e-coat Tank

Flexible and efficient e-coating system.

Electrophoretic tank is the key part of electrophoretic coating system with the following features and functions:


  • Tank material: the electrophoresis tank is usually made of corrosion-resistant materials such as stainless steel or plastic to withstand the chemical reaction between the coating and the workpiece.
  • Conductivity: The tank must have a certain degree of conductivity, which is usually realized by coating a conductive layer or adding conductive agent in the tank body.
  • Adjustability: The electrophoresis tank can adjust parameters such as electric field strength, liquid circulation and temperature to meet different coating requirements.
  • Closure: The tank body should have good closure to prevent paint leakage and pollution of the environment.

In a word, the electrophoresis tank plays multiple roles in the process of electrophoresis coating, such as carrying the coating, providing electric field, controlling parameters and guaranteeing the quality of coating, which is an important part of realizing high-quality and high-efficiency coating.

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Product Description

In electrophoretic coating, electrophoretic tanks can be categorized according to different classification criteria. The following are the common types of electrophoresis tanks according to different types of classification:

I. Classification according to coating method:

  • Unipolar electrophoresis tank: Only one electrode is set up in the unipolar electrophoresis tank, and the paint particles are charged and deposited on the workpiece to form a coating. This type is commonly used for coating large workpieces.
  • Bipolar electrophoresis tank: Two electrodes are set up in the bipolar electrophoresis tank, usually one electrode is the anode and one electrode is the cathode, so that the paint particles form a coating on the workpiece. This type is widely used for coating small and medium-sized workpieces.

II. Classified according to the way of liquid circulation:

  • Static electrophoresis tank: there is no liquid circulation system in the static electrophoresis tank, and the coating is static in the tank, which is usually used for small and fine coating or special process requirements.
  • Dynamic electrophoresis tank: Dynamic electrophoresis tank has liquid circulation system, and the paint is circulated and supplied to the workpiece by pump to keep the uniformity and stability of the paint. This type is suitable for high volume coating.

These are the common types of electrophoresis tanks, each type has its applicable scenarios and characteristics. Factors such as the size and shape of the workpiece and the nature of the paint during the coating process will affect the selection of electrophoresis tanks.

III. Action:

  • Providing electric field: the electrophoresis tank provides electric field through the built-in electrode system, so that the charged paint particles are uniformly distributed in the tank and move towards the surface of the workpiece.
  • Paint storage and circulation: The electrophoresis tank stores the paint solution and continuously conveys the paint to the surface of the workpiece through a circulation pump to ensure the stability and uniformity of the paint.
  • Filtering and removing impurities: The tank is permanently equipped with a screen or filtering system for removing impurities suspended in the coating to ensure the quality of the coating.
  • Controlling coating thickness: By adjusting the electric field strength and coating concentration, the thickness of the coating can be controlled to meet different requirements.
  • Provide cooling: Cooling system is usually provided in the electrophoresis tank to control the temperature of the surface of the workpiece during the coating process to avoid overheating which may lead to degradation of the coating quality.

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Highly automated: The gantry-type electrodeposition coating line is operated automatically, enabling processes such as automatic coating, automatic conveying and automatic spraying and washing. This reduces manual operations and human errors, improving productivity and consistency.

Uniform coating: The gantry-type electrodeposition coating line enables uniform coating coverage by means of stable motion trajectories and coating devices. This ensures consistent quality and appearance of the coating layer and reduces coating defects.

Large batch processing: gantry-type electrodeposition coating lines often have a large working space and load capacity, allowing multiple workpieces or large workpieces to be processed simultaneously. This increases production capacity and efficiency.

Flexibility: gantry-type electrodeposition coating lines are highly adaptable and can accommodate the coating of workpieces of different shapes, sizes and materials. It can be used for a wide range of shapes such as flat, curved and three-dimensional workpieces, as well as a wide range of materials such as metal, plastic and wood.

Applicable applications:

Automotive manufacturing: The gantry-type electrodeposition coating line is widely used in the automotive manufacturing industry for painting bodywork, parts and frames. It can provide high quality painting results with high efficiency and consistency.

Furniture manufacturing: The gantry-type electrodeposition coating line is used in the furniture manufacturing industry for the coating of sofas, tables and chairs, cabinets, etc. It can achieve uniform painting of furniture surfaces and improve appearance quality and durability.

Metal products painting: The gantry-type electrophoretic coating line can be used for painting metal products, such as doors and windows, guardrails, metal structures, etc. It can provide anti-corrosion and anti-rust coating layer to protect metal products from the environment.

Electronic products: Gantry-type electrophoresis coating line has applications in the manufacture of electronic products, such as the coating of mobile phones, TVs and other housings. It provides an aesthetically pleasing, wear-resistant and corrosion-resistant coating effect.

Architectural decoration: gantry-type electrophoretic coating line can be used in the coating of architectural decoration materials, such as aluminium profiles, door and window frames, etc.. It can provide beautiful and weather-resistant coating effects to meet the needs of architectural decoration.

Product Features

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The gantry-type electrodeposition coating line offers the advantages of high automation, uniform coating, high-volume handling and flexibility. It increases productivity and reduces human error, while ensuring quality and consistency of coating. The gantry-type electrophoresis line is ideal for painting operations that require large scale, high quality painting.

The gantry-type electrodeposition coating line is widely used in industries such as automotive manufacturing, furniture manufacturing, metalwork painting, electronic products and building decoration. It is suitable for painting workpieces of different shapes, sizes and materials, including flat, curved and three-dimensional workpieces, as well as a wide range of materials such as metal, plastic and wood.

Gantry-type electrodeposition coating lines ensure coating quality by providing uniform coating coverage through stable motion trajectories and coating devices. Our equipment is equipped with advanced computer control systems and sensors that are capable of monitoring and adjusting the coating parameters to achieve a precise coating process.

Yes, gantry-type electrodeposition coating lines are flexible and can be designed and adjusted to suit customised needs. We can customise a gantry-type electrodeposition coating line to suit the size, shape and coating requirements of the workpiece to ensure optimum coating results and production efficiency.

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