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The influence of the hardness and softness of automobile springs

Date of release:2019-04-18 00:00:00 Author: Click:

The influence of the hardness and softness of automobile springs


In the suspension system, the spring ACTS as a support for the body and absorbs the impact of uneven road conditions and other forces on the tire, such as acceleration, deceleration, braking, turning and other forces on the spring. What is more important is to ensure that the wheels do not leave the road during the process of absorbing vibration, so as to ensure the vehicle's tracking ability, sufficient grip and good handling. This determines the status of the spring in the car!




The most important function of the spring is to maintain the comfort of the car and keep the tire in full contact with the ground. If the wrong spring is used, the driving quality and handling will be negatively affected. Imagine if the spring were completely rigid, the suspension wouldn't work. When the car jumps on a rough surface, the tires will be completely off the ground. If this happens during acceleration, braking or cornering, the car will lose track. If the spring is very soft, it is very easy to appear "sit at the bottom", that is, the suspension of the stroke used up. If happen when crossing a bend, sit bottom circumstance can be regarded as the elastic coefficient of the spring becomes infinite (already the space that does not have compression), the body can produce the weight that transfers immediately, cause the loss of traceable sex. If this car has a long travel, perhaps can avoid "bottom", but relative to the body will be very high, and high body means high body centre of gravity, the body's centre of gravity height has a decisive influence on control performance, so too soft shock will lead to manipulation of the obstacles. If the road were absolutely flat, we wouldn't need springs and suspension. If the road is rough you need a soft spring to keep the tire in contact with the road, and the travel of the spring must be increased. The hardness of the choice of spring is to be decided by the road surface of the rugged degree, the more rugged to be more soft spring, but how soft is a key problem, usually this needs the accumulation of experience, is also an important subject of the spring enterprise, each car factory and each team.


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