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Professional manufacturing and production of radiator cooling fans, condenser fans and fan motors, etc.

Why does the ultra-thin cooling fan 3007 often have noise problems?

by:TOCH     2021-03-26
For customers who have ultra-thin cooling fans below 10mm, I believe that after a period of more or less use of the cooling fan, there will be noises and abnormal noises of different ranges. It is still very quiet at the beginning. The use time increases, the noise becomes louder and louder, and the grunting sound becomes louder and louder. Why does this happen to the cooling fan? Ultra-thin cooling fan such as 3007, thickness is 7mm, 90% of the manufacturers supply oil bearing or hydraulic structure, the material of this kind of bearing is pressed by copper powder, the precision is poor, but because of Lubricating grease is added between the bearing and the shaft core, so the shaft core will not directly touch the bearing to produce a grunting sound when it starts running. When the cooling fan is used, the high temperature and dusty environment will accelerate the volatilization of the oil. When the oil dries, the dust is sucked into the bearing. At this time, the noise will come out. This is a cooling fan manufacturer that has no way to avoid it. For ultra-thin cooling fans, high-precision double ball bearings imported from Japan, with strong high temperature resistance and strong dust-proof function, more than twice the life of oil-impregnated bearings, mainly for instruments, equipment, and industrial products For products that work continuously for 24 hours, the cooling fan can ensure no noise for 3 years. 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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