Extrusion die

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 11/055 (2006.01) B22D 11/059 (2006.01)

Patent

CA 2667402

The invention is directed to a continuous casting mold with mold plates which enclose the casting cross section and in which cooling channels extend, the mold plates being connected to a water box by means of screw elements, and the screw elements are formed by fastening bolts with a threaded shank which can be screwed into fastening threads in the mold plate. In order to achieve a uniform cooling in a continuous casting mold of the type mentioned above, the fastening threads are arranged such that their center longitudinal axes extend between two adjacent coolant channels in each instance, the diameter of each threaded bore hole is greater than the distance between two adjacent cooling channels, and the bore holes for the fastening threads end at a distance from the floor of the cooling channels so as to define the screw-in depth of the fastening bolts.

L'invention concerne une lingotière de coulée continue équipée de plaques de lingotière entourant la section de coulée, dans lesquelles s'étendent des canaux de refroidissement. Les plaques de lingotière sont reliées à un réservoir d'eau par des éléments de vissage, et les éléments de vissage sont constitués de boulons de fixation ayant une tige filetée qui peut être vissée dans le filetage de fixation de la plaque de lingotière. Afin d'obtenir un refroidissement uniforme pour une telle lingotière de coulée continue, les filetages de fixation sont disposés avec leurs axes médians longitudinaux s'étendant respectivement entre deux canaux de refroidissement voisins, le diamètre de chaque trou fileté étant supérieur à la distance entre deux canaux de refroidissement se trouvant côte à côte, et les trous pour les filetages de fixation se terminant à distance du fond des canaux de refroidissement, limitant ainsi la profondeur de vissage des boulons de fixation.

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