拖拉机二轴齿轮接触疲劳损坏的研究  

Study on Contact Fatigue Failure of Tractor Second Shaft Gear

作　　者：韩存仓[1] 林士兰[1] 

机构地区：[1]洛阳理工学院机械工程系,河南洛阳471023

出　　处：《热加工工艺》2009年第22期154-157,共4页Hot Working Technology

摘　　要：针对拖拉机生产企业存在的零件生产质量问题,系统分析了拖拉机中央传动系统二轴18CrMnTi钢齿轮接触疲劳损坏的原因、类型、特征和形成机理,并进一步研究了齿轮接触疲劳损坏的影响因素,为生产企业采取针对性措施,改善二轴齿轮加工工艺提供了帮助。Aiming at the quality problems of hardwares existing in tractor manufacturing enterprises, the causes, types, features and formation mechanism of contact fatigue failure of 18CrMnTi steel gear on the second shaft in tractor＇s central transmission system were analysed. The influencing factors of contact fatigue failure of gears were studied, which provide help for tractor manufacturing enterprises to adopt special measures to improve the processing technique of the second shaft gear.

关 键 词：18CrMnTi齿轮 接触疲劳损坏 疲劳裂纹 拖拉机 

分 类 号：TG162.73[金属学及工艺—热处理]