Device and method for monitoring an arc process

The invention relates to a method and a device for monitoring an arc process carried out with a torch (7), particularly a welding process, wherein the torch (7) performs a pendular motion at a pendular frequency (fP), and images (Pi) of the surroundings of the arc (13) are recorded at an image refre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PUCHBERGER FRANZ, DIETERMAYR BERNHARD, REINTHALER GUENTHER, ENNSBRUNNER HELMUT
Format:	Patent
Sprache:	chi ; 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 PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The invention relates to a method and a device for monitoring an arc process carried out with a torch (7), particularly a welding process, wherein the torch (7) performs a pendular motion at a pendular frequency (fP), and images (Pi) of the surroundings of the arc (13) are recorded at an image refresh frequency (fB) with the aid of a monitoring system (27) which is connected to the torch (7) and comprises at least one camera (28), and the images (Pi) are presented on a display device (31). By determining the shift (I) of the current image (Pi) from the previous image (Pi-1), shifting the current image (Pi) in the direction of the pendular motion by the component ([delta]d') of the determined shift (I) and displaying the shifted current image (Pi), it is possible to compensate for the movement of the images in accordance with the pendular motion of the torch (7).