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/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Home>Bearing knowledge> Rolling sound viewing and disposal of SKF bearings Rolling sound viewing and disposal of SKF bearings
SKF bearing noise is one of the SKF bearing's own attack; that is, the inherent noise of the SKF bearing; the other is the noise that occurs after the SKF bearing is installed; it has nothing to do with the noise of the SKF bearing itself. Let's analyze how to view and dispose of the bearing based on the bearing tumbling sound. /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
a) Inherent noise: the sound of the raceway and various SKF bearings and tumbling conflicts (cylindrical roller SKF bearings) is the inherent sound of the rolling SKF bearing; the rolling sound is caused by the elastic characteristics of the rolling body and the rolling track; When the SKF bearing rotates; the rolling body rolls over the raceway and announces a continuous and slippery sound; abnormal tumbling conflicts can announce an uncomfortable metal conflict abnormal sound such as "cracking, squeaking"; Will announce such a sound. Therefore, it is not a problem under normal circumstances; as long as the noise increases, it is necessary to pay attention.
b) Noise associated with SKF bearing fabrication: including cage noise and vibrato; cage noise is primarily present in ball bearings and tapered roller SKF bearings; when SKF bearings rotate due to cage oscillations and cages and rollovers The attack will announce the sound. This sound has a periodicity. Vibrato (various SKF bearings) is an acoustic sound with a certain frequency; it is caused by oscillations caused by large waviness on the raceway surface. This phenomenon is the most common problem; we need to pay more attention to it in the future. In particular, we are learning some students who have common sense of bearing; we should carefully look at the above key points; maybe you will have some assistance. .
c) Noise caused by improper use: There are various SKF bearings. When the bearing raceway or the tumbling outer surface is bumped, crushed, or rusted, there will be a certain period of noise and oscillation. When the SKF bearing invades dust during work, it will cause dirt noise. This kind of noise is counter-cyclical, the same is accompanied by oscillation, and its sound is not fixed; sometimes it is not.
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Rolling sound viewing and disposal of SKF bearings
Source: China Bearing Network Time: 2013-09-30