A flange coupling having six bolts on a pitch circle radius of 300 mm connects two hollow shafts with an outside diameter of 400 mm. The diameter of each bolt is 65 mm and the limiting shear stresses in the bolts are to be the same as that for the shafts, (a) Calculate the inside diameters of the shafts, (b) Take G as 80 GPa and calculate the angle of twist in degrees over a shaft length of 5 m for a working stress of 60 MPa.

A flange coupling having six bolts on a pitch circle radius of 300 mm connects two hollow shafts with an outside diameter of 400 mm. The diameter of each bolt is 65 mm and the limiting shear stresses in the bolts are to be the same as that for the shafts, (a) Calculate the inside diameters of the shafts, (b) Take G as 80 GPa and calculate the angle of twist in degrees over a shaft length of 5 m for a working stress of 60 MPa.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.3P: A motor driving a solid circular steel shaft with diameter d = 1.5 in, transmits 50 hp to a gear at...

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A motor driving a solid circular steel shaft with diameter d = 1.5 in, transmits 50 hp to a gear at B, The allowable shear stress in the steel is 6000 psi. Calculate the required speed of rotation (number of revolutions per minute) so that the shear stress in the shaft does not exceed the allowable limit.
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