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    • 7. 发明专利
    • Method for producing a three-dimensionally shaped object
    • 空值
    • JP5364439B2
    • 2013-12-11
    • JP2009119021
    • 2009-05-15
    • パナソニック株式会社
    • 諭 阿部徳雄 吉田喜万 東勲 不破
    • B22F3/16B22F3/105B29C67/00
    • B29C67/0077B22F3/1055B22F2003/1056B22F2999/00B23P15/00B29C64/153B29C64/20B29C67/0085B33Y30/00B33Y40/00B33Y50/02Y02P10/295B22F2201/00
    • An object of the present invention is to easily eliminate fumes inside a chamber, so as to improve a positional accuracy of irradiation with a light beam and a machining accuracy in a method for manufacturing a three-dimensional shaped object. A stacked-layers forming device 1 includes a powder layer forming unit 3, a light beam irradiating unit 4, a base 22 which is fixed and on which a powder layer 32 is formed, a lifting/lowering frame 34 which surrounds the circumference of the base 22 and is freely capable of being lifted and lowered, a cover frame 36 which has a window 36a allowing transmission of light beam in its top surface, and whose bottom surface is opened, and which is disposed on the lifting/lowering frame 34 to form a chamber C, and a gas tank 71 for supplying an ambient gas. The lifting/lowering frame 34 is lowered to reduce the volume of the chamber C, so as to discharge fumes generated inside the cover frame 36, which performs replacement with the ambient gas. Since the volume of the chamber C is reduced, it is possible to easily eliminate the fumes, which makes it possible to improve the positional accuracy of irradiation with the light beam L, and the machining accuracy.
    • 本发明的目的是容易地消除室内的烟雾,从而提高三维成形体的制造方法中的光束照射的位置精度和加工精度。 堆叠层形成装置1包括粉末层形成单元3,光束照射单元4,固定有基底22并且形成有粉末层32的升降框架34,其围绕 基座22并且能够自由地升降;盖框架36,其具有允许在其顶表面中传输光束并且其底表面打开的窗口36a,并且设置在升降框架34上 形成室C和用于供应环境气体的气罐71。 升降架34被降低以减小腔室C的体积,从而排出在与外界气体进行更换的盖框架36内产生的烟雾。 由于室C的体积减小,因此可以容易地消除烟雾,从而可以提高光束L的照射位置精度和加工精度。
    • 9. 发明专利
    • Method for producing three-dimensionally shaped object
    • 用于生产三维形状对象的方法
    • JP2010265521A
    • 2010-11-25
    • JP2009119021
    • 2009-05-15
    • Panasonic Electric Works Co Ltdパナソニック電工株式会社
    • ABE SATOSHIYOSHIDA TOKUOAZUMA YOSHIKAZUFUWA ISAO
    • B22F3/16B22F3/105B29C67/00
    • B29C67/0077B22F3/1055B22F2003/1056B22F2999/00B23P15/00B29C64/153B29C64/20B29C67/0085B33Y30/00B33Y40/00B33Y50/02Y02P10/295B22F2201/00
    • PROBLEM TO BE SOLVED: To provide a method for producing a three-dimensionally shaped object wherein the removal of fumes in a chamber can be easily performed, and the emission position precision of a light beam and processing precision are improved. SOLUTION: A multi-layer molding device 1 is provided with: a powder layer forming part 3; a light beam emission part 4; a fixed base 22 at which a powder layer 32 is formed; an elevating/lowering frame 34 surrounding the outer circumference of the base 22 and further freely elevatable/lowerable; a covering frame 36 in which the upper face is provided with a window 36a permeating a light beam and also the lower face is released, and which is arranged on the elevating frame 34 so as to form a chamber C; and a gas tank 71 feeding an atmospheric gas. By descending the elevating frame 34, the volume of the chamber C is reduced to exhaust fumes generated in the covering frame 36, so as to be replace by an atmospheric gas. Since the volume of the chamber C is reduced, the removal of fumes can be easily performed, and the emission position precision of a light beam L and processing precision are improved. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种制造三维成形物体的方法,其中可以容易地执行腔室中的烟雾的去除,并且提高了光束的发射位置精度和加工精度。 解决方案:多层成型装置1具有:粉末层形成部3; 光束发射部分4; 形成有粉末层32的固定基座22; 围绕基座22的外圆周并且可自由升降的升降架34; 覆盖框架36,其上表面设置有透过光束的窗口36a,并且下表面被释放,并且布置在升降框架34上以形成室C; 以及供给气氛气体的气罐71。 通过升降框架34的下降,室C的体积减小以排出在覆盖框架36中产生的烟雾,以便被大气气体代替。 由于室C的体积减小,因此可以容易地进行烟雾的除去,提高了光束L的发射位置精度和加工精度。 版权所有(C)2011,JPO&INPIT