.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/2026-03-01-00-14-25.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/Mecanum-wheel-dat/Mecanum-wheel-dat.md
| ... | ... | @@ -1,11 +0,0 @@ |
| 1 | - |
|
| 2 | -# Mecanum-wheel-dat |
|
| 3 | - |
|
| 4 | -## Mecanum wheel == omnidirectional wheel |
|
| 5 | - |
|
| 6 | -- [Mecanum wheel](https://en.wikipedia.org/wiki/Mecanum_wheel) - Wikipedia |
|
| 7 | - |
|
| 8 | -The Mecanum wheel is a type of omnidirectional wheel that allows a vehicle to move laterally, diagonally, or rotate in place without changing its orientation. It is widely used in omnidirectional robots, AGVs (Automated Guided Vehicles), and mobile robotics applications. |
|
| 9 | - |
|
| 10 | -## ref |
|
| 11 | - |
mechanics-dat/mechanical-parts-dat/wheel-dat/Sprocket-dat/2026-02-28-02-46-24.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/Sprocket-dat/Sprocket-dat.md
| ... | ... | @@ -1,70 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# Sprocket-dat |
|
| 4 | - |
|
| 5 | -- [[gear-dat]] - [[chain-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -| 中文名稱 | 英文術語 | 常用縮寫/別名 | |
|
| 10 | -| :------------------ | :--------------------- | :--------------------------- | |
|
| 11 | -| **大鏈輪 (輪端)** | **Large Sprocket** | Driven Sprocket, Rear Gear | |
|
| 12 | -| **小鏈輪 (電機端)** | **Small Sprocket** | Drive Sprocket, Motor Pinion | |
|
| 13 | -| **齒數** | **Tooth Count** | 50T, 10T (T = Teeth) | |
|
| 14 | -| **鏈條型號** | **Chain Pitch / Size** | #25, T8F, #35 | |
|
| 15 | -| **安裝孔位** | **Mounting Pattern** | BCD (Bolt Circle Diameter) | |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -Sprocket (鏈輪): 這是專指與「鏈條」嚙合的帶齒輪子。如果它是用皮帶帶動的，則稱為 Pulley (皮帶輪)。 |
|
| 19 | - |
|
| 20 | -Driven Sprocket / Rear Sprocket: 指安裝在輪子上的那個「大齒盤」。 |
|
| 21 | - |
|
| 22 | -Drive Sprocket / Motor Sprocket / Pinion: 指安裝在電機軸上的那個「小齒輪」。 |
|
| 23 | - |
|
| 24 | - |
|
| 25 | -## Large Sprocket |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | -## info |
|
| 30 | - |
|
| 31 | -A **sprocket** (or sprocket-wheel) is a profiled wheel with teeth that mesh with a chain, track, or other perforated or indented material. |
|
| 32 | - |
|
| 33 | -It is distinguished from a **gear** in that sprockets are never meshed together directly, and from a **pulley** in that sprockets have teeth and pulleys are smooth. |
|
| 34 | - |
|
| 35 | ---- |
|
| 36 | - |
|
| 37 | -## Key Characteristics of a Sprocket |
|
| 38 | -The design of a sprocket is strictly tied to the specific chain it is intended to drive. Key parameters include: |
|
| 39 | - |
|
| 40 | -* **Teeth (Z):** The number of individual projections that engage the chain links. |
|
| 41 | -* **Pitch (P):** The distance between the centers of two consecutive teeth. This must match the chain's pitch perfectly. |
|
| 42 | -* **Bore:** The center hole where the shaft (e.g., a motor shaft) is inserted. |
|
| 43 | -* **Hub:** The raised portion around the bore that often contains a set screw or keyway to lock the sprocket to the shaft. |
|
| 44 | - |
|
| 45 | - |
|
| 46 | - |
|
| 47 | ---- |
|
| 48 | - |
|
| 49 | -## Sprocket vs. Gear: The Main Differences |
|
| 50 | - |
|
| 51 | -| Feature | Sprocket | Gear | |
|
| 52 | -| :-------------- | :----------------------------------------- | :---------------------------------- | |
|
| 53 | -| **Engagement** | Meshes with a chain or belt. | Meshes directly with another gear. | |
|
| 54 | -| **Distance** | Ideal for long-distance power transfer. | Usually requires close proximity. | |
|
| 55 | -| **Slip** | No slip (due to teeth). | No slip (due to teeth). | |
|
| 56 | -| **Maintenance** | Requires chain tensioning and lubrication. | Requires alignment and lubrication. | |
|
| 57 | - |
|
| 58 | ---- |
|
| 59 | - |
|
| 60 | -## Common Applications |
|
| 61 | - |
|
| 62 | -1. **Bicycles & Motorcycles:** The most recognizable use. The "chainring" at the pedals and the "cassette" at the rear wheel are both sprockets. |
|
| 63 | -2. **Tracked Vehicles:** Tanks, bulldozers, and excavators use a large drive sprocket to pull the heavy metal tracks. |
|
| 64 | -3. **Industrial Conveyors:** Moving goods along a factory floor often relies on long chain drives powered by sprockets. |
|
| 65 | -4. **Robotics & DIY Projects:** Especially useful for mobile platforms like your **Rover V2** if you are moving from a direct-drive wheel to a tank-tread or high-torque chain system. |
|
| 66 | - |
|
| 67 | - |
|
| 68 | - |
|
| 69 | -## ref |
|
| 70 | - |
mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-Eccentric-dat/wheel-Eccentric-dat.md
| ... | ... | @@ -1,12 +0,0 @@ |
| 1 | - |
|
| 2 | -# wheel-Eccentric-dat |
|
| 3 | - |
|
| 4 | -## purpose |
|
| 5 | - |
|
| 6 | -- [[motor-vibration-dat]] - [[vibrator-dat]] |
|
| 7 | - |
|
| 8 | -- [[tensioner-dat]] - [[belt-sys-dat]] |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -- [[wheel-Eccentric]] - [[wheel]] - [[mechanical-parts]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-dat.md
| ... | ... | @@ -1,75 +0,0 @@ |
| 1 | - |
|
| 2 | -# wheel-dat |
|
| 3 | - |
|
| 4 | -- [[Mecanum-wheel-dat]] |
|
| 5 | - |
|
| 6 | -- [[tank-wheels-supporting-dat]] |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -- [[RPM-dat]] - [[physics-dat]] - [[gear-dat]] - [[Sprocket-dat]] - [[chain-dat]] |
|
| 10 | - |
|
| 11 | -- [[wheel-hub-dat]] - [[wheel-dat]] - [[bearing-dat]] |
|
| 12 | - |
|
| 13 | -97 dia mm |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | -125 dia mm |
|
| 18 | - |
|
| 19 | - |
|
| 20 | -## 12" |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | -12 inches is equal to: |
|
| 25 | - |
|
| 26 | -- 30.48 centimeters (cm) |
|
| 27 | -- 304.8 millimeters (mm) |
|
| 28 | - |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | - |
|
| 33 | -## wheel front == Driven Wheel / Idler Wheel |
|
| 34 | - |
|
| 35 | - |
|
| 36 | - |
|
| 37 | - |
|
| 38 | -wheel without motor |
|
| 39 | - |
|
| 40 | -bearing 6302 |
|
| 41 | - |
|
| 42 | - |
|
| 43 | - |
|
| 44 | - |
|
| 45 | - |
|
| 46 | -## wheel with motor / rear wheel == Driving Wheel |
|
| 47 | - |
|
| 48 | -mostly used for balancer kart, electric go-kart, and electric tri-cycle, |
|
| 49 | - |
|
| 50 | - |
|
| 51 | - |
|
| 52 | - |
|
| 53 | - |
|
| 54 | - |
|
| 55 | - |
|
| 56 | - |
|
| 57 | - |
|
| 58 | -12-inch 3000W 18-shaft + Mingzhe semi-molten tire |
|
| 59 | - |
|
| 60 | -## wheels with hub |
|
| 61 | - |
|
| 62 | -- [[wheel-hub-dat]] |
|
| 63 | - |
|
| 64 | - |
|
| 65 | -## ref |
|
| 66 | - |
|
| 67 | -- [[robot-dat]] |
|
| 68 | - |
|
| 69 | -- [[bearing-dat]] |
|
| 70 | - |
|
| 71 | - |
|
| 72 | -## ref |
|
| 73 | - |
|
| 74 | -- [[wheels]] |
|
| 75 | - |
mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-hub-dat/2026-02-28-19-59-13.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-hub-dat/2026-02-28-23-53-13.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-hub-dat/2026-02-28-23-54-06.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-hub-dat/2026-02-28-23-55-19.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-hub-dat/2026-02-28-23-56-00.png
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mechanics-dat/mechanical-parts-dat/wheel-dat/wheel-hub-dat/wheel-hub-dat.md
| ... | ... | @@ -1,84 +0,0 @@ |
| 1 | - |
|
| 2 | -# wheel-hub-dat |
|
| 3 | - |
|
| 4 | -- [[wheel-dat]] - [[wheel-hub-dat]] - [[bearing-dat]] - [[gear-dat]] - [[inch-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -- 14 x 2.125 |
|
| 10 | -- 16 x 2.125 |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | -## The "2.4" — Tire Width |
|
| 15 | - |
|
| 16 | - |
|
| 17 | -When you see a tire size labeled as **12 x 2.4**, it is using the Imperial system (inches). Here is the breakdown: |
|
| 18 | - |
|
| 19 | - |
|
| 20 | -The second number represents the **Width** of the tire at its widest point when inflated. |
|
| 21 | -* **Measurement:** 2.4 inches. |
|
| 22 | -* **Metric Conversion:** $2.4 \times 25.4 = \mathbf{60.96\text{ mm}}$ (approx. 61mm). |
|
| 23 | -* **Significance:** A 2.4-inch tire is considered a "Wide" or "Fat" tire. For your **human-carrying scooter**, this is excellent because: |
|
| 24 | - * **Stability:** A wider contact patch provides better balance. |
|
| 25 | - * **Cushioning:** Larger air volume acts as a natural shock absorber for a smoother ride. |
|
| 26 | - |
|
| 27 | - |
|
| 28 | -- 12~20 inch |
|
| 29 | - |
|
| 30 | -## 14-inch wheels == kids bike |
|
| 31 | - |
|
| 32 | - |
|
| 33 | - |
|
| 34 | - |
|
| 35 | - |
|
| 36 | -front wheel |
|
| 37 | - |
|
| 38 | - |
|
| 39 | - |
|
| 40 | - |
|
| 41 | - |
|
| 42 | -rear wheel |
|
| 43 | - |
|
| 44 | - |
|
| 45 | - |
|
| 46 | - |
|
| 47 | - |
|
| 48 | -## other sizes |
|
| 49 | - |
|
| 50 | -- 24-inch == wheelchair |
|
| 51 | - |
|
| 52 | - |
|
| 53 | - |
|
| 54 | - |
|
| 55 | -## static wheel hub |
|
| 56 | - |
|
| 57 | -in almost all modern bicycles, the axle itself does not rotate. |
|
| 58 | - |
|
| 59 | -### Bicycle Rear Wheel Rotation: What Moves? |
|
| 60 | - |
|
| 61 | -| Component | Status | Movement Description | |
|
| 62 | -| :-------------------- | :------------- | :----------------------------------------------------------------- | |
|
| 63 | -| **Axle (The Axis)** | **Stationary** | Bolted or clamped to the bike frame; it never spins. | |
|
| 64 | -| **Sprockets (Gears)** | **Rotating** | Spin when you pedal; they stay still when you "coast." | |
|
| 65 | -| **Hub Shell & Wheel** | **Rotating** | Always spin while the bike is in motion. | |
|
| 66 | -| **Bearings** | **Active** | The bridge that allows the wheel to spin *around* the static axle. | |
|
| 67 | - |
|
| 68 | ---- |
|
| 69 | - |
|
| 70 | -### How it works: |
|
| 71 | -1. Your **frame** holds the **axle** perfectly still. |
|
| 72 | -2. The **bearings** sit on that axle. |
|
| 73 | -3. The **hub** (the middle of the wheel) sits on the bearings. |
|
| 74 | -4. When you pedal, the **sprockets** push the hub, and the whole wheel spins around that fixed center axis. |
|
| 75 | - |
|
| 76 | - |
|
| 77 | - |
|
| 78 | -## 塔基 / 卡式 花鼓 / 旋式花鼓 |
|
| 79 | - |
|
| 80 | - |
|
| 81 | - |
|
| 82 | -## ref |
|
| 83 | - |
|
| 84 | -- [[wheel]] - [[wheel-hub]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Fixture-dat/2025-12-06-13-09-02.png
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mechanics-dat/mechanical-structure-dat/Fixture-dat/2025-12-06-13-09-21.png
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mechanics-dat/mechanical-structure-dat/Fixture-dat/Fixture-dat.md
| ... | ... | @@ -1,20 +0,0 @@ |
| 1 | - |
|
| 2 | -# Fixture-dat |
|
| 3 | - |
|
| 4 | -## push-pull == side |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -## vertical press |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -## door locker |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -## ref |
|
| 19 | - |
|
| 20 | -- [[fixture]] - [[mechanical-structure]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-structure-dat/Rivet-dat/Rivet-Tubular-dat/Rivet-Tubular-dat.md
| ... | ... | @@ -1,39 +0,0 @@ |
| 1 | - |
|
| 2 | -# Rivet-Tubular-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -## Semi-Tubular Rivet (Tubular Rivet) |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -- Hollow at the tail, slightly deformed during installation. |
|
| 11 | -- Leaves a shaft that can act like a **pin**, allowing attached pieces to **rotate**. |
|
| 12 | -- Can also act as a **built-in spacer** if you control the gap when pressing it. |
|
| 13 | - |
|
| 14 | -管状铆钉：强调它是“中空的圆管状”，尾部可轻微展开。 |
|
| 15 | - |
|
| 16 | -半空心铆钉：常用在手工 / 皮革 / 轻金属 DIY 场景，尾部只有部分空心，方便旋转或作为活动关节。 |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | -## hand rivet tools |
|
| 24 | - |
|
| 25 | -https://www.instagram.com/reel/CjiwHKfgFZo/?igshid=YmMyMTA2M2Y%3D |
|
| 26 | - |
|
| 27 | -打锤 + 铆钉座／冲头（Hammer + Rivet Setter / Anvil / Bucking Bar / Setters） — 对于某些铆钉（尤其在皮革、布料、铜铆钉、花帽铆钉等）可以在锤子 + 座子/冲头上手工敲压固定。适合简易金属片、皮革、布料等，或者当你没有铆枪时。很多皮革／手工爱好者会用这类工具。 |
|
| 28 | - |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | - |
|
| 33 | - |
|
| 34 | - |
|
| 35 | - |
|
| 36 | -## ref |
|
| 37 | - |
|
| 38 | -- [[rivet-dat]] |
|
| 39 | - |
mechanics-dat/mechanical-structure-dat/Rivet-dat/Rivet-dat.md
| ... | ... | @@ -1,101 +0,0 @@ |
| 1 | - |
|
| 2 | -# Rivet-dat |
|
| 3 | - |
|
| 4 | -- [[rivet-nut-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## Spacer / Washer + Pin or Rivet |
|
| 10 | -- Place a **metal or plastic washer** between parts. |
|
| 11 | -- Insert a solid or semi-tubular rivet/pin through the washer. |
|
| 12 | -- Rivet clamps only the washer, leaving a **free gap for rotation**. |
|
| 13 | -- Works with many rivet types and is very precise. |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -## cap rivet |
|
| 17 | - |
|
| 18 | -- Also called a **decorative rivet**, commonly used in leather, fabric, or light metal decoration. |
|
| 19 | -- Once installed, the head and shaft clamp the materials tightly. |
|
| 20 | -- **Does NOT allow rotation** and is not suitable as a spacer by itself. |
|
| 21 | -- For **decorative** or permanent fastening**, not mechanical rotation. |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | -## info |
|
| 28 | - |
|
| 29 | -A **rivet** is a type of permanent mechanical fastener used to join two or more pieces of material together, such as metal, plastic, or leather. |
|
| 30 | - |
|
| 31 | -### How a Rivet Works |
|
| 32 | -1. A hole is drilled through the materials. |
|
| 33 | -2. The rivet is inserted into the hole. |
|
| 34 | -3. The tail end of the rivet is deformed (flattened or expanded). |
|
| 35 | -4. This creates two “heads” that clamp the materials tightly together. |
|
| 36 | - |
|
| 37 | -Once installed, a rivet **cannot be removed without destroying it**, making it a strong and reliable connection. |
|
| 38 | - |
|
| 39 | ---- |
|
| 40 | - |
|
| 41 | -### Basic Structure |
|
| 42 | -- **Head**: The factory-made top of the rivet. |
|
| 43 | -- **Shank**: The cylindrical body that goes through the hole. |
|
| 44 | -- **Tail**: The end that gets deformed during installation. |
|
| 45 | - |
|
| 46 | ---- |
|
| 47 | - |
|
| 48 | -### Common Types of Rivets |
|
| 49 | -- **Solid Rivet**: Strongest type, used in aircraft and heavy machinery. |
|
| 50 | -- **Blind Rivet (Pop Rivet)**: Installed with a rivet gun, used when only one side is accessible. |
|
| 51 | -- **Hollow Rivet**: Used for leather, fabric, or light materials. |
|
| 52 | -- **Semi-Tubular Rivet**: Used for rotating joints; the tail is partially hollow. |
|
| 53 | - |
|
| 54 | ---- |
|
| 55 | - |
|
| 56 | -### Why Rivets Are Used |
|
| 57 | -- Strong and vibration-resistant |
|
| 58 | -- Simple and low-cost |
|
| 59 | -- Good for thin sheets and layered materials |
|
| 60 | -- Do not loosen like screws can |
|
| 61 | - |
|
| 62 | ---- |
|
| 63 | - |
|
| 64 | -### Simple Explanation |
|
| 65 | -A rivet is **a metal pin that you put through a hole and squash the end to lock two parts together**. |
|
| 66 | - |
|
| 67 | - |
|
| 68 | - |
|
| 69 | - |
|
| 70 | -## Can a Rivet Joint Keep a Gap and Allow Rotation? |
|
| 71 | - |
|
| 72 | -Yes, a rivet joint **can** keep a controlled gap and allow rotation — but only if you use the correct method. A normal rivet creates a tight, permanent joint that cannot rotate. Here are the practical solutions: |
|
| 73 | - |
|
| 74 | ---- |
|
| 75 | - |
|
| 76 | -### ✅ Method 1: Loose Riveting (Hinge-Style Rivet Joint) |
|
| 77 | -Do not fully squeeze the rivet tail. Leave a small clearance so the two plates are not clamped tightly. |
|
| 78 | - |
|
| 79 | -**Effect:** |
|
| 80 | -- The plates stay aligned by the rivet shaft. |
|
| 81 | -- A small gap remains. |
|
| 82 | -- The plates can rotate around the rivet. |
|
| 83 | - |
|
| 84 | -**Cons:** |
|
| 85 | -- Gap is hard to control precisely. |
|
| 86 | - |
|
| 87 | -- Rotation may not be very smooth. |
|
| 88 | - |
|
| 89 | ---- |
|
| 90 | - |
|
| 91 | -### ✅ Method 2: Add a Washer or Spacer |
|
| 92 | -Place **washers** or a **spacer** between the two plates, then rivet through them. |
|
| 93 | - |
|
| 94 | -**Effect:** |
|
| 95 | -- The gap is controlled by the washer/spacer thickness. |
|
| 96 | -- The rivet clamps the spacer, not the plates. |
|
| 97 | -- The joint rotates smoothly and reliably. |
|
| 98 | - |
|
| 99 | -👉 This is the **recommended** method for precise rotation. |
|
| 100 | - |
|
| 101 | - |
mechanics-dat/mechanical-structure-dat/Rivet-dat/rivet-PEM-dat/2026-01-01-03-29-44.png
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mechanics-dat/mechanical-structure-dat/Rivet-dat/rivet-PEM-dat/rivet-PEM-dat.md
| ... | ... | @@ -1,17 +0,0 @@ |
| 1 | - |
|
| 2 | -# rivet-PEM-dat |
|
| 3 | - |
|
| 4 | -## rivet PEM |
|
| 5 | -（一）盲孔压铆螺柱 |
|
| 6 | -1. 镀锌（碳钢）- 盲孔压铆螺柱 |
|
| 7 | -※ 工程图标注参考：产品代码（或直接输入：镀锌盲孔压铆螺柱） - 螺纹码 - 长度码；例：BSO-M3-7 或 镀锌盲孔压铆螺柱-M3-7 |
|
| 8 | - |
|
| 9 | -※ 用途：镀锌板、冷轧板 |
|
| 10 | - |
|
| 11 | -BSO-M4-6 |
|
| 12 | -BSO-M3-6 |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | -4x M4 BSO-M4-6 背面安装 |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-structure-dat/Rivet-dat/rivet-nut-dat/rivet-nut-dat.md
| ... | ... | @@ -1,79 +0,0 @@ |
| 1 | - |
|
| 2 | -# rivet-nut-dat |
|
| 3 | - |
|
| 4 | -- [[fab-sheet-metal-annotation-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -## pull rivet |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -## pull tool |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | -能从一侧安装、通用性最强 → 铆钉螺母 |
|
| 21 | - |
|
| 22 | -能用压床、追求稳定与精度 → 压铆螺母 |
|
| 23 | - |
|
| 24 | -| 项目 | 铆钉螺母 | 压铆螺母 | |
|
| 25 | -| ---------- | --------------------------- | ---------------------------- | |
|
| 26 | -| 英文 | Rivet Nut / Blind Rivet Nut | PEM Nut / Self-Clinching Nut | |
|
| 27 | -| 固定原理 | 拉铆变形夹紧板材 | 齿纹压入材料冷流锁死 | |
|
| 28 | -| 是否“盲装” | ✅ 是（单面操作） | ❌ 否（需双面受力） | |
|
| 29 | -| 是否可拆 | ❌ 不可拆 | ❌ 不可拆 | |
|
| 30 | - |
|
| 31 | - |
|
| 32 | -三、安装方式差异（非常关键） |
|
| 33 | -🔹 铆钉螺母（Rivet Nut） |
|
| 34 | - |
|
| 35 | -安装过程 |
|
| 36 | - |
|
| 37 | -钻孔 |
|
| 38 | - |
|
| 39 | -插入螺母 |
|
| 40 | - |
|
| 41 | -用铆枪拉芯 → 后端鼓包 |
|
| 42 | - |
|
| 43 | -特点 |
|
| 44 | - |
|
| 45 | -从一侧即可完成 |
|
| 46 | - |
|
| 47 | -不需要压床 |
|
| 48 | - |
|
| 49 | -现场安装友好 |
|
| 50 | - |
|
| 51 | -📌 类似：抽芯铆钉 + 螺纹 |
|
| 52 | - |
|
| 53 | -🔹 压铆螺母（PEM Nut） |
|
| 54 | - |
|
| 55 | -安装过程 |
|
| 56 | - |
|
| 57 | -冲孔（精确尺寸） |
|
| 58 | - |
|
| 59 | -放入螺母 |
|
| 60 | - |
|
| 61 | -压床直接压入 |
|
| 62 | - |
|
| 63 | -特点 |
|
| 64 | - |
|
| 65 | -需要上下两侧受力 |
|
| 66 | - |
|
| 67 | -依赖材料“冷流” |
|
| 68 | - |
|
| 69 | -精度和稳定性更好 |
|
| 70 | - |
|
| 71 | - |
|
| 72 | - |
|
| 73 | - |
|
| 74 | - |
|
| 75 | -## ref |
|
| 76 | - |
|
| 77 | -- [[rivet-dat]] - [[rivet]] - [[mechanical-structure]] |
|
| 78 | - |
|
| 79 | -- [[rivet-nut]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Rivet-dat/rivet-pop-dat/rivet-pop-dat.md
| ... | ... | @@ -1,17 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# rivet-pop-dat.md |
|
| 4 | - |
|
| 5 | -## pop rivet |
|
| 6 | - |
|
| 7 | -### After a Pop Rivet (Blind Rivet) Is Installed, Can It Rotate? |
|
| 8 | - |
|
| 9 | -After a pop rivet (blind rivet) is pulled (installed), it becomes a **tight, permanent, non-rotating joint**. |
|
| 10 | - |
|
| 11 | -When the mandrel pulls the rivet: |
|
| 12 | -- The rivet body expands. |
|
| 13 | -- It clamps the material tightly. |
|
| 14 | -- There is **no clearance** for rotation. |
|
| 15 | -- The joint becomes fixed and cannot rotate. |
|
| 16 | - |
|
| 17 | -This is the *intended behavior* of a pop rivet. |
mechanics-dat/mechanical-structure-dat/Shaft-dat/2025-12-06-14-06-54.png
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mechanics-dat/mechanical-structure-dat/Shaft-dat/Shaft-dat.md
| ... | ... | @@ -1,123 +0,0 @@ |
| 1 | -# Shaft-dat |
|
| 2 | - |
|
| 3 | - |
|
| 4 | -- [[shaft-dat]] - [[tube-dat]] - [[rod-dat]] |
|
| 5 | - |
|
| 6 | -- [[mechanical-structure-dat]] - [[materials-dat]] |
|
| 7 | - |
|
| 8 | -- [[shaft-connection-dat]] |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -- [[tube-bend-dat]] |
|
| 12 | - |
|
| 13 | -- [[shaft-dat]] - [[tube-lean-dat]] - [[tube-copper-dat]] - [[tube-oval-dat]] - [[tube-PVC-dat]] - [[tube-steel-square-dat]] |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -## dimension |
|
| 19 | - |
|
| 20 | -- 8mm |
|
| 21 | - |
|
| 22 | -- 6mm - [[3d-printer-dat]] use shaft holder == 6.35 with screws |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | -## smooth shaft accessories |
|
| 27 | - |
|
| 28 | -- [[shaft-dat]] - [[shaft-locking-dat]] |
|
| 29 | - |
|
| 30 | -- [[shaft-coupler-dat]] - [[Shaft-Cross-Connector-dat]] |
|
| 31 | - |
|
| 32 | - |
|
| 33 | - |
|
| 34 | - |
|
| 35 | -## tech |
|
| 36 | - |
|
| 37 | -- [[shaft-dat]] - [[shaft-waterproof-dat]] - [[waterproof-dat]] |
|
| 38 | - |
|
| 39 | - |
|
| 40 | - |
|
| 41 | -## Shaft cutting |
|
| 42 | - |
|
| 43 | -Is it dangerous to cut a 6 mm smooth shaft (steel) with an angle grinder? |
|
| 44 | - |
|
| 45 | -Yes. There are risks, especially in the following situations: |
|
| 46 | - |
|
| 47 | -1. High angle grinder speed |
|
| 48 | - |
|
| 49 | -Angle grinders typically run above 10,000 RPM. When cutting metal, if the workpiece is not clamped securely or the angle is wrong and the shaft rolls, this can cause: |
|
| 50 | - |
|
| 51 | -- Hand injury (kickback) |
|
| 52 | -- Workpiece ejection |
|
| 53 | -- Cutting wheel shattering (severe hazard) |
|
| 54 | - |
|
| 55 | -2. Round shaft is hard to secure |
|
| 56 | - |
|
| 57 | -A round shaft can roll or be grabbed by the wheel, which may lead to: |
|
| 58 | - |
|
| 59 | -- Disc jam |
|
| 60 | -- Thrown workpiece |
|
| 61 | - |
|
| 62 | -3. Cutting discs are unfriendly to small-diameter metal |
|
| 63 | - |
|
| 64 | -Cutting thin rods → easy to bite → can cause kickback |
|
| 65 | - |
|
| 66 | -How to make it safer |
|
| 67 | - |
|
| 68 | -- Use proper fixturing |
|
| 69 | - |
|
| 70 | - Secure the shaft. Recommended: |
|
| 71 | - |
|
| 72 | - - Use a bench vise (required) |
|
| 73 | - - Wrap the clamped area with aluminum or wood to prevent slipping |
|
| 74 | - |
|
| 75 | -- Use a cut-off disc, not a grinding disc |
|
| 76 | - |
|
| 77 | - Use a metal cut-off disc (thin cut-off). Do not use a grinding disc to sever the shaft. |
|
| 78 | - |
|
| 79 | -- Wear personal protective equipment |
|
| 80 | - |
|
| 81 | - - Safety goggles |
|
| 82 | - - Cut-resistant gloves |
|
| 83 | - - Long sleeves |
|
| 84 | - |
|
| 85 | -- Avoid contacting the wheel side |
|
| 86 | - |
|
| 87 | - Use only the thin cutting edge of the disc; do not apply side pressure. |
|
| 88 | - |
|
| 89 | -- Cut gently, do not force |
|
| 90 | - |
|
| 91 | - Keep a steady motion; do not rock the shaft. |
|
| 92 | - |
|
| 93 | - |
|
| 94 | - |
|
| 95 | - |
|
| 96 | - |
|
| 97 | -## shaft assembly |
|
| 98 | - |
|
| 99 | -芯轴加热 / 冷冻的本质作用只有一个： |
|
| 100 | -——利用热胀冷缩，让“本来很紧的过盈配合在装配瞬间变得好装”。 |
|
| 101 | -下面我用直观 + 定量给你解释清楚。 |
|
| 102 | -一、一句话核心原理 |
|
| 103 | -加热孔 → 孔变大 |
|
| 104 | -冷冻轴 → 轴变小 |
|
| 105 | -👉 装配瞬间从“硬压”变成“顺滑插入”， |
|
| 106 | -冷却后恢复尺寸，形成非常牢固的过盈配合。 |
|
| 107 | - |
|
| 108 | - |
|
| 109 | -## jack shaft |
|
| 110 | - |
|
| 111 | - |
|
| 112 | - |
|
| 113 | -== 中间轴 |
|
| 114 | - |
|
| 115 | - |
|
| 116 | - |
|
| 117 | - |
|
| 118 | - |
|
| 119 | -## ref |
|
| 120 | - |
|
| 121 | -- [[rod-system-dat]] |
|
| 122 | - |
|
| 123 | -- [[m]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-carbon-dat/rod-carbon-dat.md
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| 1 | - |
|
| 2 | -# carbon-rods-dat |
|
| 3 | - |
|
| 4 | -**Carbon rods** (also called **carbon fiber rods**) are lightweight, high-strength structural components widely used in radio-controlled (RC) aircraft, gliders, multirotors, and other hobby models. |
|
| 5 | - |
|
| 6 | ---- |
|
| 7 | - |
|
| 8 | -## 1. What Are Carbon Rods? |
|
| 9 | -Carbon rods are made from **carbon fiber strands** bonded together with epoxy resin. |
|
| 10 | -They are extremely **strong**, **rigid**, and **lightweight**, making them ideal for structural reinforcement in model aircraft. |
|
| 11 | - |
|
| 12 | ---- |
|
| 13 | - |
|
| 14 | -## 2. Key Features |
|
| 15 | -- **High strength-to-weight ratio** |
|
| 16 | -- **Very stiff** (excellent for wings and fuselage reinforcement) |
|
| 17 | -- **Corrosion-resistant** |
|
| 18 | -- **Lightweight compared to metal rods** |
|
| 19 | -- **Does not warp with humidity or temperature changes** |
|
| 20 | - |
|
| 21 | ---- |
|
| 22 | - |
|
| 23 | -## 3. Common Shapes |
|
| 24 | -1. **Solid round rods** |
|
| 25 | - - Used for spars, pushrods, and general reinforcement |
|
| 26 | -2. **Hollow tubes** |
|
| 27 | - - Lighter than solid rods, used for wing spars or long stiff beams |
|
| 28 | -3. **Flat strips (carbon plates)** |
|
| 29 | - - Used to strengthen fuselage sides, wing trailing edges, or control surfaces |
|
| 30 | - |
|
| 31 | ---- |
|
| 32 | - |
|
| 33 | -## 4. Typical Uses in RC Aircraft |
|
| 34 | -- **Wing spars** (main structural support inside the wing) |
|
| 35 | -- **Fuselage reinforcement** |
|
| 36 | -- **Tail boom structures** |
|
| 37 | -- **Control pushrods** |
|
| 38 | -- **Motor mounts** (for lightweight electric planes) |
|
| 39 | -- **FPV plane rigidity enhancement** |
|
| 40 | - |
|
| 41 | ---- |
|
| 42 | - |
|
| 43 | -## 5. Advantages in RC Models |
|
| 44 | -- Provides **rigidity** without adding much weight |
|
| 45 | -- Greatly increases **structural strength** |
|
| 46 | -- Helps prevent wing flex at high speeds |
|
| 47 | -- Improves flight precision and durability |
|
| 48 | - |
|
| 49 | ---- |
|
| 50 | - |
|
| 51 | -## 6. Adhesives and Bonding |
|
| 52 | -Compatible glues include: |
|
| 53 | -- **Epoxy** |
|
| 54 | -- **CA glue (foam-safe when used on foam models)** |
|
| 55 | -- **UHU POR** (for foam aircraft) |
|
| 56 | - |
|
| 57 | -Avoid using general hot-melt glue for critical structural joints — it adds weight and low bonding strength. |
|
| 58 | - |
|
| 59 | ---- |
|
| 60 | - |
|
| 61 | -## 7. Common Diameters |
|
| 62 | -- **1mm – 3mm:** pushrods, small wings |
|
| 63 | -- **3mm – 6mm:** wing spars, fuselage reinforcement |
|
| 64 | -- **6mm – 10mm:** large wings and long FPV platforms |
|
| 65 | - |
|
| 66 | -## ref |
|
| 67 | - |
|
| 68 | -- [[rod-system-dat]] - [[materials-dat]] - [[carbon-rods-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-dat.md
| ... | ... | @@ -1,113 +0,0 @@ |
| 1 | - |
|
| 2 | -# rod-system-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[shaft-dat]] - [[tube-dat]] - [[rod-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -- [[shaft-dat]] |
|
| 9 | - |
|
| 10 | -- [[PVC-tube-dat]] |
|
| 11 | - |
|
| 12 | -- [[carbon-rods-dat]] |
|
| 13 | - |
|
| 14 | -- [[stainless-steel-solid-tube-dat]] |
|
| 15 | - |
|
| 16 | -- [[stainless-steel-hallow-tube-dat]] |
|
| 17 | - |
|
| 18 | -- [[rod-system-dat]] |
|
| 19 | - |
|
| 20 | -- [[hinge-dat]] - [[rod-tie-dat]] - [[crank-dat]] - [[rod-dat]] |
|
| 21 | - |
|
| 22 | -- [[shaft-coupler-dat]] |
|
| 23 | - |
|
| 24 | -- [[stainless-steel-dat]] - [[stainless-steel-solid-rod-dat]] - [[metal-dat]] |
|
| 25 | - |
|
| 26 | - |
|
| 27 | -- [[clamp-dat]] |
|
| 28 | - |
|
| 29 | - |
|
| 30 | -rod hinge |
|
| 31 | - |
|
| 32 | - |
|
| 33 | - |
|
| 34 | - |
|
| 35 | - |
|
| 36 | - |
|
| 37 | -## size |
|
| 38 | - |
|
| 39 | -- 3mm [[ABS-dat]] [[shaft-dat]] - weak |
|
| 40 | - |
|
| 41 | -- 3mm [[stainless-steel-solid-tube-dat]] - [[shaft-dat]] - ? |
|
| 42 | - |
|
| 43 | - |
|
| 44 | - |
|
| 45 | - |
|
| 46 | - |
|
| 47 | -## common parts |
|
| 48 | - |
|
| 49 | -- [[shaft-limit-ring-dat]] - [[shaft-coupler-dat]] |
|
| 50 | - |
|
| 51 | -- [[flange-dat]] |
|
| 52 | - |
|
| 53 | - |
|
| 54 | - |
|
| 55 | - |
|
| 56 | - |
|
