推力角接触球轴承外圈沟道磨削过程中砂轮的修整  

Dressing of Grinding Wheel During Grinding of Outer Raceway of Thrust Angular Contact Ball Bearings

作　　者：陈志军[1,2,3] 张旭 张风琴[1,2,3] 刘燕娜 焦叶凡[1,2,3] CHEN Zhijun;ZHANG Xu;ZHANG Fengqin;LIU Yanna;JIAO Yefan(Luoyang Bearing Research Institute Co.,Ltd.,Luoyang 471039,China;Henan Key Laboratory of High Performance Bearing Technology,Luoyang 471039,China;Strategic Alliance for Technology Innovation in Rolling Bearing Industry,Luoyang 471039,China)

机构地区：[1]洛阳轴承研究所有限公司,河南洛阳471039 [2]河南省高性能轴承技术重点实验室,河南洛阳471039 [3]滚动轴承产业技术创新战略联盟,河南洛阳471039

出　　处：《轴承》2019年第11期21-24,共4页Bearing

摘　　要：推力角接触球轴承外圈沟道切入式磨削过程中,沟道边缘出现直线段,沟道形状加工精度难以保证。磨削过程发现:降低砂轮修整速度,将砂轮双程修整改为单程修整,使金刚笔从外圈非基面侧抬起,有助于消除沟道边缘的直线段;而修整时降低金刚笔下落速度是消除沟道边缘直线段的关键因素。通过改进砂轮的修整方法,保证了修整砂轮的成形精度。The line segment appears on edge of outer raceway,and the processing precision of raceway shape is difficult to guarantee during plunge-cut grinding of outer raceway of thrust angular contact ball bearings.It is found in the grinding process that reducing the dressing speed,changing the two-way dressing to one-way dressing,and raising the diamond pen from non-ground side of bearing outer ring during grinding wheel dressing help to eliminate line segment on edge of bearing raceway.The decrease of falling speed of diamond pen during dressing is a key factor to eliminate line segment on edge of bearing raceway.The forming precision of dressed grinding wheel is guaranteed by improving dressing method for grinding wheel.

关 键 词：推力角接触球轴承 外圈 沟道 磨削 砂轮 修整 

分 类 号：TH133.331[机械工程—机械制造及自动化] TG590.617[金属学及工艺—金属切削加工及机床]