Copper alloy sheets offer a combination of excellent electrical conductivity, thermal conductivity, corrosion resistance, and aesthetic appeal, making them highly sought after in sheet metal processing. However, their unique properties also require specific processing techniques to achieve the desired results.

　　One of the primary processing methods for copper alloy sheets is cutting. Precision cutting is essential to obtain the desired shape and size of the sheet metal parts. Laser cutting is a popular choice for copper alloy sheets due to its high accuracy and ability to cut complex shapes without causing significant heat-affected zones. The laser beam melts and vaporizes the copper alloy material, allowing for clean and precise cuts. Waterjet cutting is another option, especially for thicker copper alloy sheets. It uses a high-pressure stream of water mixed with abrasive particles to cut through the material, minimizing the risk of thermal distortion.

　　Bending is another crucial process in copper alloy sheet metal processing. Copper alloys have good ductility, which enables them to be bent into various shapes. However, due to their relatively soft nature, proper tooling and bending techniques are required to prevent surface scratches and deformation. Press brakes are commonly used for bending copper alloy sheets. The operator needs to select the appropriate bending dies and set the correct bending angle and force based on the thickness and type of the copper alloy sheet. In some cases, preheating the sheet can improve its formability and reduce the risk of cracking during bending.

　　Stamping is also widely applied in the processing of copper alloy sheets. Stamping involves using a punch and die set to form the sheet metal into the desired shape. This process is highly efficient for mass production of copper alloy components, such as electrical connectors, heat sinks, and decorative parts. The design of the punch and die must be carefully optimized to ensure accurate forming and minimize material waste. Additionally, annealing treatment may be required before or after stamping to improve the material's formability and relieve internal stresses.

　　Surface finishing is an important aspect of copper alloy sheet metal processing. To enhance the corrosion resistance and aesthetic appearance of copper alloy parts, various surface finishing techniques can be used, such as electroplating, anodizing, and chemical polishing. Electroplating can deposit a protective layer of other metals, such as nickel or chromium, on the surface of the copper alloy, improving its resistance to oxidation and wear. Anodizing can create a durable oxide layer on the surface, providing both protection and a decorative finish.