Question: A shaft 150. mm long with an initial diameter of 15. mm is to be turned to a diameter of 13.0 mm in a lathe.

A shaft 150. mm long with an initial diameter of 15. mm is to be turned to a diameter of 13.0 mm in a lathe. The shaft rotated at 750. RPM in the lathe and the cutting tool feed rate is 100. mm/minute. Determine:

a. The cutting speed

b. The material removal rate

c. The time required to machine the shaft

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