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℃

We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics.

Deyu Precision Ceramics Technology Co., Ltd. has many years of experience in producing special precision ceramics, and has the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. At present, the company has production and processing equipment such as dry press, isostatic press, experimental furnace, flat kiln, machining center, surface grinder, universal internal and external grinder, centerless grinder and laser cutting machine, as well as complete high-precision testing equipment such as high-precision projector, three-dimensional tester, metallographic microscope, hardness tester and densitometer.

With advanced production technology and complete production facilities, the company is one of the few domestic enterprises that can produce special precision ceramic structural parts and functional parts with machining accuracy less than 2 microns, and has strong core competitiveness in the same industry in China.

Advantages of the company: 1. National new technology enterprises; 2. The company has a municipal R&D center; 3. Cooperation with domestic key universities and research institutes; 4. Design, molding, sintering and precision processing; 5. The products cover alumina, zirconia, silicon nitride, silicon carbide and other precision ceramics; 6. Precision plus technology.

The company has always been standing in the position of customers to solve problems, focusing on the principle of quality and delivery time, adhering to the business philosophy of "integrity, innovation and reassurance", and sincerely looking forward to cooperating with you.