公开(公告)号：US20220008996A1

公开(公告)日：2022-01-13

申请号：US17291874

申请日：2019-11-05

申请人： EOS GmbH Electro Optical Systems

发明人： Peter Holfelder

IPC分类号： B22F10/366 ,  B22F10/28 ,  B22F10/85 ,  B22F12/41 ,  B22F12/45 ,  B22F12/49 ,  B33Y50/02

摘要： Described are a method and a control data generation device (54, 54′) for use therein for generating control data (PSD) for a device (1) for the additive manufacture of a manufacturing product (2) in a manufacturing process, in which build-up material (13) is built up and selectively solidified, wherein, for the solidification process, the build-up material (13) is irradiated with at least one energy beam (AL) on a build field (8), and an area of incidence (AF) of the energy beam (AL) on the build field (8) is moved in order to melt the build-up material (13). The control data (PSD) are generated such that the energy beam (AL) has an intensity distribution (GIV), at the area of incidence (AF) on the build field (8), in a section plane (x, y) running perpendicularly to the beam axis (SA) of the energy beam (AL), which intensity distribution has at least one local minimum (MIZ) in a middle region along at least one secant of the intensity distribution (GIV) in the section plane (x, y) and has an intensity profile curve (IPK), running along the edge (R) of the intensity distribution (GIV), which intensity profile curve has, at least at one point, a maximum value (MAX), and, at least at one point in a region opposite the maximum value (MAX) on the intensity profile curve (IPK), a minimum value (MIN). Also described are a method and a control device (50) for controlling a device (1) for the additive manufacture of a manufacturing product (2) using this control data (PSD), and a device (1) for the additive manufacture of manufacturing products.

公开(公告)号：US20210308941A1

公开(公告)日：2021-10-07

申请号：US16077666

申请日：2017-04-17

申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

发明人： Kristopher J. ERICKSON ,  Sterling CHAFFINS ,  Howard S. TOM

IPC分类号： B29C64/165 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/205 ,  B29C64/277 ,  B28B1/00 ,  B22F10/10 ,  B22F12/45 ,  B22F12/50

摘要： A 3D printer to additively manufacture a 3D object includes a coater, a dispenser, and an energy source. The coater is to coat a first material relative to a print bed to form a selectable number of first layers. The dispenser is to dispense a first fluid agent onto first selected locations of the first layers of the first material. The energy source is to cause fusing at the first selected locations. The dispenser is to also dispense a second fluid agent including a second material to form a selectable number of second layers of the second material at second selected locations on top of the selectable number of first layers. Each second selected location comprises at least some of the fused first selected locations.

公开(公告)号：US12053927B2

公开(公告)日：2024-08-06

申请号：US17603638

申请日：2020-04-03

申请人： SAFRAN AIRCRAFT ENGINES

发明人： Hugo Jean-Louis Sistach

IPC分类号： B29C64/268 ,  B22F10/28 ,  B22F12/45 ,  B28B1/00 ,  B29C64/153 ,  B29C64/282 ,  B33Y10/00

CPC分类号： B29C64/268 ,  B22F10/28 ,  B22F12/45 ,  B28B1/001 ,  B29C64/153 ,  B29C64/282 ,  B33Y10/00

摘要： Manufacturing of a part by local irradiation of a material that can be sintered, melted or photopolymerized, by: providing a volume of the material for manufacturing the part and compressing the volume by applying a pressure; defining, in the volume, a plurality of different target volumes, the combined target volumes defining the part to be manufactured; for each target volume, maintaining the pressure applied to the volume and simultaneously irradiating the target volume with at least two continuous beams that converge in the target volume; releasing the obtained part from the rest of non-irradiated material. The material is partially transparent to the beams; the energy applied to the target volume by each beam is greater than Ethreshold, the sum of the energies applied to the target volume by each of the beams is greater than or equal to Etransformation threshold.

