An electric motor-driven power screw moves a nut in a horizontal plane against a force of 87
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Question:
An electric motor-driven power screw moves a nut in a horizontal plane against a force of 87 kN at 50 rpm (assume raise load). The screw has a single square thread of 6 mm pitch on a mean diameter of 42 mm. The coefficient of friction at screw threads is 0.1. Estimate the power of the motor in kW without considering collar torque. Express your answer to at least two (2) decimal places.
Related Book For
Smith and Roberson Business Law
ISBN: 978-0538473637
15th Edition
Authors: Richard A. Mann, Barry S. Roberts
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