B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/04 (2006.01) B22D 11/053 (2006.01)
Patent
CA 2228904
The oscillating table (1) comprises a movable part (5) on which a mould of a continuous casting machine is located. The movable part is coupled via eccentrics (13) to a driving mechanism for introducing an upward and downward oscillation motion in order to prevent the cast steel from remaining stuck to the wall of the mould. In contradistinction to the known oscillating tables according to the invention the eccentrics (13) are not uniformly driven. To this end the driving mechanism comprises driving means for driving the eccentrics (13) with a non-uniform angular speed. In a preferred embodiment the driving means comprise hydraulic motors (19) provided with a control system (29). The hydraulic motors (19) are electronically synchronised and as a safeguard being coupled to each other by a synchronisation shaft (33). In this way the facility is obtained to operate any lifting and descending motion of the casting mould.
L'invention porte sur une table oscillante à utiliser en particulier dans une machine de coulée continue. Ladite table (1) comprend une partie mobile (5) sur laquelle se trouve un moule. La partie mobile est accouplée par des excentriques (13) à un mécanisme lui imprimant des oscillations verticales afin d'empêcher l'acier moulé d'adhérer aux parois du moule. Contrairement aux tables oscillantes usuelles, les excentriques (13) de l'invention n'ont pas un mouvement uniforme car leur moyen d'entraînement ne les déplace pas à une vitesse angulaire uniforme. Dans un mode de réalisation préféré, lesdits moyens d'entraînement consistent en moteurs hydrauliques (19) munis d'un système de commande (29). Lesdits moteurs (19) sont synchronisés électroniquement et couplés pour des raisons de sécurité à un arbre de synchronisation (33). L'installation peut ainsi communiquer tout type de mouvement ascendant ou descendant au moule.
Gowling Lafleur Henderson Llp
Sidmar N.v.
LandOfFree
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