Alumina Ceramic Components Lightweight Wear-Resistant And Chemically Resistant For Precision Machinery Applications

Product Overview

Our premium alumina ceramic bushings and guide columns are manufactured from ultra-high purity 99.7% Al₂O₃ material, specifically engineered for high-precision, wear-resistant applications. ISO 6474-1 certified with exceptional hardness (HV1800-2000) and ultra-low friction coefficient (0.07), these components achieve IT5-grade dimensional accuracy, representing a revolutionary solution for precision machinery applications.

Key Applications

• Semiconductor Equipment: Wafer handling robot guide columns, lithography machine precision bushings

• Medical Devices: Surgical robot joint bushings, CT scanner rotating guide components

• Automation Lines: Linear module guide columns, industrial robot wrist joints

• Precision Instruments: Optical platform adjustment bushings, measuring equipment guide mechanisms

• Automotive Manufacturing: Turbocharger bearing sleeves, high-pressure fuel pump guide columns

Core Advantages

✦ Nanometer Precision: Roundness ≤0.5μm, cylindricity ≤1μm
✦ Superior Wear Resistance: Only 1/15 the wear rate of metal components
✦ Self-Lubricating: Dry friction coefficient 0.07-0.12
✦ Chemical Resistance: Withstands pH1-14 acidic/alkaline media
✦ Lightweight: Density 3.95g/cm³, 60% lighter than steel

Technical Specifications

Precision Manufacturing Process

1. Nano Powder Prep: Chemical co-precipitation method (D50=0.2μm)

2. Injection Molding: Tungsten steel molds (±0.05% accuracy)

3. HIP Sintering: 1700℃/150MPa hot isostatic pressing

4. Ultra-Precision Machining: CNC internal grinding + laser dressing

5. Surface Treatment: Nano-polishing + DLC coating

6. Full Inspection: Air gauge measurement + white light interferometry

Installation Guidelines

⚠ Professional Instructions:

• Acclimate in constant temp environment for 24hrs pre-installation

• Recommend hydraulic cold mounting (0.002-0.005mm interference)

• Require 20-hour low-speed run-in period

• Never strike directly with metal tools

• Inspect clearance every 500 operating hours

Service Commitment

• Rapid Response: 48-hour delivery for standard specs

• Technical Support: Tribological analysis services

• Product Traceability: Laser-engraved QR codes

• Customization: Non-standard sizes & composite structures

Technical FAQ

Q: How to select proper fit tolerance?
A: Recommend shaft H6/bore H5, clearance fit G6/h5 for high-speed applications

Q: Suitable for vacuum environments?
A: Special vacuum-grade models available (<10⁻⁹Pa·m³/s outgassing)

Q: Handling abnormal wear?
A: Minor wear repairable with ceramic-specific compounds, severe wear requires replacement

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.