| 57 | - |
|
| 58 | - |
|
| 59 | -## compare |
|
| 60 | - |
|
| 61 | -| Feature | 3mm Solid Carbon Rod | 3mm Solid Stainless Steel Rod | |
|
| 62 | -|---------|--------------------|-------------------------------| |
|
| 63 | -| **Material** | Carbon fiber (reinforced with epoxy) | Stainless steel (commonly 304 or 316) | |
|
| 64 | -| **Density / Weight** | ~1.6 g/cm³ (lightweight) | ~8.0 g/cm³ (heavy) | |
|
| 65 | -| **Tensile Strength** | ~600–1000 MPa | ~500–700 MPa | |
|
| 66 | -| **Flexural Strength / Stiffness** | Very high stiffness (high modulus) | Lower stiffness compared to carbon | |
|
| 67 | -| **Impact / Shock Resistance** | Brittle, can snap under sudden impact | Tough, can bend under load without breaking | |
|
| 68 | -| **Corrosion Resistance** | Excellent (does not rust) | Good (resists corrosion, but can rust in harsh environments) | |
|
| 69 | -| **Weight-to-Strength Ratio** | Extremely high (very strong per gram) | Low (heavier for same strength) | |
|
| 70 | -| **Practical Notes** | Ideal for **lightweight reinforcement**, RC aircraft spars, hobby robotics | Better for **impact-heavy or load-bearing metal parts**, mechanical shafts | |
|
| 71 | - |
|
| 72 | - |
|
| 73 | -### Summary |
|
| 74 | - |
|
| 75 | -- **Carbon rod** is **much lighter** and very stiff; for **bending stiffness** or lightweight structure, it is stronger per weight. |
|
| 76 | -- **Stainless steel rod** is **heavier but tougher**; it can withstand impact and bending better without snapping. |
|
| 77 | -- **Conclusion:** |
|
| 78 | - - For **lightweight RC planes, drones, or aerospace applications** → **3mm carbon rod** is preferred. |
|
| 79 | - - For **mechanical shafts or parts under heavy impact** → **3mm stainless steel rod** is safer. |
|
| 80 | - |
|
| 81 | - |
|
| 82 | - |
|
| 83 | - |
|
| 84 | - |
|
| 85 | -## other |
|
| 86 | - |
|
| 87 | -cantilevel |
|
| 88 | - |
|
| 89 | - |
|
| 90 | - |
|
| 91 | -tube cross locker |
|
| 92 | - |
|
| 93 | - |
|
| 94 | - |
|
| 95 | -vertical tube connector == water pipe joint |
|
| 96 | - |
|
| 97 | - |
|
| 98 | - |
|
| 99 | - |
|
| 100 | - |
|
| 101 | -## ref |
|
| 102 | - |
|
| 103 | -- [[mechanical-structure-dat]] |
|
| 104 | - |
|
| 105 | -- [[mechanical-structure]] - [[mechanics]] |
|
| 106 | - |
|
| 107 | - |
|
| 108 | - |
|
| 109 | -## ref |
|
| 110 | - |
|
| 111 | -- [[rod]] |
|
| 112 | - |
|
| 113 | -- [[mechanics]] |
mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-stainless-steel-solid-dat/rod-stainless-steel-solid-dat.md
| ... | ... | @@ -1,74 +0,0 @@ |
| 1 | - |
|
| 2 | -# stainless-steel-solid-rod-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## 切割 **6 mm 不锈钢实心棒** 可用的工具（按安全 & 效率排序） |
|
| 10 | - |
|
| 11 | -### ✅ 最推荐（安全、切口好） |
|
| 12 | -1. **金属带锯（Metal band saw）** |
|
| 13 | - - 最稳妥、反弹风险低 |
|
| 14 | - - 切口垂直、毛刺少 |
|
| 15 | - - 适合连续、多根切割 |
|
| 16 | - |
|
| 17 | -2. **冷切锯 / 金属切割锯（Cold cut saw）** |
|
| 18 | - - 使用 **不锈钢专用 TCT 锯片** |
|
| 19 | - - 切口非常平整 |
|
| 20 | - - 速度快，但设备成本较高 |
|
| 21 | - |
|
| 22 | ---- |
|
| 23 | - |
|
| 24 | -### ⚠️ 可用（需注意操作） |
|
| 25 | -3. **角磨机 + 不锈钢切割片** |
|
| 26 | - - 常见、便宜 |
|
| 27 | - - 切口粗，需要后续打磨 |
|
| 28 | - - ⚠️ 必须夹紧工件，戴护目镜 |
|
| 29 | - |
|
| 30 | -4. **台式切割机（Cut-off saw / Chop saw）** |
|
| 31 | - - 用 **不锈钢切割片** |
|
| 32 | - - 噪音大、火花多 |
|
| 33 | - - 精度一般 |
|
| 34 | - |
|
| 35 | ---- |
|
| 36 | - |
|
| 37 | -### 🐢 手动 / 低速方案 |
|
| 38 | -5. **手动弓锯（Hacksaw，24–32 TPI）** |
|
| 39 | - - 成本最低 |
|
| 40 | - - 适合少量或精细控制 |
|
| 41 | - - 慢但安全 |
|
| 42 | - |
|
| 43 | -- [[hand-Hacksaw-dat]] - [[tools-hand-dat]] |
|
| 44 | - |
|
| 45 | - |
|
| 46 | -6. **台钻 + 切割附件（不推荐为主方案）** |
|
| 47 | - - 可行但效率低 |
|
| 48 | - - 对准和夹持要求高 |
|
| 49 | - |
|
| 50 | ---- |
|
| 51 | - |
|
| 52 | -## ❌ 不适合 / 不安全 |
|
| 53 | -- ❌ **木工台锯** |
|
| 54 | -- ❌ **木工圆锯片** |
|
| 55 | -- ❌ **高速钢薄圆锯片（用于台锯/角磨机）** |
|
| 56 | -- ❌ **曲线锯（易断条）** |
|
| 57 | - |
|
| 58 | ---- |
|
| 59 | - |
|
| 60 | -## 🔧 锯片 / 切割片选择要点 |
|
| 61 | -- 标注：**Stainless Steel / Inox** |
|
| 62 | -- 切割片厚度：**1.0–1.2 mm** |
|
| 63 | -- 若用带锯：**14–18 TPI** 适合 6 mm 实心棒 |
|
| 64 | -- 允许的话：**少量切削液** 可明显降温、延长寿命 |
|
| 65 | - |
|
| 66 | ---- |
|
| 67 | - |
|
| 68 | -## 一句话建议 |
|
| 69 | -> **最佳选择：金属带锯** |
|
| 70 | -> **最普遍可行：角磨机 + 不锈钢切割片** |
|
| 71 | - |
|
| 72 | -## ref |
|
| 73 | - |
|
| 74 | -- [[grinder-angle-dat]] |
mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-tie-dat/2025-12-06-13-44-22.png
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mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-tie-dat/rod-tie-dat.md
| ... | ... | @@ -1,27 +0,0 @@ |
| 1 | - |
|
| 2 | -# rod-tie-dat |
|
| 3 | - |
|
| 4 | -- [[hinge-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -## Tie Rod vs Hinge |
|
| 11 | - |
|
| 12 | -| Feature | Tie Rod | Hinge | |
|
| 13 | -|-------------------------|--------------------------------------|----------------------------------------| |
|
| 14 | -| **Function** | Transmits **tensile force** (pulling). | Allows **rotational movement** around a fixed axis. | |
|
| 15 | -| **Load Type** | Works under **tension**, rarely compression. | Works under **rotation**, may carry vertical/horizontal loads depending on design. | |
|
| 16 | -| **Movement Allowed** | Linear connection; **no rotation** at ends unless designed with joints. | Rotational; **connects two parts allowing pivoting**. | |
|
| 17 | -| **Typical Applications**| Structural reinforcement, suspension, kinematic linkages. | Doors, lids, flaps, robotic joints, mechanical linkages. | |
|
| 18 | -| **Example** | Car suspension tie rod, truss tie rod. | Door hinge, laptop hinge, robot elbow hinge. | |
|
| 19 | - |
|
| 20 | -### Key Difference |
|
| 21 | -- **Tie Rod:** Keeps parts **aligned and under tension**, preventing separation or spreading. |
|
| 22 | -- **Hinge:** **Connects two parts and allows rotation**, does not resist tension in a straight line. |
|
| 23 | - |
|
| 24 | - |
|
| 25 | -## ref |
|
| 26 | - |
|
| 27 | -- [[rod-system-dat]] - [[hinge-dat]] - [[rod-tie-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/rod-dat/rod-wood-dat/rod-wood-dat.md
| ... | ... | @@ -1,53 +0,0 @@ |
| 1 | - |
|
| 2 | -# rod-wood-dat |
|
| 3 | - |
|
| 4 | -- [[construction-dat]] - [[rod-wood-dat]] - [[tube-steel-square-dat]] |
|
| 5 | - |
|
| 6 | -一、先给结论（方便你快速判断） |
|
| 7 | - |
|
| 8 | -在合理结构布置（有圈梁 / 拉杆）的前提下： |
|
| 9 | - |
|
| 10 | -✅ 实心木柱直径建议 ≥ 120～150 mm |
|
| 11 | -⚠️ 绝对不建议低于 100 mm |
|
| 12 | - |
|
| 13 | -如果： |
|
| 14 | - |
|
| 15 | -层高 > 2.8 m |
|
| 16 | - |
|
| 17 | -或室外、有风 |
|
| 18 | - |
|
| 19 | -或连接方式比较“手工 / DIY” |
|
| 20 | - |
|
| 21 | -👉 建议直接上 150 mm 以上 |
|
| 22 | - |
|
| 23 | -二、为什么木头要比钢管粗这么多？ |
|
| 24 | -1️⃣ 材料强度差异（本质原因） |
|
| 25 | -材料 抗压强度（顺纹） |
|
| 26 | -普通结构钢 200～250 MPa |
|
| 27 | -建筑用木材（松 / 杉） 20～40 MPa |
|
| 28 | -硬木（榉木、橡木） 40～60 MPa |
|
| 29 | - |
|
| 30 | -👉 钢是木头的 5～10 倍 |
|
| 31 | - |
|
| 32 | -2️⃣ 木结构真正的弱点：失稳 + 缺陷 |
|
| 33 | - |
|
| 34 | -木头有： |
|
| 35 | - |
|
| 36 | -年轮 |
|
| 37 | - |
|
| 38 | -节疤 |
|
| 39 | - |
|
| 40 | -裂纹 |
|
| 41 | - |
|
| 42 | -含水率变化 |
|
| 43 | - |
|
| 44 | -所以工程上： |
|
| 45 | - |
|
| 46 | -安全系数通常 ≥ 4～6 |
|
| 47 | - |
|
| 48 | -不能按“极限强度”用 |
|
| 49 | - |
|
| 50 | - |
|
| 51 | -## ref |
|
| 52 | - |
|
| 53 | -- [[rod-dat]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-connection-dat/Shaft-Cross-Connector-dat/Shaft-Cross-Connector-dat.md
| ... | ... | @@ -1,37 +0,0 @@ |
| 1 | - |
|
| 2 | -# Shaft-Cross-Connector-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -## types |
|
| 8 | - |
|
| 9 | -cross connector 1 |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -cross connector 2 - customized locker |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -cross connector 3 - purpose for water tube |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | -## apps |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | - |
|
| 33 | - |
|
| 34 | - |
|
| 35 | -## ref |
|
| 36 | - |
|
| 37 | -- [[shaft-dat]] - [[shaft]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-connection-dat/shaft-connection-dat.md
| ... | ... | @@ -1,84 +0,0 @@ |
| 1 | - |
|
| 2 | -# shaft-connection-dat |
|
| 3 | - |
|
| 4 | -- [[Shaft-Cross-Connector-dat]] - [[shaft-coupler-dat]] |
|
| 5 | - |
|
| 6 | -- [[shaft-dat]] |
|
| 7 | - |
|
| 8 | -## connection methods |
|
| 9 | - |
|
| 10 | -- [[screw-dat]] |
|
| 11 | - |
|
| 12 | -- [[thread-dat]] |
|
| 13 | - |
|
| 14 | -- [[rivet-dat]] - [[screw-dat]] |
|
| 15 | - |
|
| 16 | - |
|
| 17 | -### 方案 3：钎焊 / 焊接（非烙铁） |
|
| 18 | - |
|
| 19 | -铝钎焊（>500°C） |
|
| 20 | - |
|
| 21 | -激光焊 / TIG（专业设备） |
|
| 22 | - |
|
| 23 | -⚠️ 这是完全不同工艺，非 DIY 范畴 |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | -### large tube hold small shaft |
|
| 28 | - |
|
| 29 | -三、可行的解决方案 |
|
| 30 | -方案 1：开槽 + 喉箍（薄壁首选） |
|
| 31 | - |
|
| 32 | -薄壁 1.5 mm 攻丝不可靠 |
|
| 33 | - |
|
| 34 | -改用喉箍或外夹方式 |
|
| 35 | - |
|
| 36 | -可加 2 条喉箍提高稳定性 |
|
| 37 | - |
|
| 38 | - |
|
| 39 | -### round-ball locking system |
|
| 40 | - |
|
| 41 | -methods |
|
| 42 | - |
|
| 43 | - |
|
| 44 | - |
|
| 45 | - |
|
| 46 | - |
|
| 47 | -## enforce the shaft connection |
|
| 48 | - |
|
| 49 | -### 1. The "D-Flat" Method (Best Performance) |
|
| 50 | -If your motor shaft is perfectly round, the set screw has no mechanical advantage. You need to create a flat surface for the screw to sit on. |
|
| 51 | - |
|
| 52 | -* **Action:** Use a metal file or a rotary tool (Dremel) to grind a small, flat section onto the motor shaft where the set screw contacts it. |
|
| 53 | -* **Why it works:** The screw now acts as a physical "stop" rather than just relying on friction. Even if the screw loosens slightly, the shaft cannot rotate past the flat wall. |
|
| 54 | - |
|
| 55 | - |
|
| 56 | - |
|
| 57 | -### 2. Chemical and Mechanical Tweaks |
|
| 58 | -If you cannot grind the shaft, try these tactical fixes: |
|
| 59 | - |
|
| 60 | -* **Threadlocker (Blue Loctite 242):** Vibrations from the motor often back out the small hex screws. Apply a drop of **Blue Loctite** to the threads. It stays secure during operation but can still be removed with a hand wrench. |
|
| 61 | -* **Dimpling:** Instead of a full flat side, use a drill bit to make a very shallow "crater" or dimple in the shaft. The tip of the set screw will nest inside this hole. |
|
| 62 | -* **Double Screws:** If your coupler has space, try to use two set screws at **90 degrees** to each other. One hits the flat side, the other provides lateral tension. |
|
| 63 | - |
|
| 64 | -### 3. Hardware Upgrades |
|
| 65 | -For high-torque projects like your **Rover V2**, the entry-level hardware might be the bottleneck. Consider upgrading to these types: |
|
| 66 | - |
|
| 67 | -| Coupler Type | Why it solves the problem | |
|
| 68 | -| :-------------------------- | :------------------------------------------------------------------------------------------------------------------------------------------------ | |
|
| 69 | -| **Clamping Coupler** | Instead of a screw "poking" the shaft, the entire coupler body "squeezes" the shaft 360°. This offers massive surface area and zero shaft damage. | |
|
| 70 | -| **Flexible/Spider Coupler** | Includes a rubber "spider" insert. It grips better and absorbs the vibrations that usually shake set screws loose. | |
|
| 71 | -| **Keyway Coupler** | Uses a square metal "key" that fits into slots on both the shaft and coupler. This is the industrial standard for zero-slip power transfer. | |
|
| 72 | - |
|
| 73 | - |
|
| 74 | - |
|
| 75 | -### 4. Check Axial Alignment |
|
| 76 | -If the motor shaft and the load shaft are not perfectly centered, the coupler has to "bend" slightly with every rotation. This creates a pulsing force that effectively unscrews your hex bolts over time. |
|
| 77 | - |
|
| 78 | -* **Quick Test:** Spin the motor slowly. If you see the coupler "wobbling" or the motor vibrating on its mount, you need to realign the brackets or switch to a **Universal Joint (U-Joint)**. |
|
| 79 | - |
|
| 80 | - |
|
| 81 | - |
|
| 82 | -## ref |
|
| 83 | - |
|
| 84 | -- [[shaft-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-connection-dat/shaft-coupler-dat/2025-12-10-02-15-17.png
| ... | ... | Binary files a/mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-connection-dat/shaft-coupler-dat/2025-12-10-02-15-17.png and /dev/null differ |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-connection-dat/shaft-coupler-dat/2025-12-10-02-15-32.png
| ... | ... | Binary files a/mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-connection-dat/shaft-coupler-dat/2025-12-10-02-15-32.png and /dev/null differ |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-connection-dat/shaft-coupler-dat/shaft-coupler-dat.md
| ... | ... | @@ -1,85 +0,0 @@ |
| 1 | - |
|
| 2 | -# shaft-coupler-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -## L type coupler |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | -## Shaft Coupler |
|
| 15 | - |
|
| 16 | -A **shaft coupler** is a mechanical component used to **connect two rotating shafts**. It primarily functions to transmit torque while allowing for slight axial, radial, or angular misalignments. |
|
| 17 | - |
|
| 18 | ---- |
|
| 19 | - |
|
| 20 | -### Types of Shaft Couplers |
|
| 21 | - |
|
| 22 | -#### 1. Rigid Coupler |
|
| 23 | -- **Features**: No elasticity, provides a solid connection, requires precise shaft alignment. |
|
| 24 | -- **Applications**: High-precision CNC machines, industrial machinery. |
|
| 25 | - |
|
| 26 | -#### 2. Flexible Coupler |
|
| 27 | -- **Features**: Can absorb slight misalignment, reduce vibration, and minimize impact. |
|
| 28 | -- **Common Types**: |
|
| 29 | - - **Jaw Coupling** – Uses an elastomer insert to absorb vibrations; suitable for stepper and servo motors. |
|
| 30 | - - **Bellows Coupling** – High torque transmission capability, ideal for precision applications. |
|
| 31 | - - **Disc Coupling** – Used in high-speed and high-precision applications, such as robotics and aerospace. |
|
| 32 | - |
|
| 33 | -#### 3. Universal Joint (U-Joint) |
|
| 34 | -- **Features**: Allows for larger angular misalignment, commonly used for shafts that are not in perfect alignment. |
|
| 35 | -- **Applications**: Automotive drivetrains, heavy machinery. |
|
| 36 | - |
|
| 37 | -#### 4. Oldham Coupling |
|
| 38 | -- **Features**: Compensates for significant radial misalignment, commonly used in automation and 3D printing. |
|
| 39 | - |
|
| 40 | ---- |
|
| 41 | - |
|
| 42 | -### Key Functions of Shaft Couplers |
|
| 43 | -✅ **Torque Transmission** – Connects the motor to the driven shaft for power transfer. |
|
| 44 | -✅ **Misalignment Compensation** – Allows slight shaft misalignment, reducing stress. |
|
| 45 | -✅ **Vibration & Shock Absorption** – Helps dampen vibrations and protect mechanical components. |
|
| 46 | -✅ **Equipment Protection** – Some couplers act as safety devices in case of overload. |
|
| 47 | - |
|
| 48 | - |
|
| 49 | - |
|
| 50 | - |
|
| 51 | - |
|
| 52 | -## Why Diaphragm Couplers (Disk Couplers) Are Superior |
|
| 53 | - |
|
| 54 | -Yes, a **Diaphragm Coupler** (also known as a **Disk Coupler**) offers significantly better gripping power than a standard set-screw coupler. For a high-torque project like your **Rover V2**, this is a professional-grade upgrade. |
|
| 55 | - |
|
| 56 | ---- |
|
| 57 | - |
|
| 58 | -### 1. Clamping vs. Poking (The Grip Factor) |
|
| 59 | -The primary reason it works better is the **fixing method**: |
|
| 60 | -* **Your Current Coupler:** Uses a "Set Screw" that pokes a single point. On an aluminum tube, this just dents the metal and slips. |
|
| 61 | -* **Diaphragm Coupler:** Most use a **Clamping Design**. When you tighten the side bolt, the entire inner circumference of the coupler shrinks to "hug" the shaft 360°. |
|
| 62 | -* **Result:** The friction is distributed over the entire surface area of the shaft, making slippage nearly impossible. |
|
| 63 | - |
|
| 64 | - |
|
| 65 | - |
|
| 66 | -### 2. Eliminating Backlash (Precision) |
|
| 67 | -In robotics, you often have frequent "Start-Stop-Reverse" movements. |
|
| 68 | -* **The Problem:** Set screws eventually wiggle and create "play" (backlash). Every time the motor reverses, the screw slams against the side of its hole, widening it. |
|
| 69 | -* **The Solution:** Diaphragm couplers are **Zero-Backlash**. The torque is transmitted through thin stainless steel springs (the disks). There are no moving parts to "clatter," which keeps the connection tight forever. |
|
| 70 | - |
|
| 71 | -### 3. Comparison Table: Why Upgrade? |
|
| 72 | - |
|
| 73 | -| Feature | Entry-Level (Set Screw) | **Diaphragm (Clamping)** | |
|
| 74 | -| :--- | :--- | :--- | |
|
| 75 | -| **Grip Strength** | Low (Point contact) | **High (Surface contact)** | |
|
| 76 | -| **Shaft Damage** | Heavy (Scratches/Dents) | **Zero (Safe for Alu tubes)** | |
|
| 77 | -| **Misalignment** | Rigid (Causes vibration) | **Flexible (Absorbs offset)** | |
|
| 78 | -| **Longevity** | Low (Screws loosen) | **High (All-metal durability)** | |
|
| 79 | - |
|
| 80 | - |
|
| 81 | - |
|
| 82 | - |
|
| 83 | -## ref |
|
| 84 | - |
|
| 85 | -- [[shaft-dat]] - [[shaft-coupler]] - [[shaft]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-limit-ring-dat/2025-07-08-17-48-24.png
| ... | ... | Binary files a/mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-limit-ring-dat/2025-07-08-17-48-24.png and /dev/null differ |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-limit-ring-dat/2025-12-04-00-53-15.png
| ... | ... | Binary files a/mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-limit-ring-dat/2025-12-04-00-53-15.png and /dev/null differ |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-limit-ring-dat/shaft-limit-ring-dat.md
| ... | ... | @@ -1,60 +0,0 @@ |
| 1 | - |
|
| 2 | -# shaft-limit-ring-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -- [[shaft-dat]] - [[shaft-limit-ring-dat]] - [[hose-clamp-dat]] |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -limiter / position locker |
|
| 16 | - |
|
| 17 | -ID == 6 / OD == 12 / Thickness == 6 |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | -## sizes specs |
|
| 22 | - |
|
| 23 | -❗️规格：内径 ID - 外径 OD - 厚度 Thickness |
|
| 24 | - |
|
| 25 | -- Φ3 - 7 - 6（5套） |
|
| 26 | -- Φ3 - 7 - 8（5套） |
|
| 27 | -- Φ4 - 8 - 6（5套） |
|
| 28 | -- Φ4 - 8 - 8（5套） |
|
| 29 | -- Φ5 - 11 - 6（5套） |
|
| 30 | -- Φ5 - 11 - 8（5套） |
|
| 31 | - |
|
| 32 | -- Φ6 - 12 - 6（5套） |
|
| 33 | -- Φ6 - 12 - 8（5套） |
|
| 34 | - |
|
| 35 | -- Φ8 - 14 - 6（5套） |
|
| 36 | -- Φ8 - 14 - 8（5套） |
|
| 37 | -- Φ10 - 16 - 6（3套） |
|
| 38 | -- Φ10 - 16 - 8（3套） |
|
| 39 | -- Φ12 - 20 - 6（3套） |
|
| 40 | -- Φ12 - 20 - 8（3套） |
|
| 41 | -- Φ13 - 22 - 8（3套） |
|
| 42 | -- Φ14 - 21 - 8（3套） |
|
| 43 | -- Φ15 - 24 - 10（3套） |
|
| 44 | -- Φ16 - 26 - 10（3套） |
|
| 45 | -- Φ17 - 32 - 10（2套） |
|
| 46 | -- Φ18 - 32 - 10（2套） |
|
| 47 | -- Φ20 - 32 - 10（2套） |
|
| 48 | -- Φ20 - 32 - 12（2套） |
|
| 49 | -- Φ22 - 35 - 10（2套） |
|
| 50 | -- Φ25 - 38 - 12（2套） |
|
| 51 | -- Φ30 - 46 - 15（1套） |
|
| 52 | -- Φ32 - 46 - 15（1套） |
|
| 53 | -- Φ35 - 50 - 15（1套） |
|
| 54 | -- Φ40 - 60 - 20（1套） |
|
| 55 | -- Φ45 - 60 - 20（1套） |
|
| 56 | -- Φ50 - 70 - 22（1套） |
|
| 57 | - |
|
| 58 | -## ref |
|
| 59 | - |
|
| 60 | -- [[screw-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-locking-dat.md
| ... | ... | @@ -1,50 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# shaft-locking-dat.md |
|
| 4 | - |
|
| 5 | -- [[shaft-dat]] - [[shaft-locking-dat]] |
|
| 6 | - |
|
| 7 | -- [[shaft-limit-ring-dat]] - [[hose-clamp-dat]] |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -## most common locking method |
|
| 11 | - |
|
| 12 | -- velcro straps |
|
| 13 | -- zip ties |
|
| 14 | -- metal zip ties |
|
| 15 | - |
|
| 16 | - |
|
| 17 | -## other common locking methods 以下是一些常见的固定方式： |
|
| 18 | - |
|
| 19 | -一、管道连接和固定方式 (Pipe/Tube Connections and Fasteners): |
|
| 20 | - |
|
| 21 | -1. 螺纹连接 (Threaded Connection): 通过管道和管件上的内外螺纹直接连接。常见于小直径管道，安装和拆卸方便。 |
|
| 22 | -2. 法兰连接 (Flange Connection): 通过法兰盘、螺栓和垫片将管道或设备连接起来。承压能力强，常用于高压工况、大口径管道及需要频繁检修的场合。 |
|
| 23 | -3. 焊接连接 (Welding Connection): 通过加热使管道接口和焊条熔合连接。连接牢固、密封性好、耐用且成本低，常用于不镀锌钢管和大直径管道。 |
|
| 24 | -4. 卡压式连接 (Press-Fit/Compression Connection): 使用带有特制橡胶密封圈的管件，通过专用工具挤压，实现密封和定位固定。安装快捷、密封可靠，但通常不能拆卸。 |
|
| 25 | -5. 沟槽连接 / 卡箍连接 (Grooved Clamp Connection): 在管材、管件接头处加工环形沟槽，使用卡箍和橡胶密封圈连接。施工快捷、密封性好、便于拆卸，广泛应用于消防、空调、给水等大直径管道系统。 |
|
| 26 | -6. 卡套式连接 (Ferrule/Compression Fitting): 将配件螺母套在管道端头，通过螺旋力将管口套管压缩，实现密封连接。安装方便，可拆卸，常用于铝塑复合管和铜管。 |
|
| 27 | -7. 热熔连接 (Hot-Melt Connection): 主要用于PPR等塑料管道，通过热熔器将管道两端加热后连接。 |
|
| 28 | -8. 承插连接 (Socket Connection): 主要用于铸铁管的连接，有柔性连接（橡胶圈密封）和刚性连接（石棉水泥或膨胀性填料密封）两种。 |
|
| 29 | -9. 抱箍式连接 (Clamp Connection - for ducts): 主要用于圆形钢制通风管道与螺旋风管之间的连接。 |
|
| 30 | -10. 软管式连接 (Hose Connection): 通常指用于管道之间柔性连接的方式。 |
|
| 31 | - |
|
| 32 | -二、其他固定和支撑方式 (Other Fastening and Support Methods): |
|
| 33 | - |
|
| 34 | -1. 铆钉 (Rivets): 可以将管道连接到其他结构，在需要强度且不希望有突出部分时使用。 |
|
| 35 | -2. 粘合剂 (Adhesive): 在特定应用中，可以使用强力粘合剂来连接管件或将管道固定到其他表面，特别是在需要平滑表面或不使用机械紧固件的情况下。 |
|
| 36 | -3. 螺钉/螺栓 (Screws/Bolts): 可以通过多种方式将管状结构固定到板材或框架上，例如配合使用单孔或双孔管夹（straps）、法兰连接件。 |
|
| 37 | -4. 管夹（Pipe Clamps - general）: 除了喉箍，还有各种工业管夹，以及用于将管道固定到墙壁或结构上的专用管夹和吊架。 |
|
| 38 | -5. 支架和吊架 (Brackets and Hangers): 定制或购买各种支架和吊架，将管道固定在墙壁、天花板或其他结构上，如U型支架、吊杆等。 |
|
| 39 | -6. 膨胀螺栓/锚栓 (Anchors): 当管道需要固定在混凝土或砖石结构上时，可配合管夹使用膨胀螺栓或化学锚栓。 |
|
| 40 | -7. 槽钢和U型夹 (Strut Channel and U-Bolts): 在工业和建筑领域，常用槽钢配合U型螺栓或其他专用夹具来支撑和固定管道。 |
|
| 41 | -8. 棘轮捆绑带 / 捆扎材料 (Ratchet Straps / Strapping Material): 适用于临时固定、运输或需要施加较大压力的场合。 |
|
| 42 | -9. 管垫块和缓冲环 (Pipe Chocks and Bumper Rings): 在管道运输和储存过程中，防止管道滚动或移动，或保护管道免受冲击损伤。 |
|
| 43 | - |
|
| 44 | -在选择固定方式时，需要综合考虑管道材质、尺寸、环境条件（温度、压力、腐蚀、振动）、承重要求、是否需要频繁拆卸、安装便捷性、成本、美观性以及相关的法规和标准。 |
|
| 45 | - |
|
| 46 | - |
|
| 47 | -## ref |
|
| 48 | - |
|
| 49 | - |
|
| 50 | - |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-screw-system-dat/2026-02-06-16-44-52.png
| ... | ... | Binary files a/mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-screw-system-dat/2026-02-06-16-44-52.png and /dev/null differ |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-screw-system-dat/shaft-screw-system-dat.md
| ... | ... | @@ -1,4 +0,0 @@ |
| 1 | - |
|
| 2 | -# shaft-screw-system-dat |
|
| 3 | - |
|
| 4 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-supporter-dat.md
| ... | ... | @@ -1,8 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | - |
|
| 4 | -# shaft-supporter-dat.md |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -- [[rc-boat-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-waterproof-dat/shaft-waterproof-dat.md
| ... | ... | @@ -1,24 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# shaft-waterproof-dat |
|
| 4 | - |
|
| 5 | -- [[shaft-dat]] - [[shaft-waterproof-dat]] - [[waterproof-dat]] |
|
| 6 | - |
|
| 7 | -## 4. Shaft and Linkage Sealing |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -The servo horn/output shaft must exit the housing. Options: |
|
| 11 | - |
|
| 12 | -- **Magnetic coupling** to transfer motion without shaft penetration. |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -- **Sealed rotary feedthrough** with O-ring. |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | -## ref |
|
| 23 | - |
|
| 24 | -- [[shaft-dat]] |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/2025-12-30-14-08-27.png
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mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/2025-12-30-14-08-49.png
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mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/2025-12-30-14-19-59.png
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mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/2025-12-30-14-29-07.png
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mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-PVC-dat/2025-12-10-02-22-35.png
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mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-PVC-dat/tube-PVC-dat.md
| ... | ... | @@ -1,179 +0,0 @@ |
| 1 | - |
|
| 2 | -# PVC-tube-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -### PVC tube |
|
| 7 | - |
|
| 8 | -- 16 * 1.5mm |
|
| 9 | -- 20 * 1.8mm |
|
| 10 | -- 25 * 2.0mm |
|
| 11 | -- 32 * 2.2mm |
|
| 12 | -- 40 * 2.3mm |
|
| 13 | -- 16 * 1.3mm |
|
| 14 | -- 20 * 1.4mm |
|
| 15 | -- 25 * 1.6mm |
|
| 16 | -- 32 * 1.9mm |
|
| 17 | -- 40 * 2.0mm |
|
| 18 | - |
|
| 19 | - |
|
| 20 | -### small diameter tube |
|
| 21 | - |
|
| 22 | -- inner == 3 mm x outter == 5 mm |
|
| 23 | -- inner == 4 mm x outter == 6 mm |
|
| 24 | -- inner == 5 mm x outter == 7 mm |
|
| 25 | -- **inner == 6 mm x outter == 8 mm** |
|
| 26 | -- inner == 7 mm x outter == 9 mm |
|
| 27 | -- inner == 8 mm x outter == 10mm |
|
| 28 | -- inner == 9 mm x outter == 11mm |
|
| 29 | -- inner == 9 mm x outter == 12mm |
|
| 30 | -- inner == 10 mm x outter == 12mm |
|
| 31 | -- inner == 11 mm x outter == 13mm |
|
| 32 | -- inner == 12 mm x outter == 14mm |
|
| 33 | - |
|
| 34 | -- inner == 13 x outter 15mm |
|
| 35 | -- inner == 13 x outter 16mm |
|
| 36 | -- inner == 14 x outter 17mm |
|
| 37 | -- inner == 15 x outter 18mm |
|
| 38 | -- inner == 16 x outter 19mm |
|
| 39 | -- inner == 17 x outter 20mm |
|
| 40 | -- inner == 18 x outter 21mm |
|
| 41 | -- inner == 19 x outter 22mm |
|
| 42 | -- inner == 20 x outter 23mm |
|
| 43 | -- inner == 21 x outter 24mm |
|
| 44 | - |
|
| 45 | - |
|
| 46 | -- outter == 20mm * thickness 2.0 mm |
|
| 47 | -- outter == 25mm * thickness 2.0 mm |
|
| 48 | -- outter == 32mm * thickness 2.4 mm |
|
| 49 | -- outter == 40mm * thickness 2.0 mm |
|
| 50 | -- outter == 50mm * thickness 2.4 mm |
|
| 51 | -- outter == 63mm * thickness 3.0 mm |
|
| 52 | -- outter == 75mm * thickness 3.6 mm |
|
| 53 | - |
|
| 54 | - |
|
| 55 | -### PVC tube build |
|
| 56 | - |
|
| 57 | -| Outer diameter | thickness | length | |
|
| 58 | -| -------------- | --------- | --------- | |
|
| 59 | -| 6mm | 1mm | [1 meter] | |
|
| 60 | -| 7mm | 1mm | [1 meter] | |
|
| 61 | -| 8mm | 1mm | [1 meter] | |
|
| 62 | -| 9mm | 1mm | [1 meter] | |
|
| 63 | -| 10mm | 1mm | [1 meter] | |
|
| 64 | -| 11mm | 1mm | [1 meter] | |
|
| 65 | -| 12mm | 1mm | [1 meter] | |
|
| 66 | -| 13mm | 1mm | [1 meter] | |
|
| 67 | -| 14mm | 1mm | [1 meter] | |
|
| 68 | -| 16mm | 2mm | [1 meter] | |
|
| 69 | - |
|
| 70 | -- [[pressure-dat]] - [[physics-dat]] |
|
| 71 | - |
|
| 72 | -- [[pressure-design-dat]] |
|
| 73 | - |
|
| 74 | - |
|
| 75 | -## PVC tube tools |
|
| 76 | - |
|
| 77 | -- [[cutter-dat]] special PVC tube cutter |
|
| 78 | - |
|
| 79 | -- [[glue-dat]] |
|
| 80 | - |
|
| 81 | - |
|
| 82 | - |
|
| 83 | -## water tube standard |
|
| 84 | - |
|
| 85 | -- 1/4 |
|
| 86 | -- 1/8 |
|
| 87 | -- 3/8 |
|
| 88 | -- 1/2 |
|
| 89 | - |
|
| 90 | - |
|
| 91 | - |
|
| 92 | -## PVC DN standard |
|
| 93 | - |
|
| 94 | -**DN** = **Nominal Diameter** (measured in millimeters, mm). |
|
| 95 | -It is a standardized naming system mainly used in ISO, European, and British pipe standards. |
|
| 96 | - |
|
| 97 | -### Meaning |
|
| 98 | -- **DN16** → Nominal Diameter **16 mm** |
|
| 99 | -- **DN25** → Nominal Diameter **25 mm** |
|
| 100 | - |
|
| 101 | -Note: DN is an approximate *reference size*. Actual inner and outer diameters vary by material and pressure rating. |
|
| 102 | - |
|
| 103 | ---- |
|
| 104 | - |
|
| 105 | -### Common Outer Diameters (Example: ISO / PPR / PVC Systems) |
|
| 106 | - |
|
| 107 | -| DN Size | Typical OD | Notes | |
|
| 108 | -|--------|-------------|-------| |
|
| 109 | -| **DN16** | ~20–25 mm OD | Small pipe for irrigation or household plumbing | |
|
| 110 | -| **DN25** | ~32–34 mm OD | Common water supply pipe size | |
|
| 111 | - |
|
| 112 | ---- |
|
| 113 | - |
|
| 114 | -### DN vs OD vs ID |
