The motor on the left provides a torque of 5500 N•m to the gear shaft shown. The motor runs machines connected to gears B, C and D requiring torques of 3000 N•m, 1500 N•m and 1000 N•m respectively. A, B, C and D are spaced 2000 mm apart and the diameter of the shaft is 75 mm. The shear modulus of the shaft material is 80x109 N/m2. Determine: Minimum diameter required (in millimeters) if the shearing stress in the shaft is limited to 100x106 N/m2 Rotation of D with respect to A Note: Draw the Free Body Diagram, Compute for all of the necessary elements, Include the units/dimensions
The motor on the left provides a torque of 5500 N•m to the gear shaft shown. The motor runs machines connected to gears B, C and D requiring torques of 3000 N•m, 1500 N•m and 1000 N•m respectively. A, B, C and D are spaced 2000 mm apart and the diameter of the shaft is 75 mm. The shear modulus of the shaft material is 80x109 N/m2. Determine: Minimum diameter required (in millimeters) if the shearing stress in the shaft is limited to 100x106 N/m2 Rotation of D with respect to A Note: Draw the Free Body Diagram, Compute for all of the necessary elements, Include the units/dimensions
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter11: Lower End Theory And Service
Section: Chapter Questions
Problem 11RQ: What is the purpose of a thrust main bearing?
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The motor on the left provides a torque of 5500 N•m to the gear shaft shown. The motor runs machines connected to gears B, C and D requiring torques of 3000 N•m, 1500 N•m and 1000 N•m respectively. A, B, C and D are spaced 2000 mm apart and the diameter of the shaft is 75 mm. The shear modulus of the shaft material is 80x109 N/m2.
Determine:
- Minimum diameter required (in millimeters) if the shearing stress in the shaft is limited to 100x106 N/m2
- Rotation of D with respect to A
Note: Draw the Free Body Diagram, Compute for all of the necessary elements, Include the units/dimensions, use the proper formula and round-off all the answers and final answers to 3 decimal places.
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