重卡轮毂轴承中滚子轮廓曲线的不对称修形
Non-symmetric shape modification for roller profile of heavy-truck hub bearings
剡昌锋 1李志新 1冯浩原 2韦尧兵 1杨美玲3
作者信息
- 1. 兰州理工大学机电工程学院,甘肃兰州730050
- 2. 兰州理工大学机电工程学院,甘肃兰州730050;陕西航天导航设备有限公司,陕西宝鸡721006
- 3. 中核兰铀公司,甘肃兰州730000
- 折叠
摘要
针对重卡轮毂轴承运行在偏载工况下所引起的偏载效应,提出了一种新的滚子轮廓曲线凸度不对称修形的设计方法.利用该方法对重卡轮毂轴承33022的滚子轮廓曲线凸度进行设计,分析了滚子轮廓曲线凸度与接触应力之间的关系.结果表明,当凸度量zm=0.009～0.006 mm时,不对称修行设计方法既避免了边缘效应,又能有效地缓解偏载效应的影响,从而提高了重卡轮毂轴承的承载能力和疲劳寿命.
Abstract
Based on the inclined loading effect on heavy-truck hub bearing under inclined loading conditions,a new design method for non-symmetric convexity modification of roller profile is proposed.By designing the roller profile of 33022 heavy-truck hub bearing,the relationship between curve convexity and contact stress is analyzed.Therefore,it is found from results that,when convex value,z m,is spanned from 0.006 mm to 0.009 mm,the proposed method can avoid the edge effect,as well as effectively reduce the inclined effect so as to enhance the loading capacity and fatigue life of heavy-truck hub bearing.
关键词
轮毂轴承/凸度/不对称修形/偏载效应Key words
hub bearing/convexity/non-symmetric shape modification/inclined loading effect引用本文复制引用
基金项目
国家自然科学基金资助项目(51165018)
出版年
2015
NETL
NSTL
维普
万方数据