At a machined rotating shaft has a shoulder of small diameter d=28 mm, the large diameterD=42 mm, and the fillet radius is 2.8 mm. The bending moment is 142 N· m and the steady torsionmoment is 124 N· m. The heat-treated steel shaft has an ultimate strength of Su = 724 MPa and ayield strength of Sy = 566 MPa. The reliability goal, R= 0.99.(a) Determine the fatigue factor of safety of the design using DE-Goodma(b) Determine the yielding factor of safety.

Given; At a machined rotating shaft has a small shoulder ofSmall diameter, d=28 mmlarge diameter,…

Answered: Determine the fatigue factor of safety…

Engineering

Mechanical Engineering

Determine the fatigue factor of safety of the design using DE-Goodman criterion

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

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

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At a machined rotating shaft has a shoulder of small diameter d=28 mm, the large diameter
D=42 mm, and the fillet radius is 2.8 mm. The bending moment is 142 N· m and the steady torsion
moment is 124 N· m. The heat-treated steel shaft has an ultimate strength of Su = 724 MPa and a
yield strength of Sy = 566 MPa. The reliability goal, R= 0.99.
(a) Determine the fatigue factor of safety of the design using DE-Goodma
(b) Determine the yielding factor of safety.

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