1, FAG import bearings maintenance, repair, and the processing of abnormal for as long as possible with good condition to maintain the performance of the original import bearings FAG, must maintain and overhaul to prevent accidents, cure, ensure reliability of operation, improve productive and economy. Maintenance of the conditions of the mechanical operation best corresponding operation standard, on a regular basis. Includes, surveillance operation state, add or replace lubricant, regular remove examination.

As to the working maintenance matters, a FAG rotation of the import bearings sound, vibration, temperature, lubricants state, and so on.

2, FAG damage and countermeasures import bearing general, if correct use FAG import bearings, can use to reach fatigue life so far. But there will be unexpected prematurely damage, no ability to use. This early damage, and fatigue life relatively, called the fault or accident quality use limit. Many due to the installation and use of lubrication, do not pay attention to and from external invading foreign body, for shaft, the effect of the shell hot enough, etc.

About the import bearings FAG damage status, such as: roller FAG import bearings rings raised edge card injury, as a cause may be considered, lubricant lack, not suitable for, for the defects of soot structure, foreign bodies, invasion, FAG import bearing installation error, shaft buckling is too big, also can have these reasons superposition.

Therefore, only import bearing damage survey FAG, it was hard to know that the real cause of the damage. But, if know the use of import bearings FAG mechanical, conditions of use, FAG around the import bearings structure, understanding of the situation before and after accident, combined with the import bearings FAG damage status and several reasons investigation, it can avoid the same accident happen again.

The two defects of the local and the base metal combined with rickety, and its surrounding often exist to varying degrees decarburization or the poor carbon phenomenon, material is easily caving, pressure concave or abrasion, to import bearing life and precision FAG is bad.

2, maintains a joint or welding quality:

Main observation rivets head for deviation, whether askew, relaxation, lack of meat or double-fold eyelid, welding position is correct, too small or too large solder joints, ever not firm welding or welding roller phenomenon caused by excessive stuck. Above a few we check FAG in import bearings on the part of the check, in addition to the outside part of the check, another such as typing quality not beautiful, such as illegible, damage, should think defective goods, serious also may not be acceptance.

3, rust, black and hemp dot:

The latter two are easy to store water and dirt, the defects of the most easy to develop into rust. And corrosion is lead to bad installation, early wear and fatigue pollution, serious corrosion will make FAG import bearing damaged



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