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| Categories | Silicon Nitride Ceramics | 
|---|---|
| Place of Origin: | Made In China,Zhejiang,Jinhua | 
| Brand Name: | Dayoo | 
| MOQ: | Negotiate | 
| Price: | Negotiate | 
| Delivery Time: | Negotiable | 
| Payment Terms: | Negotiable | 
| Mechanical Strength: | High | 
| Melting Point: | 1900°C | 
| Dimension: | 128*17*4mm | 
| Tolerance: | ±0.005mm | 
| Colour: | dark grey | 
| Breakdown Voltage: | 20-25 KV/mm | 
| Fracture Toughness: | 7 MPa | 
| Port: | Shanghai | 
| Usage: | high temperature environment | 
| Blade Material: | Silicon Nitride Ceramic | 
| Size Range: | 0.5mm-100mm | 
| Color: | White | 
| Wattage Density: | 2~25W/cm2 | 
| Corrosion Resistance: | High | 
| Processing Service: | Bending, Welding, Cutting, Moulding | 
| Packaging Details: | Carton | 
| Company Info. | 
| Dayoo Advanced Ceramic Co.,Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
This product is a silicon nitride ceramic irregular slide block manufactured using gas pressure sintering technology, featuring a uniform dark gray color and mirror-level smoothness achieved through precision polishing. The product adopts an innovative integrated structural design, combining an irregular block main body, semi-cylindrical positioning protrusion, and through-type circular hole to achieve multifunctional structural integration. This composite design ensures precise positioning functionality while providing excellent mechanical support, making it particularly suitable for high-precision industrial equipment applications.
• Precision Machinery: CNC machine tool positioning slide blocks,
automated equipment guide components
• Fluid Control Systems: High-pressure pump and valve sealing
connectors, chemical equipment wear-resistant liners
• Semiconductor Manufacturing: Wafer transfer robotic arm
connection blocks, vacuum equipment insulation positioning parts
• Measuring Instruments: Precision measurement platform vibration
damping bases, optical instrument leveling components
• Special Equipment: High-temperature kiln guide slide blocks,
laser equipment heat dissipation brackets
→ Excellent Mechanical Properties: Compressive strength ≥2300 MPa,
flexural strength ≥680 MPa
→ Outstanding Wear Resistance: Vickers hardness ≥1520 HV, wear life
8 times longer than metal materials
→ Superior Temperature Resistance: Continuous operating temperature
-60℃~1300℃
→ Excellent Insulation Performance: Volume resistivity >10¹⁵
Ω·cm, dielectric strength ≥22 kV/mm
→ Low Thermal Expansion Coefficient: 3.2×10⁻⁶/℃, ensuring
dimensional stability in high-temperature environments
| Performance Indicator | Technical Parameter | 
|---|---|
| Material Composition | Si₃N₄ ≥96.8% | 
| Appearance | Dark Gray Mirror Polishing | 
| Bulk Density | 3.26 g/cm³ | 
| Through-Hole Accuracy | H6 Grade Tolerance | 
| Surface Roughness | Ra ≤ 0.1 μm | 
| Operating Temperature Range | -60℃~1300℃ | 
| Thermal Conductivity | 27 W/(m·K) | 
| Fracture Toughness | 7.2 MPa·m¹/² | 
High-purity powder formulation → Uniform binder mixing → Isostatic pressing → Vacuum debinding → Gas pressure sintering → Three-dimensional rough grinding → Precision hole machining → Surface fine grinding → Mirror polishing → Non-destructive testing
Ensure accurate alignment between positioning protrusion and matching groove during installation
Recommended fit clearance: 0.03-0.08 mm
Reserve thermal expansion allowance when used in high-temperature conditions
Regularly inspect through-hole inner wall and positioning protrusion for wear
Avoid contact with strongly corrosive media such as hydrofluoric acid and hot concentrated alkali solutions
• 18-month product quality guarantee
• Complimentary technical selection and installation guidance
• Support for small-batch trial orders (Minimum Order Quantity: 15
pieces)
• Provision of material test reports and usage certificates
• Establishment of dedicated customer files with lifelong technical
consultation
Q: What are the design advantages of the semi-cylindrical
protrusion?
A: The semi-cylindrical structure provides precise radial
positioning while facilitating alignment adjustment during
installation
Q: How is the dimensional accuracy guaranteed?
A: Using five-axis machining centers, dimensional tolerance reaches
±0.01 mm, roundness ≤0.005 mm
Q: How does it perform in vibrating environments?
A: The high damping characteristics of silicon nitride make it
particularly suitable for vibrating environments, with better
vibration damping than metal materials
Q: Is custom complex structure supported?
A: Supports 3D modeling customization, maximum processable complex
structural part size 150×100×80 mm

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