Computer Science – Performance
Scientific paper
Sep 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.480..271l&link_type=abstract
In: Proceedings of the 9th European Space Mechanisms and Tribology Symposium, 19-21 September 2001, Liège, Belgium. Compiled by
Computer Science
Performance
Tribology
Scientific paper
In mechanisms where bearing offload systems are not used, ball bearings may be subjected to gapping and transient high contact stresses as a result of launch vibration. Despite the fact that such phenomena may cause bearing damage or degrade torque performance and lubricant life, the dynamic behaviour of bearings subjected to typical launch vibration has been little studied. This paper outlines recent and ongoing studies concerned with improving our understanding of the influence of vibration effects on ball bearings and their lubricant systems. In addition to outlining the test set-ups used and discussing test methodologies, an algorithm used to evaluate relative bearing ring displacements and deduce ball-raceway contact stresses under vibration is displayed. The paper will also present study results from recent work and ongoing work and their consequences for bearing users.
Lewis S. D.
Roberts E. W.
Sherrington I.
Söchting S.
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