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    • 68. 发明授权
    • Apparatus for and method of producing on-demand semi-solid material for castings
    • 用于铸造的按需半固体材料的设备和方法
    • US06845809B1
    • 2005-01-25
    • US09585061
    • 2000-06-01
    • Samuel M. D. NorvillePatrick J. LombardJian LuShaupoh Wang
    • Samuel M. D. NorvillePatrick J. LombardJian LuShaupoh Wang
    • B22D1/00B22D17/00B22D17/10B22D17/28B22D17/30B22D27/02
    • C22C1/005B22D17/007B22D17/10B22D17/30Y10S164/90
    • A method of producing on-demand, semi-solid material for a casting process includes the steps of first heating a metal alloy until it reaches a molten state and maintaining that molten state within a desired temperature range. The next step is to ladle out a portion of the molten alloy and transfer it into a processing vessel. In one arrangement the vessel is configured with its own cooling arrangement so as to begin the solidification process for the molten alloy. In another embodiment, a thermal jacket is used to facilitate the cooling of the vessel and accordingly the cooling of the molten alloy. The next step is to apply an electromagnetic field to the molten alloy in order to create a stirring action which results in a desired flow pattern of the molten alloy within the vessel. The electromagnetic stirring begins as soon as the molten alloy is placed in the vessel and continues while the cooling continues in order to create a slurry billet of the desired metallurgical composition. The final step is to discharge the slurry billet from the vessel directly into a shot sleeve of a casting machine. The apparatus related to the described method includes a vessel which is constructed and arranged for receipt of the molten alloy. A robotic arm is provided in one embodiment for moving the vessel into a stator and then from the stator to the discharge location. In another embodiment, pneumatic cylinders are used in cooperation with structural linkages to effect movement of the vessel first into the stator and then from the stator to the discharge location. Suitable cooling arrangements for the vessel include cooling lines within the vessel, the passage of cooling air between the stator and the vessel, and the use of a thermal jacket.
    • 制备用于铸造工艺的按需半固体材料的方法包括以下步骤:首先加热金属合金直至其达到熔融状态并将熔融状态保持在所需温度范围内。 下一步是将一部分熔融合金钢包出来并将其转移到加工容器中。 在一种布置中,容器被配置有自己的冷却装置,以开始熔融合金的凝固过程。 在另一个实施例中,使用热套来促进容器的冷却,并因此促进熔融合金的冷却。 下一步是向熔融合金施加电磁场,以产生搅拌作用,这导致熔融合金在容器内所需的流动方式。 一旦熔融合金放置在容器中,电磁搅拌便开始,继续冷却,以产生所需冶金组合物的浆料坯料。 最后一步是将浆料坯料从容器中直接排放到铸造机的喷射套筒中。 与所述方法相关的装置包括构造和布置用于接收熔融合金的容器。 在一个实施例中提供了一种机器人臂,用于将容器移动到定子中,然后从定子移动到排出位置。 在另一个实施例中,气动缸与结构联动件一起使用以使容器首先进入定子然后从定子到排出位置的运动。 用于容器的合适的冷却装置包括容器内的冷却管线,定子和容器之间的冷却空气通道以及使用热套管。