Eccentric Bushing Eccentric Sleeve for CNC Machine Tool Coupling Bearing Housing
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Eccentric Bushing Eccentric Sleeve for CNC Machine Tool Coupling Bearing Housing

The eccentric sleeve is a precision component with a non-concentric inner bore and outer diameter, designed for position adjustment, clearance compensation, and transmission tensioning. Rotating the sleeve allows flexible alignment of bearings, gears, or belts, ensuring smooth and stable operation. Widely used in machine tools, construction, and agricultural machinery, it features a simple design, easy installation, and enhances equipment performance and durability.
 
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Product Advantage

1.High-Precision Machining

The Eccentric Sleeve is manufactured using advanced CNC machining and precision casting techniques, ensuring that each component meets strict dimensional and roundness standards. High-precision machining guarantees perfect alignment with bearings and other mechanical parts, enhancing overall equipment stability and operational efficiency.

2.Premium Materials & Wear Resistance

Made from high-strength alloy materials and combined with heat treatment and surface hardening processes, the Eccentric Sleeve offers excellent wear resistance and fatigue strength. Its material stability and toughness ensure it resists deformation or cracking under heavy loads or high-frequency operation, providing long-term reliable support for industrial machinery even under harsh conditions.

3.Easy Installation, Vibration Reduction & Noise Control

With precise design and standardized dimensions, the Eccentric Sleeve allows quick installation and removal, significantly improving maintenance efficiency. Optimized eccentric structure and material elasticity effectively absorb mechanical vibrations and reduce operational noise, ensuring smoother performance while extending the service life of related components.

4.Customizable Solutions

We provide customizable Eccentric Sleeves tailored to customer requirements, including dimensions, materials, surface treatments, and special features. Customization not only meets the specific needs of different equipment but also optimizes performance, improves production efficiency, and ensures higher reliability, offering a competitive industrial solution for clients.

Technical Parameters


Product Parameters Content
Product Name Eccentric Sleeve
Application Machine Tool Equipment/Photovoltaic Industry
Material HT300
Surface Treatment Phosphating
Weight 20-80KG
Tolerance Class IT:6-10
Minimum Order Quantity ≥5EA
Surface Roughness Ra:0.4-1.6
Processing Technology CNC
Production Volume Over 80 Pieces Per Month
Casting Method Sand Casting
Heat Treatment Stress Relief Annealing
Hardness HB200-280
Testing Method CMM

Product Uses

1.Machine Tools

Eccentric Sleeves are widely used in CNC machine tools, machining centers, and milling machines to achieve precise bearing positioning and motion adjustment. By adjusting the eccentric sleeve, the gap between the spindle and cutting tool can be accurately controlled, improving machining precision, surface quality, and ensuring high efficiency and operational stability.

2.Construction Machinery

In heavy machinery such as excavators, loaders, and bulldozers, Eccentric Sleeves are used to connect shafts with gears, connecting rods, or rocker arms, enabling smooth transmission and vibration reduction. Their high wear resistance and load-bearing capacity allow long-term operation under heavy loads, extending equipment service life.

3.Agricultural Machinery

Eccentric Sleeves are extensively applied in harvesters, seeders, and rotary tillers to ensure precise rotation of shafts, cutters, and sprockets. Their wear-resistant and vibration-absorbing properties reduce component wear, enhance operational efficiency, and improve reliability.

4.Automated Production Lines

In automated assembly lines, conveyor systems, and robotic arms, Eccentric Sleeves are used to adjust shaft clearances and achieve precise positioning. They ensure smooth motion and high repeatability, improving overall production line efficiency and product quality.

Product Operate Guide

Before installing the Eccentric Sleeve, ensure that the shaft and bore surfaces are clean and free of debris. Align the sleeve with the installation position and gently press or rotate it into place, avoiding excessive force. Adjust the shaft position by rotating the sleeve to achieve precise alignment of mechanical components. After installation, check for smooth operation and proper clearance to ensure there is no binding or abnormal friction. Regular lubrication and maintenance of the Eccentric Sleeve will extend its service life and ensure long-term, efficient equipment operation.

Product Video


FAQ


1.Q: Can Eccentric Sleeves be customized?

A: Yes, we offer customization services. Customers can provide detailed 2D drawings and 3D models, and we will manufacture the Eccentric Sleeve according to the required dimensions, materials, and surface treatments to meet the specific needs of equipment and operating conditions.

2.Q: What performance benefits does using an Eccentric Sleeve provide?

A: The Eccentric Sleeve enhances mechanical precision, reduces vibration and noise, and minimizes friction and wear. It extends the service life of bearings and related components, while improving overall equipment efficiency and production stability.

3.Q:How is product quality ensured?

A: We ensure quality through strict material selection, advanced CNC machining, and precision casting. Each Eccentric Sleeve undergoes CMM measurement, surface roughness inspection, and mechanical performance testing. Combined with a robust quality management system, this guarantees stable and reliable performance under high load and long-term operation.

4.Q: What materials are used for Eccentric Sleeves?

A: We use high-quality alloy materials, enhanced with heat treatment and surface hardening processes. This improves wear resistance, fatigue strength, and load-bearing capacity, ensuring reliable performance even under high-load and long-term operating conditions.





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We specialize in precision machining of metal mechanical components, serving high-end equipment industries such as agriculture, construction machinery, and machine tools.

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