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[Do you know about heat dissipation] Why does the heat dissipation fan leak oil?

Release time:

2019-06-19

Have you found that there is sometimes oil leakage when running the heat dissipation fan? Although this kind of situation does not happen often and there is no big problem with the fan itself, it will also waste resources. After all, the oil also costs. Therefore, in order to avoid this situation, we need to maintain the fan frequently. What are the specific oil leakage situations? 1. The oil supply for lubrication of the bearing box is too high, the lubricating oil is supplied from both sides of the top of the bearing box. The bearing box is equipped with an oil ring, and the flow is controlled by an oil supply throttle valve. If the oil supply flow is high, the fan heat is affected by the high-speed operation of the rotor and the high temperature rise of the lubricating oil, which will inevitably cause the limit of the most

Have you found that oil leakage sometimes occurs when running the heat dissipation fan? Although this situation does not happen often, yesFan hot fanThere is no big problem in itself, but it will also waste resources. After all, oil also costs money. Therefore, in order to avoid this situation, we have to maintain the cooling fan frequently. What are the specific oil leakage?
1. The oil supply of the bearing box lubrication is too high. The lubricating oil is supplied from both sides of the top of the bearing box. The bearing box is equipped with an oil ring, and the flow is controlled by the oil supply throttle valve. If the oil supply flow is high, the fan heat is affected by the high-speed operation of the rotor and the high temperature rise of the lubricating oil, which will inevitably cause the limited maximum oil level to be lower than the actual oil level in the bearing box, resulting in oil seal leakage. Furthermore, excessive pressure of lubricating oil will also cause leakage of shaft seal.
2. The oil pipe route interface is not tightly sealed, and the shaft seal is the most prone to oil leakage in the bearing box. If the O-ring and skeleton oil seal of the heat dissipation fan shaft seal are worn for a long time, aging and improper assembly process during maintenance, this situation will occur,
3. Oil leakage of hydraulic cylinder, lax sealing of hydraulic cylinder of heat dissipation fan, or too large clearance, and lax combination of layers will cause oil leakage of hydraulic cylinder.
4. The quality of lubricating oil is unqualified. Some not in accordance with the provisions of the oil quality of regular testing, particle size exceeded the rubber seal caused by wear, or lubricating oil containing moisture, causing the servo valve rust, damage, resulting in oil leakage;
Shenzhen Jiangshanlai Electronic Technology Co., Ltd. was founded in Shenzhen, China in 2005. It is a large-scale enterprise specializing in the customization, research and development, manufacturing, sales and service of DC brushless motors, DC cooling fans, cooling fans, cooling fans, DC brushless fans, DC bracket fans, pressurized cooling fans, micro cooling fans, DC blowers, and non-standard fans, DC fan wholesale manufacturers and DC fan suppliers.

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