Dip immersion
It is intended for pre-treatment of workpieces with many hard-to-reach places with various openings, profiles and blind spots. Due to its excellent corrosion protection in hard-to-reach places, this method of pre-treatment is very common in the automotive industry. Procedure: The baths are filled with a degreasing solution and heated to the appropriate temperature, if necessary. The temperature of the bath depends on the type of degreasing agent and the type of impurities. Adequate mixing and circulation of the solution is ensured in order to maintain a uniform concentration and effectiveness of the degreasing agent. Metal elements are immersed in a degreasing bath. The immersion time depends on the type and degree of impurities, as well as on the concentration and temperature of the degreasing agent. During diving, mechanical systems can be used to slightly move or rotate metal elements to ensure uniform degreasing of all surfaces. After immersion in a degreasing bath, the metal elements are immersed in a rinsing bath with water. Rinsing removes the remnants of the degreasing agent and dissolved impurities. A multi-stage rinse can be used, gradually moving the elements through several baths with increasingly clean water to ensure the complete removal of all residues. After rinsing, the metal elements are removed from the rinsing baths and dried. Drying can be carried out with compressed air, in drying chambers or by other methods. It is necessary to make sure that the elements are completely dry before further processing, as the remaining moisture can affect the adhesion and quality of the paint. |
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