Product Name: Alumina Ceramic Positioning Pins
Product Material: High-purity Aluminum Oxide (Al₂O₃ 95%-99.5%)
Material Characteristics: High hardness, excellent wear resistance, electrical insulation, thermal stability, corrosion resistance
Application Fields: Precision fixtures, semiconductor equipment, automation systems, measurement instruments, high-temperature applications
Application Industries: Semiconductor manufacturing, electronics, automotive, aerospace, precision engineering
Processing Challenges: Diameter precision control, surface finish requirements, straightness maintenance, batch consistency
Processing Flow: Powder preparation → Spray granulation → Isostatic pressing → High-temperature sintering → Precision grinding → Quality inspection → Packaging
Delivery Time: 20-30 days for standard sizes, 35-45 days for customized specifications
Alumina Ceramic Positioning Pins are precision-engineered components designed for applications requiring exceptional dimensional stability, reliable positioning accuracy, and maintenance-free operation in demanding environments. Manufactured from high-purity aluminum oxide (Al₂O₃), these positioning pins deliver superior performance in precision alignment and fixturing applications, outperforming traditional steel pins through their excellent wear resistance, thermal stability, and electrical insulation properties.
Key Features:
Exceptional Wear Resistance - High hardness (HRA85-90) provides outstanding resistance to abrasive wear, ensuring maintained dimensional accuracy and extended service life in high-cycle positioning applications, significantly reducing maintenance frequency.
Excellent Thermal Stability - Withstands continuous operation at temperatures up to 1500°C while maintaining dimensional stability and mechanical properties, suitable for high-temperature manufacturing processes and thermal cycling environments.
Superior Electrical Insulation - High volume resistivity (>10¹⁴ Ω·cm) and dielectric strength (>15 kV/mm) ensure reliable electrical isolation in applications where both precise positioning and electrical insulation are required.
Outstanding Chemical Resistance - Highly resistant to most acids, alkalis, and organic solvents, ensuring long-term performance stability in harsh industrial environments where chemical exposure is common.
High Mechanical Strength - Compressive strength exceeding 2000 MPa and flexural strength over 300 MPa ensure structural reliability in demanding applications where mechanical loads and impact resistance are critical.
Precision Dimensional Control - Maintains tight tolerances (±0.005 mm) on critical diameters and lengths, ensuring perfect fit and reliable performance in precision assembly and alignment applications.
