Unique groove design: Optimizes material classification and separation efficiency.
Long service life: Abrasion resistance is 5-10 times that of ordinary metal materials.
Low maintenance costs: Reduces downtime and replacement frequency.
Environmentally friendly and safe: Non-polluting and meets industrial environmental requirements.
Alumina ceramic classifying wheels are high-performance, wear-resistant, and corrosion-resistant materials specifically designed for mechanical grinding equipment. They are primarily used for crushing and separating coarse and fine materials. Made from high-purity alumina ceramic (Al₂O₃), this product possesses excellent physical and chemical properties and is widely used in industries such as lithium battery manufacturing and powder grinding and classification.
Core Features
1. Excellent Wear Resistance: Vickers hardness of 1900 HV, suitable for high-speed and high-friction environments.
2. Superior Corrosion Resistance: Resistant to corrosion from various chemical substances, extending service life.
3. High Temperature Stability: Maximum operating temperature of 1650℃, maintaining stable performance.
4. High Mechanical Strength: Compressive strength exceeding 30000 Kgf/cm².
5. Good Insulation: Volume resistivity ≥10¹⁴ Ω·cm, suitable for electrical applications.
6. Precision Machining: Supports customized processing with high precision, adaptable to various equipment.
Application Scenarios
1. Lithium-ion battery industry: Used for high-precision classification of battery materials.
2. Crushing machinery: Used as a key classification component in air jet mills.
3. High-temperature industries: Suitable for high-temperature environments such as continuous casting and kiln equipment.
4. Environmental protection equipment: Used in corrosion-resistant applications such as flue gas desulfurization.
5. Electronics manufacturing: 5G base station filters, chip heat dissipation substrates, etc.
Technical Parameters
Parameter Category | Technical indicators | Remark |
Main ingredients | 99% Al₂O₃ | High-purity alumina ceramics |
density | 3.85-3.95 g/cm³ | High-density structure |
Sintering temperature | 1600-1990℃ | High-temperature sintering process |
hardness | 1700-1900 HV | Vickers hardness |
Compressive strength | >30000 Kgf/cm² | Ultra-high strength |
Thermal shock resistance | 200-270℃ | Resistant to sudden temperature changes. |
Maximum operating temperature | 1500-1650℃ | High temperature stability |
Porosity | 0.1-0.3% | Low porosity structure |
Coefficient of thermal expansion | 8×10⁻⁶/℃ | Good thermal stability |
Thermal conductivity | 27-31.4 W/mK | Good thermal conductivity |
Supports custom specifications.