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Ultra-High Wear Resistance Silicon Nitride Ceramics For Precision Instruments

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    Buy cheap Ultra-High Wear Resistance Silicon Nitride Ceramics For Precision Instruments from wholesalers
    • Buy cheap Ultra-High Wear Resistance Silicon Nitride Ceramics For Precision Instruments from wholesalers

    Ultra-High Wear Resistance Silicon Nitride Ceramics For Precision Instruments

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    Ultra-High Wear Resistance Silicon Nitride Ceramics For Precision Instruments

    Ultra-High Wear Resistance Silicon Nitride Ceramics For Precision Instruments


    Introduction
    Silicon nitride ceramic guideway spacers are precision ceramic functional components made from high-purity silicon nitride (Si₃N₄) material through advanced sintering processes. This product combines the excellent mechanical properties of silicon nitride ceramic with unique self-lubricating characteristics, featuring extremely high hardness, outstanding wear resistance, and exceptional corrosion resistance. Specifically designed for high-precision guideway systems, it effectively reduces friction coefficient, minimizes wear, improves equipment positioning accuracy, and extends service life, making it an ideal choice for high-end equipment manufacturing.

    Applications
    Widely used in various high-precision, high-demand guideway systems:

    • CNC Machine Tools: Precision guideway sliders, feed system spacers

    • Automation Equipment: Industrial robot guideways, linear module spacers

    • Precision Instruments: Measuring equipment guideways, optical instrument positioning spacers

    • Semiconductor Equipment: Wafer transfer system guideway spacers

    • Medical Equipment: Medical imaging equipment precision moving parts

    Advantages

    1. Ultra-High Wear Resistance: Vickers hardness ≥1650HV, wear resistance is more than 10 times that of bearing steel

    2. Self-Lubricating Properties: Friction coefficient as low as 0.1-0.2, reducing lubrication requirements

    3. High Precision Maintenance: Low thermal expansion coefficient, excellent dimensional stability

    4. Strong Corrosion Resistance: Resistant to various chemical media corrosion

    5. Lightweight Design: Density only 3.2g/cm³, reducing movement inertia

    Specifications Table

    ParameterTechnical Indicators
    Material CompositionSi₃N₄ ≥ 95%
    Bulk Density3.2-3.3 g/cm³
    Vickers Hardness1650-1800 HV
    Flexural Strength≥ 800 MPa
    Surface RoughnessRa ≤ 0.1 μm
    Coefficient of Thermal Expansion3.2×10⁻⁶/℃
    Friction Coefficient0.1-0.2
    Operating Temperature-50℃ to 1200℃

    Manufacturing Process
    Raw material preparation → Ball milling and mixing → Spray granulation → Dry pressing → Cold isostatic pressing → Gas pressure sintering → Precision grinding → Laser processing → Non-destructive testing → Cleaning and packaging

    Usage Instructions

    1. Clean guideways and mounting surfaces before installation to ensure no impurities

    2. Use special tools for installation, avoid impact loads

    3. Recommended to install and use in clean environments

    4. Regularly check wear condition, recommended inspection every 12 months

    5. Use special tools during disassembly to avoid damaging ceramic surfaces

    After-Sales Service
    36-month quality assurance period, lifetime technical support. On-site installation guidance available, regular maintenance reminders provided. Customer usage files established, preventive maintenance solutions offered. 24-hour technical response in emergencies.

    FAQ
    Q1: What are the advantages compared to traditional metal spacers?
    A1: Longer service life, better dimensional stability, lower friction coefficient, and no need for lubrication maintenance.

    Q2: Do you support custom sizes and shapes?
    A2: Support complete customized production, can provide various sizes and shape solutions according to equipment requirements.

    Q3: How to detect spacer wear condition?
    A3: Recommended to use precision measuring instruments to regularly check thickness changes. Consider replacement when wear exceeds 0.1mm.



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