A milling cutter having 8 teeth is rotating at 150 rpm.

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A milling cutter having 8 teeth is rotating at 150 rpm. If the feed per tooth is 0.1 mm, the speed in mm per minute is

1. 120
2. 187
3. 125
4. 70

Correct Option: A

F = f_t ZN
= 0.1 × 8 × 150
F = 120mm/ min