1四轮定位基本知识汽车的转向轮、转向节和前轴三者之间的安装具有一定的相对位置,叫做转向轮定位,也称前轮定位。两个后轮和后轴之间的安装也具有一定的相对位置,称后轮定位。这样,前轮定位和后轮定位总起来说叫四轮定位。主销后倾角、主销内倾角、车轮外倾角和车轮前束角被称为四轮 A four-wheel positioning basic knowledge The steering wheel, steering knuckle and front axle between the three installation has a certain relative position, called steering wheel positioning, also known as the front wheel positioning. The installation between the two rear wheels and the rear axle also has a relative position, saying the rear wheel is positioned. In this way, front wheel alignment and rear wheel alignment are collectively referred to as four wheel alignment. Caster pitch, king pin inclination, wheel camber and wheel toe angle is called four