Definition of Automobile Suspension
Release Time:
Mar 10,2025
The suspension system is a general term for all the force-transmitting connection devices between the frame and the axle or wheel of the car.
The suspension system is a general term for all the force-transmitting connection devices between the frame and the axle or wheel of the car. Its function is to transmit the force and torque acting between the wheel and the frame, and to buffer the impact force transmitted to the frame or body by the uneven road surface, and to attenuate the vibration caused by it, so as to ensure that the car can run smoothly. The typical suspension system structure consists of elastic elements, guide mechanisms and shock absorbers, and some structures also have buffer blocks, lateral stabilizer bars, etc. Elastic elements are in the form of leaf springs, air springs, coil springs and torsion bar springs, while modern car suspension systems mostly use coil springs and torsion bar springs, and some high-end cars use air springs.
The suspension system is an important assembly in the car. It elastically connects the frame and the wheel, which is related to the various performance of the car. From the outside, the car suspension system is only composed of some rods, cylinders and springs, but don't think it is very simple. On the contrary, the car suspension is a car assembly that is difficult to achieve perfect requirements. This is because the suspension system must meet the comfort requirements of the car and its handling stability requirements, 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 the springs have to be designed to be softer. However, soft springs can easily cause the car to "nod" when braking, "lift its head" when accelerating, and have serious adverse tendencies of tilting to the left or right, which is not conducive to the car's steering and can easily lead to unstable car handling.
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