Question: A shaft made of mild steel is keyed to a cone clutch assembly. If it has a 2.5 IN diameter and rotates at 1375

A shaft made of mild steel is keyed to a cone clutch

A shaft made of mild steel is keyed to a cone clutch assembly. If it has a 2.5 IN diameter and rotates at 1375 RPM. What will be the contact surface size in (MM) if the shaft can take up 5 times its normal yield of 66 ksi. The clutch cone angle is 12 degrees with a maximum diameter of 1.5 ft. Surface friction is at 0.32 and the normal pressure is at 21 psi.

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