AUTOMATIC WELDING APPARATUS

摘要

PURPOSE: An automatic welding device is provided to improve welding quality by accurately arranging a welding torch in a stepped part of a base material. CONSTITUTION: An automatic welding device comprises a carriage(110) which moves by a driving unit, a guide unit(120) which is formed in the carriage and supports the carriage on a stepped portion to be traveled along the stepped part, a torch fixing unit(130) which is installed in the carriage, and a welding torch(140) which is clamped in the torch fixing unit to face the stepped part.