In the figure below the shaft is simply supported in ball bearings at A and D. The shaft rotates and the stationary load F is 6.8 kN. All fillets have a 3-mm radius. The shaft is machined from AISI 1050 cold- drawn steel. Estimate the life of the part. Repeat with: working temp T=330 °C, reliability R=90% 30 A R₁ 10 - 250 32 B 75 6.8 kN | 38 C -100 125 D 10->> -35 R₂ 30

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Fatigue and Variable Loading
Example 4
In the figure below the shaft is simply supported in ball bearings at A and D.
The shaft rotates and the stationary load F is 6.8 kN.
All fillets have a 3-mm radius. The shaft is machined from AISI 1050 cold-
drawn steel. Estimate the life of the part.
Repeat with: working temp T=330 °C, reliability R=90%
30
A
R₁
10
250
32
B
75
(a)
6.8 kN
|--100-
38
C
125
10-
-35
D
Transcribed Image Text:Fatigue and Variable Loading Example 4 In the figure below the shaft is simply supported in ball bearings at A and D. The shaft rotates and the stationary load F is 6.8 kN. All fillets have a 3-mm radius. The shaft is machined from AISI 1050 cold- drawn steel. Estimate the life of the part. Repeat with: working temp T=330 °C, reliability R=90% 30 A R₁ 10 250 32 B 75 (a) 6.8 kN |--100- 38 C 125 10- -35 D
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