A rotary damper is a rotational device to decelerate an objective's movement, either rotary or linear movment.
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Rotary dampers are capable of generating significant resistance or torque, effectively controlling motion in mechanical systems.
Besides the factors mentioned above influence the damper working.
Also the oil viscosity inside the damper determines its torque, which varies with temperature'higher temperatures lead to lower torque, and vice versa.
The damper's torque also increases with rotation speed.
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That is why Engineers designing a damper need to know the application's working temperature and required torque to tailor the damper's performance. This ensures the damper provides the right amount of resistance for its specific use, efficiently dissipating kinetic energy as heat.
Rotary dampers are made from strong plastics or metals, with oil viscosity and precise construction affecting their performance.
They're chosen for specific uses, like toilet seats, where materials must resist detergents, leading to the selection of PBT and zinc alloy for durability and strength.
Material choice is key, considering the environment, cost, and how long the product is expected to last, ensuring the damper works effectively for everything from electronics to heavy machinery.
With the rapid development of modern society, more and more technologies are widely used in aerospace, aviation, automobiles, real estate and other industries. So, what are the advantages of damper ? Where are they used? Let's take a look below.
The damper is a hydraulic feed speed control device that can freely adjust the feed speed of the cylinder from low speed to high speed and control it within the required range. Simply put, it is a device that can resist the vibration and exhaust force of the safety valve.
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During the thermal expansion of the pipeline, the damper allows the pipeline to move freely without applying additional stress to the pipeline. Wide load range (600 kn); Working stroke length (500mm); Large damping force, fast and reliable action. In particular, it will not resonate with pipelines and equipment suitable for low-frequency and large-amplitude shell environments; adapt to various working environments: higher than normal temperature, lower than normal temperature, high humidity, high salt, dust, nuclear radiation and other environments.
The damper can freely adjust the feed speed of the cylinder from low speed to high speed. There are two control modes of spring return type (RB type) and air return type (R-A type), which can be selected according to the application.
In general, the performance characteristics of damper are as follows:
1. Fast dynamic response: large damping force and short dynamic response time;
2. Low friction resistance: The friction resistance is low, generally lower than 1%-2% of the rated load;
3. Swing angle: joint bearings are used for the head and tail hinges, allowable swing angle is 6;
4. Long service life: The hydraulic shock absorber adopts special hydraulic oil and sealing medium, which has stable performance and long sealing life;
5. High temperature operation: Can work continuously at 93, short-term operation stability can reach 148.
6. Good corrosion resistance: The main components are made of high-quality stainless steel with good corrosion resistance;
7. Compact structure, reasonable force, compact and symmetrical structure, small installation space, and more reasonable force.
So, damper is a vibration control device that is sensitive to speed response. Hydraulic dampers are mainly used for the vibration of pipelines and equipment such as nuclear power plants, thermal power plants, chemical plants, and steel plants. It is often used to control piping system vibrations caused by shock fluids and seismic disturbances. The damper can effectively control low-amplitude high-frequency or high-amplitude low-frequency vibration, because the drill bit power head uses a damper.
damper can be widely used in nuclear power, thermal power generation, steel, petrochemical and other industries. The objects that hydraulic dampers can protect include piping systems, main pumps, important valves, important pressure vessels, steam turbines, main bearings, etc.
The above are some knowledge points about dampers. I hope you can seriously study and understand the relevant knowledge and choose the products and equipment suitable for your needs. We are the manufacturer of damper , if you want to know more about this aspect, please contact us.