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Maximizing Efficiency: A Comprehensive Guide to C101 Copper Machinability Rating

Copper is a highly sought-after metal in various industries due to its excellent electrical and thermal conductivity, corrosion resistance, and malleability. Among the different copper grades, C101, also known as Oxygen-Free Electronic (OFE) copper, is considered the purest form of copper. In this blog post, we will delve into the machinability rating of C101 copper and explore ways to optimize its machining process for increased efficiency and productivity.

Understanding C101 Copper

C101 copper is 99.99% pure copper, making it an ideal choice for applications that demand high electrical and thermal conductivity. It is widely used in industries such as electronics, telecommunications, and power generation. The absence of oxygen in C101 copper results in a metal that is highly resistant to hydrogen embrittlement and has excellent soldering and brazing capabilities.

Machinability Rating of C101 Copper

The machinability rating of a metal is a measure of how easy it is to machine or work with the material. It is expressed as a percentage, with 100% representing the easiest material to machine. C101 copper has a machinability rating of 20%, which is relatively low compared to other metals such as brass or aluminum.

The low machinability rating of C101 copper is primarily due to its high ductility, which can cause the metal to stick to cutting tools and result in poor surface finishes. However, with proper techniques and tooling, it is possible to achieve excellent results when machining C101 copper.

Tips for Machining C101 Copper

1. Use sharp, high-quality cutting tools: Dull or low-quality cutting tools can exacerbate the challenges of machining C101 copper. Invest in high-quality, sharp cutting tools specifically designed for non-ferrous metals to minimize sticking and improve surface finishes.

2. Opt for coated tools: Coated cutting tools, such as those with a diamond-like carbon (DLC) or titanium nitride (TiN) coating, can help reduce the sticking of copper to the tool and extend tool life.

3. Employ proper cutting speeds and feeds: Adjusting cutting speeds and feeds can significantly impact the machinability of C101 copper. Experiment with different speeds and feeds to find the optimal settings for your specific machining process.

4. Use lubricants or coolants: Applying lubricants or coolants during the machining process can help reduce heat buildup, prevent sticking, and improve surface finishes.

5. Consider chip control techniques: Implementing chip control techniques, such as chip breakers or high-pressure coolant systems, can help prevent long, stringy chips that can interfere with the machining process.

6. Perform regular tool maintenance: Regularly inspect and maintain cutting tools to ensure they remain sharp and in good condition. This will help reduce downtime and improve overall machining efficiency.

By following these tips and understanding the machinability rating of C101 copper, manufacturers can optimize their machining processes and produce high-quality, precise components. With proper techniques and tooling, C101 copper can be successfully machined to meet the demands of various industries and applications.

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

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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

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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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