A TORCH STRUCTURE FOR MIG WELDING APPARATUS

The present invention relates to a torch structure of an MIG welding apparatus. The torch structure of an MIG welding apparatus comprises: a gas nozzle provided on one end of a torch body, discharging protective gas to a member; a contact tip fixated inside the torch body and extended to the outside...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KIM, KYEONG JU, SUNG, HEE JOON, RYU, SANG HUN, KIM, RYOON HAN, CHOI, SANG GU
Format:	Patent
Sprache:	eng ; kor
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 present invention relates to a torch structure of an MIG welding apparatus. The torch structure of an MIG welding apparatus comprises: a gas nozzle provided on one end of a torch body, discharging protective gas to a member; a contact tip fixated inside the torch body and extended to the outside of the gas nozzle to generate an arc on the member; a gas diffuser fixated inside the torch body, supplying protective gas inside the torch body; and a gas filter fixated inside the torch body, positioned between the gas nozzle and the gas diffuser, and supplying the protective gas in a laminar flow form. According to the present invention, the torch structure of the MIG welding apparatus includes the gas filter installed therein to stably inject the protective gas to a nozzle outlet, thereby increasing the oxygen blocking function of the protective gas and reducing consumption of the protective gas. Also, the torch structure of an MIG welding apparatus additionally includes a spatter protecting device to prevent damage to the gas filter and the gas nozzle due to spatter.