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1. 发明授权

US11911852B2 Analysis of laser beams in systems for a generative manufacturing process 有权
公开(公告)号：US11911852B2
公开(公告)日：2024-02-27
申请号：US16306430
申请日：2017-01-25
申请人： Primes GmbH Meßtechnik für die Produktion mit Laserstrahlung
发明人： Reinhard Kramer , Otto Märten , Stefan Wolf , Roman Niedrig
IPC分类号： B23K26/70 , B23K26/042 , B29C64/135 , B29C64/386 , B23K26/082 , B33Y10/00 , B33Y30/00 , B29C64/153 , G01J1/42 , B29C64/268 , G01J1/04 , B23K26/03 , B23K26/342 , B23K26/06 , B29C67/00 , G02B26/10 , G01J1/02 , B22F10/28 , B22F12/44 , B22F12/49 , B22F12/90 , B22F10/31
CPC分类号： B23K26/705 , B22F10/28 , B22F10/31 , B22F12/44 , B22F12/49 , B22F12/90 , B23K26/032 , B23K26/042 , B23K26/0648 , B23K26/082 , B23K26/342 , B29C64/135 , B29C64/153 , B29C64/268 , B29C64/386 , B29C67/00 , B33Y10/00 , B33Y30/00 , G01J1/0266 , G01J1/0411 , G01J1/0414 , G01J1/4228 , G01J1/4257 , G02B26/101 , B22F2999/00 , G01J2001/4261 , Y02P10/25
摘要： The invention relates to a method and a device for the analysis of energy beams in systems for the additive manufacture of components (70) by means of layered solidification of a construction material (55) by an energy beam (30). The invention enables a determination of position-related beam data directly with respect to the processing point during the machining process. An additive manufacturing system includes a beam deflecting device (40), a processing plane (45), and a layer applicator (60). The device according to the invention comprises a movable beam barrier (17), a movable beam sampling module (20) and a measuring device (10) with a radiation detector (12).

2. 发明授权

US10508950B2 Transparent measuring probe for beam scanning 有权
公开(公告)号：US10508950B2
公开(公告)日：2019-12-17
申请号：US16063261
申请日：2016-11-29
申请人： Primes GmbH Meßtechnik für die Produktion mit laserstrahlung
发明人： Reinhard Kramer , Otto Märten , Stefan Wolf , Roman Niedrig
IPC分类号： G01J1/42 , G01J1/04
摘要： The invention relates to a measuring probe for scanning light beams (10) or laser beams. The measuring probe is suitable for scanning laser beams with very high power and for determining geometric parameters of a light beam (10) with high spatial resolution. For this purpose, a device is proposed which comprises a body (20), a probe area (30) and a detector (40). The body (20) is made of an optically transparent material and has a light beam entry surface (22), a light beam exit surface (23) and a detection light exit surface (25). The light beam entry surface (22) and the light beam exit surface (23) are for the most part smooth and polished. The body (20) includes the probe area (30) having light-deflecting structuring. The detector (40) is designed to detect at least part of the beam portion (15) deflected from the light beam (10) by the probe area (30). The body (20) and the light beam (10) are movable in two different directions of movement (51, 52) perpendicular to the direction of the axis (11) of the light beam (10) relative to each other. The probe area (30) has a shape whose two-dimensional projection on a surface perpendicular to the axis (11) of the light beam (10) approximately the same dimensions in the two different directions of movement (51, 52) perpendicular to the axis (11) of the light beam (10).

3. 发明申请

US20190217422A1 Analysis of Laser Beams in Systems for a Generative Manufacturing Process 审中-公开
公开(公告)号：US20190217422A1
公开(公告)日：2019-07-18
申请号：US16306430
申请日：2017-01-25
申请人： Primes GmbH Meßtechnik Für die Produktion mit Laserstrahlung
发明人： Reinhard Kramer , Otto Märten , Stefan Wolf , Roman Niedrig
IPC分类号： B23K26/70 , B23K26/042 , B29C64/135 , B29C64/386 , B23K26/082
CPC分类号： B23K26/705 , B22F3/1055 , B22F2003/1056 , B22F2003/1057 , B22F2999/00 , B23K26/032 , B23K26/042 , B23K26/0648 , B23K26/082 , B23K26/342 , B29C64/135 , B29C64/153 , B29C64/268 , B29C64/386 , B29C67/00 , B33Y10/00 , B33Y30/00 , G01J1/0266 , G01J1/0411 , G01J1/0414 , G01J1/4228 , G01J1/4257 , G01J2001/4261 , G02B26/101 , Y02P10/295 , B22F2203/00 , B22F2202/11
摘要： The invention relates to a method and a device for the analysis of energy beams in systems for the additive manufacture of components (70) by means of layered solidification of a construction material (55) by an energy beam (30). The invention enables a determination of position-related beam data directly with respect to the processing point during the machining process. An additive manufacturing system includes a beam deflecting device (40), a processing plane (45), and a layer applicator (60). The device according to the invention comprises a movable beam barrier (17), a movable beam sampling module (20) and a measuring device (10) with a radiation detector (12). The method includes the following procedure steps. The beam barrier (17) and the beam sampling module (20) are positioned in the beam path between the beam deflecting device (40) and at least one selected processing coordinate (44) in the processing plane (45). The beam deflecting device (40) is aligned with the selected processing coordinate (44) and the energy beam (30) is turned on for a limited period of time. At least a portion of the beam (32) aligned by the beam deflecting device (40) toward the selected processing coordinate (44) is directed to the measuring device (10) with the radiation detector (12). At least one beam datum is determined by means of the measuring device (10). The process steps are performed during a production process of the component (70) in a period of time before or after solidification of a single layer of the component (70).

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