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公开(公告)号：WO2021252241A2
公开(公告)日：2021-12-16
申请号：PCT/US2021/035464
申请日：2021-06-02
申请人： VULCANFORMS INC.
发明人： KOMSTA, Jam, Pawel , DUNBAR, Alexander , AGGARWAL, Raghav , SWEETLAND, Matthew , FELDMANN, Martin, C.
IPC分类号： B23K26/342 , B23K26/06 , B23K26/073 , B23K26/082 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B22F10/28 , B22F10/36 , B22F10/85 , B22F12/41 , B22F12/45 , B23K26/0608
摘要： Systems and methods for additive manufacturing are described. In some embodiments, a method of controlling the one or more laser energy sources of an additive manufacturing system may be based at least in part on a scan angle and/or desired energy density. Systems and methods for controlling melt pool spacing are also described.
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2.发明申请
公开(公告)号：WO2021167781A1
公开(公告)日：2021-08-26
申请号：PCT/US2021/016143
申请日：2021-02-02
申请人： VULCANFORMS INC.
发明人： FELDMANN, Martin, C.
摘要： Methods and systems for additive manufacturing are described. In one embodiment, laser energy is emitted from one or more laser energy sources, and a phase of the laser energy emitted by each of the laser energy sources is controlled to at least partially control a position of one or more laser beams directed towards a build surface. In some embodiments an optical phased array (OPA) is used to at least partially control the position and/or shape of the one or more laser beams on the build surface. Additionally, in some embodiments one or more mirror galvanometers and/or a moveable portion of a system may be used in coordination with one or more OPA assemblies.
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公开(公告)号：WO2020072638A9
公开(公告)日：2020-04-09
申请号：PCT/US2019/054285
申请日：2019-10-02
申请人： VULCANFORMS INC.
发明人： SWEETLAND, Matthew
摘要： Disclosed embodiments relate to additive manufacturing systems. In some embodiments, an additive manufacturing system includes a fixed build plate, and a build volume extends above the fixed build plate. A boundary of the build volume may be defined by a powder containing shroud that is vertically displaceable relative to the fixed build plate. A powder deposition system is configured to deposit a powder layer along an upper surface of the build volume and the powder deposition is vertically displaceable relative to the fixed build plate. An optics assembly configured to direct laser energy from one or more laser energy sources towards the build volume, and exposure of the powder layer to the laser energy melts at least a portion of the powder layer. In some embodiments, the build plate may be supported by support columns configured to maintain the build plate in a level orientation throughout a build process.
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公开(公告)号：WO2021221786A1
公开(公告)日：2021-11-04
申请号：PCT/US2021/020593
申请日：2021-03-03
申请人： VULCANFORMS INC.
摘要： Systems and methods for additive manufacturing are described. In some embodiments, a method of controlling a weld height in an additive manufacturing process includes determining a desired melt pool width based, at least in part, on a desired weld height; selectively activating one or more laser energy sources based, at least in part, on the desired melt pool width; and melting a portion of a layer of material on a build surface via exposure to laser energy from the one or more activated laser energy sources to form a melt pool on the build surface having the desired melt pool width. Systems and methods to the use of staggered laser energy sources are also described.
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公开(公告)号：WO2020243145A1
公开(公告)日：2020-12-03
申请号：PCT/US2020/034658
申请日：2020-05-27
申请人： VULCANFORMS INC.
发明人： SWEETLAND, Matthew
IPC分类号： B29C64/205 , B22F3/105 , B29C64/153 , B29C64/165 , B33Y30/00
摘要： Disclosed embodiments relate to recoater systems for use with additive manufacturing systems. A recoater assembly may be adjustable along multiple degrees of freedom relative to a build surface, which may allow for adjustment of a spacing between the recoater assembly and the build surface and/or an orientation of the recoater assembly relative to an orientation of the build surface. In some embodiments, the recoater assembly may be supported by four support columns extending above the build surface, and attachments between the recoater assembly and the support columns may be independently adjustable to adjust the recoater relative to the build surface.
