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1.发明申请公开(公告)号：US20200147725A1
公开(公告)日：2020-05-14
申请号：US16662621
申请日：2019-10-24
Applicant: General Electric Company
Inventor： Scott Alan Gold , Thomas Graham Spears , Ajay Kumar Anand
Abstract: A system and method of monitoring a powder-bed additive manufacturing process is provided where a layer of additive powder is fused using an energy source and electromagnetic emission signals are measured by a melt pool monitoring system to monitor the print process. The measured emission signals are analyzed to identify outlier emissions and clusters of outliers are identified by assessing the spatial proximity of the outlier emissions, e.g., using clustering algorithms, spatial control charts, etc. An alert may be provided or a process adjustment may be made when a cluster is identified or when a magnitude of a cluster exceeds a predetermined cluster threshold.
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公开(公告)号：US11806925B2
公开(公告)日：2023-11-07
申请号：US18069544
申请日：2022-12-21
Applicant: General Electric Company
Inventor： Scott Alan Gold , Thomas Graham Spears , Ajay Kumar Anand
IPC: B29C64/153 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B23K26/342 , B23K26/70 , B23K26/03 , B23K26/14 , B23K31/00 , B22F10/28 , B22F12/49 , B22F12/60 , B22F12/90 , B22F10/322 , B22F10/368
CPC classification number: B29C64/153 , B22F10/28 , B23K26/032 , B23K26/034 , B23K26/1464 , B23K26/342 , B23K26/702 , B23K31/003 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B22F10/322 , B22F10/368 , B22F12/49 , B22F12/60 , B22F12/90
Abstract: A system and method of monitoring a powder-bed additive manufacturing process is provided where a layer of additive powder is fused using an energy source and electromagnetic emission signals are measured by a melt pool monitoring system to monitor the print process. The measured emission signals are analyzed to identify outlier emissions and clusters of outliers are identified by assessing the spatial proximity of the outlier emissions, e.g., using clustering algorithms, spatial control charts, etc. An alert may be provided or a process adjustment may be made when a cluster is identified or when a magnitude of a cluster exceeds a predetermined cluster threshold.
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3.发明申请公开(公告)号：US20230129572A1
公开(公告)日：2023-04-27
申请号：US18069544
申请日：2022-12-21
Applicant: General Electric Company
Inventor： Scott Alan Gold , Thomas Graham Spears , Ajay Kumar Anand
IPC: B29C64/153 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B23K26/342 , B23K26/70 , B23K26/03 , B23K26/14 , B23K31/00 , B22F10/28
Abstract: A system and method of monitoring a powder-bed additive manufacturing process is provided where a layer of additive powder is fused using an energy source and electromagnetic emission signals are measured by a melt pool monitoring system to monitor the print process. The measured emission signals are analyzed to identify outlier emissions and clusters of outliers are identified by assessing the spatial proximity of the outlier emissions, e.g., using clustering algorithms, spatial control charts, etc. An alert may be provided or a process adjustment may be made when a cluster is identified or when a magnitude of a cluster exceeds a predetermined cluster threshold.
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公开(公告)号：US11559854B2
公开(公告)日：2023-01-24
申请号：US16662621
申请日：2019-10-24
Applicant: General Electric Company
Inventor： Scott Alan Gold , Thomas Graham Spears , Ajay Kumar Anand
Abstract: A system and method of monitoring a powder-bed additive manufacturing process is provided where a layer of additive powder is fused using an energy source and electromagnetic emission signals are measured by a melt pool monitoring system to monitor the print process. The measured emission signals are analyzed to identify outlier emissions and clusters of outliers are identified by assessing the spatial proximity of the outlier emissions, e.g., using clustering algorithms, spatial control charts, etc. An alert may be provided or a process adjustment may be made when a cluster is identified or when a magnitude of a cluster exceeds a predetermined cluster threshold.
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