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[Automotive AC Fan] Interpretation of Performance

by:TOCH     2021-02-26
[Automotive AC Fan] Interpretation of Performance u003cbru003e Automotive AC fans use relatively high automotive bearings. There are several tiny steel balls around the axis in the bearing. When the fan or the axis rotates, the steel balls will follow. Because they are all spheres, the friction is small and there is no problem of oil leakage. The advantage of car fans is that they have a longer life span, about 50,000 to 100,000 hours; they have good anti-aging performance and are suitable for fans with higher speeds. The disadvantages of automotive bearings are high manufacturing costs and maximum noise at the same speed level (because the friction point of the ball bearing is increased by 2 times). Automotive wind bearings and hydraulic bearings have better sealing properties, especially automotive bearings. The automobile bearing is completely embedded in the fan, and the rotating part is not in direct contact with the outside world. In a sealed environment, the working environment of the bearing is relatively stable. Therefore, almost all large-diameter fans at 5000 rpm use automotive bearings. The hydraulic bearing has a unique return type oil circuit, so the possibility of lubricating oil leakage is small. u003cbru003e It can be said that most high-speed and long-life fans are designed with automotive bearings, which is related to the characteristics of automotive bearings. In fact, Youzhi’s magnetic shaft bearings and hydraulic bearings can achieve a long life, but they are technically more complicated than automotive bearings and do not have any advantages in cost. Therefore, most of the fans that pursue longevity still use automobile bearings. This is how automobile AC fans come from. u003cbru003e u003cbru003eFriendly link: u003cbru003eAC cooling fan http:///products-detail.asp?cpidu003d82 u003cbru003eMini car fan http:///products-detail.asp?cpidu003d60
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