Main observation on the rivet head deviation, skew, relaxation, lack meat or "eyelid ' welding is properly seated, insist on riveting or welding quality. Solder is too big or too small, whether loose soldering or welding stuck rolling caused by excessive phenomenon. Above is the focus check check locally, in addition to the above checking.
1, through the surface quality of SKF bearings
SKF bearings in many customers say that as long as the process of bearing surface brightness is good quality, this is wrong. Bearing surface should be the kind of glossy black, this glossy black is bearing caused by using the standard steel and its grinding and cutting fluids are used by, in which the two previous.
2, chamfer is bright
SKF bearing a chamfer does not dictate the quality of bearing, but reflects the SKF bearing's machining methods. Chamfering is black, stating after quenching heat treatment to increase the hardness of bearing, and some people believe that bad angle of the Black Watch is not processed completely, this is a misunderstanding.
3, good one cage than two-body, although the new process uses one cage, but it only saves material, rotation, and other properties than the difference of the two.
In General, life of SKF bearings associated with 3 factors, one is the quality of the bearing itself. The second is to use environment. Third, the installation method.
Cracks such as raw materials, all kinds of cracks. Thermal disposal of forging crack, cracks and grinding crack and so on, in the operation of those cracks in bearing, becomes a source of stress concentration and the rapid expansion, resulting in rupture of the bearing, SKF bearing life and work safety impact greatly. In fact, for important uses of bearings, bearing factory on 100% magnetic or radiographic inspection of its constituent parts.
Both local and loose substrate with metal defects, from the skin and collapsed. And around it are often different levels there and decarbonization phenomena of poverty or carbon, information easy caving, Dent or wear, on the life of SKF and accuracy at a disadvantage.


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