公开(公告)号：US12036730B2

公开(公告)日：2024-07-16

申请号：US17010143

申请日：2020-09-02

申请人： Arcam AB

发明人： Calle Hellestam

IPC分类号： B29C64/153 ,  B22F10/28 ,  B22F10/32 ,  B22F10/362 ,  B22F12/37 ,  B22F12/45 ,  B23K15/00 ,  B23K15/02 ,  B23K26/144 ,  B23K26/342 ,  B28B1/00 ,  B29C64/245 ,  B29C64/268 ,  B33Y30/00 ,  B29K105/00 ,  B33Y10/00 ,  B33Y50/02

CPC分类号： B29C64/153 ,  B22F10/28 ,  B22F10/32 ,  B22F10/362 ,  B22F12/37 ,  B22F12/45 ,  B23K15/0086 ,  B23K15/02 ,  B23K26/144 ,  B23K26/342 ,  B28B1/001 ,  B29C64/245 ,  B29C64/268 ,  B33Y30/00 ,  B29K2105/251 ,  B33Y10/00 ,  B33Y50/02 ,  Y02P10/25

摘要： A method for forming at least one three-dimensional article through successive fusion of parts of a powder bed, comprising the steps of: providing at least one model of said three-dimensional article, moving a support structure in z-direction at a predetermined speed while rotating said support structure at a predetermined speed, directing a first and second energy beam causing said powder layer to fuse in first and second selected locations according to said model, wherein a first cover area of said first energy beam on said powder layer is arranged at a predetermined minimum distance and non-overlapping from a second cover area of said second energy beam on said powder layer, a trajectory of said first cover area and a trajectory of said second cover area are at least one of overlapping each other, abutting each other or separated to each other when said support structure is rotated a full lap.

公开(公告)号：US12030251B2

公开(公告)日：2024-07-09

申请号：US17892507

申请日：2022-08-22

申请人： General Electric Company

发明人： Mary Kathryn Thompson ,  Joshua Tyler Mook ,  William Joseph Steele ,  David Scott Simmermon ,  Michael Thomas Gansler

IPC分类号： B29C64/277 ,  B22F10/28 ,  B22F10/85 ,  B22F12/45 ,  B28B1/00 ,  B28B17/00 ,  B29C64/153 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  G02B26/08

CPC分类号： B29C64/277 ,  B22F10/28 ,  B22F10/85 ,  B22F12/45 ,  B28B1/001 ,  B28B17/0081 ,  B29C64/153 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  G02B26/0833

摘要： An irradiation device for additively manufacturing three-dimensional objects may include a beam generation device configured to generate an energy beam, an optical modulator including a micromirror array disposed downstream from the beam generation device, and a focusing lens assembly disposed downstream from the optical modulator. The micromirror array may include a plurality of micromirror elements configured to reflect a corresponding plurality of beam segment of the energy beam along a beam path incident upon the focusing lens assembly. The focusing lens assembly may include one or more lenses configured to focus the plurality of beam segments such that for respective ones of a plurality of modulation groups including a subset of micromirror elements, a corresponding subset of beam segments are focused to at least partially overlap with one another at a combination zone corresponding to the respective modulation group.

公开(公告)号：US11993007B2

公开(公告)日：2024-05-28

申请号：US16624363

申请日：2018-06-26

申请人： EOS GmbH Electro Optical Systems

发明人： Thomas Mattes ,  Jochen Philippi

IPC分类号： B29C64/153 ,  B22F12/45 ,  B22F12/90 ,  B29C64/268 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F10/28 ,  B22F10/36 ,  B22F12/13 ,  B22F12/41 ,  B22F12/49 ,  B22F12/63

CPC分类号： B29C64/153 ,  B22F12/45 ,  B22F12/90 ,  B29C64/268 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F10/28 ,  B22F10/36 ,  B22F12/13 ,  B22F12/41 ,  B22F12/49 ,  B22F12/63

摘要： A measuring system serves for equipping or retrofitting a device for manufacturing a three-dimensional object by selective layerwise solidification of a building material. The device includes an irradiator for selectively irradiating a layer of the building material applied in a working plane of the device at locations corresponding to a cross-section of the object to be manufactured. The irradiator includes at least two irradiation units, and each irradiation unit can be projected onto a pixel in the working plane and can be at least switched on and off. The measuring system includes at least one camera for determining and evaluating the radiation emitted by the irradiator and/or the position and/or orientation of the irradiation unit(s) in absolute and/or relative to one another, and at least one distance sensor for detecting an extension in a direction (z) perpendicular to the working plane.

