Laser plotter and method for engraving marking and/or inscribing a workpiece
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United States of America Patent
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Sep 9, 2014
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N/A
app pub date -
May 14, 2012
filing date -
Nov 7, 2011
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Abstract
The invention describes a laser plotter and a method for engraving, marking or inscribing a workpiece. Two lasers are installed in a housing of the laser plotter and may alternatively operate on the workpiece. The workpiece is positioned on a processing platform and a laser beam is sent to at least one focusing unit configured for both lasers, from which the laser beam is deflected in the direction of the workpiece. Control of the workpiece is obtained by software running in a control unit. Graphic and/or text data are prepared on an external computer or other control device, and transferred to the control unit of the laser plotter. The lasers are allocated to the transferred data based on color code, whereby a height correction value to compensate for the various focal lengths of the lasers is preloaded in the data bank for the different colors.
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