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Machining 145 Copper: The Ultimate Guide for Precision and Efficiency

Copper is a versatile and widely used metal, known for its excellent electrical and thermal conductivity, corrosion resistance, and malleability. Among the various copper alloys, 145 copper, also known as tellurium copper or free-machining copper, stands out for its exceptional machinability. In this comprehensive guide, we will delve into the world of machining 145 copper, exploring its properties, applications, and tips for achieving precision and efficiency in your machining projects.

What is 145 Copper?

145 copper is a copper alloy containing small amounts of tellurium (Te), which significantly enhances its machinability. The addition of tellurium creates chip-breaking properties, allowing for faster and more efficient machining processes. As a result, 145 copper is ideal for applications that require intricate machining and high precision.

Properties of 145 Copper

Before diving into the machining process, it's essential to understand the properties of 145 copper that make it so desirable for various applications. These properties include:

1. Excellent Machinability: The primary advantage of 145 copper is its outstanding machinability, which is rated at 90% compared to pure copper. This allows for faster machining speeds, reduced tool wear, and improved surface finishes.

2. Good Electrical and Thermal Conductivity: While not as high as pure copper, 145 copper still offers excellent electrical and thermal conductivity, making it suitable for applications such as electrical connectors and heat sinks.

3. Corrosion Resistance: Like other copper alloys, 145 copper is resistant to corrosion, making it suitable for use in harsh environments and outdoor applications.

4. Non-magnetic and Non-sparking: 145 copper is non-magnetic and non-sparking, making it ideal for use in sensitive electronic equipment and explosive environments.

5. Good Formability: Although not as malleable as pure copper, 145 copper can still be easily formed and shaped, allowing for the creation of complex parts and components.

Applications of 145 Copper

Due to its unique properties, 145 copper is used in a wide range of industries and applications, including:

Electrical connectors and terminals

Heat sinks and heat exchangers

Gaskets and seals

Valve stems and valve components

Fasteners and fittings

Gears and worm drives

Bushings and bearings

Machining 145 Copper: Tips for Precision and Efficiency

Now that we have a better understanding of 145 copper's properties and applications, let's explore some tips and best practices for machining this versatile alloy.

1. Choose the Right Cutting Tools: Due to its excellent machinability, 145 copper can be machined using a variety of cutting tools, including high-speed steel (HSS), carbide, and diamond. However, carbide tools are recommended for their superior wear resistance and ability to maintain a sharp cutting edge.

2. Optimize Cutting Parameters: To achieve the best results when machining 145 copper, it's essential to optimize your cutting parameters, such as spindle speed, feed rate, and depth of cut. In general, higher spindle speeds and feed rates can be used with 145 copper to take advantage of its excellent machinability.

3. Use Appropriate Coolant: While 145 copper can be machined dry, using a coolant can help extend tool life and improve surface finish. A water-soluble coolant is recommended for most machining operations, as it provides excellent heat dissipation and lubrication.

4. Maintain Proper Chip Control: Due to its chip-breaking properties, 145 copper produces small, easily manageable chips. However, it's essential to maintain proper chip control to prevent chip buildup and ensure a smooth machining process. This can be achieved through the use of chip breakers and proper coolant application.

5. Minimize Tool Deflection: Tool deflection can lead to poor surface finish and dimensional inaccuracies when machining 145 copper. To minimize tool deflection, use the shortest tool length possible and ensure that your cutting tools are properly supported.

6. Inspect and Measure Parts Regularly: To ensure precision and accuracy, it's essential to inspect and measure your machined parts regularly. This will help you identify any potential issues and make necessary adjustments to your machining process.

By following these tips and best practices, you can achieve

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.

PARTNERSHIP BRANDS WE ARE SUPPORTING

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

METAL AND PLASTIC CNC MACHINING MATERIALS

CNC Brass Machining

Brass

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

Copper

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

Aluminum

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

Titanium

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

Plastic

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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