Define the gear ratio, The positioning table for a

Define the gear ratio

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Reference no: EM131452639

Question: The positioning table for a component insertion machine uses a stepping motor and lead-screw mechanism. The design specifications require a table speed of 0.4 m/sec and an accuracy = 0.02 mm. The pitch of the lead-screw a 5.0mm, and the gear ratio is 2:1(2 turns of the motor for each turn of the lead-screw). The mechanical errors in the motor, gear box, lead-screw, and table connection are characterized by a normal distribution with standard deviation = 0.0025 mm. 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: EM131452639

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