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No.000006 Workpiece Clamp
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Retaining small-size workpieces without causing damage
Relevant category
Toggle Clamps
| Product name | Toggle Clamps - Horizontal Handle, Horizontal Base Type |
|---|---|
| Part number | MC01-5 |
| Features | Hold Down, Flange Base Type. Low Profile-designed. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Has a wide arm angle
Available sizes
■Toggle Clamps - Horizontal Handle, Horizontal Base Type
| Body Material | 1018 Carbon Steel | 304 Stainless Steel | ||||||
|---|---|---|---|---|---|---|---|---|
| Surface Treatment | Trivalent Chromate | - | ||||||
| Tightening Force (N) | 196 | 196 | 294 | 2450 | 2744 | 196 | 2450 | 2744 |
| Weight (g) | 30 | 30 | 100 | 210 | 435 | 30 | 210 | 435 |
| Open-Close Angle of Arm | 71° | 75° | 72° | 77° | 79° | 75° | 77° | 79° |
| Open-Close Angle of Handle | 72° | 82° | 74° | 85° | 86° | 82° | 85° | 86° |
| Overall Width | 28 | 24.5 | 30 | 52 | 57 | 24.5 | 52 | 57 |
| Overall height (Clamped) | 23.25 | 20.5 | 33.5 | 38.2 | 48.56 | 20.5 | 38.2 | 48.56 |
| Height (Unclamped) | 72.8 | 56.4 | 83.9 | 167.6 | 193.8 | 56.4 | 167.6 | 193.8 |
| Overall Length (Clamped) | 91 | 67.3 | 110 | 199 | 260.3 | 67.3 | 199 | 260.3 |
| Clamp Position | Fixed | Fixed | Variable | Variable | Variable | Fixed | Variable | Variable |
| Accessory | Steel Bolt | Stainless Steel Bolt | ||||||
* Please see the product pages for shape details and dimensions.
Spring Plungers
| Product name | Spring Plungers - Stainless Steel |
|---|---|
| Part number | PJLK3-3 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Reduces applied retaining load
Available sizes
■Spring Plungers - Stainless Steel
| Nose Material | Load Type | Body | Nose | Spring | Operating Temperature | |
|---|---|---|---|---|---|---|
| Material | Material | Hardness | Material | |||
| Stainless Steel | Ultra Light Load | 304 Stainless Steel | 440C Stainless Steel | 55HRC~ | 631 Stainless Steel | -30~260℃ |
| Light Load | ||||||
| Heavy Load | ||||||
| Extra Heavy Load | ||||||
| Plastic | Ultra Light Load | Polyacetal | - | -30~80℃ | ||
| Light Load | ||||||
| Heavy Load | ||||||
| Extra Heavy Load | ||||||
■Sizes and Dimensions
| Screw Dia. (Coarse) | Nose | Body length | |
|---|---|---|---|
| Diameter | Stroke | ||
| M3 | φ1 | 1.5 | 15 |
| 3 | 15 | ||
| M4 | φ1.6 | 2 | 15 |
| 4 | 24 | ||
| M5 | φ2 | 3 | 20 |
| 5 | 27 | ||
| M6 | φ2.5 | 3 | 25 |
| 5 | 30 | ||
| M8 | φ3.1 | 3 | 25 |
| 5 | 27 | ||
| M10 | φ3.8 | 5 | 30 |
| 10 | 43 | ||
| M12 | φ5.5 | 5 | 30 |
| 10 | 43 | ||
| 15 | 51 | ||
| M16 | φ8 | 10 | 57 |
| 15 | 57 | ||
| 20 | 65 | ||
Performance info.
