TIG WELDING APPARATUS

摘要

The present invention relates to a TIG welding device comprising: an electrode bar which is to be fixated in an electrode bar holder slantingly in a first angle; a wire nozzle arranged to face the electrode bar; a gas nozzle unit configured to supply gas to a point where an end of the electrode bar and an end of the wire nozzle faces, wherein the gas nozzle unit includes a first gas nozzle formed to have a gas spraying direction of a second angle in a longitudinal direction of the electrode bar.