SKF Bearing's “Appearance View Strategyâ€
Black Green Gradient Milano Tile Black Green Gradient Milano Tile,Dark Green Tiles,Green Glossy Tile,Ceramic Tile Green Shandong Yahong New Materials Technology Co., Ltd , https://www.okrooftile.comSKF Bearings’ “Appearance Inspection Strategyâ€
When inspecting SKF bearings, it's essential to conduct a thorough visual examination under proper lighting conditions. Pay close attention to the surface condition and any potential cracks. Here are some key points to consider during the inspection:
1. **Corrosion, Black Skin, and Pitting**: These issues often arise from improper storage, such as exposure to moisture or dirt. Corrosion can lead to poor installation, early wear, and fatigue. In severe cases, it may render the bearing unusable.
2. **Cracks**: Various types of cracks—such as original material cracks, casting cracks, heat treatment cracks, and grinding cracks—can occur. These cracks may act as stress concentration points, leading to premature failure. For critical applications, SKF manufacturers typically perform 100% magnetic or radiographic testing on components.
3. **Cage Quality**: Inspect the rivets or welds on the cage. Check for misalignment, tilting, looseness, or missing material. Ensure that the welding is properly positioned and not overly large. A poorly constructed cage can significantly affect bearing performance.
4. **Mechanical Scratches and Damage**: Look for abrasions, scratches, dents, or other mechanical damage. These imperfections can cause uneven loading, stress concentration, and reduced bearing life.
5. **Flaking and Folding**: Some defects, like flaking or folding, may not be well bonded to the base metal. These often come with decarburization or a carbon-poor appearance. Such issues can lead to structural weakness, reducing both the lifespan and accuracy of the bearing.
In addition to these visual checks, other factors like unclear or damaged markings should also be considered as defects. In extreme cases, the bearing may not even pass inspection.
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