■Spring Load (N) of Spring Plunger (Stainless Steel)
| Load Type | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Screw Dia. (Coarse) | Nose | Ultra Light Load | Light Load | Heavy Load | Extra Heavy Load | |||||
| Diameter | Stroke | min. | max. | min. | max. | min. | max. | min. | max. | |
| M3 | φ1 | 1.5 | 0.12 | 0.4 | 0.4 | 1.3 | 0.8 | 2.94 | 1.1 | 3.42 |
| 3 | 0.12 | 0.4 | 0.2 | 1.3 | 0.6 | 2.93 | 0.8 | 3.41 | ||
| M4 | φ1.6 | 2 | 0.27 | 0.65 | 0.9 | 2 | 2 | 8.8 | 6.1 | 13.8 |
| 4 | 0.18 | 0.65 | 0.6 | 2.1 | 1.9 | 8.75 | 5.8 | 13.6 | ||
| M5 | φ2 | 3 | 0.4 | 3 | 1.4 | 9.7 | 2.7 | 16.3 | 6.8 | 22 |
| 5 | 0.35 | 3 | 1.1 | 10.3 | 1 | 17.1 | 5.7 | 21.5 | ||
| M6 | φ2.5 | 3 | 1.8 | 3.05 | 6 | 9.8 | 8 | 26.4 | 15.8 | 35.6 |
| 5 | 1.5 | 3.05 | 3.4 | 9.86 | 4.4 | 26.6 | 12.9 | 34.4 | ||
| M8 | φ3.1 | 3 | 1.9 | 3.15 | 6 | 9.9 | 14.7 | 27 | 21.9 | 36.3 |
| 5 | 1.4 | 3.15 | 4 | 9.83 | 6.7 | 26.6 | 14.7 | 34.5 | ||
| M10 | φ3.8 | 5 | 1.6 | 4.6 | 5.7 | 14.7 | 8.2 | 45.7 | 24.5 | 58.6 |
| 10 | 1.6 | 4.6 | 4.4 | 14.7 | 6.2 | 45.1 | 19.8 | 58.7 | ||
| M12 | φ5.5 | 5 | 1.7 | 4.7 | 5.8 | 14.7 | 18.2 | 49 | 34.9 | 63.6 |
| 10 | 1.6 | 4.7 | 5 | 14.7 | 8.2 | 49.1 | 25.5 | 63.6 | ||
| 15 | 1.8 | 4.7 | 6.9 | 14.7 | 7.5 | 48.9 | 20.1 | 63.7 | ||
| M16 | φ8 | 10 | 2.8 | 10.8 | 9.2 | 34.2 | 18.9 | 68.5 | 38.7 | 88.4 |
| 15 | 2.6 | 10.8 | 8.6 | 34.4 | 14.4 | 68.6 | 33.9 | 88.1 | ||
| 20 | 2 | 11 | 7.1 | 34.4 | 4.2 | 68.6 | 25.4 | 88.1 | ||
* Min. is the initial load, and max. is the load when the nose is fully compressed.
IDEA NOTE Prevent rotation
A stepped bracket, that attaches the toggle clamp to spring plunger, helps prevent rotational motion.
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CAD Download (Unit Assembly)
CAD Download: File Format
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* The part in the frame is a sub-assembly unit.
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Application Overview
Purpose
- Fixture to clamp a small-size workpiece while soldering.
Points for use
- Manual mechanism that utilizes a toggle clamp.
Target workpiece
- Circuit board
- External dimension: □ 20 x t 1
- Connector size W8 x D10 x H 2mm
Design Specifications
Operating Conditions or Design Requirements
- Toggle clamp arm open-close angle: 90°
- Spring plunger load: 0.2 - 1.3 N
- External dimensions:
W80ｘD35ｘH47mm
Required Performance
- Workpiece retention load: 0.2 - 1.3N
Selection Criteria for Main Components
- Toggle Clamps
- Application requires a vertical and horizontal handle clamp.
- Since the load is minimal, a normal handle type is used.
- Spring Plungers
- Use the plastic tip part type to prevent scratches to the workpieces.
Design Evaluation
Verification of main components
- Verify required work retention load.
- Plunger load
- Assumed stroke: 2.5mm
- Plunger spring constant
k=1.3/3=0.43N/mm - Based on the values above, the assumed workpiece retention load is given as follows:
F = k x = 0.43 x 2.5 = 1N
Other Design Consideration
- The applied retaining load can be adjusted with the spring plungers.
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