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1. 发明公开

EP4414103A1 ADAPTIVE MANUFACTURING USING A CT SCAN AND AN ADAPTIVE MANUFACTURING TOOLPATH 审中-公开
公开(公告)号：EP4414103A1
公开(公告)日：2024-08-14
申请号：EP24157197.5
申请日：2024-02-12
申请人： PRATT & WHITNEY CANADA CORP.
发明人： TRACY, Kevin M. , DAULTON, Charles Trent
IPC分类号： B22F5/04 , B22F7/08 , B22F10/25 , B22F10/66 , B22F10/85 , B23K26/342 , B33Y10/00 , B33Y50/02 , F01D5/00 , G01N23/046 , B23P6/00 , B22F7/06 , B22F12/90 , B33Y40/20 , B23K26/00 , B23K26/03 , B22F10/80 , B33Y50/00 , B33Y30/00
CPC分类号： B22F10/25 , B22F7/08 , B22F10/66 , B22F12/90 , B22F7/062 , B33Y10/00 , B33Y40/20 , B22F10/38 , B23K26/342 , F01D5/005 , G01N23/046 , B23P6/007 , B23K26/0093 , B23K26/032 , B22F10/80 , B33Y50/00 , B33Y30/00
摘要： A method of manufacturing a component (20) includes scanning a component using computed tomography to provide scanned data. Additive manufacturing data is developed using the scanned data compared to reference data. Depositing powder (40A, 40B) using an additive manufacturing device (24) based upon the additive manufacturing data to provide a first object, the additive manufacturing device (24) melting the powder (40). Determining predicted characteristics of the first object based upon the additive manufacturing data. The predicted characteristics of the first object are compared to the reference data to provide machining data. Machining the first object using the machining data then occurs. A system (99) for manufacturing a component (20) is also disclosed.

2. 发明公开

EP4379081A1 ALUMINUM ALLOYS WITH GRAIN REFINERS, AND METHODS FOR MAKING AND USING THE SAME 审中-公开
公开(公告)号：EP4379081A1
公开(公告)日：2024-06-05
申请号：EP23197528.5
申请日：2018-01-26
申请人： HRL Laboratories, LLC
发明人： MARTIN, John , YAHATA, Brennan
IPC分类号： C22C21/06 , C22C21/10 , C22C32/00 , B22F3/105 , B33Y70/00 , C22C1/04 , C22C1/10 , C22C21/04 , C22F1/053 , C22F1/04 , B33Y70/10 , C22C1/047 , B33Y80/00 , B22F10/38
CPC分类号： C22C21/04 , C22C21/06 , C22C1/0416 , C22C1/10 , C22C1/1084 , C22C32/0047 , C22C21/10 , B33Y80/00 , C22F1/053 , Y02P10/25 , B22F1/17 , B22F1/16 , B22F10/66 , B22F10/25 , B22F10/28 , B22F10/64 , B22F10/36 , B22F10/38 , B22F10/366 , B22F10/32 , B22F10/68 , B33Y70/10 , C22C1/047
摘要： We have developed a scalable approach to directly incorporate grain-refining nanoparticles into conventional hot-tear-susceptible aluminum alloy powders. These aluminum alloy powders may be additively manufactured into high-strength, crack-free aluminum alloys with fine equiaxed microstructures by incorporating nanoparticle nucleants to control solidification during additive manufacturing. Some variations provide an additively manufactured aluminum alloy comprising aluminum, one or more strengthening elements, and at least one grain-refining element, wherein the additively manufactured aluminum alloy has a microstructure with equiaxed grains. Aluminum alloys with grain refiners are useful in many processes beyond additive manufacturing. Some variations provide an aluminum alloy comprising aluminum, copper, magnesium, at least one of zinc or silicon, and grain-refining nanoparticles selected from zirconium, tantalum, niobium, or titanium, wherein the aluminum alloy has a microstructure that is substantially crack-free with equiaxed grains.

