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

Can an axial cooling fan be quiet?

by:TOCH     2021-02-26
There are many products that require small and thin axial flow cooling fans, such as 2006, 2507, 3007, 4007, etc. These miniature ultra-thin cooling fans with a thickness of less than 10mm, such as 3007 cooling fans, often heard from customers Speaking of noise problems, the number of noise problems is increasing over time. Is there any way to deal with it? The best and most effective way is to replace with better bearings. At present, most of the 3007 fans made by manufacturers use oil-containing copper bearing fans. This kind of rough bearing just starts to sound good under the action of smooth oil and takes a long time. If the oil volume is reduced, the noise will come out. If double ball bearings are used, the sound can be improved. At present, the thin and small balls can only be made by the Japanese ISC brand. In addition, for the oil-containing 3007 cooling fan Regarding the noise problem, Jingyangda has made improvements in the following aspects. First, the 3007 bearing of the special mold was independently developed, which is fully compatible with the bearing mold of this size. This precision is better than that of the common model of many fans. a lot of. Second, the principle is the same when opening a special mold axis. Third, the fan blade balance coefficient is made smaller, so that the balance is better, and the cooling fan is more balanced when running. Fourth, the hydraulic structure is adopted to make the lubricating oil not easy to volatilize and prolong the silent performance.
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