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1
EP3626432A1
METHOD FOR OPERATING AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3626432A1 Publication Date: 2020-03-25 Application Number: 18195569.1 Filing Date: 2018-09-19 Inventor: Reichenbacher, Markus   Vierling, Christoph   Strößner, Johannes   Hild, Christian   Dressel, Tobias   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.
2
US2020086558A1
METHOD FOR OPERATING AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
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.
3
DE102016121770A1
Vorrichtung zur additiven Herstellung dreidimensionaler Objekte
Title (English): Device for adding three-dimensional object
Publication/Patent Number: DE102016121770A1 Publication Date: 2018-05-17 Application Number: 102016121770 Filing Date: 2016-11-14 Inventor: Bechmann, Florian   Diller, Christian   Engel, Viktor   Dressel, Tobias   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B29C64/141 Abstract: Vorrichtung (1) zur additiven Herstellung dreidimensionaler Objekte (2) durch sukzessives schichtweises selektives Belichten und damit einhergehendes sukzessives schichtweises selektives Verfestigen von Baumaterialschichten aus einem vermittels eines Energiestrahls verfestigbaren Baumaterial (3) in einer vorrichtungsseitigen Prozesskammer (7) mit definierten Prozesskammerhöhe (H) aufweist, umfassend eine Strömungseinrichtung (8), welche zur Erzeugung einer die Prozesskammer (7) zwischen einem Einströmbereich (9) und einem Ausströmbereich (10) durchströmenden, insbesondere inerten, Gasströmung (11) eingerichtet ist, wobei die Gasströmung (11) die Prozesskammer (7) über die gesamte Prozesskammerhöhe (H) durchströmt, wobei die Gasströmung (11) in mehrere die Prozesskammer (7) parallel übereinander durchströmende Teilgasströmungen (11a - 11c), welche sich in wenigstens einem die Strömungseigenschaften der jeweiligen Teilgasströmungen (11a- 11c) betreffenden Strömungsparameter unterscheiden, aufgeteilt ist.
4
US2018133967A1
APPARATUS FOR ADDITIVE MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2018133967A1 Publication Date: 2018-05-17 Application Number: 15/811,452 Filing Date: 2017-11-13 Inventor: Diller, Christian   Engel, Viktor   Dressel, Tobias   Bechmann, Florian   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B33Y10/00 Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (2) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of construction material (3) that can be solidified by means of an energy beam in a process chamber (7) of the apparatus with a defined process chamber height (H), comprising a flow device (8) provided for generating an, especially inert, gas flow (11) flowing through the process chamber (7) between an inflow section (9) and an outflow section (10), wherein the gas flow (11) flows through the process chamber (7) across the entire process chamber height (H), wherein the gas flow (11) is subdivided into several partial gas flows (11a-11c) flowing through the process chamber (7) parallel on top of each other, which differ in at least one flow parameter affecting the flow characteristics of the respective partial gas flows (11a-11c).
5
EP3321009A1
APPARATUS FOR ADDITIVE MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3321009A1 Publication Date: 2018-05-16 Application Number: 17185010.0 Filing Date: 2017-08-04 Inventor: Dressel, Tobias   Diller, Christian   Engel, Viktor   Dr., Bechmann Florian   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B22F3/105 Abstract: Vorrichtung (1) zur additiven Herstellung dreidimensionaler Objekte (2) durch sukzessives schichtweises selektives Belichten und damit einhergehendes sukzessives schichtweises selektives Verfestigen von Baumaterialschichten aus einem vermittels eines Energiestrahls verfestigbaren Baumaterial (3) in einer vorrichtungsseitigen Prozesskammer (7) mit definierten Prozesskammerhöhe (H) aufweist, umfassend eine Strömungseinrichtung (8), welche zur Erzeugung einer die Prozesskammer (7) zwischen einem Einströmbereich (9) und einem Ausströmbereich (10) durchströmenden, insbesondere inerten, Gasströmung (11) eingerichtet ist, wobei die Gasströmung (11) die Prozesskammer (7) über die gesamte Prozesskammerhöhe (H) durchströmt, wobei die Gasströmung (11) in mehrere die Prozesskammer (7) parallel übereinander durchströmende Teilgasströmungen (11a - 11c), welche sich in wenigstens einem die Strömungseigenschaften der jeweiligen Teilgasströmungen (11a- 11c) betreffenden Strömungsparameter unterscheiden, aufgeteilt ist.