Question: In orthogonal machining the tool has rake angle 1 0 , chip thickness before cut is to = 0 . 0 2 in , and

In orthogonal machining the tool has rake angle 10, chip thickness before cut is to =0.02 in, and chip thickness after cut is tc =0.045 in. The cutting and thrust forces are measured at Fc =350 lb and Ft =285 lb while at a cutting speed of 200 ft/min. Determine the machining shear strain, shear stress, and cutting horsepower.

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