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A 3 in cylindrical billet is to be reduced to 2.5 in over a length of 30 in. If the lathe operational parameters are
A 3 in cylindrical billet is to be reduced to 2.5 in over a length of 30 in. If the lathe operational parameters are a speed of 150 rpm, feed rate of 5 in/min, a cutting force of 800 lbf, and a tool efficiency of 87%. Determine the tool life in min to two decimal places.
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