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汽车万向传动轴的寿命主要取决于花键连接处的工作性能。当传动轴工作时,在花键连接处将产生轴向力,力的大小取决于花键接触面的摩擦系数及其所传递的扭矩。该轴向力对传动轴的十字轴、滚针轴承以及汽车的整个传动系都有很大的影响。动力传动系载荷的增大以及对花键连接的精度和耐磨性要求的提高,迫使人们去研究降低传动轴花键处产生的轴向力的措施。在这些措施当中,最适用的是采用各种耐磨润滑剂和
The life of an automotive universal drive shaft depends mainly on the performance of the spline connection. When the drive shaft work, the spline connection will produce axial force, the size of the force depends on the friction coefficient of the spline contact surface and the torque it transmits. The axial force on the shaft of the cross shaft, needle roller bearings and the car’s entire drive train has a great impact. Increases in powertrain load and increased requirements for the accuracy and wear resistance of spline connections have forced the search for ways to reduce the axial forces generated at the spline of the drive shaft. Among these measures, the most suitable is the use of a variety of wear-resistant lubricants and