app-dat/PNP-openpnp-dat/PixiePlacer-dat/PixiePlacer-Y-dat/PixiePlacer-Y-dat.md
... ...
@@ -2,7 +2,7 @@
2 2
# PixiePlacer-Y-dat.md
3 3
4 4
5
-- [[motion-system-dat]] - [[Alu-Extrusion-dat]]
5
+- [[mechanical-structure-dat/motion-system-dat/motion-system-dat]] - [[Alu-Extrusion-dat]]
6 6
7 7
## 3D View
8 8
mechanics-dat/alu-extrusion-dat/2025-02-19-14-33-26.png
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mechanics-dat/alu-extrusion-dat/2025-02-26-19-36-59.png
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mechanics-dat/alu-extrusion-dat/2025-02-26-19-37-15.png
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mechanics-dat/alu-extrusion-dat/ALU-extrusion-1515-sys-dat/ALU-extrusion-1515-sys-dat.md
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@@ -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
-![](2025-02-19-14-30-08.png)
17
-
18
-
19
-profile center hole 3.3 mm
20
-
21
-![](2025-02-19-14-31-59.png)
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/alu-extrusion-dat/ALU-extrusion-2040-sys-dat/ALU-extrusion-2040-sys-dat.md
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@@ -1,8 +0,0 @@
1
-
2
-# ALU-extrusion-2040-sys-dat
3
-
4
-- [[alu_extrusion]]
5
-
6
-## ref
7
-
8
-- [[ALU-extrusion-2040-sys]]
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\ No newline at end of file
mechanics-dat/alu-extrusion-dat/Alu-Extrusion-dat.md
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@@ -1,77 +0,0 @@
1
-
2
-# Alu-Extrusion-dat
3
-
4
-
5
-- [[Alu-Extrusion]] - [[screws-dat]] - [[t-nut-dat]]
6
-
7
-- [[case-aluminium-extrusion-dat]]
8
-
9
-
10
-- [[ALU-extrusion-1515-sys-dat]]
11
-
12
-## Aluminum Extrusion Profiles
13
-
14
-| Profile Type | Dimensions (mm) | Typical Applications |
15
-| ------------ | --------------- | ----------------------------------------------------------- |
16
-| 2020 | 20x20 | Lightweight frames, 3D printer structures, enclosures |
17
-| 2040 | 20x40 | Machine guards, small CNC frames, automation projects |
18
-| 3030 | 30x30 | Medium-duty frames, workbenches, conveyor systems |
19
-| 3060 | 30x60 | Robot frames, furniture, machine structures |
20
-| 4040 | 40x40 | Industrial automation, machine bases, heavy-duty structures |
21
-| 4080 | 40x80 | Large machine frames, CNC machines, conveyor systems |
22
-| 4545 | 45x45 | High-strength structures, machine enclosures |
23
-| 4590 | 45x90 | Industrial racking, automation systems |
24
-| 5050 | 50x50 | Structural supports, high-load frames |
25
-| 6060 | 60x60 | Heavy-duty machine frames, CNC enclosures |
26
-| 8080 | 80x80 | Large industrial structures, load-bearing frames |
27
-
28
-
29
-### 2020
30
-
31
-M3 T-nut + M3*10
32
-
33
-
34
-
35
-
36
-### 4040 dual groove
37
-
38
-![](2025-02-26-19-36-59.png)
39
-
40
-![](2025-02-26-19-37-15.png)
41
-
42
-groove size 5.5 mm
43
-
44
-
45
-
46
-### 2040
47
-
48
-- version: 2024L, 2040V
49
-
50
-![](2025-02-19-14-33-26.png)
51
-
52
-## Accessories
53
-
54
-| ALU Profile | T-nut Type | T-nut Size | Screw Type | Screw Size | Common Lengths |
55
-| ----------- | ---------- | ---------- | ---------- | ---------- | ---------------------- |
56
-| 1515 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm |
57
-| 2020 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm |
58
-| 4040 | T-nut | M6 | Bolt | M6 | 10mm, 20mm, 30mm, 40mm |
59
-
60
-
61
-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.
