A collar bearing C is supported by a fixed annular plate. The axial load on the shaft is F = 600 N, and the coefficient of kinetic friction between the collar and the plate is uk = 0.3. The area of contact has an inside diameter of D₁ = 60 mm, and the outside diameter is D₂ = 180 mm. Determine the torque required to rotate the shaft at a constant rate.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.56P: The square-threaded screw 0f the C-clamp has a mean diameter of 8 mm and a pitch of 1.6 mm. The...
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A collar bearing C is supported by a fixed annular plate. The axial load on
the shaft is F = 600 N, and the coefficient of kinetic friction between the
collar and the plate is μ = 0.3. The area of contact has an inside diameter of
D₁ = 60 mm, and the outside diameter is D₂ = 180 mm. Determine the torque
required to rotate the shaft at a constant rate.
C
F
M
C
F
D₁ -
D₂
M
Transcribed Image Text:A collar bearing C is supported by a fixed annular plate. The axial load on the shaft is F = 600 N, and the coefficient of kinetic friction between the collar and the plate is μ = 0.3. The area of contact has an inside diameter of D₁ = 60 mm, and the outside diameter is D₂ = 180 mm. Determine the torque required to rotate the shaft at a constant rate. C F M C F D₁ - D₂ M
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