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# PE#8 - M P is 100 lb-ft The coefficient of friction μ s...

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EGM 2511 Exam 2 Fall 2XXX NAME (Last, First) ___________________________________ HW #25 Section _________________ sorting no: PE# 8 A flat belt connects a pulley that drives a machine tool to another pulley, which is attached to the shaft of an electric motor. The motor and belt also supply power to an auxiliary lubrication pump as shown. The torque exerted by the machine tool, M T , is 320 lb-ft, and the torque required to drive the pump,
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Unformatted text preview: M P , is 100 lb-ft. The coefficient of friction μ s between the motor pulley and the belt is 0.25. a) Determine the tensions T 1 , T 2 and T 3 in the various parts of the belt. b) What is the torque, M M , exerted by the motor? c) Determine the minimum μ s required between the belt and the pulley on the machine tool. d) Determine the minimum μ s required between the belt and the pulley on the pump....
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