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1 | US10882135B2 |
Apparatus for additively manufacturing of three-dimensional objects
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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. | |||
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2 | US10882113B2 |
Apparatus for additive manufacturing of three-dimensional objects
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Publication/Patent Number: US10882113B2 | Publication Date: 2021-01-05 | Application Number: 16/145,384 | Filing Date: 2018-09-28 | Inventor: Stammberger, Jens Hofmann, Alexander Winiarski, Daniel | Assignee: Concept Laser GmbH | IPC: B22F3/10 | Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (3) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of construction material (4) that can be solidified by means of an energy beam. The apparatus can include a process chamber (14) comprising a working plane (A) with a first working plane area (A1) and another working plane area (A2), a coating device (6) provided for forming construction material layers to be exposed selectively and to be solidified selectively in the construction plane (E) and comprising a coating element assembly group (8) which is movably supported, at least one coating element, a shielding device (18) provided for shielding the second working plane area (A2), wherein the shielding device (18) can include at least one shielding band (20) guided movably along supporting points (19). | |||
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3 | US2020307104A1 |
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
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Publication/Patent Number: US2020307104A1 | Publication Date: 2020-10-01 | Application Number: 16/832,371 | Filing Date: 2020-03-27 | Inventor: Hunze, Stephan Junge, Jens Scherr, Mariatheresia | Assignee: Concept Laser GmbH | IPC: B29C64/393 | Abstract: An apparatus for additively manufacturing three-dimensional objects formed of successive layerwise consolidation of layers of a build material which can be consolidated by an energy beam. The apparatus may include a determination device confirmed to determine at least one parameter of the energy beam for a specific build material, wherein the determination device comprises at least one determination base body arrangeable or arranged in a beam guiding plane, in particular a build plane; and a tempering unit confirmed to temper the determination base body. Determination devices, along with methods, are also provided for determining at least one parameter of an energy beam of an apparatus for additively manufacturing three-dimensional objects. | |||
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4 | US2020164580A1 |
METHOD FOR ADDITIVELY MANUFACTURING AT LEAST ONE THREE-DIMENSIONAL OBJECT
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Publication/Patent Number: US2020164580A1 | Publication Date: 2020-05-28 | Application Number: 16/294,900 | Filing Date: 2019-03-06 | Inventor: Werner, Jürgen | Assignee: CONCEPT LASER GMBH | IPC: B29C64/268 | 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 (3), whereby at least one build material layer (3) which is to be selectively irradiated and consolidated comprises a plurality of irradiation zones (IZ) being separately irradiatable and consolidatable with at least one energy beam (5a, 5b), comprising assigning a parameter (P1-P4) indicative of the time required for irradiating a respective irradiation zone to a plurality of irradiation zones (IZ1-IZ4) of the respective build material layer (3), assigning at least one first energy beam (5a) to the irradiation zone (IZ1) whose parameter (P1) indicates that the irradiation zone (IZ1-IZ4) has the longest time required for irradiating and irradiating this irradiation zone (IZ1) with the at least one first energy beam (5a), assigning at least one second energy beam (5b) to the irradiation zone (IZ2) whose parameter (P2) indicates that the irradiation zone has the second longest time required for irradiating and irradiating this irradiation zone (IZ2) with the at least one second energy beam (5b), wherein after irradiation and consolidating the irradiation zone (IZ2) whose parameter indicates that the irradiation zone (IZ2) has the second longest time required for irradiating and irradiating with the at least one second energy (5b) beam is completed, assigning the at least one second energy beam (5b) to the irradiation zone (IZ3) whose parameter (P3) indicates that the irradiation zone (IZ3) has the third longest time required for irradiating and | |||
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5 | US2020086558A1 |
METHOD FOR OPERATING AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
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Publication/Patent Number: US2020086558A1 | Publication Date: 2020-03-19 | Application Number: 16/291,714 | Filing Date: 2019-03-04 | Inventor: Reichenbacher, Markus Vierling, Christoph Hild, Christian Dressel, Tobias StrÖssner, Johannes | Assignee: CONCEPT LASER GMBH | IPC: B29C64/153 | Abstract: Method for operating an apparatus (1) for additively manufacturing 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 (5), wherein at least one region in a build plane (6) is irradiated in the additive manufacturing process, wherein an interrupted state of the additive manufacturing process is determined and a defined amount of energy is deposited in at least one previously irradiated region (7, 8) of the build plane (6) in an interrupted state of the additive manufacturing process. | |||
