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公开(公告)号：US11919242B2
公开(公告)日：2024-03-05
申请号：US17562377
申请日：2021-12-27
申请人： Stratasys, Inc.
发明人： Michael Bosveld , Thomas Peter Paul
IPC分类号： B29C64/393 , B29C64/209 , B29C64/386 , G01B7/02 , G01B11/12 , G01B11/27 , B33Y10/00 , B33Y50/02
CPC分类号： B29C64/386 , B29C64/209 , G01B7/02 , G01B11/12 , G01B11/27 , B33Y10/00 , B33Y50/02
摘要： A method for calibrating a 3D printer includes the steps of providing information obtained in a factory calibration indicating a center of an inner diameter of a tip orifice in a metal extrusion nozzle and a center of a tip surface for the nozzle and inductively sensing the nozzle with an eddy current sensor when secured to a print head on a gantry or robotic arm of the 3D printer to identify a sensed location of the center of the tip surface of the nozzle. The method includes determining a location of the center of the inner diameter of the tip orifice on the nozzle on the print head and utilizing the provided information to locate the center of the inner diameter of the tip orifice.
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公开(公告)号：US20240157650A1
公开(公告)日：2024-05-16
申请号：US18422424
申请日：2024-01-25
申请人： Stratasys, Inc.
发明人： Michael Bosveld , Thomas Peter Paul
IPC分类号： B29C64/386 , B29C64/209 , G01B7/02 , G01B11/12 , G01B11/27
CPC分类号： B29C64/386 , B29C64/209 , G01B7/02 , G01B11/12 , G01B11/27 , B33Y50/02
摘要： A method for calibrating a 3D printer includes the steps of providing information obtained in a factory calibration indicating a center of an inner diameter of a tip orifice in a metal extrusion nozzle and a center of a tip surface for the nozzle and inductively sensing the nozzle with an eddy current sensor when secured to a print head on a gantry or robotic arm of the 3D printer to identify a sensed location of the center of the tip surface of the nozzle. The method includes determining a location of the center of the inner diameter of the tip orifice on the nozzle on the print head and utilizing the provided information to locate the center of the inner diameter of the tip orifice.
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公开(公告)号：US11994412B2
公开(公告)日：2024-05-28
申请号：US17562354
申请日：2021-12-27
申请人： Stratasys, Inc.
发明人： Michael Bosveld , Thomas Peter Paul
IPC分类号： G01D5/20 , B22F10/80 , B22F12/90 , B33Y30/00 , B33Y50/00 , G01B11/00 , G01D21/00 , G02B21/00
CPC分类号： G01D5/20 , B22F10/80 , B22F12/90 , B33Y30/00 , B33Y50/00 , G01B11/002 , G02B21/008
摘要： An induction sensing method for identifying the center of a tip surface of a nozzle of print head of a 3D printer includes providing an eddy current sensor in a fixed position and providing a metal nozzle with a tip orifice in a main body and a tip surface about the tip orifice. The method includes moving the metal nozzle over the eddy current sensor in a predetermined motion path above the eddy current sensor while the eddy current sensor remains stationary and samples the magnitude of inductance in a generated inductive field, thereby generating a curve representing the inductive field. The method includes identifying a maximum amplitude of the curve to identify the center of the tip surface.
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公开(公告)号：US20230173545A1
公开(公告)日：2023-06-08
申请号：US17994888
申请日：2022-11-28
申请人： Stratasys, Inc.
IPC分类号： B07C5/342 , B29C64/386 , B29C64/118
CPC分类号： B07C5/3422 , B29C64/386 , B29C64/118 , B33Y10/00
摘要： A method of additive manufacturing comprises operating an additive manufacturing system for fabricating a multiplicity of objects, while acquiring a set of images during fabrication of each of the objects. For each object, a respective set of images is analyzed to identify fabrication irregularities, and a fabrication score is generated based on the irregularities. The multiplicity of objects is clustered according to the fabrication scores into at least two clusters.
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公开(公告)号：US20230243672A1
公开(公告)日：2023-08-03
申请号：US17562354
申请日：2021-12-27
申请人： Stratasys, Inc.
发明人： Michael Bosveld , Thomas Peter Paul
CPC分类号： G01D5/20 , B22F10/80 , B22F12/90 , B33Y30/00 , B33Y50/00 , G01B11/002 , G02B21/008
摘要： An induction sensing method for identifying the center of a tip surface of a nozzle of print head of a 3D printer includes providing an eddy current sensor in a fixed position and providing a metal nozzle with a tip orifice in a main body and a tip surface about the tip orifice. The method includes moving the metal nozzle over the eddy current sensor in a predetermined motion path above the eddy current sensor while the eddy current sensor remains stationary and samples the magnitude of inductance in a generated inductive field, thereby generating a curve representing the inductive field. The method includes identifying a maximum amplitude of the curve to identify the center of the tip surface.
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公开(公告)号：US20230202112A1
公开(公告)日：2023-06-29
申请号：US17562377
申请日：2021-12-27
申请人： Stratasys, Inc
发明人： Michael Bosveld , Thomas Peter Paul
IPC分类号： B29C64/386 , B29C64/209 , G01B7/02 , G01B11/27 , G01B11/12
CPC分类号： B29C64/386 , B29C64/209 , G01B7/02 , G01B11/27 , G01B11/12 , B33Y10/00
摘要： A method for calibrating a 3D printer includes the steps of providing information obtained in a factory calibration indicating a center of an inner diameter of a tip orifice in a metal extrusion nozzle and a center of a tip surface for the nozzle and inductively sensing the nozzle with an eddy current sensor when secured to a print head on a gantry or robotic arm of the 3D printer to identify a sensed location of the center of the tip surface of the nozzle. The method includes determining a location of the center of the inner diameter of the tip orifice on the nozzle on the print head and utilizing the provided information to locate the center of the inner diameter of the tip orifice.
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