AUTOMATIC WELDING DEVICE

摘要

According to the present invention, an automatic welding device comprises: a carriage configured to reciprocate along a guide rail; a welding torch mounted on the carriage; and a torch rotation unit configured to adjust a tilt angle of the welding torch with respect to a movement direction of the carriage. The purpose of the present invention is to provide the automatic welding device capable of obtaining a constant welding quality.