公开(公告)号：US11914341B2

公开(公告)日：2024-02-27

申请号：US16496594

申请日：2018-03-07

申请人： EOS GmbH Electro Optical Systems

发明人： Martin Schade ,  Albert Fruth ,  Robert Achim Domröse ,  Maximilian Mittermüller ,  Michael Göth ,  Markus Kuchenbaur ,  Michael Kowal

IPC分类号： B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B23K26/342 ,  B29C64/153 ,  B22F10/36 ,  B29C64/386 ,  B33Y50/00 ,  B22F10/80 ,  B22F10/85 ,  B22F10/28 ,  B22F12/13 ,  B22F12/41 ,  B22F12/45 ,  B22F10/366 ,  G05B19/4099

CPC分类号： G05B19/4099 ,  B22F10/36 ,  B22F10/80 ,  B23K26/342 ,  B29C64/153 ,  B29C64/386 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/00 ,  B33Y50/02 ,  B22F10/28 ,  B22F10/366 ,  B22F10/85 ,  B22F12/13 ,  B22F12/41 ,  B22F12/45 ,  G05B2219/49013 ,  G05B2219/49018

摘要： The invention relates to a computer-assisted method for generating a control data set for an additive layer manufacturing device. In a first step, a layer data set is accessed, wherein points are marked in the data model which correspond to an object cross-section and at which the bid-up material should be solidified. In a second step, the layer data set is modified in such a way that for at least a portion of the object cross-section, the number of beams required for solidifying the build-up material inside said portion is determined preferably automatically, according to quality specifications of the portion and/or a manufacturing time of the object. In a third step, the modified layer data set is provided as a control data set for the additive layer manufacturing device.

公开(公告)号：US11911964B2

公开(公告)日：2024-02-27

申请号：US15337779

申请日：2016-10-28

申请人： Seurat Technologies, Inc.

发明人： James A. DeMuth ,  Erik Toomre ,  Francis L. Leard ,  Kourosh Kamshad ,  Heiner Fees ,  Eugene Berdichevsky

IPC分类号： B29C64/264 ,  B29C64/153 ,  B33Y10/00 ,  B33Y40/00 ,  B33Y50/02 ,  B33Y70/00 ,  B33Y80/00 ,  B33Y99/00 ,  B23K26/12 ,  B23K26/142 ,  B23K26/144 ,  B23K26/70 ,  B29C64/386 ,  B29C64/268 ,  B22F3/24 ,  B23K15/00 ,  B23K15/06 ,  B23K26/03 ,  B23K26/08 ,  B23K26/16 ,  B23K26/36 ,  B23K37/04 ,  B25J11/00 ,  G02B7/14 ,  G02B7/16 ,  G02B7/182 ,  G02B15/04 ,  G02B15/10 ,  G02B19/00 ,  G02F1/01 ,  G02F1/1333 ,  G02F1/135 ,  G05B17/02 ,  H01S5/40 ,  B22F10/00 ,  H01S5/00 ,  B22F12/33 ,  B22F12/44 ,  B22F12/70 ,  B22F12/00 ,  G02B27/10 ,  B22F10/28 ,  B22F10/70 ,  B22F12/30 ,  B22F12/88 ,  B22F12/90 ,  B22F10/34 ,  B22F10/36 ,  G02B26/08 ,  B23K26/00 ,  B23K26/082 ,  B23K101/00 ,  B23K101/24 ,  B23K103/00 ,  B23K101/02 ,  B29K105/00 ,  G02B27/28 ,  G07C3/14 ,  B22F10/73 ,  B22F12/17 ,  B22F12/20 ,  B22F12/41 ,  B22F12/45 ,  B22F12/53 ,  B22F10/47 ,  B22F10/32 ,  B22F10/50 ,  B22F10/64 ,  B22F10/10 ,  B33Y30/00 ,  B23K26/342 ,  B28B1/00 ,  G02B27/09 ,  G02B27/14 ,  G02B27/00

