防尘盖可拆卸式轴承密封结构改进设计  

Improvement on Design of Sealing Structure for Bearings with Demountable Shield

作　　者：师歌[1,2] 崔静伟 张旭[1,2] 刘燕娜 朱川峰[1,2] SHI Ge;CUI Jingwei;ZHANG Xu;LIU Yanna;ZHU Chuanfeng(Luoyang Bearing Research Institute Co.,Ltd.,Luoyang 471039,China;Henan Key Laboratory of High Performance Bearing Technology,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4710039

出　　处：《轴承》2020年第3期10-11,共2页Bearing

摘　　要：针对某航天用密封深沟球轴承使用中可能出现防尘盖异常脱落的问题,分析其原因为外圈防尘槽尺寸不适和弹簧圈自身弹力不足,初步提出增大防尘盖和弹簧圈的最小安装余量,增加弹簧圈厚度和径向宽度的改进措施,经试验验证增加弹簧圈径向宽度为最可靠的方案。采取改进措施后的轴承满足客户使用要求。The abnormal detachment of shield during use of deep groove ball bearings for aerospace is caused by unsuitable size of shield groove of outer rings and insufficient elastic force of spring ring.The improvement measures are proposed preliminarily,such as increase of minimum installation margin of shield and spring ring,improvement of thickness and radial width of spring ring.It is verified by experiments that increase of radial width of spring ring is the most reliable solution.After improvement,the bearings meet use requirements of customers.

关 键 词：滚动轴承 航空轴承 深沟球轴承 防尘盖 弹簧 密封结构 

分 类 号：TH133.331[机械工程—机械制造及自动化] TH124