5/4/11

calculation of shear stress of bolt joint of coupling connected to rotating shaft?


calculation of shear stress of bolt joint of coupling connected to rotating shaft?

-kirchwey
You'd have to know the torque transmitted through the joint. The shear force on the bolt is torque/radius. Stress is force/bolt area. If the bolt runs through the joint such that it receives force in two places of equal radius, you have twice the area, half the stress.

-draco4843 |
Let:
Q = the torque of the shaft in Newton- meters
D = diameter of bolt circle in meters
N = number of bolts
d = diameter of bolt in centimeters
V = shear force acting on a bolt in Newtons
v = shear stress in Newtons per cm^2

(1). V = 2Q/(D x N)

(2). v = V/((pi x d^2)/4)

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