Question: Problem 4 ( 2 0 points ) A drilling operation is performed to create a through hole on a steel plate that is 2 0

Problem 4(20 points)
A drilling operation is performed to create a through hole on a steel plate that is 20 mm thick. Cutting speed is 0.5ms, and feed is 0.22mmrev. The 19-mm-diameter drill has a point angle of 118. Calculate (a) machining time and (b) material removal rate once the drill reaches its full diameter.
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Problem 4 ( 2 0 points ) A drilling operation is

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