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    • 9. 发明申请
    • OSCILLATING GATE POWDER RECOATER FOR THREE-DIMENSIONAL PRINTER
    • 用于三维打印机的振动门粉剂补给器
    • WO2018067336A1
    • 2018-04-12
    • PCT/US2017/053214
    • 2017-09-25
    • THE EXONE COMPANY
    • DUGAN, Anthony S.
    • B05D5/00B28B11/06B29C31/02B29C41/02B29C41/36B29C64/329
    • Powder-layer three-dimensional printer recoaters are disclosed which comprise a controllably vibrated traveling powder dispenser having a hopper section adapted to contain a build powder, an opening through which the powder can be controllably discharged laterally into a chamber which is located beside the opening and which has a mesh covering at least a portion of its bottom. A gate is located with its bottom portion proximal to the opening and is adapted so that its bottom portion horizontally oscillates with respect to the hopper. The recoaters also comprise a vibrator that is operably connected to the traveling powder dispenser and is adapted to selectively cause the powder to flow from the hopper through the opening and be discharged through the mesh and the bottom portion of the gate to horizontally oscillate. In some embodiments, the recoaters also comprise a smoothing device which is adapted to smoothen the powder dispensed through the mesh.
    • 公开了粉末层三维打印机重涂器,其包括可控地振动的移动式粉末分配器,该粉末分配器具有适于容纳建造粉末的料斗部分,开口,粉末可通过该开口横向地可控制地排出到 其位于开口旁边并且具有覆盖其底部的至少一部分的网。 门的底部靠近开口并且适于使其底部相对于漏斗水平摆动。 所述重涂器还包括振动器,所述振动器可操作地连接到行进的粉末分配器并且适于选择性地使粉末从料斗通过开口流动并通过筛网和闸门的底部部分排出以水平摆动。 在一些实施例中,重涂器还包括平滑装置,其适于平滑通过网孔分配的粉末。
    • 10. 发明申请
    • SYSTEM AND METHOD TO CONTROL A THREE-DIMENSIONAL (3D) PRINTER
    • 控制三维(3D)打印机的系统和方法
    • WO2017205375A1
    • 2017-11-30
    • PCT/US2017/034006
    • 2017-05-23
    • VOXEL8, INC.
    • MINARDI, John, EugeneBUSBEE, Travis, AlexanderTRAN, JonathanESKIN, Max
    • B29C41/36B29C67/00B33Y10/00B33Y30/00
    • A three-dimensional (3D) printer device includes a first extruder configured to deposit a material on a deposition platform, an actuator coupled to at least one of the first extruder or the deposition platform, and a controller coupled to the actuator. The controller is configured to cause the first extruder to deposit a first portion of the material corresponding to a first portion of a physical model. The controller may be configured to cause the first extruder to be cleaned, purged, or both, after the first extruder deposits the first portion of the material. The controller may be configured to cause the first extruder to deposit a second portion of the material after the first extruder is cleaned. The second portion of the material corresponds to a second portion of the physical model.
    • 一种三维(3D)打印机设备包括:第一挤出机,其被配置成将材料沉积在沉积平台上;致动器,其耦合到第一挤出机或沉积平台中的至少一个;以及控制器 耦合到致动器。 控制器被配置成使第一挤出机沉积对应于物理模型的第一部分的材料的第一部分。 控制器可以被配置成在第一挤出机沉积第一部分材料之后使第一挤出机清洁,吹扫或二者。 控制器可以被配置为在第一挤出机被清洁之后使第一挤出机沉积材料的第二部分。 材料的第二部分对应于物理模型的第二部分。