Custom Ceramic CNC Machining
China Top-Grade Precise Ceramic CNC Machining Service exceeds expectations.
- Competitive Price
- Fast Turnaround
- Material Certificates
- Global Delivery
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!
What is the Characteristics of ceramic material
Because of the following characteristics, ceramics are the best choice for parts in various industries.
Insulator
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.
Durability
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.
Lightweight
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.
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.
- Grinding: general tolerances of ±0.02mm, can achieve ±0.01mm with a surface finish of N2/N3
- CNC Turning: general tolerance of ±0.03mm, can achieve ±0.01mm with a surface finish of N4/N5
- CNC Milling: general tolerance of ±0.03mm, can achieve ±0.01mm with a surface finish of N4/N5
- CNC Milling: bed capacity of 1000mm in X and 510mm in Y, spindle speed of 12,000 rpm
- CNC Turning: capabilities of 250mm diameter with power tooling
- Our CNC machine equipped with synchronized rigid tapping for perfect internal threads
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!
- Employ modular design
- Avoid sharp and long edges
- Cross sections should not suddenly change
- Hole distances keep long enough
- Round designs are preferable to oval ones
- Utilize simple wall designs and shapes instead of complicate ones
- Convert tensile stress to compressive stress: this will enable the ceramic to absorb more stress without fracture
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.
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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.
Summary
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.