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6 | US2020031054A1 |
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
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Publication/Patent Number: US2020031054A1 | Publication Date: 2020-01-30 | Application Number: 16/289,656 | Filing Date: 2019-03-01 | Inventor: PrÖbstle, Martin Appel, Peter Mahr, Jochen StrÖßner, Johannes Rommel, Daniel | Assignee: CONCEPT LASER GMBH | IPC: B29C64/371 | Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2, 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 source, which apparatus (1) comprises a stream generating device (6) that is adapted to generate a gas stream (7, 7′) inside a process chamber (5) of the apparatus (1), wherein the stream generating device (6) is adapted to control at least one parameter relating to a composition of the gas stream (7, 7′). | |||
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7 | US2020047413A1 |
SEPARATING DEVICE
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Publication/Patent Number: US2020047413A1 | Publication Date: 2020-02-13 | Application Number: 16/290,943 | Filing Date: 2019-03-03 | Inventor: Braunroth, Domenik Beck, Moritz | Assignee: CONCEPT LASER GMBH | IPC: B29C64/379 | Abstract: Separating device (1) for separating at least one object (2-10) from an object carrier (11), in particular for separating an additively built three-dimensional object (2-10) from a build plate, preferably built via an apparatus for additively manufacturing three-dimensional objects (2-10) by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy source, which separating device (1) comprises at least one separating element (12) that is adapted to remove material for separating the at least one object (2-10) from the object carrier (11), wherein a control unit (15) is provided that is adapted to control at least one operational parameter of the at least one separating device (1), in particular a feed rate and/or a cutting rate of the separating element (12), dependent on at least one object parameter of the at least one object (2-10). | |||
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8 | US2020023583A1 |
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
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Publication/Patent Number: US2020023583A1 | Publication Date: 2020-01-23 | Application Number: 16/280,340 | Filing Date: 2019-02-20 | Inventor: Hunze, Stephan Eichenberg, Boris | Assignee: CONCEPT LASER GMBH | IPC: B29C64/268 | Abstract: Apparatus (1) for additively manufacturing 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, wherein an irradiation device (4) is provided that is adapted to generate at least two coherent energy beams (7), wherein the irradiation device (4) comprises a modulation unit (5) that is adapted to combine the at least two energy beams (7) to a combined energy beam (8) and to adjust at least one combined beam property of the combined energy beam (8). | |||
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9 | US2020331199A1 |
PRODUCTION SYSTEM FOR THE SIMULTANEOUS ADDITIVE MANUFACTURING OF SEVERAL COMPONENTS
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Publication/Patent Number: US2020331199A1 | Publication Date: 2020-10-22 | Application Number: 16/908,812 | Filing Date: 2020-06-23 | Inventor: Herzog, Frank | Assignee: Concept Laser GmbH | IPC: B29C64/153 | Abstract: Methods of additively manufacturing components include providing a first control command and/or a second control command to a cart selected from among a plurality of carts. The first control command may be configured to cause the selected cart to autonomously drive or fly to a construction container selected from among a plurality of construction containers and to receive automatically the selected construction container, and, upon the selected cart receiving automatically the selected construction container, to autonomously drive or fly the selected cart to a construction apparatus selected from among a plurality of construction apparatuses. The second control command may be configured to cause the selected cart to autonomously drive or fly to the selected construction apparatus and to receive automatically a construction container containing a component having been additively manufactured by the selected construction apparatus upon the selected construction apparatus automatically discharging the construction container containing the component. | |||
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10 | US10807195B2 |
Method for operating at least one apparatus for additively manufacturing three-dimensional objects
