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Why does the micro cooling fan sound bad when it first starts up?

by:TOCH     2021-03-26
When the miniature cooling fan is first energized, especially the oil-bearing miniature cooling fan, a little noise is often heard. What is the reason? Because the rotor blades have not turned smoothly due to the lubricating grease at the beginning, the speed has not reached the normal speed, and the speed is relatively slow, so the resistance of the shaft core is relatively large at this time, and we will hear a small squeaking sound. After generally running for 3-5 minutes, this sound will disappear and the speed will reach normal. Welcome to the heat dissipation classroom and news center of the cooling fan manufacturer again. The copyright belongs to the cooling fan manufacturer and represents only personal opinions. Please do not reprint the whole article. Any violation will be held for legal responsibility. If you need to know more about the cooling fan manufacturer's product introduction, please Click on the product center
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