|
| 115 | -- **DN** → Naming size (not exact) |
|
| 116 | -- **OD** → Outer Diameter (actual measured size) |
|
| 117 | -- **ID** → Inner Diameter (depends on wall thickness) |
|
| 118 | - |
|
| 119 | -Example (PVC PN16): |
|
| 120 | -- DN25 → OD 32 mm |
|
| 121 | -- DN16 → OD 20 mm |
|
| 122 | - |
|
| 123 | - |
|
| 124 | - |
|
| 125 | - |
|
| 126 | - |
|
| 127 | -## PVC tube under hydrostatic pressure |
|
| 128 | - |
|
| 129 | -### Overview |
|
| 130 | -Quick reference for hydrostatic pressure effects on PVC tubes and why common PVC piping and joints are unsuitable for deep-water use. |
|
| 131 | - |
|
| 132 | -### Pressure basics |
|
| 133 | -- Water pressure increases by ~1 atmosphere (≈ 0.1 MPa) every 10 m of depth. |
|
| 134 | -- At 100 m depth the absolute pressure is roughly 11 atm ≈ 1.1 MPa. |
|
| 135 | - |
|
| 136 | -### Common PVC pressure ratings (internal pressure) |
|
| 137 | -- PN10: rated ~1.0 MPa (≈ 100 m water column) |
|
| 138 | -- PN16: rated ~1.6 MPa (≈ 160 m water column) |
|
| 139 | - |
|
| 140 | -Note: These ratings apply to internal-pressure tests (pipe containing pressurized fluid). External hydrostatic pressure (surrounding water pressing inward) is a different loading condition and can be more damaging. |
|
| 141 | - |
|
| 142 | -### Failure modes under external (deep-water) pressure |
|
| 143 | -- Wall collapse (pipe being crushed inward) |
|
| 144 | -- Deformation at solvent-welded joints |
|
| 145 | -- Micro-cracks or fissures forming near joints |
|
| 146 | -- Joint regions are mechanically weaker than the pipe body and typically fail first |
|
| 147 | - |
|
| 148 | -### Can ordinary PVC solvent-weld joints survive at 100 m depth? |
|
| 149 | -Short answer: No guarantee. Standard household PVC with solvent-welded joints is not suitable for long-term deep-water use. |
|
| 150 | - |
|
| 151 | -### Reasons |
|
| 152 | -1. Solvent-weld joint strength is usually lower than the pipe material itself — joints tend to fail first under high loads. |
|
| 153 | -2. Joints are vulnerable to deformation from external pressure — compression can open gaps in the sealed zone. |
|
| 154 | -3. PVC pipe material is not designed for sustained external hydrostatic compression — deep-water loads can produce micro-cracks or permanent deformation. |
|
| 155 | -4. Temperature fluctuations cause seal fatigue — large temperature changes (common in deep water) increase stresses at joints and accelerate failure. |
|
| 156 | - |
|
| 157 | -### Recommendation |
|
| 158 | -For DIY or household use, do not rely on PVC + solvent welding for sustained operation at ~100 m depth. Use purpose-built pressure housings, materials, and joining methods rated for external hydrostatic pressure |
|
| 159 | - |
|
| 160 | - |
|
| 161 | - |
|
| 162 | - |
|
| 163 | - |
|
| 164 | -## Connector |
|
| 165 | - |
|
| 166 | - |
|
| 167 | - |
|
| 168 | - |
|
| 169 | - |
|
| 170 | - |
|
| 171 | -## ref |
|
| 172 | - |
|
| 173 | -- [[rod-system-dat]] |
|
| 174 | - |
|
| 175 | - |
|
| 176 | -## ref |
|
| 177 | - |
|
| 178 | -- [[tube]] - [[BOM]] |
|
| 179 | - |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-bend-dat/2026-03-14-17-59-45.png
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mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-bend-dat/2026-03-14-18-00-24.png
| ... | ... | Binary files a/mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-bend-dat/2026-03-14-18-00-24.png and /dev/null differ |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-bend-dat/2026-03-14-18-05-48.png
| ... | ... | Binary files a/mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-bend-dat/2026-03-14-18-05-48.png and /dev/null differ |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-bend-dat/2026-04-04-20-45-44.png
| ... | ... | Binary files a/mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-bend-dat/2026-04-04-20-45-44.png and /dev/null differ |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-bend-dat/tube-bend-dat.md
| ... | ... | @@ -1,46 +0,0 @@ |
| 1 | - |
|
| 2 | -# tube-bend-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -## hand tool 2 |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -need [[screw-dat]] or [[nail-dat]] M6 ~ M8 |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -## hand tool 1 |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | -## R15 |
|
| 24 | - |
|
| 25 | -Quick reference table (R = 15 mm) |
|
| 26 | - |
|
| 27 | -| Bend angle | Total bend length (mm) | Middle point (mm) | |
|
| 28 | -| ---------- | ---------------------- | ----------------- | |
|
| 29 | -| 45° | 11.78 | 5.89 | |
|
| 30 | -| 60° | 15.71 | 7.85 | |
|
| 31 | -| 90° | 23.56 | 11.78 | |
|
| 32 | - |
|
| 33 | - |
|
| 34 | -## fix "Twist" (Clocking) |
|
| 35 | - |
|
| 36 | -If the material is steel or aluminum and the diameter isn't too large, you might be able to "cold straighten" it: |
|
| 37 | - |
|
| 38 | -`The Table Test`: Lay the tube on a flat welding table or floor. Press one end flat. If the other end is lifting off the surface, that is your error. |
|
| 39 | - |
|
| 40 | -`The Lever Method`: Secure one end in a heavy-duty vise (use soft jaws or wood blocks to protect the tube). Slide a longer, larger pipe over the other end to act as a lever, and gently twist until the two horizontal sections are coplanar. |
|
| 41 | - |
|
| 42 | - |
|
| 43 | - |
|
| 44 | -## ref |
|
| 45 | - |
|
| 46 | -- [[tube-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-copper-dat/tube-copper-dat.md
| ... | ... | @@ -1,314 +0,0 @@ |
| 1 | - |
|
| 2 | -# tube-copper-dat |
|
| 3 | - |
|
| 4 | -尺寸：外径*壁厚（单位：毫米mm）注意毫米！0.5M价格！ |
|
| 5 | - |
|
| 6 | -| | OD (mm) | ID | wall thickness (mm) | L | |
|
| 7 | -| -------- | ------- | --- | ------------------- | ----- | |
|
| 8 | -| | 0.8 | | 0.15 | 0.5M | |
|
| 9 | -| | 0.8 | | 0.2 | 0.5M | |
|
| 10 | -| | 0.9 | | 0.15 | 0.5M | |
|
| 11 | -| | 1 | | 0.2 | 0.5M | |
|
| 12 | -| | 1 | | 0.25 | 0.5M | |
|
| 13 | -| | 1 | | 0.3 | 0.5M | |
|
| 14 | -| | 1.2 | | 0.2 | 0.5M | |
|
| 15 | -| | 1.2 | | 0.25 | 0.5M | |
|
| 16 | -| | 1.2 | | 0.3 | 0.5M | |
|
| 17 | -| | 1.2 | | 0.4 | 0.5M | |
|
| 18 | -| | 1.3 | | 0.2 | 0.5M | |
|
| 19 | -| | 1.5 | | 0.2 | 0.5M | |
|
| 20 | -| | 1.5 | | 0.25 | 0.5M | |
|
| 21 | -| | 1.5 | | 0.3 | 0.5M | |
|
| 22 | -| | 1.5 | | 0.35 | 0.5M | |
|
| 23 | -| | 1.5 | | 0.5 | 0.5M | |
|
| 24 | -| | 1.6 | | 0.2 | 0.5M | |
|
| 25 | -| | 1.6 | | 0.3 | 0.5M | |
|
| 26 | -| | 1.8 | | 0.2 | 0.5M | |
|
| 27 | -| | 1.8 | | 0.25 | 0.5M | |
|
| 28 | -| | 1.8 | | 0.3 | 0.5M | |
|
| 29 | -| | 1.8 | | 0.4 | 0.5M | |
|
| 30 | -| | 1.9 | | 0.15 | 0.5M | |
|
| 31 | -| | 2 | | 0.2 | 0.5M | |
|
| 32 | -| | 2 | | 0.25 | 0.5M | |
|
| 33 | -| | 2 | | 0.3 | 0.5M | |
|
| 34 | -| | 2 | | 0.35 | 0.5M | |
|
| 35 | -| | 2 | | 0.5 | 200mm | |
|
| 36 | -| | 2 | | 0.5 | 0.5M | |
|
| 37 | -| | 2 | | 0.6 | 0.5M | |
|
| 38 | -| | 2.2 | | 0.2 | 0.5M | |
|
| 39 | -| | 2.5 | | 0.2 | 0.5M | |
|
| 40 | -| | 2.5 | | 0.25 | 0.5M | |
|
| 41 | -| | 2.5 | | 0.3 | 0.5M | |
|
| 42 | -| | 2.5 | | 0.5 | 0.5M | |
|
| 43 | -| | 2.5 | | 0.75 | 0.5M | |
|
| 44 | -| | 3 | | 0.2 | 0.5M | |
|
| 45 | -| | 3 | | 0.25 | 0.5M | |
|
| 46 | -| | 3 | | 0.3 | 0.5M | |
|
| 47 | -| | 3 | | 0.4 | 0.5M | |
|
| 48 | -| | 3 | | 0.5 | 200mm | |
|
| 49 | -| | 3 | | 0.5 | 0.5M | |
|
| 50 | -| | 3 | | 0.75 | 0.5M | |
|
| 51 | -| | 3 | | 1 | 200mm | |
|
| 52 | -| | 3 | | 1 | 0.5M | |
|
| 53 | -| | 3.5 | | 0.15 | 0.5M | |
|
| 54 | -| | 3.5 | | 0.2 | 0.5M | |
|
| 55 | -| | 3.5 | | 0.25 | 0.5M | |
|
| 56 | -| | 3.5 | | 0.3 | 0.5M | |
|
| 57 | -| | 3.5 | | 0.5 | 0.5M | |
|
| 58 | -| | 3.5 | | 0.75 | 0.5M | |
|
| 59 | -| | 3.5 | | 1 | 0.5M | |
|
| 60 | -| | 4 | | 0.2 | 0.5M | |
|
| 61 | -| | 4 | | 0.25 | 0.5M | |
|
| 62 | -| | 4 | | 0.3 | 0.5M | |
|
| 63 | -| | 4 | | 0.4 | 0.5M | |
|
| 64 | -| | 4 | | 0.5 | 200mm | |
|
| 65 | -| | 4 | | 0.5 | 0.5M | |
|
| 66 | -| | 4 | | 0.75 | 0.5M | |
|
| 67 | -| | 4 | | 1 | 200mm | |
|
| 68 | -| | 4 | | 1 | 0.5M | |
|
| 69 | -| | 4.5 | | 0.2 | 0.5M | |
|
| 70 | -| | 4.5 | | 0.25 | 0.5M | |
|
| 71 | -| | 4.5 | | 0.3 | 0.5M | |
|
| 72 | -| | 4.5 | | 0.5 | 0.5M | |
|
| 73 | -| | 4.5 | | 0.75 | 0.5M | |
|
| 74 | -| | 5 | | 0.2 | 0.5M | |
|
| 75 | -| | 5 | | 0.25 | 0.5M | |
|
| 76 | -| | 5 | | 0.3 | 0.5M | |
|
| 77 | -| | 5 | | 0.4 | 0.5M | |
|
| 78 | -| | 5 | | 0.5 | 200mm | |
|
| 79 | -| | 5 | | 0.5 | 0.5M | |
|
| 80 | -| | 5 | | 0.75 | 0.5M | |
|
| 81 | -| | 5 | | 1 | 200mm | |
|
| 82 | -| | 5 | | 1 | 0.5M | |
|
| 83 | -| | 5 | | 1.5 | 0.5M | |
|
| 84 | -| | 5.5 | | 0.2 | 0.5M | |
|
| 85 | -| | 5.5 | | 0.25 | 0.5M | |
|
| 86 | -| | 5.5 | | 0.3 | 0.5M | |
|
| 87 | -| | 5.5 | | 0.5 | 0.5M | |
|
| 88 | -| | 5.5 | | 1 | 0.5M | |
|
| 89 | -| | 6 | | 0.2 | 0.5M | |
|
| 90 | -| | 6 | | 0.25 | 0.5M | |
|
| 91 | -| | 6 | | 0.3 | 0.5M | |
|
| 92 | -| | 6 | | 0.4 | 0.5M | |
|
| 93 | -| | 6 | | 0.5 | 200mm | |
|
| 94 | -| | 6 | | 0.5 | 0.5M | |
|
| 95 | -| | 6 | | 0.75 | 0.5M | |
|
| 96 | -| | 6 | | 1 | 200mm | |
|
| 97 | -| | 6 | | 1 | 0.5M | |
|
| 98 | -| | 6 | | 1.2 | 0.5M | |
|
| 99 | -| | 6 | | 1.5 | 200mm | |
|
| 100 | -| | 6 | | 1.5 | 0.5M | |
|
| 101 | -| | 6 | | 2 | 0.5M | |
|
| 102 | -| | 6.5 | | 0.25 | 0.5M | |
|
| 103 | -| | 6.5 | | 0.5 | 0.5M | |
|
| 104 | -| | 6.5 | | 1 | 0.5M | |
|
| 105 | -| | 7 | | 0.2 | 0.5M | |
|
| 106 | -| | 7 | | 0.25 | 0.5M | |
|
| 107 | -| | 7 | | 0.3 | 0.5M | |
|
| 108 | -| | 7 | | 0.5 | 0.5M | |
|
| 109 | -| | 7 | | 0.75 | 0.5M | |
|
| 110 | -| | 7 | | 1 | 200mm | |
|
| 111 | -| | 7 | | 1 | 0.5M | |
|
| 112 | -| | 7 | | 1.5 | 0.5M | |
|
| 113 | -| | 7 | | 2 | 0.5M | |
|
| 114 | -| | 7.5 | | 0.25 | 0.5M | |
|
| 115 | -| | 7.5 | | 0.5 | 0.5M | |
|
| 116 | -| | 7.5 | | 1 | 0.5M | |
|
| 117 | -| | 8 | | 0.2 | 0.5M | |
|
| 118 | -| | 8 | | 0.25 | 0.5M | |
|
| 119 | -| | 8 | | 0.3 | 0.5M | |
|
| 120 | -| | 8 | | 0.4 | 0.5M | |
|
| 121 | -| | 8 | | 0.5 | 200mm | |
|
| 122 | -| | 8 | | 0.5 | 0.5M | |
|
| 123 | -| | 8 | | 0.8 | 0.5M | |
|
| 124 | -| | 8 | | 1 | 200mm | |
|
| 125 | -| | 8 | | 1 | 0.5M | |
|
| 126 | -| | 8 | | 1.5 | 200mm | |
|
| 127 | -| | 8 | | 1.5 | 0.5M | |
|
| 128 | -| | 8 | | 2 | 200mm | |
|
| 129 | -| | 8 | | 2 | 0.5M | |
|
| 130 | -| | 8.5 | | 0.25 | 0.5M | |
|
| 131 | -| | 8.5 | | 0.5 | 0.5M | |
|
| 132 | -| | 8.5 | 6.5 | 1 | 0.5M | |
|
| 133 | -| | 9 | | 0.2 | 0.5M | |
|
| 134 | -| | 9 | | 0.3 | 0.5M | |
|
| 135 | -| | 9 | | 0.5 | 0.5M | |
|
| 136 | -| | 9 | 7 | 1 | 0.5M | |
|
| 137 | -| | 9 | 6 | 1.5 | 0.5M | |
|
| 138 | -| | 9 | | 2 | 0.5M | |
|
| 139 | -| | 9.5 | | 0.2 | 0.5M | |
|
| 140 | -| | 9.5 | | 0.25 | 0.5M | |
|
| 141 | -| | 9.5 | | 0.5 | 0.5M | |
|
| 142 | -| | 9.5 | 7.5 | 1 | 0.5M | |
|
| 143 | -| | 10 | | 0.2 | 0.5M | |
|
| 144 | -| | 10 | | 0.25 | 0.5M | |
|
| 145 | -| | 10 | | 0.3 | 0.5M | |
|
| 146 | -| | 10 | | 0.5 | 200mm | |
|
| 147 | -| | 10 | | 0.5 | 0.5M | |
|
| 148 | -| | 10 | | 1 | 200mm | |
|
| 149 | -| | 10 | | 1 | 0.5M | |
|
| 150 | -| | 10 | | 1.5 | 200mm | |
|
| 151 | -| 10-7-1.5 | 10 | 7 | 1.5 | 0.5M | |
|
| 152 | -| | 10 | 6 | 2 | 200mm | |
|
| 153 | -| 10-6-2 | 10 | 6 | 2 | 0.5M | |
|
| 154 | -| | 10 | | 2.5 | 0.5M | |
|
| 155 | -| | 10 | | 3 | 0.5M | |
|
| 156 | -| | 11 | | 0.5 | 0.5M | |
|
| 157 | -| | 11 | | 1 | 0.5M | |
|
| 158 | -| | 11 | | 1.5 | 0.5M | |
|
| 159 | -| 11-7-2 | 11 | 7 | 2 | 0.5M | |
|
| 160 | -| | 12 | | 0.3 | 485mm | |
|
| 161 | -| | 12 | | 0.3 | 0.5M | |
|
| 162 | -| | 12 | | 0.5 | 200mm | |
|
| 163 | -| | 12 | | 0.5 | 0.5M | |
|
| 164 | -| | 12 | | 0.8 | 0.5M | |
|
| 165 | -| | 12 | | 1 | 200mm | |
|
| 166 | -| | 12 | | 1 | 0.5M | |
|
| 167 | -| 12-9-1.5 | 12 | 9 | 1.5 | 200mm | |
|
| 168 | -| | 12 | | 1.5 | 0.5M | |
|
| 169 | -| | 12 | 8 | 2 | 200mm | |
|
| 170 | -| | 12 | 8 | 2 | 0.5M | |
|
| 171 | -| | 12 | 6 | 3 | 0.5M | |
|
| 172 | -| | 13 | | 0.5 | 0.5M | |
|
| 173 | -| | 13 | | 1 | 0.5M | |
|
| 174 | -| | 13 | | 1.5 | 0.5M | |
|
| 175 | -| | 13 | 9 | 2 | 0.5M | |
|
| 176 | -| | 14 | | 0.5 | 200mm | |
|
| 177 | -| | 14 | | 0.5 | 0.5M | |
|
| 178 | -| | 14 | | 1 | 200mm | |
|
| 179 | -| | 14 | | 1 | 0.5M | |
|
| 180 | -| | 14 | | 1.5 | 200mm | |
|
| 181 | -| | 14 | | 1.5 | 0.5M | |
|
| 182 | -| | 14 | | 2 | 200mm | |
|
| 183 | -| | 14 | | 2 | 0.5M | |
|
| 184 | -| | 14 | 8 | 3 | 0.5M | |
|
| 185 | -| | 15 | | 0.5 | 200mm | |
|
| 186 | -| | 15 | | 0.5 | 0.5M | |
|
| 187 | -| | 15 | | 1 | 200mm | |
|
| 188 | -| | 15 | | 1 | 0.5M | |
|
| 189 | -| | 15 | | 1.5 | 200mm | |
|
| 190 | -| | 15 | | 1.5 | 0.5M | |
|
| 191 | -| | 15 | | 2 | 200mm | |
|
| 192 | -| | 15 | | 2 | 0.5M | |
|
| 193 | -| | 15 | | 3 | 0.5M | |
|
| 194 | -| | 16 | | 0.5 | 0.5M | |
|
| 195 | -| | 16 | | 1 | 0.5M | |
|
| 196 | -| | 16 | | 1.5 | 0.5M | |
|
| 197 | -| | 16 | | 2 | 0.5M | |
|
| 198 | -| | 16 | | 3 | 0.5M | |
|
| 199 | -| | 17 | | 0.5 | 0.5M | |
|
| 200 | -| | 17 | | 1 | 0.5M | |
|
| 201 | -| | 17 | | 1.5 | 0.5M | |
|
| 202 | -| | 17 | | 2 | 0.5M | |
|
| 203 | -| | 18 | | 0.5 | 0.5M | |
|
| 204 | -| | 18 | | 1 | 0.5M | |
|
| 205 | -| | 18 | | 1.5 | 0.5M | |
|
| 206 | -| | 18 | | 2 | 0.5M | |
|
| 207 | -| | 18 | | 3 | 0.5M | |
|
| 208 | -| | 19 | | 0.5 | 0.5M | |
|
| 209 | -| | 19 | | 1 | 0.5M | |
|
| 210 | -| | 19 | | 1.5 | 0.5M | |
|
| 211 | -| | 19 | | 2 | 0.5M | |
|
| 212 | -| | 20 | | 1 | 0.5M | |
|
| 213 | -| | 20 | | 1.5 | 0.5M | |
|
| 214 | -| | 20 | | 2 | 0.5M | |
|
| 215 | -| | 20 | | 2.5 | 0.5M | |
|
| 216 | -| | 20 | | 3 | 0.5M | |
|
| 217 | -| | 21 | | 0.5 | 0.5M | |
|
| 218 | -| | 21 | | 1 | 0.5M | |
|
| 219 | -| | 21 | | 1.5 | 0.5M | |
|
| 220 | -| | 21 | | 2 | 0.5M | |
|
| 221 | -| | 22 | | 0.5 | 0.5M | |
|
| 222 | -| | 22 | | 1 | 0.5M | |
|
| 223 | -| | 22 | | 1.5 | 0.5M | |
|
| 224 | -| | 22 | | 2 | 0.5M | |
|
| 225 | -| | 22 | | 3 | 0.5M | |
|
| 226 | -| | 23 | | 0.5 | 0.5M | |
|
| 227 | -| | 23 | | 1 | 0.5M | |
|
| 228 | -| | 23 | | 1.5 | 0.5M | |
|
| 229 | -| | 23 | | 2 | 0.5M | |
|
| 230 | -| | 24 | | 0.5 | 0.5M | |
|
| 231 | -| | 24 | | 1 | 0.5M | |
|
| 232 | -| | 24 | | 1.5 | 0.5M | |
|
| 233 | -| | 24 | | 2 | 0.5M | |
|
| 234 | -| | 25 | | 0.5 | 0.5M | |
|
| 235 | -| | 25 | | 1 | 0.5M | |
|
| 236 | -| | 25 | | 1.5 | 0.5M | |
|
| 237 | -| | 25 | | 2 | 0.5M | |
|
| 238 | -| | 25 | | 3 | 0.5M | |
|
| 239 | -| | 25 | | 5 | 0.5M | |
|
| 240 | -| | 26 | | 1 | 0.5M | |
|
| 241 | -| | 26 | | 1.5 | 0.5M | |
|
| 242 | -| | 26 | | 2 | 0.5M | |
|
| 243 | -| | 26 | | 3 | 0.5M | |
|
| 244 | -| | 27 | | 1 | 0.5M | |
|
| 245 | -| | 27 | | 1.5 | 0.5M | |
|
| 246 | -| | 27 | | 2 | 0.5M | |
|
| 247 | -| | 28 | | 1 | 0.5M | |
|
| 248 | -| | 28 | | 1.5 | 0.5M | |
|
| 249 | -| | 28 | | 2 | 0.5M | |
|
| 250 | -| | 28 | | 3 | 0.5M | |
|
| 251 | -| | 29 | | 1 | 0.5M | |
|
| 252 | -| | 29 | | 1.5 | 0.5M | |
|
| 253 | -| | 29 | | 2 | 0.5M | |
|
| 254 | -| | 30 | | 1 | 0.5M | |
|
| 255 | -| | 30 | | 1.5 | 0.5M | |
|
| 256 | -| | 30 | | 2 | 0.5M | |
|
| 257 | -| | 30 | | 3 | 0.5M | |
|
| 258 | -| | 32 | | 1 | 0.5M | |
|
| 259 | -| | 32 | | 1.5 | 0.5M | |
|
| 260 | -| | 32 | | 2 | 0.5M | |
|
| 261 | -| | 32 | | 3 | 0.5M | |
|
| 262 | -| | 35 | | 1 | 0.5M | |
|
| 263 | -| | 35 | | 1.5 | 0.5M | |
|
| 264 | -| | 35 | | 2 | 0.5M | |
|
| 265 | -| | 35 | | 2.5 | 0.5M | |
|
| 266 | -| | 35 | | 3 | 0.5M | |
|
| 267 | -| | 38 | | 1 | 0.5M | |
|
| 268 | -| | 38 | | 1.5 | 0.5M | |
|
| 269 | -| | 38 | | 2 | 0.5M | |
|
| 270 | -| | 40 | | 1 | 0.5M | |
|
| 271 | -| | 40 | | 1.5 | 0.5M | |
|
| 272 | -| | 40 | | 2 | 0.5M | |
|
| 273 | -| | 40 | | 3 | 0.5M | |
|
| 274 | -| | 42 | | 1 | 0.5M | |
|
| 275 | -| | 42 | | 1.5 | 0.5M | |
|
| 276 | -| | 42 | | 2 | 0.5M | |
|
| 277 | -| | 45 | | 1 | 0.5M | |
|
| 278 | -| | 45 | | 1.5 | 0.5M | |
|
| 279 | -| | 45 | | 2 | 0.5M | |
|
| 280 | -| | 45 | | 3 | 0.5M | |
|
| 281 | -| | 48 | | 1 | 0.5M | |
|
| 282 | -| | 48 | | 1.5 | 0.5M | |
|
| 283 | -| | 50 | | 1 | 0.5M | |
|
| 284 | -| | 50 | | 1.5 | 0.5M | |
|
| 285 | -| | 50 | | 2.5 | 0.5M | |
|
| 286 | -| | 50 | | 3 | 0.5M | |
|
| 287 | -| | 55 | | 1.5 | 0.5M | |
|
| 288 | -| | 55 | | 2 | 0.5M | |
|
| 289 | -| | 55 | | 3 | 0.5M | |
|
| 290 | -| | 60 | | 1 | 0.5M | |
|
| 291 | -| | 60 | | 1.5 | 0.5M | |
|
| 292 | -| | 60 | | 2 | 0.5M | |
|
| 293 | -| | 60 | | 3 | 0.5M | |
|
| 294 | -| | 65 | | 1 | 0.5M | |
|
| 295 | -| | 65 | | 1.5 | 0.5M | |
|
| 296 | -| | 65 | | 2 | 0.5M | |
|
| 297 | -| | 65 | | 3 | 0.5M | |
|
| 298 | -| | 70 | | 1.5 | 0.5M | |
|
| 299 | -| | 70 | | 2 | 0.5M | |
|
| 300 | -| | 75 | | 1.5 | 0.5M | |
|
| 301 | -| | 75 | | 2 | 0.5M | |
|
| 302 | -| | 75 | | 3 | 0.5M | |
|
| 303 | -| | 80 | | 1.5 | 0.5M | |
|
| 304 | -| | 80 | | 2 | 0.5M | |
|
| 305 | -| | 80 | | 3 | 0.5M | |
|
| 306 | -| | 85 | | 3 | 200mm | |
|
| 307 | -| | 90 | | 3 | 200mm | |
|
| 308 | -| | 100 | | 2.5 | 200mm | |
|
| 309 | -| | 100 | | 4 | 200mm | |
|
| 310 | - |
|
| 311 | - |
|
| 312 | - |
|
| 313 | - |
|
| 314 | - |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-dat.md
| ... | ... | @@ -1,185 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# tube-dat |
|
| 4 | - |
|
| 5 | -- [[shaft-dat]] - [[tube-dat]] - [[rod-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -- [[tube-copper-dat]] |
|
| 9 | - |
|
| 10 | -- [[tube-pvc-dat]] |
|
| 11 | - |
|
| 12 | -- [[shaft-dat]] |
|
| 13 | - |
|
| 14 | -- [[fab-tools-dat]] - [[grinder-dat]] |
|
| 15 | - |
|
| 16 | - |
|
| 17 | -- [[tube-bend-dat]] |
|
| 18 | - |
|
| 19 | -- [[shaft-dat]] - [[tube-lean-dat]] - [[tube-copper-dat]] - [[tube-oval-dat]] - [[tube-PVC-dat]] - [[tube-steel-square-dat]] |
|
| 20 | - |
|
| 21 | -6mm 以下 |
|
| 22 | - |
|
| 23 | -聚氨酯管 |
|
| 24 | - |
|
| 25 | -氟管, 铁氟龙管 |
|
| 26 | - |
|
| 27 | -PA6尼龙管 |
|
| 28 | - |
|
| 29 | -硅胶软管 |
|
| 30 | - |
|
| 31 | - |
|
| 32 | -以下为 **≤6 mm 管径** 常见材料的**典型物理属性对比**（工程常用范围，具体数值会随配方/厂家变化）： |
|
| 33 | - |
|
| 34 | -| 材料 | 常见英文 | 密度 (g/cm³) | 硬度 | 抗拉强度 (MPa) | 工作温度 (°C) | 柔韧性 | 耐化学性 | 典型特点 | |
|
| 35 | -| --------------- | ------------------ | ------------ | ------------- | -------------- | ------------- | ------ | -------- | ------------------------------ | |
|
| 36 | -| 聚氨酯管 | PU / TPU Tube | 1.10–1.25 | Shore A 80–98 | 30–55 | -40 ~ +80 | ⭐⭐⭐⭐ | ⭐⭐⭐ | 高弹性、耐磨、回弹好，气动常用 | |
|
| 37 | -| 氟管 / 铁氟龙管 | PTFE Tube | 2.10–2.30 | Shore D 50–65 | 20–35 | -200 ~ +260 | ⭐ | ⭐⭐⭐⭐⭐ | 极强耐腐蚀、低摩擦、不老化 | |
|
| 38 | -| PA6 尼龙管 | PA6 / Nylon 6 Tube | 1.12–1.15 | Shore D 70–80 | 50–80 | -40 ~ +120 | ⭐⭐ | ⭐⭐⭐⭐ | 强度高、耐压好、尺寸稳定 | |
|
| 39 | -| 硅胶软管 | Silicone Tube | 1.10–1.20 | Shore A 30–70 | 5–12 | -60 ~ +200 | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | 极柔软、耐高低温、生物惰性 | |
|
| 40 | - |
|
| 41 | ---- |
|
| 42 | - |
|
| 43 | -### 关键工程对比要点（≤6 mm 管径时尤为明显） |
|
| 44 | - |
|
| 45 | -- **耐压能力（由高到低）** |
|
| 46 | - PA6 尼龙 ＞ PU ＞ PTFE（薄壁） ＞ 硅胶 |
|
| 47 | -- **柔软度 / 可弯折性** |
|
| 48 | - 硅胶 ＞ PU ＞ PA6 ＞ PTFE |
|
| 49 | -- **耐化学 / 溶剂** |
|
| 50 | - PTFE ＞ PA6 ≈ 硅胶 ＞ PU |
|
| 51 | -- **耐磨性** |
|
| 52 | - PU ＞ PA6 ＞ PTFE ＞ 硅胶 |
|
| 53 | - |
|
| 54 | - |
|
| 55 | - |
|
| 56 | - |
|
| 57 | -## tube holder |
|
| 58 | - |
|
| 59 | - |
|
| 60 | - |
|
| 61 | - |
|
| 62 | - |
|
| 63 | - |
|
| 64 | - |
|
| 65 | -## tubes |
|
| 66 | - |
|
| 67 | - |
|
| 68 | - |
|
| 69 | -- 蓝色 四氟管 铁氟龙管 ptfe 聚四氟乙烯管 |
|
| 70 | -- PA6 尼龙管 |
|
| 71 | -- 红色 硅胶管 耐高温软管 |
|
| 72 | -- 聚氨酯 空心棒材 减震 PU 空心管 弹性胶棒 橡胶棒 优力胶棒 |
|
| 73 | - |
|
| 74 | - |
|
| 75 | - |
|
| 76 | - |
|
| 77 | - |
|
| 78 | - |
|
| 79 | - |
|
| 80 | - |
|
| 81 | -# tube-dat |
|
| 82 | - |
|
| 83 | -### PVC tube |
|
| 84 | - |
|
| 85 | -- 16 * 1.5mm |
|
| 86 | -- 20 * 1.8mm |
|
| 87 | -- 25 * 2.0mm |
|
| 88 | -- 32 * 2.2mm |
|
| 89 | -- 40 * 2.3mm |
|
| 90 | -- 16 * 1.3mm |
|
| 91 | -- 20 * 1.4mm |
|
| 92 | -- 25 * 1.6mm |
|
| 93 | -- 32 * 1.9mm |
|
| 94 | -- 40 * 2.0mm |
|
| 95 | - |
|
| 96 | - |
|
| 97 | -### small diameter tube |
|
| 98 | - |
|
| 99 | -- inner == 3 mm x outter == 5 mm |
|
| 100 | -- inner == 4 mm x outter == 6 mm |
|
| 101 | -- inner == 5 mm x outter == 7 mm |
|
| 102 | -- **inner == 6 mm x outter == 8 mm** |
|
| 103 | -- inner == 7 mm x outter == 9 mm |
|
| 104 | -- inner == 8 mm x outter == 10mm |
|
| 105 | -- inner == 9 mm x outter == 11mm |
|
| 106 | -- inner == 9 mm x outter == 12mm |
|
| 107 | -- inner == 10 mm x outter == 12mm |
|
| 108 | -- inner == 11 mm x outter == 13mm |
|
| 109 | -- inner == 12 mm x outter == 14mm |
|
| 110 | - |
|
| 111 | -- inner == 13 x outter 15mm |
|
| 112 | -- inner == 13 x outter 16mm |
|
| 113 | -- inner == 14 x outter 17mm |
|
| 114 | -- inner == 15 x outter 18mm |
|
| 115 | -- inner == 16 x outter 19mm |
|
| 116 | -- inner == 17 x outter 20mm |
|
| 117 | -- inner == 18 x outter 21mm |
|
| 118 | -- inner == 19 x outter 22mm |
|
| 119 | -- inner == 20 x outter 23mm |
|
| 120 | -- inner == 21 x outter 24mm |
|
| 121 | - |
|
| 122 | - |
|
| 123 | -- outter == 20mm * thickness 2.0 mm |
|
| 124 | -- outter == 25mm * thickness 2.0 mm |
|
| 125 | -- outter == 32mm * thickness 2.4 mm |
|
| 126 | -- outter == 40mm * thickness 2.0 mm |
|
| 127 | -- outter == 50mm * thickness 2.4 mm |
|
| 128 | -- outter == 63mm * thickness 3.0 mm |
|
| 129 | -- outter == 75mm * thickness 3.6 mm |
|
| 130 | - |
|
| 131 | - |
|
| 132 | -## S-shaped shaft |
|
| 133 | - |
|
| 134 | -Based on your diagram, you have an S-shaped shaft with a **6mm outer diameter** and a **2mm wall thickness**. This leaves a very small **2mm hollow center**. While a 2mm wall is relatively thick for a 6mm tube, the S-bend creates significant "leverage points" that concentrate stress at the curves. |
|
| 135 | - |
|
| 136 | -Here are the best ways to improve the strength of this specific component for your **Rover V2**: |
|
| 137 | - |
|
| 138 | ---- |
|
| 139 | - |
|
| 140 | -### 1. Internal Reinforcement (The "Core" Method) |
|
| 141 | -Since your tube has a 2mm internal hole, you can significantly increase its resistance to bending and snapping by filling that void. |
|
| 142 | -* **Steel Core:** Insert a **2mm stainless steel wire** or rod into the center before bending. This creates a "composite" shaft where the aluminum provides the shape and the steel provides the structural backbone. |
|
| 143 | -* **High-Strength Epoxy:** If a solid rod won't fit through the curves, inject a high-strength structural epoxy into the tube. While not as strong as steel, it prevents the tube walls from buckling inward. |
|
| 144 | - |
|
| 145 | -### 2. Material Upgrade |
|
| 146 | -Aluminum (likely 6061 or similar) is prone to "work hardening" and cracking at the bend points. |
|
| 147 | -* **Switch to Stainless Steel Tubing:** A 6mm stainless steel tube with a 1mm or 1.5mm wall will be significantly stiffer and stronger than your current 2mm-wall aluminum tube. |
|
| 148 | -* **Carbon Fiber Sleeving:** If weight is a major concern for your rover, you can slide a carbon fiber sleeve over the straight sections of the shaft and epoxy it in place to prevent flexing. |
|
| 149 | - |
|
| 150 | -### 3. Geometry Adjustments |
|
| 151 | -The "S" shape naturally wants to twist (torsion) and straighten out under load. |
|
| 152 | -* **Increase Bend Radius:** Your drawing shows an **R15** bend. If your chassis allows it, increasing this radius to R20 or R25 reduces the stress concentration at the curve and makes the metal less likely to fatigue. |
|
| 153 | -* **Support Bearings:** The best way to "strengthen" a shaft is to take the load off it. Add a **flange bearing** as close to the bends as possible. This prevents the shaft from acting like a long lever arm that pries against your motor. |
|
| 154 | - |
|
| 155 | - |
|
| 156 | ---- |
|
| 157 | - |
|
| 158 | -### 4. Comparison of Stiffness |
|
| 159 | - |
|
| 160 | -| Material/Setup | Stiffness (Relative) | Failure Risk | |
|
| 161 | -| :---------------------------- | :------------------- | :--------------------------------- | |
|
| 162 | -| **Current (2mm Alu Tube)** | Baseline | High (Bending/Snapping at R15) | |
|
| 163 | -| **Alu Tube + 2mm Steel Core** | **2x Higher** | Low (Steel prevents total failure) | |
|
| 164 | -| **Solid 6mm Steel Rod** | **5x Higher** | Very Low | |
|
| 165 | -| **6mm Stainless Tube** | **3x Higher** | Moderate | |
|
| 166 | - |
|
| 167 | - |
|
| 168 | -## app |
|
| 169 | - |
|
| 170 | -- [[crane-dat]] |
|
| 171 | - |
|
| 172 | -## accessories |
|
| 173 | - |
|
| 174 | -- [[hook-crane-dat]] |
|
| 175 | - |
|
| 176 | -## ref |
|
| 177 | - |
|
| 178 | -- [[tube]] - [[BOM]] |
|
| 179 | - |
|
| 180 | - |
|
| 181 | - |
|
| 182 | - |
|
| 183 | -## ref |
|
| 184 | - |
|
| 185 | -- [[shaft-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-lean-dat/tube-lean-dat.md
| ... | ... | @@ -1,105 +0,0 @@ |
| 1 | - |
|
| 2 | -# lean-tube-dat |
|
| 3 | - |
|
| 4 | -lean tube system gen3 |
|
| 5 | - |
|
| 6 | -**Third-Generation Lean Tube = Aluminum alloy pipes + internal embedded connectors + highly modular + fast assembly system** |
|
| 7 | - |
|
| 8 | -In simple terms: |
|
| 9 | -> **A fusion of lean tube systems and industrial aluminum profile advantages** |
|
| 10 | - |
|
| 11 | ---- |
|
| 12 | - |
|
| 13 | -## 3. Key Features of Third-Generation Lean Tube |
|
| 14 | - |
|
| 15 | -### 1️⃣ Internal Embedded Connections (Main Upgrade) |
|
| 16 | -- Connectors are **hidden inside the pipe** |
|
| 17 | -- No exposed clamps or bolts on the surface |
|
| 18 | - |
|
| 19 | -**Benefits**: |
|
| 20 | -- Clean and modern appearance |
|
| 21 | -- Safer (no sharp edges) |
|
| 22 | -- Ideal for cleanroom and ESD environments |
|
| 23 | - |
|
| 24 | ---- |
|
| 25 | - |
|
| 26 | -### 2️⃣ Fast Assembly & Easy Adjustment |
|
| 27 | -- Typically assembled with **a single hex key** |
|
| 28 | -- Supports: |
|
| 29 | - - Height adjustment |
|
| 30 | - - Angle adjustment |
|
| 31 | -- Non-permanent connections, reusable components |
|
| 32 | - |
|
| 33 | -**Perfect for**: |
|
| 34 | -- Rapid prototyping |
|
| 35 | -- Frequent layout changes |
|
| 36 | -- Small-batch production setups |
|
| 37 | - |
|
| 38 | ---- |
|
| 39 | - |
|
| 40 | -### 3️⃣ Improved Precision and Rigidity |
|
| 41 | -- Pipes are usually made from: |
|
| 42 | - - High-strength aluminum alloys (e.g., 6000 series) |
|
| 43 | -- Compared to Gen 1: |
|
| 44 | - - Less deformation |
|
| 45 | - - Better dimensional repeatability |
|
| 46 | - - More stable structures |
|
| 47 | - |
|
| 48 | ---- |
|
| 49 | - |
|
| 50 | -### 4️⃣ High Modularity |
|
| 51 | -Supports flexible combinations: |
|
| 52 | -- Straight joints |
|
| 53 | -- 45° / 90° joints |
|
| 54 | -- T-joints / Cross joints |
|
| 55 | -- Sliding and telescopic structures |
|
| 56 | - |
|
| 57 | -Can be easily integrated with: |
|
| 58 | -- Rollers |
|
| 59 | -- Conveyor tracks |
|
| 60 | -- Lighting |
|
| 61 | -- Tool boards |
|
| 62 | -- Sensors |
|
| 63 | - |
|
| 64 | ---- |
|
| 65 | - |
|
| 66 | -### 5️⃣ System-Oriented Design |
|
| 67 | -Third-generation lean tube systems are usually sold as **complete systems**, including: |
|
| 68 | -- Pipes |
|
| 69 | -- Internal connectors |
|
| 70 | -- Functional modules |
|
| 71 | - |
|
| 72 | -Often provided with: |
|
| 73 | -- Workstation systems |
|
| 74 | -- Logistics systems |
|
| 75 | -- Material handling solutions |
|
| 76 | - |
|
| 77 | ---- |
|
| 78 | - |
|
| 79 | -## 4. Third-Generation Lean Tube vs Industrial Aluminum Profiles |
|
| 80 | - |
|
| 81 | -| Comparison Item | 3rd-Gen Lean Tube | Aluminum T-Slot Profiles | |
|
| 82 | -|-----------------|------------------|--------------------------| |
|
| 83 | -| Assembly Speed | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | |
|
| 84 | -| On-site Adjustment | Excellent | Moderate | |
|
| 85 | -| Appearance | Clean & rounded | Industrial | |
|
| 86 | -| Cost | Medium | Medium–High | |
|
| 87 | -| Max Load Capacity | Medium–High | Very High | |
|
| 88 | -| Typical Use | Workstations, carts, logistics | Machine frames, heavy equipment | |