62
-
63
-
64
-
65
-
66
-
67
-## APP
68
-
69
-![](2025-02-26-19-39-21.png)
70
-
71
-
72
-
73
-## ref
74
-
75
-- [[mechanics-dat]] - [[mechanics]]
76
-
77
-- [[Alu-Extrusion]]
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mechanics-dat/alu-extrusion-dat/Profile-Angle-dat/2025-02-19-13-49-22.png
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mechanics-dat/alu-extrusion-dat/Profile-Angle-dat/Profile-Angle-dat.md
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@@ -1,51 +0,0 @@
1
-
2
-# Profile-Angle-dat
3
-
4
-### Profile Angle == 角码
5
-
6
-
7
-
8
-### 1515
9
-
10
-![](2025-11-21-17-25-03.png)
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
-![](2025-02-19-13-49-22.png)
23
-
24
-![](2025-03-20-14-51-11.png)
25
-
26
-
27
-
28
-## installation
29
-
30
-![](2025-11-21-16-58-15.png)
31
-
32
-![](2025-11-21-16-58-32.png)
33
-
34
-![](2025-11-21-16-58-59.png)
35
-
36
-- t-nut
37
-- screw
38
-- washers
39
-
40
-| components | specs |
41
-| ------------------ | ----- |
42
-| angle | 1515 |
43
-| t-nut | 15M4 |
44
-| hex [[screws-dat]] | |
45
-| washers | |
46
-
47
-
48
-
49
-## ref
50
-
51
-- [[alu-extrusion-dat]]
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\ No newline at end of file
mechanics-dat/alu-extrusion-dat/Profile-Bracket-dat/2025-02-19-13-48-31.png
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mechanics-dat/alu-extrusion-dat/Profile-Bracket-dat/Profile-Bracket-dat.md
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@@ -1,18 +0,0 @@
1
-
2
-# Profile-Bracket-dat
3
-
4
-### Profile Bracket
5
-
6
-L-type
7
-
8
-![](2025-02-19-13-48-31.png)
9
-
10
-L and T type Bracket for 4040
11
-
12
-![](2025-02-26-19-29-48.png)
13
-
14
-L and T type Bracket for 2020
15
-
16
-![](2025-02-19-17-50-13.png)
17
-
18
-
mechanics-dat/alu-extrusion-dat/case-aluminium-extrusion-dat/case-aluminium-extrusion-dat.md
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@@ -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]]
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\ No newline at end of file
mechanics-dat/alu-extrusion-dat/profile-t-nut-dat/2025-11-21-17-21-55.png
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mechanics-dat/alu-extrusion-dat/profile-t-nut-dat/profile-t-nut-dat.md
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@@ -1,16 +0,0 @@
1
-
2
-# profile-t-nut-dat
3
-
4
-## 1515M4
5
-
6
-![](2025-11-21-17-21-55.png)
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]]
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\ No newline at end of file
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mechanics-dat/mechanical-structure-dat/PVC-tube-dat/PVC-tube-dat.md
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@@ -0,0 +1,39 @@
1
+
2
+# PVC-tube-dat
3
+
4
+
5
+### PVC tube build
6
+
7
+| Outer diameter | thickness | length |
8
+| -------------- | --------- | --------- |
9
+| 6mm | 1mm | [1 meter] |
10
+| 7mm | 1mm | [1 meter] |
11
+| 8mm | 1mm | [1 meter] |
12
+| 9mm | 1mm | [1 meter] |
13
+| 10mm | 1mm | [1 meter] |
14
+| 11mm | 1mm | [1 meter] |
15
+| 12mm | 1mm | [1 meter] |
16
+| 13mm | 1mm | [1 meter] |
17
+| 14mm | 1mm | [1 meter] |
18
+| 16mm | 2mm | [1 meter] |
19
+
20
+#### Connector
21
+
22
+1D
23
+
24
+![](2025-01-13-18-44-58.png)
25
+
26
+2D
27
+
28
+![](2025-01-13-18-44-26.png)
29
+
30
+3D-flat
31
+
32
+![](2025-01-13-18-44-12.png)
33
+
34
+3D
35
+
36
+![](2025-01-13-18-43-32.png)
37
+
38
+4D
39
+![](2025-01-13-18-43-55.png)
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\ No newline at end of file
mechanics-dat/mechanical-structure-dat/Shaft-dat/Shaft-dat.md
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@@ -0,0 +1,16 @@
1
+
2
+# Shaft-dat
3
+
4
+## 8mm
5
+
6
+## 6mm
7
+
8
+- [[limit-ring-dat]]
9
+
10
+
11
+
12
+
13
+
14
+## related
15
+
16
+- [[shaft-coupler-dat]]
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\ No newline at end of file
mechanics-dat/mechanical-structure-dat/Shaft-dat/shaft-coupler-dat/shaft-coupler-dat.md
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@@ -0,0 +1,46 @@
1
+
2
+# shaft-coupler-dat
3
+
4
+
5
+
6
+
7
+
8
+
9
+
10
+## Shaft Coupler
11
+
12
+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.
