A press is used to punch 10 holes per minute of 30 mm diameter hole from 25 mm thick plate. Determine the power needed to punch a hole if ultimate shear stress is 400 Mpa. Determine the following: The maximum force required to punch a hole, kN  The power required to drive the press, kW

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Q: WITH DESCRIPTION AND STEPS APPLIED, TO HELP ME UNDERSTAND APPROPRIATELY

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