| 摘要 |
PURPOSE: A tandem electro gas arc welding device is provided to improve welding efficiency by feeding electrode and nonelectrode wires with one torch. CONSTITUTION: A tandem electro gas arc welding device comprises a welding torch body(101) and electrode and nonelectrode contact tips(103,105). Electrode and nonelectrode wires(W2,W1) pass through the welding torch body. The electrode and nonelectrode contact tips are connected to the end of the welding torch body to provide the electrode and nonelectrode wires to each welding part. The electrode wire and contact tip or the nonelectrode wire and contact tip are insulated with the welding torch body. In order to melt the nonelectrode wire, the electrode contact tip and the nonelectrode contact tip are arranged in the arc of the electrode wire. |
