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    • 2. 发明申请
    • METHOD FOR MANUFACTURING A METAL INGOT COMPRISING A BORE, AND ASSOCIATED INGOT AND MOLDING DEVICE
    • 用于制造包含钻孔的金属填料的方法以及相关的金属和成型装置
    • US20120269672A1
    • 2012-10-25
    • US13503115
    • 2009-10-21
    • Thierry FaudanJean-Luc DabinGilbert LacagneMaxime LeroyBruno SavalliFranck Braconnier
    • Thierry FaudanJean-Luc DabinGilbert LacagneMaxime LeroyBruno SavalliFranck Braconnier
    • B22D27/15B22C9/00C22C38/00
    • B22D7/06B22D7/04B22D18/06
    • In said method, the mold (1), which includes a mold cavity (3A) defined by an ingot mold (2), a core (4) and a bottom (27), is arranged inside a vacuum-cast enclosure (5) including a means (9) of introducing molten metal at the upper portion thereof. A means (11A, 11′) for receiving and distributing molten metal, which is suitable for receiving the molten steel introduced into the vacuum-cast enclosure (5) and for redistributing the molten metal in the mold cavity (3A), is arranged at the upper portion of the mold cavity (3A). The molten metal is introduced into the enclosure (5) so as to form a first jet of molten steel (50) under a vacuum, in order to pour the molten metal over the receiving and distributing means (11A, 11′) and to form at least one second jet of molten steel (52) under a vacuum, which originates with the receiving and distributing means (11A, 11′) and terminates in the mold cavity (3A) so as to fill the mold cavity (3A) with molten metal.
    • 在所述方法中,包括由铸模(2)限定的模腔(3A),芯(4)和底部(27)的模具(1)布置在真空铸造外壳(5)的内部, 包括在其上部引入熔融金属的装置(9)。 一种用于接收和分配熔融金属的装置(11A,11'),其适于接收引入真空铸造外壳(5)中的钢水并将熔融金属重新分配在模腔(3A)中, 模腔(3A)的上部。 将熔融金属引入外壳(5)中,以在真空下形成第一钢水流(50),以将熔融金属倒在接收和分配装置(11A,11')上并形成 在真空下至少一个第二喷射的钢水(52),其起始于接收和分配装置(11A,11'),并终止在模腔(3A)中,以便以熔融的方式填充模腔(3A) 金属。