13
+
14
+---
15
+
16
+### Types of Shaft Couplers
17
+
18
+#### 1. Rigid Coupler
19
+- **Features**: No elasticity, provides a solid connection, requires precise shaft alignment.
20
+- **Applications**: High-precision CNC machines, industrial machinery.
21
+
22
+#### 2. Flexible Coupler
23
+- **Features**: Can absorb slight misalignment, reduce vibration, and minimize impact.
24
+- **Common Types**:
25
+ - **Jaw Coupling** – Uses an elastomer insert to absorb vibrations; suitable for stepper and servo motors.
26
+ - **Bellows Coupling** – High torque transmission capability, ideal for precision applications.
27
+ - **Disc Coupling** – Used in high-speed and high-precision applications, such as robotics and aerospace.
28
+
29
+#### 3. Universal Joint (U-Joint)
30
+- **Features**: Allows for larger angular misalignment, commonly used for shafts that are not in perfect alignment.
31
+- **Applications**: Automotive drivetrains, heavy machinery.
32
+
33
+#### 4. Oldham Coupling
34
+- **Features**: Compensates for significant radial misalignment, commonly used in automation and 3D printing.
35
+
36
+---
37
+
38
+### Key Functions of Shaft Couplers
39
+✅ **Torque Transmission** – Connects the motor to the driven shaft for power transfer.
40
+✅ **Misalignment Compensation** – Allows slight shaft misalignment, reducing stress.
41
+✅ **Vibration & Shock Absorption** – Helps dampen vibrations and protect mechanical components.
42
+✅ **Equipment Protection** – Some couplers act as safety devices in case of overload.
43
+
44
+## ref
45
+
46
+- [[shaft-dat]] - [[shaft-coupler]] - [[shaft]]
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\ No newline at end of file
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... ...
@@ -0,0 +1,4 @@
1
+
2
+# shaft-limit-ring-dat
3
+
4
+![](2025-07-08-17-48-24.png)
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@@ -0,0 +1,37 @@
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
+![](2025-02-19-14-30-08.png)
17
+
18
+
19
+profile center hole 3.3 mm
20
+
21
+![](2025-02-19-14-31-59.png)
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/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]]
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\ No newline at end of file
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mechanics-dat/mechanical-structure-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
+![](2025-11-21-17-25-03.png)
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
+![](2025-02-19-13-49-22.png)
23
+
24
+![](2025-03-20-14-51-11.png)
25
+
26
+
27
+
28
+## installation
29
+
30
+![](2025-11-21-16-58-15.png)
31
+
32
+![](2025-11-21-16-58-32.png)
33
+
34
+![](2025-11-21-16-58-59.png)
35
+
36
+- t-nut
37
+- screw
38
+- washers
39
+
40
+| components | specs |
41
+| ------------------ | ----- |
42
+| angle | 1515 |
43
+| t-nut | 15M4 |
44
+| hex [[screws-dat]] | |
45
+| washers | |
46
+
47
+
48
+
49
+## ref
50
+
51
+- [[alu-extrusion-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Bracket-dat/2025-02-19-13-48-31.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Bracket-dat/Profile-Bracket-dat.md
... ...
@@ -0,0 +1,18 @@
1
+
2
+# Profile-Bracket-dat
3
+
4
+### Profile Bracket
5
+
6
+L-type
7
+
8
+![](2025-02-19-13-48-31.png)
9
+
10
+L and T type Bracket for 4040
11
+
12
+![](2025-02-26-19-29-48.png)
13
+
14
+L and T type Bracket for 2020
15
+
16
+![](2025-02-19-17-50-13.png)
17
+
18
+
mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/alu-extrusion-dat.md
... ...
