Hydraulic bearing fan analysis

Source: China Bearing Network Time: 2018-01-06

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The noise problem has always been the primary problem for air-cooled radiators to confuse users; and the CPU frequency has been soaring; the noise problem has become more and more prominent. In order to get better heat dissipation; in addition to improving the heat sink process; Outside the heat sink area; improving the fan volume and wind pressure is the most direct and most useful method; this must be to improve the fan speed. This can lead to more and more noise of the air-cooled radiator; although the use of large-scale fans can be useful Declining noise; but after all, it is not a solution; large-scale fan devices are often limited. The use of traditional Sleeve fans can reduce noise, but its short service life is a problem that cannot be ignored. There is no way to reduce the fan noise as much as possible; together, it can control the cost of the product; the life of the fan is long? This is like the end wish of all electric fan painters.
From the bearing type of the fan can generally pay dividends: Sleeve (oil seal); One Ball + Sleeve (single ball); Two Ball (double ball); they vary from manufacturing process to production cost.
1. Closed oil-retaining depiction. Its improvement has changed the unsealed depiction of the bottom of the traditional fan; sealed the bottom of the fan in all; constitutes a closed oil-retaining depiction. The copy smooth grease evaporates; the copy dust enters the fan. The closed oil-retaining depiction greatly extends the use of the fan. Life expectancy; improved fan type.
2. Large space oil storage depicting. Traditional electric fans are unsealed because the bottom is chosen; smooth oil can't be stored much. The hydraulic bearing fan uses a closed bottom to create a large oil storage space; it can store a lot of smooth grease; keep the bearings smooth at all times. Status; greatly improved the life of the fan.
3. Special low-wear and high-temperature grease. Hydraulic bearing hydraulic fan uses special low-wear and high-temperature grease; its wear rate is low; high temperature resistance; even if the motor is connected for a long time; the motor is at high temperature; the grease will not evaporate; Ensure outstanding smoothness of the bearings.
4. Translucent oil path depiction. This depiction ensures that the bearing and the oil reservoir are intercommunicated; so that smooth grease in the oil reservoir can enter the bearing.
5. Powder metallurgy bearing. Use powder metallurgy; use special metal to make bearings; make the bearing have small and empty; put the bearing into special smooth grease to soak; make the air filled with smooth grease. The fan keeps overflowing during operation; smooth bearing. Cooperation AVC transflective oil path depiction; the bearing and the oil storage tank are connected together; smooth grease can be freely active; real unrestrained self-slip smooth.
6. Special shaft. Use special aerospace data to make the shaft; anti-wear

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