**Smooth Handling of Oil Film in NSK Bearings**
Home > Bearing Knowledge > Smooth Handling of Oil Film NSK Bearing Oil
Source: China Bearing Network | Time: January 30, 2014
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Maintaining proper lubrication is essential for the efficient and long-lasting performance of NSK bearings. A significant portion of mechanical failures or premature wear can be traced back to poor lubrication practices. Effective lubrication not only prevents damage such as scoring or welding between moving parts like bearings and gears, but also reduces friction, minimizes wear, and enhances equipment efficiency. This makes proper lubrication a critical task in maintaining system reliability.
Here are key steps to ensure smooth handling of oil film in NSK bearings:
1. **Professional Lubrication Management**: Assign dedicated personnel with specialized knowledge in lubrication. Establish a comprehensive lubrication management system and conduct regular training to ensure all staff are well-informed on best practices.
2. **Proper Oil Level and Quality Control**: Ensure the oil tank has an adequate capacity and maintain the correct oil level at all times. Regularly add lubricating oil and monitor its condition, including degassing, sedimentation, and temperature control within the housing.
3. **Oil Sampling and Testing**: Perform scheduled oil sampling and testing for odor, color, viscosity, water content, water separation, contamination, and foam resistance. Any deviation beyond 0.1% in wear particles can significantly increase failure risks, while over 0.5% indicates a serious problem.
4. **Data Analysis and Predictive Maintenance**: Analyze test results regularly to predict potential issues and implement corrective actions. Monitor oil levels, quality, temperature, and pressure through alarms and interlocks to ensure safe and reliable operation.
5. **Preventing Contamination**:
- Maintain strict procedures for oil procurement, storage, distribution, and disposal. Store different types of oils separately with clear labeling.
- Keep containers clean and sealed to prevent dust, moisture, and impurities from entering. Store in cool, dry places away from direct sunlight.
- Inspect oil before use for viscosity, viscosity index, water content, demulsibility, and extreme pressure properties. Ensure cleanliness with less than 0.01% mechanical impurities.
6. **System Maintenance**: Keep the fuel tank's manhole cover closed and use high-quality air filters (100 mesh or finer). Drain condensation regularly and install proper filtration systems when refilling. Avoid using fiber cloths to wipe the tank to prevent contamination.
7. **Filter Replacement**: When replacing blocked filter elements, drain the oil in the filter and take care to avoid introducing dirt into the downstream piping, which could cause irreversible damage.
8. **Timely Oil Changes**: Replace oil based on visual changes, viscosity, moisture, and contamination levels to maintain optimal performance.
For new installations, it is crucial to thoroughly flush out the old lubrication system before introducing new oil. Additional steps include comparing the physical and chemical properties of the new oil with manufacturer specifications, analyzing data with skilled personnel, and conducting mixing tests with existing oil to ensure compatibility.
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