Custom Ceramic CNC Machining

China Top-Grade Precise Ceramic CNC Machining Service exceeds expectations. 


Industrial Ceramic Materials CNC Machining Supplier

Are you looking for a reliable, quick-turn supplier of CNC Ceramic parts?

If you’re in need of quick and reliable ceramic-processing assistance, AT-Machining is the team to turn to. With over 10 years of experience providing custom CNC machining services for ceramics – both sintered and unsintered (“green”) – your project requirements will be met with precision quality at a competitive price. Partnering with us guarantees satisfaction coupled with professional CNC milling, grinding, or polishing that’s crafted just for you!

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aluminum nitride parts
boron nitride parts
silicon nitride parts
zirconia parts

What is the Characteristics of ceramic material

Because of the following characteristics, ceramics are the best choice for parts in various industries. 


Ceramics demonstrate superior electrical insulation properties, making them the material of choice for protecting wires and components that are critical to various applications. With ceramics, users can enjoy better protection than other traditional insulating materials can offer.

Chemical Stability

Ceramics are a special material group that provides robust protection for sensitive instruments against corrosive elements and contamination. Their chemical inertness makes them resistant to corrosion, so they can maintain performance in harsh environments.



With its remarkable resistance to wear and tear, ceramic offers a durable solution for long-term use. The wear resistance is 266 times that of manganese steel and 171.5 times that of high chromium cast iron. According to our more than ten years of customer tracking survey, the same working condition can prolong the service life of the equipment at least ten times more than.

High Strength & Hardness

Ceramics boast remarkable hardness and strength, making them a top choice for those seeking materials of exceptional durability. The unbeatable strength-to-density ratio makes modern engineering alloys pale incomparison.



Zirconia ceramics, for example, have a density of 6.03.which can greatly reduce equipment load. Other types of ceramics have lower density and are suitable for industries that require lightweight.

overview of various ceramics

AT-Machining provides high-precision ceramic products for North America, Europe, Australia, and other developing countries

Zirconia (Zro2) ceramic is a remarkable material with extraordinary properties. Boasting strength and resilience comparable to steel, its hardness, wear-resistance, and corrosion protection are unparalleled among ceramics – which also makes it one of the toughest materials on earth.

Struggling to find a suitable partner for your zirconia machining requirements? Look no further than AT-Machining! Our experienced team of technical ceramics specialists can provide you with all the necessary advice on materials, design, and application. Plus, our comprehensive custom-machined components – so whatever you need, get in touch today and let us assist with your advanced ceramic prototyping & manufacturing endeavors.

Alumina is a powerful technical ceramic composed of Aluminum Oxide (Al2O3) – acclaimed for its remarkable durability and strength. It stands strong against wear, erosion, corrosion, and high temperatures making it an ideal choice in the industrial world across various applications.

Our decades of experience have enabled us to craft unique and complex ceramic pieces out of high-purity alumina. Thanks to our new CNC machine, we are now able to fulfill special requests for machined cylindrical parts with unparalleled precision.

Silicon Nitride (Si3N4) is an incredibly robust material, uniquely combining superior mechanical and electrical properties with remarkable thermal shock resistance. Unparalleled high temperature capabilities make it the ideal choice for tough industrial applications; its impressive creep and oxidation resistance alongside low conductivity guarantees exceptional performance in even the most demanding conditions. Si3N4’s unrivaled wear resistance ensures a lasting solution everywhere from harsh environments to extreme temperatures!

Silicon carbide is developing rapidly in the field of materials due to its stable chemical properties, high thermal conductivity, small thermal expansion coefficient, small density, good wear resistance, high hardness, high mechanical strength, chemical corrosion resistance, and other characteristics. Silicon carbide ceramics, because of their low density, small coefficient of thermal expansion, high hardness, high-temperature resistance, sizeable elastic modulus, corrosion resistance, and other characteristics, are widely used in ceramic ball bearings, valve doors, semiconductor materials, gyro, measuring instruments, aerospace and other fields

Macor is an innovative hybrid glass-ceramic that delivers excellent electrical and thermal insulation along with the machinability of metal. It offers superior performance in extreme conditions, such as high temperatures or corrosive environments, while providing many properties common to advanced technical ceramics – making it a versatile choice for any application requiring mechanical stability or electrical isolation.

Macor provides an affordable and efficient solution for prototyping or medium-volume production needs — it can be machined with conventional metalworking tools, allowing faster turnarounds at a lower cost than other technical ceramics.

Boron Nitride is a cutting-edge synthetic ceramic material that stands out from the rest. Not only does it boast incredible heat capacity and thermal conductivity, but it also has excellent machinability properties as well as lubricity, low dielectric constant, and superior dielectric strength for maximum performance in any context.

Boron nitride’s resemblance to graphite has earned it the nickname “white graphite.” Its unrivaled electrical insulation and thermal shock resistance make boron nitride an ideal material for precise machining operations that don’t require additional heat treating – making its applications seemingly endless.

