CNC Copper machined parts have good machinability and ductility
Copper machined parts have good machinability, ductility and impact strength, and good formability in hot and cold working. In addition, CNC machined copper parts are compatible with a variety of cost-effective surface treatment technologies.
In a wide range of industries, CNC machining is the main process used to produce copper parts.
- Electrical and Electronics: Copper is an excellent conductor of electricity, making it widely used in electrical and electronic components. CNC copper parts are used in circuit boards, connectors, terminals, bus bars, switches, and electrical contacts.
- Heat Exchangers: Copper's high thermal conductivity makes it ideal for heat exchangers used in HVAC systems, refrigeration units, and industrial machinery. CNC-machined copper parts can be found in heat sinks, radiator fins, and tubing.
- Automotive and Transportation: Copper parts are used in various automotive components, such as radiators, fuel systems, braking systems, and electrical connectors. CNC-machined copper parts can also be found in the aerospace industry for applications like fuel nozzles and hydraulic systems.
CNC (Computer Numerical Control) machining is a popular method for the production of parts made of copper. It is a versatile metal and a good conductor of electricity.
By utilizing CNC machining, complex copper parts with intricate geometries can be accurately and efficiently produced. It allows for high precision, repeatability, and the ability to create customized designs according to specific requirements.
When it comes to the production of CNC machined copper parts, the process will typically involve the following steps:
- Design: Create a detailed 3D model of the desired copper part using CAD (Computer-Aided Design) software. This model will serve as the basis for the CNC machining process.
- Material Selection: Choose the appropriate type of copper for your specific application. Copper is commonly used due to their excellent machinability and desirable properties.
- CNC Programming: Convert the 3D CAD model into CNC machine instructions. This programming step involves specifying the tool paths, cutting depths, speeds, and feeds required to shape the copper part accurately.
- Machine Setup: Prepare the CNC machine for the machining process. This includes installing the appropriate cutting tools, securing the copper material, and setting up the necessary machine parameters.
- Machining: The CNC machine uses computer-controlled movements to remove material from the copper workpiece according to the programmed instructions. This process typically involves milling, drilling, and turning operations.
- Finishing: After the initial machining is complete, additional finishing operations may be required to achieve the desired surface finish. This can include processes like polishing, deburring, or applying protective coatings.
- Inspection: Inspect the finished copper parts to ensure they meet the required specifications and quality standards. This step may involve dimensional measurements, visual inspection, or other testing methods.
Grade | Specification(mm) | State | Hardness(HB) | Tensile strength (N/mm~2) | Elongation(%) | Volume resistivity20℃ (Ωmm2/m) | Reference standard |
Thickness | width |
Cu-ETP CW004A Cu-OF CW008A | Customized | Customized | H035 | 35-65 | / | / | ≤0.017241 | DIN-EN 13601 |
H065 | 65-90 | / | / | ≤0.01777 |
R230 | / | ≥230 | ≥10 |
CuAg0.04 CW011A CuAg0.07 CW012A CuAg0.10 CW013A | Customized | Customized | H035 | 35-65 | / | / | ≤0.017241 |
H065 | 65-90 | / | / | ≤0.01777 |
R230 | / | ≥230 | ≥10 |
Precision of piece: | General purpose or customized |
Package: | General purpose or customized |
Quality standard: | DIN, ASTM, GOST, GB, JIS, ANSI, BS; |
Drawing format: | JPEG,PDF,AI,PSD,DWG,DXF,IGS,STEP; |
Products certification: | ISO9001:2008, CE, RoHS, SGS; |
Dimension: | Customizable |

About us:
Jiangyin Electric Alloy Co., Ltd., formerly known as Jiangyin Electric Alloy Factory, was established on June 12, 1985. It is mainly engaged in the research and development, production, and sales of high-speed rail supporting products. Its main products are copper alloy deep processing products, including railway contact wires, railway load-bearing cables, copper alloy busbars, and other copper components.
Since its establishment, the company has been committed to providing customers with high-quality copper alloy products and services with advanced management systems, strong research and development capabilities, excellent product quality, and comprehensive services.
It has successively cooperated with railway bureaus under the Ministry of Railways, such as Shanghai, Guangzhou, Beijing, Zhengzhou, Chengdu, and other railway bureaus; Locomotive and motor production enterprises of the Ministry of Railways, such as CRRC and national motor and electrical appliance production enterprises, as well as well-known domestic and international enterprises such as Xiangtan Electric, Dongfang Electric, Schneider Electric, Siemens, ABB, GE, etc., have established strategic cooperative relationships and become a licensed supplier of copper and copper alloy stranded wire and contact wire for the China Railway Group Electric Gasification Bureau.


Up to now, Jiangyin Electric Alloy Co., Ltd. has obtained a series of certifications covering ISO9001/IATF16949 quality management, ISO14001 environmental ,management system certification, ISO45001 occupational health and safety management system, China CCC, PCCC,CRCC, CE etc.
Rich design experience in manufacturing, mature reliable production processes, provide the satisfactory products for our customers, has made our business across both at home and abroad.
In the future, the company will actively further expand its business in the field of copper alloy applications and gradually establish long-term and stable cooperative relationships with well-known international and domestic manufacturers.
Support and Services:
We provide technical support and services for copper contact wire, including:
- Providing technical support for the installation and use of copper contact wire.
- Troubleshooting and resolving any technical issues with copper contact wire.
- Providing technical advice on the maintenance of copper contact wire.
- Providing guidance on the selection of copper contact wire.
Packing and Shipping:
Packaging and Shipping:
- Copper contact wire is packaged in high-quality materials to ensure it is delivered to the customer in good condition.
- The copper contact wire is shipped by air or sea according to customer's requirements.
- We offer tracking number once the copper contact wire is shipped.