C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 13/22 (2006.01) B05C 3/10 (2006.01) B65G 49/02 (2006.01)
Patent
CA 2523210
A method for the electrodeposition painting of substrates (2) in a thoughflow system (1) according to figure (1), comprising an electrodeposition paint basin (1.1) and overflow basin (1.2), circulating pumps (1.3) and (1.5), flow pipes (1.8), a directed basin flow (1.9) flowing in the region of the basin bottom (1.6) in the transport device and counter to the direction of transport of the substrates (2) in the region of the surface of the bath (1.10), in addition to a conveyor device (1.11) provided with devices for transporting, rotating, immersing and removing the substates (2), wherein the substrates(2) are disposed in the form of a cathode or anode and are supplied to the immersion area (1.12) of the electrodeposition paint bath (1.11) via the overflow basin (1.2) with the aid of the conveyor device (1.11), whereupon they are rotated at an angle of > 100~ in relation to the original position thereof during immersion in the electrodeposition paint basin (1.1), whereupon they are transported through the electrodeposition paint basin (1.1) and are coated, whereupon they are rotated back into the original position when they are removed therefrom and are subsequently subjected to further machining.
L'invention concerne un procédé de peinture électrophorétique par immersion de substrats (2) dans un dispositif de passage (1) (fig. 1) composé d'un bac de peinture électrophorétique par immersion (1.1), d'un bac de trop-plein (1.2), de pompes de recirculation (1.3, 1.5), de tuyaux de flux (1.8), d'un système de courant ciblé (1.9) se déplaçant dans le sens de transport des substrats (2) dans le fond du bac (1.6) et contre le sens de transport à la surface du bain (1.10), et d'un système de transport (1.11) comportant des éléments de transport, de rotation, d'immersion, et d'émersion des substrats (2). Selon l'invention, les substrats (2) sont montés en tant qu'anode ou cathode et amenés au-delà du bac de trop-plein (1.2), vers le zone d'immersion (1.12) du bac de peinture électrophorétique par immersion (1.1), au moyen du système de transport (1.11), tournés d'un angle supérieur à 100· par rapport à la position initiale lors de l'immersion dans le bac de peinture électrophorétique par immersion (1.1), transportés au travers dudit bac (1.1) et revêtus, puis ramenés en position initiale lors de l'émersion et amenés vers un traitement ultérieur.
Cramer Edwin
Hartung Michael
Kreienbaum Thomas
Schulte Rolf
Basf Coatings Ag
Robic
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