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41. 发明申请

WO2022036349A1 IDENTIFYING CANDIDATE OBJECTS FOR ADDITIVE MANUFACTURING 审中-公开
公开(公告)号：WO2022036349A1
公开(公告)日：2022-02-17
申请号：PCT/US2021/071141
申请日：2021-08-09
申请人： BAKER HUGHES OILFIELD OPERATIONS LLC
发明人： GLADKIKH, Mikhail Nikolaevich , DREESE, Mackenzie , JAIN, Jayesh , CHAMARTHY, Murali Kalyan , IQBAL, Muhammad Faisal
IPC分类号： B29C64/386 , G06N20/00 , B33Y50/00
摘要： Examples described herein provide a computer-implemented method that includes aggregating data. The method further includes filtering the data to eliminate objects known not to be suitable for additive manufacturing. The method further includes performing machine learning on the data to identify objects suitable for additive manufacturing. The method further includes generating, using additive manufacturing, at least one of the objects identified as being suitable for additive manufacturing.

42. 发明申请

WO2022028860A1 METHOD AND 3D PRINTING APPARATUS FOR PRODUCTION OF A LUMINAIRE, AND A LUMINAIRE 审中-公开
公开(公告)号：WO2022028860A1
公开(公告)日：2022-02-10
申请号：PCT/EP2021/069994
申请日：2021-07-16
申请人： SIGNIFY HOLDING B.V.
发明人： KEUR, Wilhelmus, Cornelis , GOMMANS, Hendrikus, Hubertus, Petrus , HIKMET, Rifat, Ata, Mustafa
IPC分类号： F21V3/00 , F21S8/04 , B33Y10/00 , B33Y50/00 , B33Y80/00 , B29C64/118 , B29C64/386 , B29L2031/747 , F21S8/06
摘要： A method for determining a production of a luminaire (100) via 3D-printing, and a 3D-printing apparatus for production of a luminaire, and a luminaire, are provided. The method comprises the steps of defining a suspension point (110) of the luminaire, defining a fixation line (120) through the luminaire, defining a plurality of cross-sectional shapes (130) of the luminaire along the vertical axis, z, and for each cross-sectional shape of the plurality of cross-sectional shapes of the luminaire, minimizing a distance, R0, between the fixation point and a center of mass, Mt, of a first sector, S1, and a second sector, S2, of the cross- sectional shape.

43. 发明申请

WO2022020894A1 ELECTROCHEMICAL PRINTER AND METHOD FOR FORMING A MULTIDIMENSIONAL STRUCTURE 审中-公开
公开(公告)号：WO2022020894A1
公开(公告)日：2022-02-03
申请号：PCT/AU2021/050822
申请日：2021-07-28
申请人： THE AUSTRALIAN NATIONAL UNIVERSITY
发明人： CONNAL, Luke A. , VIKTOROVA, Jekaterina
IPC分类号： C25D5/04 , C25D21/12 , B33Y10/00 , B33Y30/00 , B33Y50/00
摘要： The present invention relates to a method for forming a multidimensional structure, comprising: providing an electrode and a substrate in a fluid, wherein the fluid comprises an electrolyte and a precursor agent dispersed therein; applying an electric potential difference between the substrate and the electrode to reduce or oxidise the precursor agent, thereby depositing a solid material; measuring current between the substrate and the electrode; and moving the electrode within the fluid to form a multidimensional structure of the solid material. Also provided is a device for forming a multidimensional structure.

