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    • 9. 发明授权
    • Machine for pressure casting of metal parts possibly containing fibres
of ceramic materials
    • 用于压铸铸造可能含有陶瓷材料的金属部件的机器
    • US4777998A
    • 1988-10-18
    • US112078
    • 1987-10-26
    • Jean Charbonnier
    • Jean Charbonnier
    • B22D19/14B22D17/12B22D17/20B22D17/22B22D17/30B22D39/06B22D17/04
    • B22D17/30B22D17/12B22D39/06
    • The invention relates to an apparatus for pressure casting of metal parts which possibly contain fibres of ceramic material. The apparatus includes a cold chamber, and comprises a lower fixed plate 1, an upper movable plate 2, and a die 3 disposed between the upper plate and the lower plate, with the lower plate being provided with an injection means for liquid metal comprising an injection sleeve 5 having a piston 6 supported on a rod 7 slidable in the sleeve. The metal is contained in a sealed vessel connected to the injection sleeve by a conduit 9 by way of an orifice 8 in the sleeve, with a gas inlet in the vessel connected to a source of gas for selectively placing the liquid metal in the vessel under a gas pressure P2 which causes the flow of liquid metal in the conduit towards the sleeve. A second gas inlet is located in the conduit near the orifice, this second gas inlet able to selectively create a gas pressure P1 in a pocket adjacent to the inlet, depending on the position of the piston and the gas pressure P2.
    • 本发明涉及可能含有陶瓷材料的金属部件的压力铸造设备。 该装置包括一个冷室,包括下固定板1,上可动板2和设置在上板和下板之间的模具3,下板设置有用于液态金属的注射装置, 注射套筒5具有支撑在可在套筒中滑动的杆7上的活塞6。 金属被容纳在密封容器中,该密封容器通过导管9通过套管中的孔口8连接到注射套筒,容器中的气体入口与气源连接,用于选择性地将液体金属放置在容器中 气体压力P2,其导致导管中的液态金属流向套筒。 第二气体入口位于孔附近的导管中,该第二气体入口能够根据活塞的位置和气体压力P2选择性地在与入口相邻的凹穴中产生气体压力P1。