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    • 2. 发明申请
    • LOW-HEAD FEEDING SYSTEM FOR THIN SECTION CASTING
    • 薄型铸件的低头进给系统
    • WO1990000455A2
    • 1990-01-25
    • PCT/US1989002982
    • 1989-07-11
    • USX ENGINEERS AND CONSULTANTS, INC.LEWIS, Thomas, WilliamOZGU, Mustafa, RagipPADFIELD, Ralph, Charles
    • USX ENGINEERS AND CONSULTANTS, INC.DANIEL, Sabah, SalmanHENSLER, James, MichaelMcDERMOTT, John, FrancisVASSILICOS, Achilles
    • B22D11/06
    • B22D11/064
    • A feed system (10) is provided for conveying molten metal (14) to a thin section caster having mold surfaces (16, 18) moving exclusively in the direction of casting. The feed system (10) has a passage (110) of circular cross section adjacent to one end thereof for receiving molten metal (14) and a rectangular cross section at the delivery end thereof adjacent to the caster. The feed system (10) is designed for supplying molten metal (14) to the caster at low pressure for ''closed-pool'' type caster operation. The point of highest elevation in the metal flow passage (110) of the feed system (10) is on the upper surface (111) of a transition portion (64) where the cross section changes from circular (118) to rectangular (120) adjacent to the nozzle. The level or height of the high point above the centerline (114) of the nozzle exit is selected so as to be less than the pressure of the metal measured in inches at the nozzle exit. This feature enables the maintenance of positive pressure in the metal within the feed system (10) so that ingress of air into the metal is prevented.
    • 已经开发了用于将熔融金属(14)输送到具有仅在浇注方向上移动的模制表面(16,18)的薄型颜色的供给系统(10)。 供应系统(10)包括圆形横截面的通道(110),其邻近其一端用于接收熔融金属(14)并且在其端部具有矩形横截面。 带来与颜色相邻。 供应系统(10)适于供应具有闭合流动通道型颜色的熔融金属(14)。 进料系统(10)的金属流动通道(110)中的最高点位于过渡部分(64)的上表面(111)上,横截面通过 从喷嘴附近的圆形(118)到矩形(120)。 喷嘴出口的中央喷嘴(114)上方的高点的高度或高度被选择为小于以喷嘴方式以英寸测量的金属的压力。 该特征允许维持上浆系统(10)内金属的正压,以防止空气进入金属。