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What are the types of automotive springs?

Update:14-12-2019
Summary:

There are three types of automotive springs: (1) Progre […]

There are three types of automotive springs:
(1) Progressive spring
This kind of spring usually adopts a design with inconsistent thickness and density. The advantage is that when the pressure is not large, the fluctuation of the road surface can be absorbed by the part with a lower elastic coefficient, thereby ensuring the riding comfort. When the pressure increases to a certain level, the thicker part of the spring plays a role in supporting the body, but its disadvantages are that the control feel is not direct and the accuracy is poor.
(2) Linear spring
The elastic coefficient of the linear spring is a fixed value, which can make the vehicle obtain a more stable and linear dynamic response, and can better control the vehicle, but the comfort will be affected, so it is mostly used for performance-oriented modified cars and competitive vehicles.
(3) Short spring
It can effectively reduce the center of gravity of the vehicle body, thereby reducing the roll caused by the vehicle's cornering, making the vehicle's cornering more stable and smooth, improving the maneuverability of the vehicle's curve, and reducing the height of the vehicle body. However, it is not very stable in cooperation with the original shock absorber, and it cannot suppress rebound and compression well. When the vehicle is driving on a bumpy road, there will be an uncomfortable jumping feeling. Therefore, short springs have limited improvement in handling performance, and there are disadvantages. We should be cautious.