Sliding bearing of the main failures:
1, tile surface corrosion: spectrum analysis found that non-ferrous metal element concentration anomaly;Bearing bearing many nonferrous metals have been found in sub-micron wear particles;Lubricating oil excess moisture, acid value exceeds bid.
2, shaft neck surface corrosion: spectrum analysis found that iron concentration is unusual, bearing in the bearing has a lot of iron composition of submicron particles, water or high acid value oil paint.
3, tile surface spalling, finds many of the big size of the bearing fatigue spalling alloy wear particles, the layered grits.
4, tile back micro wear: spectrum analysis found that iron concentration is unusual, there are a lot of iron in bearing components wear submicron particles, lubricating oil moisture and acid value anomalies.
5, a bearing surface strain: bearing found cutting abrasive, abrasive ingredients for non-ferrous metal.
In June and journal surface strain: bearing iron series cutting grinding grain or black oxide particles, metal surface heat tint.
7, bearing tile burning: there are more bearing by means of large size, alloy and black metal oxides.
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