■ THIS IS STRAIGHT TIG WELDING MACHINE FOR LONGI DIHEDRAL WELDING ZONE ■ EQUIPPED WITH TACHO-GENERATED DC MOTOR (OPTION) - MAINTAIN CONSTANT WELDING SPEED BY DC MOTOR WITH TACHO-GENERATOR - NO A NOISE ■ EXCELLENT WELDING QUALITY - AUTOMATIC SEAM TRACKING BY TENSION GUIDE ROLLER - A GAP IS MINIMIZED BY PRESS THE SHEET WITH TENSION GUIDE ROLLER AT OPPOSITE OF TORCH ■ TORCH AND GUIDE ROLLER IS COOLED BY WATER ■ THIS MACHINE CLAMP THE STRAKE SEAM WELDING PARTS BY CAM HANDLE EASILY AND DRIVE ON IT ■ WELDING IS STOPPED BY END LIMIT SENSOR AT THE END OF WELDING ZONE AUTOMATICALLY ■ EARTH LINE IS MOUNTED ON WELDING MACHINE, SO NO NEED CONNECTION OF EARTH CABLE MORE ■ REMOTE OPERATING SWITCH IS MOUNTED ON THE MACHINE