(14) The figure shows a formed round-wire cantilever spring(Sui = 188.1 kpsi) subjected to a varying force. It is apparent from the= 30 Ibfmax-16 inFmin= 15 lbf-글in D.79Mechanical Engineering Designmounting details that there is no stress concentration. A visualinspection of the springs indicates that the surface finish correspondsclosely to a hot-rolled finish. Estimate the factors of safety n, and nfusing (a) Modified Goodman criterion, and (b) Gerber criterion.(Ans./ ng = 0.955, 1.2)

Given that, Sut=188.1 kpsi,Fmax=30 lbf,Fmin=15 lbf,…

Answered: (14) The figure shows a formed…

(14) The figure shows a formed round-wire cantilever spring (Sut = 188.1 kpsi) subjected to a varying force. It is apparent from the F = 30 lbf -16 in- Fmin = 15 lbf

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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Question

(14) The figure shows a formed round-wire cantilever spring
(Sui = 188.1 kpsi) subjected to a varying force. It is apparent from the
= 30 Ibf
max
-16 in
Fmin
= 15 lbf
-글in D.
79
Mechanical Engineering Design
mounting details that there is no stress concentration. A visual
inspection of the springs indicates that the surface finish corresponds
closely to a hot-rolled finish. Estimate the factors of safety n, and nf
using (a) Modified Goodman criterion, and (b) Gerber criterion.
(Ans./ ng = 0.955, 1.2)

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