6. Fig. 14.17 shows a shaft from a hand-operated machine. The frictional torque in the journal bearings at A and B is 15 N-m each. Find the diameter (d) of the shaft (on which the pulley is mounted) using maximum distortion energy criterion. The shaft material is 40 C 8 steel for which the yield stress in tension is 380 MPa and the factor of safety is 1.5. [Ans. 20 mm] hley 7-1200N -100 N All dimenions in mm Tg 147

6. Fig. 14.17 shows a shaft from a hand-operated machine. The frictional torque in the journal bearings at A and B is 15 N-m each. Find the diameter (d) of the shaft (on which the pulley is mounted) using maximum distortion energy criterion. The shaft material is 40 C 8 steel for which the yield stress in tension is 380 MPa and the factor of safety is 1.5. [Ans. 20 mm] hley 7-1200N -100 N All dimenions in mm Tg 147

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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Concept explainers

Torsion

In mechanical engineering, torque, torsion, and twisting moment are three of the most important concepts which have different meanings. Torque is the consequence of a moment of a force that produces an angular acceleration in a body or induces rotational kinetic energy in a body. For instance, in an automobile, the power transmission shaft is a body that is always under rotation due to the external torque acting on it, this torque is created by the engine.

Question

6.
Fig. 14.17 shows a shaft from a hand-operated machine. The frictional torque in the journal bearings
at A and B is 15 N-m each. Find the diameter ( d) of the shaft (on which the pulley is mounted) using
maximum distortion energy criterion. The shaft material is 40 C 8 steel for which the yield stress in
tension is 380 MPa and the factor of safety is 1.5.
[Ans. 20 mm]
Pulley
Shaft
200
7,-1200 N
7-100 N
All dimenions in mm
Te 1437

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