Determining distance correction values for laser machining a workpiece
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United States of America Patent
Stats
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Oct 27, 2020
Grant Date -
Jun 1, 2017
app pub date -
Feb 13, 2017
filing date -
Aug 13, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Methods, machines, and computer-readable mediums for determining distance correction values of a desired distance between a laser processing nozzle on a laser processing head and a workpiece during laser processing of the workpiece are provided. In some implementations, the workpiece is scanned along a desired path of a surface of the workpiece separately by the laser processing nozzle and a measurement head arranged in place of the laser processing nozzle on the laser processing head, with a capacitively measured distance identical to the desired distance. The measurement head has a lower lateral sensitivity of a capacitance measurement than the laser processing nozzle. Respective scanned movement paths of the laser processing nozzle and the measurement head are determined. The distance correction values for the desired distance of the laser processing nozzle are then determined from the scanned movement paths determined with the laser processing nozzle and the measurement head.
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International Classification(s)
- 2017 Application Filing Year
- B23K Class
- 2572 Applications Filed
- 1773 Patents Issued To-Date
- 68.94 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B23K Class
- 61.89 % this patent is cited more than
- 5 Age
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