Silicon Nitride Ceramic I-Beam Guide Rail - High-Temperature Resistant Precision Guide Structural Component

Silicon Nitride Ceramic I-Beam Guide Rail - High-Temperature Resistant Precision Guide Structural Component

Product Overview

This product is a silicon nitride ceramic I-beam guide rail manufactured using hot pressing sintering technology, featuring a uniform dark gray matte texture with a precision ground surface. The product adopts an innovative I-beam symmetrical structure, combining 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

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