What is the primary problem with sliding bearings?

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What is the primary problem with sliding bearings?

Source: China Bearing Network Time: 2014-03-06
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When the sliding bearing is in operation, the contact between the journal and the bearing bush will collide; it will cause external heat and wear and even “bite”; therefore, when drawing the bearing; the bearing material should be made of sliding bearing with good friction reducing property; And choose the appropriate supply method; improve the layout of the bearing to achieve thick film and so on.
1. Corrugated surface corrosion: Spectral analysis found that the concentration of non-ferrous metal elements is abnormal. The sub-micron-scale wear particles of many non-ferrous metal components are present in the iron spectrum, and the smooth oil moisture overruns and acid value overruns.
2, the outer surface corrosion of the journal: spectral analysis found that the concentration of iron is abnormal; there are many sub-micron particles of iron in the iron spectrum; smooth oil moisture overrun or acid value overrun.
3, the external appearance of the journal: there are iron-based cutting abrasive black oxide particles in the iron spectrum; metal appearance has tempering color.
4, fretting wear on the tile back: spectral analysis found that the iron concentration is abnormal; there are many iron sub-micron wear particles in the iron spectrum; smooth oil moisture and acid value is abnormal.
5, bearing external strain: found in the iron spectrum cutting abrasive; abrasive particles are non-ferrous metals.
6. Wafer surface shedding: There are many large-scale fatigue-shedding alloy wear particles and layered abrasive grains found in the iron spectrum.
7. Bearing burnt tile: There are many large-scale alloy abrasive grains and black metal oxides in the iron spectrum.
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