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6204KA/C3 Bearing |
11,29,2016 |
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6204KA Bearing |
11,29,2016 |
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6204/C4 Bearing |
11,29,2016 |
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6204/C3 Bearing |
11,29,2016 |
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6204 Bearing |
11,29,2016 |
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6204 Bearing |
11,29,2016 |
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Bearing 204TN-Z |
11,28,2016 |
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Bearing 204KA-Z |
11,28,2016 |
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Bearing 0204 |
11,28,2016 |
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Bearing 180204 |
11,28,2016 |
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| News details |
Maintenance of Bearing Fault Judgment
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| Time：2016.11.08 News Sources：Shandong Xinkaite bearing Co.,Ltd. Views：
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Bearing in the work because the journal and the bearing contact will conflict, resulting in the appearance of fever, wear and even "killed", so the planning of bearings, should choose a good friction bearing materials produced bearing, select the appropriate lubricant And the use of appropriate supply methods to improve the structure of the bearing in order to obtain thick film lubrication.
1, tile surface corrosion: spectral analysis found that the abnormal concentration of non-ferrous elements; iron spectrum showed a number of non-ferrous metal components submicron wear particles; lubricating oil overruns, acid value overruns.
2, journal surface corrosion: spectral analysis found abnormal iron concentration, iron spectrum in many sub-micron iron particles, lubricating oil overruns or acid value overruns.
3, journal appearance strain: iron spectrum in the iron cutting grain or black oxide particles, the appearance of metal tempering color.
4, tile back fretting: spectral analysis found abnormal iron concentration, there are many iron submicrometer iron particles in sub-micron wear particles, lubricating oil water and acid value anomalies.
5, the appearance of the bearing strain: iron spectrum found in cutting abrasive, abrasive grain composition of non-ferrous metals.
6, tile surface off: iron spectrum found in many large-scale fatigue wear off alloy wear particles, lamellar abrasive.
7, bearing burning tile: iron spectrum in more large-scale alloy wear particles and black metal oxides.
Bearing maintenance and judgments
To determine whether the bearing can be re-used under the inspection, to check the bearing cleaning, carefully check the raceway surface, rolling surface, with the state of the cage wear, bearing clearance increases and whether the impact of reduced dimensional accuracy Injury, abnormal. Non-separation of small ball bearings, etc., with one hand flat end inner ring, rotating outer ring to confirm whether the smooth.
Tapered roller bearings and other separate bearings, the rolling body, outer ring raceway were examined.
Large bearings can not be rotated by hand, pay attention to check the rolling body, raceway surface, cage, retaining wall surface appearance, bearing the importance of the higher the more need to be cautious.
According to the bearing damage degree, mechanical properties, importance, operating conditions, inspection cycle and other related factors to decide. However, if the inspection found the following defects, the bearings can not continue to use, need to replace the new bearings.
(A) Any one of the inner ring, outer ring, rolling element, cage is cracked or notched.
(B) Rings, any one of the rolling elements is broken.
(C) Rolling surface, ribs, rolling significant abrasions.
(D) The cage wear is noticeable, or the rivet is clearly loose.
(E) raceway surface, the rolling body on the corrosion or scars.
(F) raceway surface, rolling the body has a serious indentation or bumps.
(G) Significant creep on the inner or outer diameter of the inner ring.
(H) Significant discoloration due to overheating.
(I) Grease-free oil-free bearings, seals or dust caps are severely damaged.
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