A shaft made of steel has the following minimum properties Se = 278 MPa, Sy = 412 MPa, and Sut = 551 MPa.The shaft is transmitting fixed torsional stress of 142 MPa and is subject to an alternating bending stress of 83 MPa.Find the factor of safety guarding against fatigue failure using Modified Goodman criterion.accepted answer range (+/- 0.2).%3D

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Answered: A shaft made of steel has the following…

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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Please Explain How you Get Kt? What's d=40 there? Sut=800MPa by machining method in the figure, Shaft variable M made of a steel with Sy3640MPa subjected to moments. 50% confidence status n=2 safety according to Goodman fatigue damage criterion for the maximum moment M to be applied to the shaft. find it. 5-mm rad. 4M 4M 60 mm 50 mm M M
(b) Figure 6(b) shows a cantilever shaft made of steel subjected to several loading T = 5kNm, M = 2.5kNm, and P = 120kN. If the diameter of the shaft is 60mm, and the yield stress is 310MPA, calculate the safety of factor of the shaft using the Von Mises yield criterion.
Please give proper and step by step solution. solid circular shaft is subjected to a bending moment of 300 kNm, a twisting moment of 125 kNm. If the yield stress of the shaft material is 350 N/mm², determine the diameter of the shaft according to the maximum shearing stress theory of failure.
A cylindrical steel shaft is required to transmit a bending moment of 1000 Nm and a torque of 2200 Nm with a safety factor against yielding of 3. If the steel has a yield stress of 250 MPa, find the minimum permissible diameter for the shaft. Use von Mises’ theory of yielding.
Figure shows a cantilever shaft made of steel subjected to several loadingT=5kNm, M=2.5kNm, and P=120kN. If the diameter of the shaft is 60mm, and the yield stress is 310MPa, calculate the safety of factor of the shaft using the Von Mises yield criterion.
2. A 1020 CD steel shaft (Sy=390 MPa) is used to transmit 20 kW of power at 1200 rpm. There are no bending or axial loads on the shaft. It is desired to have a static factor of safety of 2 based on the Distortion Energy theory. Determine the minimum diameter needed for the shaft. Power, P= To Pure torsion, relationship between T and t Torsional stress
A simply supported shaft is shown in figure below. A constant magnitude distributed unit load p=1000 Nicm is applied as the shaft rotates subject to a time-varying repeated torque that varies with maximum value of Tmar=2000 N.m. Find the diameter of shaft required to obtain a safety factor of 2 in fatigue loading if the shaft is steel of S =745 MPa and S, = 427 MPa. The dimensions (I= 20, b = 18 and a = 16) are in cm.
Problem 3: A hot rolled steel shaft is subjected to a torsional load that varies from 3000 in-lb clockwise to 1000 in-lb counterclockwise as an applied bending moment at a critical section varies from + 4000 in-lb to 2000 in-lb. The shaft is of uniform cross section and no keyway is present at the critical sec- tion. Determine the required shaft diameter. The material has an ultimate strength of 80,000 psi and a yield strength of 60,000 psi. Base design on a factor of safety N=1.5. Take the endurance limit as half the ultimate strength.
Compute for the induced compressive stress in kPa, of a steel shafting of 59 mm diameter and 954 m in length that issubjected to an increase of temperature of 88ºC. Use 6.5x10-6/F, E = 30x106 psi.
The figure shows a section of a shaft made of annealed steel with yield strength of 600 MPa and ultimate tensile strength of 700 MPa. Diameters of the shaft are D=30 mm and d=20 mm. Fillet radius of the shoulder section is 2.5 mm. The shaft is rotating and subjected to steady bending moment of M=51 Nm, steady torsion of T=58 Nm and steady axial load of F=14 kN. The operating temperature of the shaft is 20 ᵒC and reliability is 99%. The shaft has ground surface. Calculate the alternating component of the normal stress (in MPa). (If there is no alternating component of the normal stress, enter "0" in the answer box)
The static shaft shown below is machined from aluminum 6082-T6. It is subjected to a static force of P=20 kN, T1=50 Nm, T2=50 Nm (Assume there is no buckling, Sut=240 Mpa, oy= 200 Mpa, E=70 Gpa). a) Find out the factor of safety using appropriate failure criteria. b) Determine the critical point(s) of the shaft -100 mm T2 d=20 mm P. T1

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