Question: Calculate the force ( P ) a punch press must exert if it is to punch out a large washer from a strip of 5

Calculate the force (P) a punch press must exert if it is to punch out a large washer from a strip of 5mm thick sheet steel with an ultimate shear strength of 400MPa. The diameter of the washer is 50mm.6
Calculate the force ( P ) a punch press must

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