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Apparatus for machining a workpiece with a laser beam

A laser beam and equipment technology, applied in laser welding equipment, metal processing equipment, welding equipment, etc., can solve the problems of large equipment, difficult environment, and high risk of fluid damage

Pending Publication Date: 2020-05-22
SYNOVA SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the aforementioned environmental difficulties, especially in humid environments, conventional visual inspection is not very precise
In addition, there is a high risk of inspection equipment, such as cameras, being damaged by spilled fluids
Furthermore, the equipment according to this conventional solution is relatively large and inconveniently distributed among several separate components

Method used

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  • Apparatus for machining a workpiece with a laser beam
  • Apparatus for machining a workpiece with a laser beam
  • Apparatus for machining a workpiece with a laser beam

Examples

Experimental program
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Embodiment Construction

[0058] figure 1 A device 100 according to an embodiment of the invention is shown. In particular, the apparatus 100 is configured to process a workpiece 101 with a laser beam 102 . The workpiece 101 may be made of materials including, for example, metals, ceramics, diamonds, semiconductors, carbides, alloys, superalloys, or superhard materials. In particular, workpiece 101 is not part of device 100 . However, workpiece 101 may be placed on a work surface, which may or may not be part of apparatus 100 . In either case, the apparatus 100 may be arranged such that it may process a workpiece 101 disposed on a processing surface. The apparatus 100 can also control movement of the processing surface in up to three dimensions.

[0059] The device 100 comprises a processing unit 103 , a sensing unit 107 and a signal processing unit 109 . These units 103 , 107 and 109 of device 100 are preferably all integrated into device 100 , ie these units 103 , 107 and 109 of device 100 are p...

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PUM

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Abstract

The invention relates to an apparatus (100, 200, 300, 700) and a method (400) for machining a workpiece (101) with a laser beam (10a). The apparatus (100, 200, 300, 700) comprises a machining unit (103) configured to provide a pressurized fluid jet (104) onto the workpiece (101) and to couple the laser beam (102) through at least one optical element (105) into the fluid jet (104) towards the workpiece (101). Further, it comprises a sensing unit (107) arranged to receive a laser-induced electromagnetic radiation (106) propagating away from the workpiece (101) through the fluid jet (104) and through at least one optical element, and configured to convert the received radiation (106) into a signal (108). The apparatus (100, 200, 300, 700) also comprises a signal processing unit (109) configured determine a state of machining the workpiece (101) based on the signal (108).

Description

technical field [0001] The invention relates to a device for processing workpieces with a laser beam and a corresponding processing method. In particular, the device and method are used for machining workpieces with a laser beam coupled into a fluid jet. The invention relates in particular to controlling the process of said apparatus and method on the basis of process emissions. Background technique [0002] Conventional devices for machining workpieces with laser beams are known. Likewise, conventional devices for machining workpieces with a laser beam coupled into a fluid jet, wherein the fluid jet impinges on the workpiece, are also generally known. [0003] A problem commonly encountered during laser beam machining with conventional equipment is that it is difficult to determine the characteristic state of the process machining the workpiece due to the lack of mechanical interaction of the equipment with the workpiece. This difficulty often leads to a significant incr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/03B23K26/146
CPCB23K26/032B23K26/146B05B12/004B23K26/1462B23K26/707B23K26/03B05B12/082B23K26/1476
Inventor D·希珀特G·拉波特M·埃普勒H·迪厄B·里彻兹哈根
Owner SYNOVA SA