二维码（扫一下试试看！） | | 宽裕润滑参数下滚动轴承润滑特性研究 | | Studying on Rolling Bearing Lubrication Characteristics under Abundant Lubrication | | 投稿时间：2018-06-14 | | DOI：10.15918/j.tbit1001-0645.2018.增刊1.007 | | 中文关键词:滚动轴承油气润滑流动仿真最佳供油量 | | English Keywords:rolling bearingoil and gas lubricationflow simulationoptimal oil parameter | | 基金项目:中国博士后特等资助项目（2018T111043）；陕西省博士后特等资助项目（BSHTDZZ201710） | | | 摘要点击次数:587 | | 全文下载次数:334 | | 中文摘要: | | 滚动轴承是精密机床、特种车辆等重大装备的关键支撑零部件，其润滑性能直接决定了轴承的稳定服役性能，进而影响到重大装备的工作性能指标.基于理论仿真及实验研究，开展了油气润滑滚动轴承宽域润滑参数下的运行特性研究.结合多相流动分析技术，研究了高速角接触球轴承内部油气的流动状态，揭示了轴承内部油气流动基本规律.在此基础上，设计了滚动轴承润滑性能试验验证平台，实验分析了不同润滑参数对轴承温度的影响规律，获取了特定转速下温升最小的轴承润滑参数，证实了滚动轴承不同润滑参数对其服役性能的影响程度.研究工作对于滚动轴承宽域润滑状态下的服役性能分析提供基础依据. | | English Summary: | | Rolling bearing is a key supporting component for major equipment such as precision machine tools and special vehicles. Lubrication performance directly determines the stable serving performance of the bearing, which in turn affects the performance indicators of major equipment. In this paper, the operating characteristics were studied based on the theoretical simulation and experimental analysis for the oil-air lubrication rolling bearings under the wide-range lubrication parameters. Firstly, according to the multi-phase flow analysis technology, the flow state of oil and gas in the high-speed angular contact ball bearing was studied, and a basic law of oil and gas flow inside the bearing was revealed. Then, an experiment platform was designed to validate the rolling bearing lubrication performance. The influence of different lubrication parameters on the bearing temperature was experimentally analyzed, the optimal bearing lubrication parameters with the smallest temperature rise at a specific rotation speed were obtained, and the influence of the different lubrication parameters on its service performance was confirmed. The research results provide a basis for the service performance analysis of rolling bearings under wide-range lubrication conditions | | 查看全文查看/发表评论下载PDF阅读器 | |
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