Abstract
3D model of 6006 gulley ball bearing inner ring is established in this paper. Based on the study of finite element numerical simulation on the cold rolling process of inner ring by Deform-3D software, the paper shows the influence of the feed rate of idle roller, rotational rate of driving roller as well as wide-diameter ratio on the rules of rolling forming of bearing inner ring. Through the research of numerical simulation, it is discovered that feed rate of idle roller and wide diameter ratio have a greater impact on the ring end surface quality larger than rotational rate of driving roller does. Thus, process parameters should be chosen reasonably according to mold parameters and material parameters, which will help improve the stability of the cold rolling process and the rolling production efficiency.
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