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    CONTROLLED PRESSURE CASTING
    1.
    发明申请
    CONTROLLED PRESSURE CASTING 有权
    控制压力铸造

    公开(公告)号：US20110012320A1

    公开(公告)日：2011-01-20

    申请号：US12871329

    申请日：2010-08-30

    申请人： Seetarama S. KOTAGIRI ,  Timothy W. SKSZEK ,  Frank A. HORTON ,  Gregory P. KISELIS

    发明人： Seetarama S. KOTAGIRI ,  Timothy W. SKSZEK ,  Frank A. HORTON ,  Gregory P. KISELIS

    IPC分类号： B62D21/03 ,  B62D21/00 ,  B60G3/02 ,  B60R19/03 ,  B60B35/06 ,  B32B15/18 ,  B32B1/08

    CPC分类号： B22D19/16 ,  B60B35/06 ,  B60G3/02 ,  B60G2206/11 ,  B60G2206/60 ,  B60G2206/8101 ,  B60K5/12 ,  B60R19/03 ,  B60R19/34 ,  B62D21/03 ,  B62D21/11 ,  Y10T428/12292 ,  Y10T428/12972

    摘要： A method of forming metal castings, including positioning a first end of a structural member in a first mold cavity and a second end of the structural member in a second mold cavity. The first and second mold cavities being fluidly coupled to a reservoir of molten metal. Applying a main pressure to the molten metal in the reservoir to force the molten metal into the first mold cavity and the second mold cavity. Then, applying a first auxiliary pressure to the first mold cavity and a second auxiliary pressure to the second mold cavity to densify the casting formed in the first mold cavity and the second mold cavity. Also, a method for casting including maintaining a main pressure at or less than an initial, mold-filling pressure after first and second mold cavities have been filled. Additionally, a method for detecting whether a first mold cavity is sufficiently filled with molten metal by monitoring a moveable element.

    摘要翻译： 一种形成金属铸件的方法，包括将第一模具腔中的结构构件的第一端和结构构件的第二端定位在第二模腔中。 第一和第二模腔流体地联接到熔融金属储存器。 对储存器中的熔融金属施加主要压力以迫使熔融金属进入第一模腔和第二模腔。 然后，将第一辅助压力施加到第一模腔，并向第二模腔施加第二辅助压力，以使形成在第一模腔和第二模腔中的铸件致密化。 此外，已经填充了在第一和第二模腔之后保持主压力等于或小于初始模具填充压力的铸造方法。 另外，通过监视可移动元件来检测第一模腔是否充分地充满熔融金属的方法。