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一、改进前工艺现状套圈的油沟尺寸控制、磨加工后油沟B台等问题，是轴承生产中比较突出的老大则问题。众所周知，油沟留台不仅影响终磨工后的加工质量，而且严重影响轴承的使用性能；该油沟是由车工工序一次加工成形的，磨of工后既要保证不超过产品图规定的最大尺4要求，又要
First, to improve the status quo before the ring groove oil groove size control, oil processing after grinding B Taiwan and other issues, is the boss bearing the more prominent problems. As we all know, oil ditch stay in Taiwan not only affects the quality of the final grinding process, but also seriously affect the performance of the bearing; The oil ditch is machined by a lathe process forming, grinding of the workmanship is not to ensure that the maximum product specifications Ruler 4 requirements, but also