Write legibly, provide given, step by step manual solution , and diagram for below problem. Determine the maximum diameter of a taper pin for use to fix a lever to a shaft, if it is to transmit a maximum torque of 750 in-lbs. The shaft diameter is 3 inches and the material allowable stress is 17000 psi. Use factor of safety of 2. (Ans. d = 0.1935 in)

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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.