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11.发明授权公开(公告)号：US11733677B2
公开(公告)日：2023-08-22
申请号：US16766466
申请日：2018-11-23
申请人： LPW Technology Ltd
发明人： Ben Ferrar
IPC分类号： B29C64/153 , B29C64/245 , B29C64/393 , B29C64/171 , G05B19/4099 , B33Y40/00 , B33Y10/00 , B33Y50/02 , B33Y80/00 , B29L31/00 , B22F10/73 , B22F10/28 , B22F12/67 , B22F10/39 , B22F10/85
CPC分类号： G05B19/4099 , B29C64/153 , B29C64/171 , B29C64/245 , B29C64/393 , B33Y40/00 , B22F10/28 , B22F10/39 , B22F10/73 , B22F10/85 , B22F12/67 , B29L2031/7174 , B33Y10/00 , B33Y50/02 , B33Y80/00 , B22F2998/10 , B22F10/28 , B22F3/1103 , B22F2005/103 , B22F10/73 , B22F2203/05 , B22F2999/00 , B22F10/85 , B22F10/73 , B22F2203/05 , B22F2999/00 , B22F10/85 , B22F2005/103 , B22F5/003
摘要： A method of additive manufacture involves building a container 8 and a structure by fusing powder 12, 13, 14, such that the container contains the structure and unfused powder. The container 8 may be used in a method for predicting powder degradation in an additive manufacturing process. Containers containing different types of structure may be built to measure the effect of building different types of structures on powder degradation. A structure to be built may be characterised by classes of structural features it contains and information obtained used from building containers used to predict how building the structure will degrade powder.
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公开(公告)号：US11724314B2
公开(公告)日：2023-08-15
申请号：US17375853
申请日：2021-07-14
发明人： Hou T. Ng , Daihua Zhang , Nag B. Patibandla
IPC分类号： B22F10/28 , B22F12/30 , B22F12/53 , B22F12/63 , B22F12/67 , B22F12/00 , B33Y30/00 , B33Y40/00 , B22F12/90 , B33Y50/00 , B33Y10/00
CPC分类号： B22F10/28 , B22F12/222 , B22F12/224 , B22F12/30 , B22F12/53 , B22F12/63 , B22F12/67 , B22F12/90 , B33Y30/00 , B33Y40/00 , B33Y10/00 , B33Y50/00
摘要： Methods and systems for additive manufacturing can include a modular spreader unit including multiple spreaders that collectively span the width of a large build area. The spreaders can be arranged in offset rows so that spreaders in a second row cover gaps between spreaders in a first row. The spreaders can be secured with quick release mechanisms for rapid replacement and adjustment during service intervals.
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公开(公告)号：US20230249251A1
公开(公告)日：2023-08-10
申请号：US18102556
申请日：2023-01-27
申请人： Incus GmbH
摘要： In a method for additive manufacturing of at least one metallic or ceramic component, before at least one green part is built up layer by layer in a printing device, a support layer is applied to a surface of a printing support having recesses, so that the green part is built up layer by layer on the support layer, whereupon the green part lying on the printing support is removed from the printing device and unpolymerized material is removed from the green part, wherein removed material is collected in the recesses of the printing support or is drained off through the recesses, and wherein the cleaned green part is debinded and sintered.
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公开(公告)号：US11667082B2
公开(公告)日：2023-06-06
申请号：US16073878
申请日：2017-01-31
发明人： Georg Fey , Martin Heugel , Sebastian Friedel , Dominik Wolf , Alexander Schilling , Philip Ströbel
IPC分类号： B29C64/371 , B33Y30/00 , B29C64/153 , B29C64/20 , B33Y10/00 , B33Y50/02 , B33Y40/00 , B22F10/28 , B22F10/77 , B22F12/67 , B22F12/70 , B22F10/32 , B22F10/322 , B29C64/393 , B22F12/90
CPC分类号： B29C64/371 , B22F10/28 , B22F10/32 , B22F10/322 , B22F10/77 , B22F12/67 , B22F12/70 , B29C64/153 , B29C64/20 , B29C64/393 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02 , B22F12/90 , Y02P10/25
摘要： An apparatus for manufacturing a three-dimensional object by a layer-by-layer solidification of building material at the points corresponding to the cross-section of the object to be manufactured in a respective layer. The apparatus includes a process chamber in which the object is to be built up layer by layer by selectively solidifying layers of a building material in a build area, a gas supply device, and a recirculating air filter device, wherein the apparatus comprises a pressure stabilization device configured to keep the pressure in the process chamber substantially constant.
