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Tungsten Copper Machinability: A Comprehensive Guide to Optimizing Your Manufacturing Process

Tungsten copper, also known as CuW, is a composite material that combines the desirable properties of both tungsten and copper. With its high thermal and electrical conductivity, excellent arc-resistance, and impressive strength, it has become a popular choice for various applications in industries such as aerospace, electrical, and automotive. As the demand for tungsten copper components increases, understanding the machinability of this unique alloy is essential for optimizing the manufacturing process. In this comprehensive guide, we'll delve into the key aspects of tungsten copper machinability, including its characteristics, machining techniques, and tips for achieving the best results.

Characteristics of Tungsten Copper

Tungsten copper is a composite material made by infiltrating copper into a porous tungsten matrix. The resulting alloy exhibits a unique combination of properties that make it ideal for a wide range of applications. Some of the key characteristics of tungsten copper include:

1. High thermal conductivity: Tungsten copper has excellent thermal conductivity, which allows it to dissipate heat quickly and efficiently. This makes it ideal for applications that require efficient heat dissipation, such as electrical contacts and heat sinks.

2. High electrical conductivity: The copper content in the alloy provides high electrical conductivity, making tungsten copper a popular choice for electrical contacts and electrodes.

3. High strength and hardness: Tungsten is known for its high strength and hardness, and these properties are retained in the tungsten copper alloy. This makes it suitable for applications that require high wear resistance and durability, such as cutting tools and wear parts.

4. Low thermal expansion: Tungsten copper has a low coefficient of thermal expansion, which means it won't expand or contract significantly under temperature changes. This makes it ideal for applications where dimensional stability is crucial, such as in aerospace components and electronic devices.

Machining Techniques for Tungsten Copper

Given its unique properties, tungsten copper can be challenging to machine. However, with the right techniques and tools, it is possible to achieve excellent results. Some of the most common machining techniques used for tungsten copper include:

1. Turning: Turning is a process where a cutting tool is used to remove material from the workpiece as it rotates. Tungsten copper can be turned using conventional turning techniques and tools, such as carbide or diamond-tipped tools. However, due to its high hardness, it is essential to use sharp cutting tools and maintain appropriate cutting speeds and feeds to minimize tool wear and prevent workpiece damage.

2. Milling: Milling involves using a rotating cutting tool to remove material from the workpiece. Tungsten copper can be milled using carbide or diamond-tipped tools, but care must be taken to maintain appropriate cutting speeds and feeds to minimize tool wear and prevent workpiece damage. Coolant should also be used during the milling process to dissipate heat and prolong tool life.

3. Grinding: Grinding is a process where an abrasive wheel is used to remove material from the workpiece. Tungsten copper can be ground using conventional grinding techniques and tools, such as diamond or silicon carbide grinding wheels. However, due to its high hardness, it is essential to use appropriate grinding parameters and coolant to minimize wheel wear and prevent workpiece damage.

4. Electrical Discharge Machining (EDM): EDM is a non-contact machining process that uses electrical discharges to remove material from the workpiece. Due to its high electrical conductivity, tungsten copper is well-suited for EDM. This process is particularly useful for machining complex shapes and intricate details that would be difficult or impossible to achieve using conventional machining techniques.

Tips for Optimizing Tungsten Copper Machinability

To achieve the best results when machining tungsten copper, consider the following tips:

1. Use appropriate cutting tools: Due to its high hardness, tungsten copper can cause rapid tool wear. It is essential to use high-quality cutting tools, such as carbide or diamond-tipped tools, to minimize wear and achieve the best results.

2. Maintain optimal cutting parameters: The cutting speed, feed

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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