Repeat Prob 633 ignoring curvature effects on the bending stress Repeat Prob 633, The torsional coupling in the figure is composed of a curved beam of square cross section that is welded to an input shaft and output plate A torque is applied to the shaft and cycles from zero to T The cross section of the beam has dimensions of 3 16 Atilde 3 16 in, and the centroidal axis of the beam describes a curve of the form r 0 75 0 4375 Icirc cedil Iuml , where r and Icirc cedil are in inches and radians, respectively (0 curren Icirc cedil curren 4 Iuml ) The curved beam has a machined surface with yield and ultimate strength values of 60 and 110 kpsi, respectively (a) Determine the maximum allowable value of T such that the coupling will have an infinite life with a factor of safety, n 3, using the modified Goodman criterion (b) Repeat part (a) using the Gerber criterion (c) Using T found in part (b), determine the factor of safety guarding againstyield 16 2 5 (Dimensions in inches

Question: Repeat Prob. 633 ignoring curvature effects on the bending stress. Repeat Prob. 633, The torsional coupling in the figure is composed of a curved beam

Repeat Prob. 6€“33 ignoring curvature effects on the bending stress.
Repeat Prob. 6€“33, The torsional coupling in the figure is composed of a curved beam of square cross section that is welded to an input shaft and output plate. A torque is applied to the shaft and cycles from zero to T. The cross section of the beam has dimensions of 3/16 Ã— 3/16 in, and the centroidal axis of the beam describes a curve of the form r = 0.75 + 0.4375 Î¸/Ï€, where r and Î¸ are in inches and radians, respectively (0 ‰¤ Î¸ ‰¤ 4Ï€). The curved beam has a machined surface with yield and ultimate strength values of 60 and 110 kpsi, respectively.
(a) Determine the maximum allowable value of T such that the coupling will have an infinite life with a factor of safety, n = 3, using the modified Goodman criterion.
(b) Repeat part (a) using the Gerber criterion.

16 2.5 (Dimensions in inches

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