Ceramic CNC Machining Services
FastPreci offers a wide range of ceramic materials for CNC machining, including alumina, zirconia and silicon carbide. With high hardness, high temperature and corrosion resistance, these materials are widely used in electronic components and mechanical parts.
Our CNC machining services ensure the precision and surface finish of custom ceramic parts, meeting the requirements of high-performance applications. Whether you need CNC ceramic parts for industrial, medical, or electronics use, our experienced ceramic machining capabilities deliver exceptional quality.
Advantages of CNC Ceramic Parts
Extreme Hardness and Wear Resistance
Ceramic materials like alumina and zirconia are significantly harder than metals, ensuring longer service life even in abrasive environments.
High Temperature Stability
Ceramics maintain their strength and integrity at temperatures far exceeding those tolerated by metals and polymers.
Excellent Electrical Insulation
Many ceramics are natural electrical insulators, ideal for electronic, semiconductor, and high-voltage applications.
Chemical and Corrosion Resistance
Ceramics resist acids, alkalis, and most chemical attacks, making them perfect for harsh operating conditions.
Dimensional Stability
Ceramic parts exhibit minimal thermal expansion, ensuring high precision and tight tolerances even under thermal cycling.
Biocompatibility
Certain ceramics are biocompatible and are widely used in medical and dental implants.
Common Ceramic CNC Machining Materials
Aluminum oxide (Al₂O₃) ceramics have high hardness, strength, and excellent wear and corrosion resistance, and are widely used in the manufacture of high-precision components such as electronic insulation, mechanical wear parts, and medical equipment. Its insulating properties and high temperature resistance (up to 1500°C) make it an ideal processing material for stable performance in high-temperature environments such as electronics, chemicals and aerospace.
| Model | Density (g/cm³) | Hardness (HV) | Tensile Strength (MPa） | Fracture Toughness (MPa-m^0.5) | Heat Resistance (°C) |
| 96% Alumina | ~3.7 | 1500 | 300 | 3.0 | 1600 |
| 99% Alumina | ~3.9 | 1700 | 350 | 3.5 | 1700 |
| 99.5% Alumina | ~3.9 | 1800 | 370 | 4.0 | 1750 |
| High Purity Alumina (99.9%) | ~3.95 | 1900 | 400 | 4.5 | 1800 |
| Porous Alumina | ~3.5 | 1200 | 250 | 2.5 | 1400 |
Zirconia ceramics (ZrO₂) are widely used in CNC machining for their high toughness, hardness and wear resistance. Its superior strength and crack resistance compared to aluminum oxide makes it suitable for precision parts where high impact and wear resistance is required. Its corrosion resistance and chemical stability make it useful in medical, automotive and aerospace applications for cutting tools, seals, dental materials and more. In addition, zirconia’s excellent thermal insulation properties make it suitable for high-temperature environments.
| Model | Content (%) | Density (g/cm³) | Hardness (HV) | Flexural strength (MPa) | Toughness (MPa-m^1/2) | Thermal conductivity (W/m-K) | Maximum working temperature (°C) |
| Y-TZP | ZrO₂≥94% | 6.0-6.1 | 1200 | 900-1200 | 8-10 | 2.5 | 1000 |
| Mg-PSZ | ZrO₂≥94%,MgO4-5% | 5.7 | 1100 | 800-1000 | 6-8 | 2.5 | 1100 |
| Ce-TZP | ZrO₂≥90%,CeO₂10% | 6.1 | 1200 | 600-800 | 10-12 | 2.6 | 1000 |
Silicon Carbide (SiC) ceramics are widely used in CNC machining due to their excellent resistance to high temperatures, corrosion, and high hardness. They are particularly suitable for the manufacture of mechanical seals, semiconductor equipment parts, and wear-resistant components, and are widely used in aerospace and chemical applications. Its good thermal conductivity makes it stable in extreme environments and suitable for applications requiring high strength and durability.