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公开(公告)号：US12121973B2
公开(公告)日：2024-10-22
申请号：US18125042
申请日：2023-03-22
发明人： Mohammed S. Shaarawi , James McKinnell , Vladek Kasperchik , David A. Champion , Greg Scott Long
IPC分类号： B22F12/63 , B22F1/10 , B22F1/107 , B22F9/04 , B22F10/14 , B22F10/20 , B22F10/64 , B29C64/165 , B29C67/00 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y40/20 , B33Y70/00 , B22F10/28 , B22F10/32 , B22F10/50 , B22F12/52 , B22F12/67 , B33Y70/10
CPC分类号： B22F9/04 , B22F1/10 , B22F1/107 , B22F10/14 , B22F10/20 , B22F10/64 , B29C64/165 , B29C67/00 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y40/20 , B33Y70/00 , B22F2009/041 , B22F10/28 , B22F10/32 , B22F10/50 , B22F12/52 , B22F12/63 , B22F12/67 , B33Y70/10
摘要： In a three-dimensional printing method example, a liquid functional agent is selectively applied. The liquid functional agent includes an alloying agent. A metallic build material is applied. The liquid functional agent is selectively applied before the metallic build material, after the metallic build material, or both before and after the metallic build material. The liquid functional agent patterns the metallic build material to form a composite layer. At least some of the metallic build material is exposed to energy to melt the at least some of the metallic build material to form a layer. Upon contact or after energy exposure, the alloying agent and the build material alter a composition of the composite layer.
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16.发明公开公开(公告)号：US20240300024A1
公开(公告)日：2024-09-12
申请号：US18597267
申请日：2024-03-06
摘要： The present aspects include a recoater blade system. The recoater blade system includes a blade body with a longitudinal length between a first end and a second end, and a sensor device associated with the blade body. The sensor device is configured to receive inputs relating to characteristics of a powder bed. The inputs may include drag force of the blade body across the powder bed and impact force on the blade body, and these inputs may determine the spreading quality of the blade body and any surface defects that may be present.
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公开(公告)号：US12084745B2
公开(公告)日：2024-09-10
申请号：US17192125
申请日：2021-03-04
发明人： Ryusuke Tsubota , Yohei Oka , Akira Okamoto , Takayuki Nakamoto , Takahiro Sugahara , Naruaki Shinomiya , Mamoru Takemura , Sohei Uchida
IPC分类号： C22C1/04 , B22F3/24 , B22F10/00 , B22F10/25 , B22F10/28 , B22F10/32 , B22F10/36 , B22F10/64 , B33Y10/00 , B33Y70/00 , C22C9/00 , C22C9/06 , C22F1/08 , B22F10/80 , B22F12/41 , B22F12/67 , B33Y80/00
CPC分类号： C22C1/0425 , B22F3/24 , B22F10/00 , B22F10/28 , B22F10/64 , B33Y70/00 , C22C9/00 , C22C9/06 , C22F1/08 , B22F2003/248 , B22F10/25 , B22F10/32 , B22F10/36 , B22F10/80 , B22F12/41 , B22F12/67 , B22F2998/10 , B33Y10/00 , B33Y80/00 , Y02P10/25 , B22F2998/10 , B22F10/00 , B22F2003/248 , B22F2998/10 , B22F10/28 , B22F2003/248
摘要： A copper alloy powder is a copper alloy powder for additive manufacturing. The copper alloy powder contains more than 1.00 mass % and not more than 2.80 mass % of chromium, and a balance of copper. A method for producing an additively-manufactured article includes a first step of preparing a copper alloy powder containing more than 1.00 mass % and not more than 2.80 mass % of chromium and a balance of copper and a second step of producing the additively-manufactured article from the copper alloy powder, and the additively-manufactured article is produced such that forming a powder layer including the copper alloy powder, and solidifying the copper alloy powder at a predetermined position in the powder layer to form a shaped layer are sequentially repeated to stack such shaped layers to thus produce the additively-manufactured article.