44. 发明申请

WO2022014240A1 機械学習装置、積層造形システム、溶接条件の機械学習方法、溶接条件の調整方法、およびプログラム审中-公开
公开(公告)号：WO2022014240A1
公开(公告)日：2022-01-20
申请号：PCT/JP2021/022941
申请日：2021-06-16
申请人：株式会社神戸製鋼所
发明人：黄　碩
IPC分类号： B23K9/04 , B23K9/032 , B33Y30/00 , B33Y50/00
摘要：溶加材を溶着して溶接ビードを積層することで積層造形物を造形する際の溶接条件の機械学習を行う機械学習装置であって、溶接ビードの２つの形状データまたは２つの形状データ間の差分を入力データとし、前記２つの形状データ間の差分に対応する溶接条件間の差分を出力データとする学習済みモデルを生成するための学習処理を行う学習処理手段を有する。

45. 发明申请

WO2021262201A1 GENERATIVE DESIGN SHAPE OPTIMIZATION WITH SIZE LIMITED FATIGUE DAMAGE FOR COMPUTER AIDED DESIGN AND MANUFACTURING 审中-公开
公开(公告)号：WO2021262201A1
公开(公告)日：2021-12-30
申请号：PCT/US2020/040546
申请日：2020-07-01
申请人： AUTODESK, INC.
发明人： HARRIS, Andrew John , BANDARA, Konara Mudiyanselage Kosala , SZKURLAT, Dagmara Lilianna , BUTSCHER, Adrian Adam Thomas , RUTO, Anthony Christopher Kipkirui Yegon
IPC分类号： G06F30/23 , B29C64/386 , B33Y50/02 , B33Y50/00 , G05B15/02 , G06F17/18 , G06F2111/04 , G06F2111/08 , G06F2111/10 , G06F2113/10 , G06F30/20 , G06F30/27
摘要： Methods, systems, and apparatus, including medium-encoded computer program products, for computer aided design of physical structures using generative design processes, A method includes obtaining, by a computer aided design program, a design space for a modeled object, one or more design criteria for the modeled object, one or more in-use load cases, and a critical fatigue crack length for a material from which A physical structure will be manufactured; iteratively modifying a generatively designed three dimensional shape of the modeled object in the design space in accordance with the critical fatigue crack length for the material, wherein the iteratively modifying comprises enforcing a design criterion that limits a minimum thickness of the generatively designed three dimensional shape, the minimum thickness being based on the critical fatigue crack length for the material.

46. 发明申请

WO2021252605A1 ADDITIVE MANUFACTURING WITH PHOTO-ACOUSTIC TOMOGRAPHY DEFECT TESTING 审中-公开
公开(公告)号：WO2021252605A1
公开(公告)日：2021-12-16
申请号：PCT/US2021/036579
申请日：2021-06-09
申请人： SEURAT TECHNOLOGIES, INC.
发明人： LEARD, Francis, L. , DEMUTH, James, A. , BAYRAMIAN, Andrew, J.
IPC分类号： A61B5/00 , B22F10/28 , B22F10/80 , B22F12/41 , B22F12/45 , B22F12/90 , B23K26/032 , B23K26/342 , B29C64/153 , B29C64/268 , B29C64/277 , B29C64/393 , B33Y10/00 , B33Y30/00 , B33Y50/00 , B33Y50/02 , G01B11/2441 , G01N2291/0231 , G01N29/043 , G01N29/0672 , G01N29/2418
摘要： An additive manufacturing method supporting layer by layer testing includes a layer test including generating a hammer beam using laser light having a first wavelength, generating a read-out beam using laser light having a second wavelength, directing the generated hammer beam toward a first layer on a part to provide an acoustic hammer pulse that induces surface movement of the part, and reading the surface movement of the part using the read-out beam directed to a second position on the part. Layers can be added and the layer test repeated.

