Silicon Nitride Ceramics Stable And Durable Components For High-Precision

Product Specification

Silicon Nitride Ceramics Stable And Durable Components For High-Precision Equipment And Measuring Instruments

Introduction
Silicon nitride ceramic precision components are high-performance ceramic assemblies specifically designed for optical equipment, measuring instruments, and automated machinery. Manufactured from high-purity silicon nitride (Si₃N₄) material through precision manufacturing processes, they exhibit exceptional mechanical properties, excellent thermal stability, and outstanding dimensional stability. These components play crucial roles in precise positioning, reliable connection, and stable load-bearing within equipment, ensuring maintained high precision and stability during long-term use.

Applications
Widely used in positioning, connecting, and load-bearing components of high-precision equipment:

• Optical Equipment: Optical platform supports, lens mounting brackets, laser positioning bases

• Measuring Instruments: CMM guideway supports, precision sensor mounting seats

• Automated Machinery: Industrial robot joint bearing seats, precision transmission mechanism connectors

• Semiconductor Equipment: Lithography machine positioning platforms, wafer handling robot arm connectors

• Precision Instruments: Astronomical telescope mounts, microscope focusing mechanisms

Advantages

1. Exceptional Dimensional Stability: Thermal expansion coefficient only 3.2×10⁻⁶/℃, ensuring long-term usage precision

2. Excellent Mechanical Properties: Flexural strength ≥800MPa, hardness ≥1650HV

3. Outstanding Thermal Stability: Maintains stable performance within -60℃ to 1200℃ temperature range

4. Low Density and High Stiffness: Density 3.2g/cm³, 60% lighter than steel with high rigidity

5. Superior Corrosion Resistance: Resistant to acids and alkalis, suitable for various working environments

Specifications Table

Manufacturing Process
Raw material selection → Formula optimization → Ball milling and mixing → Spray granulation → Dry pressing → Cold isostatic pressing → Gas pressure sintering → Precision machining → Ultra-precision grinding → Laser inspection → Cleaning and packaging → Quality inspection

Usage Instructions

1. Clean all contact surfaces before installation to ensure dust-free and oil-free conditions

2. Use special installation tools and tighten to specified torque requirements

3. Avoid local stress concentration, distribute loads evenly

4. Regularly check installation status, recommend inspection every 6 months

5. Operate in clean environments to avoid contamination and damage

After-Sales Service
36-month quality assurance period, lifetime technical support. Technical consultation and on-site guidance available, customized solutions provided. Customer files established, regular maintenance recommendations offered. 24-hour technical response, 48-hour emergency handling.

FAQ
Q1: What are the advantages compared to metal components?
A1: Higher stiffness-to-weight ratio, better thermal stability, superior dimensional stability, and non-magnetic and corrosion-resistant properties.

Q2: Do you support complex structure customization?
A2: Support complete customized production, can provide solutions for various complex structures and special requirements.

Q3: How to ensure installation accuracy?
A3: Recommend using special installation fixtures, strictly follow installation instructions, and provide on-site installation guidance when necessary.