Method for shaping a blank, and cooling device for a blank

B - Operations – Transporting – 21 – D

Patent

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B21D 22/02 (2006.01) B21D 35/00 (2006.01) B21D 37/16 (2006.01) B21J 1/06 (2006.01) B30B 15/34 (2006.01) C21D 1/673 (2006.01) C21D 9/46 (2006.01)

Patent

CA 2679432

When shaping a metal blank (P), the blank (P) is heated to a predetermined temperature, is then cooled using a cooling device (10), and is subsequently placed in a press and is shaped. According to the invention, at least one plate surface, and particularly both plate surfaces, of the blank (P) is/are brought in direct contact with a cooling element (16, 19) in the cooling device (10), and the blank is clamped especially between said cooling elements (16, 19). A corresponding cooling device for a metal blank (P) comprises a first cooling element (16) and a second cooling element (19) which are adjustable relative to each other and between which the blank (P) can be clamped.

Le procédé pour façonner une ébauche métallique (P) consiste à chauffer l'ébauche (P) à une température prédéfinie, à la refroidir au moyen d'un dispositif de refroidissement (10), puis à l'introduire dans une presse et à la façonner. Selon la présente invention, l'ébauche (P) est amenée dans le dispositif de refroidissement (10) au moins sur une de ses surfaces de plaque, notamment sur ses deux surfaces de plaque, en contact direct avec un élément de refroidissement (16, 19), et notamment serrée entre les éléments de refroidissement (16, 19). Cette invention concerne aussi un dispositif de refroidissement correspondant pour une ébauche métallique (P), lequel dispositif comprend un premier élément de refroidissement (16) et un second élément de refroidissement (19) qui peuvent être réglés l'un par rapport à l'autre et entre lesquels l'ébauche (P) peut être serrée.

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