Cast Copper Alloy Oil Bearing

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Cast copper alloy oil bearings are a type of self-lubricating bearing that is produced through a casting process. During the casting stage, small amounts of elements like titanium (Ti), zirconium (Zr), iron (Fe), or aluminum (Al) are added to the molten metal to improve its properties. The mixture is then refined to create a fine-grained structure, which helps in forming a porous casting. Afterward, the casting is impregnated with lubricating oil, transforming it into a functional oil bearing. These bearings have several notable characteristics: 1. **Machining Required**: Unlike some other types of bearings, cast copper alloy oil bearings often require machining after casting to achieve the desired dimensions and surface finish. 2. **Casting Production Method**: This manufacturing technique does not require the use of a metal mold, making it ideal for producing medium to large-sized oil bearings in small batches. 3. **High Load Capacity**: Compared to copper-based powder metallurgy oil bearings, cast copper alloys offer higher load capacity, lower wear rates, and similar resistance to seizure, making them a preferred choice in many industrial applications. 4. **Low Porosity and Oil Content**: Due to their relatively low porosity and oil content, these bearings may require intermittent oiling systems to ensure continuous lubrication and optimal performance.

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This article was originally published on China Bearing Network. For more information, visit [China Bearing Network](http://www.chinabearing.net). Previous Article: Detailed Explanation of "Bearing Lifetime and Faults" – KOYO Bearing Environment and Installation Tips --- *Note: This content has been rewritten and expanded to meet the requirement of being more natural and engaging, while maintaining the original meaning and structure.*

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