CPC分类号： B29C64/264 ,  B22F3/24 ,  B22F10/00 ,  B22F10/28 ,  B22F10/34 ,  B22F10/36 ,  B22F10/70 ,  B22F12/00 ,  B22F12/226 ,  B22F12/30 ,  B22F12/33 ,  B22F12/38 ,  B22F12/44 ,  B22F12/70 ,  B22F12/88 ,  B22F12/90 ,  B23K15/002 ,  B23K15/0006 ,  B23K15/0013 ,  B23K15/0026 ,  B23K15/0093 ,  B23K15/06 ,  B23K26/03 ,  B23K26/032 ,  B23K26/083 ,  B23K26/0846 ,  B23K26/123 ,  B23K26/127 ,  B23K26/1224 ,  B23K26/142 ,  B23K26/144 ,  B23K26/16 ,  B23K26/36 ,  B23K26/702 ,  B23K26/703 ,  B23K26/704 ,  B23K37/0426 ,  B25J11/00 ,  B29C64/153 ,  B29C64/268 ,  B29C64/386 ,  B33Y10/00 ,  B33Y40/00 ,  B33Y50/02 ,  B33Y70/00 ,  B33Y80/00 ,  B33Y99/00 ,  G02B7/14 ,  G02B7/16 ,  G02B7/1827 ,  G02B15/04 ,  G02B15/10 ,  G02B19/0028 ,  G02B19/0047 ,  G02B26/0816 ,  G02B27/108 ,  G02F1/0136 ,  G02F1/135 ,  G02F1/133362 ,  G05B17/02 ,  H01S5/005 ,  H01S5/4012 ,  B22F10/10 ,  B22F10/32 ,  B22F10/47 ,  B22F10/50 ,  B22F10/64 ,  B22F10/73 ,  B22F12/17 ,  B22F12/20 ,  B22F12/222 ,  B22F12/41 ,  B22F12/45 ,  B22F12/53 ,  B22F2003/247 ,  B22F2003/248 ,  B22F2998/10 ,  B22F2999/00 ,  B23K15/0086 ,  B23K26/0006 ,  B23K26/082 ,  B23K26/342 ,  B23K37/0408 ,  B23K2101/001 ,  B23K2101/008 ,  B23K2101/02 ,  B23K2101/24 ,  B23K2103/00 ,  B23K2103/42 ,  B23K2103/50 ,  B28B1/001 ,  B29K2105/251 ,  B33Y30/00 ,  G02B27/0068 ,  G02B27/0905 ,  G02B27/141 ,  G02B27/283 ,  G02B27/286 ,  G05B2219/49023 ,  G07C3/146 ,  Y02P10/25 ,  Y02P80/40 ,  B22F2999/00 ,  B22F10/00 ,  B22F2203/03 ,  B22F2999/00 ,  B22F12/41 ,  B22F2203/03 ,  B22F2999/00 ,  B22F10/20 ,  B22F2203/03

摘要： A method and an apparatus for collecting a powdered material after a print job in powder bed fusion additive manufacturing may involve a build platform supporting a powder bed capable of tilting, inverting, and shaking to separate the powder bed substantially from the build platform in a hopper. The powdered material may be collected in a hopper for reuse in later print jobs. The powder collecting process may be automated to increase efficiency of powder bed fusion additive manufacturing.

