Using the data below, you will get the parameters of punching
Material (KN/mm2) - material shear strength
Thickness (mm) - thickness of material to punch
Punching force (Tons) - total necessary force to execute the punch
* calculations are for punching
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| Punching force ( Tons ) | 0.00 |
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Common material's shear stretngth are as follows: unit: KN/mm2
| Aluminum | Brass | Low Carbon Steel | Stainless steel |
|---|---|---|---|
| 0.1724 | 0.2413 | 0.3447 | 0.5171 |
Punch Machine's Die Clearance Table
| Plate Thickness | Material | ||
|---|---|---|---|
| Mild steel | Aluminum | Stainless steel | |
| 0.8-1.6 | 0.15-0.2 | 0.15-0.2 | 0.15-0.3 |
| 1.6-2.3 | 0.2-0.3 | 0.2-0.3 | 0.3-0.4 |
| 2.3-3.2 | 0.3-0.4 | 0.3-0.4 | 0.4-0.6 |
| 3.2-4.5 | 0.4-0.6 | 0.4-0.5 | 0.6-1.0 |
| 4.5-6.0 | 0.6-0.9 | 0.5-0.7 | |
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