Industrial Ceramics Comparison

Evaluating Key Properties and Applications to Determine the Perfect Fit for Your Project

Ceramic Type Mechanical Properties Indicator Thermal Properties Indicator Chemical Properties Indicator Application Areas Indicator Cost Ease of CNC Machining Indicator Application of Specific Case
Alumina High Good Excellent Broad Moderate Challenging Electrical insulators in high-voltage power transmission systems
Zirconia Very High Moderate Good Broad High Moderate Dental implants
Silicon Carbide Extremely High Excellent Excellent Broad Very High Tough Ceramic brake discs for sports cars
Silicon Nitride Very High Good Strong Broad High Challenging Ball bearings for high-speed and high-precision applications
Cordierite Moderate Excellent Good Moderate Moderate Easier Automotive catalytic converters
Mullite Moderate Good Excellent Moderate Moderate Easier Insulating bricks and kiln furniture in high-temperature furnaces
Steatite Moderate Good Good Moderate Low Easier Electrical insulators for high-frequency antennas

Important Parameters Of Different Types Of Ceramics​

AT-Machining equips customers with the most advanced ceramic materials, offering an array of options to perfectly suit every application. Each ceramic has its own unique properties and it is critical to choose the right material for your project.

Zirconia Alumina Aluminum Nitride Silicon Nitride Silicon Carbide Macor Boron Nitride Boron Carbide
Compressive Strength (MPa) 2100 3500 3000 3000 2500 345 254 3000
Density (g/cm³) 6.07 3.98 3.32 3.3 3.1 2.52 2.9 2.8
Flexural Strength (MPa) 1400 650 350 970 390 94 144 420
Fracture Toughness (MPa m1/2) 17 4.5 3 8.5 4.6 1.53 N/A 4
Hardness (GPa) 14.5 18 12 16 28 2.3 N/A 33
Maximum Temperature(Insert ℃) 1500 1750 1200 1400 1900 1000 2000 1800
Thermal Conductivity (W·m-1·K-1) 3 45 230 28 102.6 1.46 130 90
Thermal Expansion (10-6/K ℃) 10 7.5 4.55 1.9 4.02 9.3 4.1 N/A

Industrial applications of ceramics

Our services are pushing the boundaries of human innovation, providing components for missions in aerospace engineering and scientific exploration. Our solutions can be found across a variety of industries from medical devices to semiconductors – equipping users with infinite possibilities for advancements.

medical equipment
optical equipment
silicon wafer

How is ceramic CNC machining

Ceramic CNC machining is a subtractive manufacturing process that is used to create precise ceramic parts with complex geometries. The process involves designing the part using CAD software, which is then converted into machine-readable code.

The CNC machine uses diamond tooling to cut and shape the ceramic material into the desired shape with high precision and accuracy. Ceramic CNC machining is suitable for applications that demand high-temperature resistance or wear resistance, and it offers tight tolerances and excellent surface finishes.

The process requires a well-controlled cutting process due to the hardness and brittleness of ceramics, and specialty cutting tools are selected for appropriate tooling, ensuring its success in achieving high-quality results.

Our Tolerances for CNC Ceramic Machining

Our commitment to quality and precision stands out. With advanced measuring equipment, highly skilled QC inspectors, and a relentless pursuit of extreme tolerance, we offer custom CNC machining parts of the highest standard. Our expertise makes us an industry-trusted supplier you can rely on.

our tolerances for cnc ceramic machining (1)

Tips for Designing and CNC Machining Ceramics

When designing with ceramics, it is important to keep in mind their inherent characteristics. During CNC machining of ceramic materials, potential cracking caused by stress on a single point should be avoided – this is where several helpful tips can prove invaluable!

3d design 700 500

Gallery of Our Ceramics CNC machining parts

We machine rapid prototypes and low & large-volume production orders for customers in multiple industries: medical devices, aerospace, automotive, defense, electronics, hardware startups, industrial automation, machinery, marine and robotics, and many more.

Frequently Asked Questions

Grinding is a highly-utilized method of machining Ceramics while in their sintered state. Through its process, an abrasive wheel rotates to remove material from the workpiece’s surface, offering optimal precision and accuracy for efficient manufacturing solutions.

Ceramics have been a staple in aerospace and aviation due to their impressive heat resistance capabilities – however, forming them can be pretty challenging. While cutting or machining these materials may save on production costs upfront, incorrectly doing so could lead to costly structural integrity issues.

EDM machining is a powerful, reliable process, but its capabilities can be strained when it comes to semi-conductive and non-conductive ceramics. Such materials represent a real challenge for this manufacturing approach

Compared with most CNC materials, ceramics are not cost-effective

Ceramics may be durable, but when it comes to withstanding the strain of high-tensile strength applications, metals are typically a better choice.
From small slips to catastrophic crashes, ceramics are delicate and vulnerable – sustaining fatal damage when subjected to hard impacts or heavy hits.
With advanced manufacturing processes, machining ceramics requires close attention to accurate dimensional tolerances. It is a difficult task that demands precision and skill from experienced professionals.

Creating precise and usable products from ceramic materials requires a delicate process of continual material removal to modify the shape or size. With careful control, advanced CNC machining technology transforms raw ceramic into finely crafted objects with exacting specifications.


In addition to ceramics, many metals and plastics can be CNC processed, including aluminum, steel, brass, copper, stainless steel, steel, POM, PEEK, Nylon, PVC, and so on. These metals have their functions, as well as advantages and disadvantages. Choose the right materials, depending on your project.

Are you looking for a reliable and trusted CNC machining company for custom-machined parts? AT-Machining guarantees rapid prototyping, high-quality CNC parts, and a quick lead time. Contact us today.

Get your parts into production today!