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公开(公告)号：US20210362433A1
公开(公告)日：2021-11-25
申请号：US17391459
申请日：2021-08-02
申请人： 3D Systems, Inc.
IPC分类号： B29C64/393 , B29C64/124 , B29C64/245 , B33Y10/00 , B33Y30/00 , B33Y50/02
摘要： A three-dimensional (3D) printing system for manufacturing a three-dimensional article includes a resin vessel for containing a volume of photocurable resin having a resin upper surface, an imaging system configured to define a build plane, a build plate having a build plate upper surface, a build plate positioner, a sensor configured to generate a signal indicative of a fluid-related vertical position of one or more of the resin upper surface and a component of a volume compensator (VC), and a controller. The controller is configured to (1) operate the build plate positioner to vertically translate build plate upper surface, (2) concurrent with operating the build plate positioner, receiving the signal from the sensor, (3) analyze the signal to determine a build plate geometric signature, and (4) determine or suspend a build plan for building the 3D article based upon the determined geometric signature.
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2.发明申请公开(公告)号：US20190152136A1
公开(公告)日：2019-05-23
申请号：US16239041
申请日：2019-01-03
申请人： 3D Systems, Inc.
发明人： Andrew Enslow
IPC分类号： B29C64/135 , B29C64/40 , B29C64/223 , B29C64/393
摘要： A three dimensional printing system includes a resin vessel, a light engine, a movement mechanism, a support fixture, and a controller. The resin vessel is for containing a photocurable resin and has a lower portion with a transparent sheet. The light engine is configured to selectively project radiation up through the transparent sheet and over a build plane. The support fixture is coupled to the movement mechanism and has a lower rim that surrounds a central opening and faces the transparent sheet. The controller is configured to: (1) operate the movement mechanism to position the rim at an operating distance from the transparent sheet, (2) operate the light engine and the movement mechanism to form a particle trapping sheet that spans the central opening, and (3) operate the light engine and the movement mechanism to form the three dimensional article.
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公开(公告)号：US11813796B2
公开(公告)日：2023-11-14
申请号：US17848452
申请日：2022-06-24
申请人： 3D Systems, Inc.
IPC分类号： B29C64/314 , B29C64/124 , B29C64/255 , B29C64/227 , B33Y10/00 , B33Y30/00 , B33Y40/10
CPC分类号： B29C64/314 , B29C64/124 , B29C64/227 , B29C64/255 , B33Y10/00 , B33Y30/00 , B33Y40/10
摘要： A three-dimensional (3D) printing system is configured to manufacture a three-dimensional 3D article in a layer-by-layer manner. The 3D printing system includes a resin vessel, a tank agitation subsystem, a fabrication subsystem, and a controller. The resin vessel is configured to contain photocurable resin and has a lower region within a distance H of a bottom surface of the resin vessel. The agitation subsystem includes (a) a grating disposed within the lower region of the resin vessel and (b) an agitation movement mechanism coupled to the grating. The fabrication subsystem is configured to form the 3D article by a layer-by-layer selective curing of the photocurable resin. The controller is configured to operate the agitation movement mechanism to oscillate the grating along a lateral Y-axis to remix filler particulates within the photocurable resin.
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公开(公告)号：US20220410478A1
公开(公告)日：2022-12-29
申请号：US17848452
申请日：2022-06-24
申请人： 3D Systems, Inc.
IPC分类号： B29C64/314 , B29C64/255 , B29C64/124 , B29C64/227
摘要： A three-dimensional (3D) printing system is configured to manufacture a three-dimensional 3D article in a layer-by-layer manner. The 3D printing system includes a resin vessel, a tank agitation subsystem, a fabrication subsystem, and a controller. The resin vessel is configured to contain photocurable resin and has a lower region within a distance H of a bottom surface of the resin vessel. The agitation subsystem includes (a) a grating disposed within the lower region of the resin vessel and (b) an agitation movement mechanism coupled to the grating. The fabrication subsystem is configured to form the 3D article by a layer-by-layer selective curing of the photocurable resin. The controller is configured to operate the agitation movement mechanism to oscillate the grating along a lateral Y-axis to remix filler particulates within the photocurable resin.
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公开(公告)号：US20180345596A1
公开(公告)日：2018-12-06
申请号：US15612239
申请日：2017-06-02
申请人： 3D Systems, Inc.
发明人： Andrew Enslow
摘要： A support fixture is provided for forming a three dimensional article of manufacture onto a lower build surface thereof. The formation occurs in a resin vessel containing photocurable resin. The resin vessel includes a transparent sheet that forms a lower bound for the resin. The support fixture includes a lower planar portion, an upper portion, and a side wall coupling the lower planar portion to the upper portion. The lower planar portion defines a dense array of small openings that minimize a fluid drag of lateral resin motion when the lower build surface is proximate to the transparent sheet. The upper portion is for providing alignment and support within the three dimensional printing system. A plurality of large openings formed along the side wall that individually have a cross sectional area that is equal to a combined cross sectional area of a plurality of the small openings.
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公开(公告)号：US20190224917A1
公开(公告)日：2019-07-25
申请号：US16249976
申请日：2019-01-17
申请人： 3D Systems, Inc.
