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1.发明公开
公开(公告)号：EP3310524A1
公开(公告)日：2018-04-25
申请号：EP16729229.1
申请日：2016-06-07
摘要： With the method according to the invention for unloading a workpiece part (2) during machining by means of an unloading element (10), in particular a vacuum suction device, the workpiece part (2) is cut from an, in particular planar, workpiece (4) by means of a laser beam (5), the target motion of which laser beam, on the workpiece (4), is divided at least along a first movement axis (X) into a motion of the workpiece (4) and a motion of the laser beam (5). Before performing the end-cut (14) which separates the workpiece part (2) from the workpiece (4), the workpiece (4) is braked to a standstill and then the end-cut (14) is carried out by moving the laser beam (5) only, wherein the unloading element (10) is either fixed at the earliest to the workpiece part (2) which is not yet cut free when the workpiece (4) comes to a standstill and at the latest to the cut-free workpiece part (2) at the end to the performed end-cut (14), or the unloading element (10) is lowered at the latest at the end of the performed end-cut (14) in the direction onto the workpiece part (2), without thereby clamping to the workpiece part (2), and wherein the workpiece (4) together with the workpiece part (2) cut free therein and the unloading element (10) located above the cut-free workpiece part (2) are displaced laterally together into a removal position in which the unloading element (10) is fixed to the cut-free workpiece part (2), or the unloading element (10) is braked to a standstill synchronously with the workpiece (4), at least along the first displacement axis (X) without relative displacement with respect to the workpiece (4) and is fixed to the workpiece part (2) which is not yet cut free, at the latest when the workpiece (4) comes to a standstill.
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公开(公告)号：EP3310524B1
公开(公告)日：2020-08-05
申请号：EP16729229.1
申请日：2016-06-07
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3.发明公开VERFAHREN ZUM FREISCHNEIDEN EINES WERKSTÜCKTEILS MITTELS EINES LASERSTRAHLS UND ZUGEHÖRIGE LASERSCHNEIDMASCHINE 审中-公开方法用于切割的免费工作的一部分通过激光束的方式和相关的激光切割机
公开(公告)号：EP3131695A1
公开(公告)日：2017-02-22
申请号：EP15719421.8
申请日：2015-04-13
CPC分类号： B23K26/0876 , B23K26/0853 , B23K26/38
摘要： The invention relates to a method for cutting out a section (2) of a workpiece from a planar workpiece (4), along a target course (3) and by means of a laser beam (5) of a laser cutting machine (1) that comprises a first drive (6) for moving the workpiece (4) at least along a first drive axis (X), and a second drive (7) for moving a laser cutting head (8), which aligns said laser beam (5) onto the workpiece (4), at least along the first drive axis (X). In said method, drive axis target values (XS) of the target course (3) of the laser beam (5) are divided into drive axis target values (XG) for the first drive (6) and drive axis target values (XF) for the second drive (7). According to the invention, with effect from a point in time lying around at least the braking time of the first drive (6) prior to the final cut-out position (F) of the workpiece section (2), the drive axis target values (XG) for the first drive (6) are converted to a constant drive axis target value such that once said first drive (6) brakes, the workpiece section (2) is then only cut out by moving the laser cutting head (8), the workpiece (4) coming to a stop at the latest at the final cut-out position (F). The course division is implemented by means of a low pass filter (11) that filters the low-frequency drive axis target values (XG) out from the drive axis target values (XS) that have been fed in, and a subtractor (12) that determines the high-frequency drive axis target values (XF) in the form of a difference between the original drive axis target values (XS) and said low-frequency drive axis target values (XG). According to the invention, an actuatable switch (15) is connected upstream of said low pass filter (11) and, when in one of its switching positions, forwards on the fed-in drive axis target values (XS) and, when in its other switching position, forwards on a constant drive axis target value (XS
const ) to said low pass filter (11).摘要翻译： 本公开涉及的方法和设备用于使用具有用于沿第一驱动轴线，第二驱动器，用于移动所述工件的第一驱动器中的激光切割机的激光束从一个板状工件切出工件部分沿目标路径 移动沿着第一驱动轴线的激光切割头。 的激光束的目标路径的目标值被分成目标值用于第一驱动器和第二驱动器。 激光束到达工件部分的切出结束位置之前，对于第一驱动器中的目标值被设定为恒定值，因此第一驱动的制动之后一样，切削出的工件部分的时才执行沉默 通过移动激光切割头和工件达到停止在在切出结束位置最新。
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4.发明公开
公开(公告)号：EP3515628A1
公开(公告)日：2019-07-31
申请号：EP17777857.8
申请日：2017-09-26
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公开(公告)号：EP2879816B1
公开(公告)日：2020-11-25
申请号：EP12743975.0
申请日：2012-08-06
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公开(公告)号：EP3131695B1
公开(公告)日：2019-06-05
申请号：EP15719421.8
申请日：2015-04-13
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公开(公告)号：EP2879816A1
公开(公告)日：2015-06-10
申请号：EP12743975.0
申请日：2012-08-06
CPC分类号： B21D45/003 , B21D28/10 , B21D45/04 , B23K26/083 , B23K26/0838 , B23K26/38 , B23Q7/046 , B25J9/0096
摘要： The invention relates to a method for removing a workpiece part (36), formed by cutting machining on a sheet-like workpiece (12) resting on a workpiece mount (16) of a machine tool (11), from a residual workpiece (37), in which the workpiece (12) is fixed for machining by means of a holding device (17) and is displaceable in at least one X or Y direction in an X/Y plane of the workpiece (12), in which, prior to or after the workpiece part (36) is cut out of the residual workpiece (37), a handling device (26) is positioned with respect to the workpiece by means of a gripper device (27), in which the gripper device (27) is activated and the workpiece part (36) is grasped in its position resting on the workpiece mount (16), wherein, if catching of the workpiece part (36) with the residual workpiece (37) is detected by means of an unloading monitoring device (44), at least one detachment strategy is initiated, in which at least one travelling movement of the holding device (17), the gripper device (27) or the holding device (17) and the gripper device (37) relative to one another with a predefined path, with at least one movement component in an X/Y plane, is actuated. The invention furthermore relates to a machine tool for carrying out the method.
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