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Punch Force Calculator
Calculate sheet metal punching and blanking force requirements
Punch Force Formula: $\text{Force} = \text{Perimeter} \times \text{Thickness} \times \text{Shear Strength}$. Standard formula calculates total tonnage needed for clean metal shearing.
Punch & Material Parameters
Calculation Results
⚠️ Punch force calculations assume sharp tooling clearance. Dull dies or worn punches increase required breakout force by 15-25%. Always select a press with adequate safety tonnage capacity.