|
| 89 | - |
|
| 90 | -**Note**: For heavy machine frames, aluminum T-slot profiles are better. |
|
| 91 | -For human-centered workstations, Gen 3 lean tube is more efficient. |
|
| 92 | - |
|
| 93 | ---- |
|
| 94 | - |
|
| 95 | -## 5. Typical Applications |
|
| 96 | -- Lean production workstations |
|
| 97 | -- ESD-safe work tables |
|
| 98 | -- R&D and laboratory platforms |
|
| 99 | -- Logistics carts |
|
| 100 | -- Light automation support frames |
|
| 101 | - |
|
| 102 | - |
|
| 103 | -## ref |
|
| 104 | - |
|
| 105 | -- [[tube-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-oval-dat/2025-12-29-14-50-01.png
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mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-oval-dat/2025-12-29-14-50-15.png
| ... | ... | Binary files a/mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-oval-dat/2025-12-29-14-50-15.png and /dev/null differ |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-oval-dat/tube-oval-dat.md
| ... | ... | @@ -1,12 +0,0 @@ |
| 1 | - |
|
| 2 | -# tube-oval-dat |
|
| 3 | - |
|
| 4 | -- oval tube |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -## ref |
|
| 11 | - |
|
| 12 | -- [[tube-oval]] - [[rod]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-steel-square-dat/2026-02-06-16-48-36.png
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mechanics-dat/mechanical-structure-dat/Shaft-dat/tube-dat/tube-steel-square-dat/tube-steel-square-dat.md
| ... | ... | @@ -1,9 +0,0 @@ |
| 1 | - |
|
| 2 | -# tube-steel-square-dat |
|
| 3 | - |
|
| 4 | -- [[construction-dat]] - [[rod-wood-dat]] - [[tube-steel-square-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -metal tube connector |
|
| 8 | - |
|
| 9 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/belt-sys-dat/belt-dat/belt-dat.md
| ... | ... | @@ -1,116 +0,0 @@ |
| 1 | - |
|
| 2 | -# belt-sys-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[timing-pulley-dat]] - [[idler-dat]] - [[belt-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -# belt-dat |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -## open loop belt |
|
| 16 | - |
|
| 17 | -GT2_Belt_6mm |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | -## 闭环同步带 |
|
| 22 | - |
|
| 23 | - |
|
| 24 | -GT2-6-200（2mm pitch，6mm 宽，200mm 周长） |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | -## 紧张方案 |
|
| 30 | - |
|
| 31 | -✅ 方案 2：惰轮张紧（最优雅） |
|
| 32 | - O ← 惰轮 |
|
| 33 | - / \ |
|
| 34 | -==== ==== |
|
| 35 | - |
|
| 36 | - |
|
| 37 | -惰轮压在同步带背面 |
|
| 38 | - |
|
| 39 | -微调惰轮位置即可张紧 |
|
| 40 | - |
|
| 41 | -优点 |
|
| 42 | - |
|
| 43 | -中心距可固定 |
|
| 44 | - |
|
| 45 | -微调方便 |
|
| 46 | - |
|
| 47 | -张力可控 |
|
| 48 | - |
|
| 49 | -缺点： |
|
| 50 | - |
|
| 51 | -多一个轮子 |
|
| 52 | - |
|
| 53 | -占空间 |
|
| 54 | - |
|
| 55 | - |
|
| 56 | - |
|
| 57 | - |
|
| 58 | -Compact closed-loop GT2 timing belt configuration and length calculation. |
|
| 59 | - |
|
| 60 | -## Overview |
|
| 61 | -- Belt type: GT2 (2 mm pitch) |
|
| 62 | -- Belt width: 6 mm |
|
| 63 | -- Pulley teeth (both ends): 20T × 2 (1:1 drive) |
|
| 64 | -- Center distance (C): 149 mm |
|
| 65 | - |
|
| 66 | -## Formulas |
|
| 67 | -- Pulley pitch diameter: |
|
| 68 | - |
|
| 69 | - D = (T × P) / π |
|
| 70 | - |
|
| 71 | - where |
|
| 72 | - - D = pulley pitch diameter (mm) |
|
| 73 | - - T = number of teeth |
|
| 74 | - - P = belt pitch (mm) |
|
| 75 | - |
|
| 76 | -- Closed-loop belt length for two equal pulleys (1:1): |
|
| 77 | - |
|
| 78 | - L = 2C + πD |
|
| 79 | - |
|
| 80 | - where |
|
| 81 | - - L = belt pitch-line length (mm) |
|
| 82 | - - C = center distance between shafts (mm) |
|
| 83 | - |
|
| 84 | -## Example calculation (20T GT2 pulley) |
|
| 85 | -1. Pulley pitch diameter: |
|
| 86 | - |
|
| 87 | - T = 20 teeth |
|
| 88 | - P = 2 mm |
|
| 89 | - |
|
| 90 | - D = (20 × 2) / π ≈ 40 / π ≈ 12.73 mm |
|
| 91 | - |
|
| 92 | -2. Belt length: |
|
| 93 | - |
|
| 94 | - L = 2 × 149 + π × 12.73 |
|
| 95 | - L ≈ 298 + 40 = 338 mm |
|
| 96 | - |
|
| 97 | -## Recommendation |
|
| 98 | -- Preferred standard belt: **GT2-6-340** (GT2, 6 mm width, 340 mm circumference) — strongly recommended. |
|
| 99 | -- GT2-6-338 is not a standard size and is hard to source. |
|
| 100 | -- Choose the 340 mm belt and use an adjustable tensioning mechanism (tensioner or idler) to take up the ~2 mm difference. |
|
| 101 | - |
|
| 102 | -## Summary (specifications) |
|
| 103 | -- Pitch: GT2 (2 mm) |
|
| 104 | -- Width: 6 mm |
|
| 105 | -- Recommended belt circumference: 340 mm |
|
| 106 | -- Pulleys: 20T × 2 (both ends) |
|
| 107 | -- Center distance: 149 mm |
|
| 108 | - |
|
| 109 | -Notes: |
|
| 110 | -- Using a standard 340 mm belt simplifies sourcing and inventory. |
|
| 111 | -- Use a tensioner to ensure proper belt tension and compensate for the small length difference. |
|
| 112 | - |
|
| 113 | - |
|
| 114 | -## ref |
|
| 115 | - |
|
| 116 | -- [[belt-sys]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/belt-sys-dat/pulley-dat/2025-04-11-16-38-50.png
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mechanics-dat/mechanical-structure-dat/belt-sys-dat/pulley-dat/2025-04-11-17-02-34.png
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mechanics-dat/mechanical-structure-dat/belt-sys-dat/pulley-dat/pulley-dat.md
| ... | ... | @@ -1,92 +0,0 @@ |
| 1 | - |
|
| 2 | -# timing-pulley-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -- [[pulley-dat]] - [[pulley-drive-dat]] - [[pulley-drive-dat]] |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -| modes | category | teeth | inner diameter | belt width | note | |
|
| 10 | -| :------------- | :------- | :---- | :------------- | :--------- | :---: | |
|
| 11 | -| GT2_20T_8B_6mm | 2GT | 20 | 8 | 6 | - | |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -### GT2_Timing_Pulley_20T_8B_6mm v8 |
|
| 17 | - |
|
| 18 | -The **GT2 Timing Pulley 20T 8B 6mm (v8)** refers to a specific type of timing pulley used in belt-driven motion systems, often found in 3D printers, CNC machines, and other precision mechanical setups. Here’s a breakdown of its specifications: |
|
| 19 | - |
|
| 20 | -- **GT2**: Refers to the pulley type designed for **GT2 timing belts**, which have a 2mm pitch (distance between teeth). This type is commonly used in applications requiring precise movement and low backlash. |
|
| 21 | -- **Timing Pulley**: A mechanical component with teeth that engage with a timing belt to transfer motion with high accuracy. |
|
| 22 | -- **20T**: This pulley has **20 teeth**, which affects the step resolution and speed of the driven mechanism. |
|
| 23 | -- **8B**: Indicates an **8mm bore diameter**, meaning it fits shafts with an 8mm diameter. |
|
| 24 | -- **6mm**: This refers to the **belt width** it is compatible with, which is typically a **6mm-wide GT2 timing belt**. |
|
| 25 | -- **v8**: This likely refers to the **version** or **design iteration** of the pulley. |
|
| 26 | - |
|
| 27 | -This pulley is commonly used in precise motion control applications like 3D printing, where smooth and accurate belt-driven motion is needed. Let me know if you need further details! 🚀 |
|
| 28 | - |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | -## GT2_Timing_Pulley_20T_8B_6mm |
|
| 33 | - |
|
| 34 | -- **GT2**: Refers to the tooth profile – 2 mm pitch (distance between teeth), ideal for precise motion control (e.g., 3D printers). |
|
| 35 | -- **20T**: 20 Teeth – the pulley has 20 teeth around its circumference. |
|
| 36 | -- **8B**: 8 mm **inner bore diameter** (fits an 8 mm shaft). |
|
| 37 | -- **6mm**: **Belt width** – designed for 6 mm wide GT2 timing belts. |
|
| 38 | - |
|
| 39 | -## Summary: |
|
| 40 | -This is a 20-tooth GT2 pulley with an 8 mm bore, suitable for 6 mm belts. It's commonly used in 3D printers, CNC machines, and robotics for accurate belt-driven motion. |
|
| 41 | - |
|
| 42 | -https://cad.onshape.com/documents/707b8372a3c9ced9cde96289/v/ee73401f89c866bc22119094/e/19e0ed0d5720546e9089804c?showReturnToWorkspaceLink=true |
|
| 43 | - |
|
| 44 | -- measured witdth = 9 mm |
|
| 45 | -- measured hole = 5 mm |
|
| 46 | - |
|
| 47 | - |
|
| 48 | - |
|
| 49 | -## GT2_Timing_Pulley_20T_8B_5mm |
|
| 50 | - |
|
| 51 | -the following images show inner hole 5mm, not 6mm |
|
| 52 | - |
|
| 53 | - |
|
| 54 | - |
|
| 55 | - |
|
| 56 | -## timing pulley VS. Coupler |
|
| 57 | - |
|
| 58 | -### 🔧 1. Function |
|
| 59 | - |
|
| 60 | -| Aspect | **Timing Pulley** | **Idler Pulley** | |
|
| 61 | -| ------- | ------------------------------------------------- | ------------------------------------------------ | |
|
| 62 | -| Purpose | Transmits power between shafts via timing belt | Guides or maintains tension in the belt | |
|
| 63 | -| Motion | Rotates with and drives the shaft it's mounted on | Usually free-spinning (not connected to a motor) | |
|
| 64 | - |
|
| 65 | ---- |
|
| 66 | - |
|
| 67 | -### 🔁 2. Power Transmission |
|
| 68 | - |
|
| 69 | -| Aspect | **Timing Pulley** | **Idler Pulley** | |
|
| 70 | -| -------------- | ----------------------------------------------- | ------------------------------------------- | |
|
| 71 | -| Power Transfer | Yes – transfers torque and synchronizes timing | No – only redirects or tensions the belt | |
|
| 72 | -| Engagement | Toothed belt fits precisely to prevent slippage | May or may not be toothed; sometimes smooth | |
|
| 73 | - |
|
| 74 | ---- |
|
| 75 | - |
|
| 76 | -### ⚙️ 3. Mounting and Design |
|
| 77 | - |
|
| 78 | -| Aspect | **Timing Pulley** | **Idler Pulley** | |
|
| 79 | -| -------------- | -------------------------------------- | ------------------------------------------- | |
|
| 80 | -| Shaft Mount | Mounted on driven or driving shaft | Mounted on a stationary or pivoting bracket | |
|
| 81 | -| Size Variation | Chosen for gear ratio and torque needs | Chosen based on tensioning or routing needs | |
|
| 82 | - |
|
| 83 | ---- |
|
| 84 | - |
|
| 85 | -#### 🛠️ Example Scenario |
|
| 86 | - |
|
| 87 | -In a **3D printer or CNC machine**, the motor uses a **timing pulley** to drive a toothed belt, while an **idler pulley** on the other side keeps the belt tight and correctly aligned. |
|
| 88 | - |
|
| 89 | - |
|
| 90 | -## ref |
|
| 91 | - |
|
| 92 | -- [[timing-pulley]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/belt-sys-dat/pulley-dat/pulley-drive-dat/2026-01-07-14-55-34.png
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mechanics-dat/mechanical-structure-dat/belt-sys-dat/pulley-dat/pulley-drive-dat/pulley-drive-dat.md
| ... | ... | @@ -1,43 +0,0 @@ |
| 1 | - |
|
| 2 | -# pulley-drive-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[pulley-dat]] - [[pulley-drive-dat]] - [[pulley-drive-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -- 普通版（16齿高14)内孔5mm |
|
| 11 | -- 普通版（20齿高16)内孔5mm |
|
| 12 | -- 普通版（20齿高16)内孔6.35mm |
|
| 13 | -- 普通版（20齿高16)内孔8mm |
|
| 14 | -- 普通版（20齿带宽6)内孔6mm |
|
| 15 | -- 普通版（20齿高16)内孔4mm |
|
| 16 | -- 普通版（16齿高14)内孔6mm |
|
| 17 | -- 高品质（16齿高14)内孔5mm |
|
| 18 | -- 高品质（20齿高16)内孔5mm |
|
| 19 | -- 高品质（20齿高16)内孔6.35mm |
|
| 20 | -- 高品质（20齿高16)内孔8mm |
|
| 21 | -- 高品质（20齿带宽6)内孔6mm |
|
| 22 | -- 30齿内孔5mm（带宽6mm） |
|
| 23 | -- 30齿内孔8mm（带宽6mm） |
|
| 24 | -- 36齿内孔5mm（带宽6mm） |
|
| 25 | -- 36齿内孔6.35mm（带宽6mm） |
|
| 26 | -- 36齿内孔8mm（带宽6mm） |
|
| 27 | -- 40齿内孔6.35mm（带宽6mm） |
|
| 28 | -- 40齿内孔5mm（带宽6mm） |
|
| 29 | -- 40齿内孔8mm（带宽6mm） |
|
| 30 | -- 40齿内孔10mm（带宽6mm） |
|
| 31 | -- 40齿内孔12mm（带宽6mm） |
|
| 32 | -- 80齿内孔5mm（带宽6mm） |
|
| 33 | -- 80齿内孔5mm（带宽6mm）黑色 |
|
| 34 | -- 40齿/内径5mm带宽10 |
|
| 35 | -- 16齿内孔5mm高20带宽10 |
|
| 36 | -- 20齿内孔5mm高19带宽10 |
|
| 37 | -- 20齿内孔6.35mm高19带宽10 |
|
| 38 | -- 20齿内孔8mm高19带宽10 |
|
| 39 | -- 20齿内孔6.35mm带宽10外径14 |
|
| 40 | -- M3扳手【适用16齿同步轮】 |
|
| 41 | -- M4扳手【适用20齿及以上同步轮】 |
|
| 42 | - |
|
| 43 | - |
mechanics-dat/mechanical-structure-dat/belt-sys-dat/pulley-dat/pulley-idler-dat/pulley-idler-dat.md
| ... | ... | @@ -1,15 +0,0 @@ |
| 1 | - |
|
| 2 | -# idler-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -- [[pulley-dat]] - [[pulley-drive-dat]] - [[pulley-drive-dat]] |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## GT2_Idler_20T_5B_6mm |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -## ref |
|
| 14 | - |
|
| 15 | -- [[idler]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/belt-sys-dat/tensioner-dat/2026-01-09-02-18-16.png
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mechanics-dat/mechanical-structure-dat/belt-sys-dat/tensioner-dat/2026-01-09-02-18-33.png
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mechanics-dat/mechanical-structure-dat/belt-sys-dat/tensioner-dat/tensioner-dat.md
| ... | ... | @@ -1,10 +0,0 @@ |
| 1 | - |
|
| 2 | -# tensioner-dat |
|
| 3 | - |
|
| 4 | -- [[wheel-Eccentric-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -- [[crank-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/chain-dat/2026-01-08-13-43-34.png
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mechanics-dat/mechanical-structure-dat/chain-dat/2026-01-08-13-45-31.png
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mechanics-dat/mechanical-structure-dat/chain-dat/chain-dat.md
| ... | ... | @@ -1,129 +0,0 @@ |
| 1 | -# chain-dat |
|
| 2 | - |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -## chain gear Sprocket |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -## chain types |
|
| 12 | - |
|
| 13 | -| Chain / Model | Pitch (in) | Pitch (mm) | Internal Width (W) | Avg. Tensile Strength | Typical / Best Use Case | |
|
| 14 | -| :------------------------------- | :--------- | :--------- | :----------------: | :-------------------: | :---------------------------------------------- | |
|
| 15 | -| **Bicycle Standard (410 / 415)** | 1/2" | 12.70 | — | — | Standard bicycles, most electric bike motors | |
|
| 16 | -| **#25 (1/4")** | 1/4" | 6.35 | 3.18 mm | ~4,000 N | Small, high-speed motors; miniature robotics | |
|
| 17 | -| **T8F (8 mm)** | — | 8.00 | 4.80 mm | ~6,000 N | Heavy-duty scooters; higher-torque small drives | |
|
| 18 | -| **#35 (3/8")** | 3/8" | 9.525 | 4.77 mm | ~9,500 N | Go-karts, high-power motors, heavy-load DIY | |
|
| 19 | - |
|
| 20 | -Notes: |
|
| 21 | -- Pitch is the most critical parameter — chain and sprocket must share the same pitch to mesh correctly. |
|
| 22 | -- Inner width (W) and tooth thickness must match or be compatible with the sprocket. |
|
| 23 | - |
|
| 24 | - |
|
| 25 | -## 1/2" Circular Pitch (CP) / #40 Sprockets |
|
| 26 | - |
|
| 27 | -If the gear is designed for a 1/2" spacing (common in ANSI #40 roller chains or 1/2" CP spur gears), the following tooth counts are industry standards: |
|
| 28 | - |
|
| 29 | -| Category | Common Tooth Counts ($N$) | |
|
| 30 | -| :----------------------- | :----------------------------- | |
|
| 31 | -| **Small (Drive/Pinion)** | 9, 10, 11, 12, 13, 14, 15 | |
|
| 32 | -| **Medium (Idler)** | 16, 17, 18, 19, 20, 24, 25 | |
|
| 33 | -| **Large (Driven)** | 30, 32, 35, 40, 48, 54, 60, 72 | |
|
| 34 | - |
|
| 35 | - |
|
| 36 | - |
|
| 37 | -## main specs |
|
| 38 | - |
|
| 39 | -- 06B |
|
| 40 | -- 08B |
|
| 41 | - |
|
| 42 | - |
|
| 43 | -## specs |
|
| 44 | - |
|
| 45 | -### 1. Chain — Main Parameters |
|
| 46 | - |
|
| 47 | -| Parameter | Description | Unit / Example | |
|
| 48 | -| ----------------------------- | ------------------------------------------------------- | ------------------------ | |
|
| 49 | -| Pitch (p) | Distance between adjacent roller centers | mm (e.g., 12.7, 15.875) | |
|
| 50 | -| Roller Diameter (d₁) | Roller outer diameter | mm | |
|
| 51 | -| Inner Width (b₁) | Inner width between chain plates (sprocket tooth fit) | mm | |
|
| 52 | -| Chain Length | Total number of links × pitch | mm | |
|
| 53 | -| Plate Thickness | Determines load capacity | mm | |
|
| 54 | -| Tensile Strength / Rated Load | Maximum allowable tension the chain can carry | N or kN | |
|
| 55 | -| Type / Series | Standard or series (ANSI, ISO, DIN, light/medium/heavy) | e.g., ANSI 40, DIN 08B-1 | |
|
| 56 | - |
|
| 57 | -> ⚠️ Pitch is the most critical parameter. The chain and sprocket must have the same pitch to mesh correctly. |
|
| 58 | - |
|
| 59 | -### 2. Sprocket — Main Parameters |
|
| 60 | - |
|
| 61 | -| Parameter | Description | Unit / Example | |
|
| 62 | -| --------------------------------- | --------------------------------------------- | -------------------------------- | |
|
| 63 | -| Number of Teeth (z) | Sprocket tooth count; determines gear ratio | 10–120 teeth | |
|
| 64 | -| Pitch (p) | Must match the chain pitch | mm | |
|
| 65 | -| Tooth Profile Standard | Defines the tooth shape for proper engagement | ANSI, ISO, DIN | |
|
| 66 | -| Outside Diameter (OD) | Useful for layout and clearance calculations | mm | |
|
| 67 | -| Mounting Bore / Pin Hole Diameter | Sprocket mounting for shaft or bolts | mm | |
|
| 68 | -| Thickness / Tooth Width | Must be compatible with chain inner width | mm | |
|
| 69 | -| Material / Strength | Determines wear resistance and load capacity | Steel, cast iron, aluminum alloy | |
|
| 70 | - |
|
| 71 | -> ⚠️ Tooth count and sprocket diameter set the drive ratio but do not affect mesh compatibility as long as the pitch is the same. |
|
| 72 | - |
|
| 73 | -### 3. Key Fit and Selection Points |
|
| 74 | - |
|
| 75 | -- Pitch match: The chain pitch must match the sprocket pitch exactly. |
|
| 76 | -- Inner width: Sprocket tooth width must be less than or equal to the chain inner width. |
|
| 77 | -- Profile standard: Chain and sprocket standards (ANSI, ISO, etc.) must match to avoid poor engagement and premature wear. |
|
| 78 | -- Minimum sprocket tooth count: Too few teeth increases bending fatigue on the chain; typically choose ≥ 12 teeth when possible. |
|
| 79 | -- Mounting alignment: Shaft diameter, keyway, and bolt pattern must match the sprocket mounting method. |
|
| 80 | - |
|
| 81 | - |
|
| 82 | -## chain modify |
|
| 83 | - |
|
| 84 | - |
|
| 85 | -To modify a chain for a bike, you need a specific tool called a **Chain Breaker**. |
|
| 86 | - |
|
| 87 | ---- |
|
| 88 | - |
|
| 89 | -### 1. Opening the Chain |
|
| 90 | - |
|
| 91 | -First, identify if your chain has a **Master Link** (a link that looks different and is designed to be removable). |
|
| 92 | - |
|
| 93 | -#### Method A: With a Master Link |
|
| 94 | -* **Action:** Use master link pliers (or needle-nose pliers) to squeeze the two pins together. |
|
| 95 | -* **Result:** The side plates will slide and unlock, allowing the chain to pull apart. |
|
| 96 | - |
|
| 97 | -#### Method B: Without a Master Link (Standard Link) |
|
| 98 | -* **Action:** Place any link into the **Chain Breaker** tool. |
|
| 99 | -* **Process:** 1. Align the tool's driving pin with the chain rivet (pin). |
|
| 100 | - 2. Turn the handle to push the rivet out. |
|
| 101 | - 3. **Important:** If you intend to reuse the pin, **do not push it all the way out**. Leave it hanging slightly on the outer plate. |
|
| 102 | - |
|
| 103 | ---- |
|
| 104 | - |
|
| 105 | -### 2. Modifying the Length (Shortening) |
|
| 106 | - |
|
| 107 | -To make the chain fit your specific motor-to-wheel distance: |
|
| 108 | - |
|
| 109 | -1. **Measure:** Wrap the chain around your **Drive Wheel** (motor) and **Driven Wheel** (rear hub) to determine the required length. |
|
| 110 | -2. **Determine the Cut Point:** * If using a **Master Link**: Both ends of the chain must be **Inner Links**. |
|
| 111 | - * If joining via a **Pin**: One end must be an **Inner Link** and the other an **Outer Link**. |
|
| 112 | -3. **Remove Links:** Use the chain breaker to push the pins out completely on the excess section of the chain. |
|
| 113 | - |
|
| 114 | ---- |
|
| 115 | - |
|
| 116 | -### 3. Reconnecting the Chain |
|
| 117 | - |
|
| 118 | -1. **Threading:** Guide the chain through your frame and over the sprockets. |
|
| 119 | -2. **Joining:** |
|
| 120 | - * **Using a Master Link:** Insert the two halves from opposite sides and pull the chain apart until you hear a "click." |
|
| 121 | - * **Using a Pin:** Use the chain breaker to push the pin back through the links until it is centered. |
|
| 122 | -3. **Fixing Stiff Links:** If the connection point is stiff, gently bend the chain sideways at that joint to "set" the plates and ensure smooth rotation. |
|
| 123 | - |
|
| 124 | - |
|
| 125 | - |
|
| 126 | - |
|
| 127 | -## ref |
|
| 128 | - |
|
| 129 | -- [[power-transmission-dat]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/ALU-extrusion-1515-sys-dat/ALU-extrusion-1515-sys-dat.md
| ... | ... | @@ -1,37 +0,0 @@ |
| 1 | - |
|
| 2 | -# ALU-extrusion-1515-sys-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -## accessories |
|
| 6 | - |
|
| 7 | -- [[Profile-Bracket-dat]] - [[Profile-Angle-dat]] |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -### extra profiles: |
|
| 11 | - |
|
| 12 | -- 15x15 |
|
| 13 | - |
|
| 14 | -thickness version 1.0 mm, other versions include 1.5 mm, 0.8 mm |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | -profile center hole 3.3 mm |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | -## baba-hao |
|
| 27 | - |
|
| 28 | -- [[waterproof]] |
|
| 29 | - |
|
| 30 | -https://cad.onshape.com/documents/347c235acb7b3e9f2a3c1f2a/w/326f6dc5e165bd0946fc1c4f/e/68a18b214d8e792586952603 |
|
| 31 | - |
|
| 32 | - |
|
| 33 | -## ref |
|
| 34 | - |
|
| 35 | -- [[ALU-extrusion-1515-sys]] |
|
| 36 | - |
|
| 37 | -- [[alu-extrusion-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/ALU-extrusion-2040-sys-dat/ALU-extrusion-2040-sys-dat.md
| ... | ... | @@ -1,8 +0,0 @@ |
| 1 | - |
|
| 2 | -# ALU-extrusion-2040-sys-dat |
|
| 3 | - |
|
| 4 | -- [[alu_extrusion]] |
|
| 5 | - |
|
| 6 | -## ref |
|
| 7 | - |
|
| 8 | -- [[ALU-extrusion-2040-sys]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/Profile-Angle-dat/Profile-Angle-dat.md
| ... | ... | @@ -1,51 +0,0 @@ |
| 1 | - |
|
| 2 | -# Profile-Angle-dat |
|
| 3 | - |
|
| 4 | -### Profile Angle == 角码 |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -### 1515 |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -- 20 x 20 x width 15 |
|
| 13 | -- internal width == 11 for [[washer-dat]] |
|
| 14 | -- hole == 4.8 mm |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -### type: 2020 |
|
| 19 | - |
|
| 20 | -width == 20 |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | -## installation |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | - |
|
| 33 | - |
|
| 34 | - |
|
| 35 | - |
|
| 36 | -- t-nut |
|
| 37 | -- screw |
|
| 38 | -- washers |
|
| 39 | - |
|
| 40 | -| components | specs | |
|
| 41 | -| ------------------ | ----- | |
|
| 42 | -| angle | 1515 | |
|
| 43 | -| t-nut | 15M4 | |
|
| 44 | -| hex [[screw-dat]] | | |
|
| 45 | -| washers | | |
|
| 46 | - |
|
| 47 | - |
|
| 48 | - |
|
| 49 | -## ref |
|
| 50 | - |
|
| 51 | -- [[alu-extrusion-dat]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/Profile-Bracket-dat/Profile-Bracket-dat.md
| ... | ... | @@ -1,18 +0,0 @@ |
| 1 | - |
|
| 2 | -# Profile-Bracket-dat |
|
| 3 | - |
|
| 4 | -### Profile Bracket |
|
| 5 | - |
|
| 6 | -L-type |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -L and T type Bracket for 4040 |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | -L and T type Bracket for 2020 |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/alu-extrusion-dat.md
| ... | ... | @@ -1,94 +0,0 @@ |
| 1 | - |
|
| 2 | -# Alu-Extrusion-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[Alu-Extrusion]] - [[screw-dat]] - [[t-nut-dat]] |
|
| 6 | - |
|
| 7 | -- [[case-aluminium-extrusion-dat]] |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -- [[ALU-extrusion-1515-sys-dat]] |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -## ALU profile accessories |
|
| 14 | - |
|
| 15 | -- [[bearing-pillow-dat]] - [[bearing-dat]] |
|
| 16 | - |
|
| 17 | -## aluminum profile |
|
| 18 | - |
|
| 19 | -3030 Profile: This refers to an aluminum profile that is 30mm x 30mm in cross-section. |
|
| 20 | -- It is often used for smaller frames, workstations, and lighter structural applications. |
|
| 21 | - |
|
| 22 | -4040 Profile: This refers to an aluminum profile that is 40mm x 40mm in cross-section. |
|
| 23 | -- It is typically used for slightly larger and more robust frames and structures, ideal for heavier-duty applications or larger equipment. |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | -## Aluminum Extrusion Profiles |
|
| 30 | - |
|
| 31 | -| Profile Type | Dimensions (mm) | Typical Applications | |
|
| 32 | -| ------------ | --------------- | ----------------------------------------------------------- | |
|
| 33 | -| 2020 | 20x20 | Lightweight frames, 3D printer structures, enclosures | |
|
| 34 | -| 2040 | 20x40 | Machine guards, small CNC frames, automation projects | |
|
| 35 | -| 3030 | 30x30 | Medium-duty frames, workbenches, conveyor systems | |
|
| 36 | -| 3060 | 30x60 | Robot frames, furniture, machine structures | |
|
| 37 | -| 4040 | 40x40 | Industrial automation, machine bases, heavy-duty structures | |
|
| 38 | -| 4080 | 40x80 | Large machine frames, CNC machines, conveyor systems | |
|
| 39 | -| 4545 | 45x45 | High-strength structures, machine enclosures | |
|
| 40 | -| 4590 | 45x90 | Industrial racking, automation systems | |
|
| 41 | -| 5050 | 50x50 | Structural supports, high-load frames | |
|
| 42 | -| 6060 | 60x60 | Heavy-duty machine frames, CNC enclosures | |
|
| 43 | -| 8080 | 80x80 | Large industrial structures, load-bearing frames | |
|
| 44 | - |
|
| 45 | - |
|
| 46 | -### 2020 |
|
| 47 | - |
|
| 48 | -M3 T-nut + M3*10 |
|
| 49 | - |
|
| 50 | - |
|
| 51 | - |
|
| 52 | - |
|
| 53 | -### 4040 dual groove |
|
| 54 | - |
|
| 55 | - |
|
| 56 | - |
|
| 57 | - |
|
| 58 | - |
|
| 59 | -groove size 5.5 mm |
|
| 60 | - |
|
| 61 | - |
|
| 62 | - |
|
| 63 | -### 2040 |
|
| 64 | - |
|
| 65 | -- version: 2024L, 2040V |
|
| 66 | - |
|
| 67 | - |
|
| 68 | - |
|
| 69 | -## Accessories |
|
| 70 | - |
|
| 71 | -| ALU Profile | T-nut Type | T-nut Size | Screw Type | Screw Size | Common Lengths | |
|
| 72 | -| ----------- | ---------- | ---------- | ---------- | ---------- | ---------------------- | |
|
| 73 | -| 1515 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm | |
|
| 74 | -| 2020 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm | |
|
| 75 | -| 4040 | T-nut | M6 | Bolt | M6 | 10mm, 20mm, 30mm, 40mm | |
|
| 76 | - |
|
| 77 | - |
|
| 78 | -If you want to use M3 screws with larger extrusions like 1515, 2020, or 4040, you would need to check if there are smaller T-nuts available for those profiles that are designed to accept M3 screws. Generally, M5 or M6 screws are more common in those sizes. |
|
| 79 | - |
|
| 80 | - |
|
| 81 | - |
|
| 82 | - |
|
| 83 | - |
|
| 84 | -## APP |
|
| 85 | - |
|
| 86 | - |
|
| 87 | - |
|
| 88 | - |
|
| 89 | - |
|
| 90 | -## ref |
|
| 91 | - |
|
| 92 | -- [[mechanics-dat]] - [[mechanics]] |
|
| 93 | - |
|
| 94 | -- [[Alu-Extrusion]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/case-aluminium-extrusion-dat/case-aluminium-extrusion-dat.md
| ... | ... | @@ -1,15 +0,0 @@ |
| 1 | - |
|
| 2 | -# case-aluminium-extrusion-dat |
|
| 3 | - |
|
| 4 | -- [[Alu-Extrusion-dat]] |
|
| 5 | - |
|
| 6 | -- [[PENS010-dat]] |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -## ref |
|
| 14 | - |
|
| 15 | -- [[case-dat]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanical-structure-dat/frame-profile-dat/alu-extrusion-dat/profile-t-nut-dat/profile-t-nut-dat.md
| ... | ... | @@ -1,16 +0,0 @@ |
| 1 | - |
|
| 2 | -# profile-t-nut-dat |
|
| 3 | - |
|
| 4 | -## 1515M4 |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -- L == 8.5 mm - W == 6 mm - T == 2.4 mm |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | -## ref |
|
| 15 | - |
|