公开(公告)号：US11867663B2

公开(公告)日：2024-01-09

申请号：US16973333

申请日：2019-06-26

申请人： RENISHAW PLC

发明人： Damon Mark Northeast ,  Jonathan Mansell ,  Nicholas Henry Hannaford Jones

IPC分类号： G01N29/14 ,  B33Y30/00 ,  B22F10/28 ,  B33Y50/02 ,  B22F10/31 ,  B22F10/85 ,  B22F12/00 ,  B22F12/30 ,  B22F12/70 ,  B22F10/40 ,  B22F12/90 ,  B22F12/45

CPC分类号： G01N29/14 ,  B22F10/28 ,  B22F10/31 ,  B22F10/40 ,  B22F10/85 ,  B22F12/222 ,  B22F12/30 ,  B22F12/70 ,  B33Y30/00 ,  B33Y50/02 ,  B22F12/45 ,  B22F12/90

摘要： A powder bed additive manufacturing apparatus includes a build sleeve, a build platform for supporting a powder bed and object during a build, the build platform lowerable in the build sleeve, and at least one acoustic sensing system. The acoustic sensing system includes an acoustic emission sensor and an acoustic waveguide. The acoustic waveguide extends through the build platform such that a receiving end of the acoustic waveguide distal from the acoustic emission sensor abuts a surface of a build substrate removable mounted to the build platform to transmit structure-borne acoustic waves from the build substrate to the acoustic emission sensor.

公开(公告)号：US11858204B2

公开(公告)日：2024-01-02

申请号：US17581046

申请日：2022-01-21

申请人： EOS GmbH Electro Optical Systems

发明人： Thomas Mattes ,  Stefan Paternoster ,  Gerd Cantzler ,  Jochen Philippi ,  Stephan Gronenborn ,  Gero Heusler ,  Holger Moench ,  Ralf Conrads

IPC分类号： B29C64/153 ,  B29C64/277 ,  B41J2/45 ,  B29C64/268 ,  B29C64/282 ,  B29C64/386 ,  B29C64/20 ,  B22F12/42 ,  B22F12/45 ,  B22F12/47 ,  B22F12/49 ,  B22F12/00 ,  B29C64/25 ,  B22F12/44 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B23K26/064 ,  B23K26/342 ,  B23K26/08 ,  B41J2/455 ,  H01S5/00 ,  H01S5/42 ,  G03G15/22 ,  B22F10/28

CPC分类号： B29C64/153 ,  B22F12/38 ,  B22F12/42 ,  B22F12/44 ,  B22F12/45 ,  B22F12/47 ,  B22F12/49 ,  B23K26/064 ,  B23K26/0853 ,  B23K26/342 ,  B29C64/20 ,  B29C64/25 ,  B29C64/268 ,  B29C64/277 ,  B29C64/282 ,  B29C64/386 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B41J2/451 ,  B41J2/455 ,  H01S5/0071 ,  H01S5/423 ,  B22F10/28 ,  G03G15/225

摘要： The invention describes a laser printing system (100) for illuminating an object moving relative to a laser module of the laser printing system (100) in a working plane (180), the laser module comprising at least two laser arrays of semiconductor lasers and at least one optical element, wherein the optical element is adapted to image laser light emitted by the laser arrays, such that laser light of semiconductor lasers of one laser array is imaged to one pixel in the working plane of the laser printing system, and wherein the laser printing system is a 3D printing system for additive manufacturing and wherein two, three, four or a multitude of laser modules (201, 202) are provided, which are arranged in columns (c1, c2) perpendicular to a direction of movement (250) of the object in the working plane (180), and wherein the columns are staggered with respect to each other such that a first laser module (201) of a first column of laser modules (c1) is adapted to illuminate a first area (y1) of the object and a second laser module (202) of a second column (c2) of laser modules is adapted to illuminate a second area (y2) of the object, wherein the first area (y1) is adjacent to the second area (y2) such that continuous illumination of the object is enabled.