Relaxation of Residual Stresses in Bearing Rings Based on the Optimal Geometric Setup of Equipment for Centerless Running

Abstract:

This paper discusses the technological method of residual stress relaxation of bearing rings by centerless running with cylindrical rolls. Described a new approach to relieve residual stresses by centerless running of elastically-deforming rolls on the basis of the geometrical setup of the equipment. It was found that geometrical setup of the equipment influences an elastic strain of parts and the degree of residual stress relaxation. We obtained a mathematical model for calculation of setup parameters to ensure the required variation value of elastic strain of the part. The results of experiments confirm the influence of the geometric setup on the magnitude of residual stress relaxation.

• Periodical: Materials Science Forum (Volume 973)
• Pages: 183-188
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.973.183
• Online since: November 2019
• Authors: Albert V. Korolev, Andrei F. Balayev*, Boris M. Iznairov
• Keywords: Adjustment, Bearing Rings, Centerless Break-In, Deformation, Residual Stress

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