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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1
US2020130279A1
DETERMINATION DEVICE FOR DETERMINING AT LEAST ONE PARAMETER OF AN ENERGY BEAM
Publication/Patent Number: US2020130279A1 Publication Date: 2020-04-30 Application Number: 16/294,848 Filing Date: 2019-03-06 Inventor: Dicken, Christian   Schulz, Thomas   Assignee: CONCEPT LASER GMBH   IPC: B29C64/386 Abstract: Determination device (2) for determining at least one parameter of an energy beam (4), in particular an energy beam (4) generated via an irradiation device of an apparatus (1) for additively manufacturing three-dimensional objects, which determination device (2) comprises two determination units (5, 6) arrangeable or arranged in succession in a beam path (3) of the energy beam (4), characterized in that each determination unit (5, 6) builds or comprises at least one complementary pattern element (15, 18, 21, 23, 24, 27, 30), wherein at least two pattern elements (15, 18, 21, 23, 24, 27, 30) of the two determination units (5, 6) complement each other to a superordinate pattern (32, 35).
2
US2020180216A1
METHOD FOR CALIBRATING AN IRRADIATION DEVICE FOR AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2020180216A1 Publication Date: 2020-06-11 Application Number: 16/293,640 Filing Date: 2019-03-06 Inventor: Beck, Moritz   Dicken, Christian   Assignee: CONCEPT LASER GMBH   IPC: B29C64/153 Abstract: Method for calibrating an irradiation device for additively manufacturing three-dimensional objects by successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam, which irradiation device comprises a first and a second irradiation unit adapted to guide a first and a second energy beam, wherein at least two first and two second calibration patterns are generated, wherein the at least two first calibration patterns are generated in at least two different first positions via the first energy beam and the at least two second calibration patterns are generated in at least two different second positions via the second energy beam and position information are determined relating to the positions of the at least two first and second calibration patterns and calibration information are generated relating to a calibration status of the irradiation device based on the determined position information.
3
EP3666523A1
METHOD FOR CALIBRATING AN IRRADIATION DEVICE FOR AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3666523A1 Publication Date: 2020-06-17 Application Number: 18211595.6 Filing Date: 2018-12-11 Inventor: Beck, Moritz   Dicken, Christian   Assignee: Concept Laser GmbH   IPC: B33Y40/00 Abstract: Method for calibrating an irradiation device (2) for an apparatus (1) for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam (6, 7), which irradiation device (2) comprises at least a first and a second irradiation unit (3, 4) adapted to guide at least a first and a second energy beam (7), wherein at least two first and two second calibration patterns (15) are generated, wherein the at least two first calibration patterns (14) are generated in at least two different first positions via the first energy beam (6) and the at least two second calibration patterns (15) are generated in at least two different second positions via the second energy beam (7) and position information are determined relating to the positions of the at least two first and second calibration patterns (14, 15) and calibration information are generated relating to a calibration status of the irradiation device (2) based on the determined position information.
4
EP3644010A1
DETERMINATION DEVICE FOR DETERMINING AT LEAST ONE PARAMETER OF AN ENERGY BEAM
Publication/Patent Number: EP3644010A1 Publication Date: 2020-04-29 Application Number: 18202970.2 Filing Date: 2018-10-26 Inventor: Dicken, Christian   Schulz, Thomas   Assignee: Concept Laser GmbH   IPC: G01B11/27 Abstract: Determination device (2) for determining at least one parameter of an energy beam (4), in particular an energy beam (4) generated via an irradiation device of an apparatus (1) for additively manufacturing three-dimensional objects, which determination device (2) comprises two determination units (5, 6) arrangeable or arranged in succession in a beam path (3) of the energy beam (4), characterized in that each determination unit (5, 6) builds or comprises at least one complementary pattern element (15, 18, 21, 23, 24, 27, 30), wherein at least two pattern elements (15, 18, 21, 23, 24, 27, 30) of the two determination units (5, 6) complement each other to a superordinate pattern (32, 35).
5
EP3597401A1
APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3597401A1 Publication Date: 2020-01-22 Application Number: 19194706.8 Filing Date: 2017-08-25 Inventor: Zeulner, Fabian   Dicken, Christian   Hunze, Stephan   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/153 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), wherein a measuring unit (5) is provided that is configured to generate information relating to a collimated part (6) of the energy beam (4) and information relating to a focused part (7) of the energy beam (4).
