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1.发明申请公开(公告)号：US20190143451A1
公开(公告)日：2019-05-16
申请号：US15811313
申请日：2017-11-13
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Justin MAMRAK , MacKenzie Ryan REDDING
IPC: B23K26/342 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B33Y70/00 , B23K15/00 , B23K15/08 , B23K26/03 , B23K31/12 , B23K35/02
CPC classification number: B23K26/342 , B23K15/0086 , B23K15/08 , B23K26/03 , B23K26/032 , B23K26/034 , B23K26/0342 , B23K26/082 , B23K26/34 , B23K31/125 , B23K35/0255 , B23P15/00 , B23P2700/12 , B29C64/147 , B29C64/393 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B33Y70/00
Abstract: The present disclosure generally relates to methods and apparatuses for additive manufacturing using foil-based build materials. Such methods and apparatuses eliminate several drawbacks of conventional powder-based methods, including powder handling, recoater jams, and health risks. In addition, the present disclosure provides methods and apparatuses for compensation of in-process warping of build plates and foil-based build materials, in-process monitoring, and closed loop control.
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2.发明申请公开(公告)号：US20180345379A1
公开(公告)日：2018-12-06
申请号：US15609909
申请日：2017-05-31
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Brandon HOLFORD , Jeffrey VAUGHT , MacKenzie Ryan REDDING , Justin MAMRAK
Abstract: An apparatus for large-scale, real-time simultaneous additive and subtractive manufacturing is described. The build unit(s) of the apparatus includes a powder delivery mechanism, a powder recoating mechanism and an irradiation beam directing mechanism. The build unit and the machining mechanism are attached to a positioning mechanism that provides them with movement. The build platform of the apparatus is rotating and preferably vertically stationary. Embodiments of the build unit that further includes a gas-flow mechanism and the build platform having a dynamically grown wall are also described. A manufacturing method using the apparatus involves rotating the build platform; repetitive cycles of moving the build unit(s) to deposit a powder and irradiating the powder to form a fused additive layer; and machining the object being manufactured.
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公开(公告)号：US20180333778A1
公开(公告)日：2018-11-22
申请号：US15599169
申请日：2017-05-18
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Michelle Lynn SLODERBECK , Christopher HALL , Laura BANKS , Tim MURPHY , David PLOETZ , Zachary FIELDMAN , Christopher C. CHAPMAN , Emily BAUTISTA , MacKenzie Ryan REDDING
CPC classification number: B22F3/093 , B22F3/03 , B30B15/0005 , B33Y40/00 , B33Y80/00
Abstract: The present disclosure generally relates to powder packing for additive manufacturing (AM) methods and systems. Conventional powder packing methods are manual and non-standardized, and they result in operator fatigue and potentially product inconsistencies. Powder packing according to the present disclosure improves standardization and reduces turnaround time, with the potential to lower the cost of AM.
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公开(公告)号：US20180200792A1
公开(公告)日：2018-07-19
申请号：US15406467
申请日：2017-01-13
Applicant: GENERAL ELECTRIC COMPANY
Inventor： MacKenzie Ryan REDDING , Zachary David FIELDMAN , Justin MAMRAK
IPC: B22F3/105 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B23K15/00 , B23K26/342 , B23K26/08 , B23K37/02 , B23K26/14
CPC classification number: B22F3/1055 , B22F2003/1056 , B22F2003/1059 , B23K15/002 , B23K15/0086 , B23K15/0093 , B23K26/0006 , B23K26/082 , B23K26/0876 , B23K26/127 , B23K26/14 , B23K26/1437 , B23K26/342 , B23K37/0235 , B23K2103/00 , B23K2103/26 , B23K2103/42 , B33Y10/00 , B33Y30/00 , B33Y50/02
Abstract: 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：US20180200791A1
公开(公告)日：2018-07-19
申请号：US15406336
申请日：2017-01-13
Applicant: GENERAL ELECTRIC COMPANY
Inventor： MacKenzie Ryan REDDING , Justin MAMRAK , Zachary David FIELDMAN
IPC: B22F3/105 , B29C67/00 , B29C35/08 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B23K15/00 , B23K15/02 , B23K26/342 , B23K26/70
CPC classification number: B22F3/1055 , B22F2003/1056 , B22F2003/1057 , B22F2999/00 , B29C64/153 , B29C64/214 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B22F2203/03 , B22F2203/13
Abstract: The present disclosure generally relates to additive manufacturing systems and methods involving a recoater blade to smooth out deposited powder, such that the system can sense forces on the blade and allow vertical and horizontal displacement of the blade in response to those forces. The system can change how the blade responds to those forces, for instance the blade may respond by displacing quickly and easily away from the force (a “soft” recoater), or it may resist the force (a “stiff” recoater). This allows a single recoater blade to be used in a variety of situations without work stoppage, whereas before the blade would have to be replaced.
