调心球轴承外圈车加工方法改进

Improvement of outer ring turning methodfor self-alignment ball bearing

采用专用车床加工调心球轴承外圈沟道倒角时偶尔出现毛刺现象,经热处理后影响到磨削外滚道质量,造成轴承装配时划伤钢球,影响旋转灵活性及调心性能。针对此问题,对外滚道与倒角工序的关系进行了分析,调整了加工顺序,改变了加工方法,避免了倒角毛刺的产生。

When the chamfer of outer ring groove of self-aligning ball bearing is processed by special turning machine occasionally, there is burr which has effect on the quality of outer ring groove after heat treatment, and results in steel ball scratch while assembling, as well as the decrease of rotating lfexibility and aligning performance. Through analyzing the relationship between outer ring with the chamfer processing procedure, adjusting the processing sequence and changing the processing method, the chamfer blur is avoided.