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    • 10. 发明申请
    • SPLIT WEDGE AND METHOD FOR MAKING SAME
    • 分割楔及其制造方法
    • US20160031001A1
    • 2016-02-04
    • US14802363
    • 2015-07-17
    • Nevis Industries LLC
    • Erik L. Gotlund
    • B22C9/22B22C9/02B22D25/02B61F5/12
    • B22C9/22B22C9/02B22C9/082B22C9/108B22D25/02B22D25/06B61F5/06B61F5/122
    • A method of manufacturing a friction wedge of a rail car includes forming, in drag and cope portions of a mold, at least one cavity that defines at least some exterior features of at least one friction wedge. At least one core is inserted into the drag portion adjacent to the cavity. The core includes at least one surface configured to define a column face of the friction wedge. Rigging is formed in the drag and cope portion of the mold. The rigging includes a down sprue, at least one ingate, and at least one runner for directing molten material to the cavity. Molten material is poured into the mold to form the friction wedge casting. The friction wedge casting is removed from the mold. Rigging is removed from the friction wedge casting and the friction wedge casting is finished.
    • 制造轨道车的摩擦楔的方法包括在模具的一部分中形成至少一个限定至少一个摩擦楔的外部特征的至少一个空腔。 至少一个芯被插入到与腔相邻的拖曳部分中。 芯部包括至少一个被配置为限定摩擦楔的柱面的表面。 在模具的拖曳部分形成有索具。 索具包括向下浇口,至少一个浇口,以及至少一个流道,用于将熔融材料引导到腔体。 将熔化的材料倒入模具中以形成摩擦楔铸件。 从模具中移除摩擦楔形铸件。 从摩擦楔形铸造中移除索具并完成摩擦楔形铸造。