Dynamic Response Of Automobile Spring

- Jun 06, 2017 -

The automobile spring is a kind of elastic element which is widely used in automobile. The automobile spring can produce large elastic deformation when it is loaded and transforms the mechanical work or kinetic energy into deformation energy, and the deformation of the car spring disappears and returns to The original shape, Automotive Spring while the deformation can be converted into mechanical or kinetic energy. The ratio of load and deformation of the car spring is called the stiffness of the car spring, the greater the stiffness, the harder the car spring.

The car spring has the characteristic of extensible compression, which can absorb and release the bounce caused by the uneven road, reduce the amplitude of the bounce of the vehicle and keep the wheel in contact with the road as much as possible. And the energy generated during the elongation process will be the work of the shock absorber into heat into the air.

Usually the original model uses a progressive car spring, Automotive Spring this car spring with a thick, dense inconsistent design, the advantage is that when the pressure is not large through the lower part of the elasticity of the absorption of the ups and downs of the road to ensure comfort , When the pressure increases to a certain extent, after the thick part of the car spring to play the role of supporting the body, Automotive Spring and the shortcomings of this car spring is difficult to control the control, the accuracy is poor.

Linear car spring from top to bottom of the thickness, density unchanged, the elasticity of a fixed value. This design of the car spring can make the vehicle to obtain a more stable and linear dynamic response, is conducive to the driver better control of vehicles, more for performance-oriented modified cars and competitive vehicles, of course, the comfort is affected.

In addition, some cars and modified cars will be in the harder linear car spring to add a thinner small auxiliary helix spring, this combination of car spring can increase the comfort in addition to the main car spring pressure rebound Reduce the rebound strength, Automotive Spring to prevent the main car spring so out of the car spring seat.

Short car spring compared to the original car spring to be shorter, and more sturdy, the installation of short car spring, can effectively reduce the body center of gravity, reduce the corner when the cornering, so that bending more stable, smooth, Handling. And the original shock absorber damping set bias comfortable, so the short car spring and the original shock absorber in the match is not very stable, it can not effectively inhibit the short spring rebound and compression, driving in the bumpy road , There will be a sense of discomfort jump, the long run, shock absorber life will be greatly reduced, and there may be oil leakage situation. Of course, these conditions are relatively speaking, the daily driving, then there will not be so serious damage, and try not to drive, after all, the original shock absorber can not afford the high load pressure.


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