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    STRAHLFORMUNGSEINHEIT ZUR FOKUSSIERUNG EINES LASERSTRAHLS UND VERFAHREN ZU IHRER ANSTEUERUNG
    6.
    发明公开
    STRAHLFORMUNGSEINHEIT ZUR FOKUSSIERUNG EINES LASERSTRAHLS UND VERFAHREN ZU IHRER ANSTEUERUNG 有权
    波束形成单元聚焦的激光束和控制方法研究

    公开(公告)号：EP2560783A1

    公开(公告)日：2013-02-27

    申请号：EP11715904.6

    申请日：2011-04-13

    申请人： Trumpf Werkzeugmaschinen GmbH + Co. KG

    发明人： RUPP, Thomas ,  BRAUN, Jens ,  VEES, Dominik ,  WEICK, Jürgen-Michael ,  BURGER, Dieter

    IPC分类号： B23K26/14 ,  B23K26/073

    CPC分类号： G02B15/14 ,  B23K26/046 ,  B23K26/073 ,  B23K26/14 ,  B23K26/38 ,  G02B7/08 ,  G02B27/09

    摘要： The invention relates to a beam-forming unit (1) for focussing a laser beam (3) on a workpiece (9) for laser machining, comprising: a first optical element (5) which the laser beam (3) strikes, a second optical element (7) which is arranged downstream of the first optical element (5) in the beam propagation direction, and focussing optics (8) arranged downstream of the second optical element (7) in the beam propagation direction, wherein a first focus setting device (10) for setting a focus diameter (D) by influencing the first optical element (5) is assigned to the first optical element (5), wherein a second focus setting device (12) for setting a focus length in the beam propagation direction of the laser beam (3) by influencing the second optical element (7) is assigned to the second optical element (7), and wherein the laser beam (3) is reproduced on the second optical element (7) by the first optical element (5) via an intermediate focus (6). The invention also relates to a method for activating the beam-forming unit (1).

    LASERBEARBEITUNGSMASCHINE MIT REDUNDANTEN ACHSEN
    7.
    发明公开
    LASERBEARBEITUNGSMASCHINE MIT REDUNDANTEN ACHSEN 有权
    具有冗余AXES激光加工机

    公开(公告)号：EP2473316A1

    公开(公告)日：2012-07-11

    申请号：EP10778835.8

    申请日：2010-09-03

    申请人： TRUMPF Werkzeugmaschinen GmbH & Co. KG

    发明人： BRAUN, Jens ,  RUPP, Thomas ,  VEES, Dominik

    IPC分类号： B23K26/06 ,  B23K26/08 ,  B23K37/02

    CPC分类号： B23K26/0853 ,  B23K26/06 ,  B23K26/0876 ,  B23K37/0235

    摘要： In the case of a laser processing machine (1) for processing workpieces (2) by means of a laser beam (3), comprising a work support (4) for workpieces (2) to be processed, a traversing unit (5), which can be made to traverse along one or a least two main axes (X, Y) in relation to the work support (4), and an optical processing unit (6), which is provided on the traversing unit (5) and focuses the laser beam (3) on the workpiece (2) to be processed, it is provided that the processing unit (6) is mounted pivotably at its one end (6a) with respect to the work support (4) on the traversing unit (5) about one or at least two additional axes (A, B), that a drive (7) is respectively provided for each additional axis (A, B) on the traversing unit (5) or on the processing unit (6) for deflecting the other end (6b) of the processing unit (6) with respect to the work support (4) about the respective additional axis (A, B), and that a controller (8) is provided, which divides a desired path of the laser beam (4) on the workpiece (2) into a movement of the traversing unit (5) along the one or at least two main axes (X, Y) and a deflection of the processing unit (6) about the one or at least two additional axes (A, B) and activates the drives (7, 8) of the traversing unit (5) and of the processing unit (6) correspondingly.