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    • 3. 发明申请
    • DIODE LASER FIBER ARRAY FOR POWDER BED FABRICATION OR REPAIR
    • 二极管激光纤维阵列,用于粉饼制作或维修
    • WO2015134075A2
    • 2015-09-11
    • PCT/US2014/068979
    • 2014-12-08
    • GENERAL ELECTRIC COMPANY
    • JONES, Marshall, GordonCARTER, William, ThomasSEARS, James, William
    • B33Y30/00B22F3/1055B22F5/009B22F2003/1056B23K26/0608B23K26/0626B23K26/073B23K26/34B23K2201/001B23P6/007B28B1/001B29C64/153B29C64/20B29C73/00B29C73/34B29K2105/251B29L2031/08B33Y10/00F05D2230/31G02B6/4206G02B6/425Y02P10/295
    • A method of forming a build in a powder bed includes emitting a plurality of laser beams from selected fibers of a diode laser fiber array onto the powder bed, the selected fibers of the array corresponding to a pattern of a layer of the build; and simultaneously melting powder in the powder bed corresponding to the pattern of the layer of the build. An apparatus for forming a build in a powder bed includes a diode laser fiber array including a plurality of diode lasers and a plurality of optical fibers corresponding to the plurality of diode lasers, each optical fiber configured to receive a laser beam from a respective diode laser and configured to emitting the laser beam; a support configured to support a powder bed or a component configured to support the powder bed at a distance from ends of the optical fibers; and a controller configured to control the diode laser fiber array to emit a plurality of laser beams from selected fibers of the diode laser fiber array onto the powder bed, the selected fibers of the array corresponding to a pattern of a layer of the build and simultaneously melt the powder in the powder bed corresponding to the pattern of the layer of the build.
    • 在粉床中形成构造的方法包括从二极管激光光纤阵列的选定光纤发射多个激光束到粉末床上,阵列的选定光纤对应于构图层的图案; 同时将粉末床中的粉末与构成层的图案对应。 一种用于在粉床中形成构造的装置包括:二极管激光器阵列,包括多个二极管激光器和对应于多个二极管激光器的多个光纤,每个光纤被配置为从相应的二极管激光器接收激光束 并配置为发射激光束; 支撑构造成支撑粉末床或构造成在距离光纤的端部一定距离处支撑粉末床的部件; 以及控制器,其被配置为控制所述二极管激光光纤阵列以将来自所述二极管激光光纤阵列的选定光纤的多个激光束发射到所述粉末床上,所述阵列的所选择的光纤对应于所述构造层的图案,并且同时 将粉末床中的粉末熔化成对应于构建层的图案的粉末。