Effect of finishing methods on surface characteristics and performance of precision components in rolling/sliding contact Online publication date: Thu, 09-Jul-2009
by F. Hashimoto, S.N. Melkote, R. Singh, R. Kalil
International Journal of Machining and Machinability of Materials (IJMMM), Vol. 6, No. 1/2, 2009
Abstract: Functional performance of precision mechanical components such as bearings is known to depend on their surface characteristics, which result from the finishing method used. However, a detailed study of the impact of modern finishing methods on surface integrity, and tribological and mechanical performance is needed to fully understand the complex relationship for bearing steel surfaces prepared using the following methods: Grinding (GD), Honing (HN), Hard Turning (HT) and Isotropic Finishing (IF). This paper presents the results of an experimental study aimed at understanding the complex relationship of these finished surfaces subjected to rolling–sliding lubricated contact. The resulting Three-Dimensional (3D) texture and residual stresses, and their influence on rolling/sliding friction, torque, temperature and bearing life are evaluated. Specific surface features are identified to explain the observed trends.
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