6
EP3722079A1
METHOD FOR CALIBRATING AN IRRADIATION DEVICE OF AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3722079A1 Publication Date: 2020-10-14 Application Number: 19168507.2 Filing Date: 2019-04-10 Inventor: Zeulner, Fabian   Dicken, Christian   Kleinschmidt, Ann-kathrin   Assignee: Concept Laser GmbH   IPC: B29C64/277 Abstract: Method for calibrating an irradiation device of an apparatus for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of at least two energy beams, wherein the at least two energy beams are guided via at least two irradiation units, wherein at least two calibration patterns (3 - 5, 14 - 18), particularly a pattern series (2, 21), are generated in a calibration specimen (1) comprising an at least partially overlapping, particularly complementary, first sub-pattern (6, 7, 19, 20) and second sub-pattern (6, 7, 19, 20), wherein the first sub-pattern (6, 7, 19, 20) is generated via the first irradiation unit and the second sub-pattern (6, 7, 19, 20) is generated via the second irradiation unit and calibration information is determined relating to a calibration status of the two irradiation units based on the at least two calibration patterns (3 - 5, 14 - 18).
7
EP3626433A1
METHOD FOR CALIBRATING AN IRRADIATION DEVICE
Publication/Patent Number: EP3626433A1 Publication Date: 2020-03-25 Application Number: 18195570.9 Filing Date: 2018-09-19 Inventor: Klaußner, Tim   Dicken, Christian   Gärber, Bertram   Assignee: Concept Laser GmbH   IPC: B29C64/153 Abstract: Method for calibrating an irradiation device (2) of an apparatus (1) for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam (6, 10), which irradiation device (2) comprises at least two irradiation units (3, 4), wherein a first irradiation unit (3) is adapted to generate at least one first energy beam (6) and guide the first energy beam (6) via a first beam guiding unit (7) in a first guiding region of a build plane (8), wherein a second irradiation unit (4) is adapted to generate at least one second energy beam (10) and guide the second energy beam (10) via a second beam guiding unit (11) in a second guiding region of a build plane (8), comprising the steps: - guiding one of the at least two energy beams (6, 10) via the corresponding irradiation unit (3, 4) to a determination region (15), preferably a part of a build plane (8), for generating a calibration pattern (18, 19) - imaging at least one part of the determination region (15) to an on-axis determination unit (12, 14) of the at least one other irradiation unit (3, 4) - determining a position of the calibration pattern (18, 19) in the determination region (15) on basis of the image of the at least one part of the determination region (15) - generating calibration information relating to a calibration status of at least one part of the irradiation device (2) based on the position of the calibration pattern (18, 19).
8
US2020324485A1
METHOD FOR CALIBRATING AN IRRADIATION DEVICE OF AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2020324485A1 Publication Date: 2020-10-15 Application Number: 16/838,052 Filing Date: 2020-04-02 Inventor: Zeulner, Fabian   Dicken, Christian   Kleinschmidt, Ann-kathrin   Assignee: General Electric Company   IPC: B29C64/393 Abstract: Methods for calibrating an irradiation device of an apparatus for additively manufacturing three-dimensional objects by successive layerwise selective irradiation and consolidation of layers of a build material consolidated by at least two energy beams are provided. The at least two energy beams may be guided via at least two irradiation units. The method may comprise: generating at least two calibration patterns in a calibration specimen comprising an at least partially overlapping first sub-pattern and second sub-pattern, wherein the first sub-pattern is generated via the first irradiation unit and the second sub-pattern is generated via the second irradiation unit and determining calibration information relating to a calibration status of the two irradiation units based on the at least two calibration patterns. Systems and apparatus for performing such a method are also generally provided.
