LASER PROCESSING MACHINE WITH LASER PROCESSING NOZZLE ADJUSTMENT
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United States of America Patent
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app pub date -
Nov 30, 2007
filing date -
May 31, 2005
priority date (Note) -
Abandoned
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Abstract
A laser processing machine includes a laser that outputs a laser beam, a laser processing head including a nozzle that defines a nozzle bore, a beam guidance and focusing system for directing the laser beam through the nozzle bore of the laser processing head, an illumination system that produces a light beam that is directed at the nozzle bore of the nozzle such that the light beam completely illuminates the nozzle bore, a light detector at the nozzle bore that views light that exits the nozzle bore, and an evaluation system that receives the output of the light detector and automatically determines the separation between a center of the laser beam when the laser beam is focused at the nozzle and a center of the nozzle based on the light detector output.
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