Find the minimum number of step angles in the stepping motor

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Reference no: EM131255457

The positioning table for a component insertion machine uses a stepping motor and leadscrew mechanism. The design specifications require a table speed of 40 in/min and an accuracy = 0.0008 in. The pitch of the leadscrew = 0.2 in, and the gear ratio = 2:1 (two turns of the motor for each turn of the leadscrew). The mechanical errors in the motor, gear box, leadscrew, and table connection are characterized by a normal distribution with standard deviation = 0.0001 in. Determine

(a) the minimum number of step angles in the stepping motor, and

(b) the frequency of the pulse train required to drive the table at the desired maximum speed.

Reference no: EM131255457

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