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Machining Chromium Zirconium Copper: Tips and Techniques for Optimal Performance

Chromium Zirconium Copper, a high-performance copper alloy, is widely used in various industries due to its excellent mechanical and electrical properties. In this blog post, we will discuss the machinability of Chromium Zirconium Copper and provide valuable tips and techniques to ensure optimal performance when working with this versatile material.

Introduction to Chromium Zirconium Copper

Chromium Zirconium Copper (CuCr1Zr) is an alloy that combines the benefits of high conductivity copper with the exceptional strength and resistance to softening at elevated temperatures. This unique combination makes it an ideal material for applications such as electrical contacts, resistance welding electrodes, and other high-stress components.

Machinability of Chromium Zirconium Copper

Machining Chromium Zirconium Copper can be challenging due to its high strength and hardness. However, with the right tools and techniques, it is possible to achieve excellent results. Here are some tips to help you get started:


1. Tool Selection

Selecting the appropriate cutting tools is crucial for successful machining of Chromium Zirconium Copper. Carbide tools are recommended due to their ability to withstand high cutting forces and heat generated during the machining process. High-speed steel tools can also be used, but they may require more frequent sharpening.


2. Cutting Speeds and Feeds

Optimal cutting speeds and feeds depend on various factors such as the type of operation, tool material, and workpiece geometry. As a general guideline, slower cutting speeds and higher feed rates are recommended for Chromium Zirconium Copper compared to pure copper.


3. Lubrication and Cooling

Proper lubrication and cooling are essential to prevent tool wear and ensure a quality surface finish. A suitable cutting fluid should be used to minimize friction and heat generation during machining. In addition, a continuous flow of coolant should be directed at the cutting zone to dissipate heat and flush away chips.


4. Chip Control

Chromium Zirconium Copper tends to produce long, stringy chips that can wrap around the tool and workpiece, causing damage and affecting the surface finish. To prevent this, use chip-breaking tools and regularly clear chips from the work area.


5. Work-Holding

Due to the high cutting forces involved in machining Chromium Zirconium Copper, a rigid work-holding setup is crucial. Ensure that the workpiece is securely clamped and supported to minimize vibration and prevent movement during machining.


Machining Chromium Zirconium Copper can be challenging, but with the right tools, techniques, and attention to detail, it is possible to achieve excellent results. By following the tips provided in this blog post, you can optimize your machining process and produce high-quality components for your 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

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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