Adisk brake has two pads which cover 45 degrees of the disk. the outside radius is 6.0 inch and the inside radius is 4.0 inch. assume a coefficient of friction of 0.4, and a max pressure, pa=100 psi. a) find the force required to apply one pad. b) find the torque capacity for both pads.

f = 628.32 lb

t = 2513.28 lb-inc

Explanation:

given data:

θ = 45°

outside radius = 6 inch

inside radius = 4 inch

coefficient of friction = 0.4

max pressure = 100 psi

a) determine force required for applying one pad

f =    

f =

f = 628.32 lb

b) torque capacity (t)

t =

t = 0.4 *628.32*5

torque = 1256.64 lb-inc

for both pad = 2 * 1256.64 =2513.28 lb-inc

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