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Shock Absorber Assembly Development History And Prospects
- Jul 17, 2018 -

In 1908, the world's first hydraulic shock absorber was successfully developed.

From the emergence to today, there has been more than 100 years of history. The earliest vehicle shock absorption system consists of a spring. It uses a partition to divide the rubber throttle passage into two parts, and the oil and the throttle passage friction to achieve shock absorption. purpose. Although the spring can reduce the impact of the road surface, the performance is more reliable, but it is easy to cause resonance.


Rocker arm shock absorbers were widely used in the 1930s

The working pressure is between 10MPa and 20MPa, but the structure is complex, easy to damage, large in size, and finally eliminated. After World War II, the simple hydraulic shock absorber replaced the rocker type shock absorber, which has low cost and long service life, but it is prone to the problem that the oil filling is not timely. If the oil is not timely, it will affect the shock absorption effect and generate noise. Shock.


Until the 1950s, the emergence of inflatable shock absorbers solved the above problems.

Filling the double cylinder with nitrogen gas with a low pressure of 0.4 MPa to 0.6 MPa can solve the problem that the oil filling is not timely. At the same time, the single-cylinder gas-filled shock absorber has also begun to develop. It adopts the structure of floating piston to make the filled nitrogen form a high-pressure gas of 2.0MPa~2.5MPa, which is superior to the double-tube shock absorber, and has light weight and good performance. But its cost is higher.


With the rapid development of technology and economic level, people's requirements for automobiles are getting higher and higher. It is becoming a global trend for auto parts manufacturers to break away from vehicle manufacturers and form specialized parts groups. Many shock absorber manufacturers in foreign countries have designed specialized research institutes to improve and research new products, new materials and new processes, and to manufacture a large number of new shock absorber products and put them on the market. It is a general trend that ordinary shock absorbers will be replaced by shock absorber assemblies with better installation and better performance.


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