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In most mechanical mechanisms, shock absorbers are also called dampers. It is a mechanical or hydraulic device designed to absorb and damp shock pulses. The device is realized by converting the kinetic energy of electric shock into another form of energy, and then dissipating it through natural processes. Regarding shape design, most shock absorbers are of the same type, and are dampers that resist movement through viscous friction.
Shock absorbers are widely used in the automotive industry and the motorcycle industry. They help drivers and riders to stabilize vehicles better by setting up a sensitive suspension system. This system is used to limit excessive movement of the suspension. The purpose of the shock absorber is to damp the vibration caused by the spring. The shock absorber uses the oil and gas of the valve to absorb the excess vibration of the spring. The spring standard is set by the manufacturer according to the weight of the vehicle.
There are different types of shock absorbers. The most common one is a spring-type shock absorber. Its structure is a coil spring or a leaf spring, although torsion bars are sometimes used in torsion shock absorbers. But it is not a kind of shock absorber. In fact, since the spring only maintains force and does not consume or absorb it, it is used in shock absorbers.
In the automotive industry, vehicles often use hydraulic shock absorbers and springs or torsion bars. In this combination, the term shock absorber refers specifically to a hydraulic piston that absorbs and dissipates vibration. At present, the composite suspension system is mainly used for two wheels, and the leaf spring is also made of composite material for four wheels.
In general, like the carriages and railway locomotives, early cars used leaf springs as their main parts. One of the key characteristics of these springs is that the friction between the blades provides a certain degree of damping. In the study of vehicle suspensions released around the 1910s, helical springs were unable to be used as the main spring due to lack of this characteristic.
However, the amount of damping provided by the frictional force of the leaf spring is limited and will vary according to the conditions of the spring. The front suspension of motorcycles began to use Druid forks suspended by coil springs from around 1906. A similar design later added a rotary friction damper, which can be in both way damped and manually adjusted. These friction disc shock absorbers are also installed on many automobiles.
In the construction of shock absorbers for vehicles, there are mainly two types, one is a mono tube, and the other is a twin tube. A mono tube appeared in the 1950s. It is a gas-pressurized, also in the form of a coil, consisting of only one tube and a pressure tube. Although it has two pistons as a basic frame, it is mono.
These pistons are called the working piston and the dividing piston, and they move in relative synchrony inside the pressure tube in response to changes in road smoothness. As a matter of fact, the two pistons also completely separate the shock's fluid and the gas components. The mono tube shock absorber is consistently a much longer overall design than the twin tubes, granting it difficult to mount in passenger cars designed for twin-tube shocks. Such design has its own advantages.
These pistons are called working pistons and dividing pistons, they will move synchronously according to different flatness of the road surface. In fact, the two pistons also completely separate the shock absorbers fluid and gas. Mono tube shock absorbers are generally longer than twin tube shock absorbers, which make it difficult to install them in passenger cars designed for twin tube shock absorbers. Such a design has its own advantages.
On the other hand, two tubes (also called twin tubes) are composed of two nested cylindrical tubes, an inner tube or pressure tube and an outer tube called a reserve tube. At the bottom inside the device, there is a compression valve or basic valve. When the road bumps force the piston to move up or down, the hydraulic fluid will move between different chambers through the small holes in the piston, convert the impact energy into heat, and then dissipate.
The installation of shock absorbers must be completed by professional technicians, who will first carry out technical estimates based on the load, materials, expected road conditions and many other key parameters. Installation also requires professional knowledge in order to make full use of the internal parts of the shock absorber and maximize the safety of vehicle users.
In mechanical structures, shock absorbers are mechanical or hydraulic devices used to absorb and attenuate shock pulses. The device converts the kinetic energy of the impact into another form of energy and dissipates it. Regarding shape design, most shock absorbers are of the same type, and are dampers that resist movement through viscous friction.
All movable machinery will face the problem of vibration, and the vibration may have a serious impact on the machine and the processing results. The way to reduce this effect is to install shock absorbers for pressure distribution. Therefore, the application of shock absorbers is very common, not only in the automotive industry, but also in the automation industry, movable inspection equipment and other similar equipment.
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