Date: 2013-08-27

INA overall eccentric bearing noise Remedy

Metallurgical quality of the bearing material was once to affect the INA Bearing early failure of the main factors. Followed by metallurgical technologies (such as bearing steel vacuum degassing, etc.) to improve the quality of the raw materials to be improved. The quality of the raw material factor in the overall eccentric bearing failure analysis, the proportion has dropped significantly, but it is still one of the main factors bearing failure. The selection is properly still bearing failure analysis of the factors that must be considered.
The main task of bearing failure analysis, is based on a lot of background material, analysis of data, and failure modes to identify the main factors caused INA bearing failure, in order to suggest improvements targeted measures, to extend the service period Spherical roller bearings to avoid bearing burst of early failure.
Bearing vibration bearing failure is very significant. Example,: flaking, indentation, corrosion, cracks, wear, etc. will be reflected in INA bearing vibration detection so through the use of special overall eccentric bearing vibration measuring device (frequency analyzer and vibration instrument, etc.) can measure the size of the vibration frequency distribution inferred abnormal vibration of the details of the measured values ​​due to the use of INA Bearing premise or sensor mounting position, etc. with different measurement value of each machine in advance for analysis and comparison scale determined after judge.
1 reason: the overall accuracy of the eccentric bearing low METHODS: specified accuracy class of bearings
2 reasons: different spindle bent or cabinet hole heart: repair spindle or box
3 reasons: belt too tight: Adjust the belt so elastic proper
4 reasons: poor lubrication methods: and proper cleaning choice provisions grades of lubricating materials
5 reasons: assembly quality low method: to improve the quality of assembly
6 reasons: the bearing shell lap: replace bearings and wear parts
7, the axial force is too large: cleaning, the tone positive seal ring clearance requirements between 0.2 ~ 0.3mm, correct impeller balance hole diameter and verify static equilibrium value
8, bearing damage: replace INA bearings

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