1. The suspension Introduction
Suspension independent suspension, the structural characteristics of the non-independent suspension of each wheel is integrally connected by an axle, the wheel together with the axle by an elastic suspension suspended below the frame or body. Axle suspension has a simple structure, low cost, high strength, easy maintenance, small changes in wheel alignment in road advantages, but because of its comfort and steering stability are poor, substantially no longer used in modern passenger cars , the use in trucks and buses.