ORBITAL WELDING APPARATUS

摘要

According to an embodiment of the present invention, an orbital welding apparatus may comprise: a transfer carriage driving on a rail provided on an outer circumferential surface of a pipe, and having a tilting rail; a welding torch transfer unit coupled to the transfer carriage to be moved back and forth on the tilting rail; and a welding torch mounted in the welding torch transfer unit to perform welding.