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    • 5. 发明申请
    • Direct casting utilizing stack filtration
    • 直接铸造利用堆叠过滤
    • US20070022841A1
    • 2007-02-01
    • US11359032
    • 2006-02-21
    • Thomas TodaroDavid WarrenDavid LazorKarl SchwenkMichael Kohler
    • Thomas TodaroDavid WarrenDavid LazorKarl SchwenkMichael Kohler
    • C22B9/02
    • C22B9/023B22D43/004Y02P10/234
    • A casting system includes a filtration assembly including a filter vessel housing spaced filters pre-heated to a temperature approximating a pouring temperature of molten material to be filtered to prevent breakage of the filter due to thermal shock from contact with the molten material. Preferably, an induction coil is used to inductively heat a susceptor adjacent the filter vessel or inductively heat filters which themselves serve as susceptors. Typically, the filter vessel is disposed below a pouring vessel and above a mold, pour cup and any sprue system used and is heated independently from the same. The filters are heated during pouring to facilitate flow of the molten material therethrough whereby very fine filters may be used. Spacing of the filters enhances flow control and allows a head of molten material to form whereby dross floats to the top of the head to prevent its entry into the mold.
    • 浇铸系统包括过滤组件,该过滤组件包括过滤器容器,该过滤器容纳间隔开的过滤器,该过滤器预热到接近要过滤的熔融材料的浇注温度的温度,以防止由于热冲击而与熔融材料接触而使过滤器破裂。 优选地,感应线圈用于感应加热邻近过滤容器的感受器或感应加热本身用作基座的过滤器。 通常,过滤容器设置在浇注容器的下方和模具上方,倒杯和任何使用的浇道系统并且独立于其加热。 在浇注过程中加热过滤器以促进熔融材料流过其中,从而可以使用非常精细的过滤器。 过滤器的间距增强了流量控制,并允许形成熔融材料的头部,从而浮渣浮于头部顶部以防止其进入模具。