@@ -0,0 +1,90 @@
1
+
2
+# Alu-Extrusion-dat
3
+
4
+
5
+- [[Alu-Extrusion]] - [[screws-dat]] - [[t-nut-dat]]
6
+
7
+- [[case-aluminium-extrusion-dat]]
8
+
9
+
10
+- [[ALU-extrusion-1515-sys-dat]]
11
+
12
+
13
+### aluminum profile
14
+
15
+3030 Profile: This refers to an aluminum profile that is 30mm x 30mm in cross-section.
16
+- It is often used for smaller frames, workstations, and lighter structural applications.
17
+
18
+4040 Profile: This refers to an aluminum profile that is 40mm x 40mm in cross-section.
19
+- It is typically used for slightly larger and more robust frames and structures, ideal for heavier-duty applications or larger equipment.
20
+
21
+
22
+
23
+
24
+
25
+## Aluminum Extrusion Profiles
26
+
27
+| Profile Type | Dimensions (mm) | Typical Applications |
28
+| ------------ | --------------- | ----------------------------------------------------------- |
29
+| 2020 | 20x20 | Lightweight frames, 3D printer structures, enclosures |
30
+| 2040 | 20x40 | Machine guards, small CNC frames, automation projects |
31
+| 3030 | 30x30 | Medium-duty frames, workbenches, conveyor systems |
32
+| 3060 | 30x60 | Robot frames, furniture, machine structures |
33
+| 4040 | 40x40 | Industrial automation, machine bases, heavy-duty structures |
34
+| 4080 | 40x80 | Large machine frames, CNC machines, conveyor systems |
35
+| 4545 | 45x45 | High-strength structures, machine enclosures |
36
+| 4590 | 45x90 | Industrial racking, automation systems |
37
+| 5050 | 50x50 | Structural supports, high-load frames |
38
+| 6060 | 60x60 | Heavy-duty machine frames, CNC enclosures |
39
+| 8080 | 80x80 | Large industrial structures, load-bearing frames |
40
+
41
+
42
+### 2020
43
+
44
+M3 T-nut + M3*10
45
+
46
+
47
+
48
+
49
+### 4040 dual groove
50
+
51
+![](2025-02-26-19-36-59.png)
52
+
53
+![](2025-02-26-19-37-15.png)
54
+
55
+groove size 5.5 mm
56
+
57
+
58
+
59
+### 2040
60
+
61
+- version: 2024L, 2040V
62
+
63
+![](2025-02-19-14-33-26.png)
64
+
65
+## Accessories
66
+
67
+| ALU Profile | T-nut Type | T-nut Size | Screw Type | Screw Size | Common Lengths |
68
+| ----------- | ---------- | ---------- | ---------- | ---------- | ---------------------- |
69
+| 1515 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm |
70
+| 2020 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm |
71
+| 4040 | T-nut | M6 | Bolt | M6 | 10mm, 20mm, 30mm, 40mm |
72
+
73
+
74
+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.
75
+
76
+
77
+
78
+
79
+
80
+## APP
81
+
82
+![](2025-02-26-19-39-21.png)
83
+
84
+
85
+
86
+## ref
87
+
88
+- [[mechanics-dat]] - [[mechanics]]
89
+
90
+- [[Alu-Extrusion]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-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
mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/profile-t-nut-dat/2025-11-21-17-21-55.png
... ...
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mechanics-dat/mechanical-structure-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
+![](2025-11-21-17-21-55.png)
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/belt-sys-dat/belt-dat/belt-dat.md
... ...
@@ -0,0 +1,4 @@
1
+
2
+# belt-dat
3
+
4
+GT2_Belt_6mm
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/belt-sys-dat/belt-sys-dat.md
... ...
@@ -0,0 +1,14 @@
1
+
2
+# belt-sys-dat
3
+
4
+
5
+- [[timing-pulley-dat]] - [[idler-dat]] - [[belt-dat]]
6
+
7
+
8
+
9
+
10
+
11
+
12
+## ref
13
+
14
+- [[belt-sys]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/belt-sys-dat/idler-dat/idler-dat.md
... ...
@@ -0,0 +1,10 @@
1
+
2
+# idler-dat
3
+
4
+## GT2_Idler_20T_5B_6mm
5
+
6
+
7
+
8
+## ref
9
+
10
+- [[idler]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/belt-sys-dat/timing-pulley-dat/2025-04-11-16-38-50.png
... ...
