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Home > Products > Silicon Nitride Ceramics > Precision Silicon Nitride Ceramic Guide Rail - Lightweight, Electrically Insulating & Extreme Heat Resistant for High-Temperature Applications

Precision Silicon Nitride Ceramic Guide Rail - Lightweight, Electrically Insulating & Extreme Heat Resistant for High-Temperature Applications

Product Details

Place of Origin: Made in China,Zhejiang,Jinhua

Brand Name: Dayoo

Certification: GB/T 19001-2016/ISO 9001:2015

Model Number: depend on the actual product

Payment & Shipping Terms

Minimum Order Quantity: as negotiated and agreed

Price: as negotiated and agreed

Packaging Details: Carton,Wooden Case

Delivery Time: depend on the actual product

Payment Terms: FOB

Supply Ability: Factory

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Roughness:
0.1um
Flexural Strength:
850-900 MPa
Color:
Gray
Type:
Ceramic Parts
Logo:
Laser Engraving
Bending Strength:
>750 MPa
Shape:
Customerized
Dielectric Constant:
9
Colour:
Gray
Wire Length:
300mm
Size Range:
0.5mm-100mm
Fracture Toughness:
6-7(MPa•m1/2)
Density:
3.2-3.3 G/cm3
Thermal Conductivity:
25-30 W/mK
Voltage:
110-220V
Roughness:
0.1um
Flexural Strength:
850-900 MPa
Color:
Gray
Type:
Ceramic Parts
Logo:
Laser Engraving
Bending Strength:
>750 MPa
Shape:
Customerized
Dielectric Constant:
9
Colour:
Gray
Wire Length:
300mm
Size Range:
0.5mm-100mm
Fracture Toughness:
6-7(MPa•m1/2)
Density:
3.2-3.3 G/cm3
Thermal Conductivity:
25-30 W/mK
Voltage:
110-220V
Precision Silicon Nitride Ceramic Guide Rail - Lightweight, Electrically Insulating & Extreme Heat Resistant for High-Temperature Applications
Precision Silicon Nitride Ceramic Guide Rail – Lightweight, Electrically Insulating & Built For Extreme Heat
Product Overview
This silicon nitride ceramic I-beam guide rail is manufactured using hot pressing sintering technology, featuring a uniform dark gray matte texture with a precision ground surface. The innovative I-beam symmetrical structure combines an elongated main body with vertical rectangular protrusions at both ends and the middle to form a stable three-support point structure. This design ensures sufficient structural strength while achieving precise guide positioning functionality, making it particularly suitable for high-precision automated equipment applications.
Primary Applications
  • High-Temperature Equipment: Heat treatment furnace conveying guide rails, sintering furnace bearing tracks
  • Precision Machinery: CNC machine tool linear guide rails, precision measuring instrument guide components
  • Automated Equipment: Robotic arm positioning tracks, automated production line conveying guide rails
  • Semiconductor Manufacturing: Wafer transfer guide rails, vacuum equipment guide components
  • Special Equipment: High-temperature spraying equipment guide rails, laser processing machine guide mechanisms
Product Advantages
  • Ultra-high Structural Strength: Compressive strength ≥2400 MPa, flexural strength ≥720 MPa
  • Exceptional Wear Resistance: Vickers hardness ≥1580 HV, wear life 8 times longer than alloy guide rails
  • Excellent Thermal Stability: Continuous operating temperature -60℃~1380℃
  • Low Friction Coefficient: Dynamic friction coefficient ≤0.15, no additional lubrication required
  • Precise Dimensional Stability: Thermal expansion coefficient 3.1*10⁻⁶/℃, ensuring high-temperature accuracy
Technical Specifications
Performance Indicator Technical Parameter
Material Composition Si₃N₄ ≥97.2%
Surface Treatment Precision Grinding (Ra=0.4-0.6 μm)
Bulk Density 3.27 g/cm³
Straightness ≤0.01 mm/100 mm
Flatness ≤0.008 mm
Operating Temperature -60℃~1380℃
Thermal Expansion Coefficient 3.1*10⁻⁶/℃
Fracture Toughness 7.8 MPa*m¹/²
Manufacturing Process
Ultra-fine powder formulation → Hot pressing casting → Vacuum debinding → Hot pressing sintering → Three-dimensional rough grinding → Precision guide rail grinding → End face precision machining → Ultrasonic cleaning → CMM inspection → Anti-vibration packaging
Usage Guidelines
  1. Use precision level during installation to ensure straightness ≤0.02 mm/m
  2. Recommended fit clearance 0.03-0.08 mm, avoid tight fits
  3. Reserve thermal expansion clearance when used in high-temperature environments
  4. Regularly clean guide rail surface, recommend checking wear every 500 hours
  5. Avoid impact loads, ensure even force distribution
Service Commitment
  • 24-month quality assurance period
  • Complimentary installation and debugging guidance
  • Support for custom size services
  • Provision of on-site technical support
  • Lifetime maintenance services
Frequently Asked Questions
Q: What are the advantages of the I-beam structure?
A: The I-beam structure achieves lightweight while ensuring rigidity, with three-support point design enhancing stability
Q: How is product straightness guaranteed?
A: Using precision guide rail grinding machines, straightness can reach 0.01 mm/100 mm
Q: Is dimensional stability maintained in high-temperature environments?
A: Testing shows dimensional change rate <0.015% after 500 hours at 1000℃
Q: What is the maximum processable length?
A: Currently maximum processable I-beam guide rail length is 1200 mm
Precision Silicon Nitride Ceramic Guide Rail - Lightweight, Electrically Insulating & Extreme Heat Resistant for High-Temperature Applications 0