A steel shaft rotates in a close-fitting polymeric bearing of hardness (50N/mm²) at a constant speed of (20 rev/min). The effective wear coefficient (K) is 102. Calculate the length of the bearing required to ensure that the radial penetration of the shaft into the bearing does not exceed (5 mm) in a running period of (500 hours) when the load is (10N).

A steel shaft rotates in a close-fitting polymeric bearing of hardness (50N/mm²) at a constant speed of (20 rev/min). The effective wear coefficient (K) is 102. Calculate the length of the bearing required to ensure that the radial penetration of the shaft into the bearing does not exceed (5 mm) in a running period of (500 hours) when the load is (10N).

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

Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.

Question

A steel shaft rotates in a close-fitting polymeric bearing of hardness (50N/mm?) at a constant speed
of (20 rev/min). The effective wear coefficient (K) is 102. Calculate the length of the bearing
required to ensure that the radial penetration of the shaft into the bearing does not exceed (5 mm)
in a running period of (500 hours) when the load is (10N).

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Step 2: TO CALCULATE THE LENGTH OF THE BEARING THAT RADIAL PANETRATION OF SHAFT INTO BEARING<=5mm

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