Die casting sprue system

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 17/20 (2006.01) B22D 17/00 (2006.01) B22D 17/22 (2006.01) B22D 21/04 (2006.01)

Patent

CA 2410616

A sprue system, for use in a pressure casting machine, such as a machine for hot chamber die casting, or for producing castings from thixotropic alloy, or a cold chamber die casting machine, which includes a plurality of sprue dies which form a sprue housing, or bush, through which a sprue region extends longitudinally between inlet and outlet ends of the housing or bush. The sprue dies are relatively movable laterally with respect to the longitudinal extent of the sprue region, between an advanced position in which the sprue dies form the housing or bush and a retracted relative position.

Cette invention a trait à un système de descente de coulée pour machine à couler, comme une machine pour couler en chambre chaude ou pour produire des coulées à partir d'alliage thixotropique, ou comme une machine pour couler en chambre froide, comprenant plusieurs matrices de descente de coulée formant un carter de descente de coulée ou chemise, à travers lequel une zone de descente de coulée s'étend longitudinalement entre les orifices d'entrée et de sortie du carter. Ces matrices de descente de coulée sont relativement mobiles latéralement par rapport à l'étendue longitudinale de la zone de descente de coulée, passant d'une position avancée dans laquelle elles constituent le carter à une position en retrait.

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