It is required to reduce the diameter of a cylindrical work blank by 4 [mm]. The length of the work blank is 185 [mm] and the its diameter is 90 [mm]. The spindle speed is set to 111 [RPM] and the feed rate is set to 28 [mm/min]. Machining allowance is 1.9 [mm]. Machining time in [min] is then given by 6.7 5180.0 3.4 8.0 13.2​



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