2013年7月20日星期六

TIMKEN bearings how to carry out regular maintenance


In order to give full play TIMKEN bearings and long maintained its proper performance, you must do a good job of regular maintenance (periodic inspection).
By appropriate periodic inspection, so that early detection of failure to prevent accidents in the first place, to improve the productivity and economic importance.
1, cleaning
The angular contact ball bearings removed for inspection, photography and other methods to do first with the appearance of records. In addition, to confirm the remaining amount of lubricant and lubricant samples, and then cleaning bearings.
a, bearing cleaning of rough wash and sperm washing and can be placed in the bottom of the container used metal grid.
b, coarse wash, brush, etc. used in the oil or grease removal adhesive material. If turning point in the oil TIMKEN bearings, attention and other damage due to foreign objects rolling surface.
c, sperm washing, in the oil slowly rotating bearings should be carried out carefully.
Commonly used cleaning agents for the neutral water diesel or kerosene, is sometimes necessary to use warm lye. Regardless of what kind of cleaning agent filter should always be kept clean.
After cleaning, immediately TIMKEN bearings coated rust grease oil or rust.
2, check with the judge
In order to determine the angular contact ball bearings removed can re-use, to focus on checking the accuracy of its size, rotation accuracy, internal clearance and the mating surface raceway, cage and ring.
On the inspection results, may be used to bearing or bearings were judged proficient.
Determine the mechanical properties and the criteria according to the degree of importance and checking cycles vary. If the following injury, the bearings must not be reused and must be replaced.
1) bearing parts breakage and defects.
2) rolling surface raceway material peeling.
After installation of the bearing, if not carefully for alignment, alignment may lead to angular contact ball bearings subjected to additional load, friction and vibration. These may accelerate fatigue and reduce bearing life, and may damage other machine parts lifespan. In addition, the increased vibration and friction may significantly increase energy consumption and risk of premature failure.
3, the basic condition monitoring
During use, often the basic operation of TIMKEN bearings for monitoring external conditions, such as temperature, vibration and noise measurements, and so on. These regular inspections will identify potential problems and prevent unexpected machine stop, so that production plans are realized, to improve plant productivity and efficiency.
4, re-lubrication
During operation, the bearing requires a correct re-lubrication, perfect its performance. Bearing lubrication methods, divided into grease and oil lubrication. In order to play well bearing function, first, to select suitable conditions, the use method for the purpose of lubrication. Only consider lubrication, oil lubrication dominant. But there can be simplified grease around the bearing structure of expertise.
5, Remove
When the bearing will reach its final use period of time, it should be replaced. Although bearings can no longer be used, but the right to remove the original angular contact ball bearings, and timely replacement of new bearings, new TIMKEN bearings for extended life can play a good role in promoting. First, remove the appropriate use of methodological tools will help prevent damage to other components of the machine, and the second, incorrect clutch bearing be removed operator hazard.

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