Problem 2: A shaft is to be fitted with a flanged coupling having 6 bolts on a circle of diameter 150 mm and 4 bolts on a circle of diameter 100 mm. The shaft may be subjected to either a direct tensile load of 400 kN or a twisting moment of 18 kN-m. If the maximum direct tensile and shearing stresses permissible in the bolt material are 125 MPa and 55 MPa respectively. Find the minimum diameter of the bolt required. Assume that each bolt takes an equal share of the load or torque. Shaft Outer bolt circle Shaft Bolt Inner bolt Flange circle

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Problem 2: A shaft is to be fitted with a flanged
coupling having 6 bolts on a circle of diameter 150 mm
and 4 bolts on a circle of diameter 100 mm. The shaft
may be subjected to either a direct tensile load of 400
kN or a twisting moment of 18 kN-m. If the maximum
direct tensile and shearing stresses permissible in the
bolt material are 125 MPa and 55 MPa respectively.
Find the minimum diameter of the bolt required.
Assume that each bolt takes an equal share of the
load or torque.
Outer bolt
Shaft
circle
Shaft
Bolt
Inner bolt
Flange
circle
Transcribed Image Text:Problem 2: A shaft is to be fitted with a flanged coupling having 6 bolts on a circle of diameter 150 mm and 4 bolts on a circle of diameter 100 mm. The shaft may be subjected to either a direct tensile load of 400 kN or a twisting moment of 18 kN-m. If the maximum direct tensile and shearing stresses permissible in the bolt material are 125 MPa and 55 MPa respectively. Find the minimum diameter of the bolt required. Assume that each bolt takes an equal share of the load or torque. Outer bolt Shaft circle Shaft Bolt Inner bolt Flange circle
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