GALVANO-MIRROR DRIVE DEVICE

PROBLEM TO BE SOLVED: To adjust precisely an irradiative position of a laser beam in a short time without being affected by a change of a peripheral ambient temp. and without causing an error due to judgement of a worker. SOLUTION: This drive device is constituted so that a light receiving sensor 9...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIJIMA MAKOTO, NAGANO YOSHIYA
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To adjust precisely an irradiative position of a laser beam in a short time without being affected by a change of a peripheral ambient temp. and without causing an error due to judgement of a worker. SOLUTION: This drive device is constituted so that a light receiving sensor 9 detects the irradiative position of a laser beam 4, and the drive device decides whether or not the irradiative position of the laser beam 4 reflected by Galvano- mirrors 5, 6 coincides with the prescribed irradiative position based on the output of the light receiving sensor 9, and when it is decided that they disagree, the drive device calculates a correction amount required for making the irradiative position of the laser beam 4 coincide with the prescribed irradiative position, and drives the Galvano-mirrors 5, 6 based on the calculated correction amount to adjust the irradiative position of the laser beam 4.