9
US2020086557A1
METHOD FOR CALIBRATING AN IRRADIATION DEVICE
Publication/Patent Number: US2020086557A1 Publication Date: 2020-03-19 Application Number: 16/291,666 Filing Date: 2019-03-04 Inventor: Klaußner, Tim   Dicken, Christian   GÄrber, Bertram   Assignee: CONCEPT LASER GMBH   IPC: B29C64/153 Abstract: Method for calibrating an irradiation device (2) for additively manufacturing three-dimensional objects which irradiation device (2) comprises at least two irradiation units (3, 4), comprising: guiding one of the at least two energy beams (6, 10) via the corresponding irradiation unit (3, 4) to a determination region (15), preferably a part of a build plane (8), for generating a calibration pattern (18, 19); imaging at least one part of the determination region (15) to an on-axis determination unit (12, 14) of the at least one other irradiation unit (3, 4); determining a position of the calibration pattern (18, 19) in the determination region (15) on basis of the image of the at least one part of the determination region (15); generating calibration information relating to a calibration status of at least one part of the irradiation device (2) based on the position of the calibration pattern (18, 19).
10
US2019060999A1
APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2019060999A1 Publication Date: 2019-02-28 Application Number: 16/002,448 Filing Date: 2018-06-07 Inventor: Zeulner, Fabian   Dicken, Christian   Hunze, Stephan   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B22F3/105 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), with an irradiation device (5) configured to generate the energy beam (4), wherein the energy beam (4) propagates along an optical beam path (6) of the energy beam (4) onto a build plane (7), wherein the energy beam (4) irradiates build material (3) in at least one consolidation zone (8), wherein a detection device (11) is provided that is configured to detect radiation (12b) emitted from at least one adjacent zone (9, 10) adjacent to the consolidation zone (8) or radiation (12a) emitted from the consolidation zone (8) and radiation (12b) emitted from the adjacent zone (9, 10).
11
US201960999A1
APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US201960999A1 Publication Date: 2019-02-28 Application Number: 20/181,600 Filing Date: 2018-06-07 Inventor: Zeulner, Fabian   Hunze, Stephan   Dicken, Christian   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B33Y50/02 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), with an irradiation device (5) configured to generate the energy beam (4), wherein the energy beam (4) propagates along an optical beam path (6) of the energy beam (4) onto a build plane (7), wherein the energy beam (4) irradiates build material (3) in at least one consolidation zone (8), wherein a detection device (11) is provided that is configured to detect radiation (12b) emitted from at least one adjacent zone (9, 10) adjacent to the consolidation zone (8) or radiation (12a) emitted from the consolidation zone (8) and radiation (12b) emitted from the adjacent zone (9, 10).
12
US2019061253A1
APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2019061253A1 Publication Date: 2019-02-28 Application Number: 16/104,447 Filing Date: 2018-08-17 Inventor: Zeulner, Fabian   Dicken, Christian   Hunze, Stephan   Assignee: CONCEPT LASER GMBH   IPC: B29C64/268 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), wherein a measuring unit (5) is provided that is configured to generate information relating to a collimated part (6) of the energy beam (4) and information relating to a focused part (7) of the energy beam (4).
13
EP3446854A1
APPARATUS AND METHOD FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3446854A1 Publication Date: 2019-02-27 Application Number: 17187994.3 Filing Date: 2017-08-25 Inventor: Zeulner, Fabian   Dicken, Christian   Hunze, Stephan   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/153 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), wherein a measuring unit (5) is provided that is configured to generate information relating to a collimated part (6) of the energy beam (4) and information relating to a focused part (7) of the energy beam (4).
14
EP3446855A1
APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3446855A1 Publication Date: 2019-02-27 Application Number: 17187997.6 Filing Date: 2017-08-25 Inventor: Zeulner, Fabian   Dicken, Christian   Hunze, Stephan   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/153 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), with an irradiation device (5) configured to generate the energy beam (4), wherein the energy beam (4) propagates along an optical beam path (6) of the energy beam (4) onto a build plane (7), wherein the energy beam (4) irradiates build material (3) in at least one consolidation zone (8), wherein a detection device (11) is provided that is configured to detect radiation (12b) emitted from at least one adjacent zone (9, 10) adjacent to the consolidation zone (8) or radiation (12a) emitted from the consolidation zone (8) and radiation (12b) emitted from the adjacent zone (9, 10).
15
US201961253A1
APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US201961253A1 Publication Date: 2019-02-28 Application Number: 20/181,610 Filing Date: 2018-08-17 Inventor: Zeulner, Fabian   Hunze, Stephan   Dicken, Christian   Assignee: Concept Laser GmbH   IPC: B33Y30/00 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), wherein a measuring unit (5) is provided that is configured to generate information relating to a collimated part (6) of the energy beam (4) and information relating to a focused part (7) of the energy beam (4).