B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 7/06 (2006.01) B22D 7/00 (2006.01) B22D 11/01 (2006.01) B22D 11/05 (2006.01) B22D 11/16 (2006.01)
Patent
CA 2146078
Abstract Programme-controllable electromagnetic continuous casting mould for producing con- tinuously cast ingots of various dimensions, featuring a dummy base of fixed dimensions that can be lowered and a mould frame having a pair of facing, stationary side walls and a pair of facing end walls the distance between which can be varied in a controlled manner; the side walls and the end walls together form the mould opening, and each of the walls comprises an inductor part with inductor coil and a screen. The mould frame exhibits at least one end wall that is displaceably mounted on the adjacent side walls, the inductor coils and the screens of the individual walls being connected to closed loops via flexible electrical conductors. The position of the displaceable end walls can be determined at any point in time and the positioning of each end wall takes place by means of a drive regulated by a control unit, whereby during the casting process the distance between the end walls is regulated in conjunction with the rate of lowering the dummy base by programme control, this in such a manner that the cross-sectional dimensions of the resultant metal column change con- inuously or in a series of steps until the dimensions of the desired ingot are reached. (Figure 1)
Berclaz Georges
Carrupt Bertrand
Alusuisse Technology & Management Ltd.
Swabey Ogilvy Renault
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