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The metallurgical quality of bearing material was the main influencing factors of early failure of SKF bearing. With the metallurgical technology ( such as vacuum degassing of steel bearing ) improved, improved quality of raw materials. Raw materials quality factors of failure analysis of the proportion has decreased significantly in the whole camshaft bearing, but it is still one of the main influencing factors of bearing failure. Proper selection is still bearing failure analysis of factors that must be considered.
The main tasks of bearing failure analysis, is based on the analysis of the data and the failure form of the large amount of background material,, and find out the cause of the SKF bearing failure factors, in order to put forward the improvement measures, to extend the service period of spherical roller bearings, avoid unexpected early bearing failure.
Bearing vibration of bearing failure effect is very significant. For example: peeling, indentation, rust, crack, wear will be in the SKF bearings vibration detecting reflected so the eccentric bearing vibration measuring device special ( frequency analyzer and vibration meter ) can be measuring the size of the vibration can be inferred from the detailed numerical abnormal vibration measured by SKF bearing the use of the premise or sensor installation location and different therefore require prior to each machine measurements were compared to determine scale by frequency distribution.
1 reasons: low method, whole camshaft bearing accuracy : the provisions bearing precision grade
2, reason: the shaft bending or holes are not concentric method: repair of spindle or box
3, reason: belt is too tight : adjust the belt to make proper tightness
4, reason: poor lubrication method: select the stipulated lubricating material and appropriate cleaning
5 reasons: low quality, assembly method: improve the assembly quality
6, reason: shell laps method bearing : the replacement of bearings and related components and wear
7, the axial force is too large, adjust the cleaning method: sealing clearance requirements between 0.2 ~ 0.3mm, the impeller balance hole diameter and check static balance value
Method 8: replacement of SKF bearing damage, bearing.
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