Abstract
The aim of this paper is to propose and verify a new rework solution method on large size radial roller bearing. Bearing rework is developing rapidly owing to cost control and greenhouse effect. General rework procedures and rules are evaluated by relative files and executed by most famous bearing suppliers. All defective rolling elements are scrapped according to the existing rework solutions, which leads to tremendous wastage. We draw our attention to the possibility of reusing large size rollers. In the procedure, rolling contact fatigue characteristic of roller bearings is analyzed and the solution method by reusing large size rollers is obtained in the paper. In view of greatly changing the rollers, rolling bearing design method is involved in the new solution method. This is significantly different from the old methods. In addition, the rating life of reworked bearing is re-calculated for reliability.
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