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1. A simply supported circular shaft shown in Figure 1 is made from hot rolled 1040 steel. AC=500mm, BC=1000mm. Diameter of the shaft is 10 mm for AC, 15mm for BC and has a fillet of radius 3 mm at C and 2 mm at B. It carries a gear at point C of diameter 200 mm and pressure angle of 20° and transmits a constant power of 1kW at 3000 rpm. (a) Determine the stress state on the critical element. (b) Determine the factor of safety using Goodman criteria. (c) Check for first cycle yield. (d) Determine the cycles to failure if not designed for infinite life. A > ☑ C Figure 1 B

1. A simply supported circular shaft shown in Figure 1 is made from hot rolled 1040 steel. AC=500mm, BC=1000mm. Diameter of the shaft is 10 mm for AC, 15mm for BC and has a fillet of radius 3 mm at C and 2 mm at B. It carries a gear at point C of diameter 200 mm and pressure angle of 20° and transmits a constant power of 1kW at 3000 rpm. (a) Determine the stress state on the critical element. (b) Determine the factor of safety using Goodman criteria. (c) Check for first cycle yield. (d) Determine the cycles to failure if not designed for infinite life. A > ☑ C Figure 1 B

Understanding Business
Understanding Business
12th Edition
ISBN:9781259929434
Author:William Nickels
Publisher:William Nickels
Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment
Section: Chapter Questions
Problem 1CE
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1. A simply supported circular shaft shown in Figure 1 is made from hot rolled 1040 steel. AC=500mm, BC=1000mm. Diameter of the shaft is 10 mm for AC, 15mm for BC and has a fillet of radius 3 mm at C and 2 mm at B. It carries a gear at point C of diameter 200 mm and pressure angle of 20° and transmits a constant power of 1kW at 3000 rpm. (a) Determine the stress state on the critical element. (b) Determine the factor of safety using Goodman criteria. (c) Check for first cycle yield. (d) Determine the cycles to failure if not designed for infinite life. A > ☑ C Figure 1 B
Transcribed Image Text:1. A simply supported circular shaft shown in Figure 1 is made from hot rolled 1040 steel. AC=500mm, BC=1000mm. Diameter of the shaft is 10 mm for AC, 15mm for BC and has a fillet of radius 3 mm at C and 2 mm at B. It carries a gear at point C of diameter 200 mm and pressure angle of 20° and transmits a constant power of 1kW at 3000 rpm. (a) Determine the stress state on the critical element. (b) Determine the factor of safety using Goodman criteria. (c) Check for first cycle yield. (d) Determine the cycles to failure if not designed for infinite life. A > ☑ C Figure 1 B
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