The Most Important Considerations in the Design of Sliding Bearing Structures
Source: China Bearing Network | Date: March 20, 2013
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When designing sliding bearing structures, there are several critical factors that must be carefully considered to ensure optimal performance and longevity. Here are the key points to keep in mind:
1. **Oil Grooves and Oil Pads**: Proper placement of oil grooves and oil pads is essential for effective lubrication. Avoid creating sharp edges or abrupt changes that can disrupt the oil film.
2. **Avoid Sharp Edges**: Sharp corners or edges should be minimized as they can cause oil film breakage, leading to increased friction and wear.
3. **Keep Oil Holes Unobstructed**: Ensure that oil holes remain open and unblocked to allow proper oil flow into the bearing area.
4. **Avoid Full Ring Oil Grooves**: Do not install a full ring oil groove in the middle of the bearing, as this can create dead zones where oil cannot circulate effectively.
5. **Smooth Oil Film Entry**: The design should facilitate a smooth entry of the oil film to reduce resistance and improve performance.
6. **Oil Inlet from Non-Load Area**: Oil should be introduced from areas that are not under direct load to prevent contamination and ensure even distribution.
7. **Reliable Oil Supply**: If an oil ring is used, it must be designed to carry and distribute oil efficiently and reliably.
8. **Avoid Dead Zones**: Make sure no part of the bearing becomes an oil-inactive area, which could lead to overheating and failure.
By following these guidelines, engineers can significantly enhance the efficiency, reliability, and lifespan of sliding bearings in various mechanical systems.
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