1) tile surface corrosion: spectrum analysis found that non-ferrous metal elements abnormal concentration; Iron spectrum in appeared many non-ferrous metal components of sub-micron wear particle; Oil water overweight, acid value exceeds bid.
 
2) shaft neck surface corrosion: spectrum analysis found that iron concentration is unusual, many of iron spectral composition of submicron particles of iron, lubricating oil moisture exceeds bid or acid value exceeds bid.
 
3) shaft neck a surface: iron spectrum in the iron series cutting grits or black oxide particles, the metal surface HuoSe back there.
 
4) watts back fretting wear: spectrum analysis found that iron concentration is unusual, iron spectral many iron composition sub-micron wear particle, lubricating oil water and acid value abnormalities.
 
5) bearing surface strain: iron spectral cutting grits are found, grits for the nonferrous metal components.




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