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Abstract
Surface-initiated fatigue and wear caused by contamination is one of the major causes for bearing failures in aerospace applications. This paper outlines a method to precisely define cleanliness with the help of the cleanliness factor % and the contamination factor V. Particle sizes and filtration ratios are defined and allocated to certain V factors. These factors can then be entered into a proposed bearing life calculation method to quantity the effect of system cleanliness/ contamination on the attainable bearing life. A procedure to improve system cleanliness is described (pre-cleaning concept) so that contamination related damage can be eliminated.
Presented at the 49th Annual Meeting in Pittsburgh, Pennsylvania May 1–5, 1994
Notes
Presented at the 49th Annual Meeting in Pittsburgh, Pennsylvania May 1–5, 1994
