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Method for splitting and cutting plate-like workpieces

A technology for cutting boards and splitting boards, which is used in manufacturing tools, metal processing equipment, welding equipment, etc., and can solve problems such as collision, shutdown, and cutting head damage.

Active Publication Date: 2022-03-18
TRUMPF WERKZEUGMASCHINEN GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This leads to sub-blocks being staggered along the height of the separation cut, which has a detrimental effect when two or more separation cuts dividing the remaining grid intersect each other: for example if the second separation cut is cut at At the point of intersection between the first parting cut and the second parting cut, the workpiece parts are offset in height relative to each other, and a collision of the cutting head, generally the cutting nozzle, with a sub-piece of the workpiece occurs, which leads to damage of the cutting head and in the worst case downtime

Method used

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  • Method for splitting and cutting plate-like workpieces
  • Method for splitting and cutting plate-like workpieces
  • Method for splitting and cutting plate-like workpieces

Examples

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Embodiment Construction

[0027] figure 1 Schematically shows a plate-shaped workpiece 10 (residual grid), which is split by a separation cut 11 (hereinafter referred to as: first separation cut 11) and a further separation cut 13 (hereinafter referred to as: second separation cut 13) In four sub-blocks, the separating cuts 11 , 13 extend as far as the not-shown outer edge of the plate-shaped workpiece 10 .

[0028] as in figure 1 As can be seen in , two separating cuts 11 and 13 extending perpendicularly to each other meet at an intersection point 14 . In order to prevent a not shown cutting head from colliding with the cut up vertical sub-sections of the workpiece 10 during the separation cut in the area of ​​the intersection point 14, the two separation cuts 11, 13 are divided into sections: the first separation cut 11 includes a first pre-cut 12 and two complementary cuts 18 and 20 . The second separating cut 13 comprises a second pre-cut 16 and two further complementary cuts 22 and 24 .

[002...

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Abstract

The invention relates to a method for cutting plate-shaped workpieces (10), in particular plate-shaped residual workpieces, by means of machining beam splitting. The method comprises cutting at least one separating cut (11) for splitting a plate-shaped workpiece (10), wherein the cutting of the separating cut (11) comprises cutting at least one pre-cut (12) and at least one separating cut (11) ) subsequent cuts of the completed cuts (18, 20), wherein the pre-cuts (12) comprise further pre-cuts (16) with further separation cuts (13) or intersections (14) with the contour of the good part, and Therein, the pre-cuts (12) have end sections (28, 26) which meet the complementary cuts (18, 20).

Description

technical field [0001] The invention relates to a method for splitting and cutting a plate-shaped workpiece, in particular a plate-shaped residual workpiece, by means of a processing beam, in particular by means of a laser beam, comprising cutting at least one separation cut for splitting the plate-shaped workpiece. Background technique [0002] When cutting a plate-shaped workpiece by laser, there is still a residual grid of the plate-shaped workpiece after cutting out the good product, which is also called the remaining workpiece. It is known from DE102010042561B3, JP2002337040A or JPH05127721 to split the remaining residual grid with a laser beam into smaller residual grid sub-blocks. [0003] From US Pat. No. 8,716,625 B2 it is known to separate the remainder (chips) of a plate-shaped workpiece with a laser beam into smaller sub-pieces which can be better ejected from the process. In this case, firstly the intersecting lines and then the helical contour are cut into the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/38
CPCB23K26/38B23K26/70
Inventor T·罗勒F·埃西希
Owner TRUMPF WERKZEUGMASCHINEN GMBH & CO KG
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