| Model | Content (%) | Density (g/cm³) | Hardness (HV) | Flexural strength (MPa) | Thermal conductivity (W/m-K) | Maximum working temperature (°C) |
| RBSC | SiC ≥ 85% | 3.1-3.2 | 2200 | 300-400 | 90-100 | 1350 |
| SSiC | SiC ≥ 98% | 3.1 | 2500 | 400-500 | 120-130 | 1600 |
| HPSiC | SiC ≥ 99% | 3.1-3.2 | 2700 | 500-600 | 130-140 | 1800 |
Ceramic CNC Machining Tolerances
We understand that the precision of ceramic parts is critical. Our advanced CNC machining processes, combined with grinding and post-processing techniques, allow us to achieve tolerances as tight as ±0.005 mm on critical dimensions. Whether you’re working with green or sintered ceramics, we can tailor our machining strategy to meet your tolerance requirements, ensuring reliable performance in demanding applications.
| Standard Tolerance | Tight Tolerance | |||||||||||
| Dimension | ±0.05 mm | ±0.01 mm | ||||||||||
| Hole Diameter | ±0.03 mm | ±0.005 mm | ||||||||||
| Flatness (100 mm) | 0.03 mm | 0.01 mm | ||||||||||
| Parallelism | 0.05 mm | 0.01 mm | ||||||||||
| Perpendicularity | 0.05 mm | 0.02 mm | ||||||||||
| Roughness | Ra 3.2 μm | Ra 0.4 μm | ||||||||||
| Concentricity | ±0.03 mm | ±0.01 mm | ||||||||||
Ceramic CNC Machining for Various Industries
Industrial Automation
Brackets, housings, custom shafts, and mounting plates for high-precision automation systems.
Robotics
Lightweight structural frames, joint components, and gear housings with tight tolerances.
Medical Devices
Surgical instrument parts, implantable components, and precision housings for diagnostic equipment.
Consumer Electronics
Heat sinks, connectors, enclosures, and intricate internal components requiring high surface quality.
Precision Instruments
Sensor mounts, calibration tools, and high-accuracy measurement system components.
New Energy Equipment
Battery housings, thermal management parts, and precision components for fuel cells and EV systems.
Custom Ceramic Parts Finishing Options
We offer a wide range of ceramic finishing options to meet your performance, functional, and aesthetic requirements. Whether you need smoother surfaces, tighter tolerances, or enhanced durability, our finishing capabilities ensure your cnc ceramic parts are production-ready.
| Finishing Option | Description | Typical Applications | |||||||||
| As Sintered | No post-processing; retains original sintered texture. Cost-effective. | Prototypes, non-critical surfaces | |||||||||
| Precision Grinding | Achieves tight dimensional tolerances and flatness. Surface Ra up to 0.1μm. | Sealing surfaces, tight fit assemblies | |||||||||
| Lapping & Polishing | Ultra-smooth finish with mirror-like surface. Excellent for optical or fluidic parts. | Optical sensors, fluid flow components | |||||||||
| Sandblasting | Produces a uniform matte texture and removes surface impurities. | Bonding prep, cosmetic finishes | |||||||||
| Glazing | Adds a smooth, often glossy coating to improve aesthetics and chemical resistance. | Consumer ceramics, medical devices | |||||||||
| Laser Marking | High-precision marking without damaging the ceramic structure. | Part ID, logos, traceability |
Custom Ceramic Parts Gallery
Why Choose FastPreci for Ceramic CNC Machining?
Fast
CNC ceramic parts delivered as fast as 3 days, accelerating your R&D and production progress, easily meet tight deadlines.
Precision
Tolerances as tight as 0.005mm, rich experience with advanced 5-axis CNC machines, mill-turn machines, and precision grinding machines, meets a variety of tolerance requirements.
Cost-effective
According to your functionality and quantity requirements, develop the optimal manufacturing process, combined with efficient self-owned factories to achieve optimal performance and cost.
One-stop Solution
From CNC milling and turning to surface finishing and secondary processes, we handle everything from rapid prototyping to full-scale production — all in one place.
Strict Quality Control
ISO 9001 quality management system certification, equipped with various quality inspection instruments including Zeiss coordinate, process and results can be controlled.
Engineering Support
Experienced engineers provide engineering support, including material recommendations, DFM analysis, cost evaluation, and design optimization suggestions to make design easier.
Ceramic CNC Machining Knowledge
