The below figure is for a rotating shaft loaded in completely reversed bending by the the...
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The below figure is for a rotating shaft loaded in completely reversed bending by the the 1100 N and 5000 N forces. Rotating speed of the shaft is 960 rpm and the shaft is made of 34CrMo4 (EN 10083) in quenched and tempered condition with a ground finish in critical places. The shaft has 1.5 mm shoulder fillets. a) Draw shear force and bending moment diagrams and calculate the stress at the most critical point. b) Based on an infinite life, find the factor of safety by using Goodman Equation. c) If shaft has not an infinite life, calculate life for the shaft in terms of cycles and in terms of minutes by using generalized S - log N curve. 75 175 100 F1= 1100 N F2= 5000 N 25 150 150 810 The below figure is for a rotating shaft loaded in completely reversed bending by the the 1100 N and 5000 N forces. Rotating speed of the shaft is 960 rpm and the shaft is made of 34CrMo4 (EN 10083) in quenched and tempered condition with a ground finish in critical places. The shaft has 1.5 mm shoulder fillets. a) Draw shear force and bending moment diagrams and calculate the stress at the most critical point. b) Based on an infinite life, find the factor of safety by using Goodman Equation. c) If shaft has not an infinite life, calculate life for the shaft in terms of cycles and in terms of minutes by using generalized S - log N curve. 75 175 100 F1= 1100 N F2= 5000 N 25 150 150 810
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Related Book For
Principles of heat transfer
ISBN: 978-0495667704
7th Edition
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
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