Internal charging

In painting technology, the term "internal charging" refers to an electrostatic painting process in which the workpieces to be painted are charged from the inside. This technique is often used in industrial painting systems to achieve an efficient and even coating of workpieces with complex geometries.

With internal charging, the workpieces to be painted are placed in a paint booth or a paint tunnel containing an electrostatic spray gun. In contrast to external charging, with internal charging the charge is transferred directly to the workpieces to be painted, while the paint particles retain a neutral charge. The electrostatically charged workpieces attract the paint particles as soon as they emerge from the spray gun, which leads to an even distribution of the paint on the inner surface of the workpieces. This enables efficient coating, even in hard-to-reach areas such as cavities, corners and recesses.

An important advantage of internal charging in painting technology is its ability to achieve a high-quality and uniform coating on workpieces with complex geometries. Electrostatic attraction allows the paint particles to reach even areas that are difficult to reach with conventional painting processes, resulting in improved surface quality. In addition, internal charging enables efficient use of the paint material and reduces overspray compared to conventional spraying processes. This not only contributes to lower painting costs, but also to a reduction in material consumption and the environmental impact of excess paint mist.

Overall, internal charging in painting technology is a proven process for achieving high-quality and uniform painting results on a variety of workpieces with complex geometries. Its efficiency, precision and adaptability make it a popular choice in industrial painting, where a high-quality surface coating is crucial.