CThis welding head is specially designed for fully automatic TIG welding of tube/tube welding, and is suitable for automatic welding in the form of general tube sheets. It can weld various types of tube/tube sheet joints such as carbon steel, stainless steel, etc., mainly with flush tubes and no wire filling. It can realize orbital TIG tube/sheet welding to achieve ideal welding results with high reproducibility, mainly used in chemical, food, medicine,various heat exchangers, power plants,military and nuclear power industries.