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Patent Agency Ranking
公开(公告)号：US20190143444A1
公开(公告)日：2019-05-16
申请号：US15811293
申请日：2017-11-13
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Justin MAMRAK , MacKenzie Ryan REDDING , Thomas Graham SPEARS , Mark Kevin MEYER
IPC: B23K15/00 , B33Y10/00 , B33Y30/00 , B33Y70/00 , B23K15/08 , B23K26/082 , B23K26/342 , B23K35/02
Abstract: The present disclosure generally relates to methods and apparatuses for additive manufacturing using foil-based build materials. Such methods and apparatuses eliminate several drawbacks of conventional powder-based methods, including powder handling, recoater jams, and health risks. In addition, the present disclosure provides methods and apparatuses for compensation of in-process warping of build plates and foil-based build materials.
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7.发明申请公开(公告)号：US20180345600A1
公开(公告)日：2018-12-06
申请号：US15610113
申请日：2017-05-31
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Brandon HOLFORD , Jeffrey VAUGHT , MacKenzie Ryan REDDING , Justin MAMRAK
Abstract: A method for large-scale, real-time simultaneous additive and subtractive manufacturing is described. The apparatus used in the method includes one or more build units and a machining mechanism that are attached to a positioning mechanism, and a rotating build platform. The method involves at least rotating the build platform; repetitive cycles of moving the build unit(s) to deposit powder and irradiating at least a selected portion of the powder to form at least one fused layer to form at least one object and a build wall that retains unfused powder about the object; and removing the build wall by rotational machining.
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8.发明申请公开(公告)号：US20180345373A1
公开(公告)日：2018-12-06
申请号：US15610214
申请日：2017-05-31
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Brandon HOLFORD , Jeffrey VAUGHT , MacKenzie Ryan REDDING , Justin MAMRAK
IPC: B22F3/105 , B33Y10/00 , B33Y30/00 , B33Y80/00 , B33Y40/00 , B22F5/00 , B22F5/04 , B23K15/00 , B23K15/02 , B33Y50/02 , B23K26/342 , B23K26/70 , B23K26/08 , F01D25/24 , F23R3/00
Abstract: A method for large-scale, real-time simultaneous additive and subtractive manufacturing is described. The apparatus used in the method includes a build unit and a machining mechanism that are attached to a positioning mechanism, a rotating platform, and a rotary encoder attached to the rotating platform. The method involves rotating the build platform; determining the rotational speed; growing the object and the build wall through repetitive cycles of moving the build unit(s) over and substantially parallel to multiple build areas within the build platform to deposit a layer of powder at each build area, leveling the powder, and irradiating the powder to form a fused additive layer at each build area; machining the object being manufactured; and cutting and removing the build wall. The irradiation parameters are calibrated based on the determined rotational speed.
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公开(公告)号：US20180345371A1
公开(公告)日：2018-12-06
申请号：US15610177
申请日：2017-05-31
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Justin MAMRAK , Jonathan ORTNER , MacKenzie Ryan REDDING
Abstract: An apparatus for powder-based additive manufacturing is described. The build unit(s) of the apparatus includes a powder delivery mechanism, a powder recoating mechanism and an irradiation beam directing mechanism. The build unit is attached to a positioning mechanism that provides the build unit with independent movements in at least two dimensions. The build platform of the apparatus is rotating and preferably vertically stationary. Embodiments of the build unit that further includes a gas-flow mechanism and the build platform having a dynamically grown wall are also described. An additive manufacturing method using the apparatus involves rotating the build platform and repetitive cycles of moving the build unit(s) in a radial direction to deposit at least one layer of powder, and irradiating a selected portion of the powder to form a fused additive layer.
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公开(公告)号：US20180281069A1
公开(公告)日：2018-10-04
申请号：US16002041
申请日：2018-06-07
Applicant: GENERAL ELECTRIC COMPANY
Inventor： MacKenzie Ryan REDDING , Zachary David FIELDMAN , Justin MAMRAK
IPC: B22F3/105 , B33Y30/00 , B23K26/08 , B23K15/00 , B33Y50/02 , B33Y10/00 , B23K26/342 , B23K26/14 , B23K37/02
Abstract: 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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