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The cold-drawn steel shaft has an ultimate strength of 1350 MPa, yield strength of 1200 MPa, and Brinell hardness of 385. The shaft is subjected to a completely reversed bending moment of 110 N.m, and a steady torsion of 70 N.m. Find the shaft diameter for an indefinite life using DE-Goodman failure criteria, and design safety factor of 2.2. For the first trial, use shaft diameter d, = 20 mm, K = 1.98 and Ks = 1.49. Show all calculations.

The cold-drawn steel shaft has an ultimate strength of 1350 MPa, yield strength of 1200 MPa, and Brinell hardness of 385. The shaft is subjected to a completely reversed bending moment of 110 N.m, and a steady torsion of 70 N.m. Find the shaft diameter for an indefinite life using DE-Goodman failure criteria, and design safety factor of 2.2. For the first trial, use shaft diameter d, = 20 mm, K = 1.98 and Ks = 1.49. Show all calculations.

Elements Of Electromagnetics
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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The shaft shown below has to be designed using relative sizes d = 0.85D and r= 0.05D. The cold-drawn steel shaft has an ultimate strength of 1350 MPa, yield strength of 1200 MPa, and Brinell hardness of 385. The shaft is subjected to a completely reversed bending moment of 110 N.m, and a steady torsion of 70 N.m. Find the shaft diameter for an indefinite life using DE-Goodman failure criteria, and design safety factor of 2.2. For the first trial, use shaft diameter d, = 20 mm, K; = 1.98 and Kts = 1.49. %3D %3D Show all calculations. r
Transcribed Image Text:The shaft shown below has to be designed using relative sizes d = 0.85D and r= 0.05D. The cold-drawn steel shaft has an ultimate strength of 1350 MPa, yield strength of 1200 MPa, and Brinell hardness of 385. The shaft is subjected to a completely reversed bending moment of 110 N.m, and a steady torsion of 70 N.m. Find the shaft diameter for an indefinite life using DE-Goodman failure criteria, and design safety factor of 2.2. For the first trial, use shaft diameter d, = 20 mm, K; = 1.98 and Kts = 1.49. %3D %3D Show all calculations. r
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