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Time：2022-02-14Views：0
The characteristics of the cooling fan itself are different from other products. The cooling fan actively agitates the air and accelerates the air flow, so it also sucks in dust at the same time. There are two main aspects of inhaling dust. One is sucking into the bearing, and the other is sucking into the rotor and stator. Inhaling dust has more or less influence on the cooling fan. Common methods generally start from the following two aspects.
1. When designing, increase the height of the outer frame where the motor is installed to allow the motor to sink, reduce the distance between the stator and the rotor, and reduce the entry of dust
2. Using double ball bearings, the balls have a certain degree of dust resistance, and the bearings are not susceptible to serious interference
In addition to the above two aspects to protect the cooling fan from dust, adding a dust-proof net to the fan is also a very effective way. Because the cooling fan with a dust-proof design is used less, most manufacturers do not have such a mold, so it is more advisable to add a dust-proof net when the mold is not opened.
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