(1) Forming convenience: The welding screw method is flexible and varied, the process is simple, in the manufacture of large, complex structures and parts, can be used casting welding, forging welding methods, large for small, complex as simple, and then assembled welding screws.
(2) Low production costs: compared with riveting, welding screw structure can save material 10%~20%, and can reduce the marking, drilling, assembly and other processes. In addition, the use of welded screw structure can be selected according to the requirements of the material. In different parts of the structure, according to strength, wear resistance, corrosion resistance, high temperature resistance and other requirements of the selection of different materials, with better economy.
(3) Strong adaptability: the use of the corresponding welding screw method, not only can produce micro, large and complex metal components, but also can produce high temperature, high pressure equipment and chemical equipment with good air tightness; In addition, the use of welding screw method, but also to achieve heterogeneous metal or non-metallic connection.