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The inspection of SKF bearings should be carried out under astigmatism; carefully survey the surface, cracks and other parts of the bearing. /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
1, peeling and folding:
Some of these two shortcomings are not well connected to the base metal; and there are often different degrees of decarburization or carbon depletion around them; the data simply collapses, embosses or wear; the bearing life and accuracy are very arrogant.
2. Riveting or welding quality of the cage:
The first investigation of whether the rivet head can be biased, tilted, slack, lack of meat or double eyelids; whether the welding orientation is correct; the solder joints are too large. The crabs are attached to the hard-hitting èš èš é¹‚ã„— 鹂ㄗ 鹂ㄗ 鹂ㄗ 龆逑窒 龆逑窒 龆逑窒 龆逑窒. The above items are some of the points in our view of SKF bearings; in addition to some of the above-mentioned views; other such as poor typing quality; such as ambiguous and damaged handwriting; should be considered as defective; severe can also not be tested.
3, rust, black skin and pitting:
The latter two are shortcomings of simple storage of moisture and dirt; the simplest is to carry out rust. Corrosion is a source of pollution that causes poor installation, early wear and fatigue; severe corrosion can make bearings invalid.
4, a variety of mechanical scars:
Such as abrasions; scratches, crushes, bumps, etc.; will result in poor bearing device; resulting in eccentric load and stress gathering; formation of rotation accuracy and reduction in service life.
5, a variety of cracks:
Such as the original data crack; casting cracks, heat treatment cracks and grinding cracks; these cracks in the future bearing operation; will become the source of stress gathering and agile expansion; the formation of bearing break; impact on bearing life and operational safety Large. In fact; bearing for important uses; bearing factory has 100% magnetic or radiographic inspection of its components.
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How to view the SKF bearing through the appearance
Source: Bearing network time: 2013-08-12