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Explanation: Depending on the load, diverse
damage patterns arise in the case of poor
lubrication. When load is low and
slippage also occurs tiny superficial
fractures develop. Since they grow in
large numbers, they appear like spots on
the raceway, fig. 49. We refer to the
terms grey stippiness or micro pittings.
When the load is very high and the lubricant
has, for example, thinned down
due to water penetration, mussel-shaped
pittings develop when the raceways
(fig. 29) are also pressure polished,
When loads are very high and lub
выкрашивание (образование ямок на поверхности трения);
Micropitting and gray stippiness can be detected at an early stage, even months before the production comes to a standstill.
For example, examinations of analyses of damage on bearings often reveal an increase in the number of particles
even before a damage can be diagnosed by means of, for example, a vibration analysis.
Kate Pisman Local time: 13:09 Works in field Native speaker of: Russian