As an important mechanical component, metal forgings are widely used in various industrial fields. In order to improve the performance and life of metal forgings, surface treatment is particularly important. This paper will introduce the commonly used metal forgings surface treatment technology and related equipment selection, aimed at providing effective solutions to promote the quality of metal forgings.
Surface treatment technology
Electrochemical treatment
Electrochemical treatment is a commonly used metal forgings surface treatment method, mainly divided into anodic oxidation, electrolytic polishing and electroplating. Anodizing improves the wear and corrosion resistance of the metal surface by forming an oxide film on it. Electrolytic polishing makes the metal surface smoother and improves the surface quality through the action of electric current. Electroplating is the process of depositing a layer of metal or alloy on a metal surface to give the surface specific properties, such as corrosion resistance and wear resistance.
Electroless copper plating
Electroless copper plating is a process of depositing copper on the surface of metal forgings, which is mainly used to improve the electrical conductivity and wear resistance of the surface. In the process of electroless copper plating, a layer of copper is deposited uniformly on the metal surface by chemical reaction, which is conducive to improving the properties of metal forgings.
Thermal spray treatment
Thermal spray treatment is a method of forming a coating by spraying a metal or alloy in a molten state onto a metal surface. This method can improve the corrosion resistance, wear resistance and heat insulation properties of metal forgings. Thermal spray treatment can be selected according to the specific needs of different spray materials, such as metals, alloys or ceramics.
Post-processing technology
After the surface treatment of metal forgings is completed, the following post-treatment technologies can be used to further improve the surface quality:
Grinding: Through grinding and polishing and other means, make the surface of the metal forging more smooth, improve the surface flatness.
Cleaning: Use solvents, acid and alkali cleaning agents to remove residual contaminants on the surface to ensure that the surface is clean.
Detection: The surface of the metal forgings after treatment is detected by detection equipment, such as profiler, optical measuring instrument, etc., to evaluate the surface treatment effect.
According to different surface treatment technologies, the selection of suitable equipment plays a key role in improving the production efficiency and quality of metal forgings. The following are recommended for applicable equipment:
Electrochemical treatment equipment: including anodic oxidation tank, electrolytic polishing equipment, electroplating tank, etc. These devices can be customized to suit different metal forgings sizes and shapes.
Electroless copper plating equipment: including copper plating tank, heating device, circulating stirring system, etc. The device can ensure that the chemical reaction is uniform on the metal surface, improving the uniformity and adhesion of the copper coating.
Thermal spraying equipment: including spraying gun, spraying material conveying system, spray cooling system, etc. The equipment can achieve efficient, high-quality metal or alloy spraying, improve the surface performance of metal forgings.
This paper introduces the common surface treatment technology of metal forgings and the selection of related equipment, including electrochemical treatment, electroless copper plating and thermal spraying treatment. Selecting suitable surface treatment technology and equipment is of great significance to improve the quality, performance and life of metal forgings. In the actual production process, the appropriate surface treatment technology and equipment should be selected according to the specific needs and requirements of hardware forgings to achieve the best treatment effect and production efficiency.
