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1
US2021023620A1
Method For Producing A Three-Dimensional Component
Publication/Patent Number: US2021023620A1 Publication Date: 2021-01-28 Application Number: 17/060,745 Filing Date: 2020-10-01 Inventor: Herzog, Frank   Assignee: Concept Laser GmbH   IPC: B22F3/105 Abstract: The invention relates to a method for producing a three-dimensional component by an electron-beam, laser-sintering or laser-melting process, in which the component is created by successively solidifying predetermined portions of individual layers of building material that can be solidified by being exposed to the effect of an electron-beam or laser-beam source (2) by melting on the building material, wherein thermographic data records are recorded during the production of the layers, respectively characterizing a temperature profile of at least certain portions of the respective layer, and the irradiation of the layers takes place by means of an electron beam or laser beam (3), which is controlled on the basis of the recorded thermographic data records in such a way that a largely homogeneous temperature profile is produced, wherein, to irradiate an upper layer, a focal point (4) of the electron beam or laser beam (3) is guided along a scanning path (17), which is chosen on the basis of the data record characterizing the temperature profile of at least certain portions of the layer lying directly thereunder or on the basis of the data records characterizing the temperature profiles of at least certain portions of the layers lying thereunder.
2
US2021046547A1
POWDER MODULE FOR AN APPARATUS FOR ADDITIVE MANUFACTURING OF THREE-DIMENSIONAL OBJECT
Publication/Patent Number: US2021046547A1 Publication Date: 2021-02-18 Application Number: 17/078,358 Filing Date: 2020-10-23 Inventor: Herzog, Frank   Schödel, Frank   Bechmann, Florian   Assignee: Concept Laser GmbH   IPC: B22F3/105 Abstract: A powder module for an apparatus for additive manufacturing of three-dimensional objects, comprising a powder chamber limiting a powder room that can be filled with powdered construction material and a carrying device arranged in the powder room and limiting the powder room at the bottom, wherein between at least one powder chamber wall limiting the powder room and the carrying device a gap extending at least partially along the powder chamber wall limiting the powder room is formed, through which powdered construction material from the powder room can enter a powder module section lying below the carrying device, wherein the gap opens out into a receiving section of a receiving element arranged or formed on the powder chamber, wherein the receiving section is formed as or comprises an especially ring-shaped circumferential flow channel structure provided for receiving construction material from the gap.
3
US2021039202A1
METHOD FOR OPERATING AT LEAST ONE APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2021039202A1 Publication Date: 2021-02-11 Application Number: 17/072,291 Filing Date: 2020-10-16 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.
4
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.
5
US10921238B2
Device for determining at least one component parameter of a plurality of, particularly additively manufactured, components
Publication/Patent Number: US10921238B2 Publication Date: 2021-02-16 Application Number: 16/189,161 Filing Date: 2018-11-13 Inventor: Pilzweger, Florian   Assignee: CONCEPT LASER GMBH   IPC: G06K9/00 Abstract: Device (1) for determining at least one component parameter, particularly the density and/or a density-related parameter, of a plurality of, particularly additively manufactured, components (3), the device (1) comprising:—a supporting unit (2) configured to support a plurality of components (3) whose at least one component parameter is to be determined, the supporting unit (2) comprising a supporting unit base body (4) comprising a plurality of receiving sections (5) in a defined spatial relationship, whereby at least one receiving section (5) is configured to detachably receive a component (3) whose component parameter is to be determined; one component parameter of components (3) whose at least one component parameter is to be determined being received in respective receiving sections (5) of the supporting unit (2).
