Alumina Bushing
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- High performance at a competitive price.
Alumina bushing is a high-purity (Al₂O₃) ceramic component with excellent wear resistance, electrical insulation, and thermal stability. It is widely used in fiber optic splicing, cable connectors, industrial guides, and electrical insulators, especially in high-temperature or corrosive environments. Custom dimensions and tolerances are available for OEM applications.NexusX Advanced Materials, as a premier manufacturer and supplier of high-quality. Alumina (Al2O3) products, focuses on producing high-precision aluminum nitride silicon structural compenents through advanced technologies for diverse application fields.
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Alumina Bushing Data Sheet
Purity: | 95%, 96%, 99%, 99.5%, 99.7%, 99.95% |
Color: | White or Ivory |
Density: | 3.7-3.98 g/cm3 |
Alumina Bushing Descriptions
The Alumina Bushing is a precision-engineered ceramic component made from high-purity aluminum oxide (Al₂O₃), typically 95% to 99.8% purity. It delivers exceptional mechanical strength, high wear and abrasion resistance, superior electrical insulation, and excellent thermal stability across a wide temperature range. This bushing is commonly used in fiber optic splicing and connector systems, cable assemblies, electrical insulators, industrial machinery guides, and high-frequency electronic devices. Its corrosion-resistant and non-magnetic properties make it ideal for harsh or chemically aggressive environments. The Alumina Bushing can be manufactured to tight tolerances with custom inner/outer diameters, lengths, and surface finishes to meet specific OEM requirements. With its combination of durability, precision, and reliability, the Alumina Bushing is an optimal choice for demanding applications requiring long-term performance.
Alumina Bushing Advantages
- High Purity: Made from 95%–99.8% high-purity aluminum oxide, ensuring consistent performance and minimal contamination.
- Excellent Wear Resistance: Exceptional hardness and abrasion resistance extend service life in high-friction applications.
- Superior Electrical Insulation: High dielectric strength provides reliable insulation for electronic and electrical components.
- Outstanding Thermal Stability: Maintains mechanical properties across a wide temperature range, from cryogenic to high heat.
- Corrosion Resistance: Chemically inert and resistant to acids, alkalis, and aggressive environments.
- High Mechanical Strength: Withstands significant mechanical stress and compression without deformation.
- Precision Tolerances: Available with tight inner/outer diameter tolerances for exacting OEM requirements.
- Non-Magnetic & Non-Conductive: Ideal for sensitive electronic, RF, and medical applications where interference must be avoided.
- Low Friction Surface: Smooth surface finish reduces friction with mating components like fiber optic cables or metal pins.
- Long Service Life: Combines wear resistance, thermal stability, and chemical durability for minimal replacement cycles.
Alumina Bushing Applications
- Fiber Optic Connectors & Splices: Used as precision alignment components in fiber optic ferrule assemblies to ensure accurate core alignment and low signal loss.
- Cable & Wire Harness Assemblies: Provides insulation and strain relief where cables pass through chassis panels or enclosures.
- Electrical Insulators: Serves as insulating bushings in high-voltage equipment, transformers, switches, and power distribution systems.
- Industrial Machinery Guides: Acts as wear-resistant guide bushings in textile machinery, wire drawing equipment, and automated assembly lines.
- Medical Devices: Used in diagnostic imaging equipment, surgical tools, and implantable devices requiring biocompatible, non-magnetic components.
- Aerospace & Defense: Provides reliable insulation and mechanical support in avionics, radar systems, and missile guidance components.
- Semiconductor Equipment: Used in wafer handling systems, vacuum chambers, and chemical delivery systems requiring corrosion resistance and cleanliness.
- Laboratory & Analytical Instruments: Functions as alignment or insulation bushings in spectrometers, chromatographs, and thermal analyzers.
Alumina Ceramic Machining
Alumina ceramics are produced through methods such as injection molding, die pressing, isostatic pressing, slip casting, and extrusion. After sintering and densification, machining requires diamond grinding techniques. Advanced Ceramic Hub utilizes cutting-edge green and biscuit machining technology to produce more complex components with traditional methods. Our advanced machining center includes drilling, grinding, milling, polishing, sawing, tapping, threading, and turning, enabling the manufacture of alumina ceramic components with tight tolerances and high complexity. During the machining process, the following precautions should be observed:
- Shrinkage Control: Alumina ceramics shrink by about 20% during sintering, requiring dimensional adjustments in the green body stage.
- Tolerance Control: Precise tolerances are unachievable in the green or pre-sintered state; fine machining should follow sintering.
- Diamond Grinding: Post-sintering, high-hardness alumina requires diamond grinding, as conventional methods fall short.
- Tool Selection: Diamond-coated tools or grinding wheels are essential to handle ceramic hardness and prevent tool damage.
- Temperature Control: Strict temperature management during sintering prevents cracking or deformation.
- Stress Management: Excessive stress during machining must be avoided to prevent brittle failure.
- Cutting Speed and Feed Rate: Controlled speeds and feeds ensure quality and extend tool life.
- Surface Treatment: Post-machining polishing removes defects, enhancing performance and appearance.
Alumina Ceramic Packaging
The Alumina Ceramic products are carefully placed in wooden cases or cartons with additional support from soft materials to prevent any shifting during transportation. This packaging method guarantees the integrity of the products throughout the delivery process.
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- SAFETY DATA SHEET (SDS) -Alumina Bushing
FAQ
What is an Alumina Bushing?
An Alumina Bushing is a precision ceramic component made from high-purity aluminum oxide (Al₂O₃), used for electrical insulation, wear resistance, and mechanical alignment in demanding applications.
What are the main advantages of an Alumina Bushing?
Key advantages include high wear resistance, excellent electrical insulation, thermal stability, corrosion resistance, high mechanical strength, and non-magnetic properties.
Where is an Alumina Bushing commonly used?
Common applications include fiber optic connectors, cable assemblies, electrical insulators, industrial guide bushings, medical devices, semiconductor equipment, and aerospace components.
Can an Alumina Bushing be customized in size and shape?
Yes, Alumina Bushings can be fully customized with specific inner/outer diameters, lengths, tolerances, and surface finishes to meet OEM requirements.
How long is the service life of an Alumina Bushing?
Under normal operating conditions, an Alumina Bushing can last several years or longer due to its high wear resistance, thermal stability, and chemical durability.
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