汽车在一定车速下直线行驶时,前轮发生左右摆动,其行驶轨迹不是直线而是呈波浪形(蛇行),此现象称之为前轮摆振。 前轮摆振是汽车在行驶中的一种不正常现象。它使得汽车不能保持正常的运动轨迹,严重时会伴有车桥、车架和车身的晃动,甚至使驾驶员抓不稳方向盘、操纵性变得很差,最后 When the car runs straight at a certain speed, the front wheel swings from side to side, and the driving track is not straight but wavy (meandering). This phenomenon is called front wheel shimmy. The front wheel shimmy is an anomaly in the car. It makes the car can not maintain the normal trajectory of motion, serious when accompanied by the axle, frame and body shaking, and even make the driver scratched the steering wheel, maneuverability becomes very poor, and finally