Welding at any angle can be realized: overlap welding, butt welding, vertical welding, flat fillet welding, internal fillet welding, external fillet welding, etc. It can weld various complex welded workpieces and large workpieces with irregular shapes. Realize welding at any angle. In addition, it can also complete cutting, welding and cutting can be switched freely, just change the welding copper nozzle to the cutting copper nozzle, which is very convenient.