Calculate the machining time required to reduce 60 mm diameter Shaft to 50 mm diameter
for a length of 1500 mm with depth of cut of 2 mm for rough cut and 1 mm for finish cut.
Given: cutting speed = 30 m/min, feed = 0.5 mm/rev, approach length = 5 mm, overrun
length = 5 mm, number of passes = 3 (2 rough cut + 1 finish cut).
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