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    • 5. 发明授权
    • Electron beam melting installation
    • 电子束熔化安装
    • US3800850A
    • 1974-04-02
    • US3800850D
    • 1971-07-14
    • TESCHEV ABELENKY AMOVCHAN BPATON BKUCHERENKO PMISJURA RKURAPOV JTIKHONOVSKY A
    • TIKHONOVSKY AKURAPOV JMISJURA RKUCHERENKO PPATON BMOVCHAN BBELENKY ATESCHEV A
    • C21C5/56H01J37/305B22D27/02
    • H01J37/305
    • An electron beam melting installation for manufacture of rings and pipes from a consumable material employs a vacuum chamber having electron beams for melting, into which chamber the consumable material is fed, preferably in the form of a bar. Molten material from the bar is deposited into a water-cooled intermediate vessel wherein the material is maintained in molten state by an electron beam. The molten material is gradually discharged into a metal crystallization unit, also disposed in the vacuum chamber. The crystallization unit employs an L-shaped member arranged to be capable of controlled vertical movement on the circumference of a sector-shaped element. The sector-shaped element is secured to a rotatable seeding or forming disk which is slowly rotated by means of a hollow shaft. Molten material deposited into a recess formed by the L-shaped member crystallizes, slowly adding to the pipe or ring which is being formed. The region of said recess is heated by further electron beam means to control the crystallization of molten material. The hollow shaft, the intermediate vessel and the L-shaped member are expediently water-cooled to improve the performance of the installation. By slowly rotating the hollow shaft and the seeding disk when molten material is continuously crystallized, pipes or rings of the consumable material may be formed.
    • 用于从消耗材料制造环和管的电子束熔化装置采用具有用于熔化的电子束的真空室,优选地以条形式供入消耗材料。 来自棒材的熔融材料沉积在水冷中间容器中,其中材料通过电子束保持在熔融状态。 熔融材料逐渐排出到金属结晶单元中,也设置在真空室中。 结晶单元采用布置成能够在扇形元件的圆周上受控垂直运动的L形构件。 扇形元件被固定到通过中空轴缓慢旋转的可旋转播种或成形盘。 沉积在由L形构件形成的凹部中的熔融材料结晶,缓慢地添加到正在形成的管或环上。 所述凹部的区域被另外的电子束装置加热以控制熔融材料的结晶。 空心轴,中间容器和L形构件有利地是水冷的,以提高安装的性能。 当熔融材料连续结晶时,通过缓慢旋转中空轴和播种盘,可以形成消耗材料的管或环。