Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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### Required Information

A rotating shaft of 25-mm diameter is simply supported by bearing reaction forces \( R_1 \) and \( R_2 \). The shaft is loaded with a transverse load of 13 kN as shown in the figure. The shaft is made from AISI 1045 hot-rolled steel. The surface has been machined.

**NOTE:** This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.

#### Diagram Explanation

The diagram illustrates a shaft supported by two bearings, \( R_1 \) and \( R_2 \). The diameter of the shaft is 25 mm. The shaft is subjected to a transverse load of 13 kN, positioned 200 mm from \( R_1 \) and 50 mm from \( R_2 \). The entire assembly portrays a shaft simply supported at two ends with a point load acting closer to one of the support bearings.

- **Dimensions:**
  - Shaft diameter: 25 mm
  - Distance between \( R_1 \) and the point of load application: 200 mm
  - Distance between the point of load application and \( R_2 \): 50 mm

The shaft diagram is not to scale.

### Task

Determine the minimum fatigue factor of safety based on achieving infinite life.

**The minimum fatigue factor of safety is: ___.**
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Transcribed Image Text:### Required Information A rotating shaft of 25-mm diameter is simply supported by bearing reaction forces \( R_1 \) and \( R_2 \). The shaft is loaded with a transverse load of 13 kN as shown in the figure. The shaft is made from AISI 1045 hot-rolled steel. The surface has been machined. **NOTE:** This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. #### Diagram Explanation The diagram illustrates a shaft supported by two bearings, \( R_1 \) and \( R_2 \). The diameter of the shaft is 25 mm. The shaft is subjected to a transverse load of 13 kN, positioned 200 mm from \( R_1 \) and 50 mm from \( R_2 \). The entire assembly portrays a shaft simply supported at two ends with a point load acting closer to one of the support bearings. - **Dimensions:** - Shaft diameter: 25 mm - Distance between \( R_1 \) and the point of load application: 200 mm - Distance between the point of load application and \( R_2 \): 50 mm The shaft diagram is not to scale. ### Task Determine the minimum fatigue factor of safety based on achieving infinite life. **The minimum fatigue factor of safety is: ___.**
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