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- inCAD Library Home
- > No.000047 Workpiece Seating Correction Unit
No.000047 Workpiece Seating Correction Unit
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Corners of workpiece are pushed down for seating correction
Relevant category
Spring Pins
| Product name | Spring Pins |
|---|---|
| Part number | SPPL8-6 |
| Features | Plunger with built-in bushing. Tip can be ordered separately. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Suitable for correcting location of work piece
Available sizes
■Spring pin
| Pin tip | Pin | Spring | Body | Oil free bushing | Nut | |||
|---|---|---|---|---|---|---|---|---|
| Material | ||||||||
| Tip | Core rod | Material | Material | Material | Surface treatment | Material | Material | Surface treatment |
| Polyacetal | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 1045 Carbon Steel | Electroless nickel plating | PTFE | 1215 Carbon Steel | Trivalent Chromate |
■Sizes
| Thread DIA. (Coarse) | Pin tip O.D. | Stroke | Overall length | Pin DIA. |
|---|---|---|---|---|
| M6 | φ5 | 10 | 66.2 | φ2.5 |
| M8 | φ6 | 74.1 | φ3 | |
| M10 | φ8 | 15 | 91.3 | φ4 |
Performance info.
■Spring load of spring pin
| Thread DIA. (Coarse) | Pin tip O.D. | Load(N) | |
|---|---|---|---|
| min. | max. | ||
| M6 | φ5 | 2.0 | 5.9 |
| M8 | φ6 | 3.8 | 8.0 |
| M10 | φ8 | 4.7 | 12.6 |
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* The part in the frame is a sub-assembly unit.
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- * Unit assembly Data consists of some sub-assemblies.
It is configured so that each sub-assembly unit can be used as it is or edited.
Application Overview
Purpose
- This is used to correct work piece position when the work piece is loaded incorrectly.
- Spring pins are used to correct the positioning of the work piece.
- After the seating correction is finished, the spring pin unit is retracted for PCB(Printed Circuit Board).
Target workpiece
- Printed circuit board
workpiece size: □115, t1.6
Design Specifications
Operating Conditions or Design Requirements
- External dims.: W130 x D130 x H233
- Cylinder stroke: 50mm
Required Performance
- Positioning accuracy: ±0.2
Selection Criteria for Main Components
- Spring pin tip is removable. The tip shape can be changed to suite the targeted workpiece.
Design Evaluation
Verification of main components
- Selection of spring pin load
- The PC board is 1.6mm thick, and approx. 7N force is needed to correct seating.⇒ SPPL8-6 is selected.
Other Design Consideration
- Taper tipped pins are used as a rough guide and work with the external profile guide to accurately position the work piece.
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