摘要
根据预负荷空心圆柱滚子轴承变形协调条件,建立了轴承内圈的平衡方程,运用卡氏定理确定了滚子的负荷和变形间的关系式,据此导出了预负荷空心圆柱滚子轴承的刚度计算公式,依据此公式对某型号轴承刚度进行分析研究,结果表明:预负荷空心圆柱滚子轴承的刚度与外载荷无关,且随着空心度的增大而减小,随着滚子个数的增加而增大。
According to the elastic deformation relationship of the pre-loaded hollow cylindrical roller bearings, the equilibrium equation of the inner of the bearing is built, and then Castigliano＇ s theorem is used to determine the calculation formula between load and elastic deformation of rollers. Based on the former results, the stiffness formula of the pre-loaded hollow cylindrical roller bearings is deduced, then the stiffness formula is used to analysis the stiffness of a type of pre-loaded hollow cylindrical roller bearings. The results show that the stiffness of pre-loaded hollow cylindrical roller bearings has nothing to do with the external load, it becomes smaller when the hollow ratio grows, and it becomes bigger when the roller number grows.
出处
《制造技术与机床》
CSCD
北大核心
2010年第2期46-48,共3页
Manufacturing Technology & Machine Tool
基金
辽宁省教育厅计划项目(2008S039)
关键词
预负荷
空心圆柱滚子轴承
刚度
电主轴
Pre-loaded
Hollow Cylindrical Roller Bearings
Stiffness
Electric Spindle
