某发动机机匣轴承沟道剥落及铆钉断裂故障分析  

Analysis on Raceway Flaking and Rivet Fracture Fault of Brake Bearings for Engine

作　　者：罗志刚 于庆杰 公平 姜铁寅 刁庆 LUO Zhigang;YU Qingjie;GONG Ping;JIANG Tieyin;DIAO Qing(AECC Harbin Bearing Co.,Ltd.,Harbin 150025,China)

机构地区：[1]中国航发哈尔滨轴承有限公司,哈尔滨150025

出　　处：《轴承》2018年第7期46-47,52,共3页Bearing

摘　　要：针对发动机使用过程中附件机匣轴承沟道剥落及铆钉断裂故障,分析其失效原因为外圈沟道表面损伤产生表面疲劳剥落,继而引起铆钉断裂脱落,并对此提出预防改进措施。The cause is analyzed for raceway flaking and rivet fracture fault for accessory brake bearings during use of engine. The surface fatigue flaking is caused by surface damage of outer ring raceway,resulting in rivet fracture. The preventive and improved measures are put forward.

关 键 词：机匣轴承 沟道 剥落 铆钉 断裂 预防措施 

分 类 号：TH133.331[机械工程—机械制造及自动化] TH117.1