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/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Home>Bearing knowledge>SKF roller bearing smoothing agent view SKF roller bearing smoothing agent viewing method
Apply a little smoothing agent to the conflict between the two fingers; if there is a contaminant; feel it, or apply a thin layer of smoothing agent on the back of the hand; then seal it. /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
Then it is to replace the smoothing agent of the roller bearing.
Use oily smooth roller bearings to remove old oil; if possible; fresh oil should be refilled and the machine rotated at low speed for a few minutes. The oil can be used to collect residual contaminants; then diarrhea These oils. Pay attention to: the oil is best filtered before use. The SKF bearing with smooth grease is used to replace the grease; the used cutter should prevent the joint with cotton to any part of the bearing. Because these residual fibers can be wedged between the rolling elements and form damage; especially the use of small bearings need to pay attention to this problem.
After a period of motion; the oscillation and noise are kept at a certain level; the spectrum is very simple; only one or two times the frequency is present. The spectrum of three times the power frequency is rarely presented; the condition of the roller bearing is very stable;
After continuous operation, it enters the late stage of operation; SKF bearing oscillation and noise start increase; sometimes it shows an abnormal sound; but the change of oscillation increase is slower; at this moment; the angle of the angular contact ball bearing kurtness value suddenly reaches a certain value. We think that; It is manifested as an initial problem.
At this time; it is necessary to closely monitor the SKF bearing; pay close attention to its change. After that; the bearing kurtosis value starts to decrease rapidly; and approaches the normal value; while the oscillation and noise start increase significantly; When the oscillation exceeds the oscillation specification (such as the ISO 2372 specification); its bearing kurtosis value also begins to increase rapidly; when it exceeds the oscillation specification; and the kurtosis value also exceeds the normal value (available kurtosis relative specification); we think Roller bearings have entered the late stage of the disease; need to repair equipment in time; replace the bearing.
Bearings exhibit late-stage fault characteristics to present severe problems (usually bearing damage such as axles, burns, sand cracks, raceways, bead wear, etc.) that do not exceed one week at all times; the larger the equipment capacity; the faster the speed; The shorter the interval is. Therefore, in the practice of SKF bearing fault diagnosis; once the late fault characteristics are found; the bearing should be judged to be faulty;
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SKF roller bearing smoothing agent viewing method
Source: China Bearing Network Time: 2013-04-23