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(Solved): mechanical design 1 question The figure shows a shaft mounted in bearings at \( A \) and \( D \) and ...
mechanical design 1 question
The figure shows a shaft mounted in bearings at \( A \) and \( D \) and having pulleys at \( B \) and \( C \). The forces shown acting on the pulley surfaces represent the belt tensions. The shaft is to be made of AISI \( 1035 \mathrm{CD} \) steel. The shaft is rotating at speed of \( 1000 \mathrm{rpm} \). Find the minimum 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.