机械科学与技术2018，Vol.37Issue(2)：172-179,8.DOI:10.13433/j.cnki.1003-8728.2018.0202
停止阶段圆柱滚子轴承保持架应力分析
Study on Cage Stress of Cylindrical Roller Bearing at Stop Stage
摘要
Abstract
Based on the dynamic theory of rolling bearings,the dynamic differential equations of cylindrical roller bearing with the large acceleration were established and solved by Hilbert-Hughes-Taylor(HHT) integer algorithm with the variable steps.The collision force and angular speed of cage and roller at stop stage were used as the boundary conditions of finite element contact model.The influences of material of cage,working conditions and structural parameters of bearing on cage stress were investigated.The results are as following:cage stress is produced mostly by centrifugal force when bearing is working at a constant speed,but at stop stage,cage stress is caused mostly by collision force between rollers and cage and reaches several times of that at a constant speed;When bearing is working under the same condition,the safety factor of steel cage is greater than that of copper cage;The cage stress decrease firstly and then increase with the supply oil temperature increasing,and there is a reasonable supply oil temperature to get a relative lower cage stress;Reasonable radial clearance,load and supply oil temperature can significantly reduce cage stress level at stop stage.关键词
圆柱滚子轴承/停止阶段/动力学/保持架应力Key words
cylindrical roller bearing/stop stage/dynamics/cage stress分类
机械制造引用本文复制引用
李红涛,张文虎,邓四二,郑艳伟..停止阶段圆柱滚子轴承保持架应力分析[J].机械科学与技术,2018,37(2):172-179,8.基金项目
国家自然科学基金项目(U1404514)与河南省杰出人才创新基项目(144200510020)资助 （U1404514）