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mechanics-dat/mechanical-structure-dat/belt-sys-dat/timing-pulley-dat/2025-04-11-17-02-34.png
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mechanics-dat/mechanical-structure-dat/belt-sys-dat/timing-pulley-dat/timing-pulley-dat.md
... ...
@@ -0,0 +1,88 @@
1
+
2
+# timing-pulley-dat
3
+
4
+
5
+| modes | category | teeth | inner diameter | belt width | note |
6
+| :------------- | :------- | :---- | :------------- | :--------- | :---: |
7
+| GT2_20T_8B_6mm | 2GT | 20 | 8 | 6 | - |
8
+
9
+
10
+
11
+
12
+### GT2_Timing_Pulley_20T_8B_6mm v8
13
+
14
+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:
15
+
16
+- **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.
17
+- **Timing Pulley**: A mechanical component with teeth that engage with a timing belt to transfer motion with high accuracy.
18
+- **20T**: This pulley has **20 teeth**, which affects the step resolution and speed of the driven mechanism.
19
+- **8B**: Indicates an **8mm bore diameter**, meaning it fits shafts with an 8mm diameter.
20
+- **6mm**: This refers to the **belt width** it is compatible with, which is typically a **6mm-wide GT2 timing belt**.
21
+- **v8**: This likely refers to the **version** or **design iteration** of the pulley.
22
+
23
+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! 🚀
24
+
25
+
26
+
27
+
28
+## GT2_Timing_Pulley_20T_8B_6mm
29
+
30
+- **GT2**: Refers to the tooth profile – 2 mm pitch (distance between teeth), ideal for precise motion control (e.g., 3D printers).
31
+- **20T**: 20 Teeth – the pulley has 20 teeth around its circumference.
32
+- **8B**: 8 mm **inner bore diameter** (fits an 8 mm shaft).
33
+- **6mm**: **Belt width** – designed for 6 mm wide GT2 timing belts.
34
+
35
+## Summary:
36
+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.
37
+
38
+https://cad.onshape.com/documents/707b8372a3c9ced9cde96289/v/ee73401f89c866bc22119094/e/19e0ed0d5720546e9089804c?showReturnToWorkspaceLink=true
39
+
40
+- measured witdth = 9 mm
41
+- measured hole = 5 mm
42
+
43
+![](2025-04-11-16-38-50.png)
44
+
45
+## GT2_Timing_Pulley_20T_8B_5mm
46
+
47
+the following images show inner hole 5mm, not 6mm
48
+
49
+![](2025-04-11-17-02-34.png)
50
+
51
+
52
+## timing pulley VS. Coupler
53
+
54
+### 🔧 1. Function
55
+
56
+| Aspect | **Timing Pulley** | **Idler Pulley** |
57
+| ------- | ------------------------------------------------- | ------------------------------------------------ |
58
+| Purpose | Transmits power between shafts via timing belt | Guides or maintains tension in the belt |
59
+| Motion | Rotates with and drives the shaft it's mounted on | Usually free-spinning (not connected to a motor) |
60
+
61
+---
62
+
63
+### 🔁 2. Power Transmission
64
+
65
+| Aspect | **Timing Pulley** | **Idler Pulley** |
66
+| -------------- | ----------------------------------------------- | ------------------------------------------- |
67
+| Power Transfer | Yes – transfers torque and synchronizes timing | No – only redirects or tensions the belt |
68
+| Engagement | Toothed belt fits precisely to prevent slippage | May or may not be toothed; sometimes smooth |
69
+
70
+---
71
+
72
+### ⚙️ 3. Mounting and Design
73
+
74
+| Aspect | **Timing Pulley** | **Idler Pulley** |
75
+| -------------- | -------------------------------------- | ------------------------------------------- |
76
+| Shaft Mount | Mounted on driven or driving shaft | Mounted on a stationary or pivoting bracket |
77
+| Size Variation | Chosen for gear ratio and torque needs | Chosen based on tensioning or routing needs |
78
+
79
+---
80
+
81
+#### 🛠️ Example Scenario
82
+
83
+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.
84
+
85
+
86
+## ref
87
+
88
+- [[timing-pulley]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/mechanical-structure-dat.md
... ...
