Tool Design & Manufacturing Solutions
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Cutting Force Calculations

Cutting Force:

is the total force required by the machine to punch a hole in metal based on the material thickness, type and hole shape.
Calculating the cutting force is very important for checking whether the machine has enough tonnage to do the job without damaging the machine itself.
A common formula to determine the cutting force is by multiplying the material shear strength with the material thickness and the perimeter of the punch tool.

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Piercing & Blanking

PIERCING:
A shearing operation that creates an open hole in sheet metal by separating an interior section. The removed metal section is discarded scrap.
For piercing holes in stock, the size of the pierce punch governs the size of the hole and clearance is applied to the die. Continue reading