In the figure, a steel shaft with ball bearings at points A and D, with cross-section narrowing at points C and D, a single load of 2 kN from B point not to rotate with the shaft, 0.1 kN/mm between points D and E so that it does not rotate together with the shaft. A distributed load of ' is applied. The shaft surface is ground and the shaft operates at room temperature with 50% reliability. Calculate the fatigue life of the shaft, taking into account the cross section narrowing point where the maximum moment occurs. All radus on the shaft are R2 mm.(Sut=690 MPa,f=0.9)

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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In the figure, a steel shaft with ball bearings at points A and D, with cross-section narrowing at points C and D, a single load of 2 kN from B point not to rotate with the shaft, 0.1 kN/mm between points D and E so that it does not rotate together with the shaft. A distributed load of ' is applied. The shaft surface is ground and the shaft operates at room temperature with 50% reliability. Calculate the fatigue life of the shaft, taking into account the cross section narrowing point where the maximum moment occurs. All radus on the shaft are R2 mm.(Sut=690 MPa,f=0.9)

2 kN
100
100
100
100
Ø32
Ø25
в
Ø25
-
A
E
0,1 kN/mm
Transcribed Image Text:2 kN 100 100 100 100 Ø32 Ø25 в Ø25 - A E 0,1 kN/mm
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