The H-beam auto-welding equipment can be classified into the gantry welding machine(LHA-LHB)and the column-beam welding machine(LHC), which are adopted with the imported AC transducer. The equipment is stable and reliable is operation.

The trackingarcguide mechanism is threespindle tracking system to guarantee the alignment and not bias arc on the weld, the main frame and the welding machine are pertormed integrated interlocking and the equipment is provided with flux auto-recovering system and it is easy controiled, and highly efficient.