welding manipulator,column and boom,welding rotator, Ribbon Surfacing welding Welding manipulator is one kind of auxiliary devices for welding. In the front of the arm ... with the arm. It can rotate within ±180°.The welding machine welds line on cylindersurface with WeldingManipulator and Adjustment ... belt rotating structure type, free belt rotation structure type. Heavy-duty Welding Manipulator