For the design of the band brake shown, find the couple M required to turn the pipe in the V-block against the action of the flexible band. A force P = 31 lb is applied to the lever, which is pivoted about O. The coefficient of friction between the band and the pipe is 0.26, and that between the pipe and the block is 0.35. the weights of the parts are negligible. TOB M * 10" 35° 35° Ola 5" Answer: M = the tolerance the tolerance is +/-5% lb-in. 16"

For the design of the band brake shown, find the couple M required to turn the pipe in the V-block against the action of the flexible band. A force P = 31 lb is applied to the lever, which is pivoted about O. The coefficient of friction between the band and the pipe is 0.26, and that between the pipe and the block is 0.35. the weights of the parts are negligible. TOB M * 10" 35° 35° Ola 5" Answer: M = the tolerance the tolerance is +/-5% lb-in. 16"

Residential Construction Academy: House Wiring (MindTap Course List)

5th Edition

ISBN:9781337402415

Author:Gregory W Fletcher

Publisher:Gregory W Fletcher

Chapter4: Test And Measurement Instruments Used In Residential Wiring

Section: Chapter Questions

Problem 12RQ

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Question

For the design of the band brake shown, find the couple M required to turn the pipe in the V-block against the action of the flexible
band. A force P = 31 lb is applied to the lever, which is pivoted about O. The coefficient of friction between the band and the pipe
is 0.26, and that between the pipe and the block is 0.35. the weights of the parts are negligible.
B
M
*
10"
45%
00
35° 35° 5
A
Answer: M = |
the tolerance the tolerance is +/-5%
lb-in.
16"
P

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