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Precision Silicon Nitride Ceramic Guide Rail with Electrically Insulating and Extreme Heat Resistant Properties

Name: Precision Silicon Nitride Ceramic Guide Rail with Electrically Insulating and Extreme Heat Resistant Properties
Brand: Dayoo Advanced Ceramic Co.,Ltd
SKU: depend on the actual product
Availability: InStock

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

Get Best Price

Product Details

Product Description

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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 with Electrically Insulating and Extreme Heat Resistant Properties

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 ideal 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

Use precision level during installation to ensure straightness ≤0.02 mm/m
Recommended fit clearance 0.03-0.08 mm, avoid tight fits
Reserve thermal expansion clearance when used in high-temperature environments
Regularly clean guide rail surface, recommend checking wear every 500 hours
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.

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