| 16 | -- [[alu-extrusion-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/frame-profile-dat/frame-profile-dat.md
| ... | ... | @@ -1,24 +0,0 @@ |
| 1 | - |
|
| 2 | -# frame-profile-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -- [[alu-extrusion-dat]] |
|
| 8 | - |
|
| 9 | -- [[steel-angle-dat]] |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -## other frame profile |
|
| 13 | - |
|
| 14 | -U-type 2.0mm thickness |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | -## ref |
|
| 23 | - |
|
| 24 | -- [[profile]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/frame-profile-dat/steel-angle-dat/2025-12-18-14-57-25.png
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mechanics-dat/mechanical-structure-dat/frame-profile-dat/steel-angle-dat/2025-12-18-14-57-46.png
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mechanics-dat/mechanical-structure-dat/frame-profile-dat/steel-angle-dat/steel-angle-dat.md
| ... | ... | @@ -1,100 +0,0 @@ |
| 1 | - |
|
| 2 | -# steel-angle-dat |
|
| 3 | - |
|
| 4 | -- L-shaped steel |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -## tools |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -## 切割 **角铁型材（L 型钢）** 的常用工具与选择建议 cutting |
|
| 16 | - |
|
| 17 | -> 适用于 **普通碳钢角铁 / 不锈钢角铁** |
|
| 18 | -> 常见规格：20×20 / 30×30 / 40×40，厚度 2–5 mm |
|
| 19 | - |
|
| 20 | ---- |
|
| 21 | - |
|
| 22 | -## ✅ 最推荐（安全 & 切口好） |
|
| 23 | - |
|
| 24 | -### 1️⃣ **冷切锯 / 金属切割锯（Cold Cut Saw）** |
|
| 25 | -- 使用 **钢材 / 不锈钢专用 TCT 锯片** |
|
| 26 | -- 切口垂直、毛刺少 |
|
| 27 | -- 不易烧蓝、尺寸准 |
|
| 28 | -- 适合 **直切 / 45° 角切** |
|
| 29 | - |
|
| 30 | -✅ **最佳车间方案** |
|
| 31 | - |
|
| 32 | ---- |
|
| 33 | - |
|
| 34 | -### 2️⃣ **金属带锯（Metal Band Saw）** |
|
| 35 | -- 安全、稳定 |
|
| 36 | -- 适合厚角铁、不锈钢 |
|
| 37 | -- 可连续批量切割 |
|
| 38 | -- 速度中等 |
|
| 39 | - |
|
| 40 | ---- |
|
| 41 | - |
|
| 42 | -## ⚠️ 常见且可行（DIY 最普遍） |
|
| 43 | - |
|
| 44 | -### 3️⃣ **角磨机 + 金属切割片** |
|
| 45 | -- 切割片：**1.0–1.2 mm（Inox / Steel）** |
|
| 46 | -- 适合直切、现场施工 |
|
| 47 | -- 切口粗，需要后处理 |
|
| 48 | - |
|
| 49 | -⚠️ 要点： |
|
| 50 | -- 必须 **夹紧角铁** |
|
| 51 | -- **两边分次切**，避免夹刀 |
|
| 52 | -- 火花多，注意防护 |
|
| 53 | - |
|
| 54 | ---- |
|
| 55 | - |
|
| 56 | -### 4️⃣ **台式切割机 / 切断锯（Chop Saw）** |
|
| 57 | -- 适合直线切割 |
|
| 58 | -- 噪音大、火花多 |
|
| 59 | -- 精度一般 |
|
| 60 | - |
|
| 61 | ---- |
|
| 62 | - |
|
| 63 | -## 🐢 慢但可控（小尺寸 / 少量） |
|
| 64 | - |
|
| 65 | -### 5️⃣ **手动弓锯（Hacksaw）** |
|
| 66 | -- 锯条：**18–24 TPI** |
|
| 67 | -- 成本低、安全 |
|
| 68 | -- 适合 2–3 mm 厚角铁 |
|
| 69 | - |
|
| 70 | ---- |
|
| 71 | - |
|
| 72 | -### 6️⃣ **往复锯（Reciprocating Saw）** |
|
| 73 | -- 使用 **金属专用锯条** |
|
| 74 | -- 切口一般 |
|
| 75 | -- 振动大，需固定牢靠 |
|
| 76 | - |
|
| 77 | ---- |
|
| 78 | - |
|
| 79 | -## ❌ 不适合 / 不安全 |
|
| 80 | -- ❌ 木工台锯 |
|
| 81 | -- ❌ 木工圆锯片 |
|
| 82 | -- ❌ 超薄 HSS 圆锯片 + 高转速设备 |
|
| 83 | -- ❌ 曲线锯（对角铁稳定性差） |
|
| 84 | - |
|
| 85 | ---- |
|
| 86 | - |
|
| 87 | -## 🔧 角铁切割小技巧 |
|
| 88 | -- **先切一边，再切另一边** |
|
| 89 | -- 切 90° 要用 **靠山或限位** |
|
| 90 | -- 不锈钢角铁： |
|
| 91 | - - 速度慢一点 |
|
| 92 | - - 可少量切削液，防烧蓝 |
|
| 93 | -- 切后用 **百叶片 / 砂轮** 去毛刺 |
|
| 94 | - |
|
| 95 | - |
|
| 96 | - |
|
| 97 | - |
|
| 98 | -## ref |
|
| 99 | - |
|
| 100 | -- [[steel-angle]] - [[profile-dat]] - [[profile]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/groove-dat/groove-dat.md
| ... | ... | @@ -1,6 +0,0 @@ |
| 1 | - |
|
| 2 | -# groove-dat |
|
| 3 | - |
|
| 4 | -- [[groove-dat]] |
|
| 5 | - |
|
| 6 | -Width == 4mm == M4 == OK |
mechanics-dat/mechanical-structure-dat/mechanical-structure-dat.md
| ... | ... | @@ -1,34 +0,0 @@ |
| 1 | - |
|
| 2 | -# mechnical-structure-dat.md |
|
| 3 | - |
|
| 4 | -- [[structure-design-dat]] - [[engineering-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -common structure: - [[sheet-dat]] - [[frame-profile-dat]] - [[shell-case-dat/shell-dat]] |
|
| 8 | - |
|
| 9 | -- [[power-transmission-dat]] - [[bel-sys-dat]] |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -- [[alu-extrusion-dat]] |
|
| 13 | - |
|
| 14 | -- [[rod-system-dat]] |
|
| 15 | - |
|
| 16 | -- [[motion-system-dat]] |
|
| 17 | - |
|
| 18 | - |
|
| 19 | -- [[cable-dat]] - [[wire-steel-dat]] |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | -- [[sheet-dat]] - [[rod-system-dat]] == [[flange-dat]] |
|
| 24 | - |
|
| 25 | -- [[fixture-dat]] |
|
| 26 | - |
|
| 27 | - |
|
| 28 | -### turnover box |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | -## ref |
|
| 33 | - |
|
| 34 | -- [[mechanics-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-cardboard-dat/2025-12-10-12-53-18.png
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mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-cardboard-dat/sheet-cardboard-dat.md
| ... | ... | @@ -1,8 +0,0 @@ |
| 1 | - |
|
| 2 | -# sheet-cardboard-dat |
|
| 3 | - |
|
| 4 | -- [[cardboardboard-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-dat.md
| ... | ... | @@ -1,66 +0,0 @@ |
| 1 | -# sheet-dat |
|
| 2 | - |
|
| 3 | -[[sheet-metal-dat]] == [[fab-sheet-metal-dat]] - [[fab-dat]] |
|
| 4 | - |
|
| 5 | -- [[sheet-wood-dat]] |
|
| 6 | - |
|
| 7 | -- [[sheet-cardboard-dat]] |
|
| 8 | - |
|
| 9 | -- [[sheet-plastic-dat]] |
|
| 10 | - |
|
| 11 | -- [[sheet-foam-dat]] |
|
| 12 | - |
|
| 13 | - |
|
| 14 | -## MDF sheet |
|
| 15 | - |
|
| 16 | -## Steel Sheet |
|
| 17 | - |
|
| 18 | -- Magnetic for the Top of the Machine Bed. Glued onto the Bottom_Machine_Bed |
|
| 19 | - |
|
| 20 | - |
|
| 21 | -## Bakelite Board |
|
| 22 | - |
|
| 23 | -Bakelite Board (also known as Phenolic Laminate Board) is an insulating material made by impregnating paper or fabric with phenolic resin and then compressing it under high temperature and pressure. It is known for its heat resistance, durability, and excellent electrical insulation properties, making it widely used in electrical, electronic, mechanical, and mold industries. |
|
| 24 | - |
|
| 25 | - |
|
| 26 | -## acrylic glass / PMMA |
|
| 27 | - |
|
| 28 | - |
|
| 29 | -Plexiglas Cover refers to a protective cover made of Plexiglas, a brand name for acrylic glass (polymethyl methacrylate, PMMA). It is a transparent, lightweight, and shatter-resistant material commonly used as a substitute for glass. |
|
| 30 | - |
|
| 31 | -## cutting plastic sheet |
|
| 32 | - |
|
| 33 | -用 电烙铁切割塑料板（2–6 mm） 理论上可行，但几乎不推荐，原因如下： |
|
| 34 | - |
|
| 35 | -🔹 **电烙铁切割原理** |
|
| 36 | -- 利用高温熔化塑料来形成切口 |
|
| 37 | -- 实质是烧切而不是机械切割 |
|
| 38 | - |
|
| 39 | -❌ **缺点** |
|
| 40 | - |
|
| 41 | -**切口不平整** |
|
| 42 | -- 热熔拉丝，边缘粗糙 |
|
| 43 | -- 毛刺多，需要大量打磨 |
|
| 44 | - |
|
| 45 | -**容易产生烟雾和有毒气体** |
|
| 46 | -- PMMA/ABS/PC加热会释放刺激性气味 |
|
| 47 | -- PVC 会释放氯气，非常有害 |
|
| 48 | - |
|
| 49 | -**热量控制困难** |
|
| 50 | -- 厚板（>3 mm）容易烧透不均 |
|
| 51 | -- 薄板容易翘曲、起泡 |
|
| 52 | - |
|
| 53 | -**效率低** |
|
| 54 | -- 需要慢慢熔化推进 |
|
| 55 | -- 对直线或曲线控制难 |
|
| 56 | - |
|
| 57 | -## ref |
|
| 58 | - |
|
| 59 | -- [[sheet]] - [[mechanics]] |
|
| 60 | - |
|
| 61 | - |
|
| 62 | -## ref |
|
| 63 | - |
|
| 64 | -- [[materials-dat]] |
|
| 65 | - |
|
| 66 | - |
mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-foam-dat/sheet-foam-dat.md
| ... | ... | @@ -1,16 +0,0 @@ |
| 1 | - |
|
| 2 | -# foam-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -| Material | Characteristics | Pros | Cons | Best Uses | |
|
| 6 | -| --------------------------------- | ---------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------- | |
|
| 7 | -| **EPP** (Expanded Polypropylene) | Soft, flexible, very tough; absorbs impact; easy to hot-wire cut | • Extremely crash-resistant<br>• Easy to repair (heat gun can reshape)<br>• Suitable for beginners | • Surface rough, not very “pretty”<br>• Softer → less precise flying<br>• Slightly heavier | • Beginner trainers<br>• FPV planes<br>• Durable everyday flyers | |
|
| 8 | -| **EPO** (Expanded Polyolefin) | Stiffer and smoother than EPP; lightweight; moderate strength | • Smooth surface, looks good<br>• Better aerodynamics<br>• Used in commercial foam planes | • Not as crash-proof as EPP<br>• Slightly heavier than EPS | • Most commercial RC planes<br>• Intermediate & advanced fixed-wings | |
|
| 9 | -| **EPS** (Polystyrene / Styrofoam) | Very light, very cheap, but brittle; breaks easily | • Cheapest foam<br>• Easy to cut and shape<br>• Good for ultra-light gliders | • Extremely fragile<br>• Not good for load-bearing parts<br>• Produces foam dust/balls | • School projects<br>• Indoor lightweight gliders<br>• Not recommended for real RC planes | |
|
| 10 | -| **Depron / XPS** | Hard, dense, smooth; light but less flexible; precision-cut | • High accuracy for flat-plate builds<br>• Smooth and clean surface<br>• Great for 3D planes | • Can be brittle<br>• Harder to find original Depron | • 3D profile planes<br>• Indoor aerobatic models<br>• Precision foam structures | |
|
| 11 | - |
|
| 12 | -# Quick Recommendations |
|
| 13 | -- **Best for beginners:** EPP |
|
| 14 | -- **Best for good-looking, aerodynamic planes:** EPO |
|
| 15 | -- **Best for 3D flat-plate planes:** Depron/XPS |
|
| 16 | -- **Only for experiments / ultra-light gliders:** EPS |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-metal-dat/2026-04-02-23-11-19.png
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mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-metal-dat/2026-04-02-23-11-31.png
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mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-metal-dat/2026-04-02-23-11-42.png
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mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-metal-dat/2026-04-02-23-11-55.png
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mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-metal-dat/sheet-metal-dat.md
| ... | ... | @@ -1,23 +0,0 @@ |
| 1 | - |
|
| 2 | -# sheet-metal-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -[[sheet-metal-dat]] == [[fab-sheet-metal-dat]] - [[fab-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -## design |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | -## ref |
|
| 23 | - |
mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-metal-dat/stainless-steel-sheet-dat/stainless-steel-sheet-dat.md
| ... | ... | @@ -1,59 +0,0 @@ |
| 1 | - |
|
| 2 | -# stainless-steel-sheet-dat |
|
| 3 | - |
|
| 4 | -## 切割 **5 mm 厚不锈钢板** 的可用工具（按安全 & 效率排序） |
|
| 5 | - |
|
| 6 | ---- |
|
| 7 | - |
|
| 8 | -## ✅ 最推荐（工业 / 半工业） |
|
| 9 | - |
|
| 10 | -### 1️⃣ **激光切割（Laser cutting）** |
|
| 11 | -- 切口最干净、精度最高 |
|
| 12 | -- 无明显变形 |
|
| 13 | -- 需要外包加工 |
|
| 14 | - |
|
| 15 | -### 2️⃣ **水刀切割（Waterjet）** |
|
| 16 | -- 无热影响区 |
|
| 17 | -- 适合复杂形状 |
|
| 18 | -- 成本较高 |
|
| 19 | - |
|
| 20 | ---- |
|
| 21 | - |
|
| 22 | -## ⚠️ 常见且可行（DIY / 车间） |
|
| 23 | - |
|
| 24 | -### 3️⃣ **等离子切割（Plasma cutter）** |
|
| 25 | -- 速度快 |
|
| 26 | -- 切口较粗，需要打磨 |
|
| 27 | -- 热影响区明显 |
|
| 28 | - |
|
| 29 | -### 4️⃣ **角磨机 + 不锈钢切割片（1.0–1.2 mm）** |
|
| 30 | -- 最常见、成本低 |
|
| 31 | -- 精度一般，火花多 |
|
| 32 | -- ⚠️ 必须夹紧板材、佩戴护具 |
|
| 33 | - |
|
| 34 | -### 5️⃣ **台式切割机 / 切断锯（Cut-off saw）** |
|
| 35 | -- 用 Inox 专用切割片 |
|
| 36 | -- 直线切割为主 |
|
| 37 | -- 噪音大、火花多 |
|
| 38 | - |
|
| 39 | ---- |
|
| 40 | - |
|
| 41 | -## 🐢 慢但可控（小尺寸 / 少量） |
|
| 42 | - |
|
| 43 | -### 6️⃣ **手动弓锯（Hacksaw，24–32 TPI）** |
|
| 44 | -- 可控、安全 |
|
| 45 | -- 速度慢，体力消耗大 |
|
| 46 | -- 适合短直线 |
|
| 47 | - |
|
| 48 | -### 7️⃣ **电动曲线锯（Jigsaw）** |
|
| 49 | -- 使用 **不锈钢专用锯条** |
|
| 50 | -- 速度慢、易跑偏 |
|
| 51 | -- 仅适合小件或曲线 |
|
| 52 | - |
|
| 53 | ---- |
|
| 54 | - |
|
| 55 | -## ❌ 不适合 / 不安全 |
|
| 56 | -- ❌ 木工台锯 |
|
| 57 | -- ❌ 木工圆锯片 / HSS 木工锯片 |
|
| 58 | -- ❌ 手持圆锯 |
|
| 59 | -- ❌ 薄型高速钢圆锯片在高转速设备上使用 |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-plastic-dat/2026-01-03-15-13-54.png
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mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-plastic-dat/sheet-plastic-dat.md
| ... | ... | @@ -1,10 +0,0 @@ |
| 1 | - |
|
| 2 | -# sheet-plastic-dat |
|
| 3 | - |
|
| 4 | -- flattend - [[tube-PVC-dat]] - from - [[tube-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-wood-dat/sheet-wood-dat.md
| ... | ... | @@ -1,3 +0,0 @@ |
| 1 | - |
|
| 2 | -# sheet-wood-dat |
|
| 3 | - |
mechanics-dat/mechanical-structure-dat/shell-case-dat/shell-case-dat.md
| ... | ... | @@ -1,16 +0,0 @@ |
| 1 | - |
|
| 2 | -# shell-case-dat |
|
| 3 | - |
|
| 4 | -- [[shell-case-dat]] - [[mechnical-structure-dat]] |
|
| 5 | - |
|
| 6 | -- [[plastic-dat]] - [[fab-sheet-metal-dat]] |
|
| 7 | - |
|
| 8 | -plastic shell thickness == 2.0 mm |
|
| 9 | - |
|
| 10 | -sheet metal thickness == 1.0 mm |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | -## ref |
|
| 16 | - |
mechanics-dat/mechanical-structure-dat/thread-dat/2026-02-21-19-04-05.png
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mechanics-dat/mechanical-structure-dat/thread-dat/2026-06-04-16-58-31.png
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mechanics-dat/mechanical-structure-dat/thread-dat/thread-dat.md
| ... | ... | @@ -1,84 +0,0 @@ |
| 1 | - |
|
| 2 | -# thread-dat |
|
| 3 | - |
|
| 4 | -- [[motor-brushless-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -## thread holder |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -## thread adapter |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | -## The "Rule of Three" Threads |
|
| 18 | - |
|
| 19 | -For a secure connection in engineering, it is standard practice to have at least 3 full thread rotations engaged. |
|
| 20 | - |
|
| 21 | -If the pitch is 1.0mm: You need a minimum of 3.0mm thickness. |
|
| 22 | - |
|
| 23 | -If the pitch is 0.75mm: You need a minimum of 2.25mm thickness. |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | -## thread pitch |
|
| 28 | - |
|
| 29 | -For a 17mm mounting plate, **1.0mm (Fine Pitch)** is the superior choice over 2.0mm. |
|
| 30 | - |
|
| 31 | -| Feature | 1.0mm (Fine) | 2.0mm (Coarse) | |
|
| 32 | -| :-------------------- | :------------------------------------ | :----------------------------------- | |
|
| 33 | -| **Thread Engagement** | **High** (3-5 threads in a 4mm plate) | **Low** (1-2 threads in a 4mm plate) | |
|
| 34 | -| **Security** | Better resistance to vibration | Higher risk of stripping | |
|
| 35 | -| **Compatibility** | **Standard** for mobile optics | Non-standard for this size | |
|
| 36 | - |
|
| 37 | -via custom script - internal thread |
|
| 38 | - |
|
| 39 | - |
|
| 40 | - |
|
| 41 | - |
|
| 42 | - |
|
| 43 | - |
|
| 44 | -## counterbore VS countersink |
|
| 45 | - |
|
| 46 | - |
|
| 47 | - |
|
| 48 | -## Metric & Imperial Systems |
|
| 49 | - |
|
| 50 | -| Standard | Name | Angle | Region | |
|
| 51 | -| ----------- | ----------------- | --------- | --------- | |
|
| 52 | -| ISO Metric | Metric Thread (M) | 60° | Worldwide | |
|
| 53 | -| Unified | UNC / UNF / UNEF | 60° | USA | |
|
| 54 | -| Whitworth | BSW / BSP | 55° | UK | |
|
| 55 | -| Pipe Thread | NPT / BSPP / BSPT | 60° / 55° | Piping | |
|
| 56 | - |
|
| 57 | ---- |
|
| 58 | - |
|
| 59 | -## 3️⃣ Metric Thread Details (ISO) |
|
| 60 | - |
|
| 61 | -| Property | Description | |
|
| 62 | -| -------------- | ------------------------ | |
|
| 63 | -| Designation | M6 × 1.0 | |
|
| 64 | -| Major Diameter | Nominal outer diameter | |
|
| 65 | -| Pitch | Distance between threads | |
|
| 66 | -| Thread Angle | 60° | |
|
| 67 | -| Direction | Right-hand / Left-hand | |
|
| 68 | - |
|
| 69 | -### Common Metric Threads |
|
| 70 | - |
|
| 71 | -| Size | Pitch (mm) | |
|
| 72 | -| ---- | ---------- | |
|
| 73 | -| M3 | 0.5 | |
|
| 74 | -| M4 | 0.7 | |
|
| 75 | -| M5 | 0.8 | |
|
| 76 | -| M6 | 1.0 | |
|
| 77 | -| M8 | 1.25 | |
|
| 78 | - |
|
| 79 | - |
|
| 80 | - |
|
| 81 | - |
|
| 82 | -## ref |
|
| 83 | - |
|
| 84 | -- [[CAD-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/2025-04-10-18-42-26.png
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mechanics-dat/mechanical-tools-dat/mechanical-tools-dat.md
| ... | ... | @@ -1,69 +0,0 @@ |
| 1 | - |
|
| 2 | -# mechanic-tools-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[tools-hand-dat]] - [[tools-power-dat]] |
|
| 6 | - |
|
| 7 | -- [[tools-protective-dat]] - [[protective-glass-dat]] |
|
| 8 | - |
|
| 9 | -- [[tools-maintenance-dat]] |
|
| 10 | - |
|
| 11 | -- 模切机 |
|
| 12 | - |
|
| 13 | -- 勾刀 |
|
| 14 | - |
|
| 15 | -- [[tools-power-dat]] |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | -## hand tools |
|
| 20 | - |
|
| 21 | -- [[Wrench-dat]] |
|
| 22 | - |
|
| 23 | -- [[screw-dat]] - [[hex-socket-screw-dat]] |
|
| 24 | - |
|
| 25 | -- [[hex-socket-screwdriver-dat]] |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | - |
|
| 30 | - |
|
| 31 | -## Socket Wrench Drive |
|
| 32 | - |
|
| 33 | - |
|
| 34 | -### Common Socket Wrench Drive Sizes: |
|
| 35 | - |
|
| 36 | -| Name | Drive Size | Square Drive (mm) | Typical Use Cases | CN | |
|
| 37 | -| ------ | ---------- | ------------------ | ----------------------------------------- | --------- | |
|
| 38 | -| Small | 1/4" drive | 6.35 mm | Electronics, precision work, small screws | 方头 小飞 | |
|
| 39 | -| Medium | 3/8" drive | 9.5 mm | Household use, light automotive repair | |
|
| 40 | -| Large | 1/2" drive | 12.7 mm (aka 12.5) | Automotive, heavy torque applications | 大飞 | |
|
| 41 | - |
|
| 42 | - |
|
| 43 | - |
|
| 44 | - |
|
| 45 | -## 🔧 Hex Bolt Screwdriver Size Categorization |
|
| 46 | - |
|
| 47 | -### 1. By Tip Size (Across Flats) |
|
| 48 | - |
|
| 49 | -The most important measurement is the **distance across the flat sides of the hex tip**. |
|
| 50 | - |
|
| 51 | -#### 🧮 Metric Sizes (in millimeters) |
|
| 52 | - |
|
| 53 | -1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, etc. |
|
| 54 | - |
|
| 55 | -#### 📏 Imperial Sizes (SAE, in inches) |
|
| 56 | - |
|
| 57 | -1/16", 5/64", 3/32", 1/8", 5/32", 3/16", 1/4", etc. |
|
| 58 | - |
|
| 59 | -> 🔹 These sizes must match the hex socket of the bolt exactly. |
|
| 60 | - |
|
| 61 | - |
|
| 62 | -## the bad brand |
|
| 63 | - |
|
| 64 | -- [[delixi-dat]] |
|
| 65 | - |
|
| 66 | - |
|
| 67 | -## ref |
|
| 68 | - |
|
| 69 | -- [[mechanic-tools]] - [[mechanics]] |
mechanics-dat/mechanical-tools-dat/tools-hand-dat/hand-saw-dat.md
| ... | ... | @@ -1,26 +0,0 @@ |
| 1 | - |
|
| 2 | -# hand-saw-dat.md |
|
| 3 | - |
|
| 4 | -## saw blade for wood analysis to the plastic |
|
| 5 | - |
|
| 6 | -1. Suitability |
|
| 7 | - |
|
| 8 | -Blade thickness 0.6 mm → thin enough for smooth cutting of plastic. |
|
| 9 | - |
|
| 10 | -Tooth pitch 1.5 mm → relatively fine; good for small, thin plastics (like 4 mm ABS or acrylic). |
|
| 11 | - |
|
| 12 | -Blade length 240 mm → suitable for hand cutting small/medium sheets. |
|
| 13 | - |
|
| 14 | -Weight 250 g → light and easy to control. |
|
| 15 | - |
|
| 16 | -✅ Overall: This saw is suitable for cutting 4 mm ABS or acrylic sheets by hand, especially for straight cuts or small curves. |
|
| 17 | - |
|
| 18 | - |
|
| 19 | -## saw brand |
|
| 20 | - |
|
| 21 | -- 田岛 - tajima |
|
| 22 | - |
|
| 23 | - |
|
| 24 | -## ref |
|
| 25 | - |
|
| 26 | -- [[tools-hand]] - [[mechanical-tools]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-hand-dat/screw-drivers-dat/2024-10-10-02-29-19.png
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mechanics-dat/mechanical-tools-dat/tools-hand-dat/screw-drivers-dat/2024-10-10-02-30-32.png
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mechanics-dat/mechanical-tools-dat/tools-hand-dat/screw-drivers-dat/screw-drivers-dat.md
| ... | ... | @@ -1,11 +0,0 @@ |
| 1 | - |
|
| 2 | -# screw-drivers-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## ref |
|
| 10 | - |
|
| 11 | -- [[screw-drivers]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-hand-dat/tools-hand-dat.md
| ... | ... | @@ -1,4 +0,0 @@ |
| 1 | - |
|
| 2 | -# tools-hand-dat |
|
| 3 | - |
|
| 4 | -- [[hand-Hacksaw-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-maintenance-dat/2025-12-05-21-09-28.png
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mechanics-dat/mechanical-tools-dat/tools-maintenance-dat/2025-12-05-21-09-46.png
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mechanics-dat/mechanical-tools-dat/tools-maintenance-dat/tools-maintenance-dat.md
| ... | ... | @@ -1,20 +0,0 @@ |
| 1 | - |
|
| 2 | -# tools-maintenance-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[WD40-dat]] - [[sandpaper-dat]] - [[lubricator-dat]] |
|
| 6 | - |
|
| 7 | -from |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -to |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | -## ref |
|
| 18 | - |
|
| 19 | -- [[mechanical-tools-dat]] |
|
| 20 | - |
mechanics-dat/mechanical-tools-dat/tools-power-dat/Rotary-Tool-dat/Rotary-Tool-dat.md
| ... | ... | @@ -1,6 +0,0 @@ |
| 1 | - |
|
| 2 | -# Rotary-Tool-dat |
|
| 3 | - |
|
| 4 | -(Dremel) |
|
| 5 | - |
|
| 6 | - |
mechanics-dat/mechanical-tools-dat/tools-power-dat/drill-electric-dat/drill-bit-dat/2025-11-26-16-49-54.png
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mechanics-dat/mechanical-tools-dat/tools-power-dat/drill-electric-dat/drill-bit-dat/drill-bit-dat.md
| ... | ... | @@ -1,83 +0,0 @@ |
| 1 | - |
|
| 2 | -# drill-bit-dat |
|
| 3 | - |
|
| 4 | -木工尖头钻 - [[Brad-point-drill-bit-dat]] |
|
| 5 | - |
|
| 6 | -塑料专用钻 - Plastic drill bit |
|
| 7 | - |
|
| 8 | -阶梯钻最佳 - Step drill bit |
|
| 9 | - |
|
| 10 | -Twist drill bit |
|
| 11 | - |
|
| 12 | -- [[drill-bit]] -[[mechanics]] |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -## targeted materials |
|
| 17 | - |
|
| 18 | -- [[glass-dat]] - [[marble-dat]] |
|
| 19 | - |
|
| 20 | -- [[ceramic-tile-dat]] - [[Concrete-dat]] |
|
| 21 | - |
|
| 22 | -- [[plastic-dat]] |
|
| 23 | - |
|
| 24 | -- [[wood-dat]] |
|
| 25 | - |
|
| 26 | -- [[metal-dat]] |
|
| 27 | - |
|
| 28 | -- [[stone-dat]] |
|
| 29 | - |
|
| 30 | - |
|
| 31 | -### Drill Bits: Ceramic Tile vs Glass |
|
| 32 | - |
|
| 33 | -No — the drill bits for **ceramic tile** and **glass** are **not exactly the same**, though they are similar in some ways. Here’s the comparison: |
|
| 34 | - |
|
| 35 | -| Material | Recommended Drill Bit | Notes | |
|
| 36 | -| ---------------- | ----------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- | |
|
| 37 | -| **Ceramic Tile** | Carbide-tipped or diamond-tipped tile bit | Usually has a spear-shaped or pointed tip to pierce the glazed surface without cracking. Works best on glazed surfaces; slower speed, light pressure. | |
|
| 38 | -| **Glass** | Diamond-tipped or specialized glass/ceramic bit | Often conical or pointed, designed for brittle materials. Must drill at low speed, with water or lubrication, and ideally from both sides. | |
|
| 39 | - |
|
| 40 | -## Key Differences |
|
| 41 | - |
|
| 42 | -1. **Tip shape**: |
|
| 43 | - - Tile bits often have a **spear point** (good for glazed tiles) |
|
| 44 | - - Glass bits have a **small conical/diamond tip** to reduce chipping |
|
| 45 | - |
|
| 46 | -2. **Brittleness**: |
|
| 47 | - - Glass is more prone to cracking, so drilling requires more care, water/lubrication, and two-sided drilling. |
|
| 48 | - - Tile can usually handle light drilling from one side. |
|
| 49 | - |
|
| 50 | -3. **Speed and pressure**: |
|
| 51 | - - Both need low speed and light pressure, but glass is **far less forgiving** than tile. |
|
| 52 | - |
|
| 53 | - |
|
| 54 | - |
|
| 55 | - |
|
| 56 | -### glass |
|
| 57 | - |
|
| 58 | -- [[glass-dat]] |
|
| 59 | - |
|
| 60 | -## ✅ Recommended Drill Bits |
|
| 61 | - |
|
| 62 | -| Type | Use | Features | |
|
| 63 | -| ---------------------------------- | --------------- | --------------------------------- | |
|
| 64 | -| Glass/Ceramic bit (diamond-coated) | Drilling | Conical tip for brittle materials | |
|
| 65 | -| HSS glass-specific bit | Small holes | Low speed, use with cooling | |
|
| 66 | -| Diamond conical bit | Precision holes | Best for thick or hard glass | |
|
| 67 | - |
|
| 68 | - |
|
| 69 | -- 玻璃/瓷砖钻头（金刚石涂层） - 金刚石锥钻头 - HSS 玻璃专用钻头 |
|
| 70 | - |
|
| 71 | - |
|
| 72 | -## purpose |
|
| 73 | - |
|
| 74 | -### polishing |
|
| 75 | - |
|
| 76 | - |
|
| 77 | - |
|
| 78 | - |
|
| 79 | -## ref |
|
| 80 | - |
|
| 81 | -- [[mechanics-dat]] |
|
| 82 | - |
|
| 83 | - |
mechanics-dat/mechanical-tools-dat/tools-power-dat/drill-electric-dat/drill-electric-dat.md
| ... | ... | @@ -1,60 +0,0 @@ |
| 1 | - |
|
| 2 | -# drill-electric-dat |
|
| 3 | - |
|
| 4 | -- [[drill-bit-dat]] |
|
| 5 | - |
|
| 6 | -一、能不能用？——“能动 ≠ 好用” |
|
| 7 | -✅ 理论上可行 |
|
| 8 | - |
|
| 9 | -市面上确实有电钻转往复锯的转换头 |
|
| 10 | - |
|
| 11 | -能实现“旋转 → 往复”的机械运动 |
|
| 12 | - |
|
| 13 | -轻度切割（薄木板、塑料）可以完成 |
|
| 14 | - |
|
| 15 | -❌ 实际使用问题很多 |
|
| 16 | - |
|
| 17 | -切割效率低 |
|
| 18 | - |
|
| 19 | -震动非常大 |
|
| 20 | - |
|
| 21 | -刀路不稳，容易跑偏 |
|
| 22 | - |
|
| 23 | -精度差，切口很粗糙 |
|
| 24 | - |
|
| 25 | -👉 结论：只能算“应急方案” |
|
| 26 | - |
|
| 27 | -二、为什么“不合理”（工程角度） |
|
| 28 | -1️⃣ 电钻不是为往复负载设计的 |
|
| 29 | - |
|
| 30 | -电钻擅长：连续旋转 |
|
| 31 | - |
|
| 32 | -往复锯需要：反复加减速的高冲击负载 |
|
| 33 | - |
|
| 34 | -结果： |
|
| 35 | - |
|
| 36 | -齿轮箱磨损快 |
|
| 37 | - |
|
| 38 | -轴承寿命大幅下降 |
|
| 39 | - |
|
| 40 | -长时间使用容易损坏电钻 |
|
| 41 | - |
|
| 42 | -2️⃣ 缺少关键结构（这是致命点） |
|
| 43 | - |
|
| 44 | -真正的往复锯有： |
|
| 45 | - |
|
| 46 | -减震机构 |
|
| 47 | - |
|
| 48 | -行程限制 |
|
| 49 | - |
|
| 50 | -双导轨稳定系统 |
|
| 51 | - |
|
| 52 | -防反冲设计 |
|
| 53 | - |
|
| 54 | -电钻改装后： |
|
| 55 | - |
|
| 56 | -❌ 几乎没有减震 |
|
| 57 | - |
|
| 58 | -❌ 手持非常难控制 |
|
| 59 | - |
|
| 60 | -❌ 容易卡刀猛抖 |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/2025-12-18-15-15-00.png
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mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/2025-12-18-15-15-48.png
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mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/grinder-angle-dat/grinder-angle-dat.md
| ... | ... | @@ -1,96 +0,0 @@ |
| 1 | - |
|
| 2 | -# grinder-angle-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[grinder-angle]] - [[tools-power]] - [[mechanical-tools]] |
|
| 6 | - |
|
| 7 | -- [[saw-blade-dat]] |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -due to high speed of grinder-angle, these below are not recommanded |
|
| 12 | - |
|
| 13 | -- add a rack to cut [[profile-dat]] as a [[cutter-dat]] |
|
| 14 | - |
|
| 15 | -- add a fixture to cut [[sheet-dat]] as a type of [[saw-jig-dat]] |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | -Because you’re 13–17 years old, I have to be careful here: |
|
| 22 | - |
|
| 23 | -An angle grinder is one of the most dangerous handheld tools (high RPM, sparks, kickback). |
|
| 24 | -So I cannot give step-by-step instructions for using it, because it’s unsafe for minors. |
|
| 25 | - |
|
| 26 | -But I can explain safely whether it’s a good idea and offer safer alternatives. |
|
| 27 | - |
|
| 28 | - |
|
| 29 | -- 产品型号 -- S1M-FF09-100S |
|
| 30 | -- 额定电压 -- 220V~ |
|
| 31 | -- 额定频率 -- 50Hz |
|
| 32 | -- 砂轮片最大直径 -- Φ100mm |
|
| 33 | -- 砂轮片孔径 -- Φ16mm |
|
| 34 | -- 额定输入功率 -- 800W |
|
| 35 | -- 空载转速 -- 12000r/min |
|
| 36 | -- 净重 -- 1.6kg |
|
| 37 | - |
|
| 38 | - |
|
| 39 | - |
|
| 40 | - |
|
| 41 | - |
|
| 42 | -简短结论： |
|
| 43 | - |
|
| 44 | -🚫 角磨机不是切割 2–6 mm 塑料板的好选择 |
|
| 45 | -它太粗暴、转速太高、容易融边、抛飞碎屑，不适合精细塑料切割。 |
|
| 46 | - |
|
| 47 | -🔧 为什么角磨机不合适？ |
|
| 48 | -❌ 1. 转速太高 |
|
| 49 | - |
|
| 50 | -角磨机转速非常快（通常几千 RPM），塑料受热容易： |
|
| 51 | - |
|
| 52 | -熔融粘边 |
|
| 53 | - |
|
| 54 | -变形、烧焦 |
|
| 55 | - |
|
| 56 | -切口不干净 |
|
| 57 | - |
|
| 58 | -❌ 2. 切削不稳定 |
|
| 59 | - |
|
| 60 | -刀片振动大 |
|
| 61 | - |
|
| 62 | -难控直线／曲线 |
|
| 63 | - |
|
| 64 | -易产生崩边 |
|
| 65 | - |
|
| 66 | -❌ 3. 安全风险较高 |
|
| 67 | - |
|
| 68 | -塑料碎屑飞溅 |
|
| 69 | - |
|
| 70 | -易打滑失控 |
|
| 71 | - |
|
| 72 | -操作者需更高防护 |
|
| 73 | - |
|
| 74 | -✅ 如果只能用角磨机，最低限度规则 |
|
| 75 | -条件 做法 |
|
| 76 | -切直线 用导轨固定，慢速推进 |
|
| 77 | -减少熔边 尽量用 塑料专用锯片（极细齿） |
|
| 78 | -保持安全 穿防护眼镜、防尘口罩、夹紧材料 |
|
| 79 | -后处理 砂纸打磨去毛刺 |
|
| 80 | - |
|
| 81 | -👉 这样做仍然只能算“应急 / 粗切”，而不是精准、高效切割。 |
|
| 82 | - |
|
| 83 | - |
|
| 84 | - |
|
| 85 | - |
|
| 86 | -## cut 6mm solid stain rod |
