Product Name: Silicon Nitride Nut Positioning Pins
Product Material: High-purity Silicon Nitride (Si₃N₄)
Material Characteristics: High strength, excellent wear resistance, thermal shock resistance, low friction coefficient, corrosion resistance
Application Fields: Precision positioning fixtures, high-temperature equipment, semiconductor manufacturing, automation equipment, mechanical seals
Application Industries: Semiconductor, automotive, aerospace, precision machinery, electronic manufacturing
Processing Challenges: Thread precision control, high hardness machining, dimensional stability maintenance, surface quality assurance
Processing Flow: Powder preparation → Forming → Pre-sintering → High-temperature sintering → Precision grinding → Thread processing → Inspection → Packaging
Delivery Time: 30-40 days , 45-60 days for customized designs
Silicon Nitride Nut Positioning Pins are precision-engineered components designed for applications requiring exceptional mechanical strength, reliable positioning accuracy, and long-term stability under extreme operating conditions. Manufactured from high-purity silicon nitride ceramic, these positioning pins deliver superior performance in precision fixturing and alignment applications, outperforming traditional metal components through their excellent wear resistance, thermal stability, and mechanical reliability.
Key Features:
Exceptional Mechanical Strength - High flexural strength (>800 MPa) and fracture toughness (6-8 MPa·m¹/²) provide outstanding resistance to bending and impact loads, ensuring reliable performance in high-stress positioning applications.
Excellent Wear Resistance - Superior hardness (HRA 90-93) and low friction coefficient (<0.1) ensure minimal wear in high-cycle applications, significantly extending service life compared to traditional metal positioning pins.
Outstanding Thermal Stability - Withstands continuous operation at temperatures up to 1200°C while maintaining dimensional stability and mechanical properties, suitable for high-temperature manufacturing processes and thermal cycling environments.
Superior Thermal Shock Resistance - Excellent resistance to rapid temperature changes (ΔT >800°C) prevents cracking and maintains structural integrity in applications involving sudden thermal variations.
Excellent Chemical Resistance - Highly resistant to most acids, alkalis, and corrosive media, ensuring long-term performance stability in harsh industrial environments where chemical exposure is common.
Precision Dimensional Control - Maintains tight tolerances (±0.01 mm) on critical dimensions and thread specifications, ensuring perfect fit and reliable performance in precision assembly and positioning applications.
