Zhejiang Fengba New Energy Technology Co., Ltd.

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How does the outer rotor axial flow fan reduce noise? Characteristics of noise reduction axial flow fan

The noise problem in the outer rotor axial flow fan has always been a headache. It is necessary to find ways to reduce the noise. At present, there are still many ways to reduce the noise on the market, especially in order to make people's environment better. A noise reduction outer rotor axial flow fan is designed. How to reduce the noise in a specific axial flow fan will be explained below.

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2024

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07

What are the characteristics of axial flow fan and outer rotor fan

With the development of modern industry, fan as an important mechanical equipment, is widely used in all walks of life. In the classification of fans, axial fans and external rotor fans are two common types. So what are the characteristics of these two fans? Here is a detailed introduction.

27

2023

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03

How to operate the external rotor fan? What problems will be encountered in operation?

With the rapid development of the economy, the demand for small external rotor fans is increasing, the requirements are becoming more and more stringent, and the operation steps are relatively complicated, but as long as it is an external rotor fan, the basic general steps are almost the same.

06

2023

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04

Selection and Precautions of External Rotor Axial Flow Fan

1. When purchasing an external rotor axial fan, you need to check whether the axial fan will produce strong vibration and friction sound to determine whether the impeller of the axial fan is normal. Next, check whether there are impurities in the lubricating oil of the fan bearing. Need to replace new lubricating oil.

18

2023

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01

What is an outer rotor fan? What is an inner rotor fan? What are the advantages and disadvantages of each

The inner rotor fan is a spindle or motor composed of iron core and coil. After the power is turned on, the fan generates a magnetic field through the starting copper block in the motor; the DC fan generates a magnetic field and drives the fan to rotate through the Hall IC.

31

2023

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03

Where are external rotor fans used and how to maintain them?

The main shaft outer rotor fan is one of the core components of the stability and durability of the outer rotor fan, which will directly affect the overall performance of the winding machine. The development of external rotor fans has promoted the development of spindle external rotor fans, high-precision servo external rotor fans, high-speed brushless external rotor fans and high-power variable-frequency external rotor fans.

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2023

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