IPC分类号： B29C64/35 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B29C64/124 , B29C64/245 , B29C64/205 , B29C64/393 , B33Y40/00
摘要： A three dimensional printing system includes functional modules including a source of empty support trays, a print engine, a spinning apparatus, and a transport system. The source of empty support trays includes at least one support tray which includes a lower planar portion and an upper datum portion. The print engine is configured to receive the empty support tray and to form a three dimensional article of manufacture onto the lower planar portion thereby providing a full support tray. The spinning apparatus includes a plurality of tray holders arranged around a vertical axis of rotation and a motor system for rotating the tray holders about the vertical axis of rotation. The plurality of tray holders include a tray holder having receiving surfaces for receiving the upper datum portion of the full support tray. The transport system is configured to transfer support trays between functional modules.
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公开(公告)号：US20180345578A1
公开(公告)日：2018-12-06
申请号：US15926208
申请日：2018-03-20
申请人： 3D Systems, Inc.
发明人： Andrew Enslow , Mengshen Wu
IPC分类号： B29C64/245 , B29C64/124
CPC分类号： B29C64/245 , B29C64/124 , B33Y10/00 , B33Y30/00
摘要： A support fixture is provided for forming a three dimensional article of manufacture onto a lower build surface thereof. The formation of the three dimensional article occurs in a resin vessel containing photocurable resin. The resin vessel includes a transparent sheet that forms a lower bound for the resin. The support fixture includes an interface fixture and a replaceable support. The interface fixture includes an upper portion having alignment and gripping features, a lower portion surrounding a central opening and including a plurality of attachment features, and a side wall coupling the upper and lower portions. The replaceable support includes a planar portion having a lower surface (providing the lower build surface) for attachment of the three dimensional article of manufacture and a peripheral support portion including complementary attachment features engaging the attachment features when the peripheral support portion is mounted to the lower portion of the interface fixture.
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8.发明申请公开(公告)号：US20180281287A1
公开(公告)日：2018-10-04
申请号：US15807220
申请日：2017-11-08
申请人： 3D Systems, Inc.
发明人： Christopher Tanner , Andrew Enslow , Ben Wynne , Robert Mueller , James Pingel , Martin Alan Johnson
IPC分类号： B29C64/393 , B29C64/245 , B29C64/227 , B29C64/40 , B29C64/153
摘要： A three dimensional printing system includes a print engine, a fixture, and a controller. The print engine further includes a vessel, a light engine, and a movement mechanism. The vessel is for containing a photocurable resin and has a lower portion with a transparent sheet defining a lower surface of the vessel. The light engine is configured to project radiation up through the transparent sheet over a lateral build plane which defines a maximum addressable lateral range of the light engine. The fixture has a lower face that faces downwardly. The controller is configured to: (1) position the lower face of the fixture at the build plane, and (2) operate the light engine and movement mechanism to solidify a particle trapping sheet proximate to the transparent sheet and substantially spanning the build plane and to thereby trap particles that are present along the build plane.
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公开(公告)号：US11938679B2
公开(公告)日：2024-03-26
申请号：US17848479
申请日：2022-06-24
申请人： 3D Systems, Inc.
IPC分类号： B29C64/35 , B29C64/232 , B29C64/255 , B33Y30/00 , B33Y40/00
CPC分类号： B29C64/35 , B29C64/232 , B29C64/255 , B33Y30/00 , B33Y40/00
摘要： A three-dimensional (3D) printing system includes a resin vessel, a fabrication subsystem, a waste collection subsystem, and a controller. The resin vessel is configured to contain photocurable resin. The fabrication subsystem is configured to form the 3D article with layer-by-layer selective curing of the photocurable resin. The fabrication subsystem includes a build plate, a build plate support structure, and a vertical movement mechanism. The waste collection subsystem is attached to the build plate support structure and configured to capture partially polymerized resin as the build plate support structure moves in an upward direction. The controller is configured to (a) operate the vertical movement mechanism to translate the build plate support structure to a lower position and (b) operate the vertical movement mechanism to raise the waste collection subsystem up through the resin and to a position at which partially polymerized resin can be unloaded from the waste collection subsystem.
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公开(公告)号：US20230415418A1
公开(公告)日：2023-12-28
申请号：US17848479
申请日：2022-06-24
申请人： 3D Systems, Inc.
IPC分类号： B29C64/35 , B33Y30/00 , B33Y40/00 , B29C64/255 , B29C64/232
CPC分类号： B29C64/35 , B33Y30/00 , B33Y40/00 , B29C64/255 , B29C64/232
摘要： A three-dimensional (3D) printing system includes a resin vessel, a fabrication subsystem, a waste collection subsystem, and a controller. The resin vessel is configured to contain photocurable resin. The fabrication subsystem is configured to form the 3D article with layer-by-layer selective curing of the photocurable resin. The fabrication subsystem includes a build plate, a build plate support structure, and a vertical movement mechanism. The waste collection subsystem is attached to the build plate support structure and configured to capture partially polymerized resin as the build plate support structure moves in an upward direction. The controller is configured to (a) operate the vertical movement mechanism to translate the build plate support structure to a lower position and (b) operate the vertical movement mechanism to raise the waste collection subsystem up through the resin and to a position at which partially polymerized resin can be unloaded from the waste collection subsystem.
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