滚动轴承及其支承的刚度计算

Stiffness Computation of Rolling Bearing and its Support

轴系由轴本身、联轴器、安装在轴上的传动件、紧固件等各种零件以及轴的支承组成。激起轴系共振的转速,称为临界转速。临界转速的大小与轴的材料、几何形状、尺寸、结构形式、支承情况、工作环境以及安装在轴上的零件等有关。要同时考虑全部影响因素,是非常困难的,也是不必要的。因支承刚度对转轴临界转速有影响,故仅介绍支承刚度的计算方法。

Axis system is made up of axis itself, transmission part installed on axis, connecting part and support of axis. Rotation speed evoked axis system common vibration was named interface rotation speed, and its magnitude is connected with axis material, geometry shape, dimension, configuration format, support condition, work circumstance, parts installed on axis etc. It is very difficult to consider synchronously all effect element, and it isn＇t necessary. Because bearing stiffness have an effect on interface rotation speed, so the original only introduced computational method of bearing stiffness.