Tailored blank article and manufacturing method of the same

Details Tailored blank article and manufacturing method of the same Tailored blank article and manufacturing method of the same

B - Operations, Transporting

62

D

B62D 25/08 (2006.01) B23K 11/06 (2006.01) B23K 26/24 (2006.01) B23K 33/00 (2006.01) B62D 25/14 (2006.01) B62D 27/02 (2006.01)

Patent

CA 2389946

A tailored blank article and a manufacturing method thereof, which is used for partitioning an inside and an outside such as a dashboard panel for partitioning an engine room of a car body and the inside of a car room. A thick plate blank and a thin plate blank are joined by a mash-seam welding or a laser welding, and are subjected to a pressing. Thereby, the thin plate blank is bent until an inner surface of the thin plate blank is made flush or almost flush with an inner surface of the thick plate blank, subsequently, a connection part having a portion connected over a welding portion is connected to at least one of an outer surface and the inner surface of the tailored blank article comprising the thick plate blank and the thin plate blank, and then an entire tailored article including the connection part is coated. The connection of the connection part to the tailored blank article, which is performed before the coating, is performed with a portion which corresponds to a welding portion of the connection part spaced from the welding portion, to thereby form a coating film securely onto the welding portion.

L'invention porte sur une ébauche personnalisée servant à partager un espace en une partie intérieure et une partie extérieure, telle que le tableau de bord d'un véhicule séparant le compartiment moteur de l'habitacle, et sur son procédé de fabrication. Ledit procédé comporte les étapes suivantes: emboutissage d'une ébauche plane épaisse et d'une ébauche plane minces soudées par écrasement ou au laser; cintrage de l'ébauche mince jusqu'à ce que sa surface intérieure vienne à fleur ou sensiblement à fleur de la surface intérieure de l'ébauche épaisse; fixation d'un élément de liaison dont une partie traverse une partie soudée d'une surface intérieure ou extérieure de l'ébauche personnalisée faite de l'ébauche mince et de l'ébauche épaisse; et peinture de la totalité de la surface de l'ébauche personnalisée y compris les éléments de liaison. La fixation des éléments de liaison montées avant la peinture se fait avec une partie du produit correspondant à la partie soudée de l'élément de liaison séparée de la partie soudée, ce qui permet la formation efficace d'un revêtement sur la partie soudée.

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