Experimental Study on Self-lubricating Technology of Cross Axis Universal Joint for High Lift System
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摘要: 十字轴万向节广泛应用于飞机高升力系统的传动子系统，针对S82、B23及自润滑涂层3种不同材料的十字轴万向节，本文设计了试验并测试了十字轴万向节的传动效率和磨损量，试验结果表明自润滑材料的十字轴万向节的传动效率最高，且磨损量最小。此外，本文提出了十字轴万向节传动效率和磨损量的计算方法，可根据机上的安装角度计算十字万向节传动效率和寿命末期的磨损量。Abstract: Cross axis universal joints are widely used in transmission subsystem of Aircraft High Lift System. For S82, B23 and self-lubricating coating three kinds of materials of universal joint, the experiment is designed, and the wear and transmission efficiency of universal joint are tested. The test results show that the self-lubricating material across axis universal joint is minimum wear and maximum transmission efficiency. In addition, the calculation methods of transmission efficiency and wear for cross axis universal joint are proposed in this paper, which can be used to calculate the transmission efficiency and end of life wear of cross axis universal joint by using the installation angle in aircraft.
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表 3 十字轴万向节传动效率
方
案3个扭力
管组件
总效率摩擦
系数万向
节夹
角/(°)单个十字
轴万向节
传动效率1个扭力
管组件传
动效率2 0.997 1 0.994 2 1 0.965 7 0.166 3 4 0.994 2 0.988 4 6 0.991 3 0.952 7 2 0.998 2 0.996 5 2 0.979 1 0.100 8 4 0.996 5 0.993 0 6 0.994 7 0.989 5 2 0.998 7 0.997 5 3 0.985 3 0.070 7 4 0.997 5 0.995 1 6 0.996 3 0.992 6 
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