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What are the factors related to the life of the cooling fan?

:2021-01-13 :192

   When we choose a cooling fan, the first thing to consider is the life span. How long can it be used? Then what factors do the life span of the cooling fan depend on? The main is the bearing, then the ambient temperature, the balance of the fan blade

   1. Bearings: the life of double ball bearings is nominally 50,000 hours, and the life of oil-impregnated bearings is nominally 3 hours (under normal temperature and normal conditions)

   2. Ambient temperature: the higher the temperature, the shorter the service life, especially the oil-bearing cooling fan, which is particularly sensitive to high temperature

   3. The balance of the fan blades: the fan blades are poorly balanced and shake badly. After a long period of time, noise first appears, and then it may be stuck.

Although in the mold design, we have tried our best to make the fan blades more balanced. If the fan blades still shake during operation, we have a high-precision dynamic balancing machine to correct and repair, so that the fan blades run more smoothly and have a longer life. Long, this is ignored by many cooling fan factories

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