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How To Check SKF Bearings?

wallpapers Products 2020-11-20
SKF marks the highest quality rolling bearings. Next, we will introduce the key inspection parts of SKF bearings.
1. Various mechanical scars, such as abrasion, scratches, crushing, bumps, etc., will cause poor bearing installation, cause eccentric load and stress concentration, and reduce rotation accuracy and service life.
2. Rust, black skin and pitting, the latter two are the defects that are easy to store moisture and dirt, and the most likely to develop into rust. Rust is a source of pollution that leads to poor installation, early wear and fatigue. Severe corrosion will cause the bearing to be scrapped.
3. Various cracks, such as raw material cracks, forging cracks, heat treatment cracks and grinding cracks. These cracks will become the source of stress concentration and expand rapidly during the operation of the bearing, causing the bearing to rupture, which will affect the life and safety of the bearing. Sexual influence is huge. In fact, for important-purpose bearings, the bearing factory has performed 100% magnetic or radiographic inspection on its component parts.

4. Peeling and folding, the parts of these two defects are not firmly bonded to the base metal, and there are often decarburization or carbon-lean phenomena around them to varying degrees. The materials are easy to collapse, dent or wear, which is very important for the life and accuracy of the bearing. unfavorable.
5. The quality of the riveting or welding of the cage is mainly to observe whether the rivet head is offset, skewed, loose, lacking meat or "double eyelids", whether the welding position is correct, whether the welding point is too large or too small, whether there is insufficient welding or Excessive welding causes jamming of rolling elements.
The above items are the key inspection parts in the inspection of SKF imported bearings. In addition to the above inspection parts, in addition, if the typing quality is poor, such as blurred or damaged handwriting, it should be considered as defective, and the serious ones may not be accepted.

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Tag: SKF   Bearings