Method for laser processing of a workpiece by means of a laser beam and corresponding laser processing machine
A laser processing machine and laser processing technology, used in laser welding equipment, metal processing equipment, auxiliary devices, etc., can solve problems such as unfavorable sorting safety, and achieve the effect of maintaining a constant path length and less requirements
Active Publication Date: 2018-08-21
TRUMPF WERKZEUGMASCHINEN GMBH & CO KG
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Problems solved by technology
In addition, the carriage only stops when the overhanging Y-axis stops, which is in principle not conducive to process safety during sorting
Method used
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[0023] exist figure 1 The laser processing machine 1 shown in FIG. 2 is used to laser cut workpiece parts 2 along a predetermined path 3 in a plate-shaped workpiece (for example a sheet metal) 4 by means of a laser beam 5 . The laser processing machine 1 includes a workpiece support 7 ( figure 2 ) on the workpiece 4 on the first drive ("workpiece drive") 6 and for driving along the X and Y axes to align the laser beam 5 on the laser cutting head 9 on the workpiece 4 with a second drive ("laser Cutting head driving device") 8. The laser beam 5 consists of figure 1 A laser beam generator, not shown, such as a solid-state laser generates and feeds the laser beam to the laser cutting head 9 .
[0024] Such as figure 2 As shown in , a gap 10 is formed in the workpiece support 7, which extends along the Y direction through the entire movement path of the laser cutting head 9 and whose gap width B is greater than the maximum movement distance of the laser cutting head 9 along t...
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The invention relates to a method for laser processing a workpiece (4), in particular a plate-shaped workpiece, along a target path (3) using a laser beam (5) of a laser processing machine (1). A laser processing head (9) which orients the laser beam (5) towards the workpiece (4) is moved at least along one drive axis (Y), and a laser processing machine (1) component (11a, 11b) which is not involved in the relative movement between the workpiece (4) and the laser beam (5) emitted from the laser processing head (9), in particular the relative movement between the workpiece (4) and the laser processing head (9), is moved dependent on the position of the laser processing head (9) along the drive axis (Y). According to the invention, low-frequency drive axis target values (YG) are filtered out of drive axis target values (YS) of the laser processing head (9) along the drive axis (Y), and the movement of the machine component (11a, 11b) is controlled using the low-frequency drive axis target values (YG).
Description
technical field [0001] The invention relates to a method for laser processing of a workpiece, in particular plate-shaped, along a given trajectory by means of a laser beam of a laser processing machine, wherein a laser processing head directing the laser beam onto the workpiece is moved at least along a drive axis, wherein , according to the position of the laser processing head along its drive axis to move a machine part of the laser processing machine that does not take part in the relative movement between the workpiece and the laser beam emanating from the laser processing head, in particular not between the workpiece and the laser beam The relative movement between the processing heads and also relates to a laser processing machine suitable for carrying out the method for laser processing a workpiece along a given trajectory by means of a laser beam. Background technique [0002] In machines with redundant axes, a given position of the tool can be reached by different c...
Claims
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IPC IPC(8): B23K37/04B23K26/08B23K26/38
CPCB23K37/0408B23K26/0853B23K26/0876B23K26/38
Inventor J·奥特纳德D·沃尔夫
Owner TRUMPF WERKZEUGMASCHINEN GMBH & CO KG