|
| 87 | - |
|
| 88 | -Using an angle grinder (角磨机) to cut a 6mm solid stainless steel rod is a very reliable and common professional method. It is much faster and often cleaner than using a manual hacksaw, provided you follow the right technique and safety protocols. |
|
| 89 | - |
|
| 90 | -The Right Disc (Crucial) |
|
| 91 | - |
|
| 92 | -Do not use a thick grinding disc. You must use a 1mm Ultra-Thin Cutting Disc (often marked "Inox" for stainless steel). |
|
| 93 | - |
|
| 94 | -Why: A thin disc removes less material, generates less heat, and leaves a much smaller "burr" (sharp edge). |
|
| 95 | - |
|
| 96 | -Stainless Steel Tip: Ensure the disc is labeled for stainless steel to prevent contaminating the rod with iron, which can cause it to rust later. |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/grinder-dat.md
| ... | ... | @@ -1,13 +0,0 @@ |
| 1 | - |
|
| 2 | -# grinder-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[grinder-angle-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -## ref |
|
| 12 | - |
|
| 13 | -- [[tools-power-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-Metal-band-dat/saw-Metal-band-dat.md
| ... | ... | @@ -1,3 +0,0 @@ |
| 1 | - |
|
| 2 | -# saw-Metal-band-dat |
|
| 3 | - |
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-15-10-49.png
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mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-15-26-23.png
| ... | ... | Binary files a/mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-15-26-23.png and /dev/null differ |
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-17-47-55.png
| ... | ... | Binary files a/mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-17-47-55.png and /dev/null differ |
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/saw-blade-dat.md
| ... | ... | @@ -1,149 +0,0 @@ |
| 1 | - |
|
| 2 | -# saw-blade-dat |
|
| 3 | - |
|
| 4 | -- [[saw-blade]] - [[saw]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -高速钢锯片只能安装在机床/台锯上使用转速要求3000-4500prm，而不能安装在角磨机/切割机上使用，因角磨机转速太高工作不稳定操作不安全容易断锯片，请勿强行安装。 |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -| 序号 | 锯片 / 切割方式名称 | 适合切 2–6 mm 塑料？ | 主要适合目标（推荐用途） | 关键备注（使用建议） | |
|
| 14 | -| ---- | ----------------------------------- | --------------------- | --------------------------------------- | ----------------------------------------------------------------------------------------- | |
|
| 15 | -| 1 | 平齿高速钢锯片 (HSS flat-tooth) | ✅ 非常适合 | 亚克力（PMMA）、ABS、PVC、PC（薄/中厚） | 最优选。细齿或中细齿，切割平滑，热量低。配合电动线锯或台锯效果最好。 | |
|
| 16 | -| 2 | 切木头的锯条 / 木工细齿锯条 | ✅ 适合 | 木材、塑料（一般细齿木工条可切塑料） | 选择**24–32 TPI**（或标为 fine）；摆动关或低；中低速。 | |
|
| 17 | -| 3 | 切金属的锯条（HSS / Bi-metal） | ⚠️ 可用（次优） | 钢材、薄金属；可勉强切塑料但表面较粗 | 刚性大、易发热；塑料可能有轻微融边或毛刺，后打磨。 | |
|
| 18 | -| 4 | 分赤合金锯片（双金属 / 合金） | ⚠️ 可用（一般） | 耐磨场合、金属切割 | 耐用但对塑料不是理想切削面，容易产生热与粗糙边。适合非最终表面要求的情况。 | |
|
| 19 | -| 5 | 树脂切割片 (Resin / bakelite) | ❌ 不推荐 | 早期通用片 / 某些薄材 | 属“磨削”类，切塑料会拉丝、融边、毛刺大。仅应急或雕刻用。 | |
|
| 20 | -| 6 | 砂轮切割片 (Abrasive cut-off wheel) | ❌ 不推荐 | 金属切断、钢筋、粗切 | 高摩擦→高热，塑料会熔化/拉丝/冒烟。危险且切口差。 | |
|
| 21 | -| 7 | 金刚石锯片 (Diamond blade) | ❌/⚠️ 不推荐 | 石材、瓷砖、硬脆材料；干切湿切石材 | 对软塑料是磨而非锯，易融边、拉丝。仅极少数特殊场合可勉强用并强制冷却，但通常不合适。 | |
|
| 22 | -| 8 | 瓷砖切割片 / 石材片 | ❌ 不推荐 | 瓷砖、陶瓷、石材 | 与金刚石片类似，不适合塑料。 | |
|
| 23 | -| 9 | 往复锯用粗齿（建筑用）锯条 | ❌ 不推荐 | 粗拆、管道、木材、建筑拆除 | 行程长、齿粗，塑料容易崩边、跑偏，表面粗糙。只作应急粗切。 | |
|
| 24 | -| 10 | 电烙铁（烧切） | ❌ 不推荐（应急/雕刻） | 塑料局部雕刻、打孔、微调 | 会释放气味/有毒烟（PVC 尤其危险）；切口熔融、毛刺多。仅在良好通风且不要求美观时用于微调。 | |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | -## target sheet plastic |
|
| 29 | - |
|
| 30 | -📌 最佳切塑料实践（回顾） |
|
| 31 | - |
|
| 32 | -- 平齿高速钢锯片（HSS） |
|
| 33 | -- 细齿木工/塑料专用锯片（24~32 TPI） |
|
| 34 | - |
|
| 35 | - |
|
| 36 | -- ✔ 用 电动线锯 + 细齿 HSS 锯片 |
|
| 37 | -- ✔ 关闭摆动，低速切割 |
|
| 38 | -- ✔ 夹紧材料 + 导向 |
|
| 39 | -- ✔ 事后砂纸打磨（400→800） |
|
| 40 | - |
|
| 41 | - |
|
| 42 | -## specs example |
|
| 43 | - |
|
| 44 | -12 inch |
|
| 45 | - |
|
| 46 | - |
|
| 47 | - |
|
| 48 | - |
|
| 49 | - |
|
| 50 | -## specs 2 |
|
| 51 | - |
|
| 52 | -- [[grinder-angle-dat]] |
|
| 53 | - |
|
| 54 | - |
|
| 55 | - |
|
| 56 | - |
|
| 57 | -## 是否适合切割 4 mm ABS 板材？ |
|
| 58 | -**结论：✅ 适合，而且非常合适** |
|
| 59 | - |
|
| 60 | -规格：**高速钢锯片 110 × 0.8 × 20 孔 × 180 齿** |
|
| 61 | -用途：**切割 4 mm ABS 板材** |
|
| 62 | - |
|
| 63 | ---- |
|
| 64 | - |
|
| 65 | -## 为什么这片锯片适合 ABS |
|
| 66 | - |
|
| 67 | -### 1️⃣ 齿数高（180T） |
|
| 68 | -- 单齿切削量小 |
|
| 69 | -- 切口平整、毛刺少 |
|
| 70 | -- 不容易咬料或崩边 |
|
| 71 | -- 对 ABS 这种易软化塑料非常友好 |
|
| 72 | - |
|
| 73 | ---- |
|
| 74 | - |
|
| 75 | -### 2️⃣ 锯片薄（0.8 mm） |
|
| 76 | -- 切削阻力小 |
|
| 77 | -- 发热低 |
|
| 78 | -- 适合 2–6 mm 塑料薄板 |
|
| 79 | - |
|
| 80 | -⚠️ 注意： |
|
| 81 | -锯片薄 → **必须夹紧工件**，避免振动导致跑偏 |
|
| 82 | - |
|
| 83 | ---- |
|
| 84 | - |
|
| 85 | -### 3️⃣ 高速钢（HSS） |
|
| 86 | -- 属于“锋利切削”，不是磨削 |
|
| 87 | -- 比砂轮片、金刚石片、树脂切割片**更适合塑料** |
|
| 88 | -- 不会撕裂 ABS 边缘 |
|
| 89 | - |
|
| 90 | ---- |
|
| 91 | - |
|
| 92 | -## 适合搭配的设备 |
|
| 93 | - |
|
| 94 | -| 设备 | 是否推荐 | 说明 | |
|
| 95 | -|---|---|---| |
|
| 96 | -| 小型台锯 / 精密切割机 | ✅ 强烈推荐 | 最稳、最直 | |
|
| 97 | -| 迷你台锯 / 模型锯 | ✅ 推荐 | 适合薄板 | |
|
| 98 | -| 电动线锯 | ⚠️ 勉强 | 锯片形式不同，不是最佳 | |
|
| 99 | -| 角磨机 | ❌ 不推荐 | 转速过高，危险且易融边 | |
|
| 100 | - |
|
| 101 | ---- |
|
| 102 | - |
|
| 103 | -## 推荐切割参数（实用） |
|
| 104 | - |
|
| 105 | -### 🔧 转速 |
|
| 106 | -- **中低速最佳** |
|
| 107 | -- 若设备可调速： |
|
| 108 | - **≈ 3000–6000 RPM（110 mm 锯片）** |
|
| 109 | - |
|
| 110 | -⚠️ 转速过高 → ABS 会融边、粘齿 |
|
| 111 | - |
|
| 112 | ---- |
|
| 113 | - |
|
| 114 | -### 🔧 进给方式 |
|
| 115 | -- 匀速、连续推进 |
|
| 116 | -- 不要停在同一点 |
|
| 117 | -- 让锯片自己吃料，不要硬推 |
|
| 118 | - |
|
| 119 | ---- |
|
| 120 | - |
|
| 121 | -### 🔧 固定与导向 |
|
| 122 | -- 工件必须 **完全夹紧** |
|
| 123 | -- 使用靠山 / 导轨 |
|
| 124 | -- 底下垫一块废板可明显提升稳定性 |
|
| 125 | - |
|
| 126 | ---- |
|
| 127 | - |
|
| 128 | -## 常见问题与解决方法 |
|
| 129 | - |
|
| 130 | -| 问题 | 原因 | 对策 | |
|
| 131 | -|---|---|---| |
|
| 132 | -| 边缘轻微融化 | 转速偏高 | 降低转速或稍加快进给 | |
|
| 133 | -| 锯屑粘在锯齿上 | 热量积累 | 吹风散热 / 暂停冷却 | |
|
| 134 | -| 切割抖动 | 锯片薄 + 固定不足 | 增加夹具、垫板 | |
|
| 135 | - |
|
| 136 | ---- |
|
| 137 | - |
|
| 138 | -## 一句话总结 |
|
| 139 | - |
|
| 140 | -**110 × 0.8 × 180T 的高速钢锯片，非常适合切割 4 mm ABS 板材** |
|
| 141 | -前提是： |
|
| 142 | -👉 使用台锯类设备 |
|
| 143 | -👉 中低转速 |
|
| 144 | -👉 工件夹紧并有导向 |
|
| 145 | - |
|
| 146 | - |
|
| 147 | -## ref |
|
| 148 | - |
|
| 149 | -- [[saw-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-cold-cut-dat/saw-cold-cut-dat.md
| ... | ... | @@ -1,108 +0,0 @@ |
| 1 | - |
|
| 2 | -# saw-cold-cut-dat |
|
| 3 | - |
|
| 4 | -一、为什么台锯 ≠ 冷切锯（核心原因） |
|
| 5 | -1️⃣ 转速完全不同（致命差异） |
|
| 6 | -项目 台锯 冷切锯 |
|
| 7 | -主轴转速 3000–6000 RPM 30–150 RPM |
|
| 8 | -工作方式 高速切削 低速剪切 |
|
| 9 | -扭矩 中等 极高 |
|
| 10 | - |
|
| 11 | -👉 冷切锯靠 低速 + 大扭矩 |
|
| 12 | -👉 台锯靠 高速 + 齿切削 |
|
| 13 | - |
|
| 14 | -这是结构级差异，不能靠“换锯片”解决。 |
|
| 15 | - |
|
| 16 | -2️⃣ 电机类型不一样 |
|
| 17 | - |
|
| 18 | -台锯： |
|
| 19 | - |
|
| 20 | -高速电机 |
|
| 21 | - |
|
| 22 | -不适合长时间高扭矩 |
|
| 23 | - |
|
| 24 | -冷切锯： |
|
| 25 | - |
|
| 26 | -工业减速电机 |
|
| 27 | - |
|
| 28 | -齿轮箱 / 蜗轮箱 |
|
| 29 | - |
|
| 30 | -👉 台锯 没有减速系统，强行降速会： |
|
| 31 | - |
|
| 32 | -扭矩不足 |
|
| 33 | - |
|
| 34 | -电机过热 |
|
| 35 | - |
|
| 36 | -易烧毁 |
|
| 37 | - |
|
| 38 | -3️⃣ 安全结构完全不同 ⚠️ |
|
| 39 | - |
|
| 40 | -冷切锯有： |
|
| 41 | - |
|
| 42 | -全封闭护罩 |
|
| 43 | - |
|
| 44 | -下压切割结构 |
|
| 45 | - |
|
| 46 | -重型夹钳 |
|
| 47 | - |
|
| 48 | -台锯： |
|
| 49 | - |
|
| 50 | -开放式锯片 |
|
| 51 | - |
|
| 52 | -材料是“推过去的” |
|
| 53 | - |
|
| 54 | -👉 用台锯低速切钢 = 严重反弹 / 崩齿 / 飞料风险 |
|
| 55 | - |
|
| 56 | -二、哪些“改装思路”是❌错误的 |
|
| 57 | - |
|
| 58 | -❌ 换冷切锯片 |
|
| 59 | -❌ 外接调速器把转速降下来 |
|
| 60 | -❌ 用皮带改传动比 |
|
| 61 | -❌ 用台锯切钢、不锈钢 |
|
| 62 | - |
|
| 63 | -这些都 不等于冷切锯，而且危险。 |
|
| 64 | - |
|
| 65 | -三、那台锯“最多”能做到什么？ |
|
| 66 | -✅ 台锯可以安全做的“金属极限” |
|
| 67 | -✔ 铝板 / 铝型材 |
|
| 68 | -✔ 铜 / 黄铜 |
|
| 69 | -✔ 塑料 / 有机玻璃 |
|
| 70 | - |
|
| 71 | - |
|
| 72 | -前提： |
|
| 73 | - |
|
| 74 | -用铝专用钨钢锯片 |
|
| 75 | - |
|
| 76 | -适当润滑 |
|
| 77 | - |
|
| 78 | -稳定进刀 |
|
| 79 | - |
|
| 80 | -不切钢、不切不锈钢 |
|
| 81 | - |
|
| 82 | -👉 这叫 “干式高速切铝”，不是冷切。 |
|
| 83 | - |
|
| 84 | -四、如果你真的需要“冷切效果”，正确方案是？ |
|
| 85 | -方案 1️⃣：直接买冷切锯（最安全） |
|
| 86 | - |
|
| 87 | -二手工业冷切锯也很值 |
|
| 88 | - |
|
| 89 | -适合钢、不锈钢、厚铝 |
|
| 90 | - |
|
| 91 | -方案 2️⃣：金属带锯（性价比最高） |
|
| 92 | - |
|
| 93 | -真正低速 |
|
| 94 | - |
|
| 95 | -安全 |
|
| 96 | - |
|
| 97 | -可切钢材 |
|
| 98 | - |
|
| 99 | -DIY 友好 |
|
| 100 | - |
|
| 101 | -方案 3️⃣：台锯 + 铝专用锯片（妥协方案） |
|
| 102 | - |
|
| 103 | -只切铝 |
|
| 104 | - |
|
| 105 | -不追求“冷切” |
|
| 106 | - |
|
| 107 | - |
|
| 108 | - |
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-dat.md
| ... | ... | @@ -1,159 +0,0 @@ |
| 1 | -# Saw - Cutting Plastics (saw-dat) |
|
| 2 | - |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[saw-blade-dat]] |
|
| 6 | - |
|
| 7 | -- [[saw-jig-dat]]] - 线锯 - 曲线锯 - 往复锯 |
|
| 8 | - |
|
| 9 | -- [[Saw-Circular-dat]] - 圆锯 - 台锯 - [[saw-table-dat]] - [[saw-cold-cut-dat]] - [[saw-Metal-band-dat]] |
|
| 10 | - |
|
| 11 | -- [[grinder-angle-dat]] - [[grinder-angle]] |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -## Quick summary (recommended by priority) |
|
| 17 | - |
|
| 18 | -1. Table saw (best for straight cuts, repeatability, and batch work) |
|
| 19 | -2. Jigsaw / Scroll saw (best for curves and low-volume custom shapes) |
|
| 20 | -3. Score and snap (very low cost, high straight-line accuracy for thin sheets) |
|
| 21 | -4. Laser cutting (high-quality complex contours — limited to compatible plastics) - [[laser-dat]] - [[laser-cutting-dat]] |
|
| 22 | - |
|
| 23 | ---- |
|
| 24 | - |
|
| 25 | -## 1. Table saw — Recommended for most use cases |
|
| 26 | - |
|
| 27 | -When to use: |
|
| 28 | - |
|
| 29 | -- Straight cuts and long cuts |
|
| 30 | -- Batch production or when repeatability matters |
|
| 31 | -- Tight tolerances (around ±0.2 mm) |
|
| 32 | - |
|
| 33 | -Suitable materials: |
|
| 34 | - |
|
| 35 | -- PMMA (acrylic), ABS, PVC, PC, PE, PP (but note special handling below) |
|
| 36 | - |
|
| 37 | -Key setup and blade selection: |
|
| 38 | - |
|
| 39 | -- Blade teeth: 80–120 teeth for thin plastics |
|
| 40 | -- Negative hook angle (around –5° to 0°) helps reduce chipping and tear-out |
|
| 41 | -- Use blades specifically designed for plastics / acrylic |
|
| 42 | -- Medium to high blade RPM; avoid slow RPM which can melt edges |
|
| 43 | -- Feed uniformly and continuously—do not stop on the cut |
|
| 44 | - |
|
| 45 | -Advantages: |
|
| 46 | - |
|
| 47 | -- Very straight, clean cuts |
|
| 48 | -- High throughput and good dimensional repeatability |
|
| 49 | -- Minimal post-processing when set up correctly |
|
| 50 | - |
|
| 51 | -Precautions: |
|
| 52 | - |
|
| 53 | -- Secure the sheet firmly; use clamps and fences |
|
| 54 | -- For acrylic, keep protective film on during cutting |
|
| 55 | - |
|
| 56 | ---- |
|
| 57 | - |
|
| 58 | -## 2. Jigsaw / Scroll saw (curves and single pieces) |
|
| 59 | - |
|
| 60 | -When to use: |
|
| 61 | - |
|
| 62 | -- Irregular contours or detailed cutouts |
|
| 63 | -- Prototyping and small quantities |
|
| 64 | - |
|
| 65 | -Blade recommendations and technique: |
|
| 66 | - |
|
| 67 | -- Use fine-tooth blades (e.g. T101A / T101B style or equivalent) |
|
| 68 | -- Small tooth pitch and sharp teeth reduce chipping |
|
| 69 | -- Use low or reduced pendulum action on the jigsaw to avoid melting |
|
| 70 | -- Slow cutting speed and steady feed — let the blade do the work |
|
| 71 | - |
|
| 72 | -Expected accuracy: |
|
| 73 | - |
|
| 74 | -- Approximately ±0.5 mm; some edge finishing usually required |
|
| 75 | - |
|
| 76 | ---- |
|
| 77 | - |
|
| 78 | -## 3. Score-and-snap (very low-cost, straight cuts, thin sheets) |
|
| 79 | - |
|
| 80 | -When to use: |
|
| 81 | - |
|
| 82 | -- Thin sheets (typically ≤ 4 mm) |
|
| 83 | -- Straight short cuts where a clean edge is needed on a budget |
|
| 84 | -- Materials: acrylic (PMMA), PVC, PS |
|
| 85 | - |
|
| 86 | -Tools and method: |
|
| 87 | - |
|
| 88 | -- Acrylic scoring knife or tungsten carbide scoring tool |
|
| 89 | -- Use a steel straightedge or ruler as a guide |
|
| 90 | -- Score the sheet multiple times (≥ 8–10 passes) until a visible groove is formed |
|
| 91 | -- Clamp the sheet on the table edge and snap down firmly for a clean break |
|
| 92 | - |
|
| 93 | -Advantages and limits: |
|
| 94 | - |
|
| 95 | -- Extremely low cost, minimal finishing |
|
| 96 | -- Not suitable for thick sheets (> 4 mm) or complex shapes |
|
| 97 | -- Not recommended for PC or flexible plastics like PE |
|
| 98 | - |
|
| 99 | ---- |
|
| 100 | - |
|
| 101 | -## 4. Laser cutting (high-precision complex shapes) |
|
| 102 | - |
|
| 103 | -When to use: |
|
| 104 | - |
|
| 105 | -- Complex contours, fine detail, or many internal cutouts |
|
| 106 | -- High edge quality required for compatible materials |
|
| 107 | - |
|
| 108 | -Best materials: |
|
| 109 | - |
|
| 110 | -- PMMA (acrylic) — excellent results, optical-quality edges possible |
|
| 111 | - |
|
| 112 | -Materials to avoid by default: |
|
| 113 | - |
|
| 114 | -- PVC — releases toxic chlorine gas when lasered |
|
| 115 | -- PC (polycarbonate) — tends to burn, blacken, and form poor melt edges |
|
| 116 | - |
|
| 117 | -Notes: |
|
| 118 | - |
|
| 119 | -- Use proper ventilation and filtration for any laser cutting |
|
| 120 | -- Power and speed settings must be tuned for thickness and plastic type |
|
| 121 | - |
|
| 122 | ---- |
|
| 123 | - |
|
| 124 | -## Materials notes and exceptions |
|
| 125 | - |
|
| 126 | -- PVC: avoid laser cutting (toxic gas). Mechanical cutting is ok with proper precautions. |
|
| 127 | -- PC (polycarbonate): difficult to laser; mechanical cutting often causes melting and rough edges — prefer careful mechanical methods and good blade selection. |
|
| 128 | -- PE / PP: flexible and can deform — secure firmly and use blades that minimise friction heating. |
|
| 129 | - |
|
| 130 | ---- |
|
| 131 | - |
|
| 132 | -## Accessories & finishing tips |
|
| 133 | - |
|
| 134 | -- Clamps and guides: F-clamps, quick clamps, and an aluminium extrusion or steel ruler as a guide/fence |
|
| 135 | -- Sanding sequence for edge finishing: 400 → 800 → 1200 grit |
|
| 136 | -- Acrylic edge finish: flame polishing can give optical clarity but risks warping — practice on scrap first |
|
| 137 | -- Keep protective film on acrylic until finishing is complete |
|
| 138 | - |
|
| 139 | ---- |
|
| 140 | - |
|
| 141 | -## Quick selection table |
|
| 142 | - |
|
| 143 | -| Need / Scenario | Recommended method | |
|
| 144 | -|---|---:| |
|
| 145 | -| Batch straight high-precision cuts | Table saw | |
|
| 146 | -| Small quantity, complex shapes | Jigsaw / scroll saw | |
|
| 147 | -| Low-cost straight cuts (thin sheet) | Score & snap | |
|
| 148 | -| High-precision complex contours (only PMMA) | Laser cutter | |
|
| 149 | - |
|
| 150 | ---- |
|
| 151 | - |
|
| 152 | -## References |
|
| 153 | - |
|
| 154 | -- Internal notes and AI-assisted summary |
|
| 155 | - |
|
| 156 | - |
|
| 157 | -## ref |
|
| 158 | - |
|
| 159 | -- [[AI]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-jig-dat/saw-jig-dat.md
| ... | ... | @@ -1,140 +0,0 @@ |
| 1 | - |
|
| 2 | -# jigsaw-dat |
|
| 3 | - |
|
| 4 | -要让**往复运动类锯（尤其是电动线锯 / jigsaw）切得“直”**，核心不是“手稳”，而是**机械约束 + 参数控制**。下面给你一套**可重复、可落地**的方法。 |
|
| 5 | - |
|
| 6 | ---- |
|
| 7 | - |
|
| 8 | -## ✅ 一、最可靠的方法（强烈推荐） |
|
| 9 | - |
|
| 10 | -### **1️⃣ 导轨 / 直尺 + 夹具（90% 直线来自这里）** |
|
| 11 | - |
|
| 12 | -**做法：** |
|
| 13 | - |
|
| 14 | -1. 用钢直尺 / 铝型材 / 木条作为**导轨** |
|
| 15 | -2. 距切线 = |
|
| 16 | - |
|
| 17 | - ``` |
|
| 18 | - 线锯底板边缘 → 锯条中心距离 |
|
| 19 | - ``` |
|
| 20 | -3. 两端用 F 夹固定 |
|
| 21 | -4. 底板紧贴导轨推进 |
|
| 22 | - |
|
| 23 | -📌 **关键点** |
|
| 24 | - |
|
| 25 | -* 导轨必须**比工件长** |
|
| 26 | -* 导轨要平直（别用翘的木条） |
|
| 27 | - |
|
| 28 | ---- |
|
| 29 | - |
|
| 30 | -## ✅ 二、锯条选择（决定是否“跑偏”） |
|
| 31 | - |
|
| 32 | -| 锯条类型 | 是否容易跑偏 | |
|
| 33 | -| -------------- | ------ | |
|
| 34 | -| **宽锯条（≥7 mm）** | ✅ 不易 | |
|
| 35 | -| 窄锯条（曲线用） | ❌ 非常容易 | |
|
| 36 | -| 细齿 24–32 TPI | ✅ | |
|
| 37 | -| 粗齿 | ❌ | |
|
| 38 | - |
|
| 39 | -📌 **结论：** |
|
| 40 | - |
|
| 41 | -> 切直线 = **宽、厚、细齿锯条** |
|
| 42 | - |
|
| 43 | ---- |
|
| 44 | - |
|
| 45 | -## ✅ 三、机器设置（很多人忽略） |
|
| 46 | - |
|
| 47 | -### 🔹 摆动（Orbital） |
|
| 48 | - |
|
| 49 | -* **关掉或最低档（0–1）** |
|
| 50 | -* 摆动越大 → 越容易斜 |
|
| 51 | - |
|
| 52 | -### 🔹 转速 |
|
| 53 | - |
|
| 54 | -* 塑料 / 薄板：**中低速** |
|
| 55 | -* 太快 → 热变形 + 跑线 |
|
| 56 | - |
|
| 57 | ---- |
|
| 58 | - |
|
| 59 | -## ✅ 四、操作手法（避免“Z 字切割”） |
|
| 60 | - |
|
| 61 | -### ❌ 错误动作 |
|
| 62 | - |
|
| 63 | -* 用力推锯 |
|
| 64 | -* 手腕左右修正 |
|
| 65 | -* 中途停顿 |
|
| 66 | - |
|
| 67 | -### ✅ 正确动作 |
|
| 68 | - |
|
| 69 | -* 只控制**方向**，不控制**力量** |
|
| 70 | -* 让锯条自己吃料 |
|
| 71 | -* 保持连续、均匀推进 |
|
| 72 | - |
|
| 73 | -📌 **口诀：** |
|
| 74 | - |
|
| 75 | -> **不推、不拉、不修正，让锯条自己走** |
|
| 76 | - |
|
| 77 | ---- |
|
| 78 | - |
|
| 79 | -## ✅ 五、底板贴合（非常关键） |
|
| 80 | - |
|
| 81 | -* 锯底板必须**全程贴紧材料** |
|
| 82 | -* 不要抬起前端 |
|
| 83 | -* 不要单点接触 |
|
| 84 | - |
|
| 85 | -📌 **否则结果：** |
|
| 86 | - |
|
| 87 | -* 锯条前后倾斜 |
|
| 88 | -* 切口成“V”或“斜面” |
|
| 89 | - |
|
| 90 | ---- |
|
| 91 | - |
|
| 92 | -## ✅ 六、工件固定（比你想的重要） |
|
| 93 | - |
|
| 94 | -* 工件**必须完全夹紧** |
|
| 95 | -* 震动 = 跑偏 |
|
| 96 | -* 悬空部分不要太长 |
|
| 97 | - |
|
| 98 | ---- |
|
| 99 | - |
|
| 100 | -## 🧪 七、进阶技巧（追求更直） |
|
| 101 | - |
|
| 102 | -### 🔹 双板夹切法 |
|
| 103 | - |
|
| 104 | -``` |
|
| 105 | -[直导木板] |
|
| 106 | -============ ← 导轨 |
|
| 107 | -[塑料板] |
|
| 108 | -[废板] |
|
| 109 | -``` |
|
| 110 | - |
|
| 111 | -* 底部加一块废板 |
|
| 112 | -* 锯条受力更稳定 |
|
| 113 | -* 减少翘曲 |
|
| 114 | - |
|
| 115 | ---- |
|
| 116 | - |
|
| 117 | -## 🚫 八、哪些工具更难直？ |
|
| 118 | - |
|
| 119 | -| 工具 | 直线能力 | |
|
| 120 | -| ----- | ---- | |
|
| 121 | -| 电动线锯 | ⭐⭐⭐ | |
|
| 122 | -| 建筑往复锯 | ⭐ | |
|
| 123 | -| 角磨机 | ⭐ | |
|
| 124 | -| 手工线锯 | ⭐⭐ | |
|
| 125 | - |
|
| 126 | ---- |
|
| 127 | - |
|
| 128 | -## 🧾 一句话总结 |
|
| 129 | - |
|
| 130 | -> 🔧 **直线不是靠手稳，而是靠“导轨 + 锯条 + 设置”** |
|
| 131 | - |
|
| 132 | ---- |
|
| 133 | - |
|
| 134 | -如果你愿意告诉我： |
|
| 135 | - |
|
| 136 | -* **材料**（PMMA / PC / PVC / ABS） |
|
| 137 | -* **厚度** |
|
| 138 | -* **线锯型号** |
|
| 139 | - |
|
| 140 | -我可以直接给你一套**具体参数（转速 / 锯条型号 / 摆动档）**，做到一次就直。 |
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-table-dat/2025-12-18-18-04-24.png
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mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-table-dat/saw-table-dat.md
| ... | ... | @@ -1,131 +0,0 @@ |
| 1 | -# Table Saw — What a small table saw should NOT cut |
|
| 2 | - |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -cut target |
|
| 6 | - |
|
| 7 | -- [[profile-dat]] - [[sheet-dat]] - [[rod-system-dat]] |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -This guide lists metals and conditions that are unsafe or unsuitable for small table saws. It also gives safer tool alternatives for cutting various metals. |
|
| 13 | - |
|
| 14 | -## 1) Steel family — HIGH RISK (Do NOT cut) |
|
| 15 | - |
|
| 16 | -- Carbon steel |
|
| 17 | -- Alloy steel |
|
| 18 | -- Stainless steel |
|
| 19 | -- Spring steel |
|
| 20 | -- Tool steel |
|
| 21 | - |
|
| 22 | -Why not: |
|
| 23 | - |
|
| 24 | -- Small table saws run at high RPM (typically 4,000–6,000 RPM) with no coolant |
|
| 25 | -- The blade can overheat instantly and suffer tooth breakage |
|
| 26 | -- Severe kickback and dangerous projectiles |
|
| 27 | - |
|
| 28 | -Conclusion: Strictly prohibited |
|
| 29 | - |
|
| 30 | ---- |
|
| 31 | - |
|
| 32 | -## 2) Thick metal (Any material) — NOT SUITABLE / HIGH RISK |
|
| 33 | - |
|
| 34 | -- Aluminum sheet ≥ 3–4 mm |
|
| 35 | -- Copper sheet ≥ 2 mm |
|
| 36 | -- Brass sheet ≥ 2 mm |
|
| 37 | -- Large metal profiles (angle, channel, etc.) |
|
| 38 | - |
|
| 39 | -Why not: |
|
| 40 | - |
|
| 41 | -- Excessive feed resistance |
|
| 42 | -- Small table saws lack torque for heavy cuts |
|
| 43 | -- Blade pinching and flying debris are likely |
|
| 44 | - |
|
| 45 | -Conclusion: Avoid; use appropriate metal-cutting equipment |
|
| 46 | - |
|
| 47 | ---- |
|
| 48 | - |
|
| 49 | -## 3) Hard, brittle metals — DANGEROUS (Do NOT cut) |
|
| 50 | - |
|
| 51 | -- Cast iron |
|
| 52 | -- Zinc alloys / die-cast parts |
|
| 53 | -- Magnesium alloys |
|
| 54 | - |
|
| 55 | -Why not: |
|
| 56 | - |
|
| 57 | -- Parts can shatter or chip |
|
| 58 | -- High-speed fragments pose major risk |
|
| 59 | - |
|
| 60 | -Conclusion: Strictly prohibited |
|
| 61 | - |
|
| 62 | ---- |
|
| 63 | - |
|
| 64 | -## 4) Thin-walled metal tubes and thin metal sheets — VERY DANGEROUS |
|
| 65 | - |
|
| 66 | -- Tubes with wall thickness < 1 mm |
|
| 67 | -- Thin steel/aluminum sheets |
|
| 68 | - |
|
| 69 | -Why not: |
|
| 70 | - |
|
| 71 | -- Teeth can grab and pull thin-walled parts |
|
| 72 | -- Risk of entanglement, winding, and ejection |
|
| 73 | - |
|
| 74 | -Conclusion: Extremely hazardous with a small table saw |
|
| 75 | - |
|
| 76 | ---- |
|
| 77 | - |
|
| 78 | -## May be cut only under strict, controlled conditions |
|
| 79 | - |
|
| 80 | -These are conditional cases where cutting is physically possible but not recommended unless all precautions are met. |
|
| 81 | - |
|
| 82 | -Prerequisites: |
|
| 83 | - |
|
| 84 | -- Use a metal-specific blade (TCT blade for aluminum or a non-ferrous metal blade) |
|
| 85 | -- Secure the workpiece firmly with proper clamps or fixtures |
|
| 86 | -- Use very low feed and controlled cutting parameters |
|
| 87 | -- Operator must be experienced with metal cutting on small machines |
|
| 88 | - |
|
| 89 | -Possible (still not recommended): |
|
| 90 | - |
|
| 91 | -- Non-ferrous thin parts only: |
|
| 92 | - - Aluminum ≤ 2 mm |
|
| 93 | - - Brass ≤ 1.5 mm |
|
| 94 | - - Copper ≤ 1 mm |
|
| 95 | - |
|
| 96 | -Note: "Can be cut" ≠ "should be cut" — safety and tool life remain major concerns. |
|
| 97 | - |
|
| 98 | ---- |
|
| 99 | - |
|
| 100 | -## Recommended tools by metal |
|
| 101 | - |
|
| 102 | -| Metal / Part | Recommended tool | |
|
| 103 | -| ----------------------- | -------------------------------------------------------------- | |
|
| 104 | -| Steel / Stainless | Metal bandsaw / cold-cut saw / angle grinder with cutoff wheel | |
|
| 105 | -| Large aluminum profiles | Cold-cut saw / dedicated sawing machine | |
|
| 106 | -| Thin aluminum sheet | Jigsaw with metal cutting blades or shearing/cold saw | |
|
| 107 | -| Small metal rods / bars | Metal bandsaw / hacksaw (manual) | |
|
| 108 | - |
|
| 109 | ---- |
|
| 110 | - |
|
| 111 | -## Micro-size table saw |
|
| 112 | - |
|
| 113 | - |
|
| 114 | - |
|
| 115 | -Small benchtop saws can be useful for wood, plastics, and light hobby work — not for cutting most metals. |
|
| 116 | - |
|
| 117 | ---- |
|
| 118 | - |
|
| 119 | -## Full-size table saw |
|
| 120 | - |
|
| 121 | - |
|
| 122 | - |
|
| 123 | -Full-size, industrial saws with appropriate blades, guards, and coolant systems may handle some non-ferrous metals safely when used with correct blades and feeding methods. Even then, choose a purpose-built metal-cutting machine whenever possible. |
|
| 124 | - |
|
| 125 | ---- |
|
| 126 | - |
|
| 127 | -## ref |
|
| 128 | - |
|
| 129 | -- [[tools-power-dat]] |
|
| 130 | - |
|
| 131 | -- [[AI]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-power-dat/tools-power-dat.md
| ... | ... | @@ -1,63 +0,0 @@ |
| 1 | -
|
|
| 2 | -# power-tools-dat
|
|
| 3 | -
|
|
| 4 | -
|
|
| 5 | -
|
|
| 6 | -- [[grinder-dat]]
|
|
| 7 | -
|
|
| 8 | -- [[saw-dat]] - [[saw-blade-dat]]
|
|
| 9 | -
|
|
| 10 | -- [[saw-jig-dat]]] - 线锯 - 曲线锯 - 往复锯
|
|
| 11 | -
|
|
| 12 | -- [[Saw-Circular-dat]] - 圆锯 - 台锯 - [[saw-table-dat]] - [[saw-cold-cut-dat]] - [[saw-Metal-band-dat]]
|
|
| 13 | -
|
|
| 14 | -
|
|
| 15 | -
|
|
| 16 | -- [[rotary-tool-dat]]
|
|
| 17 | -
|
|
| 18 | -- [[grinder-angle-dat]]
|
|
| 19 | -
|
|
| 20 | -- [[grinder-angle-dat]]
|
|
| 21 | -
|
|
| 22 | -
|
|
| 23 | -- [[drill-electric-dat]] add a rack as a [[saw-jig-dat]] == not recommanded
|
|
| 24 | -
|
|
| 25 | -
|
|
| 26 | -
|
|
| 27 | -
|
|
| 28 | -
|
|
| 29 | -## power tools
|
|
| 30 | -
|
|
| 31 | -- [[saw-dat]] - [[Rotary-Tool-dat]] - [[saw-blade-dat]]
|
|
| 32 | -
|
|
| 33 | -- [[mechanical-tools]]
|
|
| 34 | -
|
|
| 35 | -- 电热刀
|
|
| 36 | -
|
|
| 37 | -- 车床：lathe
|
|
| 38 | -
|
|
| 39 | -- 弓臂锯床：power hacksaw（也可说 hacksaw machine）
|
|
| 40 | -
|
|
| 41 | -- 磨床：grinding machine / grinder
|
|
| 42 | -
|
|
| 43 | -- 钻床：drilling machine / drill press
|
|
| 44 | -
|
|
| 45 | -- [[drill-electric-dat]]
|
|
| 46 | -
|
|
| 47 | -
|
|
| 48 | -
|
|
| 49 | -
|
|
| 50 | -
|
|
| 51 | -
|
|
| 52 | -
|
|
| 53 | -## target
|
|
| 54 | -
|
|
| 55 | -- [[profile-dat]] - [[sheet-dat]] - [[rod-system-dat]]
|
|
| 56 | -
|
|
| 57 | -
|
|
| 58 | -
|
|
| 59 | -## ref
|
|
| 60 | -
|
|
| 61 | -- [[power-tools]] - [[mechanical-tools]] - [[mechanics]]
|
|
| 62 | -
|
|
| 63 | -- [[tools]] - [[power-tools]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-power-dat/tools-power-socket-dat/2026-02-07-13-41-02.png
| ... | ... | Binary files a/mechanics-dat/mechanical-tools-dat/tools-power-dat/tools-power-socket-dat/2026-02-07-13-41-02.png and /dev/null differ |
mechanics-dat/mechanical-tools-dat/tools-power-dat/tools-power-socket-dat/2026-02-07-13-44-12.png
| ... | ... | Binary files a/mechanics-dat/mechanical-tools-dat/tools-power-dat/tools-power-socket-dat/2026-02-07-13-44-12.png and /dev/null differ |
mechanics-dat/mechanical-tools-dat/tools-power-dat/tools-power-socket-dat/tools-power-socket-dat.md
| ... | ... | @@ -1,19 +0,0 @@ |
| 1 | - |
|
| 2 | -# tools-power-socket-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## hex |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -- [[hex-key-dat]] - [[tools-power-socket-dat]] |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | -50MM*H1.5 - 50MM*H2 - 50MM*H2.5 - 50MM*H3 - 50MM*H4 - 50MM*H5 - 50MM*H6 - 50MM*H8 - 50MM*H10 - 50MM*H12 - 65MM*H1.5 - 65MM*H2 - 65MM*H2.5 - 65MM*H3 - 65MM*H4 - 65MM*H5 - 65MM*H6 - 65MM*H8 - 65MM*H10 - 65MM*H12 - 100MM*H2.5 - 100MM*H3 - 100MM*H4 - 100MM*H5 - 100MM*H6 - 100MM*H8 - 100MM*H10 - 100MM*H12 - 150MM*H3 - 150MM*H4 - 150MM*H5 - 150MM*H6 - 150MM*H8 - 150MM*H10 |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
mechanics-dat/mechanical-tools-dat/tools-protective-dat/protective-glass-dat/protective-glass-dat.md
| ... | ... | @@ -1,32 +0,0 @@ |
| 1 | - |
|
| 2 | -# protective-glass-dat |
|
| 3 | - |
|
| 4 | -Protective glasses should be **impact-resistant, lightweight, optically clear**, and sometimes **chemical or scratch-resistant** depending on the usage environment. |
|
| 5 | - |
|
| 6 | ---- |
|
| 7 | - |
|
| 8 | -## 🥇 1. Polycarbonate |
|
| 9 | -- **Most common material** for safety glasses. |
|
| 10 | -- **Advantages:** |
|
| 11 | - - Extremely **impact-resistant** (up to 10x stronger than glass or standard plastic) |
|
| 12 | - - Lightweight and comfortable for extended wear |
|
| 13 | - - Naturally blocks **100% UV rays** |
|
| 14 | -- **Disadvantages:** |
|
| 15 | - - More prone to **scratching** (usually comes with an anti-scratch coating) |
|
| 16 | - |
|
| 17 | ---- |
|
| 18 | - |
|
| 19 | -## 🥈 2. Trivex |
|
| 20 | -- A newer alternative to polycarbonate with improved clarity. |
|
| 21 | -- **Advantages:** |
|
| 22 | - - High **impact resistance** |
|
| 23 | - - Superior **optical clarity** |
|
| 24 | - - Lightweight and provides UV protection |
|
| 25 | -- **Disadvantages:** |
|
| 26 | - - **More expensive** than polycarbonate |
|
| 27 | - |
|
| 28 | -- [[Trivex-dat]] |
|
| 29 | - |
|
| 30 | -## ref |
|
| 31 | - |
|
| 32 | -- [[mechanic-tools-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanical-tools-dat/tools-protective-dat/tools-protective-dat.md
| ... | ... | @@ -1,3 +0,0 @@ |
| 1 | - |
|
| 2 | -# tools-protective-dat |
|
| 3 | - |
mechanics-dat/mechanics-dat.md
| ... | ... | @@ -1,157 +0,0 @@ |
| 1 | -
|
|
| 2 | -# mechanics-dat
|
|
| 3 | -
|
|
