Aluminum base retainer steel ball bushing
Aluminum base retainer steel ball bushing
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Aluminum base retainer steel ball bushing, Steel-Ball Retainer Bushing
Aluminum Base Retainer Steel Ball Bushing:
The FZH (copper-based), FZL (aluminum-based), and FZP (resin-based) are types of steel ball retainers that utilize materials such as copper alloy, hard aluminum alloy, and POM resin, respectively. These retainers feature specially crafted holes that are sized and shaped to embed rolling bearing steel balls securely.
Innovatively, the retainers use cutting-edge circumferential groove ball locking technology. This advancement effectively addresses the shortcomings of traditional ball locking and indentation locking methods, which sometimes fail to prevent the steel ball from dislodging. Additionally, each hole is machined with a 90° stop at the bottom, allowing the steel ball to rotate freely within the hole without risk of falling out.
A unique aspect of these retainers is that the diameter of the steel ball exceeds the wall thickness of the retaining ring. Consequently, during operation, the steel ball protrudes beyond both the inner and outer surfaces of the retaining ring, making direct contact with the corresponding hole and the shaft. This design allows the base (retaining ring) to float centrally while maintaining a small radial clearance between the hole and the shaft that is less than the steel ball’s diameter, ensuring an interference fit. The precision of this fit provides high fidelity in alignment and allows for smooth relative movement between the shaft and the hole, marking a significant improvement over traditional maintenance rings.
Aluminum base retainer steel ball bushings, also known as FZL aluminum-based cages, are remarkable engineering solutions that provide a wide array of benefits in various applications. This product is manufactured with a magnesium-aluminum alloy material through a hard anodizing surface treatment, resulting in attributes such as corrosion resistance, wear resistance, lightweight, and surface color diversity. The aluminum base retains high-quality steel balls which are orderly arranged in a certain angle and density, processed by special technology.
Production
The production of the aluminum base retainer steel ball bushing involves a meticulous process. First, the aluminum base is prepared using a magnesium-aluminum alloy. This alloy is selected for its excellent machinability and corrosion resistance properties. Next, the base undergoes a hard anodizing surface treatment. This treatment further enhances the corrosion resistance of the product and adds a wear-resistant layer to its surface.
The high-quality steel balls are then arranged on the aluminum base. These steel balls are arranged according to a specific angle and density to ensure optimal performance. The finished product is then subjected to thorough quality checks before being released into the market.
Advantages
The aluminum base retainer steel ball bushing comes with a multitude of advantages. Here are a few:
- High Motion Accuracy: The use of steel balls ensures that the shaft and the hole are not in direct contact, but through a small amount of interference in the middle. This reduces dynamic friction and replaces it with rolling friction, thereby improving motion accuracy.
- Low Friction Coefficient: The arrangement of the steel balls and their interaction with the aluminum base result in a low friction coefficient, which improves the efficiency of the machinery in which they are installed.
- Long Service Life: The corrosion and wear resistance of the product, combined with the reduced friction, contribute to a longer service life.
- Versatility: This type of bushing is suitable for a wide range of applications, including cold punching molds, precision machine tools, and machine tool accessories.
Applications
Aluminum base retainer steel ball bushings are versatile products that can be used in a variety of settings. They are particularly well-suited for cold die rolling die sets, high-precision machine tools, and machine tool accessories. These bushings can also be used in settings that require high-precision axial or radial simultaneous movement. In these situations, the bushings provide improved performance and lifespan compared to traditional hole and shaft mechanisms.
In conclusion, the aluminum base retainer steel ball bushing is a valuable component for various machinery and applications. It offers a unique combination of precision, durability, and efficiency that sets it apart from traditional solutions. With proper maintenance and care, this bushing can provide reliable and efficient service for a long time.
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The product is made of aluminum base with high-quality steel balls, which are arranged orderly according to certain Angle and density and processed by special technology. The products are suitable for cold punching molds, precision machine tools, and so on.
Advantages and uses
There is a certain gap between the traditional hole and the shaft with relative motion, and the friction coefficient between the hole and the shaft is relatively large. After the steel ball is used to retain the ring, the shaft and the hole are not in direct contact, but through a small amount of interference in the middle. The steel ball, therefore, has high motion accuracy, rolling friction instead of dynamic friction, flexible rolling, low friction coefficient, and long service life. When there is both rotation and movement, the shaft sleeve without oil or oil is used to match the shaft, although it can It is satisfied, but the motion accuracy is low. Rolling bearings can only meet the relative rotation of the shaft, while the steel ball retaining ring meets the above two conditions. It has been widely used in cold die rolling die sets, high-precision machine tools, Machine tool accessories and occasions requiring high-precision axial or radial simultaneous movement.
Tech. Data
| Performance | Date |
| Max. load P | 25N/mm² |
| Max. Sliding Speed | 6m/s |
| Assembly interference | 0.01mm～0.02mm |
| Friction coefficient μ | 0.01~0.08 |
| Steel ball diameter deviation | 20mm~40mm |
FZ Cage Bearings are essential components designed for a variety of industrial uses, especially in machinery that demands high precision and longevity. Here’s an in-depth look at the specifications and size chart for FZ Cage Bearings.
Overview of FZ Cage Bearings
FZ Cage Bearings facilitate the movement and alignment of steel balls within a bearing assembly. These bearings are constructed from robust materials known for their resilience and performance under stress:
- Brass
- Aluminum
- POM (Polyoxymethylene)
These materials are selected for their ability to endure high temperatures and resist corrosion, making the bearings ideal for use in challenging environments such as cold punching molds and precision machine tools.
Specifications and Size Chart
The size chart for FZ Cage Bearings details a range of dimensions tailored to specific applications. Typical dimensions include:
- Inner Diameter (ID)
- Outer Diameter (OD)
- Width (W)
Common Sizes and Load Capacities
- FZ-2260: ID 22 mm, OD 60 mm, Width 3 mm
- FZ-2360: ID 23 mm, OD 60 mm, Width 3 mm
- FZ-2460: ID 24 mm, OD 60 mm, Width 3 mm
These bearings are capable of supporting dynamic loads up to 19 lbf and are designed for high-speed operations.
Applications
FZ Cage Bearings are versatile and find applications in:
- Machinery: Essential for achieving high precision and consistent repeatability.
- Robotics: Valued for their smooth operation and minimal friction.
- Automotive: Used in critical components like camshafts and crankshafts.
Material and Performance
The performance of FZ Cage Bearings is significantly enhanced by their construction features:
- Steel Balls: Typically made from high-quality hardened steel for utmost durability.
- Cage Material: Brass is preferred for its robustness and high-temperature endurance.
These characteristics help minimize wear and tear, thereby extending the lifespan of the bearings and reducing the need for frequent maintenance.
In summary, FZ Cage Bearings are indispensable in various industrial settings due to their precision, durability, and low maintenance requirements. For precise dimensions and configurations, it’s advisable to refer to the manufacturer’s catalog or specifications to ensure the best fit for your specific application.
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