Zirconia Ceramic Locating Pin Product Introduction:
Zirconia ceramic locating pins are high-precision positioning components made from zirconia ceramic material. They possess characteristics such as non-magnetism, high hardness, wear resistance, high temperature resistance, and electrical insulation. This product offers a maximum precision of 0.001mm and supports various manufacturing processes, including cold isostatic pressing, dry pressing, and injection molding. Available colors include white, black, gray, blue, and yellow.
Technical Parameters and Performance Characteristics
1. Physical Properties:
Density: 6.05 g/cm³
Hardness: Above HV 1250 (second only to diamond)
Melting point: Up to 2700°C
Coefficient of thermal expansion: Low, excellent dimensional stability with temperature changes.
2. Chemical Properties:
Strong corrosion resistance, resistant to most acids, bases, and salts.
Excellent electrical insulation properties, resistivity exceeding 10¹⁴ Ω・cm.
3. Mechanical Properties:
Excellent fracture toughness.
Bending strength up to 850 MPa, compressive strength up to 2100 MPa.
Coefficient of friction as low as 0.002.
Manufacturing Process
The production of zirconia ceramic non-magnetic locating pins mainly includes the following processes:
1. Raw material purification: Zirconia raw materials are purified using methods such as chlorination and thermal decomposition.
2. Forming process: Casting, hot pressing, tape casting, dry pressing, or isostatic pressing can be selected.
3. Sintering treatment: Sintering is performed at high temperatures (usually above 1550℃) to form a dense structure.
4. Post-processing: This includes precision machining steps such as polishing, cutting, and drilling.
Application Fields
Zirconia ceramic non-magnetic locating pins are widely used in the following fields:
1. Precision machinery: Positioning devices for resistance welding machines, precision mold positioning.
2. Aerospace: Aircraft engine components, navigation systems.
3. Automotive manufacturing: Positioning components in high-temperature environments.
4. Electronics industry: Precision positioning in non-magnetic environments.
5. Medical equipment: MRI and other equipment sensitive to magnetic fields.
Comparative advantage
Compared to positioning pins made of other materials, zirconia ceramic non-magnetic positioning pins offer significant advantages:
characteristic | Zirconia ceramics | Ordinary metals | Other ceramics |
hardness | Very high (HV1250+) | medium | Higher |
Wear resistance | Excellent (10 times longer lifespan) | generally | better |
Temperature resistance | Can reach 2700℃ | limited | Higher |
magnetic | Completely non-magnetic | It might be magnetic. | Non-magnetic |
Insulation | Excellent | Conductive | insulation |
Corrosion resistant | Extremely strong | generally | relatively strong |
Supports custom specifications.