Method for Drawing Adjustable Clearance Rolling Ball Bearings
Source: China Bearing Network | Date: January 29, 2014
Adjustable clearance rolling ball bearings are widely used in various industrial applications due to their low friction, high efficiency, and precision. However, achieving the desired clearance remains a challenge because of the tight tolerances required during manufacturing. Traditional methods often rely on machining and grouping parts, which can be costly and limited in adjustability. To address this issue, an innovative approach has been developed. The key idea is to allow radial clearance adjustment by modifying the outer ring design. Instead of relying solely on radial adjustments, the bearing’s axial movement is utilized. This involves splitting the outer ring into two halves along its axis, enabling relative movement between them. By using an adjusting gasket group, the radial clearance can be easily adjusted without the need for complex equipment or high-precision machining. This method not only simplifies the manufacturing process but also reduces costs and improves maintenance. It allows for easy repair and replacement of worn components, extending the bearing's service life. Additionally, it enables the use of general-purpose machine tools, making high-precision bearings more accessible. The design also offers several advantages, including improved load capacity, simplified assembly, and better force distribution. However, there are some challenges, such as increased axial dimensions and potential stress concentration at the split points. Despite these issues, the concept represents a significant advancement in bearing technology. Overall, this adjustable clearance design provides a practical solution for maintaining precision and performance in rolling ball bearings. It opens up new possibilities for future improvements and can be adapted to other types of bearings as well.
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