Failure analysis of ball bearing of an aeroengine

Suresh Kumar, M and Sujata, M and Madan, M and Venkataswamy, MA and Bhaumik, SK (2006) Failure analysis of ball bearing of an aeroengine. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

Examination revealed that misalignment in the assembly of the bearing resulted in the failure. Evidences suggest that the distance between the bearing housing and the flange of the shaft was smaller than that of the permissible limit. This has resulted in sliding of the balls on one of the shoulders of the groove of the inner and outer races. Because of this, there was severe stressing of the cage material leading to fracturing of the cage. Once this failure occurred, the balls and the outer race came out of the bearing assembly. No material abnormalities in the bearing assembly were responsible for the failure

Item Type: Proj.Doc/Technical Report (Project Report)
Subjects: CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Division/Department: Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division
Depositing User: Raghavendra R chandu
Date Deposited: 20 Jul 2011 10:50
Last Modified: 20 Jul 2011 10:50
URI: http://nal-ir.nal.res.in/id/eprint/9465

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