6
US2021053288A1
PLANT FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2021053288A1 Publication Date: 2021-02-25 Application Number: 17/091,857 Filing Date: 2020-11-06 Inventor: Bechmann, Florian   Hetzel, Ralf   Stammberger, Jens   Zeulner, Fabian   Hofmann, Alexander   Assignee: Concept Laser GmbH   IPC: B29C64/255 Abstract: A system (1) for additive manufacturing of three-dimensional objects, comprising one or more working stations (21), which are provided for performing at least one working process in the additive manufacturing of three-dimensional objects, at least one freely positionable mobile storage unit (2) comprising a rack-like storage device (4) comprising at least one storage room (5) provided for storing at least one powder module (6), especially for the purpose of conveying the powder module (6) between different working stations (21) of the system (1), and at least one driverless, freely movable mobile conveying unit (3) comprising a receiving device (12) provided for receiving at least one mobile storage unit (2) for the purpose of conveying the storage unit (2) between different working stations (21) of the system (1).
7
US10940642B2
Apparatus for manufacturing three-dimensional objects
Publication/Patent Number: US10940642B2 Publication Date: 2021-03-09 Application Number: 16/046,896 Filing Date: 2018-07-26 Inventor: Büchner, David   Assignee: CONCEPT LASER GMBH   IPC: B29C64/371 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material (2) which can be consolidated by means of an energy beam, with a process chamber (3) comprising at least a first and a second region (4, 5), wherein in the first region (4) build material (2) is applied and irradiated on a build plane (6), wherein a stream generating unit is provided that is configured to generate a stream of process gas (10) in the process chamber (3) separating the first region (4) from the second region (5).
8
US10882113B2
Apparatus for additive manufacturing of three-dimensional objects
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).
9
US10953604B2
System and method for additive production of three-dimensional objects with graphical display
Publication/Patent Number: US10953604B2 Publication Date: 2021-03-23 Application Number: 15/911,766 Filing Date: 2018-03-05 Inventor: Schumann, Philipp   Hetzel, Ralf   Traut, Tanja   Assignee: CONCEPT LASER GMBH   IPC: B29C64/393 Abstract: Apparatus for the additive production of three-dimensional objects by successive layerwise selective exposure and consequent successive layerwise selective solidification of construction material layers of a construction material that can be solidified by means of an energy beam, comprising: —an exposure device, which is configured in order to generate an energy beam for the successive layerwise selective exposure and consequent successive layerwise selective solidification of construction material layers of a construction material that can be solidified by means of the energy beam, and—a measuring device for measuring a temperature, wherein the measuring device is configured in order to measure a temperature at at least one measurement point, the measurement point being assigned to at least one three-dimensional object formed at least partially from solidified construction material or to at least one object section formed in the scope of the additive production of an object to be produced additively.
10
US10914626B2
Portable measuring unit
Publication/Patent Number: US10914626B2 Publication Date: 2021-02-09 Application Number: 16/104,515 Filing Date: 2018-08-17 Inventor: Zeulner, Fabian   Assignee: CONCEPT LASER GMBH   IPC: G01J1/42 Abstract: Portable measuring unit (1) for performing a measuring process for an apparatus for additively manufacturing of 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, with a holding unit (2) configured for holding an image detection unit (3) in a position relative to a sample, wherein the image detection unit (3) is configured to measure an irradiation pattern of the sample (10) previously irradiated by the apparatus, wherein the portable measuring unit (1) is arbitrarily assignable to the or an apparatus.
11
US10919226B2
Powder module for an apparatus for additive manufacturing of three-dimensional objects
Publication/Patent Number: US10919226B2 Publication Date: 2021-02-16 Application Number: 16/863,424 Filing Date: 2020-04-30 Inventor: Herzog, Frank   Schödel, Frank   Bechmann, Florian   Assignee: Concept Laser GmbH   IPC: B29C64/255 Abstract: A powder module for an apparatus for additive manufacturing of three-dimensional objects may include a powder chamber defining a powder room configured to receive a powdered construction material, a support structure configured to support the powder chamber, a carrying device disposed within the powder room and defining a bottom portion of the powder room, the carrying device being movably supported relative to the powder chamber, and a drive device configured to move the carrying device relative to the powder chamber. A maximum traveling distance of the carrying device may be from 800 millimeters to 2,000 millimeters. An apparatus for additive manufacturing of three-dimensional objects may include an aforementioned powder module.
