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The Development of Suspension Systems

The Development of Suspension Systems

For more than 20 years after the invention of the automobile, the car suspension lift kit has been using the elastic steel plate structure of the carriage, and the effect can be imagined. Until 1908, the emergence of coil springs provided a new way to innovate automobile suspension systems. However, engineers at that time had disagreements on such new things: The first opinion advocated installing a more rigid coil spring to keep the wheels in contact with the road surface and improve the tire's gripping ability. But the disadvantage of this is that there is a stronger feeling of bumps when riding in a car. Another opinion is that softer coil springs should be used to adapt to rugged roads and improve the stability and comfort when riding in a car, but such cars have poor handling.

In the 1930s and 1940s, independent suspensions began to appear and have been greatly developed. Until 1947, the United States first used air suspension on Pullman cars. Countries and regions such as Europe and Japan have also made application research on automobile air suspension, which in turn provided new technical support for the improvement of car suspension lift kit. The shock absorber has also developed from the early friction type to the hydraulic type. These improvements have undoubtedly improved the performance of the suspension, but the suspension at this time is still a passive suspension, which has great limitations in many aspects. For example, the fixed suspension stiffness and damping coefficient can only satisfy the ride comfort and handling stability in the structural design. The compromise between the contradictions cannot reach the ideal state of suspension control.

Although passive suspension has achieved the goal of low cost and high reliability by continuously improving passive components in its design, it has not been able to solve the contradictory requirements between comfort and handling stability at the same time. For this reason, the concept of active suspension was created in the 1950s and 1960s, which can actively control the vibration of the car by using electronically controlled hydraulic components according to the vibration of the suspension. At this time, car suspension lift kit 

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