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Loudness and Pitch

A stepping mo...

Question

A stepping motor of 200 steps per revolution is mounted on the lead screw of a drilling machine. If the pitch is 2.54 mm/rev and if the motor receives a pulse frequency of 2000 Hz then the BLU(mm) and the speed of the table(mm/min)____.

A

1895

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B

1524

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C

1670

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D

1500

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Solution

The correct option is B 1524
(a) BLU = 2.54/200 = 0.0127 mm

(b) Table speed = (p)(RPM)

= (2.54)(60)(2000)/200

= 1524 mm/min

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