WELDING APPARATUS

摘要

PURPOSE: A welding apparatus is provided to easily adjust the gap of supporting rollers without the replacement of a pipe supporting member although the size of the pipe is changed. CONSTITUTION: A welding apparatus(10) includes a base member, a transferring member(200), a welding member(300), and a pipe supporting member(400). The base member includes a rotatable case(130). The transferring member includes a supporting post(210) and a ball screw part(230). The supporting post is formed at one upper part of the case. The ball screw part is combined with the supporting post. The welding member is vertically moves through the transferring member. A welding torch(310) is formed at end part of a supporting structure in connection with the supporting post. The welding member moves the welding torch to the vertical direction and to the horizontal direction.