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公开(公告)号：US12076789B2
公开(公告)日：2024-09-03
申请号：US16332154
申请日：2017-12-07
IPC分类号： B29C64/153 , B22F12/67 , B29C64/40 , B22F10/28 , B22F10/36 , B22F10/38 , B22F10/47 , B22F12/44 , B22F12/49 , B22F12/52 , B22F12/70 , B33Y10/00 , B33Y30/00 , B33Y70/00
CPC分类号： B22F12/67 , B29C64/153 , B29C64/40 , B22F10/28 , B22F10/36 , B22F10/385 , B22F10/47 , B22F12/44 , B22F12/49 , B22F12/52 , B22F12/70 , B33Y10/00 , B33Y30/00 , B33Y70/00 , Y02P10/25
摘要： The present disclosure generally relates to additive manufacturing systems and methods on a large-scale format. One aspect involves a build unit that can be moved around in three dimensions by a positioning system, building separate portions of a large object. The build unit has an energy directing device that directs, e.g., laser or e-beam irradiation onto a powder layer. In the case of laser irradiation, the build volume may have a gasflow device that provides laminar gas flow to a laminar flow zone above the layer of powder. This allows for efficient removal of the smoke, condensates, and other impurities produced by irradiating the powder (the “gas plume”) without excessively disturbing the powder layer. The build unit may also have a recoater that allows it to selectively deposit particular quantities of powder in specific locations over a work surface to build large, high quality, high precision objects.
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公开(公告)号：US10478893B1
公开(公告)日：2019-11-19
申请号：US15406461
申请日：2017-01-13
IPC分类号： B22F3/10 , B22F3/105 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B33Y40/00 , B23K15/00 , B23K26/342 , B23K26/14 , B23K26/08 , B23K37/02
摘要： The present disclosure generally relates to additive manufacturing systems and methods on a large-scale format. One aspect involves a build unit that can be moved around in three dimensions by a positioning system, building separate portions of a large object. The build unit has an energy directing device that directs, e.g., laser or e-beam irradiation onto a powder layer. In the case of laser irradiation, the build volume may have a gasflow device that provides laminar gas flow to a laminar flow zone above the layer of powder. This allows for efficient removal of the smoke, condensates, and other impurities produced by irradiating the powder (the “gas plume”) without excessively disturbing the powder layer. The build unit may also have a recoater that allows it to selectively deposit particular quantities of powder in specific locations over a work surface to build large, high quality, high precision objects.
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公开(公告)号：US11801633B2
公开(公告)日：2023-10-31
申请号：US17498205
申请日：2021-10-11
IPC分类号： B29C64/153 , B29C64/141 , B29C64/386 , B22F12/67 , B33Y30/00 , B28B1/00 , B28B17/00 , B29C33/74 , B22F10/28 , B22F12/49 , B22F12/52 , B22F12/63 , B22F12/90 , B22F10/64 , B33Y10/00 , B33Y50/02 , B29C33/70
CPC分类号： B29C64/153 , B22F12/67 , B28B1/001 , B28B17/0081 , B29C33/74 , B29C64/141 , B29C64/386 , B33Y30/00 , B22F10/28 , B22F10/64 , B22F12/49 , B22F12/52 , B22F12/63 , B22F12/90 , B29C2033/705 , B29K2883/00 , B33Y10/00 , B33Y50/02 , Y02P10/25 , B22F2999/00 , B22F10/30 , B22F12/67 , B22F12/90
摘要： The present disclosure generally relates to additive manufacturing systems and methods involving a mechanism for feeding in a desired amount of fresh recoater blade. This can be accomplished by, for example, spooling the fresh blade material from a spool. This helps prevent work stoppage when a portion of a recoater blade becomes damaged. As such, the present disclosure also relates to a system and method for detecting whether a recoater blade is damaged, and if there is damage, then causing a fresh blade portion to be fed in.
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公开(公告)号：US20200338829A1
公开(公告)日：2020-10-29
申请号：US16761736
申请日：2018-11-02
IPC分类号： B29C64/393 , B29C64/214 , B29C64/153 , B22F3/105 , B33Y10/00 , B33Y30/00 , B33Y50/02
摘要： The present disclosure relates to systems, methods, and apparatuses for monitoring the flow of a powder. A powder distribution system may include an inlet for receiving powder from a powder reservoir. The powder reservoir may include an outlet to supply powder received from the inlet. The apparatus may further include a powder flow sensor configured to monitor a quantity of powder supplied by the outlet, and wherein the quantity of powder supplied by the outlet is controlled, at least in part by a monitored output of the powder flow sensor.
