双向推力角接触球轴承沟曲率半径系数和最佳预负荷的选取  

Selection of raceway curvature radius factor and optimum preload of double-direction thrust angular contact ball bearing

作　　者：洪景奇 徐辉 王朝光 王永刚 

机构地区：[1]哈尔滨市精密特种轴承厂技术科,黑龙江哈尔滨150030

出　　处：《哈尔滨轴承》2004年第1期15-19,共5页Journal of Harbin Bearing

摘　　要：围绕双向推力角接触球轴承的受力、摩擦力矩、轴向负荷、刚性、额定动负荷和寿命进行综合分析,阐明沟曲率半径系数和轴向预负荷取值对该轴承性能和使用寿命的影响。从理论上介绍了选取沟曲率半径系数f和最佳预负荷 F_a 值的方法。并给出234720轴承 f 和 F_a 取值实例。Through the synthetic analyzing about the double-dirction thrust angular contact ball bearing on its applied force,friction torque,axial load,rigid,specified dynamic load and its working life,the effect of its raceway curvature radius factor and its selected value of the axial preload on the performance and working life of the bearing is clarified, and the selecting method of its raceway curvature radius factor f and optimum value of preload Fa is introduced in theory,also the instance of the value selecting about f and F_a of the bearing 234720 is cited.

关 键 词：双向推力角接触球轴承 摩擦力矩 轴向负荷 刚性 沟曲率半径系数 

分 类 号：TH133.331[机械工程—机械制造及自动化]