Steel, 1/8 inch, 1 inch diameter
Material Shear Strength (psi): 60,000 psi; Material Thickness (inches): 0.125 inches; Hole Perimeter (inches): 3.14 inches
Punch Force Required (pounds): 23,550 pounds
Punch Force Calculator
Construction0.0(0)
Calculates the estimated force needed to punch a hole in a material. This is based on the material's shear strength, the thickness of the material, and the perimeter of the hole.
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Material Shear Strength (psi), Material Thickness (inches), and Hole Perimeter (inches) in the units shown.
Step 2
Read Punch Force Required (pounds) in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Aluminum, 1/16 inch, 0.5 inch diameter
Material Shear Strength (psi): 25,000 psi; Material Thickness (inches): 0.0625 inches; Hole Perimeter (inches): 1.57 inches
Punch Force Required (pounds): 2,453.125 pounds
Mild Steel, 1/4 inch, 2 inch diameter
Material Shear Strength (psi): 45,000 psi; Material Thickness (inches): 0.25 inches; Hole Perimeter (inches): 6.28 inches
Punch Force Required (pounds): 70,650 pounds
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