H-beam automatic welding machine There lha gantry type, lhc cantilever type h. It adopts a.C.Inverter control, with functions of stable running and fast traveling speed; the seam-tracking arc-guide mechanism is three-spindle system to guarantee the alignment without aberrancy; the main frame and welding machine are intergrated control, with flux auto-recovering system and it is easy to operate with high efficiency. Lht double column-beam automatic welding machine can weld two pieces of beam at the same time, and the web height of beam is not limited by main machine. Applied flange width200-800mm Applied web height200-1500mm Beam length4000-15000mm Rail span4000mm Rail length18000mm Welding speed120-1200mm/min Welding positionvessel position Wire size3.25mm Flux recycling system100kg*2 Main machine power9kw (excluding two saw welders