Welding machine and PLC cooperative control device for welding welded pipe

The utility model provides a welding machine and PLC cooperative control device for welding a welded pipe, which comprises a PLC control device, a frequency converter and a welding tractor are arranged on one side of the PLC control device, the PLC control device, the frequency converter and the wel...

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Bibliographische Detailangaben
Hauptverfasser:	CAI XIAOQING, NIU SIQI, MIN JIANDONG, CHEN LIANG, GUO JINGHUA, LIU HAO, LUO HONGFU, DAI LEI, XIAO XIONGJIE
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 utility model provides a welding machine and PLC cooperative control device for welding a welded pipe, which comprises a PLC control device, a frequency converter and a welding tractor are arranged on one side of the PLC control device, the PLC control device, the frequency converter and the welding tractor are sequentially connected, a plurality of welding machine control boxes are arranged on one side of the PLC control device, the PLC control device is connected with the welding machine control boxes, and the PLC control device is connected with the frequency converter and the welding tractor. And a plurality of fault feedback relays are arranged on the welding machine control box and are connected with the PLC control device. The PLC control device may receive a peripheral device, such as a welding tractor. The signal of the fault feedback relay stops the output of the digital welding machine so as to prevent welding burnthrough and arc singing accidents; the digital welding machine can transmit a fau