公开(公告)号：AT516128T

公开(公告)日：2011-07-15

申请号：AT05725865

申请日：2005-03-17

Applicant: 3D SYSTEMS INC

Inventor： HICKERSON KEVIN ,  BEDAL BRYAN ,  DIEPHUIS RICHARD

IPC: B29B13/08 ,  B28B13/00 ,  B29C48/92 ,  B29C67/00

Abstract: A three-dimensional printer adapted to construct three dimensional objects is disclosed. In an exemplary embodiment, the printer includes a first surface adapted to receive a bulk layer of sinterable powder, a polymer such as nylon powder; a radiant energy source, e.g., an incoherent heat source adapted to focus the heat energy to sinter an image from the layer of sinterable powder; and a transfer mechanism adapted to transfer or print the sintered image from the first surface to the object being assembled while fusing the sintered image to the object being assembled. The transfer mechanism is preferably adapted to simultaneously deposit and fuse the sintered image to the object being assembled. The process of generating an image and transferring it to the object being assembled is repeated for each cross section until the assembled object is completed.

公开(公告)号：WO2011005690A3

公开(公告)日：2011-03-24

申请号：PCT/US2010040921

申请日：2010-07-02

Applicant: 3D SYSTEMS INC ,  HICKERSON KEVIN ,  WRIGHT JAY ,  AHSAN OMAR

Inventor： HICKERSON KEVIN ,  WRIGHT JAY ,  AHSAN OMAR

IPC: B29C67/00

CPC classification number: G02B19/0014 ,  B29C64/153 ,  G02B19/0028 ,  G02B19/0047 ,  G02B19/009

Abstract: A imaging assembly (300) for generating a light beam suitable for sintering comprises a lamp housing (350) and a lamp (304) mounted in the lamp housing (350) comprising a filament (306) and a lamp base (308), wherein the lamp (304) is oriented with the lamp base (308) to the side of the filament (306). The imaging assembly (300) further comprises a reflector (302), an aperture (318), and at least one condenser lens (314, 316) configured to focus light emitted by the filament (306) through the aperture (318). The imaging assembly (300) further comprises a set of achromatic doublet lenses (324, 326), each achromatic doublet lens (324, 326) comprising three surfaces optimized to focus light at three wavelengths, wherein the set of achromatic doublet lenses (324, 326) focuses light over a range including the three wavelengths. The imaging assembly (300) further comprises an outer lens (332), wherein the focused light beam exits the imaging assembly (300) through the outer lens (332).

Abstract translation: 一种用于产生适于烧结的光束的成像组件（300）包括安装在灯壳（350）中的灯壳（350）和灯（304），灯壳包括灯丝（306）和灯座（308），其中 灯（304）与灯座（308）定向到灯丝（306）的侧面。 成像组件（300）还包括反射器（302），孔（318）以及被配置为将由灯丝（306）发射的光聚焦通过孔（318）的至少一个聚光透镜（314,316）。 成像组件（300）还包括一组消色差双色透镜（324,326），每个消色差双透镜（324,326）包括经过优化以聚焦三个波长的光的三个表面，其中该组消色差双透镜（324,326） 326）将光聚焦在包括三个波长的范围内。 成像组件（300）还包括外透镜（332），其中聚焦光束通过外透镜（332）离开成像组件（300）。