... structure, the cantilever back welding is composed of moving cart, column, cantilever beam, welding arm, welding seam ... control system and the welding power, etc.Moving cart is composed of one base, four moving wheel ... stable and reliable operation.On the base of a double-decker frame, you can put welding ... .50.7 MPa5.3 Goods Supply rangea. Cart part moving cart, motor reducer, and vertical column, cross ...