Patent · US Active

Method for the cutting machining of workpieces using a laser beam

US9522442B2 · kind B2 · utility

0Cited by

6References

8Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Matthias Luetke · Dresden, DE
Lothar Morgenthal · Dresden, DE
Thomas Himmer · Reichenbach, DE
Eckhard Beyer · Alsbach, DE

Key dates

Filing date	May 28, 2009
Grant date	Dec 20, 2016
Priority date	—
Expiry date	Sep 3, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23K2103/50
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A method is for cutting machining of a workpiece using a laser beam. The method includes (a) directing the focused laser beam onto a surface of the workpiece for a formation of a kerf; and (b) removing a material exclusively by ablation. The laser beam has a power density in a focal point of at least 1*107 W/cm2. The laser beam has a feed speed taking account of an absorption capability of the material to be removed of at least 150 m/min up to a maximum of 1200 m/min.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.