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
韩存仓, 林士兰
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作者单位：洛阳理工学院 机械工程系, 河南 洛阳 471023
中文关键字：18CrMnTi齿轮； 接触疲劳损坏； 疲劳裂纹； 拖拉机
英文关键字：18CrMnTi gear; contact fatigue failure; fatigue cracks; tractor
中文摘要：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。
英文摘要：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.