Location of maximum bending stress in the shaft

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Reference no: EM1313207

Question: The shaft shown below has a solid round cross-section & is supported by bearing at A & B. The nominal forces on the gears at C, D & E are also shown. The force on the gear at C varies± 5% from its nominal value. The shaft material is made of cold drawn steel with tensile yield strength of 36 ksi & an ultimate tensile strength of 58 ksi.

Determine following:

The location of maximum bending stress in the shaft
The diameter of the shaft for a 2.0 factor of safety for yielding using the maximum shear stress theory and the distortion energy theory at the location of maximum bending stress
FBD and bending moment diagrams
The deflection of the shaft at D in the z-direction and the x-direction
The factor of safety for fatigue (infinite life) with 95% reliability for the diameter determined above and at the location of maximum bending stress

Reference no: EM1313207

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