The volumetric gear pump is a kind of quantitative pump, which produces a volume change output flow through gear meshing. Under the same material and pressure conditions, the volume of the gear pump depends on the radial dimension and the axial dimension. Through calculation, we draw conclusions. The radial dimension has a much greater influence on the overall volume of the gear pump than the axial dimension, while the radial dimension depends on the internal gear modulus. The smaller the modulus, the smaller the radial dimension. Therefore, reducing the internal gear modulus is an effective way to reduce the material consumption of the gear pump. In the case of performance, the gear pump design should prefer smaller analog gears. If the radial dimension is constant, the axial dimension of the TDY motorized drum mainly depends on the internal structure of the gear pump. At present, there are mainly two types of structures: floating sleeve type and floating side plate type. Because the thickness of the side plate is much smaller than the thickness of the sleeve, it should be Priority is given to the side panel structure.
According to the gear pump oil principle, periodic flow pulsations are generated by meshing one pair of gears one by one. If the oil outlet has an impedance, pressure fluctuations are formed. The mechanical vibration caused by such fluctuations is the main source of noise, which is called natural pulsation noise. Since each pair of meshing gears generates hydraulic shock from the moment of the oil discharge chamber to the oil discharge chamber, if the design of the tooth side clearance is unreasonable, such hydraulic shock will become the main impact noise. If the suction resistance of the pump is too large or the suction port attracts air, air pockets will be generated in the gear pump. The gas dissolved in the work will be separated into bubbles and squeezed to generate a blasting sound. This noise is called acupoint noise. Tests have shown that as the speed and pressure increase, the noise increases. Relatively speaking, the effect of speed on noise is greater than pressure. Therefore, at the same power, it is a good way to reduce noise by using a large displacement pump to operate at a lower speed.
An electronic heat sink is a device used to dissipate heat generated by electronic components such as transistors, integrated circuits, and power semiconductors. It is designed to absorb and transfer heat away from the component to the surrounding environment.Heat sinks come in various shapes, sizes, and materials, depending on the application and the amount of heat to be dissipated. The most common materials used for heat sinks are aluminum alloy and copper, which are good conductors of heat and easy to manufacture. Other materials such as graphite, ceramic, and diamond are also used for specialized applications.Electronic heat sinks work on the principle of conduction, where heat is transferred from the electronic component to the Aluminum Heat Sink through direct contact. The heat is then dissipated into the surrounding air or a liquid coolant, such as water or oil, through convection. Some heat sinks also use radiation to dissipate heat.The effectiveness of a heat sink depends on several factors such as the thermal conductivity of the material, the surface area, the airflow, and the temperature difference between the component and the environment. Electronic heat sinks are often used in conjunction with fans or other cooling devices to improve their performance.
In conclusion, electronic heat sinks are essential components in electronic devices that generate heat. They play a crucial role in ensuring the reliable operation and longevity of electronic components.
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