| 4 | -- [[fab-dat]] - [[case-dat]] - [[hack-dat]]
|
|
| 5 | -
|
|
| 6 | -- [[engineering-dat]]
|
|
| 7 | -
|
|
| 8 | -- [[Linear-Solenoid-Valve-dat]] - [[electromechanical-dat]] - [[gear-worm-dat]] - [[mechanics-dat]]
|
|
| 9 | -
|
|
| 10 | -
|
|
| 11 | -
|
|
| 12 | -- [[Rivet-dat]] - [[Expansion-bolt-dat]]
|
|
| 13 | -
|
|
| 14 | -- [[cable-dat]]
|
|
| 15 | -
|
|
| 16 | -- [[glue-dat]]
|
|
| 17 | -
|
|
| 18 | -- [[CAD-dat]]
|
|
| 19 | -
|
|
| 20 | -
|
|
| 21 | -
|
|
| 22 | -- [[heatsink-dat]]
|
|
| 23 | -
|
|
| 24 | -- [[PCB-installation-dat]]
|
|
| 25 | -
|
|
| 26 | -- [[copper-spacer-dat]]
|
|
| 27 | -
|
|
| 28 | -
|
|
| 29 | -
|
|
| 30 | -- [[Lead-screw-dat]]
|
|
| 31 | -
|
|
| 32 | -- [[materials-dat]] - [[plastic-dat]]
|
|
| 33 | -
|
|
| 34 | -- [[mechanical-structure-dat]] - [[PVC-tube-dat]] - [[aluminum-profile-dat]] - [[turnover-box-dat]] - [[cardboard-dat]] - [[shaft-plain-dat]]
|
|
| 35 | -
|
|
| 36 | -- [[Shaft-dat]] - [[rod-system-dat]] - [[alu-extrusion-dat]] - [[motion-system-dat]] - [[rod-dat]] - [[tube-dat]]
|
|
| 37 | -
|
|
| 38 | -- [[mechanical-parts-dat]] - [[bearing-dat]] - [[nut-dat]] - [[flange-dat]] - [[crank-dat]] - [[hinge-dat]]
|
|
| 39 | -
|
|
| 40 | -- [[mechanical-tools-dat]] - [[tools-dat]] - [[mechanical-tools]]
|
|
| 41 | -
|
|
| 42 | -- [[mechanism-dat]]
|
|
| 43 | -
|
|
| 44 | -
|
|
| 45 | -
|
|
| 46 | -
|
|
| 47 | -- [[oil-mineral-dat]]
|
|
| 48 | -
|
|
| 49 | -- [[physics-dat]] - [[optical-design-dat]]
|
|
| 50 | -
|
|
| 51 | -- [[waterproof-dat]]
|
|
| 52 | -
|
|
| 53 | -## category 2.0
|
|
| 54 | -
|
|
| 55 | -mechanics-dat
|
|
| 56 | -[[fab-dat]] - [[case-dat]]
|
|
| 57 | -
|
|
| 58 | -[[glue-dat]]
|
|
| 59 | -
|
|
| 60 | -[[mechanical-structure-dat/motion-system-dat/motion-system-dat]]
|
|
| 61 | -
|
|
| 62 | -[[mechnical-structure-dat]]
|
|
| 63 | -
|
|
| 64 | -[[bearing-dat]] - [[nut-dat]]
|
|
| 65 | -
|
|
| 66 | -[[CNC-dat]]
|
|
| 67 | -
|
|
| 68 | -[[heatsink-dat]]
|
|
| 69 | -
|
|
| 70 | -[[PCB-installation-dat]]
|
|
| 71 | -
|
|
| 72 | -[[mechanic-tools-dat]]
|
|
| 73 | -
|
|
| 74 | -[[copper-spacer-dat]]
|
|
| 75 | -
|
|
| 76 | -[[Pneumatic-cylinder-dat]]
|
|
| 77 | -
|
|
| 78 | -[[Lead-screw-dat]] - [[screw-dat]] - [[screw-thumb-dat]]
|
|
| 79 | -
|
|
| 80 | -- [[flange-dat]]
|
|
| 81 | -
|
|
| 82 | -## category 2.0
|
|
| 83 | -
|
|
| 84 | -### Common Mechanical Parts
|
|
| 85 | -
|
|
| 86 | -Key - Magnet - Spring - Seal Ring - Shaft Collar/Metal Washer/Shim - Split Pin/Cotter Pin - Pipe Fittings - Scale Ruler - Oil Nozzle - Probe - Industrial Brush
|
|
| 87 | -
|
|
| 88 | -### Linear Motion Parts
|
|
| 89 | -
|
|
| 90 | -Guide Shaft - Guide Shaft Bracket - Linear Bearing - Aluminum-Plastic Linear Bearing - Oil-Free Bushing - Linear Rail - Cross Roller Guide/Slide - Ball Screw - Ball Screw Support Assembly - Trapezoidal Screw/Screw Related Parts - Spline - KK Module/Single-Axis Driver - Aluminum Base Linear Module - Rail-Embedded Linear Module - Linear Motor Module - Positioning Stage - Cable Drag Chain - Machine Tool Protective Cover
|
|
| 91 | -
|
|
| 92 | -### Transmission Components
|
|
| 93 | -
|
|
| 94 | -Coupling/Universal Joint - Timing Belt - Timing Pulley - Flat Belt/Round Belt - Roller - Gear/Rack - Sprocket/Chain - Pulley/Idler - Drum - Roller Strip - V-Belt·V-Belt Pulley - Multi-Wedge Pulley·Multi-Wedge Belt - Universal Ball - Mounted Bearing - Bearing - Joint/Rubber-Coated Bearing·Bearing Follower - Bearing Accessories - Shaft
|
|
| 95 | -
|
|
| 96 | -### Door Parts/Casters/Feet
|
|
| 97 | -
|
|
| 98 | -Handle - Grip - Handwheel - Hinge - Industrial Slide Rail - Pull Handle - Sealing Clasp - Latch - Hasp - Ball Latch - Magnetic Catch - Hook - Support Rod - Door Lock - Sealing Strip - Foot Cup - Caster - Leveling Wheel - Connector - Monitor Bracket
|
|
| 99 | -
|
|
| 100 | -### Fasteners
|
|
| 101 | -
|
|
| 102 | -Lifting Eye - Screw - Combination Parts - Nut - Retaining Ring - Washer - Screw with Stop Block - Bolt - Stud - Resin Parts - Positioning Ball/Positioning Pin - Riveting Parts - Thread Insert
|
|
| 103 | -
|
|
| 104 | -### Positioning Parts
|
|
| 105 | -
|
|
| 106 | -Fixing Ring - Post/Base/Post Fixing Clamp - Positioning Guide Parts - Cantilever Pin/Hinge Pin - Positioning Pin - Positioning Pin Bushing/Fixture Bushing - Indexing Pin/Quick-Release Pin - Clamp
|
|
| 107 | -
|
|
| 108 | -### Pneumatic Components
|
|
| 109 | -
|
|
| 110 | -Air Source Processing Elements - Cylinder - Control Valve/Manifold - Pneumatic Accessories - Air Tube/Hose - Vacuum Suction Cup - Pneumatic Connector/Speed Control Valve - Connection Block - Vacuum Generator - Nozzle
|
|
| 111 | -
|
|
| 112 | -### Industrial Materials/Damping/Heat Insulation
|
|
| 113 | -
|
|
| 114 | -Damping Material - Resin Board/Insulation Board - Sound Insulation and Shock Absorption
|
|
| 115 | -
|
|
| 116 | -### Industrial Control/Low-Voltage Power Distribution/Electrical Accessories
|
|
| 117 | -
|
|
| 118 | -Circuit Breaker/Air Switch - Contactor - Relay - Industrial Power Supply - Push Button Switch/Indicator Light/Buzzer/Button Box - Signal Light/Alarm Light - LED Lighting - Fan - PLC - Touch Screen - Frequency Converter - Measuring Instrument - Filter - Fuse/Fuse Holder - Crimp Terminal - Terminal Block - Switch/Router/Network Cable Accessories - Connector - Cable - Panel Box - Motion Controller - Plug/Socket/Power Strip - Electrical Accessories - Surge Protector - Transformer - Over/Under Voltage Protector - Current Transformer - Isolation Switch - Protective Tube/Flexible Tube/Cable Trunking - Time Relay - Distributed IO/Protocol Gateway/Data Acquisition
|
|
| 119 | -
|
|
| 120 | -### Sensors/Switches
|
|
| 121 | -
|
|
| 122 | -Photoelectric Sensor - Proximity Sensor - Area Sensor - Micro Switch - Limit Switch - Air Pressure Sensor - Temperature Sensor - Force Sensor - Laser Photoelectric Sensor - Fiber Optic Sensor - Color Mark Sensor - Laser Displacement Sensor - Slot-Type Photoelectric Sensor - Safety Light Curtain Sensor - Ultrasonic Sensor - Encoder
|
|
| 123 | -
|
|
| 124 | -### Motor Drives
|
|
| 125 | -
|
|
| 126 | -Stepper Motor - Servo Motor - Servo Stepper Special Accessories - Precision Planetary Reducer == [[dc-gear-motor-dat]] - Angle Rotator - Hollow Rotating Platform - Parallel Reduction Motor - Right Angle Reduction Motor - DD Motor - Cam Divider - Medium-Sized Reducer - RV Reducer - Linear Motor - Three-Phase Asynchronous Motor - Screw Motor - Joint Motor - DC Motor - AGV Special Accessories - Servo Electric Screwdriver - Brushless Reduction Motor - Integrated Stepper Reduction Motor - Drive Integrated Motor
|
|
| 127 | -
|
|
| 128 | -### Tools/Cutting Tools/Fixtures
|
|
| 129 | -
|
|
| 130 | -Measuring Tool - Storage Tool - Manual Tool - Milling Cutter - Tap - Electronic and Electrical Tools - Labor Protection Tools - Flexible Fixture - Machine Tool Fixture - Hand Truck
|
|
| 131 | -
|
|
| 132 | -### Hydraulic Components
|
|
| 133 | -
|
|
| 134 | -Hydraulic Connectors and Pipe Fittings
|
|
| 135 | -
|
|
| 136 | -### Machine Vision
|
|
| 137 | -
|
|
| 138 | -Industrial Camera - Vision Light Source - Controller - Robot End Effector
|
|
| 139 | -
|
|
| 140 | -### Mold Accessories
|
|
| 141 | -
|
|
| 142 | -Stamping Die Standard Parts - Plastic Mold Standard Parts
|
|
| 143 | -
|
|
| 144 | -### Industrial Aluminum Profile and Accessories
|
|
| 145 | -
|
|
| 146 | -Aluminum Profile - Profile Accessories - Conveyor Line and Functional Components - Aluminum Profile Frame - Lean Pipe - Cantilever Accessories - Fast-Speed Chain Profile
|
|
| 147 | -
|
|
| 148 | -### Aluminum Alloy Enclosure
|
|
| 149 | -
|
|
| 150 | -
|
|
| 151 | -
|
|
| 152 | -## ref
|
|
| 153 | -
|
|
| 154 | -
|
|
| 155 | -- [[mechanics]]
|
|
| 156 | -
|
|
| 157 | -- [[tech-dat]]
|
mechanics-dat/mechanism-dat/Gantry-System-dat/Gantry-System-dat.md
| ... | ... | @@ -1,5 +0,0 @@ |
| 1 | - |
|
| 2 | -# Gantry-System-dat |
|
| 3 | - |
|
| 4 | -- 龙门架构 |
|
| 5 | - |
mechanics-dat/mechanism-dat/arm-level-dat/2025-12-06-14-04-38.png
| ... | ... | Binary files a/mechanics-dat/mechanism-dat/arm-level-dat/2025-12-06-14-04-38.png and /dev/null differ |
mechanics-dat/mechanism-dat/arm-level-dat/arm-level-dat.md
| ... | ... | @@ -1,7 +0,0 @@ |
| 1 | - |
|
| 2 | -# arm-level-dat |
|
| 3 | - |
|
| 4 | -- In RC models, robotics, or mechanical assemblies, a **摇臂** can refer to any **pivoting link** that transmits motion. |
|
| 5 | -- Key characteristics: pivot point, arm length, and connection points for input/output motion. |
|
| 6 | - |
|
| 7 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanism-dat/chassis-dat/chassis-dat.md
| ... | ... | @@ -1,10 +0,0 @@ |
| 1 | - |
|
| 2 | -# chassis-dat.md |
|
| 3 | - |
|
| 4 | -- [[sheet-dat]] - [[cad-dat]] |
|
| 5 | - |
|
| 6 | -- [[suspension-dat]] - [[suspension]] |
|
| 7 | - |
|
| 8 | -- [[wheel-dat]] |
|
| 9 | - |
|
| 10 | -- [[motor-dat]] - [[motor-driver-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-37-08.png
| ... | ... | Binary files a/mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-37-08.png and /dev/null differ |
mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-37-25.png
| ... | ... | Binary files a/mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-37-25.png and /dev/null differ |
mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-39-04.png
| ... | ... | Binary files a/mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-39-04.png and /dev/null differ |
mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-39-55.png
| ... | ... | Binary files a/mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-39-55.png and /dev/null differ |
mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-41-15.png
| ... | ... | Binary files a/mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-41-15.png and /dev/null differ |
mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-42-51.png
| ... | ... | Binary files a/mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-15-42-51.png and /dev/null differ |
mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-17-20-43.png
| ... | ... | Binary files a/mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-17-20-43.png and /dev/null differ |
mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-17-21-11.png
| ... | ... | Binary files a/mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/2025-11-27-17-21-11.png and /dev/null differ |
mechanics-dat/mechanism-dat/chassis-dat/suspension-dat/suspension-dat.md
| ... | ... | @@ -1,30 +0,0 @@ |
| 1 | - |
|
| 2 | -# suspension-dat |
|
| 3 | - |
|
| 4 | -- [[bogie-dat]] |
|
| 5 | - |
|
| 6 | -## stroller classic suspension |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -## suspension with break |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | -## suspension with rotation support |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | -## rotating system |
|
| 29 | - |
|
| 30 | - |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanism-dat/damping-dat/damping-dat.md
| ... | ... | @@ -1,4 +0,0 @@ |
| 1 | - |
|
| 2 | -# damping-dat |
|
| 3 | - |
|
| 4 | -- [[damper-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanism-dat/mechanism-dat.md
| ... | ... | @@ -1,68 +0,0 @@ |
| 1 | - |
|
| 2 | -# mechanism-dat |
|
| 3 | - |
|
| 4 | -- level |
|
| 5 | - |
|
| 6 | -- [[trigger-dat]] |
|
| 7 | - |
|
| 8 | -- spring |
|
| 9 | - |
|
| 10 | -- [[gearbox-dat]] |
|
| 11 | - |
|
| 12 | -- [[pump-dat]] - [[fitting-dat]] |
|
| 13 | - |
|
| 14 | -- [[reciprocating-dat]] |
|
| 15 | - |
|
| 16 | -- [[chassis-dat]] |
|
| 17 | - |
|
| 18 | -- [[gear-worm-dat]] |
|
| 19 | - |
|
| 20 | - |
|
| 21 | -## structure |
|
| 22 | - |
|
| 23 | -- [[gantry-system-dat]] - [[x-y-dat]] |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | -## differential |
|
| 29 | - |
|
| 30 | -A **differential** is an essential device in a vehicle’s drivetrain, usually located in the drive axle. |
|
| 31 | - |
|
| 32 | -## Main Functions |
|
| 33 | -1. **Allow different wheel speeds** |
|
| 34 | - - When driving straight, both wheels rotate at the same speed. |
|
| 35 | - - When turning, the outside wheel must travel farther, so it rotates faster. |
|
| 36 | - - The differential lets wheels rotate at different speeds while still receiving power. |
|
| 37 | - |
|
| 38 | -2. **Torque distribution** |
|
| 39 | - - Splits engine torque and delivers it to both wheels. |
|
| 40 | - |
|
| 41 | -3. **Improved handling and stability** |
|
| 42 | - - Without a differential, turning would be difficult and could cause tire wear or drivetrain damage. |
|
| 43 | - |
|
| 44 | -## Common Types |
|
| 45 | -- **Open Differential** |
|
| 46 | - - Simple, common type. |
|
| 47 | - - Loses traction if one wheel slips. |
|
| 48 | - |
|
| 49 | -- **Limited Slip Differential (LSD)** |
|
| 50 | - - Restricts excessive wheel speed difference. |
|
| 51 | - - Improves traction on slippery surfaces. |
|
| 52 | - |
|
| 53 | -- **Locking Differential** |
|
| 54 | - - Forces both wheels to rotate at the same speed. |
|
| 55 | - - Useful in off-road conditions. |
|
| 56 | - |
|
| 57 | -- **Active Differential** |
|
| 58 | - - Electronically controlled. |
|
| 59 | - - Adjusts torque distribution dynamically based on driving conditions. |
|
| 60 | - |
|
| 61 | - |
|
| 62 | - |
|
| 63 | -## ref |
|
| 64 | - |
|
| 65 | - |
|
| 66 | -https://www.notesandsketches.co.uk/Mechanisms_module.html |
|
| 67 | - |
|
| 68 | -- [[mechanism]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanism-dat/reciprocating-dat/reciprocating-dat.md
| ... | ... | @@ -1,8 +0,0 @@ |
| 1 | - |
|
| 2 | -# reciprocating-dat |
|
| 3 | - |
|
| 4 | -https://www.youtube.com/shorts/1jWBYKbGFV4 |
|
| 5 | - |
|
| 6 | -## ref |
|
| 7 | - |
|
| 8 | -- [[mechanism-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mechanism-dat/trigger-dat/trigger-dat.md
| ... | ... | @@ -1,6 +0,0 @@ |
| 1 | - |
|
| 2 | -# trigger-dat |
|
| 3 | - |
|
| 4 | -## ref |
|
| 5 | - |
|
| 6 | -- [[trigger]] - [[mechanism]] - [[mechanics]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/mechanism-dat/x-y-dat/x-y-dat.md
| ... | ... | @@ -1,36 +0,0 @@ |
| 1 | - |
|
| 2 | -# x-y-dat |
|
| 3 | - |
|
| 4 | -## classic x-y structure |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -## Cantilever |
|
| 12 | - |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | - |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | - |
|
| 33 | - |
|
| 34 | -## ref |
|
| 35 | - |
|
| 36 | -- 十字滑台 / 龙门 / 直线滑台 / 丝杆 |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/mounting-dat/mounting-dat.md
| ... | ... | @@ -1,20 +0,0 @@ |
| 1 | - |
|
| 2 | -# mounting-dat |
|
| 3 | - |
|
| 4 | -- [[glue-dat]] |
|
| 5 | - |
|
| 6 | -- often remove options - [[velcro-dat]] - velcro-strap |
|
| 7 | - |
|
| 8 | -- tube connection - [[zip-tie-dat]] == strap |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -## other Connection |
|
| 12 | - |
|
| 13 | -Coarse Planar |
|
| 14 | - |
|
| 15 | -- [[screw-dat]] |
|
| 16 | - |
|
| 17 | -- Clamp Mount / Jaw Mount |
|
| 18 | - |
|
| 19 | -- Bungee Cord Mount |
|
| 20 | - |
mechanics-dat/physics-dat/Center-of-Gravity-dat/Center-of-Gravity-dat.md
| ... | ... | @@ -1,28 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# Center-of-Gravity-dat |
|
| 4 | - |
|
| 5 | -- [[30-dual-foot]] - [[tube-dat]] |
|
| 6 | - |
|
| 7 | -## Flip-Overs |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -boil down to the relationship between the Center of Gravity (CoG) and the Wheelbase. If your rover is flipping backward while climbing, it means its CoG has moved outside the footprint of its wheels. |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -### 1. Lower the Center of Gravity (CoG) |
|
| 14 | -The higher your components are, the easier it is for the "tipping point" to be reached. |
|
| 15 | -* **The Fix:** Move the heaviest parts—specifically the **batteries** and **motors**—as close to the ground as possible. |
|
| 16 | -* **Pro Tip:** If your chassis has a "basement" level or underslung mount, put the batteries there. |
|
| 17 | - |
|
| 18 | - |
|
| 19 | - |
|
| 20 | -### 2. Forward Weight Bias |
|
| 21 | -On a flat surface, 50/50 weight distribution is fine. On a climb, weight shifts to the rear. |
|
| 22 | -* **The Fix:** Move your battery pack or heavy electronics toward the **front** of the rover. |
|
| 23 | -* **The Goal:** You want the front wheels to have enough downward pressure to stay glued to the slope. If the front lifts even 1cm, the torque from the motors will do the rest of the work to flip it over. |
|
| 24 | - |
|
| 25 | -### 3. Mechanical "Wheelie Bar" |
|
| 26 | -If your rover’s dimensions are fixed and you can't move internal parts, add a physical safety. |
|
| 27 | -* **The Fix:** Extend two rods or a frame out the back of the rover, just a few millimeters above the ground. |
|
| 28 | -* **Why it works:** If the front wheels lift, the "tail" hits the ground immediately, acting as a secondary support point and stopping the rotation before it reaches the "point of no return." |
mechanics-dat/physics-dat/RPM-dat/RPM-dat.md
| ... | ... | @@ -1,4 +0,0 @@ |
| 1 | - |
|
| 2 | -# RPM-dat |
|
| 3 | - |
|
| 4 | - |
mechanics-dat/physics-dat/Resonance-Schumann-dat/Resonance-Schumann-dat.md
| ... | ... | @@ -1,48 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# Resonance-Schumann-dat |
|
| 4 | - |
|
| 5 | -# Schumann Resonance Generator |
|
| 6 | - |
|
| 7 | -A **Schumann Resonance Generator** is an electronic device designed to emit an extremely low frequency (ELF) electromagnetic wave, specifically mimicking the Earth's natural resonance frequency. |
|
| 8 | - |
|
| 9 | ---- |
|
| 10 | - |
|
| 11 | -### 1. What is the Schumann Resonance? |
|
| 12 | -The Schumann Resonance is a set of spectrum peaks in the extremely low frequency portion of the Earth's electromagnetic field. It was mathematically predicted by physicist Winfried Otto Schumann in 1952. |
|
| 13 | - |
|
| 14 | -* **The Mechanism:** The space between the Earth's surface and the conductive ionosphere acts as a closed waveguide. Lightning discharges within this "cavity" excite electromagnetic waves. |
|
| 15 | -* **The Fundamental Frequency:** The primary resonance frequency is **7.83 Hz**. |
|
| 16 | -* **The Nickname:** It is often referred to as the "Heartbeat of the Earth." |
|
| 17 | - |
|
| 18 | ---- |
|
| 19 | - |
|
| 20 | -### 2. How the Generator Works |
|
| 21 | -A Schumann Resonance Generator typically consists of a high-precision frequency oscillator and an induction coil. It does not produce sound; instead, it generates a weak electromagnetic field pulsed at exactly **7.83 Hz**. |
|
| 22 | - |
|
| 23 | -The goal is to provide a "natural" background frequency in modern environments that are otherwise saturated with high-frequency interference (EMI/RFI) from Wi-Fi, cell phones, and household appliances. |
|
| 24 | - |
|
| 25 | ---- |
|
| 26 | - |
|
| 27 | -### 3. Common Uses and Claimed Benefits |
|
| 28 | -While scientific consensus on its direct biological impact is still a subject of debate, these devices are popular in several niche communities: |
|
| 29 | - |
|
| 30 | -* **Audiophiles (HIFI Systems):** Many enthusiasts use them in listening rooms. They claim it "purifies" the environment, leading to better soundstage separation, more transparent highs, and a more "cohesive" musical experience. |
|
| 31 | -* **Sleep and Relaxation:** Since 7.83 Hz is close to the human brain's **$\alpha$ (alpha)** and **$\theta$ (theta)** wave states, it is used to help people relax, reduce stress, and improve sleep quality. |
|
| 32 | -* **Meditation and Focus:** Practitioners use it to create a stable environment for deep contemplation or creative work. |
|
| 33 | -* **Visual Enhancement:** Some users claim it reduces eye strain and makes colors appear more vivid on high-end displays. |
|
| 34 | - |
|
| 35 | ---- |
|
| 36 | - |
|
| 37 | -### 4. Scientific and Rational Perspective |
|
| 38 | -* **Physical Strength:** The electromagnetic field produced by these consumer devices is extremely weak, often much lower than the ambient "noise" from the power grid. |
|
| 39 | -* **Psychological Aspect:** Some critics attribute the perceived benefits to the **placebo effect** or a calming psychological ritual. |
|
| 40 | -* **Regulation:** These are generally considered "lifestyle" or "wellness" gadgets rather than medical devices. |
|
| 41 | - |
|
| 42 | ---- |
|
| 43 | - |
|
| 44 | - |
|
| 45 | - |
|
| 46 | -## ref |
|
| 47 | - |
|
| 48 | -- [[physics-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/physics-dat/Thrust-dat/Thrust-dat.md
| ... | ... | @@ -1,48 +0,0 @@ |
| 1 | - |
|
| 2 | -# Thrust-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -## calculate |
|
| 7 | - |
|
| 8 | -A bit of math: |
|
| 9 | - |
|
| 10 | -Mobula motors + props making around 90-100g of thrust at 50% |
|
| 11 | - |
|
| 12 | -Mobula8 weight around 110g with battery 550 mah An ok-ish ratio of thrust to weight is 4:1 |
|
| 13 | - |
|
| 14 | -Thrust/(camweight+drone weight) |
|
| 15 | - |
|
| 16 | -400 / (16+110)= 3.17... |
|
| 17 | - |
|
| 18 | -Hence to have a proper flight you'll have to be above 50% throttle most of the time. |
|
| 19 | - |
|
| 20 | -It might fly pretty stable with proper PID tuning and filtering but your batteries will burn (maybe even literally) |
|
| 21 | - |
|
| 22 | -https://www.reddit.com/r/TinyWhoop/comments/1cw9xm4/mobula_8thumb_pro_any_tricks_for_decent_cinematic/ |
|
| 23 | - |
|
| 24 | - |
|
| 25 | -## info |
|
| 26 | - |
|
| 27 | -**Thrust** is the **force that moves an aircraft, rocket, or vehicle forward**. |
|
| 28 | -It is usually generated by: |
|
| 29 | - |
|
| 30 | -- **Engines** (jet, turboprop, rocket) |
|
| 31 | -- **Propellers** |
|
| 32 | -- **Ducted fans** |
|
| 33 | - |
|
| 34 | -Thrust **opposes drag** and allows the vehicle to accelerate or maintain speed. |
|
| 35 | - |
|
| 36 | ---- |
|
| 37 | - |
|
| 38 | -## Related Terms |
|
| 39 | - |
|
| 40 | -| Term | English | Notes | |
|
| 41 | -|------|--------|-------| |
|
| 42 | -| 推力方向 | **thrust vector** | Direction of the thrust force | |
|
| 43 | -| 最大推力 | **maximum thrust** | Highest thrust the engine can produce | |
|
| 44 | -| 净推力 | **net thrust** | Total thrust minus drag or losses | |
|
| 45 | -| 推重比 | **thrust-to-weight ratio (T/W)** | Engine thrust compared to aircraft weight | |
|
| 46 | - |
|
| 47 | - |
|
| 48 | - |
mechanics-dat/physics-dat/aerodynamic-dat/aerodynamic-dat.md
| ... | ... | @@ -1,3 +0,0 @@ |
| 1 | - |
|
| 2 | -# aerodynamic-dat |
|
| 3 | - |
mechanics-dat/physics-dat/aerodynamic-dat/wing-dat/2025-12-05-02-16-43.png
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mechanics-dat/physics-dat/aerodynamic-dat/wing-dat/wing-dat.md
| ... | ... | @@ -1,9 +0,0 @@ |
| 1 | - |
|
| 2 | -# wing-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -## ref |
|
| 8 | - |
|
| 9 | -- [[aerodynamic-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/physics-dat/duct-dat/duct-dat.md
| ... | ... | @@ -1,61 +0,0 @@ |
| 1 | - |
|
| 2 | -# duct-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -- [[Thrust-dat]] |
|
| 7 | - |
|
| 8 | -A **duct** is a tube or channel designed to **guide airflow** from one point to another. |
|
| 9 | - |
|
| 10 | -- In aviation or RC models, ducts are often **cylindrical or annular structures** around a fan or propeller. |
|
| 11 | -- The duct **reduces airflow loss**, **improves thrust efficiency**, and can also **protect the blades**. |
|
| 12 | - |
|
| 13 | -**Example uses:** |
|
| 14 | -- Ducted fan engines on jets or VTOL aircraft |
|
| 15 | -- Air conditioning vents (same principle) |
|
| 16 | -- Marine thrusters |
|
| 17 | - |
|
| 18 | ---- |
|
| 19 | - |
|
| 20 | -## 2. What is a Ducted Fan (涵道风扇)? |
|
| 21 | - |
|
| 22 | -A **ducted fan** is a **propeller or fan enclosed in a duct**. |
|
| 23 | -It is a common propulsion method in: |
|
| 24 | - |
|
| 25 | -- RC jets |
|
| 26 | -- VTOL drones |
|
| 27 | -- Small electric aircraft |
|
| 28 | - |
|
| 29 | -### How it works: |
|
| 30 | - |
|
| 31 | -1. Fan or propeller spins inside the duct. |
|
| 32 | -2. The duct **accelerates the airflow** and **reduces tip losses**. |
|
| 33 | -3. The result is **more thrust per rotation** than an open propeller of the same diameter. |
|
| 34 | - |
|
| 35 | ---- |
|
| 36 | - |
|
| 37 | -## 3. Advantages of Ducted Fans |
|
| 38 | - |
|
| 39 | -| Advantage | Explanation | |
|
| 40 | -|-----------|-------------| |
|
| 41 | -| Higher efficiency | Duct reduces tip vortices and wasted airflow | |
|
| 42 | -| Safer | Blades are enclosed, reducing risk of injury | |
|
| 43 | -| Quieter | Noise is reduced compared to open propellers | |
|
| 44 | -| Compact design | Fits better in jets or VTOL aircraft with small airframe | |
|
| 45 | - |
|
| 46 | ---- |
|
| 47 | - |
|
| 48 | -## 4. Common Applications |
|
| 49 | - |
|
| 50 | -- **RC Jet aircraft** (EDF – Electric Ducted Fan) |
|
| 51 | -- **VTOL drones** (quadcopter with ducted fans) |
|
| 52 | -- **Hovercraft propulsion** |
|
| 53 | -- **Experimental aircraft** using ducted lift or thrust |
|
| 54 | - |
|
| 55 | ---- |
|
| 56 | - |
|
| 57 | -### Notes: |
|
| 58 | - |
|
| 59 | -- Ducted fans are different from **propellers** because the **duct improves airflow efficiency** and often increases thrust at high speeds. |
|
| 60 | -- Duct shape, fan diameter, and tip clearance are critical for performance. |
|
| 61 | - |
mechanics-dat/physics-dat/environment-dat/2025-12-11-17-06-33.png
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mechanics-dat/physics-dat/environment-dat/environment-dat.md
| ... | ... | @@ -1,13 +0,0 @@ |
| 1 | - |
|
| 2 | -# environment-dat |
|
| 3 | - |
|
| 4 | -windy == https://www.windy.com/?22.651,114.175,9,m:egUajmq |
|
| 5 | - |
|
| 6 | - |
|
| 7 | -attitude selection |
|
| 8 | - |
|
| 9 | - |
|
| 10 | - |
|
| 11 | - |
|
| 12 | - |
|
| 13 | -- [[rc-apps-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/physics-dat/force-dat/force-dat.md
| ... | ... | @@ -1,58 +0,0 @@ |
| 1 | - |
|
| 2 | -# force-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -| kgf·cm | N·m (approx) | |
|
| 6 | -|---------|--------------| |
|
| 7 | -| 1 | 0.0981 | |
|
| 8 | -| 2 | 0.1962 | |
|
| 9 | -| 3 | 0.2943 | |
|
| 10 | -| 4 | 0.3924 | |
|
| 11 | -| 5 | 0.4905 | |
|
| 12 | -| 6 | 0.5886 | |
|
| 13 | -| 7 | 0.6867 | |
|
| 14 | -| 8 | 0.7848 | |
|
| 15 | -| 9 | 0.8829 | |
|
| 16 | -| 10 | 0.981 | |
|
| 17 | -| 15 | 1.4715 | |
|
| 18 | -| 20 | 1.962 | |
|
| 19 | -| 25 | 2.4525 | |
|
| 20 | -| 30 | 2.943 | |
|
| 21 | -| 50 | 4.905 | |
|
| 22 | -| 100 | 9.81 | |
|
| 23 | - |
|
| 24 | -> Formula: **N·m = kgf·cm × 0.09807** |
|
| 25 | - |
|
| 26 | -## Torque to Lift a 10 kg Bottle by Hand |
|
| 27 | - |
|
| 28 | -### Given: |
|
| 29 | -- Mass of bottle: 10 kg |
|
| 30 | -- Gravity: 9.8 m/s² |
|
| 31 | -- Force needed: F = m × g = 10 × 9.8 = 98 N |
|
| 32 | -- Lever arm (distance from shoulder joint to hand): r = 0.3 m |
|
| 33 | - |
|
| 34 | -### Torque Formula: |
|
| 35 | - |
|
| 36 | - T = F * r |
|
| 37 | - |
|
| 38 | - |
|
| 39 | -### Calculation: |
|
| 40 | - |
|
| 41 | - T = 98 \, N * 0.3 \, m = 29.4 \, N·m |
|
| 42 | - |
|
| 43 | - |
|
| 44 | -### Result: |
|
| 45 | - |
|
| 46 | -- Torque required: **≈ 29.4 N·m** |
|
| 47 | - |
|
| 48 | -### Note: |
|
| 49 | - |
|
| 50 | -For a longer lever arm (e.g., 0.5 m): |
|
| 51 | - |
|
| 52 | - T = 98 * 0.5 = 49 N·m |
|
| 53 | - |
|
| 54 | -- Torque depends on the pivot point; if lifting straight up without rotation, torque is less relevant. |
|
| 55 | - |
|
| 56 | -## ref |
|
| 57 | - |
|
| 58 | -- [[physics-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/physics-dat/inch-dat/inch-dat.md
| ... | ... | @@ -1,6 +0,0 @@ |
| 1 | - |
