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Mastering CNC Cutting Techniques for Copper Sheets

Copper is a versatile and highly conductive material, making it a popular choice for various applications in industries like electronics, automotive, and construction. Its unique properties, such as corrosion resistance and malleability, make it an attractive option for many projects. However, working with copper sheets can be challenging, especially when it comes to cutting them with precision. In this blog post, we will explore the world of CNC cutting for copper sheets and provide valuable tips and techniques to help you achieve the best results.

Why Choose CNC Cutting for Copper Sheets

CNC (Computer Numerical Control) cutting machines offer several advantages over traditional cutting methods. These machines use computer-aided design (CAD) files to control the cutting process, resulting in precise and accurate cuts. Additionally, CNC machines can handle complex shapes and patterns, making them ideal for intricate copper sheet designs.

Essential Tips for CNC Cutting Copper Sheets

1. Select the right cutting tool:Choosing the appropriate cutting tool is crucial for achieving clean and accurate cuts. Carbide end mills are a popular choice for cutting copper sheets due to their durability and resistance to wear. Additionally, using a single-flute end mill can help reduce the risk of chip formation and improve the overall cutting process.

2. Optimize cutting speed and feed rate:The cutting speed and feed rate are critical factors that can affect the quality of your cuts. A slower cutting speed can help prevent the copper sheet from melting or deforming, while a higher feed rate can reduce the risk of tool breakage. It's essential to find the right balance between these two factors to achieve optimal results.

3. Use proper coolant:Copper is an excellent conductor of heat, which can lead to high temperatures during the cutting process. Using a suitable coolant can help dissipate heat and prevent the copper sheet from warping or melting. Water-soluble coolants are a popular choice for CNC cutting copper sheets, as they provide excellent heat dissipation and lubrication.

4. Secure the copper sheet:Ensuring that the copper sheet is securely clamped to the cutting surface is crucial for preventing movement during the cutting process. Using appropriate clamping techniques and devices can help minimize vibration and ensure precise cuts.

5. Maintain your CNC machine:Regular maintenance of your CNC machine is essential for achieving consistent and accurate cuts. Make sure to clean and lubricate the machine regularly, and inspect the cutting tools for wear and damage.


CNC cutting is an excellent method for working with copper sheets, offering precision and versatility that can't be matched by traditional cutting techniques. By following the tips outlined in this blog post, you can master the art of CNC cutting for copper sheets and create intricate, high-quality designs for your projects. Always remember to prioritize safety and maintain your CNC machine to ensure consistent results and a long-lasting cutting experience.

CNC Copper Machining

CNC Machining Copper Material is good electrical conductivity, thermal conductivity, it is soft and good for machining as it has high plasticity, it is easily and rapidly to carry out desired shape as machining cutter can run faster than other steel materials, and also reach high precision.

Copper has a shiny reddish-orange finish, which varies slightly based on the surface finish method. Copper can be media-blasted and polished to achieve many different cosmetic surface finishes.

CNC Machining Copper Parts are widely used in the manufacture of electrical wires, cables, electric brushes, electric spark, and other electrical devices and products.

CNC Copper Machining

Benefits of CNC Copper Machining

1/ CNC Machining Copper Parts are excellent in electricity conductivity, supporting very good electric function

2/ CNC Machining Copper Parts are soft, easy to design into different shape, also suitable for many processes

3/ Copper is easy for cutting and machining, its production efficiency is much higher than steel series

4/ Good propriety for bending and shaping

5/ Heat transferring function very good, high resistance, temperature stability, long durable using

6/ Stable surface, non-surface treatment is durable, electroplating is also used on copper parts

CNC Copper Machining

Composition And Property of CNC Machining Copper

Copper Property Alloy Type Content Melting Point Hardness Tensile Strength Density
Cu-based Zn, Sn, Si, Al, Ni 1083°C HB35-45 Low 8.9 g/cm3

Common Materials Code of CNC Machining Copper

Copper Alloy Workable Processes Surface Finishing for Copper Parts Materials Code
CNC Turning, CNC Milling, CNC Drilling, Molding, Forging, Fabrication, Welding, etc. Passivation, Anodizing, Plating, Chemical Polishing, etc. Copper 110
Copper 101
Copper 145
other more Copper Alloy

Asianstar: Professional CNC Machining Supplier

From year of 2005, Asianstar Company establish the CNC Machining Factory in Guangdong Province, China.
We mostly provide CNC Turning, Milling, Drilling, Grinding, and Multi Machining processes service on various materials.
With the Belief of becoming a key supplier in the supply-chain of Precision Components, we strictly control our product quality, keep high precision on our components production, buildup the whole-process QC System and submit the satisfaction for every order.
By long term development, we have buildup partnership with world-wide clients, supporting our partners in Designing, Optimizing, Producing and Testing on each type of components.


Advantages of Asianstar CNC Copper Machining

Strong Facilities

Asianstar many CNC and stamp machines allow us to produce various copper parts, different sizes, and structures are all well done by suitable solution

Long-term Skills

Asianstar professional engineers team has experience from year 2005, producing copper parts for world wide electric products

Stable Quality

Asianstar QC system and QC tools guarantee our products are perfect result. We have procedures to control copper parts quality during production

Competitive Price

Asianstar aim to buildup partnership with clients, always choose best suitable facilities to carry out the components in competitive prices


CNC Brass Machining


CNC Machining Brass material is used for wide range components, we support clients to produce a variety of parts such as gears, locks, electronics, pipe fittings, etc.

CNC Copper Machining


CNC Machining Copper material is soft and easy to machining on different shape of components. We mostly produce copper components for electric devices by machining and stamping

CNC Aluminum Machining


CNC Machining Aluminum materials is one of our most used materials. We support clients to turning, drilling or milling on aluminum material from size 0.5mm to 470mm

CNC Stainless Steel Machining

Stainless Steel

CNC Machining Stainless Steel are common material for wide range components, we produce Stainless Steel turning parts, milling parts, high smoothness components, etc.

CNC Titanium Machining


CNC Machining Titanium material brings components superb features, we use titanium to produce high precision work-piece for clients from aircraft, aerospace, medical devices

CNC Plastic Machining


Our CNC Machining Plastic materials includes ABS, HDPE, LDPE, Nylon, POM, Peek, Polycarbonate, etc. We produce them in high precision and high smoothness.


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