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1
US10882135B2
Apparatus for additively manufacturing of three-dimensional objects
Publication/Patent Number: US10882135B2 Publication Date: 2021-01-05 Application Number: 16/041,607 Filing Date: 2018-07-20 Inventor: Bauer, Maximilian   Hertel, Kai   Assignee: Concept Laser GmbH   IPC: B29C64/286 Abstract: An apparatus for additively manufacturing three-dimensional objects includes a scanning unit configured to scan an energy beam over a build plane, and a focusing unit that includes an optical lens or lens system. The focusing unit may be configured to control a focal position of the energy beam based on calibration information. The focal position may be controlled by moving the focusing unit in the z-direction relative to the build plane without changing the focal length of the energy beam. Methods of calibrating such an apparatus may include moving a focusing unit in the z-direction relative to a build plane based on calibration information and scanning an energy beam over at least a portion of the build plane using a scanning unit, with the focusing unit being configured to control a focal position of the energy beam without changing the focal length of the energy beam.
2
US2020269494A1
METHOD OF CONTROLLING AND/OR OPERATING AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2020269494A1 Publication Date: 2020-08-27 Application Number: 16/871,500 Filing Date: 2020-05-11 Inventor: Schumann, Philipp   Hertel, Kai   Voigt, Timo   Assignee: Concept Laser GmbH   IPC: B29C64/135 Abstract: Methods of controlling and/or operating an apparatus for additively manufacturing three-dimensional objects include simulating control and/or operation of at least one functionality of the apparatus using a provisional software product to check at least one pre-defined certification criterion upon which the at least one functionality of the apparatus are preconditioned, generating a machine-readable software product upon the provisional software product having satisfied the at least one pre-defined certification criterion, and controlling and/or operating the at least one functionality of the apparatus using the machine-readable software product. The software product may be generated by modifying the provisional software product based on a certification key provided to the provisional software product. The provisional software product may be unreadable by the apparatus and may require such modifying when generating the machine-readable software product as a precondition to such controlling and/or operating of functionality of the apparatus.
3
US2020238623A1
OPTIMIZATION APPROACH TO LOAD BALANCING AND MINIMIZATION OF BUILD TIME IN ADDITIVE MANUFACTURING
Publication/Patent Number: US2020238623A1 Publication Date: 2020-07-30 Application Number: 16/260,662 Filing Date: 2019-01-29 Inventor: Umang, Nitish   Hertel, Kai   Wacker, Christian   Roychowdhury, Subhrajit   Toledano, David   Bollapragada, Srinivas   Assignee: General Electric Company   IPC: B29C64/393 Abstract: According to some embodiments, system and methods are provided comprising receiving input including: coordinates of one or more regions to be fabricated on a build plate, a laser boundary for each of two or more lasers, wherein the lasers fabricate the one or more regions, and a processing time for each region; deriving a prioritized sequence of the one or more regions to be fabricated; determining, based on the received coordinates and received laser boundary, one or more potential lasers assignments for each region; determining, based on the determined potential laser assignments, the prioritized sequence of the one or more regions, and the processing time for each region, a laser-to-region sequence for the one or more lasers to fabricate the one or more regions; assigning the determined laser-to-region sequence to the one or more lasers for fabrication of the one or more regions. Numerous other aspects are provided.
4
US2019143606A1
METHOD FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2019143606A1 Publication Date: 2019-05-16 Application Number: 16/186,406 Filing Date: 2018-11-09 Inventor: Hertel, Kai   Assignee: CONCEPT LASER GMBH   IPC: B29C64/393 Abstract: Method for additively manufacturing at least one three-dimensional object (2) by means of successive layerwise selective irradiation and consolidation of build material layers by means of at least one energy beam (4), whereby each build material layer comprises at least one irradiation area (IA) which is to be selectively irradiated and thereby, selectively consolidated during the additive build-up of the three-dimensional object (2) to be additively manufactured, the irradiation area (IA) being subdivided into a number of irradiation sub-areas (ISA), wherein at least one irradiation sub-area (ISA) having the shape of a polygon, the polygon having at least five sides.
