Question: Shear strength: The cutting force and thrust force have been measured in an orthogonal cutting operation to be 301 lb and 291 lb, respectively.

Shear strength: The cutting force and thrust force have been measured in an orthogonal cutting operation to be 301 lb and 291 lb, respectively. The rake angle = 12, width of cut = 0.400 in, chip thickness before the cut = 0.018 in, and chip thickness ratio = 0.40. Determine (a) the shear strength of the work material and (b) the coefficient of friction in the operation.

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