Tips For Better Bearing Maintenance
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Fan bearing failure reason analysis
by：Waxing
2020-11-14
1, the fan bearing failure reason analysis in actual operation of the device, can cause there are a lot of fan bearing failure factors, specific as follows: (
1)
Air cooling fan overload self-aligning roller bearings, bearing oil film caused damage, caused the bearing wear.
Caused by the reasons are: the fan blades Angle adjustment is too large, rotating parts and static friction;
Turn the belt too tight;
Work bearing gap is too small and operating time is too long, etc.
（
2)
Lubricating oil problems.
Lubricating oil viscosity too high or too low;
With impurity particles in lubricating oil, grease with insufficient water oil emulsification and grease, etc.
（
3)
Parts and assembly.
Parts quality is unqualified;
Rolling element bearings and slide surface is rough, low accuracy;
Bearing clearance is too large;
The fan shaft and horizontal not vertical;
Individual blade is broken, the fan bearing box fixed weak;
The fan shaft and motor shaft parallel to exceed bid.
2, aromatic workshop air cooling fan bearing failure analysis in view of the above easy cause air cooling fan bearing failure of many factors, combined with the aromatics extraction unit of air cooling fan operation and maintenance practice, fan bearing failure factor analysis: in the extraction of air cooling, a total of 1 in 4 sets of air cooling repair, causes of the analysis of air cooling fan bearing failure analysis mainly has: (bearing manufacturer
1)
Air cooling fan bearing overload, fan vibration cause bearing oil film damage, caused the bearing wear and failure.
（
2)
Air cooling rotation belt too tight, too loose or tightness.
（
3)
Parts and assembly causes of bearing failure.
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