@@ -0,0 +1,10 @@
1
+
2
+# mechnical-structure-dat.md
3
+
4
+- [[alu-extrusion-dat]]
5
+
6
+
7
+### turnover box
8
+
9
+
10
+
mechanics-dat/mechanical-structure-dat/motion-system-dat/motion-system-dat.md
... ...
@@ -0,0 +1,15 @@
1
+
2
+# motion-system-dat
3
+
4
+
5
+
6
+
7
+
8
+- [[bearing-dat]]
9
+
10
+- [[belt-dat]] - [[belt-sys-dat]]
11
+
12
+- [[shaft-dat]] - [[shaft-coupler-dat]]
13
+
14
+- [[timing-pulley-dat]] - [[idler-dat]]
15
+
mechanics-dat/mechanics-dat.md
... ...
@@ -13,7 +13,7 @@
13 13
14 14
- [[glue-dat]]
15 15
16
-- [[motion-system-dat]]
16
+- [[mechanical-structure-dat/motion-system-dat/motion-system-dat]]
17 17
18 18
- [[mechnical-structure-dat]]
19 19
... ...
@@ -35,6 +35,10 @@
35 35
36 36
- [[plastic-dat]]
37 37
38
+- [[mechanical-structure-dat]] - [[PVC-tube-dat]] - [[aluminum-profile-dat]] - [[turnover-box-dat]] - [[cardboard-dat]] - [[shaft-plain-dat]] - [[shaft-dat]]
39
+
40
+- [[alu-extrusion-dat]]
41
+
38 42
39 43
40 44
## category 2.0
... ...
@@ -44,7 +48,7 @@ mechanics-dat
44 48
45 49
[[glue-dat]]
46 50
47
-[[motion-system-dat]]
51
+[[mechanical-structure-dat/motion-system-dat/motion-system-dat]]
48 52
49 53
[[mechnical-structure-dat]]
50 54
mechanics-dat/mechnical-structure-dat/2025-01-13-18-43-32.png
... ...
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mechanics-dat/mechnical-structure-dat/2025-01-13-18-43-55.png
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mechanics-dat/mechnical-structure-dat/2025-01-13-18-44-12.png
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mechanics-dat/mechnical-structure-dat/2025-01-13-18-44-26.png
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mechanics-dat/mechnical-structure-dat/2025-01-13-18-44-58.png
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mechanics-dat/mechnical-structure-dat/mechnical-structure-dat.md
... ...
@@ -1,52 +0,0 @@
1
-
2
-# mechnical-structure-dat.md
3
-
4
-### PVC tube build
5
-
6
-| Outer diameter | thickness | length |
7
-| -------------- | --------- | --------- |
8
-| 6mm | 1mm | [1 meter] |
9
-| 7mm | 1mm | [1 meter] |
10
-| 8mm | 1mm | [1 meter] |
11
-| 9mm | 1mm | [1 meter] |
12
-| 10mm | 1mm | [1 meter] |
13
-| 11mm | 1mm | [1 meter] |
14
-| 12mm | 1mm | [1 meter] |
15
-| 13mm | 1mm | [1 meter] |
16
-| 14mm | 1mm | [1 meter] |
17
-| 16mm | 2mm | [1 meter] |
18
-
19
-#### Connector
20
-
21
-1D
22
-
23
-![](2025-01-13-18-44-58.png)
24
-
25
-2D
26
-
27
-![](2025-01-13-18-44-26.png)
28
-
29
-3D-flat
30
-
31
-![](2025-01-13-18-44-12.png)
32
-
33
-3D
34
-
35
-![](2025-01-13-18-43-32.png)
36
-
37
-4D
38
-![](2025-01-13-18-43-55.png)
39
-
40
-### aluminum profile
41
-
42
-3030 Profile: This refers to an aluminum profile that is 30mm x 30mm in cross-section.
43
-- It is often used for smaller frames, workstations, and lighter structural applications.
44
-
45
-4040 Profile: This refers to an aluminum profile that is 40mm x 40mm in cross-section.
46
-- It is typically used for slightly larger and more robust frames and structures, ideal for heavier-duty applications or larger equipment.
47
-
48
-
49
-### turnover box
50
-
51
-
52
-
mechanics-dat/motion-system-dat/Shaft-dat/Shaft-dat.md
... ...