5
US2019118483A1
METHOD FOR OPERATING AN APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2019118483A1 Publication Date: 2019-04-25 Application Number: 16/165,500 Filing Date: 2018-10-19 Inventor: Hertel, Kai   Assignee: CONCEPT LASER GMBH   IPC: B29C64/393 Abstract: Method for operating at least one apparatus (1) for additively manufacturing of three-dimensional objects (2-5) by means of successive layerwise selective irradiation and consolidation of layers (6) of a build material which can be consolidated by means of an energy beam (12), wherein at least one object (2-5) is being built by successively irradiating layers (6) of the object (2-5) in a build plane (13), wherein at least one part (16-31) of at least one layer (6) of the object (2-5) is assigned to be irradiated by a first energy beam (12) and at least one other part (16-31) of at least one layer (6) of the object (2-5) is assigned to be irradiated by another energy beam (12), wherein the parts (16-31) of layers (6) are assigned to be irradiated by one of the at least two energy beams (12) based on a Huffman coding.
6
US2019283134A1
METHOD FOR ADDITIVELY MANUFACTURING AT LEAST ONE THREE-DIMENSIONAL OBJECT
Publication/Patent Number: US2019283134A1 Publication Date: 2019-09-19 Application Number: 16/273,131 Filing Date: 2019-02-11 Inventor: Hertel, Kai   Assignee: CONCEPT LASER GMBH   IPC: B22F3/105 Abstract: Method for additively manufacturing at least one three-dimensional object whereby a process gas stream streams across the build plane (BP), whereby the process gas stream is adapted to transport respective fume particles from a layer of build material (3) which are generated during selective irradiation and consolidation of the respective layer of build material (3); wherein it is determined that the process gas stream fulfils a pre-definable or pre-defined scheduling criterion; wherein the start time for starting irradiating and consolidating of a first area (A1) and/or the start time for starting irradiating and consolidating the at least one further area (A2, An) is determined on the basis of the determination that the process gas stream has fulfilled the pre-definable or pre-defined scheduling criterion.
7
EP3486072A1
METHOD FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3486072A1 Publication Date: 2019-05-22 Application Number: 17201936.6 Filing Date: 2017-11-15 Inventor: Hertel, Kai   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/393 Abstract: Method for additively manufacturing at least one three-dimensional object (2) by means of successive layerwise selective irradiation and consolidation of build material layers by means of at least one energy beam (4), whereby each build material layer comprises at least one irradiation area (IA) which is to be selectively irradiated and thereby, selectively consolidated during the additive build-up of the three-dimensional object (2) to be additively manufactured, the irradiation area (IA) being subdivided into a number of irradiation sub-areas (ISA), wherein at least one irradiation sub-area (ISA) having the shape of a polygon, the polygon having at least five sides.
8
EP3539754A1
METHOD FOR ADDITIVELY MANUFACTURING AT LEAST ONE THREE-DIMENSIONAL OBJECT
Publication/Patent Number: EP3539754A1 Publication Date: 2019-09-18 Application Number: 18161837.2 Filing Date: 2018-03-14 Inventor: Dr., Hertel Kai   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/393 Abstract: Method for additively manufacturing at least one three-dimensional object (2) by means of successive layerwise selective irradiation and consolidation of layers of build material (3) applied in a build plane (BP) of an apparatus (1) for additively manufacturing three-dimensional objects (2) by means of at least one energy beam (4), whereby - a process gas stream being capable of being charged with fume particles generated during selective irradiation and consolidation of respective layers of build material (3) streams across the build plane (BP), whereby the process gas stream is adapted to transport respective fume particles from a layer of build material (3) which are generated during selective irradiation and consolidation of the respective layer of build material (3); wherein - for at least one layer of build material (3) which comprises a first area (A1) which is to be irradiated and consolidated and at least one further area (A2) which is to be irradiated and consolidated, it is determined that the process gas stream being chargeable or charged with fume particles generatable or generated during irradiation and consolidation of at least one of the areas (A1 - An) which are to be irradiated and consolidated fulfils a pre-definable or pre-defined scheduling criterion; wherein - the start time for starting irradiating and consolidating of the first area (A1) and/or the start time for starting irradiating and consolidating the at least one further area (A2, An) is determined on the basis of the determination that the process gas stream has fulfilled the pre-definable or pre-defined scheduling criterion.
