B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/14 (2006.01) B22D 11/04 (2006.01) B22D 11/128 (2006.01)
Patent
CA 2182023
The invention is directed to a continuous casting mold for producing strands in the form of slabs, thin slabs, blooms, and billets resulting in a central running of the strand in the entire strand guide and in highly reliable casting at casting speeds of up to 6m/min. As a result of the cambered, concave shape of the mold and entire strand guide, the strand is guided coaxially to the entire strand guide from the cast surface until the strand exits at the delivery end of the continuous casting machine so that sideways movement of the entire strand in the direction of one of the narrow sides (snaking) is suppressed. This symmetrical running of the strand shell box to the mold and of the rest of the strand to the strand roll-guide results in a uniform symmetrical formation of the strand shell and its temperature field (isotherms), the withdrawal forces, and the loading of the strand shell in the region of the mold and the rest of the strand guide while at the same time ensuring that the strand runs centrally with reference to the center axis in the direction of the strand axes. These unexpected effects of the invention are essential prerequisites for the reliability of the casting process and for directly linked operation steps and process steps such as the transporting of strands and the direct rolling thereof.
L'invention concerne une installation de coulée continue servant à produire du métal coulé en continu se présentant sous forme de brames, de brames minces, de blooms et de billettes. Cette installation permet au métal coulé de passer de manière centrée dans l'ensemble du guide. Cette installation permet en outre d'atteindre une grande fiabilité de coulée à des vitesses de coulée allant jusqu'à 6 m/mn. Grâce à la forme concave bombée de la coquille et de l'ensemble du guide, le métal coulé est guidé coaxialement à l'ensemble du guide, du ménisque, jusqu'à sa sortie, à l'extrémité de la machine de coulée continue, ce qui élimine le risque que l'ensemble du métal coulé ne se déplace latéralement dans une des directions des petits côtés (mouvement oscillant).
Fetherstonhaugh & Co.
Mannesmann Ag
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