公开(公告)号：US11752558B2

公开(公告)日：2023-09-12

申请号：US17232648

申请日：2021-04-16

Applicant: General Electric Company ,  Concept Laser GmbH

Inventor： Fabian Zeulner ,  Christian Dicken ,  Justin Mamrak ,  MacKenzie Ryan Redding ,  Bertram Gaerber

IPC: B22F10/85 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F12/49 ,  B22F12/41 ,  B22F12/90 ,  B22F10/28 ,  B22F10/20 ,  B08B3/02

CPC classification number: B22F10/85 ,  B22F10/28 ,  B22F12/41 ,  B22F12/49 ,  B22F12/90 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: An additive manufacturing machine may include an energy beam system configured to emit an energy beam utilized in an additive manufacturing process, and one or more optical elements utilized by, or defining a portion of, the energy beam system and/or an imaging system of the additive manufacturing machine. The imaging system may be configured to monitor one or more operating parameters of the additive manufacturing process. The additive manufacturing machine may include a light source configured to emit an assessment beam that follows an optical path incident upon the one or more optical elements, and one or more light sensors configured to detect a reflected beam comprising at least a portion of the assessment beam reflected and/or transmitted by at least one of the one or more optical elements. The additive manufacturing machine may include a control system configured to determine, based at least in part on assessment data comprising data from the one or more light sensors, whether the one or more optical elements exhibit an optical anomaly.

公开(公告)号：US11524451B2

公开(公告)日：2022-12-13

申请号：US16761756

申请日：2018-11-02

Applicant: General Electric Company

Inventor： Justin Mamrak ,  MacKenzie Ryan Redding

IPC: B29C64/153 ,  B29C64/232 ,  B29C64/245 ,  B29C64/236 ,  B29C64/25 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/268

Abstract: An additive manufacturing apparatus is provided. The additive manufacturing apparatus may include a stabilizing system; a build platform on the stabilizing system; and a build unit positioned over the build platform, wherein the build unit comprises a powder dispenser and a recoater blade. Methods are also provided for making an object from powder.

公开(公告)号：US11141918B2

公开(公告)日：2021-10-12

申请号：US16761758

申请日：2018-11-02

Applicant: General Electric Company

Inventor： Justin Mamrak ,  MacKenzie Ryan Redding

IPC: B29C64/329 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/153 ,  B29C64/255 ,  B29C64/393 ,  B22F10/20 ,  B22F10/30

Abstract: An additive manufacturing machine (910) includes a build unit (920) including a powder dispenser (906) having a hopper (904) for receiving a volume of additive powder (902). A powder supply system (1000) includes a powder supply source (940) and a conveyor (1024) for transporting dispensed additive powder (902) to the hopper (904). A supply sensing system (1060) monitors the additive powder (902) that is dispensed from the powder supply source (940) and transported to the hopper (904) and a hopper sensing system (1040) monitors the additive powder (902) within the hopper (904). Each of these systems includes one or more powder level sensors (1042, 1044, 1062), weight sensors (1050, 1064), and/or vision systems (1054, 1070) for monitoring the additive powder (902).

公开(公告)号：US20200262147A1

公开(公告)日：2020-08-20

申请号：US16761758

申请日：2018-11-02

Applicant: General Electric Company

Inventor： Justin Mamrak ,  MacKenzie Ryan Redding

IPC: B29C64/329 ,  B22F3/105 ,  B29C64/153 ,  B29C64/255 ,  B29C64/393 ,  B33Y30/00 ,  B33Y50/02

Abstract: An additive manufacturing machine (910) includes a build unit (920) including a powder dispenser (906) having a hopper (904) for receiving a volume of additive powder (902). A powder supply system (1000) includes a powder supply source (940) and a conveyor (1024) for transporting dispensed additive powder (902) to the hopper (904). A supply sensing system (1060) monitors the additive powder (902) that is dispensed from the powder supply source (940) and transported to the hopper (904) and a hopper sensing system (1040) monitors the additive powder (902) within the hopper (904). Each of these systems includes one or more powder level sensors (1042, 1044, 1062), weight sensors (1050, 1064), and/or vision systems (1054, 1070) for monitoring the additive powder (902).

