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The primary problem of sliding bearings
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2, the external appearance of the journal: spectroscopic analysis found that the concentration of iron is abnormal; the iron spectrum has many sub-micron particles of iron; lubricating 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; lubricating 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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