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Time：2021-12-01Views：0
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, 3007 cooling fans are often heard from customers It is said that there is a noise problem. As time goes by, the number of noise problems is increasing. Is there any way to solve it?
The best and most effective way is to replace better bearings. At present, most of the 3007 fans made by manufacturers use oil-containing copper bearing fans. This kind of rough bearing has a good sound under the action of lubricating 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 very well. At present, only the Japanese ISC brand can make such thin and small balls.
In addition, in response to the noise problem of the oil-containing 3007 cooling fan, Jingyangda has made improvements in the following aspects. First, the special mold 3007 bearing has been opened independently, which is fully compatible with this size-opened bearing mold. This fineness is better than that The bearing of the common model can be used for many fans is much better. Second, the principle is the same when opening a special mold shaft core. 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 less volatile and prolong the silent performance.
From the above three aspects, it can effectively extend the mute effect of the cooling fan to more than one year, but the cost will be about 0.8 yuan higher than the ordinary one. For customers who require mute, you can consider this mold.
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