Semimolten or semisolid molding method and molding apparatus

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 17/22 (2006.01) B22C 9/06 (2006.01) B22D 17/00 (2006.01)

Patent

CA 2727967

The invention provides a semimolten or semisolid molding method and a molding apparatus that can prevent misruns, air inclusions, and cold shuts during molding. The semimolten or semisolid molding method is a method of casting a molded article (50), which comprises a flat plate portion (52) and a projected portion (51) that projects from one surface of the flat plate portion (52), with a semimolten or semisolid metal. The molding method comprises the step of: filling a cavity (13), which is a casting space of the molded article (50) formed inside a forming mold (2), with the semimolten or semisolid metal in plate thickness directions of the flat plate portion (52) starting from an other surface on the opposite side of the flat plate portion (52) to a one surface wherefrom the projected portion (51) projects.

L'invention concerne un procédé et un appareil de moulage à l'état semi-fondu ou semi-solidifié, capables d'empêcher l'occurrence de défauts de remplissage, d'inclusions d'air ou de reprises de coulée. Le procédé de moulage à l'état semi-fondu ou semi-solidifié est utilisé pour couler un produit moulé (50) doté d'une partie (52) en plaque plate et d'une partie saillante (51) qui dépasse d'une surface de la partie (52) en plaque plate en utilisant un métal à l'état semi-fondu ou semi-solidifié. Dans le procédé de moulage, une cavité (13) constituant l'espace de coulée du produit moulé (50) formé à l'intérieur d'une coquille (2) de moulage, est rempli à l'aide du métal semi-fondu ou semi-solidifié dans la direction de l'épaisseur de la partie (52) en plaque plate à partir de l'autre surface de la partie (52) en plaque plate située du côté opposé à la surface d'où dépasse la partie saillante (51).

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