Question

Cold upset forging of a cylindrical billet of initial height 70 mm and initial diameter 40 mm, results in a final reduced height of 50 mm. The material of the billet has flow stress given by the expression: MPa. The coefficient of friction between the billet and die surfaces can be assumed to be 0.2. What is the forging force required at the reduced height?

Answer 1

Answer:

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Explanation:

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