WIRE FEEDING DEVICE, ARC WELDING DEVICE AND WIRE FEEDING METHOD

The wire feeding device 4 that feeds welding wire W from the wire source 3 to the welding torch 13 is disposed between the wire source 3 and the welding torch 13 and is configured to temporarily accommodate the welding wire W fed from the wire source 3 and to feed the accommodated welding wire W to...

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Bibliographische Detailangaben
Hauptverfasser:	NISHISAKA, Futoshi, YOSHINAGA, Akio, KAWAI, Hirokazu, NAGAMI, Kazutoshi, MANABE, Haruhiko, MIYAHARA, Hisao, INOUE, Masahiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CONVEYING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PACKING PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STORING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The wire feeding device 4 that feeds welding wire W from the wire source 3 to the welding torch 13 is disposed between the wire source 3 and the welding torch 13 and is configured to temporarily accommodate the welding wire W fed from the wire source 3 and to feed the accommodated welding wire W to the welding torch 13. In the case where feeding of welding wire W is abnormally stopped, if the acceptance unit accepts instructions for increasing or decreasing, the wire feeding device 4 controls the speed of feeding welding wire W fed by the first feeding part 41d or the second feeding part 42 so that a difference is generated in the feeding speed of the first feeding part 41d and the second feeding part and the accommodated amount of welding wire W is in a range from the lower limit of normal to an upper limit of normal.