Method and device for laser cutting a sheet metal blank from a continuously conveyed sheet metal strip

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11911851
APP PUB NO 20210323096A1
SERIAL NO

17274323

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a method for cutting a sheet metal blank from a sheet metal strip (1) continuously conveyed in a transport direction (T), by means of at least one laser cutting device (3), having the following steps:

    providing a laser cutting device (3) with at least one laser cutting head (5) which has a cutting nozzle (7) and which can be moved along a cutting path (S1, S2, S1′, S2′) specified so as to correspond to the geometry of the sheet metal blank by means of a controller (6), incrementally measuring the distance between the cutting nozzle (7) and the surface of the sheet metal strip (1) at at least one radially outer position (P1, P2) relative to the cutting nozzle (7) by means of a first distance measuring device (8),controlling the movement of the laser cutting head such that the first distance measuring device (8, 9) constantly remains overlapping the sheet metal strip (1), into a second position, in which the cutting nozzle is overlapping the sheet metal strip (1), wherein the height of the cutting nozzle (7) relative to the surface of the sheet metal strip (1) is regulated using the first distance values supplied by the first distance measuring device (8, 9) when the cutting nozzle (7) is moved from the first position in the direction of the second position.

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Patent Owner(s)

  • SCHULER PRESSEN GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grosse, Jan-Peter Möhrendorf, DE 3 1
Klinker, Karsten Hemhofen, DE 1 0
Schieber, Frank Erlangen, DE 1 0
Seitz, Alexander Erlangen, DE 24 125

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