Title:
METHOD FOR CORRECTING A PREDETERMINED CUTTING PATH FOR CUTTING A SHEET METAL BLANK
Document Type and Number:
WIPO Patent Application WO/2016/135350
Kind Code:
A8
Abstract:
The invention relates to a method for correcting a predetermined cutting path for cutting a sheet metal blank from a metal strip continuously transported in a transport direction x, which is tensioned incorrectly, non-parallel to the strip path. In order to determine said angled position, the position (x1y1) of a point (P) is detected and then the metal strip can be moved about a predefined first distance (dx1) in the direction of transport (x), the position (x2y2) of the point is detected again. The difference of the y-coordinates (y1-y2) is used to determine the correction value (Ky1) for correcting the cutting path. Said metal strip can also have a curvature and/or bend about the edge. In order to determine the curvature, a third position (x3y3) is determined. The difference of the y-coordinate (y2-y3) is used to determine the correction value (Ky2) for correcting a cutting path.
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Inventors:
SEITZ ALEXANDER (DE)
GROSSE JAN-PETER (DE)
GROSSE JAN-PETER (DE)
Application Number:
PCT/EP2016/059202
Publication Date:
April 27, 2017
Filing Date:
April 25, 2016
Export Citation:
Assignee:
SCHULER AUTOMATION GMBH & CO KG (DE)
International Classes:
G05B19/402; B23K26/02; B23Q15/22; G01B11/04
Attorney, Agent or Firm:
SIMON, Josef et al. (DE)
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