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    SYSTEMS AND METHODS FOR HANDLING OPTICAL ANOMALIES ON OPTICAL ELEMENTS OF AN ADDITIVE MANUFACTURING MACHINE
    31.
    发明申请
    SYSTEMS AND METHODS FOR HANDLING OPTICAL ANOMALIES ON OPTICAL ELEMENTS OF AN ADDITIVE MANUFACTURING MACHINE 有权

    公开(公告)号：US20220111599A1

    公开(公告)日：2022-04-14

    申请号：US17070403

    申请日：2020-10-14

    Applicant: General Electric Company ,  Concept Laser GmbH

    Inventor： Justin Mamrak ,  MacKenzie Ryan Redding ,  Bertram Gaerber

    IPC: B29C64/393 ,  B29C64/135 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

    Abstract: A method of operating an additive manufacturing machine may include determining an operational state and/or a remedial event for the machine based on optical anomalies on one or more optical elements of an energy beam system determined by image data from a light sensor that detects a reflected portion of an imaging beam reflected by the optical elements. The remedial event may include a maintenance event and/or a replacement event. An object may be additively manufactured using nominal operating conditions during a nominal operational state, and/or using one or more augmented operating conditions during an augmented operational state. A maintenance operation may be performed, such as cleaning and/or calibrating the one or more optical elements and/or one or more components of the energy beam system, upon having determined the remedial event that comprises the maintenance event. A replacement operation may be performed, such as replacing the one or more optical elements, upon having determined the remedial event that comprises the replacement event.

    BUILD PLANE MEASUREMENT SYSTEMS AND RELATED METHODS
    32.
    发明申请
    BUILD PLANE MEASUREMENT SYSTEMS AND RELATED METHODS 有权

    公开(公告)号：US20210187861A1

    公开(公告)日：2021-06-24

    申请号：US17098625

    申请日：2020-11-16

    Applicant: Concept Laser GmbH ,  General Electric Company

    Inventor： Fabian Zeulner ,  Rachel Wyn Levine ,  MacKenzie Ryan Redding

    IPC: B29C64/393 ,  B29C64/245 ,  B29C64/153 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

    Abstract: An additive manufacturing machine includes an energy beam system situated in a fixed position relative to a reference plane coinciding with an expected location of a build plane, an energy beam system with an irradiation device configured to generate an energy beam and to direct the energy beam upon the build plane, and a position measurement system configured to determine a position of the build plane. A position measurement assembly includes one or more position sensors, and one or more mounting brackets configured to attach the one or more position sensors to an energy beam system of an additive manufacturing machine. The position measurement assembly is configured to determine a position of a build plane with the energy beam system situated in a fixed position relative to a reference plane coinciding with an expected location of the build plane.

    GAS FLOW SYSTEMS FOR AN ADDITIVE MANUFACTURING MACHINE
    33.
    发明申请
    GAS FLOW SYSTEMS FOR AN ADDITIVE MANUFACTURING MACHINE 有权

    公开(公告)号：US20210170494A1

    公开(公告)日：2021-06-10

    申请号：US16761632

    申请日：2018-11-02

    Applicant: General Electric Company

    Inventor： Justin Mamrak ,  MacKenzie Ryan Redding

    IPC: B22F10/50 ,  B22F10/28 ,  B22F12/49 ,  B22F12/70 ,  B22F10/77 ,  B33Y10/00 ,  B33Y30/00

    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.

    POSITIONING SYSTEM FOR AN ADDITIVE MANUFACTURING MACHINE
    34.
    发明申请
    POSITIONING SYSTEM FOR AN ADDITIVE MANUFACTURING MACHINE 审中-公开

    公开(公告)号：US20200331061A1

    公开(公告)日：2020-10-22

    申请号：US16761675

    申请日：2018-11-02

    Applicant: General Electric Company

    Inventor： MacKenzie Ryan Redding ,  Justin Mamrak ,  Donald Dana Lowe ,  David Scott Simmermon

    IPC: B22F3/105 ,  B33Y50/02

    Abstract: An additive manufacturing machine (900) including a build unit (904) that is supported by an overhead gantry (912) and a method for positioning the build unit (904) are provided. A positioning system (930) includes one or more position sensors (932) that are separate from the build unit (904) and are configured for obtaining positional data of the build unit (904). The positioning system (930) may continuously track the position and orientation of the build unit (904) and the additive manufacturing machine (900) may adjust the position of the build unit (904) toward a target position.

    Additive manufacturing using a selective recoater
    35.
    发明授权
    Additive manufacturing using a selective recoater 有权

    公开(公告)号：US10478893B1

    公开(公告)日：2019-11-19

    申请号：US15406461

    申请日：2017-01-13

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： MacKenzie Ryan Redding ,  Zachary David Fieldman ,  Justin Mamrak

    IPC: B22F3/10 ,  B22F3/105 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y40/00 ,  B23K15/00 ,  B23K26/342 ,  B23K26/14 ,  B23K26/08 ,  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.

    DETECTING OPTICAL ANOMALIES ON OPTICAL ELEMENTS USED IN AN ADDITIVE MANUFACTURING MACHINE
    37.
    发明申请
    DETECTING OPTICAL ANOMALIES ON OPTICAL ELEMENTS USED IN AN ADDITIVE MANUFACTURING MACHINE 有权

    公开(公告)号：US20250065411A1

    公开(公告)日：2025-02-27

    申请号：US18940922

    申请日：2024-11-08

    Applicant: General Electric Company ,  Concept Laser GmbH

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

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

    Abstract: An additive manufacturing machine includes 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 monitors one or more operating parameters of the additive manufacturing process. A light source is configured to emit an assessment beam that follows an optical path incident upon the one or more optical elements. One or more light sensors detect a reflected beam comprising at least a portion of the assessment beam at a perimeter edge of the one or more optical elements. A control system determines, based at least in part on assessment data comprising data from the one or more light sensors, whether at least one of the one or more optical elements exhibits an optical anomaly.
    A light source is configured to emit an assessment beam that follows an optical path incident upon the first and second optical elements. One or more light sensors detect a reflected beam that is either internally reflected by the first optical element or reflectively propagated between the first and second optical elements. A control system determines, based at least in part on assessment data comprising data from the one or more light sensors, whether at least one of the first and second optical elements exhibits an optical anomaly.

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