High-Purity Alumina Ceramic Components For Precision Positioning Equipment In Automation Systems

High-Purity Alumina Ceramic Components For Precision Positioning Equipment In Automation Systems

This series of alumina ceramic transmission components and positioning turntables are manufactured from 99.5% high-purity Al₂O₃ material, featuring ultra-high hardness (HV1500) and end-face runout accuracy (≤0.005mm/m). Through specialized grain boundary control technology, the products achieve exceptional wear resistance (wear rate <10⁻⁷mm³/N·m) while maintaining high strength, specifically designed for precision transmission systems and high-accuracy positioning equipment.

Core Application Fields

• Semiconductor Equipment: Lithography precision turntables, wafer transfer robotic arm joints

• Automation Systems: Industrial robot harmonic drive components, linear motor positioning stages

• Medical Devices: Surgical robot transmission gears, CT scanner rotating bearings

• Optical Instruments: LiDAR rotating components, astronomical telescope azimuth turntables

• Measurement Equipment: CMM rotary tables, roundness tester spindles

Performance Advantage Matrix

Technical Specifications

Precision Manufacturing Process

1. Powder Processing: 0.2μm high-purity powder with grain boundary control additives

2. Forming Technology:

   • Isostatic pressing (200MPa)

   • Injection molding (complex gear profiles)

3. Sintering Technology: 1650℃ hydrogen atmosphere sintering + HIP

4. Precision Machining:

   • 5-axis grinding (profile accuracy ±0.002mm)

   • Ultra-precision polishing (Ra≤0.05μm)

5. Inspection Process:

   • Laser interferometer dynamic balance testing

   • Full-dimension CMM measurement

Installation Guidelines

⚠ Mechanical Assembly Requirements:

• Recommended fit tolerance H6/g5

• Thermal balancing required before assembly (temperature gradient <2℃/min)

• 50-hour run-in period (load ≤30% rated value)

⚠ Usage Limitations:

• Dry running prohibited (lubrication required)

• Avoid axial impact loads

• Operating environment humidity <80%RH

Service Commitment

• Technical Support: Free dynamic simulation analysis reports

• Rapid Response: 72-hour fault diagnosis service

• Custom Development: Non-standard gear profiles/hole patterns supported

FAQ

Q: Advantages over metal transmission components?
A: 40% lighter weight, non-magnetic, corrosion resistant, 3-5x longer lifespan

Q: Maximum producible diameter?
A: Standard size Φ500mm, special orders up to Φ800mm

Q: Conductive treatment available?
A: Antistatic versions with surface resistance 10⁴-10⁸Ω

Q: Extreme temperature adaptability?
A: Standard -60℃~800℃, special treatment up to 1200℃