| 摘要 |
PURPOSE: A device for tandem electro gas arc welding is provided to secure the supply of welding material smoothly. CONSTITUTION: A device for tandem electro gas arc welding comprises a root and a torch for a face electrode(110, 120), and a root and a torch for a face non-electrode(115, 125). An electrode wire(W3) is installed in the front portion of the root and the torch for a face electrode. A non-electrode wire(W4) is installed in the front portion of the root and the torch for a face non-electrode wire. |