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Publication/Patent Number: US10807195B2 | Publication Date: 2020-10-20 | Application Number: 15/939,198 | Filing Date: 2018-03-28 | Inventor: Döhler, Tim | Assignee: CONCEPT LASER GMBH | IPC: B23K26/342 | Abstract: Method for operating at least one apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material (3) which can be consolidated by means of an energy beam (4), whereby waste thermal energy (WTE) is generated during operation of the at least one apparatus (1), characterized in that the waste thermal energy (WTE) is at least partly used for generating electrical or mechanical energy (EE, ME) by means of at least one energy converting device (15) and/or the waste thermal energy (WTE) is at least partly used for operating at least one thermal energy consuming device. | |||
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11 | EP3666523A1 |
METHOD FOR CALIBRATING AN IRRADIATION DEVICE FOR AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
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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. | |||
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12 | EP3686009A1 |
POWDER MODULE FOR AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
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Publication/Patent Number: EP3686009A1 | Publication Date: 2020-07-29 | Application Number: 19153790.1 | Filing Date: 2019-01-25 | Inventor: Pfister, Frank Beck, Moritz Ulbrich, Sarah | Assignee: Concept Laser GmbH | IPC: B33Y30/00 | Abstract: Powder module (1) for an apparatus (2) for additively manufacturing three-dimensional objects, which powder module (1) comprises a holding device (5) adapted to hold a build plate (3) of the powder module (1), wherein the holding device (5) comprises at least one clamping unit (6) connectable with and disconnectable from a recess (7) in the build plate (3), wherein the clamping unit (6) is moveable between a first position in which the clamping unit (6) is connected with the build plate (3) and a second position in which the clamping unit (6) is disconnected from the recess (7). | |||
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13 | EP3626433A1 |
METHOD FOR CALIBRATING AN IRRADIATION DEVICE
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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). | |||
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14 | EP3613564A1 |
DETERMINATION DEVICE FOR DETERMINING A SCAN VELOCITY OF AN ENERGY BEAM
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Publication/Patent Number: EP3613564A1 | Publication Date: 2020-02-26 | Application Number: 18190312.1 | Filing Date: 2018-08-22 | Inventor: Burggraf, Udo | Assignee: Concept Laser GmbH | IPC: B29C64/393 | Abstract: Determination device (9) for determining a scan velocity of an energy beam (5) 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 (5), wherein the determination device (9) comprises a determination unit (10) that is arrangeable or arranged in a process chamber (7) of an apparatus (1) for additively manufacturing three-dimensional objects, wherein the determination device (9) is adapted to determine a scan velocity with which the energy beam (5) is guided along a closed scan path (14, 14') based on the scan time required for guiding the energy beam (5) along the closed scan path (14, 14'). | |||
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15 | EP3608083A1 |
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
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Publication/Patent Number: EP3608083A1 | Publication Date: 2020-02-12 | Application Number: 18188568.2 | Filing Date: 2018-08-10 | Inventor: Döhler, Tim | Assignee: Concept Laser GmbH | IPC: B29C64/153 | Abstract: Apparatus (1) for additively manufacturing 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 source (4), comprising a build material application unit (9) that is adapted to receive, in particular powdery, build material (3) and adapted to apply at least one build material layer in a build plane (8), wherein a determination device (17) with at least one determination unit (18) connected in advance to the build material application unit (9) with respect to the build material flow direction (20), wherein the determination unit (18) is adapted to determine at least one build material parameter of at least one part of the build material (3) provided to the build material application unit (9). | |||
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16 | US202031050A1 |
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
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Publication/Patent Number: US202031050A1 | Publication Date: 2020-01-30 | Application Number: 20/191,628 | Filing Date: 2019-02-21 | Inventor: Werner, Jürgen | Assignee: Concept Laser GmbH | IPC: B33Y40/00 | Abstract: Apparatus (1) for additively manufacturing 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 (6, 6′) generated via an irradiation device (4), wherein the irradiation device (4) comprises at least one beam guiding unit (7, 7′) that is adapted to guide the energy beam (6, 6′) across a build plane (9) in which build material (3) is applied to be irradiated, wherein the at least one beam guiding unit (7, 7′) is arranged behind a point of impact (20) of the energy beam (6, 6′) in the build plane (9), in particular all possible points of impact (20), with respect to a streaming direction (16) of the gas stream (13) streaming over the build plane (9). | |||
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17 | US10780522B2 |