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公开(公告)号：WO2020243144A1
公开(公告)日：2020-12-03
申请号：PCT/US2020/034656
申请日：2020-05-27
申请人： VULCANFORMS INC.
IPC分类号： B22F3/105 , B23K26/073 , B33Y10/00 , B23K26/067 , B33Y30/00 , G02B26/10
摘要： Disclosed embodiments relate to additive manufacturing systems. In some embodiments, an additive manufacturing system may include a plurality of laser energy sources, an optics assembly configured to direct laser energy onto a build surface, and an optical fiber connector positioned between the plurality of laser energy sources and the optics assembly. A first plurality of optical fibers may extend between the plurality of laser energy sources and the optical fiber connector, and a second plurality of optical fibers may extend between the optical fiber connector and the optics assembly. Each optical fiber of the first plurality of optical fibers may be coupled to a corresponding optical fiber of the second plurality of optical fibers within the optical fiber connector.
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公开(公告)号：WO2020154381A1
公开(公告)日：2020-07-30
申请号：PCT/US2020/014582
申请日：2020-01-22
申请人： VULCANFORMS INC.
IPC分类号： B23K26/06 , B23K26/073 , B23K26/08 , B23K26/342
摘要： Laser control systems and related methods for controlling arrays of lasers are disclosed. A laser control system may include a first controller configured to generate a trigger signal based on a position of a laser array, and a second controller configured to send a firing signal to one or more lasers of the laser array upon receiving the trigger signal. The one or more lasers may be selected based on a desired pattern of laser energy to be formed at a particular position of the laser array.
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公开(公告)号：WO2023022831A1
公开(公告)日：2023-02-23
申请号：PCT/US2022/037661
申请日：2022-07-20
申请人： VULCANFORMS INC.
IPC分类号： B22F10/28 , B23K26/06 , B29C64/153 , B29C64/268 , B33Y30/00 , B22F10/00 , B22F12/41 , B23K26/064 , B29C64/20
摘要： Systems and methods for additive manufacturing are generally described. According to certain aspects, endcaps optically coupled to optical fibers of additive manufacturing systems are provided. In some aspects, methods for reducing a power area density of laser energy within an endcap are provided. The endcaps described herein may be used to at least partially mitigate thermal cycling that may result from the transmission of laser energy through interfaces of an additive manufacturing system.
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公开(公告)号：WO2021262679A1
公开(公告)日：2021-12-30
申请号：PCT/US2021/038421
申请日：2021-06-22
申请人： VULCANFORMS INC.
发明人： SWEETLAND, Matthew
IPC分类号： B29C64/245 , B22F3/105 , B23K26/34 , B23K37/04 , B23P6/00 , B23Q3/06 , B22F10/28 , B22F12/30 , B22F12/88 , B23K26/342 , B33Y10/00 , B33Y30/00 , B33Y40/00
摘要： Build plate assemblies and their methods of use for an additive manufacturing system are disclosed. In some embodiments, a build plate assembly may include a build plate with a build surface and one or more recesses formed in the build plate. One or more inserts may be inserted into the corresponding one or more recesses of the build plate such that a portion of the one or more inserts are accessible through one or more corresponding openings formed in the build surface associated with the recesses.
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公开(公告)号：WO2020243138A1
公开(公告)日：2020-12-03
申请号：PCT/US2020/034649
申请日：2020-05-27
申请人： VULCANFORMS INC.
发明人： SWEETLAND, Matthew
IPC分类号： B22F3/105 , B29C64/153 , B29C64/20
摘要： Disclosed embodiments relate to recoater systems for use with additive manufacturing systems. A recoater assembly may be adjustable along multiple degrees of freedom relative to a build surface, which may allow for adjustment of a spacing between the recoater assembly and the build surface and/or an orientation of the recoater assembly relative to an orientation of the build surface. In some embodiments, the recoater assembly may be supported by four support columns extending above the build surface, and attachments between the recoater assembly and the support columns may be independently adjustable to adjust the recoater relative to the build surface.
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