Two shafts of diameter 30 mm each are connected by a flange coupling. Six bolts, each of diameter 8 mm, are used on a pitch circle of diameter 90 mm. If the allowable shear stress of the bolt material is 80 mpa, what is the torque-transmitting capacity of the bolts to the nearest 10 units
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Answer:
The allowable shear stress in bolt
Area of the bolt
d is the nominal diameter of the bolt
Torque transmitting capacity of the bolts is,
Where, F is the force acting on each bolt, D is the pitch circle diameter of the bolts and N is the number of bolts.
Calculation:
Given, Pitch circle diameter of flange, D = 90 mm Diameter of bolts d = 8 mm
F = 4021.25 N
Torque transmitting capacity of the bolts is
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