47. 发明申请

WO2021240517A1 SYSTEM AND METHOD FOR PRINTING A THREE-DIMENSIONAL OBJECT 审中-公开
公开(公告)号：WO2021240517A1
公开(公告)日：2021-12-02
申请号：PCT/IL2021/050616
申请日：2021-05-25
申请人： STRATASYS LTD.
发明人： SADE, Yariv , LIPOWITCH, Shai , WAISEL, Shai
IPC分类号： G06T17/20 , B33Y50/00 , G06T17/205
摘要： A system and method of printing a three-dimensional (3D) object may include: receiving an original mesh file of a 3D object, said mesh file comprising a primary mesh data element, representing a respective primary mesh, defined by a plurality of polygons; identifying at least one target design element, associated with the primary mesh; producing at least one auxiliary mesh, based on a geometry of said at least one identified target design element; creating a modified mesh file comprising the primary mesh and the at least one auxiliary mesh; and printing the 3D object based on the modified mesh file.

48. 发明申请

WO2021221601A1 PARTIAL MELTING IN ADDITIVE MANUFACTURING 审中-公开
公开(公告)号：WO2021221601A1
公开(公告)日：2021-11-04
申请号：PCT/US2020/030066
申请日：2020-04-27
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： CHANG, Seongsik
IPC分类号： B29C64/171 , B29C64/20 , B29C64/386 , B33Y10/00 , B33Y30/00 , B33Y50/00 , B33Y80/00
摘要： A light source for use in additive manufacturing includes a first light modulating element, which includes a diode laser element to emit light and a grating light valve to selectively permit projection of the emitted light onto selectable voxel locations of a respective layer of a build material.

49. 发明申请

WO2021220274A1 LEVELING SYSTEM FOR THREE-DIMENSIONAL PRINTING 审中-公开
公开(公告)号：WO2021220274A1
公开(公告)日：2021-11-04
申请号：PCT/IL2021/050487
申请日：2021-04-27
申请人： STRATASYS LTD.
发明人： MORDECHAY, Dan , GLASSMAN, Barak , LAIN, Kiril
IPC分类号： B29C64/112 , B29C64/218 , B29C64/35 , B29C64/386 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/00 , B22F10/00 , B22F12/00
摘要： A leveling system (32) for a three-dimensional printing system (110), comprises a rotatable roller (420), a waste collecting bath (432), a blade (434) for removing liquid waste from the roller (420) into the bath (432), and a plurality of tubular structures (450). Each tubular structure (450) has an inlet at a vicinity of a base of the bath and an outlet connectable to a pump system (452).

50. 发明申请

WO2021214465A1 METHODS AND ASSOCIATED CONTROLLERS FOR APPARATUS FOR THE LAYER-BY-LAYER FORMATION OF THREE-DIMENSIONAL OBJECTS 审中-公开
公开(公告)号：WO2021214465A1
公开(公告)日：2021-10-28
申请号：PCT/GB2021/050963
申请日：2021-04-22
申请人： XAAR 3D LIMITED
发明人： DORINI, Gianluca
IPC分类号： B29C64/165 , B22F10/00 , B22F12/00 , B29C64/386 , B33Y10/00 , B33Y30/00 , B33Y50/00
摘要： A method for determining a set point for measurements from a temperature sensor of an apparatus for the layer-by-layer formation of a three-dimensional object from particulate material, the apparatus having a moveable heat source, the method comprising: (a) distributing a calibration layer of particulate material over a build bed surface; (b) selectively applying absorption-modifying fluid to a reference area or to an area surrounding a reference area, on the build bed surface; (c) lowering the build bed surface to a calibration depth, wherein the moveable heat source is moveable across the build bed surface, and wherein the calibration depth defines a calibration distance D between the moveable heat source and the build bed surface greater than a build depth at which the object is built; (d) applying heat to the reference area using the moveable heat source while measuring, using the temperature sensor, the temperature increase of a sub-reference area comprised within the reference area over a duration of time, at least until the particulate material of the reference area begins to fuse; and/or taking optical readings, using an optical sensor, of an optical property of the sub-reference area over the duration of time; (e) determining the onset of fusion of the particulate material from the measured temperature increase and/or from a change in the optical property over the duration of time of the reference area; and (f) applying the onset of fusion as the set point for subsequent temperature measurements of the temperature sensor. Associated controllers are also provided.

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