CONTROL METHOD FOR WELDING

摘要

PURPOSE: A control method for a welding process is provided to prevent the discontinuous line of a welding bead when the welding process is conducted after a temporary stop. CONSTITUTION: To control a welding process, a control system sets a plate metal to a welding portion with a welding command and moves a welding torch for welding the plate metal. In case of a temporary stop command, the control system temporarily stops welding the plate metal. After the temporary stop command is released, the welding torch is moved backward as far as a predetermined distance and moved forward again. Herein, the predetermined distance is 2 to 4mm. When the welding process is complete, the system stops welding.