Continuous casting method, cast member, metal worked...

B - Operations – Transporting – 22 – D

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B22D 11/06 (2006.01) B22D 11/00 (2006.01) B22D 11/124 (2006.01)

Patent

CA 2532421

The continuous casting method causes the final solidification portion to be displaced from the central portion of the cast member to reduce the influence of cast defects which may be generated on a plastic worked article. In a continuous casting method for continuously manufacturing a cast member by driving a plurality of rotational molding members disposed so as to form a casting space, the plurality of rotational molding members are differentiated in temperature. In a preferable embodiment, a portion of one of the rotational molding members which starts to come into contact with molten metal is set to a temperature of [(melting point or liquidus temperature of the metal) x 0.35] or more, and the other of the rotational molding members are cooled.

Le procédé de coulage en continu selon la présente invention assure le déplacement de la partie de solidification finale depuis la partie centrale de l'élément coulé afin de réduire l'influence des défauts de coulage qui peuvent être produits sur un article façonné en plastique. Dans un procédé de coulage en continu utilisé pour produire en continu un élément coulé au moyen de la commande d'une pluralité d'éléments de moulage en rotation disposés de manière à former un espace de coulage, les nombreux éléments de moulage en rotation ont une température différente. Dans une forme de réalisation préférée, une partie d'un des éléments de moulage en rotation qui commence à se trouver en contact avec le métal fondu, est déterminée à une température égale ou supérieure à : [point de fusion ou température dite 'Liquidus'' du métal) x 0,35] et l'autre partie des éléments de moulage en rotation est refroidie.

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