@@ -1,12 +0,0 @@
1
-
2
-# Shaft-dat
3
-
4
-## 8mm
5
-
6
-## 6mm
7
-
8
-- [[limit-ring-dat]]
9
-
10
-## related
11
-
12
-- [[shaft-coupler-dat]]
... ...
\ No newline at end of file
mechanics-dat/motion-system-dat/Shaft-dat/shaft-coupler-dat/shaft-coupler-dat.md
... ...
@@ -1,46 +0,0 @@
1
-
2
-# shaft-coupler-dat
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-## Shaft Coupler
11
-
12
-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.
13
-
14
----
15
-
16
-### Types of Shaft Couplers
17
-
18
-#### 1. Rigid Coupler
19
-- **Features**: No elasticity, provides a solid connection, requires precise shaft alignment.
20
-- **Applications**: High-precision CNC machines, industrial machinery.
21
-
22
-#### 2. Flexible Coupler
23
-- **Features**: Can absorb slight misalignment, reduce vibration, and minimize impact.
24
-- **Common Types**:
25
- - **Jaw Coupling** – Uses an elastomer insert to absorb vibrations; suitable for stepper and servo motors.
26
- - **Bellows Coupling** – High torque transmission capability, ideal for precision applications.
27
- - **Disc Coupling** – Used in high-speed and high-precision applications, such as robotics and aerospace.
28
-
29
-#### 3. Universal Joint (U-Joint)
30
-- **Features**: Allows for larger angular misalignment, commonly used for shafts that are not in perfect alignment.
31
-- **Applications**: Automotive drivetrains, heavy machinery.
32
-
33
-#### 4. Oldham Coupling
34
-- **Features**: Compensates for significant radial misalignment, commonly used in automation and 3D printing.
35
-
36
----
37
-
38
-### Key Functions of Shaft Couplers
39
-✅ **Torque Transmission** – Connects the motor to the driven shaft for power transfer.
40
-✅ **Misalignment Compensation** – Allows slight shaft misalignment, reducing stress.
41
-✅ **Vibration & Shock Absorption** – Helps dampen vibrations and protect mechanical components.
42
-✅ **Equipment Protection** – Some couplers act as safety devices in case of overload.
43
-
44
-## ref
45
-
46
-- [[shaft-dat]] - [[shaft-coupler]] - [[shaft]]
... ...
\ No newline at end of file
mechanics-dat/motion-system-dat/Shaft-dat/shaft-limit-ring-dat/2025-07-08-17-48-24.png
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mechanics-dat/motion-system-dat/Shaft-dat/shaft-limit-ring-dat/shaft-limit-ring-dat.md
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-
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-# shaft-limit-ring-dat
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-
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-![](2025-07-08-17-48-24.png)
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mechanics-dat/motion-system-dat/belt-sys-dat/belt-dat/belt-dat.md
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-# belt-dat
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-
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-GT2_Belt_6mm
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mechanics-dat/motion-system-dat/belt-sys-dat/belt-sys-dat.md
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-
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-# belt-sys-dat
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-
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-
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-- [[timing-pulley-dat]] - [[idler-dat]] - [[belt-dat]]
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-
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-
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-
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-
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-
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-
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-## ref
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-
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-- [[belt-sys]]
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mechanics-dat/motion-system-dat/belt-sys-dat/idler-dat/idler-dat.md
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-# idler-dat
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-
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-## GT2_Idler_20T_5B_6mm
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-
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-
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-
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-## ref
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-
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-- [[idler]]
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\ No newline at end of file
mechanics-dat/motion-system-dat/belt-sys-dat/timing-pulley-dat/2025-04-11-16-38-50.png
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mechanics-dat/motion-system-dat/belt-sys-dat/timing-pulley-dat/2025-04-11-17-02-34.png
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mechanics-dat/motion-system-dat/belt-sys-dat/timing-pulley-dat/timing-pulley-dat.md
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-# timing-pulley-dat
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-
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-
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-| modes | category | teeth | inner diameter | belt width | note |
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-| :------------- | :------- | :---- | :------------- | :--------- | :---: |
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-| GT2_20T_8B_6mm | 2GT | 20 | 8 | 6 | - |
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-
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-
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-
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-
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-### GT2_Timing_Pulley_20T_8B_6mm v8
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-
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-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:
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-
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-- **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.
