Device for working a surface of a workpiece by means of a laser beam and method for operating the device

A technology for processing workpieces and laser beams, applied in laser welding equipment, metal processing equipment, welding equipment, etc., can solve problems such as difficult display and unrealized safe implementation

Active Publication Date: 2018-12-21
PLASMATREAT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, implementation of this method for process safety in industrial operations has not been achieved to date
In particular, it has been shown to be difficult to align the plasma beam at the positions on the workpiece surface which are to be processed by means of the laser beam

Method used

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  • Device for working a surface of a workpiece by means of a laser beam and method for operating the device
  • Device for working a surface of a workpiece by means of a laser beam and method for operating the device
  • Device for working a surface of a workpiece by means of a laser beam and method for operating the device

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0050] figure 1 Embodiments of the device according to the invention and the method according to the invention are shown schematically.

[0051] The device 2 for processing the surface 4 of a workpiece 6 with the aid of a laser beam 8 has a housing 10 in which a laser system 12 for supplying the laser beam 8 is integrated and to which is connected a device for generating an atmospheric pressure plasma The plasma nozzle 14 of the beam 16 .

[0052] In the following, first according to figure 2 The structure and mode of operation of the plasma nozzle 14 are described, figure 2 shown in enlarged view figure 1 In the area of ​​the plasma nozzle 14 of the device 2 .

[0053] The plasma nozzle 14 has a tubular housing 18 in the form of a nozzle tube made of metal, which is screwed onto the housing 10 of the device 2 . The nozzle tube 18 has at its one end a conical constriction 20 on which an exchangeable spray head 22 is mounted, the discharge opening of which forms a nozzle...

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Abstract

The invention relates to a device (2) for working a surface (4) of a workpiece (6) by means of a laser beam (8), comprising a laser system (12) for providing the laser beam (8) and a plasma nozzle (14), which is designed to produce an atmospheric plasma jet (16), wherein the plasma nozzle (14) has a nozzle opening (24, 24'), from which a plasma jet (8) produced in the plasma nozzle (24, 24') exitsduring operation, wherein the laser system (12) and the plasma nozzle (14) are arranged in relation to each other and designed in such a way that, during operation, the laser beam (8) exits from thenozzle opening (24, 24') of the plasma nozzle (14) together with the plasma jet (16). The invention further relates to an assembly (100) having such a device and to a method for operating said device(2).

Description

technical field [0001] The invention relates to a device for processing the surface of a workpiece by means of a laser beam, which has a laser system for supplying the laser beam and has a plasma nozzle provided for generating an atmospheric-pressure plasma beam, wherein the plasma nozzle has an operating The nozzle opening from which the plasma beam generated in the plasma nozzle exits. The invention also relates to a method for operating a plant. Background technique [0002] It is known from the prior art to process the surface of a workpiece by means of a laser beam in order to clean the workpiece, for example by removing impurities from the workpiece surface, or to shape the workpiece by removing the workpiece material itself. [0003] When cleaning the workpiece surface with the aid of a laser beam, it often happens that some of the impurities removed with the aid of the laser beam deposit again on the workpiece surface and thus recontaminate the workpiece surface. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K28/02B23K26/14B23K26/08B23K26/06B23K26/362B23K26/21B23K1/005B23K10/00
CPCB23K1/0056B23K10/00B23K26/0643B23K26/0884B23K26/1423B23K26/1476B23K26/21B23K26/361B23K28/02B23K26/062B23K26/362
Inventor 克里斯蒂安·布斯克
Owner PLASMATREAT GMBH
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