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公开(公告)号：EP3597401A1
公开(公告)日：2020-01-22
申请号：EP19194706.8
申请日：2017-08-25
IPC分类号： B29C64/153 , B29C64/268 , B29C64/386 , B33Y50/00 , B33Y30/00
摘要： 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).
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公开(公告)号：EP3524410A1
公开(公告)日：2019-08-14
申请号：EP18155597.0
申请日：2018-02-07
发明人： Hunze, Stephan , Zeulner, Fabian
IPC分类号： B29C64/386 , B33Y30/00 , B33Y50/00 , B29C64/268 , B22F3/105
摘要： 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) that is guided inside a process chamber (6) of the apparatus (1), wherein a determination device (7, 8) is provided that is arranged inside the process chamber (6) and adapted to determine at least one parameter of the energy beam (5), preferably during an additive manufacturing process, in particular during a process step of the additive manufacturing process in which build material (3) is applied onto a build plane (11) of the apparatus (1).
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公开(公告)号：EP3495143A1
公开(公告)日：2019-06-12
申请号：EP17206268.9
申请日：2017-12-08
发明人： Bokkes, Tobias , Schumann, Philipp , Hunze, Stephan , Klaußner, Tim , Zeulner, Fabian , Ebert, Marie-Christin
IPC分类号： B33Y10/00 , B22F3/105 , B33Y30/00 , B33Y50/00 , B33Y40/00 , B29C64/153 , B29C64/386 , B29C64/30 , B29C64/268
摘要： 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 at least one energy beam (4), which apparatus (1) comprises an irradiation device (5) with at least one beam guiding element (7) on which the energy beam (4) is partially reflected, wherein a first beam part (10) extends between the beam guiding element (7) and a build plane (18) of the apparatus (1) and a second beam part (11) is transmitted through or scattered at the beam guiding element (7), wherein a determination device (12) is provided that is adapted to determine at least one parameter of the second beam part (11).
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公开(公告)号：EP3524408A1
公开(公告)日：2019-08-14
申请号：EP18155596.2
申请日：2018-02-07
发明人： Hunze, Stephan
IPC分类号： B29C64/268 , B29C64/153 , B29C64/393 , B33Y50/02 , B22F3/105 , G02B7/28
摘要： 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 a determination device (6) is provided that is adapted to determine at least one parameter relating to a focal position (7) of the energy beam (5) and/or a deviation from a nominal focal position, wherein the determination is based on an angular deviation of at least one part of the energy beam (5) relative to a nominal angle.
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公开(公告)号：EP3495117A1
公开(公告)日：2019-06-12
申请号：EP17206272.1
申请日：2017-12-08
发明人： Hunze, Stephan , Ebert, Marie-Christin , Bokkes, Tobias , Zeulner, Fabian , Schumann, Philipp , Klaußner, Tim
IPC分类号： B29C64/393 , B22F3/105 , B29C64/153 , B33Y10/00 , B33Y30/00 , B33Y50/02
摘要： Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation (8) and consolidation of layers of a build material (3) which can be consolidated by means of an energy source, comprising a determination device (13) adapted to determine at least one parameter of radiation (8) emitted from a build plane (6), wherein an optical unit (19) is provided that is adapted to guide at least a part of the radiation (8) emitted from the build plane (6) to a determination unit (14, 15) of the determination device (13) and to reduce radiation (10) emitted from at least a central part of a consolidation zone (9) of the build plane (6) in the at least one guided part of the radiation (8).
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