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No.000045 Simplified Hand Press Unit
170
170
Simplified hand press unit utilizing toggle clamp.
Relevant category
Toggle Clamps
| Product name | Toggle Clamps -Push-Pull- |
|---|---|
| Part number | MC07-12 |
| Features | Suitable when clamping a workpiece from the side. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Alternative to the Hand-presses and Use of Force Multiplying Mechanism
Available sizes
■Toggle Clamps -Push-Pull-
| Material | Main Body: 1018 Carbon Steel Attaching Portion: 65-45-12 S.G. Cast Iron | 1018 Carbon Steel | |||||
|---|---|---|---|---|---|---|---|
| Surface Treatment | Main Body: Trivalent Chromate Attaching Portion: Chemical Conversion Coating | Main Body: Trivalent Chromate Shaft: Nickel Plating | |||||
| Stroke (mm) | 32 | 42 | 32 | 41.3 | 50.8 | 50.6 | 80 |
| Tightening Force (N) | 2270 | 3860 | 1360 | 3640 | 11360 | 4540 | 3000 |
| Weight (g) | 340 | 580 | 300 | 800 | 935 | 965 | 1000 |
| Open-Close Angle of Handle | 180° | 180° | 180° | 180° | 180° | 190° | 180° |
| Overall Width | 57.2 | 57.2 | 56 | 57.2 | 57 | 85 | 48 |
| Tip Bolt | M8 Tapped | M10 Tapped | M8 Tapped | M10 Tapped | M10 Tapped | M12 Tapped | M8 Tapped |
| Overall Length (clamped) | 125.6 | 158.2 | 139.8 | 171.3 | 178.6 | 198.4 | 236 |
| Overall Length (unclamped) | 182.9 | 233.5 | 223.2 | 294.1 | 282.3 | 321 | 368.5 |
| Push Shaft Height | 25.4 | 31.8 | 24.6 | 44.4 | 20.6 | 25 | 14 |
* The overall length does not contain the thread length.
* Please see the product pages for shape details and dimensions.
Mini Flanged Oil Free Bushing Housings
| Product name | Mini Flanged Oil Free Bushing Housings |
|---|---|
| Part number | MFST12 |
| Features | 5 ~ 8 mm smaller in flange diameter (H dimension) compared to conventional Flanged Oil Free Bushings. Suited for use in limited space. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Take countermeasures for overload
Risk info.
Countermeasures for Overload in Case of a Mistake in Pressing
Available sizes
■Mini Flanged Oil Free Bushing Housings
| Seal | Housing | Bushing | |
|---|---|---|---|
| Material | Surface Treatment | Material | |
| Not Provided | 1018 Carbon Steel | Electroless Nickel Plating | High Tensile Brass Alloy, Solid Lubricant Embedded |
| With Non-Contact Seals | |||
■Sizes and Dimensions
| Shaft Bore Dia. | Overall Length | Flange O.D. | Flange Thickness |
|---|---|---|---|
| φ6 | 22 | φ23 | 6 |
| φ8 | 27 | φ27 | |
| φ10 | 32 | φ34 | 8 |
| φ12 | φ37 | ||
| φ13 | φ38 | ||
| φ16 | 37 | φ43 | |
| φ20 | 42 | φ48 | 10 |
| φ25 | 58 | φ56 | |
| φ30 | 68 | φ66 | 12 |
Selection steps
Performance info.
■Rated Load of Mini Flanged Oil Free Bushing Housings
| Maximum Allowable Load (N/mm^2) | 29 | |
|---|---|---|
| Maximum Allowable Velocity (m/s) | Regular | 1 |
| Non-lubricated | 0.5 | |
| Maximum Allowable PV Value (N/mm^2 m/s) | Regular | 3.25 |
| Non-lubricated | 1.65 | |
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It is configured so that each sub-assembly unit can be used as it is or edited.
Application Overview
Purpose
- Simplified hand press utilizing toggle clamp.
- Pressure is applied to the forming mold using a horizontal press unit mounted in a vertical orientation.
Points for use
- Manual operation for small-lot production.
Target workpiece
- IC (with legs to be formed).
Design Specifications
Operating Conditions or Design Requirements
- Base: W150 x D230mm
- Overall height: 485 (max)
- Toggle clamp stroke: 50.6mm
Required Performance
- Positioning accuracy: ±0.5mm
- Push force: 3000 N or higher
Selection Criteria for Main Components
- Toggle clamp
- A toggle clamp is selected to achieve a long stroke and a high clamping force.
Design Evaluation
Verification of main components
- Since the required load may increase based on the operation being performed, the toggle clamp selected has a higher clamping force then required for the initial load.
- At the same time, a toggle clamp with a large handle exhibiting good workability is selected.
- If load control is necessary, trial and error in preliminary testing is required.
Other Design Consideration
- As the lever positions in the released and pressed state affect the workability, attention needs to be paid to the lever positions in the design.
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