This machine is suitable to weld horizontal fillet joint. This equipment can automaticallyseam track to horizontal fillet joint with guide arm & roller. Operator can start & stop the carriagetraveling & welding by push button. when there are some obstacle in front of carriage, the end limitswitch will stop carriage traveling and welding automatically. This machine is lighter and morecompact than conventional 1-torch welding carriage with powerful hauling