Automobile suspension is the general term for all the force transmission connecting devices between the frame of the automobile and the axle or the wheels. Its function is to transmit the force and torque between the wheels and the frame, and to buffer the transmission from the uneven road to the vehicle. The impact force of the frame or body, and attenuate the resulting vibration, to ensure that the car can run smoothly.
A typical suspension structure is composed of elastic elements, guiding mechanisms, and shock absorbers, while individual structures also include buffer blocks and stabilizers. Elastic elements are in the form of leaf springs, air springs, coil springs, and torsion bar springs, while modern car suspensions mostly use coil springs and torsion bar springs, and some high-end cars use air springs.
Suspension is an important assembly in a car. It connects the frame and the wheel elastically, which is related to the various performances of the car. From the outside, the car suspension is only composed of some rods, tubes and springs, but do not think it is very simple. On the contrary, the car suspension is a car assembly that is difficult to achieve perfection requirements. This is because the suspension is both To meet the comfort requirements of the car, but also to meet the requirements of its handling stability, and these two aspects are mutually opposed. For example, in order to achieve good comfort, it is necessary to greatly cushion the vibration of the car, so that the spring should be designed to be softer, but the soft spring is likely to cause the car to “nod” in braking, “head up” in acceleration, and serious side-to-side roll defects. The tendency is not conducive to the steering of the car, and it is easy to cause unstable operation of the car.