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Micro Cooling Fan resulting in the appearance of resonance

Date: 2015-7-23   Click: 1762 Times

"Micro Cooling Fan" blades "eccentric": the quality of the fan, its blades in the axial center of gravity, when the job is very smooth, very little noise, and poor fan, there will be a positive error, the focus of blades does not constitute "the eccentric" in the axis, so that after the "Micro Cooling Fan" change up, is equivalent to a vibrator (vibrator motor shaft is pain plus a partial round), followed by the use of time becomes longer , fan bearings gradually wear, or fan heat sink device is not robust, loose, etc., will cause increased noise fibrillation increases. Also may be due to "Micro Cooling Fan" poor quality, lubrication is not good, just initiate turn very astringent, and so turn to live, there was a softening lubricants, movement smaller.

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