Determine the rotational speed of the motor

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Reference no: EM131452590

Question: A milling operation is performed on an NC machining center. Total travel distance = 300 mm in a direction parallel to one of the axes of the worktable. Cutting speed = 1.25 m/sec and chip load = 0.05 mm. The end milling cutler has four teeth and its diameter = 20.1) mm. The axis uses a de servomotor whose output shaft is coupled to a leadscrew with pitch = 6.0 mm. The feedback sensing device is an optical encoder that emits 250 pulses per revolution. Determine

(a) the feed rate and time to complete the cut,

(b) the rotational speed of the motor, and

Reference no: EM131452590

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