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

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

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

Torsion

In mechanical engineering, torque, torsion, and twisting moment are three of the most important concepts which have different meanings. Torque is the consequence of a moment of a force that produces an angular acceleration in a body or induces rotational kinetic energy in a body. For instance, in an automobile, the power transmission shaft is a body that is always under rotation due to the external torque acting on it, this torque is created by the engine.

Question

I need a step by step answer please

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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Step 1: step 1 calculating R1 and R2 , bending stress at B

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Step 2: step 2- fatigue stress correlation for bending, uncorrected endurance limit surface finish factor

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Step 3: step 3 calculating size factor, load factor, corrected endurance limit

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Step 5: step 5- life of the part

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Step 6: step 6 shear force diagram and bending moment diagram

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