A factor of safety of 2.0 is required for a shaft experiencing an alternating moment of...
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A factor of safety of 2.0 is required for a shaft experiencing an alternating moment of 205 N.m, and a mean torque of 145 N.m. The endurance limit is 192 MPa, the ultimate tensile strength is 620 MPa, and the yield strength is 480 MPa. The fatigue stress concentration factors for bending and torsion are 1.55 and 1.38, respectively. a) Determine the nominal shaft diameter according to the DE modified Goodman, and DE ASME-elliptic criteria. d=01034 d=01032 b) On the o-'a diagram, plot the infinite-life Goodman line, the Yield (Langer) failure line and the load line. A factor of safety of 2.0 is required for a shaft experiencing an alternating moment of 205 N.m, and a mean torque of 145 N.m. The endurance limit is 192 MPa, the ultimate tensile strength is 620 MPa, and the yield strength is 480 MPa. The fatigue stress concentration factors for bending and torsion are 1.55 and 1.38, respectively. a) Determine the nominal shaft diameter according to the DE modified Goodman, and DE ASME-elliptic criteria. d=01034 d=01032 b) On the o-'a diagram, plot the infinite-life Goodman line, the Yield (Langer) failure line and the load line.
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Related Book For
Shigleys Mechanical Engineering Design
ISBN: 978-1121345317
9th edition
Authors: Richard G. Budynas, J. Keith Nisbett
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