3. 发明授权

EP3838452B1 SYSTEM AND METHODS FOR CONTOUR STITCHING IN ADDITIVE MANUFACTURING SYSTEMS 有权
公开(公告)号：EP3838452B1
公开(公告)日：2024-06-05
申请号：EP20212101.8
申请日：2020-12-07
IPC分类号： B22F10/28 , B33Y50/02 , B29C64/393 , B29C64/153 , B22F12/45 , B22F10/38 , B22F10/366 , B29C64/268 , B29C64/282 , B33Y10/00 , B33Y30/00
CPC分类号： B22F10/28 , B22F10/366 , B22F10/38 , B22F12/45 , B33Y50/02 , B29C64/153 , B29C64/393 , B29C64/268 , B33Y30/00 , B29C64/282 , B33Y10/00 , B22F2999/0020130101 , Y02P10/25

4. 发明公开

EP4374991A1 ADDITIVE PROCESSING DEVICE, ADDITIVE PROCESSING DEVICE CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM STORING ADDITIVE PROCESSING DEVICE CONTROL PROGRAM 审中-公开
公开(公告)号：EP4374991A1
公开(公告)日：2024-05-29
申请号：EP23209045.6
申请日：2023-11-10
申请人： Intelligent Manufacturing Systems International , DMG Mori Co., Ltd.
发明人： Aoyama, Hideki , Yamazaki, Kazuo , Okamoto, Erika , Ueda, Masahiro
IPC分类号： B22F10/25 , B22F10/38 , B22F12/90 , B23K26/02 , B23K26/08 , B23K26/144 , B23K26/342 , B33Y30/00 , B33Y50/02
CPC分类号： B33Y50/02 , B33Y30/00 , B22F10/25 , B22F12/90 , B22F10/38 , B23K26/08 , B23K26/144 , B23K26/02 , B23K26/342
摘要： There is provided an additive processing device that models a workpiece by melting a supplied powder material and forming layers of the melted powder material. The additive processing device includes a laser head configured to supply the powder material to the workpiece and irradiate the workpiece with a laser beam, a drive unit configured to drive the laser head, a recognition unit configured to recognize a height of the workpiece in a laminating direction at a plurality of locations while the laser head is forming a predetermined N-th layer (N being a natural number) of the workpiece, an estimation unit configured to estimate a surface shape of the N-th layer of the workpiece based on the recognized heights at the plurality of locations, and a control unit configured to control the laser head and the drive unit. The control unit is configured to recognize, based on the estimated surface shape, a low location at which the height of the workpiece in the laminating direction is lower than at another location, and set a stacking amount higher at the low location than at the other location in modeling of a N+l-th layer.

5. 发明公开

EP4374990A1 THREE-DIMENSIONAL PRINTING APPARATUS 审中-实审
公开(公告)号：EP4374990A1
公开(公告)日：2024-05-29
申请号：EP23206717.3
申请日：2023-10-30
申请人： UniTech3DP Inc.
发明人： KIM, Sanglae , ANDREU GONZALEZ, Alberto
IPC分类号： B22F10/22 , B22F10/50 , B22F12/17 , B22F12/53 , B22F12/55 , B28B1/00 , B33Y30/00
CPC分类号： B22F12/53 , B28B1/001 , B22F10/22 , B33Y30/00 , B33Y10/00 , B22F10/50 , B22F12/17 , B33Y70/10 , B22F12/55 , B22F10/38
摘要： Provided is a three-dimensional printing apparatus. The three-dimensional printing apparatus includes a stage configured to provide a support base for a physical object to be modeled, first and second discharge nozzles provided on the stage and configured to discharge a first material in a paste-state or slurry-state that forms the outline of the physical object and a second material in a liquid phase that fills a filling space surrounded by the outline of the physical object formed from the first material, respectively, an extrusion device for extruding the first material toward the first discharge nozzle, the extrusion device connected to the first discharge nozzle and configured to discharge the first material in a paste-state or slurry-state, which is a mixture of ceramic particles and a matrix in which the ceramic particles are dispersed, a heating funnel connected to the second discharge nozzle and configured to receive a metal block and melt the metal block, such that the second material of metal flow in a liquid phase which is the molten metal block is discharged through the second discharge nozzle, and a heating chamber for accommodating the stage and providing a slow cooling space for the first and second materials accumulated on the stage from the first and second discharge nozzles.
According to the disclosure, provided is a three-dimensional printing apparatus capable of forming a physical object with reduced internal defects such as voids and thermal stress while also forming a physical object with a smooth surface and a beautiful exterior.