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公开(公告)号：US20240157448A1
公开(公告)日：2024-05-16
申请号：US18283621
申请日：2021-07-02
发明人： JIAN-YE LIU , WEN-HUA GAO , KA-LI XU , LIU-HUI NIU , GAO-FENG HU
IPC分类号： B22F12/67 , B22F10/28 , B22F10/366 , B22F12/49 , B22F12/50 , B22F12/70 , B22F12/90 , B33Y10/00 , B33Y30/00 , B33Y40/00
CPC分类号： B22F12/67 , B22F10/28 , B22F10/366 , B22F12/49 , B22F12/50 , B22F12/70 , B22F12/90 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B22F2998/10
摘要： A metal 3D printing device comprises a building platform, a first powder spreading arm, a second powder spreading arm, a gas stream unit and a scanning module. The building platform is for supporting the powder. The first and second powder spreading arms are spaced and configured for spreading powder. The gas stream unites comprises a gas blowing port and a gas suction port, the gas blowing port is provided in the first powder spreading arm, and the gas suction port is provided in the second powder spreading arm. The scanning module is for emitting a laser to the powder preplaced between the first and second powder spreading arms to solidify the powder to form the product.
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公开(公告)号：US20240140027A1
公开(公告)日：2024-05-02
申请号：US18409963
申请日：2024-01-11
申请人： Concept Laser GmbH
发明人： Frank Herzog , Florian Bechmann , Fabian Zeulner
IPC分类号： B29C64/153 , B22F10/28 , B22F10/36 , B22F10/37 , B22F12/00 , B22F12/60 , B22F12/67 , B22F12/90 , B23K26/00 , B23K26/03 , B23K26/16 , B23K26/342 , B29C64/35 , B29C64/393 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02
CPC分类号： B29C64/153 , B22F10/28 , B22F10/36 , B22F10/37 , B22F12/222 , B22F12/60 , B22F12/67 , B22F12/90 , B23K26/0093 , B23K26/032 , B23K26/16 , B23K26/342 , B29C64/35 , B29C64/393 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02 , B22F12/49 , Y02P10/25
摘要： The invention relates to an apparatus (1) for the additive manufacturing of at least one three-dimensional object (2) by selectively compacting layer by layer at least one compactible building material (3) by means of at least one energy beam (5) generated by at least one radiation generating device (4), comprising at least one radiation generating device (4) for generating at least one energy beam (5) for compacting at least one compactible building material (3), at least one coating device (8) for carrying out at least one coating operation to apply a defined building material layer (9) of at least one compactible building material (3) to a building plane (10) or to a building material layer (9) of at least one compactible building material (3) that has previously been applied in the course of carrying out a previous coating operation, and also at least one recording device (11) for recording layer information describing, at least for certain portions, the quality, in particular of the surface, of a building material layer (9) applied by means of the coating device (8) in the course of carrying out a coating operation, wherein the at least one recording device (11) is designed to record corresponding layer information during a coating operation carried out by means of the coating device (8).
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公开(公告)号：US20240139816A1
公开(公告)日：2024-05-02
申请号：US18280453
申请日：2022-02-08
发明人： Naoki UEDA
IPC分类号： B22F12/33 , B22F10/28 , B22F12/00 , B22F12/67 , B29C64/153 , B29C64/205 , B29C64/232 , B29C64/236 , B29C64/245 , B33Y10/00 , B33Y30/00
CPC分类号： B22F12/33 , B22F10/28 , B22F12/222 , B22F12/224 , B22F12/67 , B29C64/153 , B29C64/205 , B29C64/232 , B29C64/236 , B29C64/245 , B33Y10/00 , B33Y30/00
摘要： A powder additive manufacturing apparatus includes a plurality of molding stages, a stage conveyance mechanism, and a plurality of elevation control mechanisms. Each of the plurality of molding stages includes a main surface over which powder can be placed, the powder being an object to be processed. The stage conveyance mechanism conveys the plurality of molding stages in a process proceeding direction in a processing area including a plurality of processing sections in which the plurality of molding stages are arranged along the process proceeding direction. The plurality of elevation control mechanisms control heights of the plurality of molding stages, respectively, in the processing area.
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