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 CD steel. The shaft is rotating at speed of 1000 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. y A 300 lbf 8 in 6-in D. 50 lbf B 8-in D. 8 in 59 lbf 392 lbf D C 6 in X

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 CD steel. The shaft is rotating at speed of 1000 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. y A 300 lbf 8 in 6-in D. 50 lbf B 8-in D. 8 in 59 lbf 392 lbf D C 6 in X

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

please do it correctly

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 CD steel. The shaft is rotating at speed of
1000 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.
y
A
300 lbf
8 in
6-in D.
50 lbf
B
8-in D.
8 in
59 lbf
392 lbf D
C 6 in
X

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