For the drum brake shown in the following figure, there is an inner rim diameter of 280 mm and dimension a = 90 mm. The shoes have a face width of 30 mm. The force exerted by the cylinder hydraulic is 1000 N and the average coefficient of friction is 0.3. Determine: a) The maximum pressure in each shoe; b) The braking torque; c) Reactions resulting from the pivot pin;

Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter37: Clutches
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Problem 14RQ: The surface of the pressure plate contacts the. a. transmission main shaft b. throwout bearing c....
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For the drum brake shown in the following figure, there is an inner rim diameter of 280 mm and dimension a = 90 mm. The shoes have a face width of 30 mm. The force exerted by the cylinder hydraulic is 1000 N and the average coefficient of friction is 0.3.

Determine:

a) The maximum pressure in each shoe;

b) The braking torque;

c) Reactions resulting from the pivot pin;

Hydraulic wheel cylinder
Drum
Return spring
www
Rotation
Adjusting
110°
cam
20
Brake lining
Anchor pins
-20°
Transcribed Image Text:Hydraulic wheel cylinder Drum Return spring www Rotation Adjusting 110° cam 20 Brake lining Anchor pins -20°
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