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-- **Timing Pulley**: A mechanical component with teeth that engage with a timing belt to transfer motion with high accuracy.
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-- **20T**: This pulley has **20 teeth**, which affects the step resolution and speed of the driven mechanism.
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-- **8B**: Indicates an **8mm bore diameter**, meaning it fits shafts with an 8mm diameter.
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-- **6mm**: This refers to the **belt width** it is compatible with, which is typically a **6mm-wide GT2 timing belt**.
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-- **v8**: This likely refers to the **version** or **design iteration** of the pulley.
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-
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-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! 🚀
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-
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-
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-
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-
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-## GT2_Timing_Pulley_20T_8B_6mm
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-
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-- **GT2**: Refers to the tooth profile – 2 mm pitch (distance between teeth), ideal for precise motion control (e.g., 3D printers).
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-- **20T**: 20 Teeth – the pulley has 20 teeth around its circumference.
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-- **8B**: 8 mm **inner bore diameter** (fits an 8 mm shaft).
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-- **6mm**: **Belt width** – designed for 6 mm wide GT2 timing belts.
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-
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-## Summary:
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-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.
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-
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-https://cad.onshape.com/documents/707b8372a3c9ced9cde96289/v/ee73401f89c866bc22119094/e/19e0ed0d5720546e9089804c?showReturnToWorkspaceLink=true
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-
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-- measured witdth = 9 mm
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-- measured hole = 5 mm
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-
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-![](2025-04-11-16-38-50.png)
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-
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-## GT2_Timing_Pulley_20T_8B_5mm
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-
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-the following images show inner hole 5mm, not 6mm
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-
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-![](2025-04-11-17-02-34.png)
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-
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-
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-## timing pulley VS. Coupler
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-
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-### 🔧 1. Function
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-
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-| Aspect | **Timing Pulley** | **Idler Pulley** |
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-| ------- | ------------------------------------------------- | ------------------------------------------------ |
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-| Purpose | Transmits power between shafts via timing belt | Guides or maintains tension in the belt |
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-| Motion | Rotates with and drives the shaft it's mounted on | Usually free-spinning (not connected to a motor) |
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-
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----
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-
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-### 🔁 2. Power Transmission
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-
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-| Aspect | **Timing Pulley** | **Idler Pulley** |
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-| -------------- | ----------------------------------------------- | ------------------------------------------- |
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-| Power Transfer | Yes – transfers torque and synchronizes timing | No – only redirects or tensions the belt |
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-| Engagement | Toothed belt fits precisely to prevent slippage | May or may not be toothed; sometimes smooth |
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-
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----
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-
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-### ⚙️ 3. Mounting and Design
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-
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-| Aspect | **Timing Pulley** | **Idler Pulley** |
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-| -------------- | -------------------------------------- | ------------------------------------------- |
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-| Shaft Mount | Mounted on driven or driving shaft | Mounted on a stationary or pivoting bracket |
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-| Size Variation | Chosen for gear ratio and torque needs | Chosen based on tensioning or routing needs |
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-
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----
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-
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-#### 🛠️ Example Scenario
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-
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-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.
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-
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-
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-## ref
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-
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-- [[timing-pulley]]
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\ No newline at end of file
mechanics-dat/motion-system-dat/motion-system-dat.md
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-
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-# motion-system-dat
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-
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-
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-
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-
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-
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-- [[bearing-dat]]
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-
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-- [[belt-dat]] - [[belt-sys-dat]]
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-
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-- [[shaft-dat]] - [[shaft-coupler-dat]]
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-
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-- [[timing-pulley-dat]] - [[idler-dat]]
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-
tools-dat/soldering-tools-dat/hot-air-station-dat/hot-air-station-dat.md
... ...
@@ -17,7 +17,19 @@ yellow wires 220VAC
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18 18
![](2025-11-28-19-11-41.png)
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+wires
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+✅ In a hot-air handle with only heater + temperature sensor, no fan and no reed switch
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+
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+The internal parts are:
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+
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+Heating element (ceramic heater) → always 2 wires
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+
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+Temperature sensor → usually 2 wires
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+
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+Protective ground wire → 1 wire
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+
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+This adds up to 5 wires, matching your description.
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## ref
23 35