12
US2021016513A1
Apparatus For Additively Manufacturing Three-Dimensional Objects
Publication/Patent Number: US2021016513A1 Publication Date: 2021-01-21 Application Number: 17/063,944 Filing Date: 2020-10-06 Inventor: Bechmann, Florian   Bokkes, Tobias   Schumann, Philipp   Popp, Alexandra   Ebert, Marie-christin   Assignee: Concept Laser GmbH   IPC: B29C64/393 Abstract: An apparatus for additively manufacturing three-dimensional objects may include a first detection device configured to detect a first process parameter during operation of the apparatus, and to generate a first data set comprising information relating to the first process parameter, a second detection device configured to detect a second process parameter during operation of the apparatus, and to generate a second data set comprising information relating to the second process parameter; and a data processing device configured to determine a mutual dependency between the first process parameter and the second process parameter based at least in part on the first data set and the second data set. The mutual dependency may include a possible influence or a real influence of the first process parameter on the second process parameter. The first process parameter may include a chemical parameter and/or a physical parameter of an atmosphere within a process chamber of the apparatus. The second process parameter may include a chemical parameter, a geometrical parameter, and/or a physical parameter of build material during operation of the apparatus.
13
US2021039165A1
APPARATUS FOR ADDITIVE MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2021039165A1 Publication Date: 2021-02-11 Application Number: 17/069,119 Filing Date: 2020-10-13 Inventor: Stammberger, Jens   Hofmann, Alexander   Winiarski, Daniel   Assignee: Concept Laser GmbH   IPC: B22F3/105 Abstract: An additive manufacturing apparatus may include a process chamber, a coating device, a shielding device, and a guiding device. The process chamber may include first and second working plane areas. The first working plane area may include a construction plane, and the second working plane area may house at least a part of the guiding device. The coating device may include a coating element assembly group that is, movably supported relative to the construction plane by the guiding device, and at least one coating element configured to form construction material layers in the construction plane. The shielding device may shield the second working plane area from intrusion of construction material or impurities from the first working plane area. The shielding device may include a shielding band, and the shielding band may be coupled for movement with the coating element assembly group. The shielding band may be guided movably along a plurality of supporting points that define an interior region of the second working plane area, and the guiding device may be arranged or formed above the first working plane area.
14
US10953437B2
Screening device for the generative manufacturing of components
Publication/Patent Number: US10953437B2 Publication Date: 2021-03-23 Application Number: 16/080,184 Filing Date: 2017-02-02 Inventor: Herzog, Frank   Bechmann, Florian   Schödel, Frank   Assignee: Concept Laser GMBH   IPC: B07B13/16 Abstract: The invention concerns a sieve device for use in a device for generative manufacture of components by means of successive solidification of individual layers of powdered solidifiable construction material by exposure to radiation through sector by sector melting or fusing and binding of the construction material the sieve device is configured at least in sections to be inclined in a way that the construction material after appearance on the sieve slows or is reduced to a lower velocity over the surface of the sieve.
15
US10933621B2
Apparatus for additively manufacturing of three-dimensional objects
Publication/Patent Number: US10933621B2 Publication Date: 2021-03-02 Application Number: 16/056,184 Filing Date: 2018-08-06 Inventor: Schödel, Frank   Pontiller-schymura, Peter   Eichenberg, Boris   Assignee: CONCEPT LASER GMBH   IPC: B33Y30/00 Abstract: Apparatus (1, 14) 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 the energy beam (4) is guided onto a build plane (5) via an irradiation device (6), wherein an evaluation unit (11) is provided that is adapted to determine spectral information of radiation (12) emitted in the manufacturing process.
16
US10780522B2
Method for automatable or automated determination of the focal position of a laser beam generated by an exposure device
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.
17
US10760958B2
Method for additively manufacturing of three-dimensional objects
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).
18
US10730234B2
Apparatus for additively manufacturing of three-dimensional components
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.
19
US2020061924A1
DETERMINATION DEVICE FOR DETERMINING A SCAN VELOCITY OF AN ENERGY BEAM
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′).
20
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.
Total 18 pages