Question

A pass schedule in a (room temperature) tube drawing operation requires a tube of Ø 2.00??×0.100??

wall thickness to be drawn to Ø1.750??× 0.075??. The material is annealed copper. (K = 45,700 psi, n = 0.54)

Assume a drawing deformationefficiency of 65%.

a. Calculate the drawing stress.

b. Calculate the drawing force.

c. Show if this operation is possible or not.

Answer 1

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