螺纹连接中螺母松动的主要原因是，横向动载荷作用和由此引起的螺纹副横向振动。
In thread connection, the main causes of loosening of nuts are action of lateral dynamic load and the induced lateral vibration of thread pairs.
分析了齿轮副各几何参数及误差对轮齿振动产生的影响。
Analyzed the effects on teeth vibration exerted by geometry parameters and errors of gears.
采用数值模拟方法研究了含气比，侧板倾斜，有效体积模量，离心力和齿轮副的振动等因素对困油压力的影响。
The influence of percentage of gas in oil, slope of side plate, effective bulk modulus, and centrifugal force and gear pair vibration on trapped oil pressure is studied by numerical simulation.
应用推荐