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公开(公告)号：US09956612B1
公开(公告)日：2018-05-01
申请号：US15406454
申请日：2017-01-13
IPC分类号： B22F3/10 , B22F3/105 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B23K26/342 , B23K15/00 , B23K26/14 , B23K26/08 , B23K37/02 , B29C64/268 , B29C64/153 , B29C64/364
CPC分类号： B22F3/1055 , B22F2003/1056 , B22F2003/1059 , B23K15/002 , B23K15/0086 , B23K26/0876 , B23K26/1437 , B23K26/342 , B23K37/0235 , B29C64/153 , B29C64/205 , B29C64/268 , B29C64/364 , B29C64/40 , B33Y10/00 , B33Y30/00 , B33Y50/02
摘要： The present disclosure generally relates to additive manufacturing systems and methods on a large-scale format. One aspect involves a build unit that can be moved around in three dimensions by a positioning system, building separate portions of a large object. The build unit has an energy directing device that directs, e.g., laser or e-beam irradiation onto a powder layer. In the case of laser irradiation, the build volume may have a gasflow device that provides laminar gas flow to a laminar flow zone above the layer of powder. This allows for efficient removal of the smoke, condensates, and other impurities produced by irradiating the powder (the “gas plume”) without excessively disturbing the powder layer. The build unit may also have a recoater that allows it to selectively deposit particular quantities of powder in specific locations over a work surface to build large, high quality, high precision objects.
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公开(公告)号：US10744713B2
公开(公告)日：2020-08-18
申请号：US15042001
申请日：2016-02-11
IPC分类号： B22F3/105 , B29C64/153 , B29C64/40 , B33Y10/00 , B33Y30/00
摘要： The present disclosure generally relates to methods for additive manufacturing (AM) that utilize breakable structures in the process of building objects, as well as novel breakable support structures to be used within these AM processes. A support structure includes a weakened portion and the object includes an outlet. The method includes breaking the removable support structure at the weakened portion into at least two parts.
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公开(公告)号：US10549478B2
公开(公告)日：2020-02-04
申请号：US15041973
申请日：2016-02-11
发明人： Eliezer Manuel Alcantara Marte , Zachary David Fieldman , Thomas Sinnett , Daniel Joerger , Neal Dunham , Mike Miller
摘要： The present disclosure generally relates to methods for additive manufacturing (AM) that utilize support surrounding structures in the process of building objects, as well as novel surrounding support structures to be used within these AM processes. The support structure surrounds at least a portion of the object with a continuous thickness of powder disposed between the support structure and the object, the continuous thickness of powder having a maximum thickness that does not exceed 10 mm.
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公开(公告)号：US10471695B2
公开(公告)日：2019-11-12
申请号：US15335116
申请日：2016-10-26
摘要： The present disclosure generally relates to methods for additive manufacturing (AM) that utilize thermal dissipation support structures in the process of building objects, as well as novel thermal dissipation support structures to be used within these AM processes. The thermal dissipation support structures include at least one sacrificial structure that is separated from the object by a portion of unfused powder. The sacrificial structure increases a thermal dissipation rate of at least a portion of the object such that such that thermal gradients in the object remain below a specified threshold that prevents deformation of the object.
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公开(公告)号：US10022795B1
公开(公告)日：2018-07-17
申请号：US15406471
申请日：2017-01-13
IPC分类号： B22F3/105 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B23K26/342 , B23K26/08 , B23K26/14 , B23K15/00 , B29C64/153
摘要： The present disclosure generally relates to additive manufacturing systems and methods on a large-scale format. One aspect involves a build unit that can be moved around in three dimensions by a positioning system, building separate portions of a large object. The build unit has an energy directing device that directs, e.g., laser or e-beam irradiation onto a powder layer. In the case of laser irradiation, the build volume may have a gasflow device that provides laminar gas flow to a laminar flow zone above the layer of powder. This allows for efficient removal of the smoke, condensates, and other impurities produced by irradiating the powder (the “gas plume”) without excessively disturbing the powder layer. The build unit may also have a recoater that allows it to selectively deposit particular quantities of powder in specific locations over a work surface to build large, high quality, high precision objects.
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公开(公告)号：US11155071B2
公开(公告)日：2021-10-26
申请号：US16512772
申请日：2019-07-16
IPC分类号： B33Y10/00 , B29C64/40 , B29C64/153 , B33Y40/00 , B22F10/20
摘要： The present disclosure generally relates to methods for additive manufacturing (AM) that utilize support structure in the process of building objects that may be removed by rotating the support structure to a second orientation before removal, as well as novel support structures to be used within these AM processes. The support structures are fabricated in a first orientation and then rotated to the second orientation. The support structures are removed by passing through an outlet of the object.
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