| 摘要 |
PURPOSE: A steel pipe-shaped EGW(Electro Gas Welding) welding device using a turning roller is provided to perform a welding task with respect to a joint portion while a steel pipe rotates in the state of an EGW welding device is fixed, thereby improving productivity and a welding quality. CONSTITUTION: A steel pipe-shaped EGW welding device(100) is fixed to one end portion of a supporting frame(200). A turning roller device(300) is rotated in the upper part of the supporting frame by the operation of a motor(M). The welding device welds a joint portion of a base material while rotating along the turning roller device. The EGW welding device is fixed to a horizontal rail(210) and a vertical rail(220) and slid along X-Y axes. The horizontal rail is moved along the supporting frame and the vertical rail is vertically moved from the upper part of the horizontal rail.
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