9
EP3474199A1
METHOD FOR OPERATING AN APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3474199A1 Publication Date: 2019-04-24 Application Number: 17197619.4 Filing Date: 2017-10-20 Inventor: Dr., Hertel Kai   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: G06Q10/06 Abstract: Method for operating at least one apparatus (1) for additively manufacturing of three-dimensional objects (2 - 5) by means of successive layerwise selective irradiation and consolidation of layers (6) of a build material which can be consolidated by means of an energy beam (12), wherein at least one object (2 - 5) is being built by successively irradiating layers (6) of the object (2 - 5) in a build plane (13), wherein at least one part (16 - 31) of at least one layer (6) of the object (2 - 5) is assigned to be irradiated by a first energy beam (12) and at least one other part (16 - 31) of at least one layer (6) of the object (2 - 5) is assigned to be irradiated by another energy beam (12), wherein the parts (16 - 31) of layers (6) are assigned to be irradiated by one of the at least two energy beams (12) based on a Huffman coding.
10
EP3431289A1
APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3431289A1 Publication Date: 2019-01-23 Application Number: 17182638.1 Filing Date: 2017-07-21 Inventor: Bauer, Maximilian   Hertel, Kai   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B33Y10/00 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, 5), wherein the apparatus (1) comprises a scanning unit (6) configured to scan the energy beam (4, 5) over at least a part of a build plane (7), a focusing unit (15) is provided that is configured to control a focal position (13, 14) of the energy beam (4, 5) via a positioning of at least one optical component of the focusing unit (15) and/or a positioning of the focusing unit (15) relative to the build plane (7).
11
US201922795A1
APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US201922795A1 Publication Date: 2019-01-24 Application Number: 20/181,604 Filing Date: 2018-07-20 Inventor: Bauer, Maximilian   Hertel, Kai   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, 5), wherein the apparatus (1) comprises a scanning unit (6) configured to scan the energy beam (4, 5) over at least a part of a build plane (7), a focusing unit (15) is provided that is configured to control a focal position (13, 14) of the energy beam (4, 5) via a positioning of at least one optical component of the focusing unit (15) and/or a positioning of the focusing unit (15) relative to the build plane (7).
12
US2019022795A1
APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2019022795A1 Publication Date: 2019-01-24 Application Number: 16/041,607 Filing Date: 2018-07-20 Inventor: Bauer, Maximilian   Hertel, Kai   Assignee: CONCEPT LASER GMBH   IPC: B23K26/04 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, 5), wherein the apparatus (1) comprises a scanning unit (6) configured to scan the energy beam (4, 5) over at least a part of a build plane (7), a focusing unit (15) is provided that is configured to control a focal position (13, 14) of the energy beam (4, 5) via a positioning of at least one optical component of the focusing unit (15) and/or a positioning of the focusing unit (15) relative to the build plane (7).