|
| 2 | -# inch-dat |
|
| 3 | - |
|
| 4 | -8 inch == 8 x 25.4 == 203.2 mm |
|
| 5 | - |
|
| 6 | - |
mechanics-dat/physics-dat/magnetic-dat/magnetic-dat.md
| ... | ... | @@ -1,37 +0,0 @@ |
| 1 | - |
|
| 2 | -# magnetic-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -- [[motor-dat]] - [[metal-dat]] |
|
| 6 | - |
|
| 7 | - |
|
| 8 | -### 1. Primary Ferromagnetic Elements |
|
| 9 | -In their pure form at room temperature, only a few elements are strongly attracted to magnets: |
|
| 10 | -* **Iron (Fe):** The most common magnetic metal found in daily life. |
|
| 11 | -* **Nickel (Ni):** Often used in coins and plating; it is magnetic but weaker than iron. |
|
| 12 | -* **Cobalt (Co):** Highly magnetic and maintains its properties at high temperatures. |
|
| 13 | -* **Gadolinium (Gd):** Becomes strongly ferromagnetic at temperatures below 20°C (68°F). |
|
| 14 | - |
|
| 15 | -### 2. Common Magnetic Alloys |
|
| 16 | -Most magnetic objects we use are mixtures of different elements: |
|
| 17 | -* **Steel:** Since steel is primarily iron, most types (like carbon steel) are magnetic. |
|
| 18 | -* **Stainless Steel (Some):** |
|
| 19 | - * **Ferritic & Martensitic (e.g., 430, 410):** These **are** magnetic. |
|
| 20 | - * **Austenitic (e.g., 304, 316):** These are usually **not** magnetic due to their crystal structure. |
|
| 21 | -* **Neodymium Magnets:** A powerful alloy of Neodymium, Iron, and Boron (NdFeB). |
|
| 22 | - |
|
| 23 | -### 3. Non-Magnetic Metals (Paramagnetic & Diamagnetic) |
|
| 24 | -The following metals are **not** attracted to household magnets: |
|
| 25 | -* **Aluminum** |
|
| 26 | -* **Copper** |
|
| 27 | -* **Gold** |
|
| 28 | -* **Silver** |
|
| 29 | -* **Lead** |
|
| 30 | -* **Titanium** |
|
| 31 | -* **Brass & Bronze** (unless they contain significant iron impurities) |
|
| 32 | -* |
|
| 33 | - |
|
| 34 | - |
|
| 35 | - |
|
| 36 | -## ref |
|
| 37 | - |
mechanics-dat/physics-dat/optical-dat/optical-dat.md
| ... | ... | @@ -1,11 +0,0 @@ |
| 1 | - |
|
| 2 | -# optical-dat |
|
| 3 | - |
|
| 4 | -- [[optical-design-dat]] |
|
| 5 | - |
|
| 6 | -- [[infrared-dat]] |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## ref |
|
| 10 | - |
|
| 11 | -- [[physics-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/physics-dat/optical-dat/optical-design-dat/optical-design-dat.md
| ... | ... | @@ -1,68 +0,0 @@ |
| 1 | - |
|
| 2 | -# optical-design-dat |
|
| 3 | - |
|
| 4 | -- [[microscope-dat]] - [[Periscope-dat]] |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## filling materials |
|
| 10 | - |
|
| 11 | -### Refractive Index Comparison: Air vs. Optical Materials |
|
| 12 | - |
|
| 13 | -Yes, a refractive index of **1.5** is significantly higher than air: |
|
| 14 | - |
|
| 15 | -- **Air**: n ≈ 1.0003 (~1.0 for practical purposes) |
|
| 16 | -- **PMMA (Acrylic)**: n ≈ 1.49 |
|
| 17 | -- **Polycarbonate (PC)**: n ≈ 1.58 |
|
| 18 | -- **Glass (BK7)**: n ≈ 1.51 |
|
| 19 | - |
|
| 20 | - |
|
| 21 | -### 1. Typical Values |
|
| 22 | - |
|
| 23 | -| Type / Grade | Refractive Index (n) | Notes | |
|
| 24 | -|-------------|--------------------|------| |
|
| 25 | -| Light mineral oil (cosmetic grade) | 1.467–1.470 | Common in electronics and lubrication | |
|
| 26 | -| Standard mineral oil (industrial) | 1.468–1.474 | Used in transformers, immersion cooling | |
|
| 27 | -| Heavy mineral oil | 1.474–1.480 | Higher density, more viscous | |
|
| 28 | -| Food-grade mineral oil | 1.467–1.470 | Safe for contact with materials like plastics | |
|
| 29 | - |
|
| 30 | - |
|
| 31 | - |
|
| 32 | -### 1. Typical Refractive Indices of Common Liquids |
|
| 33 | - |
|
| 34 | -| Fluid | Refractive Index (n) | Notes | |
|
| 35 | -|-------|--------------------|------| |
|
| 36 | -| Water | 1.333 | Standard, much higher than air | |
|
| 37 | -| Mineral oil | 1.467–1.480 | Common dielectric oil | |
|
| 38 | -| Ethanol | 1.361 | Transparent alcohol | |
|
| 39 | -| Glycerin | 1.473 | Thick, high n | |
|
| 40 | -| Fluorinated liquids (like FC-72, perfluorocarbons) | 1.25–1.28 | Lowest practical liquids, still far from air | |
|
| 41 | -| Liquid helium (near 4K) | 1.026 | Lowest natural fluid n, cryogenic | |
|
| 42 | -| Liquid hydrogen | 1.121 | Low n, cryogenic, dangerous | |
|
| 43 | - |
|
| 44 | ---- |
|
| 45 | - |
|
| 46 | -### 2. Notes |
|
| 47 | - |
|
| 48 | -- **Most fluids have n > 1.2**, which is **20% or more higher than air**. |
|
| 49 | - |
|
| 50 | - |
|
| 51 | -## Compensating Optical Changes by Adjusting Lens Position |
|
| 52 | - |
|
| 53 | -Yes, you **can compensate for the optical changes** caused by filling a lens assembly with oil or another medium by **adjusting the lens position relative to the sensor**. |
|
| 54 | - |
|
| 55 | ---- |
|
| 56 | - |
|
| 57 | -### 1. Why It Works |
|
| 58 | - |
|
| 59 | -- Replacing air (n ≈ 1.0) with oil or solid (n ≈ 1.45–1.5) **increases the optical path length** between lens elements. |
|
| 60 | -- This shifts the **focus plane** forward or backward. |
|
| 61 | -- Moving the lens closer or farther from the sensor can **restore focus** on the image plane. |
|
| 62 | - |
|
| 63 | - |
|
| 64 | - |
|
| 65 | - |
|
| 66 | -## ref |
|
| 67 | - |
|
| 68 | -- [[physics-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/physics-dat/physics-dat.md
| ... | ... | @@ -1,20 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# physics-dat |
|
| 4 | - |
|
| 5 | -- [[force-dat]] - [[size-dat]] |
|
| 6 | - |
|
| 7 | -- [[duct-dat]] - [[thrust-dat]] |
|
| 8 | - |
|
| 9 | -- [[wing-dat]] - [[aerodynamic-dat]] |
|
| 10 | - |
|
| 11 | -- [[optical-design-dat]] |
|
| 12 | - |
|
| 13 | -- [[torque-dat]] - [[RPM-dat]] |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -## research |
|
| 19 | - |
|
| 20 | -- [[Resonance-Schumann-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/physics-dat/pressure-dat/pressure-dat.md
| ... | ... | @@ -1,97 +0,0 @@ |
| 1 | - |
|
| 2 | - |
|
| 3 | -# pressure-dat |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -- [[pressure-design-dat]] |
|
| 7 | - |
|
| 8 | -- [[waterproof-dat]] |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -- [[PMMA-dat]] - [[oil-soaking-dat]] |
|
| 12 | - |
|
| 13 | -- [[Elastic-chamber-dat]] |
|
| 14 | - |
|
| 15 | -## ✔ What Are PN16 and PN10? |
|
| 16 | - |
|
| 17 | -PN = Pressure Nominal |
|
| 18 | - |
|
| 19 | -It indicates the maximum working pressure a pipe or fitting can handle at 20°C. |
|
| 20 | - |
|
| 21 | -PN10 → Rated for 10 bar pressure (≈ 1.0 MPa) |
|
| 22 | - |
|
| 23 | -PN16 → Rated for 16 bar pressure (≈ 1.6 MPa) |
|
| 24 | - |
|
| 25 | -1 bar ≈ atmospheric pressure at sea level. |
|
| 26 | - |
|
| 27 | -### ✔ Meaning in Practical Use |
|
| 28 | - |
|
| 29 | -Rating Max Pressure Typical Use |
|
| 30 | -PN10 10 bar Low–medium pressure water, irrigation, drainage |
|
| 31 | -PN16 16 bar Higher pressure water systems, pumps, industrial use |
|
| 32 | - |
|
| 33 | -### ✔ PN Rating Applies To: |
|
| 34 | - |
|
| 35 | -- PVC pipes |
|
| 36 | -- PPR pipes |
|
| 37 | -- HDPE pipes |
|
| 38 | -- Metal fittings |
|
| 39 | -- Valves and connectors |
|
| 40 | - |
|
| 41 | - |
|
| 42 | -## math |
|
| 43 | - |
|
| 44 | -### 1. Pressure at 10 m depth (clear numbers) |
|
| 45 | - |
|
| 46 | -Water density: 1000 kg/m³ |
|
| 47 | -Gravity: 9.81 m/s² |
|
| 48 | -Depth: 10 m |
|
| 49 | - |
|
| 50 | -**Gauge pressure** |
|
| 51 | -p = ρ × g × h |
|
| 52 | -p = 1000 × 9.81 × 10 |
|
| 53 | -p = **98,100 Pa** (≈ 0.981 bar) |
|
| 54 | - |
|
| 55 | -**Absolute pressure** |
|
| 56 | -p_abs = 98,100 + 101,325 = **199,425 Pa** |
|
| 57 | -≈ **2.0 bar absolute** (≈ 2 atmospheres) |
|
| 58 | - |
|
| 59 | ---- |
|
| 60 | - |
|
| 61 | -### 2. Force example on a small area |
|
| 62 | -Area: 10 cm × 10 cm = 0.01 m² |
|
| 63 | -Force = pressure × area |
|
| 64 | -= 98,100 Pa × 0.01 m² |
|
| 65 | -= **981 N** ≈ **100 kgf** |
|
| 66 | - |
|
| 67 | -So every 10×10 cm patch is like having **100 kg of weight** pushing inward on it. |
|
| 68 | - |
|
| 69 | - |
|
| 70 | -## info |
|
| 71 | - |
|
| 72 | -❌ 浮法（退火）玻璃是脆性材料 |
|
| 73 | - |
|
| 74 | -任何小划痕、边缘瑕疵、粘接处，都会极大降低强度。 |
|
| 75 | - |
|
| 76 | -❌ 平板承压最危险 |
|
| 77 | - |
|
| 78 | -平板比圆柱、半球弱得多，水压会让平板中间产生最大弯曲，应力非常集中。 |
|
| 79 | - |
|
| 80 | -❌ 5 mm 玻璃太薄 |
|
| 81 | - |
|
| 82 | -商用能下水的玻璃或亚克力窗厚度通常要 10–25 mm（视尺寸而定），而且多数采用圆弧结构。 |
|
| 83 | - |
|
| 84 | -❌ DIY 结构没有安全裕度 |
|
| 85 | - |
|
| 86 | -工程上至少需要 3 倍安全系数，DIY 的平板盒子基本没有。 |
|
| 87 | - |
|
| 88 | -工程界和水下设备圈普遍共识： |
|
| 89 | - |
|
| 90 | -5 mm 浮法玻璃做平板窗，只要面积超过手机屏幕大小，3–5 米深度就已经存在高风险破裂。 |
|
| 91 | - |
|
| 92 | -你这块面板比手机屏幕大了很多倍。 |
|
| 93 | - |
|
| 94 | - |
|
| 95 | -## ref |
|
| 96 | - |
|
| 97 | -- [[environment-dat]] |
|
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mechanics-dat/physics-dat/pressure-dat/pressure-design-dat/Elastic-chamber-dat]/Elastic-chamber-dat.md
| ... | ... | @@ -1,17 +0,0 @@ |
| 1 | - |
|
| 2 | -# Elastic-chamber-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -八、针对你之前“油浸/压力补偿”的上下文（重要） |
|
| 6 | - |
|
| 7 | -最优方案建议 |
|
| 8 | -如果是无人潜器 / 长时间： |
|
| 9 | - |
|
| 10 | -主体：油浸 |
|
| 11 | - |
|
| 12 | -浮力调节： |
|
| 13 | -👉 油囊 + 微型油泵 |
|
| 14 | -（不是气！） |
|
| 15 | - |
|
| 16 | -这是为什么专业 ROV 不用气泵调浮力。 |
|
| 17 | - |
mechanics-dat/physics-dat/pressure-dat/pressure-design-dat/pressure-design-dat.md
| ... | ... | @@ -1,199 +0,0 @@ |
| 1 | -# pressure-design-dat |
|
| 2 | - |
|
| 3 | -- [[submarine-dat]] |
|
| 4 | - |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -## Normal direction and force distribution |
|
| 10 | - |
|
| 11 | -This is a fluid‑statics + structural mechanics question. Conclusion first, details after. |
|
| 12 | - |
|
| 13 | -1) Hydrostatic pressure itself: no difference |
|
| 14 | - |
|
| 15 | -For a flat surface and for a curved surface (at the same depth h): |
|
| 16 | - |
|
| 17 | -p = ρ g h |
|
| 18 | - |
|
| 19 | -Pressure depends only on depth, not on shape. The pressure magnitude per unit area is identical for a given depth. |
|
| 20 | - |
|
| 21 | -The difference is not in the pressure magnitude, but in the local normal directions and how the pressure vectors combine. |
|
| 22 | - |
|
| 23 | -2) Difference in normal directions (the key point) |
|
| 24 | - |
|
| 25 | -- Flat surface |
|
| 26 | - - The entire face has a single fixed normal direction. |
|
| 27 | - - All pressure vectors point the same way. |
|
| 28 | - - Resultant force = pressure × area (single direction). |
|
| 29 | - - Example: observation windows, flat end caps. |
|
| 30 | - |
|
| 31 | -- Curved surface (cylinder) |
|
| 32 | - - Each small surface element has its own normal direction. |
|
| 33 | - - Local pressure always acts along the local surface normal (radial inward for a cylinder). |
|
| 34 | - - Example: pressure hulls, submarine shells. |
|
| 35 | - |
|
| 36 | -3) Resultant force and stress consequences |
|
| 37 | - |
|
| 38 | -- Cylinder sidewall |
|
| 39 | - - Radial pressure components around the circumference largely cancel each other. |
|
| 40 | - - Net lateral resultant ≈ 0. |
|
| 41 | - - Principal stresses produced are hoop (circumferential) stress and axial stress (if end caps are present). |
|
| 42 | - - Therefore cylinders are very resistant to external hydrostatic pressure. |
|
| 43 | - |
|
| 44 | -- Flat plate |
|
| 45 | - - All pressure vectors add in the same direction. |
|
| 46 | - - The resultant force accumulates and causes bending, bulging, or fracture. |
|
| 47 | - - Flat faces are typically the weakest parts of pressure designs. |
|
| 48 | - |
|
| 49 | -4) Intuitive picture |
|
| 50 | - |
|
| 51 | -- A flat plate feels like it is being "pushed" inward by a block of water. |
|
| 52 | -- A cylinder feels like it is being "squeezed" evenly from all sides; the water "hugs" it rather than pushes it off. |
|
| 53 | - |
|
| 54 | - |
|
| 55 | -## shape design summary |
|
| 56 | - |
|
| 57 | -Conclusion (same internal volume): |
|
| 58 | - |
|
| 59 | -| Shape | Surface area | Stress concentration | Pressure efficiency | |
|
| 60 | -|---|---:|---:|---:| |
|
| 61 | -| Flat box | Largest | Very high | ❌ Worst | |
|
| 62 | -| Cylinder | Medium | Low | ✅ Good | |
|
| 63 | -| Sphere | Smallest | Almost none | ✅✅ Best | |
|
| 64 | - |
|
| 65 | -For the same internal volume, the rounder the shape, the more depth a given amount of material can resist. |
|
| 66 | - |
|
| 67 | - |
|
| 68 | - |
|
| 69 | -## Acrylic (PMMA) hemispherical container for 100 m depth |
|
| 70 | - |
|
| 71 | -Summary and key engineering recommendation |
|
| 72 | - |
|
| 73 | -- Design safety factor: multiply theoretical thickness by 4–6. |
|
| 74 | - - Example: 2.2 × 5 ≈ 11 mm |
|
| 75 | -- Conclusion (ready-to-use): For a 130 mm diameter hemispherical acrylic (PMMA) viewport at 100 m depth: |
|
| 76 | - - Recommended thickness: 10–12 mm |
|
| 77 | - - Absolute minimum (not recommended): 8 mm |
|
| 78 | - |
|
| 79 | -Flat window comparison |
|
| 80 | - |
|
| 81 | -- Under the same conditions, a flat acrylic window would require 25–30 mm thickness or more and still carries a risk of sudden brittle fracture. |
|
| 82 | -- A **hemispherical** window is approximately 3–5× stronger than a **flat** window. |
|
| 83 | - |
|
| 84 | -Practical construction advice (important) |
|
| 85 | - |
|
| 86 | -- Use a single-piece thermoformed hemisphere (do not bond halves together). |
|
| 87 | -- Do not glue the hemisphere in place. |
|
| 88 | -- Use an O-ring with a floating clamping arrangement; avoid rigid clamping. |
|
| 89 | -- Make the inner diameter slightly larger than the outer diameter seating to prevent the window being "pulled out" by differential pressure. |
|
| 90 | - |
|
| 91 | -One-line summary |
|
| 92 | - |
|
| 93 | -For a 130 mm diameter hemispherical acrylic viewport operating at 100 m depth, 10–12 mm thickness is a reliable, engineering-grade, safe choice. |
|
| 94 | - |
|
| 95 | - |
|
| 96 | -## Metal cylinder with transparent end windows (100 m target) |
|
| 97 | - |
|
| 98 | -Context: If the pressure vessel is a metal cylinder and the two ends are transparent acrylic observation windows, at 100 m depth (≈10 bar / 1.0 MPa external pressure) the failure mode shifts from cylinder buckling to transparent end-window deflection and seal failure. Below are practical, engineering-focused parameter recommendations that include an overall safety factor of ≈2. |
|
| 99 | - |
|
| 100 | -Overall conclusions |
|
| 101 | - |
|
| 102 | -- A metal cylinder easily reaches 100 m and even 300 m. |
|
| 103 | -- The real limiting factor is the transparent acrylic end windows. |
|
| 104 | -- To reliably reach 100 m, the windows must be: thick, spherical or domed, and sealed with a face (axial) O-ring. |
|
| 105 | - |
|
| 106 | -Recommended standard design (most robust — strongly recommended) |
|
| 107 | - |
|
| 108 | -This is a common, engineering-grade approach for 100 m observation housings. It is simple and has a high success rate. |
|
| 109 | - |
|
| 110 | -Cylinder (main pressure hull) |
|
| 111 | - |
|
| 112 | -- Material: 6061-T6 aluminum or 304 stainless steel |
|
| 113 | -- Outer diameter: 200 mm |
|
| 114 | -- Wall thickness: |
|
| 115 | - - Aluminum: 4–5 mm |
|
| 116 | - - Stainless steel: 3 mm |
|
| 117 | -- Length: 600 mm |
|
| 118 | -- Construction: minimal welds or full welds with annealing |
|
| 119 | - |
|
| 120 | --> For 100 m this provides a large strength margin. |
|
| 121 | - |
|
| 122 | -Transparent end windows (critical) |
|
| 123 | - |
|
| 124 | -- Material: cast acrylic (PMMA) |
|
| 125 | -- Shape: outward convex hemisphere / spherical cap (not flat) |
|
| 126 | -- Diameter: ≈180–190 mm (embedded) |
|
| 127 | -- Minimum thickness: 20 mm |
|
| 128 | -- Effective radius of curvature: ≥ 90 mm |
|
| 129 | -- Loading behavior: external pressure clamps the dome and improves sealing as depth increases. |
|
| 130 | - |
|
| 131 | -Sealing |
|
| 132 | - |
|
| 133 | -- O-ring material: NBR or FKM |
|
| 134 | -- Hardness: 70–75A |
|
| 135 | -- Compression: 20–25% |
|
| 136 | -- Sealing style: axial face seal (recommended); radial seals are not recommended |
|
| 137 | -- Window mating surfaces: chamfered and polished (Ra ≤ 0.8) |
|
| 138 | - |
|
| 139 | -Engineering assessment |
|
| 140 | - |
|
| 141 | -- Theoretical window pressure capacity: ≈200 m |
|
| 142 | -- Recommended operational depth (with safety margin): 100–120 m for long-term service |
|
| 143 | - |
|
| 144 | - |
|
| 145 | -### Secondary (lower-risk) option (higher risk, but lighter) |
|
| 146 | - |
|
| 147 | -- Window material: acrylic |
|
| 148 | -- Shape: shallow dome |
|
| 149 | -- Thickness: 15–18 mm |
|
| 150 | -- Constraints: |
|
| 151 | - - Window diameter ≤ 160 mm |
|
| 152 | - - Use dual O-rings |
|
| 153 | - - Use a metal clamp ring to load the window evenly |
|
| 154 | - |
|
| 155 | -This may reach 100 m for short-term use but is not recommended for repeated long-term operation. |
|
| 156 | - |
|
| 157 | - |
|
| 158 | -### Absolutely unacceptable end-window options (will fail at 100 m) |
|
| 159 | - |
|
| 160 | -- Flat acrylic windows (no matter the thickness) |
|
| 161 | -- Transparent windows ≤ 12 mm thick |
|
| 162 | -- Large-diameter (≥ 180 mm) flat windows |
|
| 163 | -- Gluing the window directly (no mechanical seal) |
|
| 164 | -- Unsupported "clamped glass" without metal backing |
|
| 165 | - |
|
| 166 | - |
|
| 167 | -### Quick risk summary (100 m class) |
|
| 168 | - |
|
| 169 | -- Cylinder structural strength: ★★★★★ (very safe) |
|
| 170 | -- Transparent window risk: ★★★★★ (the single critical item) |
|
| 171 | -- Seal failure risk: ★★★☆☆ (controllable) |
|
| 172 | -- Manufacturing tolerance importance: ★★★★★ |
|
| 173 | - |
|
| 174 | -One-sentence version |
|
| 175 | - |
|
| 176 | -> Metal cylinder + thick domed acrylic observation windows = standard engineering approach for 100 m. |
|
| 177 | -> |
|
| 178 | -> Recommended parameters: metal cylinder 4–5 mm wall + 20 mm domed acrylic end window + O-ring face seal. |
|
| 179 | - |
|
| 180 | - |
|
| 181 | -## General pressure design notes |
|
| 182 | - |
|
| 183 | - |
|
| 184 | - |
|
| 185 | - |
|
| 186 | -## Using tubing for deep water |
|
| 187 | - |
|
| 188 | -If you need to reach 100 m underwater, follow these recommendations: |
|
| 189 | - |
|
| 190 | -1. Industrial thick-wall PVC (PN16 or higher) can be used, but plastics are still not recommended for deep external pressure environments. |
|
| 191 | -2. Use a flange connection with an O-ring seal — this is far superior to bonded joints. |
|
| 192 | -3. Using a metal pipe (e.g., 316L stainless steel) is more reliable. |
|
| 193 | - |
|
| 194 | -Most important note: Never rely on plastic adhesives for deep-water pressure seals. Always use mechanical sealing (flanges + O-rings), metal housings, or purpose-built deep-water equipment. |
|
| 195 | - |
|
| 196 | - |
|
| 197 | -## References |
|
| 198 | - |
|
| 199 | -- [[waterproof-dat]] |
|
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| 1 | - |
|
| 2 | -# size-dat.md |
|
| 3 | - |
|
| 4 | -100 x 100 mm |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -## ref |
|
| 11 | - |
|
| 12 | -- [[physics-dat]] |
|
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| 1 | - |
|
| 2 | -# torque-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | -## 0.35Nm vs 1200-1800 g·cm |
|
| 6 | - |
|
| 7 | -$1200\text{--}1800$ $g\cdot cm$ becomes $1.2\text{--}1.8$ $kg\cdot cm$. |
|
| 8 | - |
|
| 9 | -1200–1800 g⋅cm becomes 1.2–1.8 kg⋅cm. |
|
| 10 | - |
|
| 11 | - |
|
| 12 | -- $1.2$ $kg\cdot cm \times 0.09807 \approx \mathbf{0.118}$ $N\cdot m$ |
|
| 13 | -- $1.8$ $kg\cdot cm \times 0.09807 \approx \mathbf{0.176}$ $N\cdot m$ |
|
| 14 | - |
|
| 15 | -## N·m and kg·cm |
|
| 16 | - |
|
| 17 | -note the rated torque of a motor is the maximum torque that the motor can deliver at its rated speed. |
|
| 18 | - |
|
| 19 | -and stall torque is the maximum torque that the motor can deliver at zero speed. |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | -N·m and kg·cm (kgf·cm) are both used to express torque, but they come from different unit systems. |
|
| 24 | - |
|
| 25 | -What they mean |
|
| 26 | - |
|
| 27 | -N·m (Newton·meter) |
|
| 28 | - |
|
| 29 | -SI (metric) standard unit |
|
| 30 | - |
|
| 31 | -Based on force in newtons |
|
| 32 | - |
|
| 33 | -kg·cm (kgf·cm) |
|
| 34 | - |
|
| 35 | -Engineering / motor specs unit |
|
| 36 | - |
|
| 37 | -Based on kilogram-force, not mass |
|
| 38 | - |
|
| 39 | -1 kgf = force exerted by 1 kg under Earth gravity |
|
| 40 | - |
|
| 41 | - |
|
| 42 | -Which one to use? |
|
| 43 | - |
|
| 44 | -Engineering / physics / calculations → N·m |
|
| 45 | - |
|
| 46 | -RC motors, servos, hobby electronics → kg·cm |
|
| 47 | - |
|
| 48 | - |
|
| 49 | - Torque (N·m) Torque (kg·cm) |
|
| 50 | - -------------------------------- |
|
| 51 | - 0.1 ≈ 1.02 |
|
| 52 | - 0.5 ≈ 5.10 |
|
| 53 | - 1.0 ≈ 10.20 |
|
| 54 | - 2.0 ≈ 20.39 |
|
| 55 | - 5.0 ≈ 50.99 |
|
| 56 | - 10.0 ≈ 101.97 |
|
| 57 | - |
|
| 58 | - |
|
| 59 | - |
|
| 60 | - |
|
| 61 | -## what is torque |
|
| 62 | - |
|
| 63 | - |
|
| 64 | - |
|
| 65 | - |
|
| 66 | - |
|
| 67 | - |
|
| 68 | -# Torque Comparison: 45T Brushed Motor vs MG540 Brushed Motor |
|
| 69 | - |
|
| 70 | -| Spec | 45T Brushed Motor | MG540 Brushed Gear Motor | |
|
| 71 | -| --------------- | ----------------------- | --------------------------- | |
|
| 72 | -| Motor Size | 540-class ?? | 540-class ?? | |
|
| 73 | -| Turns | 45T | Unknown (not T-rated) | |
|
| 74 | -| Torque | ~400 g·cm | 2.6 kgf·cm | |
|
| 75 | -| Torque (kgf·cm) | ~0.4 kgf·cm | 2.6 kgf·cm | |
|
| 76 | -| Torque (N·m) | ~0.0392 N·m | ~0.255 N·m | |
|
| 77 | -| Speed (RPM) | ~9,000–11,000 RPM | Likely lower | |
|
| 78 | -| Use Case | RC crawler, trail drive | High-torque RC drive | |
|
| 79 | -| Notes | High control, low speed | High torque, moderate speed | |
|
| 80 | - |
|
| 81 | -## Torque |
|
| 82 | - |
|
| 83 | -Meaning: |
|
| 84 | - |
|
| 85 | -Torque = Force × Distance from the axis of rotation |
|
| 86 | - |
|
| 87 | -10 N·m means a force of 10 Newtons is applied 1 meter away from the pivot point (or 5 N applied 2 meters away, etc.). |
|
| 88 | - |
|
| 89 | - |
|
| 90 | -## Newtons |
|
| 91 | - |
|
| 92 | -🧱 Real-World Examples of 10 N: |
|
| 93 | - |
|
| 94 | -Lifting about 1 kg vertically against Earth's gravity. |
|
| 95 | - |
|
| 96 | -Gravity exerts about 9.8 N of force on a 1 kg object. |
|
| 97 | - |
|
| 98 | -So if you lift a 1-liter bottle of water (which weighs about 1 kg), you're applying roughly 10 N of force. |
|
| 99 | - |
|
| 100 | - |
|
| 101 | - |
|
| 102 | -## 🔄 What is 100 kgf·cm? |
|
| 103 | - |
|
| 104 | -kgf = kilogram-force |
|
| 105 | - |
|
| 106 | -This is the force exerted by 1 kg of mass due to gravity (≈ 9.80665 newtons). |
|
| 107 | - |
|
| 108 | -cm = centimeters, the distance from the axis of rotation. |
|
| 109 | - |
|
| 110 | -So 100 kgf·cm means: |
|
| 111 | - |
|
| 112 | -The torque generated by **a 100 kgf force acting 1 cm away from the axis**, or a 1 kgf force acting 100 cm away, and so on. |
|
| 113 | - |
|
| 114 | -## compare 100 kgf·cm and 10 N·m |
|
| 115 | - |
|
| 116 | -#### 🔁 Conversion |
|
| 117 | -- 100 centimeters (cm) is equal to 1 meter (m). |
|
| 118 | -- 1 kgf·cm = 0.0980665 N·m |
|
| 119 | -- 100 kgf·cm = 100 × 0.0980665 = **9.80665 N·m** |
|
| 120 | - |
|
| 121 | -#### ✅ Comparison Table |
|
| 122 | - |
|
| 123 | -| Unit | Value in N·m | |
|
| 124 | -|--------------|---------------------| |
|
| 125 | -| 100 kgf·cm | ≈ 9.81 N·m | |
|
| 126 | -| 10 N·m | 10.00 N·m | |
|
| 127 | - |
|
| 128 | -#### 📌 Conclusion |
|
| 129 | -- **100 kgf·cm ≈ 9.81 N·m**, slightly less than **10 N·m** |
|
| 130 | -- Difference: **~0.19%** |
|
| 131 | -- For practical purposes: **Nearly equal** |
|
| 132 | - |
|
| 133 | - |
|
| 134 | -## ref |
|
| 135 | - |
|
| 136 | -- [[motor-dat]] |
|
| ... | ... | \ No newline at end of file |
mechanics-dat/safety-dat/safety-dat.md
| ... | ... | @@ -1,18 +0,0 @@ |
| 1 | - |
|
| 2 | -# safety-dat |
|
| 3 | - |
|
| 4 | -1. Wear Proper Gloves |
|
| 5 | - |
|
| 6 | -Use mechanic or heavy-duty work gloves with good grip. |
|
| 7 | - |
|
| 8 | -Avoid very loose gloves that can get caught in the rope or hardware. |
|
| 9 | - |
|
| 10 | - |
|
| 11 | -## ref |
|
| 12 | - |
|
| 13 | -- [[steel-wiring-rope-fitting-dat]] |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | - |
mechanics-dat/vacuum-pump-dat/2025-04-02-16-38-14.png
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mechanics-dat/vacuum-pump-dat/vacuum-pump-dat.md
| ... | ... | @@ -1,30 +0,0 @@ |
| 1 | - |
|
| 2 | -# vacuum-pump-dat |
|
| 3 | - |
|
| 4 | - |
|
| 5 | - |
|
| 6 | -DC 24V |
|
| 7 | - |
|
| 8 | - |
|
| 9 | -| Feature | 12V Air Pump | 24V Air Pump | |
|
| 10 | -| ----------------- | ------------ | ------------ | |
|
| 11 | -| No-load Current | 0.65A | 0.38A | |
|
| 12 | -| Full-load Current | 1.5A | 0.85A | |
|
| 13 | -| Negative Pressure | ≥ -58KPA | ≥ -58KPA | |
|
| 14 | -| Positive Pressure | ≥ 100KPA | ≥ 100KPA | |
|
| 15 | -| Air Flow | ≥ 15L/min | ≥ 15L/min | |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -## dimension |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | -## installation to machine |
|
| 23 | - |
|
| 24 | - |
|
| 25 | - |
|
| 26 | - |
|
| 27 | - |
|
| 28 | -## ref |
|
| 29 | - |
|
| 30 | -- [[vacuum-pump]] |
|
| ... | ... | \ No newline at end of file |
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mechanics-dat/velcro-dat/velcro-dat.md
| ... | ... | @@ -1,106 +0,0 @@ |
| 1 | - |
|
| 2 | -# velcro-dat |
|
| 3 | - |
|
| 4 | -- quickly snap or remove |
|
| 5 | - |
|
| 6 | - |
|
| 7 | - |
|
| 8 | - |
|
| 9 | - |
|
| 10 | -## build |
|
| 11 | - |
|
| 12 | -fix a [[rc-boat]] which does not have the top lad with [[velcro-dat]] |
|
| 13 | - |
|
| 14 | - |
|
| 15 | - |
|
| 16 | - |
|
| 17 | - |
|
| 18 | -## two sides structure |
|
| 19 | - |
|
| 20 | - |
|
| 21 | - |
|
| 22 | - |
|
| 23 | -## specs |
|
| 24 | - |
|
| 25 | -### white |
|
| 26 | - |
|
| 27 | -白色3cm宽 3米毛 |
|
| 28 | - |
|
| 29 | -白色3cm宽 3米勾 |
|
| 30 | - |
|
| 31 | -白色1.6cm宽 3米毛+3米勾 |
|
| 32 | - |
|
| 33 | -白色2cm宽 3米毛+3米勾 |
|
| 34 | - |
|
| 35 | -白色2.5cm宽 3米毛+3米勾 |
|
| 36 | - |
|
| 37 | -白色3cm宽 3米毛+3米勾 |
|
| 38 | - |
|
| 39 | -白色3.8cm宽 3米毛+3米勾 |
|
| 40 | - |
|
| 41 | -【白色5cm宽】3米毛+3米勾 |
|
| 42 | - |
|
| 43 | -【白色11cm宽】3米毛+3米勾 |
|
| 44 | - |
|
| 45 | -白色2cm宽*15cm长【10片毛+10片勾】 |
|
| 46 | - |
|
| 47 | -白色2.5cm宽*15cm长【10片毛+10片勾】 |
|
| 48 | - |
|
| 49 | -白色3cm宽*15cm长【10片毛+10片勾】 |
|
| 50 | - |
|
| 51 | -白色3.8cm宽*15cm长【10片毛+10片勾】 |
|
| 52 | - |
|
| 53 | -白色5cm宽*15cm长【10片毛+10片勾】 |
|
| 54 | - |
|
| 55 | -白色11cm宽*15cm长【5片毛+5片勾】 |
|
| 56 | - |
|
| 57 | -白色11cm宽*15厘米长【10片毛+10片勾】 |
|
| 58 | - |
|
| 59 | - |
|
| 60 | - |
|
| 61 | -## black |
|
| 62 | - |
|
| 63 | -黑色3cm宽 3米勾 |
|
| 64 | - |
|
| 65 | -黑色3cm宽 3米毛 |
|
| 66 | - |
|
| 67 | -黑色2cm宽*15cm长 5片毛+5片勾 |
|
| 68 | - |
|
| 69 | -黑色2cm宽 3米毛+3米勾 |
|
| 70 | - |
|
| 71 | -黑色2.5cm宽 3米毛+3米勾 |
|
| 72 | - |
|
| 73 | -黑色3cm宽 3米毛+3米勾 |
|
| 74 | - |
|
| 75 | -黑色3.8cm宽 3米毛+3米勾 |
|
| 76 | - |
|
| 77 | -黑色5cm宽 3米毛+3米勾 |
|
| 78 | - |
|
| 79 | -黑色11cm宽 3米毛+3米勾 |
|
| 80 | - |
|
| 81 | -【黑色1.6cm宽】3米毛+3米勾 |
|
| 82 | - |
|
| 83 | -黑色11cm宽*15cm长【5片毛+5片勾】 |
|
| 84 | - |
|
| 85 | -黑色11cm宽*15cm长【10片毛+10片勾】 |
|
| 86 | - |
|
| 87 | -黑色2cm宽*15cm长【10片毛+10片勾】 |
|
| 88 | - |
|
| 89 | -黑色2.5cm宽*15cm长【10片毛+10片勾】 |
|
| 90 | - |
|
| 91 | -黑色3cm宽*15cm长【10片毛+10片勾】 |
|
| 92 | - |
|
| 93 | -黑色3.8cm宽*15cm长【10片毛+10片勾】 |
|
| 94 | - |
|
| 95 | -黑色5cm宽*15cm长【10片毛+10片勾】 |
|
| 96 | - |
|
| 97 | - |
|
| 98 | -## pre-cut |
|
| 99 | - |
|
| 100 | -1.6cm*15cm【10片毛+10片勾】 |
|
| 101 | - |
|
| 102 | - |
|
| 103 | - |
|
| 104 | -## ref |
|
| 105 | - |
|
| 106 | -- [[velcro]] |
|
| ... | ... | \ No newline at end of file |