| 球轴承窗式保持架兜孔与滚珠间润滑性能 |
| |
| 引用本文： | 马方波,高源,江丰元,吴宝杰,安琦. 球轴承窗式保持架兜孔与滚珠间润滑性能[J]. 医学教育探索, 2014, 0(5): 660-666 |
| |
| 作者姓名： | 马方波 高源 江丰元 吴宝杰 安琦 |
| |
| 作者单位： | 华东理工大学机械与动力工程学院， 上海 200237;华东理工大学机械与动力工程学院， 上海 200237;华东理工大学机械与动力工程学院， 上海 200237;中国石油化工股份有限公司润滑油天津分公司， 天津 300480;华东理工大学机械与动力工程学院， 上海 200237 |
| |
| 摘 要： | 以球轴承窗式保持架与滚珠间的流体动压润滑问题为研究对象，建立了滚珠 兜孔运动关系和力学分析的计算模型，建立了滚动轴承启动阶段和稳定运转阶段滚珠 兜孔油膜压力分布和油膜厚度的数值计算方法。以SKF61928MA轴承为研究对象，计算出轴承内圈转速、保持架角加速度，并研究了保持架兜孔尺寸对滚珠 兜孔润滑油膜的性能影响规律。结果表明，在稳定运转阶段，滚珠 兜孔间最小油膜厚度基本保持不变；在启动加速阶段，保持架加速度越大，油膜厚度越小。
|
| 关 键 词： | 球轴承； 保持架； 兜孔； 润滑性能 |
| 修稿时间： | 2014-03-05 |
Lubrication Performance between Straight Sided Cage Pockets and Balls in Ball Bearings |
| |
| MA Fang-bo,GAO Yuan,JIANG Feng-yuan,WU Bao-jie and AN Qi. Lubrication Performance between Straight Sided Cage Pockets and Balls in Ball Bearings[J]. Researches in Medical Education, 2014, 0(5): 660-666 |
| |
| Authors: | MA Fang-bo GAO Yuan JIANG Feng-yuan WU Bao-jie AN Qi |
| |
| Affiliation: | School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China;School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China;School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China;Tianjin Brance of Lubricant Company, SINOPEC, Tianjin 300480, China;School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China |
| |
| Abstract: | A calculating model of ball pocket rotation and mechanics analyses is established to investigate hydrodynamic lubrication between the ball and the straight sided cage pocket in a ball bearing. An algorithm for calculating ball pocket oil film pressure and film thickness is developed both for a bearing's starting stage and steady running stage. Effects of inner ring rotational speed, cage angular acceleration, and cage's geometry on ball pocket oil film performance are numerically studied by choosing a SKF61928MA bearing as the calculating example. Influences of cage's geometry on ball pocket oil film performance are also investigated. The results show that ball pocket minimum oil film remains unchanged during bearing's steady running stage, while in bearing's starting stage, the larger the cage's acceleration, the smaller the minimum oil film will be. |
| |
| Keywords: | ball bearing cage cage pocket lubrication performance |
|
| 点击此处可从《医学教育探索》浏览原始摘要信息 |
|
点击此处可从《医学教育探索》下载全文 |
|
