摘要
借鉴并遵照ISO281标准,就最大额定寿命问题,对圆锥滚子轴承的内部尺寸进行了优化。所涉及的系统包含了两个完全相同的圆锥滚子轴承,它们可承受任意组合的中心径向载荷和轴向载荷。研究表明,轴承基本额定寿命随滚子填充率以及滚子宽高比的增加而增加,与滚子组节径的6次方成正比,与施加径向力的3次方成反比;此外,对于任一给定比例的径向力/轴向力来说,不管滚子实际直径和节径的比值如何,都存在一种使得额定寿命最大化的最佳接触角。该优化程序可用于设计定制轴承或从制造商的目录中选择具有最佳接触角的轴承,同时,用于任何指定的负载条件。
The study optimized the internal sizes of tapered roller bearings about maximum rated life by means of the ISO・281 standard.The concerned system includes two identical bearings that were loaded by an arbitrary combination of radial and axial forces.The study shown that the basic rated life increased with the roller filling rate and the aspect ratio of the rollers,and increases with the sixth power of the pitch diameter of the roller set,but decreases with the third power of the applied radial force.In addition,always exist an optimal contact angle,which may maximize the rated life of the tapered roller bearing pair,regardless of any given ratio of axial to radial force.The optimal program can not only be used to design customized bearings but also be used to select the bearing with the best contact angle from manufacturers?catalogues under any designated load condition.
作者
卢彦群
赫明月
杜天翔
Lu Yanqun;He Mingyue;Du Tianxiang(Engineering University of Hebei,Handan 056038,China)
出处
《哈尔滨轴承》
2020年第2期3-10,14,共9页
Journal of Harbin Bearing
基金
河北省科技厅-大智移云应用专项-圆锥滚子轴承双层复合智能化生产线研发:18211832D
河北省教育厅-面向新工科基于RTIZ的大学生创新能力培养模式研究:2019GJJG250
关键词
圆锥滚子轴承
额定寿命
优化设计
tapered roller bearings
maximum rated life
optimization design
