测量误差及重复装配精度对轴承可靠性影响的分析  

Analysis of the influence of measurement error and repeated assembly accuracy on the reliability of bearings

作　　者：余梅 陈晖 张丽 YU Mei;CHEN Hui;ZHANG Li(Xiangyang Subsidiary of CRRC Luoyang Locomoive Co.,Ltd.,Xiangyang 441100,China)

机构地区：[1]中车洛阳机车有限公司襄阳分公司,湖北襄阳441100

出　　处：《铁道机车与动车》2020年第8期46-48,I0004,共3页Railway Locomotive and Motor Car

摘　　要：通过一起机车柴油机碾瓦故障案例分析,结合机体主轴承孔同轴度光测方法及原理,对同轴度测量误差及重复装配精度进行了研究,并结合机体检修工艺规避测量误差和保证重复测量精度,提出了提高主轴承可靠性的建议。Through a case analysis of grinding tile fault in locomotive diesel engine, combined with the coaxiality optical measurement method and principle of main bearing hole, the coaxiality measurement error and repeated assembly accuracy are analyzed and studied. Combined with the maintenance process, some suggestions to improve the reliability of main bearing are put forward to avoid measurement error and ensure repeated measurement accuracy.

关 键 词：碾瓦 机体同轴度 光测 测量误差 重复装配精度 可靠性 

分 类 号：U262.11[机械工程—车辆工程]