公开(公告)号：US10668534B2

公开(公告)日：2020-06-02

申请号：US15451043

申请日：2017-03-06

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Justin Mamrak ,  MacKenzie Ryan Redding

IPC: B22F3/105 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: A scanning technique for the additive manufacturing of an object. The method comprises the irradiation a portion of a given layer of powder to form a fused region using an energy source. When forming an object layer by layer, the irradiation follows a first irradiation pattern at least partially bounded by a stripe region. When forming the first fused region using a first irradiation pattern a first series of solidification lines are formed, at angle other than 90° with respect to a substantially linear stripe region boundary. A series of second solidification lines are formed that intersecting the end of the first solidification line at a first angle other than 0° and 180° with respect to the first solidification line. A third series of solidification lines are formed that are substantially parallel to a first series of solidification lines and intersect one of the second solidification lines.

公开(公告)号：US20180292337A1

公开(公告)日：2018-10-11

申请号：US15479413

申请日：2017-04-05

Applicant: General Electric Company

Inventor： Scott Alan Gold ,  Justin Mamrak

IPC: G01N27/02 ,  C23C16/44 ,  B33Y50/02 ,  B33Y80/00 ,  B33Y10/00 ,  B22F3/10 ,  B22F3/105 ,  B23K15/00 ,  B23K26/342 ,  B23K26/70

CPC classification number: B22F3/1055 ,  B22F7/06 ,  B22F2003/1057 ,  B29C64/159 ,  B29C64/379 ,  B29C64/393 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y80/00 ,  G01N27/902 ,  G06K9/00577

Abstract: A system and method for manufacturing and authenticating a component is provided. The method includes forming a component having an identifying region that contains two or more materials having different conductivities such that the identifying region generates an eddy current response signature that defines a component identifier of the component. The method further includes interrogating the identifying region of the surface with an eddy current probe to determine the component identifier. The component identifier may be stored in a database as a reference identifier and may be used for authenticating components.

公开(公告)号：US10022795B1

公开(公告)日：2018-07-17

申请号：US15406471

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 ,  B23K26/342 ,  B23K26/08 ,  B23K26/14 ,  B23K15/00 ,  B29C64/153

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.

公开(公告)号：US12005637B2

公开(公告)日：2024-06-11

申请号：US16761632

申请日：2018-11-02

Applicant: General Electric Company

Inventor： Justin Mamrak ,  Mackenzie Ryan Redding

IPC: B29C64/153 ,  B22F10/32 ,  B22F10/322 ,  B22F10/50 ,  B22F12/00 ,  B22F12/20 ,  B22F12/49 ,  B22F12/70 ,  B29C64/371 ,  B33Y10/00 ,  B33Y30/00 ,  B22F10/14 ,  B22F10/25 ,  B22F10/28 ,  B22F10/77 ,  B22F12/67

CPC classification number: B29C64/153 ,  B22F10/32 ,  B22F10/322 ,  B22F10/50 ,  B22F12/20 ,  B22F12/22 ,  B22F12/49 ,  B22F12/70 ,  B29C64/371 ,  B33Y10/00 ,  B33Y30/00 ,  B22F10/14 ,  B22F10/25 ,  B22F10/28 ,  B22F10/77 ,  B22F12/67 ,  B22F2201/02 ,  B22F2201/11

Abstract: An additive manufacturing machine (900) includes a plurality of subsystems, such as a condensate evacuation subsystem (940) for removing byproducts of the additive manufacturing products near a powder bed, a closed loop subsystem (960) for cleaning contaminants from sensitive machine components (964), and/or an electronics cooling subsystem (984) for cooling an electronics compartment (980). Each subsystem (940, 960, 984) may include a dedicated gas circulation loop (942, 966, 986) that is operably coupled to a gas circulation device (944, 968, 988) for urging a clean flow of gas (946, 962, 990) to each of the subsystems (940, 960, 984) to perform a particular function.

公开(公告)号：US11364564B2

公开(公告)日：2022-06-21

申请号：US15811283

申请日：2017-11-13

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Justin Mamrak ,  MacKenzie Ryan Redding ,  Mark Kevin Meyer

IPC: B23K15/00 ,  B33Y10/00 ,  B33Y30/00 ,  B23K26/342 ,  B23K15/08 ,  B23K26/082 ,  B23K26/14 ,  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.

公开(公告)号：US11253922B2

公开(公告)日：2022-02-22

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 ,  B33Y50/02 ,  B23K26/342 ,  B23K26/70 ,  B23K26/08 ,  F01D25/24 ,  F23R3/00 ,  B22F10/20 ,  B23K26/14 ,  B23K26/144 ,  B22F5/10 ,  B23K101/00 ,  F01D5/22 ,  B22F10/30

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.