• Cooling Fan - Selection of Fan Bearing System Jul 02 , 2020
    The cooling fans reliability of their bearings is very important, and the type of bearing used by the fan is also very important. So how to choose the cooling fan bearing system? The best fan bearing system for cooling fans is double ball bearing. The advantages and disadvantages of sleeve bearing, ball bearing in fan bearing system as follows: Advantages of using sleeve bearing 1. Resistant to im...
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  • IP Protection Level of Cooling Fan Jun 01 , 2021
    Cooling fans are widely used, and their application environments are different. In harsh environments, such as outdoors, damp and dusty places, cooling fans are generally equipped with waterproof grade, that is, IPXX. IP is the abbreviation of Ingress Protection, and IP grade is the protection grade against foreign body intrusion of electrical equipment shell, which comes from IEC 60529, the stand...
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  • Introduction of some related knowledge about cooling fan noise Jun 11 , 2021
    How to measure the noise of cooling fan? What are the main factors related to the noise generated by cooling fans? How should we reduce the noise of cooling fans? 1、How to measure the noise of cooling fan? Noise is the sound level generated by the cooling fan during operation, and its unit is decibel (dB). Quiet cooling fan, when measuring the noise of the cooling fan, it needs to be carried out i...
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  • What are the reasons for slowing down the speed of DC fans? Jun 17 , 2021
    With the development of Internet information age, Industrial DC fans, Cooling fans, Cross flow fans and AC fans have been applied in many industries, such as household appliances, industrial equipment, electronic equipment, medical aviation and so on. Have you ever encountered such a situation? When the fan is used, the speed of the fan can meet the cooling requirements of the equipment, but when ...
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  • Structure of Cross Flow Fan Jun 22 , 2021
    Generally, a cross flow fan has a multi-blade, long cylindrical impeller with forward multi-wing blades. At present, our cross flow fans are mainly divided into two types: AC cross flow fans and DC cross flow fans. Cross flow cooling fan has a complicated internal structure. Although its impeller circumference is symmetrical, its airflow activity is asymmetrical, and its relative velocity field an...
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  • Material and Structure of DC Fan Jun 28 , 2021
    DC axial fan is made of PBT material. When it is working normally, the service life can be as high as 50,000 hours. The internal structure of the DC has a transformer and a main control board, which will not be affected by voltage fluctuations, so it is used Longer life. High speed axial fan, its rotor contains DC cooling fan blades, which are the source of air activity, the fan axis, and are used...
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  • A Brief Description of Axial Fans Jul 07 , 2021
    Axial fans date back to the horizontally configured windmills of Europe in the Middle Ages. The first electrically powered fans, introduced in the 1880s, were axial fans. Axial flow fans are named for the direction of the airflow they create. When an axial fan works, the blades push the air to flow in the same direction as the axis, so it is called the axial fan. An axial fan, as the name ind...
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  • Blower - The Working Principle of Centrifugal Fan Jul 15 , 2021
    Centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Centrifugal exhaust fans can be widely used for cooling and ventilation in air conditioning equipment, household appliances and medical equipment. The working principle of a centrifugal blower fan is basically the same as that of a turbo compressor, except t...
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A total of 9 pages

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