6. 发明授权

EP3648955B1 OPTIMIERTES SEGMENTIERUNGSVERFAHREN 有权
公开(公告)号：EP3648955B1
公开(公告)日：2024-10-02
申请号：EP18752441.8
申请日：2018-08-02
IPC分类号： B29C64/393 , B29C64/153 , B22F3/105 , B33Y10/00 , B33Y30/00 , B33Y50/02 , G06F30/00 , B22F10/38 , B22F10/85 , B22F10/28
CPC分类号： B33Y30/00 , B33Y50/02 , B29C64/153 , B29C64/393 , G06F30/00 , Y02P10/25 , B22F10/38 , B22F10/28 , B22F10/85

7. 发明授权

EP3875189B1 A THREE-DIMENSIONAL PRINTING SYSTEM AND METHOD OF THREE-DIMENSIONAL PRINTING 有权
公开(公告)号：EP3875189B1
公开(公告)日：2024-09-04
申请号：EP21157968.5
申请日：2021-02-18
IPC分类号： B22F10/22 , B22F12/00 , B22F12/10 , B22F12/30 , B33Y10/00 , B33Y30/00 , B22F10/32 , B22F10/38
CPC分类号： B22F10/22 , B22F10/38 , B22F12/10 , B22F12/222 , B22F12/30 , B22F12/38 , B22F2999/0020130101 , B33Y10/00 , B33Y30/00 , Y02P10/25 , B22F10/32

8. 发明公开

EP4414104A1 ADDITIVE MANUFACTURING OF A MICROSTRUCTURE 审中-公开
公开(公告)号：EP4414104A1
公开(公告)日：2024-08-14
申请号：EP23155414.8
申请日：2023-02-07
申请人： Koninklijke Philips N.V.
发明人： UR RAHMAN, Naveed , JORRITSMA, Jorrit , HAFKAMP, Thomas , GRAGE, Jan , DE KLOET, Ron
IPC分类号： B22F5/10 , B22F10/28 , B22F10/38 , B22F12/41 , B33Y80/00 , C22C1/04
CPC分类号： B22F10/28 , B33Y80/00 , C22C1/045 , B22F5/10 , B22F1/05 , B22F12/41 , B22F10/38 , B22F3/1115 , B22F12/43 , G21K1/025 , B33Y10/00
摘要： The invention relates to a method for additive manufacturing of a microstructure (10) for selective transmission of X-ray or gamma-ray radiation. The method includes depositing (110) a layer of powder on a build plate or on a layer from at least one previous manufacturing step on the build plate, wherein the layer of powder comprises a high-Z material powder. Furthermore, the method includes selectively melting (120) and solidifying the powder to form septa wall structures (20) by scanning an electron beam in a spot sequence on the layer of powder to sequentially expose a plurality of spots (40) on the layer of powder to an electron beam spot. A size of the electron beam spot is less than 150 µm in diameter, preferably less than 75 µm in diameter, and more preferably equal to or less than 50 µm in diameter.

10. 发明公开

EP4364874A1 ADDITIVE MANUFACTURED ARTICLE MANUFACTURING METHOD AND ADDITIVE MANUFACTURING SYSTEM 审中-实审
公开(公告)号：EP4364874A1
公开(公告)日：2024-05-08
申请号：EP22848963.9
申请日：2022-04-19
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： TSUBOTA, Shuho , KIMURA, Masahiro , TAMARU, Tomoharu , SANO, Yusuke , BANNO, Yasutaka
IPC分类号： B22F10/38 , B22F10/22 , B22F12/41 , B22F12/44 , B23K9/04 , B23K26/342 , B29C64/209 , B29C64/393 , B33Y10/00 , B33Y30/00 , B33Y50/02
CPC分类号： B22F3/16 , B22F10/22 , B22F10/38 , B22F12/44 , B22F12/41 , B29C64/209 , B29C64/393 , B33Y50/02 , B33Y10/00 , B33Y30/00 , B23K26/342 , B23K9/04
摘要： An additive manufactured object production method includes: a core portion forming step of additively forming a core portion as an inner portion of an additive manufactured object by stacking first weld beads each size of which is corresponding to a first resolution; and a shell portion forming step of additively forming a shell portion as an outer portion of the additive manufactured object on a surface of the core portion by stacking second weld beads each size of which is corresponding to a second resolution higher than the first resolution after the core portion forming step.

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