Precision Instrument Alumina Ceramic Guide Shaft: Reliable Guarantee For High-Precision Motion
Precision Instrument Alumina Ceramic Guide Shaft: Reliable Guarantee For High-Precision Motion
Product Introduction
Precision instrument alumina ceramic guide shafts are precision functional components made from high-purity (≥99%) alumina material. This product achieves micron-level dimensional accuracy through precision machining, offering extremely high hardness, wear resistance, and stable physical and chemical properties. Designed specifically for linear motion systems in high-precision, high-frequency, and special environments, it serves as a core moving component in precision instruments and high-end equipment.
Main Applications
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Precision Measuring Equipment: Guide systems for high-precision instruments such as coordinate measuring machines and optical measuring instruments.
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Semiconductor Manufacturing Equipment: Precision motion mechanisms in high-cleanliness environments like lithography machines and wafer inspection equipment.
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Medical Devices: High-precision medical instruments such as advanced medical analyzers and surgical robots.
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Optical Instruments: Motion guide systems for precision optical instruments like high-precision microscopes and laser equipment.
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Automation Equipment: High-demand industrial equipment such as high-precision placers and precision inspection devices.
Core Advantages
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Ultra-High Hardness: Vickers hardness ≥1700, wear resistance is 10 times higher than bearing steel.
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Minimal Thermal Deformation: Thermal expansion coefficient is only 1/3 that of steel, ensuring dimensional stability during temperature changes.
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Excellent Corrosion Resistance: Resistant to acids, alkalis, and corrosion, suitable for special working environments.
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Lightweight: Density is only 40% that of steel, reducing inertia of moving parts.
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High Rigidity: Elastic modulus up to 380 GPa, ensuring motion accuracy.
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Insulation Performance: Excellent electrical insulation, suitable for special electrical environments.
Specification Parameter Table
| Parameter | Technical Indicators |
|---|---|
| Material Purity | 99% Al₂O₃ |
| Diameter Accuracy | ±0.001mm |
| Straightness | ≤0.001mm/100mm |
| Surface Roughness | Ra≤0.05μm |
| Vickers Hardness | ≥1700HV |
| Flexural Strength | ≥380MPa |
| Thermal Expansion Coefficient | 7.2×10⁻⁶/K |
| Operating Temperature | -50℃～1500℃ |
| Insulation Resistance | ≥10¹⁴Ω |
Process Flow
Raw material preparation → Isostatic pressing → High-temperature sintering → Precision grinding → Ultra-precision machining → Dimensional inspection → Surface treatment → Cleaning and packaging → Quality inspection.
Usage Instructions
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Clean the installation area to ensure it is dust-free and oil-free before installation.
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Use specialized tools during installation to avoid direct impact.
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It is recommended to use with ceramic bearings or support components made of special materials.
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The ambient temperature change should be controlled within ±5°C per hour.
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Regularly inspect the surface condition and perform timely cleaning and maintenance.
After-Sales Service
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18-month quality warranty, lifelong technical support.
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Respond to customer inquiries within 48 hours.
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Provide free technical consultation and selection guidance.
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Unconditional return or replacement within 15 days for quality issues.
FAQ
Q: What are the advantages of ceramic guide shafts compared to metal guide shafts?
A: They offer higher hardness, better wear resistance, lighter weight, and superior corrosion resistance, making them particularly suitable for high-precision and special environment applications.
Q: What is the maximum processable length?
A: The maximum length for standard products is 500mm, and custom lengths up to 1000mm are available for special requirements.
Q: Is non-standard customization supported?
A: Yes, products can be customized according to customer requirements for different diameters, lengths, and precision grades.
Q: How to ensure installation accuracy?
A: It is recommended to install in a constant temperature environment, use specialized installation tools, and strictly follow installation specifications.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.