SKF Bearing's “Appearance View Strategyâ€
Black Green Milano Tile,Black Green Tile,Matte Green Tiles,Green Black Tiles Shandong Yahong New Materials Technology Co., Ltd , https://www.okrooftile.comSKF Bearings' "Appearance Inspection Strategy"
When inspecting SKF bearings, it is crucial to conduct a thorough visual examination under proper lighting conditions. The surface of the bearings should be carefully observed for any signs of damage or defects that could affect their performance and lifespan.
1. **Corrosion, Black Skin, and Pitting**
These are common issues caused by improper storage, especially in environments with moisture or dirt. Corrosion can lead to poor installation, early wear, and fatigue, which may eventually render the bearing unusable. Regular rust prevention is essential to maintain the quality of the bearing.
2. **Cracks**
Cracks can occur during manufacturing processes such as casting, heat treatment, or grinding. Even small cracks can act as stress concentrators, leading to failure over time. In critical applications, SKF ensures that all components undergo 100% magnetic or radiographic testing to detect any potential flaws.
3. **Cage Quality**
The cage plays a vital role in maintaining the alignment of the rolling elements. Inspectors should check for issues like misaligned rivet heads, loose or uneven rivets, or double eyelid conditions. Welded cages must also be examined for correct orientation and excessive weld points.
4. **Mechanical Damage**
Scratches, dents, and abrasions on the bearing surface can cause uneven loading and stress concentration, reducing the bearing’s precision and service life. It is important to identify and reject any bearings with visible mechanical damage.
5. **Peeling and Folding**
These defects often indicate poor material bonding and may result in decarburization or carbon depletion. Such issues can significantly reduce the bearing's durability and accuracy. Any signs of peeling or folding should be taken seriously.
In addition to these factors, inspectors should also pay attention to other potential problems such as unclear markings, damaged labels, or poor craftsmanship. These issues can compromise the reliability of the bearing and should be considered as defects.
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