Four gears arc attached to a circular shaft and transmit the torques shown in the figure. The allowable shear stress in the shaft is 10000 psi. a) Determine the net torsional moments in the sections AB, BC, CD and just at the outer edge of D. b) Determine the angle of twist between points A and C and between B and D. Assume that AB = BC = CD = 20 [in] and G = 80 [GPa]. Consider that the bar is solid with a diameter of 1.776 [in]

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A: please refer handwritten solution

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A:

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Q: Just Solve a Use Abaqus

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Design of Shafts and Shaft Components

The shaft is basically defined as the machine element that rotates, is in circular cross-section, it is majorly used to transfer the power from one part of the system to another, or from a power generating machine to a power absorbing machine. The shaft is supported on bearings and is rotated with the help of a set of gears or pulleys that are used for the power transmission. Bending moment, torsion, and an axial force act upon the shaft. Designing of shaft primarily involves determining stresses at a critical point in the shaft that is arising due to loading.