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Dark Gray Silicon Nitride Ceramic Base: High-Precision Rectangular Groove Bearing Platform

    Buy cheap Dark Gray Silicon Nitride Ceramic Base: High-Precision Rectangular Groove Bearing Platform from wholesalers
     
    Buy cheap Dark Gray Silicon Nitride Ceramic Base: High-Precision Rectangular Groove Bearing Platform from wholesalers
    • Buy cheap Dark Gray Silicon Nitride Ceramic Base: High-Precision Rectangular Groove Bearing Platform from wholesalers

    Dark Gray Silicon Nitride Ceramic Base: High-Precision Rectangular Groove Bearing Platform

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    Brand Name : Dayoo
    Price : as negotiated and agreed
    Certification : GB/T 19001-2016/ISO 9001:2015
    Model Number : depend on the actual product
    Delivery Time : depend on the actual product
    Payment Terms : FOB
    Supply Ability : Factory
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    Dark Gray Silicon Nitride Ceramic Base: High-Precision Rectangular Groove Bearing Platform

    Dark Gray Silicon Nitride Ceramic Base: High-Precision Rectangular Groove Bearing Platform

    Product Introduction
    This product is manufactured using high-performance silicon nitride ceramic material, featuring a dark gray matte texture with uniform micro-sanded surface treatment. Designed in a rectangular structure, it incorporates a precision rectangular groove at the center and high-precision circular through-holes at all four corners. With overall dimensions strictly controlled to micrometer-level tolerances, it fully leverages the excellent properties of silicon nitride material, including high strength, high temperature resistance, and low thermal expansion, providing reliable bearing and positioning solutions for precision industrial applications.

    Core Advantages
    • Exceptional High-Temperature Resistance: Maximum service temperature up to 1200°C with excellent structural stability at high temperatures
    • Ultra-High Mechanical Strength: Flexural strength ≥800 MPa, compressive strength ≥2500 MPa
    • Outstanding Wear Resistance: Hardness HRA 91-93, wear rate below 5×10⁻⁷ mm³/N·m
    • Low Thermal Expansion Coefficient: 3.2×10⁻⁶/°C, ensuring dimensional stability under temperature variations
    • Excellent Insulation Performance: Volume resistivity >10¹⁴ Ω·cm, dielectric strength >15 kV/mm

    Specifications Table

    ParameterTechnical Specification
    MaterialSilicon Nitride Ceramic
    StructureRectangular with Groove
    ColorDark Gray Matte
    Density3.2 g/cm³
    HardnessHRA 91-93
    Flexural Strength≥800 MPa
    Compressive Strength≥2500 MPa
    Maximum Service Temperature1200°C
    Thermal Expansion Coefficient3.2×10⁻⁶/°C
    Surface RoughnessRa 0.4 μm

    Manufacturing Process
    Silicon nitride powder processing → Spray granulation → Bidirectional pressing → Isostatic pressing → Gas pressure sintering → Precision grinding → Groove machining → Hole precision machining → Surface treatment → Non-destructive testing

    Usage Instructions

    1. Ensure the base bottom surface is flat during installation, with all four corner through-holes aligned

    2. Avoid impact when placing workpieces in the groove; handle gently

    3. Avoid rapid temperature changes within the operating temperature range

    4. Regularly clean the groove area to maintain positioning accuracy

    5. Prevent collision with hard objects to avoid edge damage

    After-Sales Service
    We provide 24-month product quality assurance with professional technical team support for application guidance. Customer service files are established for regular usage status tracking. Emergency technical issues receive responses within 12 hours and solutions within 48 hours.

    FAQ
    Q: What is the machining accuracy of the rectangular groove?
    A: Groove dimensional tolerance is controlled within ±0.01 mm, with perpendicularity ≤0.005 mm, ensuring precise positioning.

    Q: What are the advantages compared to silicon carbide ceramics?
    A: Higher fracture toughness and better thermal shock resistance, making it more suitable for impact load applications.

    Q: Are special custom sizes supported?
    A: Yes, custom groove dimensions and hole positions are supported according to customer requirements, providing personalized solutions.



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