Q1) A 8 diametral pitch 20-tooth 25" straight bevel pinion driving a 40-tooth gear. The pinion rotates at 1200 rev/min and transmits 4 hp. Dimensions in inches. Shaft a has a diameter of 0.25 inch and the axia (thrust load) will be supported completely by bearing B. 1- Determine the fatigue factor of safety for shaft a using all failure criteria given that Sut = 500 MP: S, = 300 MPa, S. = 250 MPa and K, = 1.5 and K, = 1.25. 2- Select a single row 02-Series angular contact ball bearing for bearing B. You must start you iteration using X2 = 0.56 and Y2 = 2.3.
Q1) A 8 diametral pitch 20-tooth 25" straight bevel pinion driving a 40-tooth gear. The pinion rotates at 1200 rev/min and transmits 4 hp. Dimensions in inches. Shaft a has a diameter of 0.25 inch and the axia (thrust load) will be supported completely by bearing B. 1- Determine the fatigue factor of safety for shaft a using all failure criteria given that Sut = 500 MP: S, = 300 MPa, S. = 250 MPa and K, = 1.5 and K, = 1.25. 2- Select a single row 02-Series angular contact ball bearing for bearing B. You must start you iteration using X2 = 0.56 and Y2 = 2.3.
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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Transcribed Image Text:Q1) A 8 diametral pitch 20-tooth 25° straight bevel pinion driving a 40-tooth gear. The pinion rotates at
1200 rev/min and transmits 4 hp. Dimensions in inches. Shaft a has a diameter of 0.25 inch and the axial
(thrust load) will be supported completely by bearing B.
1- Determine the fatigue factor of safety for shaft a using all failure criteria given that Sut = 500 MPa,
S, = 300 MPa, S. = 250 MPa and K, = 1.5 and K, = 1.25.
2- Select a single row 02-Series angular contact ball bearing for bearing B. You must start your
iteration using X2 = 0.56 and Y2 = 2.3.
3
16
91
2.
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