XBH type column-beam welding machine adopted the imported AC transducer. The equipment is stable and reliable is operation,and has the quick move-back function. The tracking arc-guide mechanism is three-spindle tracking system to guarantee the alignment and not bias arc on the weld. The main frame and the welding machine are performed integrated interlocking and the equipment is provided with flux auto-recovering system and it is easy controlled, and highly efficient Type:XBH Height of web(mm): 200-2000mm Width of flange(mm): 200-800mm Longth of H-beam: 4000-15000mm Welding machines: MZ-1-1000Auto-submerged/two sets of model MZ-1-1000 auto union melt welder Welding mode: Ship-welding Welding velocity: 0.15-2.5m/min Reverse velocity: 4.5m/min Track distance: 1150mm Pressure from the gas source: 0.2-0.8Mpa Power of the assembling machine: 2.2kw(Welding machine is excluded)