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

What is the reason for the high temperature of the cooling fan bearing?

by:TOCH     2021-02-26
The bearing of the cooling fan is the core component of the cooling fan and plays an important role. If the bearing temperature of the cooling fan is too high, it may damage the bearing and shorten the service life of the cooling fan. Last time, the technician Yi Rongchuan shared with you the maintenance and storage methods of the cooling fan. Today, I will explain to you what causes the high temperature of the cooling fan bearing?  1. The bearing of the cooling fan is of poor quality. After running, cracks appear on the rotating surface of the bearing, resulting in small fragments, falling off and other undesirable phenomena, which destroys the stability and uniformity of the oil film and causes the bearing to heat up.  2. The lubricating oil used in the heat dissipation fan is of poor quality. If it is used too little, the bearing will generate friction and heat, but the lubricating oil can not dissipate the heat, causing the bearing temperature to rise.  3. The quality of the fittings of the rotating bearing of the cooling fan is unqualified, which causes the connection between the bearing and the outer casing to be too tight or too loose.  4. The speed of the cooling fan is too fast or the cooling fan is not installed well, the bearing vibration is too large, the working load is large, and the temperature rises.  5. The sealing felt of the heat dissipation fan is too tight to dissipate heat normally, resulting in heat generation.  The above content is about the reasons that cause the bearing temperature of the heat dissipation fan to be too high. After we understand these reasons, we can pay special attention when using the heat dissipation fan to avoid excessive temperature of the bearing.
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