Method for automatable or automated determination of the focal position of a laser beam generated by an exposure device
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Publication/Patent Number: US10780522B2 | Publication Date: 2020-09-22 | Application Number: 15/809,883 | Filing Date: 2017-11-10 | Inventor: Bechmann, Florian Stark, Markus Zeulner, Fabian | Assignee: Concept Laser GmbH | IPC: B23K26/03 | Abstract: A method for automatable or automated determination of the focal position of a laser beam (2) including the following steps: —arranging a substrate (10) in a first exposure position (z1), and exposing the substrate (10) with at least one exposure vector (13) in the first exposure position (z1), —moving the substrate (10) into several other exposure positions, in which the substrate (10) is respectively arranged in another certain z-axis position (zn) relative to the reference point (11), and respectively exposing the substrate (10) with at least one exposure vector (13) in the respective other exposure positions (zn), —optically evaluating the exposure pattern (12) by detecting different contrast sections in the exposure pattern (12) that can be optically detected, —determining the focal position of the laser beam (2) based on the detected optical contrast sections. | |||
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18 | US10760958B2 |
Method for additively manufacturing of three-dimensional objects
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Publication/Patent Number: US10760958B2 | Publication Date: 2020-09-01 | Application Number: 16/016,311 | Filing Date: 2018-06-22 | Inventor: Hetzel, Ralf Hoch, Johanna Batyi, Benjamin | Assignee: Concept Laser GmbH | IPC: G01J1/42 | Abstract: Apparatus (1) for additively producing three-dimensional objects (2) by successive layer-by-layer selective exposure and, accompanying this, successive layer-by-layer selective solidification of construction material layers made of a construction material (3) that can be solidified by means of an energy beam (4), including an exposure device (6) which is configured to produce an energy beam (4) for successive layer-by-layer selective exposure and, accompanying this, successive layer-by-layer selective solidification of construction material layers made of a construction material (3) that can be solidified by means of the energy beam (4), a measuring device (13) that is assignable or assigned to the exposure device (6) and configured to measure the power of the energy beam (4) that is produced by the exposure device (6), wherein the measuring device (13) comprises a measuring element (15) that comprises an energy beam input face (16), and at least an energy beam widening device (17). | |||
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19 | US10730234B2 |
Apparatus for additively manufacturing of three-dimensional components
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Publication/Patent Number: US10730234B2 | Publication Date: 2020-08-04 | Application Number: 15/703,610 | Filing Date: 2017-09-13 | Inventor: Herzog, Frank Bechmann, Florian Pontiller-schymura, Peter | Assignee: Concept Laser GmbH | IPC: B29C64/357 | Abstract: An apparatus for additive manufacturing of three-dimensional components by successive, selective layer-by-layer exposure. Solidifying construction material layers of a construction material can be solidified by means of an energy beam in a process chamber, wherein the process chamber can be flown through or is flown through by an, especially inert, gas flow generated by a flow generation device, wherein with the gas flow and construction material particles resulting a particle mixture can be formed or is formed, wherein the particle mixture includes at least three construction material fractions differing in at least one construction material particle parameter, especially particle size and/or particle density, comprising a separation device, which is provided for separating the respective construction material particle fractions from the particle mixture by means of visual inspection, wherein the separation device comprises at least three separation sections each serving the separation of a certain construction material particle fraction. | |||
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20 | US2020061924A1 |
DETERMINATION DEVICE FOR DETERMINING A SCAN VELOCITY OF AN ENERGY BEAM
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Publication/Patent Number: US2020061924A1 | Publication Date: 2020-02-27 | Application Number: 16/290,959 | Filing Date: 2019-03-04 | Inventor: Burggraf, Udo | Assignee: CONCEPT LASER GMBH | IPC: B29C64/393 | Abstract: Determination device (9) for determining a scan velocity of an energy beam (5) 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 (5), wherein the determination device (9) comprises a determination unit (10) that is arrangeable or arranged in a process chamber (7) of an apparatus (1) for additively manufacturing three-dimensional objects, wherein the determination device (9) is adapted to determine a scan velocity with which the energy beam (5) is guided along a closed scan path (14, 14′) based on the scan time required for guiding the energy beam (5) along the closed scan path (14, 14′). |