You are in charge of designing a new fixture for a “universal testing machine” that will attach a tensile specimen to the machine using a clevis—a U-shaped piece with holes drilled through the two arms—and a cylindrical pin that passes through the clevis and the specimen. If the maximum load exerted by the machine is 30 kN and the pin is to be made of some sort of steel, what is the minimum pin diameter needed to ensure that the shear stress in the pin does not exceed 600 MPa? Assume that the steel has similar elastic properties to pure Fe.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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You are in charge of designing a new fixture for a
“universal testing machine” that will attach a tensile specimen to the machine using a clevis—a U-shaped piece with
holes drilled through the two arms—and a cylindrical pin
that passes through the clevis and the specimen. If the
maximum load exerted by the machine is 30 kN and the
pin is to be made of some sort of steel, what is the minimum
pin diameter needed to ensure that the shear stress in the pin
does not exceed 600 MPa? Assume that the steel has similar
elastic properties to pure Fe.

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