A circular wire is drawn through a die having 160
degrees die angle.
Considering only the conical portion of die, determine the maximum possible
reduction in area of cross-section if coefficient of friction is 0.08. The material
does not work harden. Also, find optimum die-angle. The average yield stress
under plain strain is 0.05374N/mm2
.
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Sorry, l can't answer the above questions
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