Qingguo Intelligent is a leading China automotive electrophoresis equipment manufacturer. Automotive electrophoresis equipment is a crucial part of the automotive manufacturing process, mainly used for surface coating treatment of automotive metal parts.
Automotive electrophoresis equipment is a complete coating production line, mainly including electrophoresis tank, ultrafiltration system, heat exchange system, anode system, and supporting pre-treatment, cleaning, drying and other equipment. These devices work together to ensure that the surface of automotive metal parts can be uniformly and efficiently coated with an electrophoretic paint film.
Electrophoresis tank:
The electrophoresis tank is the core equipment for electrophoretic coating, which contains electrophoretic paint solution inside. Under the action of an electric field, charged pigment particles deposit on the surface of metal components to form a coating. The design of electrophoresis tank needs to consider factors such as tank liquid circulation and temperature control to ensure coating quality.
Ultrafiltration system:
Ultrafiltration system is used to process electrophoresis tank solution. Through the pore size selective filtration of ultrafiltration membrane, the electrophoresis paint is divided into ultrafiltration solution and concentrated solution. The ultrafiltrate can be reused in the electrophoresis tank or used as vehicle spray water, while the concentrated solution is returned to the electrophoresis tank to maintain the stability of the tank liquid composition.
Heat exchange system:
Due to the generation of heat during electrophoresis, the temperature of the electrophoretic paint increases. The heat exchange system dissipates excess heat through methods such as a cold water exchanger, ensuring that the temperature of the electrophoretic paint is within a controllable range and avoiding aging of the electrophoretic paint or a decrease in coating quality due to excessive temperature.
Anode system:
The anode system includes equipment such as anode plates and rectifiers, which promote the deposition of electrophoretic paint on the surface of metal components through electrochemical reactions. The design of the anode plate needs to consider factors such as material, shape, and layout to ensure the smooth progress of the electrophoresis process.
The process flow of automotive electrophoretic coating usually includes pre-treatment, electrophoretic coating, cleaning, drying and other steps. Pre treatment mainly includes processes such as oil removal, rust removal, phosphating, etc., to remove dirt and oxide layers on the surface of metal parts and improve the adhesion of electrophoretic coating. During the electrophoretic coating process, metal components are immersed in an electrophoretic bath under the action of an electric field, and charged pigment particles deposit on their surface to form a coating. Subsequently, cleaning and drying processes are carried out to remove residual electrophoretic paint and moisture, ensuring the curing quality of the coating.
Efficient and uniform: Automotive electrophoresis equipment can ensure the uniform distribution of electrophoretic paint film on the surface of metal parts, improving coating efficiency and quality.
Environmental protection and energy conservation:
Electrophoretic coatings are mostly water-based coatings with low volatile organic compound (VOC) emissions, which is beneficial for environmental protection. Meanwhile, the energy consumption of electrophoretic coating process is relatively low, which is in line with the development trend of energy conservation and emission reduction.
High degree of automation:
The automotive electrophoresis production line is highly automated, reducing manual intervention and labor intensity, and improving production efficiency and product quality consistency.
The automotive electrophoresis equipment is an indispensable part of the automotive manufacturing process, which provides a uniform, dense, and corrosion-resistant paint film protective layer for automotive metal parts through electrophoretic coating technology. With the advancement of technology and the strengthening of environmental awareness, automotive electrophoresis equipment will continue to develop towards higher efficiency, environmental friendliness, and intelligence.
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