Punching Calculator

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

Common material’s shear stretngth are as follows: unit: KN/mm2

AluminumBrassLow Carbon SteelStainless steel
0.17240.24130.34470.5171

Punch Machine’s Die Clearance Table

Plate ThicknessMaterial
 Mild steelAluminumStainless steel
0.8-1.60.15-0.20.15-0.20.15-0.3
1.6-2.30.2-0.30.2-0.30.3-0.4
2.3-3.20.3-0.40.3-0.40.4-0.6
3.2-4.50.4-0.60.4-0.50.6-1.0
4.5-6.00.6-0.90.5-0.7 

 

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