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Machining Copper Parts: The Ultimate Guide to Precision and Efficiency

Copper, with its excellent electrical conductivity, malleability, and resistance to corrosion, has been a popular material for various industries. Machining copper parts is a critical process in the manufacturing of electrical components, automotive parts, and even artistic sculptures. In this comprehensive guide, we will explore the ins and outs of machining copper parts, providing valuable insights on precision, efficiency, and cost-saving techniques.

The Importance of Copper in Manufacturing

Copper has been a material of choice for many industries due to its unique properties. Its high electrical conductivity makes it ideal for electrical components such as wires, connectors, and circuit boards. The automotive industry also relies on copper for various parts, including radiators, bearings, and brake tubes. Moreover, artists and architects appreciate copper's malleability and aesthetic appeal, using it in sculptures, roofing, and other decorative elements.

Machining Copper: Challenges and Solutions

Machining copper parts can be challenging due to the material's softness and high ductility. These properties can cause issues such as excessive tool wear, built-up edge, and poor surface finish. However, with the right techniques and equipment, these challenges can be overcome.

Tool Selection

Selecting the appropriate cutting tools is crucial for machining copper parts. Carbide tools are generally recommended due to their high wear resistance and ability to maintain a sharp cutting edge. Polycrystalline diamond (PCD) tools can also be used for extended tool life and improved surface finish.

Cutting Parameters

Optimizing cutting parameters, such as spindle speed, feed rate, and depth of cut, is essential for achieving precision and efficiency in machining copper parts. Higher spindle speeds and feed rates can help reduce built-up edge and tool wear, while a smaller depth of cut can minimize work hardening and improve surface finish.

Coolants and Lubricants

Using appropriate coolants and lubricants can significantly enhance the machining process. They help dissipate heat, reduce friction between the tool and workpiece, and prevent built-up edge. Water-soluble coolants are commonly used for machining copper, as they provide both cooling and lubrication.

Machine Rigidity

A rigid machine setup is crucial for machining copper parts with precision and efficiency. This can be achieved by using a stable workholding system, such as a vise or fixture, and minimizing tool overhang. A rigid machine setup helps reduce vibrations and chatter, leading to a better surface finish and improved tool life.

Cost-saving Techniques for Machining Copper Parts

Machining copper parts can be costly due to the material's price and the challenges associated with its machining. However, several cost-saving techniques can be employed to minimize expenses without compromising on quality.

Material Selection

Choosing the right grade of copper for your application can help reduce costs. Some copper alloys, such as brass and bronze, are easier to machine and may provide similar properties at a lower price.

Reusing and Recycling

Copper is a valuable material, and reusing or recycling scrap copper can help offset machining costs. By collecting and recycling chips and offcuts from the machining process, manufacturers can reduce waste and save on material expenses.

Optimizing Machining Processes

By optimizing the machining process, manufacturers can reduce cycle times and improve efficiency. This can be achieved by using advanced CAM software, implementing high-speed machining techniques, and investing in state-of-the-art CNC machines.


Machining copper parts is a vital process in various industries, and understanding the challenges and solutions associated with it is crucial for achieving precision and efficiency. By selecting the right tools, optimizing cutting parameters, and employing cost-saving techniques, manufacturers can produce high-quality copper parts while minimizing expenses. With the ever-growing demand for copper components, mastering the art of machining copper parts is essential for staying competitive in today's manufacturing landscape.

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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    Yes, we support ODM/OEM, we provide custom-made service for clients or even support clients on designing or improving

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