Residual Stress Evolution during the Manufacturing Process of Bearing Rings

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Abstract:

An innovative X-ray diffractometer was used to measure the residual stress being the source of a typical deformation failure called ovality on bearing rings. The equipment performs the measurements without sample cutting making it possible to measure the stress state of the same rings after each processing step. Thus, the stress state evolution during the complete manufacturing scenario was monitored on the same rings and the manufacturing process was revised.

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