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The rotating shaft shown in the figure is machined from AISI 1020 CD steel. It is subjected to a force of F=6 kN.


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The rotating shaft shown in the figure is machined from AISI 1020 CD steel. It is subjected to a force of F=6 kN. Find the maximum factor of safety for fatigue based on infinite life. If the life is not infinite, estimate the number of cycles. Be sure to check for yielding. All dimensions are in mm.

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