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Top 5 Tips for Efficient Tellurium Copper Machining

Tellurium copper, also known as Copper 145 or C145, is a popular choice for various machining applications due to its excellent machinability, good electrical conductivity, and corrosion resistance. This high-performance alloy is widely used in the automotive, electrical, and aerospace industries. In this blog post, we will share our top 5 tips for efficient tellurium copper machining to help you achieve the best results.

1. Select the Right Cutting Tools

Choosing the right cutting tools is crucial for successful tellurium copper machining. Carbide tools are highly recommended due to their ability to withstand high cutting speeds and temperatures. High-speed steel (HSS) tools can also be used, but they may wear out faster. When selecting cutting tools, consider the following factors:

Tool geometry: Opt for tools with a positive rake angle and sharp cutting edges to minimize cutting forces and reduce the risk of workpiece deformation.

Tool coatings: Use coated tools, such as those with titanium nitride (TiN) or titanium carbonitride (TiCN) coatings, to extend tool life and improve performance.

2. Optimize Cutting Parameters

Proper cutting parameters are essential for efficient tellurium copper machining. Here are some guidelines to follow:

Cutting speed: Use high cutting speeds to take advantage of tellurium copper's excellent machinability. A range of 300 to 600 surface feet per minute (SFM) is recommended for most operations.

Feed rate: Maintain a moderate feed rate to ensure smooth chip formation and prevent tool deflection. A feed rate of 0.002 to 0.006 inches per revolution (IPR) is typically suitable for turning and milling operations.

Depth of cut: Adjust the depth of cut based on the tool's capabilities and the desired surface finish. A shallow depth of cut can help reduce cutting forces and minimize the risk of chatter.

3. Use Appropriate Coolants and Lubricants

Tellurium copper generates heat during machining, which can cause tool wear and affect the workpiece's surface finish. Using appropriate coolants and lubricants can help dissipate heat, reduce friction, and prolong tool life. For most tellurium copper machining operations, a water-soluble coolant or a sulfurized oil-based lubricant is recommended.

4. Implement Proper Chip Control

Effective chip control is essential for maintaining a clean and safe work environment and preventing damage to the workpiece. Use chip breakers and tool geometries that promote efficient chip evacuation. Regularly inspect and clean the work area to ensure that chips do not accumulate and cause problems.

5. Monitor Tool Wear and Perform Regular Maintenance

Regularly inspect your cutting tools for signs of wear, such as chipping, built-up edge, or flank wear. Replace worn tools promptly to maintain optimal cutting performance and prevent damage to the workpiece. Additionally, perform regular maintenance on your machining equipment to ensure accurate and consistent results.

By following these top 5 tips for efficient tellurium copper machining, you can achieve high-quality results and extend the life of your cutting tools. Whether you're an experienced machinist or new to working with this versatile alloy, these best practices will help you maximize your productivity and success in your machining projects.

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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