汽车发生摆头,摆头现象被确认后,就要仔细检查车辆,以找出摆头原因。 1.汽车低速摆头 汽车低速行驶时方向不稳、产生摆振,原因主要有如下几点: (1)转向器和转向传动机构间隙过大,各铰接处联接松动; (2)前钢板弹簧挠度不良,负荷后压平或下弯,使主销后倾角改变; (3)前轴变形,前束过大,车轮外倾角、主销后倾角变小; After the vehicle is put out of the head and the phenomenon of swaggering is confirmed, the vehicle must be carefully inspected to find out the reasons for the swagger. 1 car low speed swinging When the car is running at low speed instability, resulting in shimmy, mainly due to the following points: (1) the steering gear and the steering gear clearance is too large, the hinge joints loose; (2) the front leaf spring Deflection bad, after the load flatten or down, so that the main pin change after the inclination; (3) the deformation of the front axle, the toe is too large, the camber wheel, caster angle smaller;