If cutting speed 35 ms the tool must be changed every 3

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The workpart in a turning operation is 88 mm in diameter and 400 mm long. A feed rate of 0.25 mm/rev is used in the operation. If cutting speed = 3.5 m/s, the tool must be changed every 3 workparts; but if cutting speed = 2.5 m/s, the tool can be used to produce 20 pieces between tool changes. Determine the cutting speed that will allow the toll to be used for 50 parts between tool changes.

Reference no: EM13624597

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