Detailed explanation of the types of modified car shock absorbers
Detailed explanation of the types of modified car shock absorbers
There are many parts in the chassis suspension system and they can be classified widely, but if you want to say that the most influential part must be the shock absorber. Riders must love and hate shock absorbers. We all know that shock absorbers are composed of shock absorbers and springs (airbags). Modifying the shock absorbers of our cars is nothing more than wanting to make our cars Be more comfortable, or better handle, preferably both comfort and handling. Today our popular science is to introduce the types of shock absorbers in detail, and how to choose a set of easy-to-use modified shock absorbers.
The shock absorber kit can be said to be the type of modified shock absorber that I recommend the most to riders, but it is also the recommended product with the lowest success rate. This type of shock absorber set can take into account comfort and control, and has a simple structure, which can achieve the effect of lowering the body and improving certain control performance without losing or even improving comfort performance.
In fact, this kind of shock absorber package products are often designed according to the original factory standard, or in a state similar to the original factory standard. Most of the springs used are large-diameter springs. It is the well-known "short spring", combined with a slightly harder shock absorber body with damping adjustment, to improve the handling experience. This combination is generally called an enhanced shock absorber package product, such as Koni's adaptive body With Eibach short spring, or bilstein's B12 suit and so on.
Coiled shock absorber kit, in fact, you can adjust the stroke of the spring in contact with the body by adjusting the large thread on the body of the shock absorber to change the height of the body, and you can adjust the damping change of the body through the knob on the top or bottom of the body , to enhance handling or improve comfort. The adjustable shock absorber has been used in the racing field. It was originally developed to adjust the damping to cope with different track characteristics and different drivers' driving habits. By adjusting the knob on the top of the barrel, the opening angle of the internal piston valve is adjusted, thereby changing the flow rate of the damping oil to set the damping settings of different hardness.
However, the adjustment of the damping is not really so magical. The damping of the shock absorber is soft and hard, and it still needs to be matched with springs with different kilogram data to finally adjust the effect of comfort without losing control. If the damping and spring are not well matched, The car will have a sluggish sense of the road surface, and even the tires cannot touch the ground flexibly, which is counterproductive. Therefore, the quality of the coilover suspension is really related to a lot of factors, the installation and adjustment in place, and the driver's feeling are all important factors. Therefore, I will recommend riders to feel more about the shock absorbers of other riders, and finally choose a set of products that I think is suitable. Don't follow others' advice, and don't pursue high prices.
After introducing the types and functions of the shock absorber, let's go a little deeper and talk about some things that the general car modification masters don't know, and purely analyze the internal structure of the shock absorber.
The single-barrel shock absorber is mainly composed of two pistons, a tube body and an axis, and its structure is very simple. The first piston on the top is connected to the shaft center and moves up and down close to the inner side of the pipe body. The second piston is independent from the lower half of the shock absorber. The upper part is damping oil and the lower part is high-pressure gas.
The biggest advantage of the single-barrel shock absorber is the quick response of the piston action, and because of the larger area of the piston, there are more holes for damping adjustment space, and because of the simple structure and the separation of damping oil and high-pressure gas, not only The heat dissipation is good, and there will be no oil-air mixing, and the problem of thermal decay is not easy to occur.
The biggest disadvantage of the single-barrel shock absorber is that the movable stroke is small, and the effective stroke is less than half of the cylinder body. Moreover, due to the large contact surface of the piston, the manufacturing precision is extremely high. If the precision is not enough, or the material is not good, or the cylinder body is deformed, the single-barrel shock absorber will be scrapped directly.
The compound cylinder shock absorber has a complex structure and is composed of precision parts such as an outer tube, an inner tube, a piston, a shaft, and a valve connecting the oil circuit of the inner and outer tubes. Basically, the outer tube is only used to accommodate damping oil and low-pressure gas, and the piston is It moves up and down in the oil-filled inner pipe, and when the inner pipe is under pressure, the damping oil will flow to the outer pipe through the valve of the oil circuit, so that the damping oil in the outer pipe can compress the low-pressure air to achieve the effect of shock absorption, so The gas pressure in the compound cylinder shock absorber is relatively small, which can reduce the chance of oil seal damage。
The biggest advantage of the compound cylinder shock absorber is that the stroke is longer, almost the length of the tube body is the effective movement stroke, and because the piston size is small and the gas pressure is low, the resistance of the upper and lower pistons in the inner tube is small, which can ensure shock absorption The comfort of the device and the longevity are excellent.
The disadvantage of the compound cylinder shock absorber is also obvious, that is, the oil and gas in the outer tube are not separated, and the gas and oil will produce tiny bubbles during vigorous driving, resulting in very obvious heat attenuation. In addition, the structure of the compound cylinder shock absorber is complicated, the design and development costs are extremely high, the price is often high, and the subsequent maintenance costs are also high.
To sum up, the detailed introduction of the shock absorber is just that much. I believe that the knowledge of shock absorbers for modified riders is definitely enough to understand this level. If you choose to modify the shock absorber according to your needs , I believe that car fans should have a certain understanding, at least they should not be deceived.
Well, that’s the end of today’s science popularization. In the next issue, we will continue to conduct science popularization on other auto parts of your car. If you have any questions, please feel free to leave me a message or send me an email, SNW They will reply one by one.
