Question: The time to remove a square insert and index it to another new corner is 3 min, tool-life equation is VT^0.15 = 450, V =
The time to remove a square insert and index it to another new corner is 3 min, tool-life equation is VT^0.15 = 450, V = 300 fpm, operator wage and variable machine expenses are $60 per hour, Length = 8.5 in., Diameter = 8.6 in., and f = 0.02 ipr. If a four-corner insert for rough turning of cast iron cost $24, find the tool cost per operation
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