15 mm BI 30 mmy At 7 N-m Prob. 8–75
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The shaft has a square-threaded screw with a lead of 8 mm and a mean radius of 15 mm. If it is in contact with a plate gear having a mean radius of 30 mm, determine the resisting torque M on the plate gear which can be overcome if a torque of 7 N ⋅ m is applied to the shaft. The coefficient of static friction at the screw is μB = 0.2. Neglect friction of the bearings located at A and B.
Transcribed Image Text:15 mm
BI
30 mmy
At
7 N-m
Prob. 8–75
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