论文部分内容阅读
采用PTFE与30CrMnSiNi2A钢制成自润滑轴承,在重载工况下进行了数值模拟及试验分析,研究了自润滑轴承的主要失效形式、摩擦面状态及性能对摩擦性能的影响,并分析了轴承的磨损机理。结果表明:该轴承在重载下以润滑层失效为主要破坏形式,改善摩擦面能够有效提高轴承的摩擦性能;在摩擦过程中PTFE不断被挤出,形成转移润滑膜,起到了减小摩擦因数的作用。
Using PTFE and 30CrMnSiNi2A steel made of self-lubricating bearings, under heavy load conditions for the numerical simulation and experimental analysis of the self-lubricating bearing failure of the main form of friction surface state and performance of the friction performance, and analysis of the bearing Wear mechanism. The results show that under the heavy load condition, the bearing layer is the failure form of the lubricating layer, and the improvement of the friction surface can effectively improve the friction performance of the bearing. During the friction process, the PTFE is continuously extruded to form the transfer lubricating film, which can reduce the friction coefficient Role.