13
EP3573321A1
METHOD FOR PRODUCING A MACHINE-READABLE CONTROLLING AND/OR OPERATING MEANS
Publication/Patent Number: EP3573321A1 Publication Date: 2019-11-27 Application Number: 19186240.8 Filing Date: 2017-07-21 Inventor: Schumann, Philipp   Hertel, Kai   Voigt, Timo   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: H04N1/00 Abstract: Method for producing a machine-readable controlling and/or operating means (M) for controlling and/or operating at least one functionality of an apparatus (1) for additively manufacturing a three-dimensional object (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), comprising: - providing a specified data format which the machine-readable controlling and/or operating means (M) to be produced shall have or which the machine-readable controlling and/or operating means (M) to be produced means shall generate, - producing a provisional controlling and/or operating means (PM) having the specified data format or producing a provisional controlling and/or operating means (PM) which may generate data having the specified data format, - checking if the produced provisional controlling and/or operating means (PM) fulfils at least one pre-defined certification criterion, and - if the provisional controlling and/or operating means (PM) fulfils the at least one certification criterion, - producing the machine-readable controlling and/or operating means (M) by providing at least one certification key (K) to the provisional controlling and/or operating means (PM).
14
EP3432563A1
METHOD FOR PRODUCING A MACHINE-READABLE CONTROLLING AND/OR OPERATING MEANS
Publication/Patent Number: EP3432563A1 Publication Date: 2019-01-23 Application Number: 17182646.4 Filing Date: 2017-07-21 Inventor: Schumann, Philipp   Hertel, Kai   Voigt, Timo   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: H04N1/00 Abstract: Method for producing a machine-readable controlling and/or operating means (M) for controlling and/or operating at least one functionality of an apparatus (1) for additively manufacturing a three-dimensional object (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), comprising: - providing a specified data format which the machine-readable controlling and/or operating means (M) to be produced shall have or which the machine-readable controlling and/or operating means (M) to be produced means shall generate, - producing a provisional controlling and/or operating means (PM) having the specified data format or producing a provisional controlling and/or operating means (PM) which may generate data having the specified data format, - checking if the produced provisional controlling and/or operating means (PM) fulfils at least one pre-defined certification criterion, and - if the provisional controlling and/or operating means (PM) fulfils the at least one certification criterion, - producing the machine-readable controlling and/or operating means (M) by providing at least one certification key (K) to the provisional controlling and/or operating means (PM).
15
US2019022924A1
METHOD FOR PRODUCING A MACHINE-READABLE CONTROLLING AND/OR OPERATING MEANS
Publication/Patent Number: US2019022924A1 Publication Date: 2019-01-24 Application Number: 16/041,362 Filing Date: 2018-07-20 Inventor: Schumann, Philipp   Hertel, Kai   Voigt, Timo   Assignee: CONCEPT LASER GMBH   IPC: B29C64/135 Abstract: Method for producing a machine-readable controlling and/or operating means (M) for controlling and/or operating at least one functionality of an apparatus (1) for additively manufacturing a three-dimensional object (2) is provided which can be consolidated by means of an energy beam (4), including: providing a specified data format, producing a provisional controlling and/or operating means (PM), checking if the produced provisional controlling and/or operating means (PM) fulfils at least one pre-defined certification criterion, and if the provisional controlling and/or operating means (PM) fulfils the at least one certification criterion, producing the machine-readable controlling and/or operating means (M) by providing at least one certification key (K) to the provisional controlling and/or operating means (PM).
16
US201922924A1
METHOD FOR PRODUCING A MACHINE-READABLE CONTROLLING AND/OR OPERATING MEANS
Publication/Patent Number: US201922924A1 Publication Date: 2019-01-24 Application Number: 20/181,604 Filing Date: 2018-07-20 Inventor: Hertel, Kai   Voigt, Timo   Schumann, Philipp   Assignee: Concept Laser GmbH   IPC: B33Y30/00 Abstract: Method for producing a machine-readable controlling and/or operating means (M) for controlling and/or operating at least one functionality of an apparatus (1) for additively manufacturing a three-dimensional object (2) is provided which can be consolidated by means of an energy beam (4), including: providing a specified data format, producing a provisional controlling and/or operating means (PM), checking if the produced provisional controlling and/or operating means (PM) fulfils at least one pre-defined certification criterion, and if the provisional controlling and/or operating means (PM) fulfils the at least one certification criterion, producing the machine-readable controlling and/or operating means (M) by providing at least one certification key (K) to the provisional controlling and/or operating means (PM).