UN series butt welding machine is the special equipment for welding ferrous metal wire and non-ferrous metal wire. It can be used for welding different specification of steel and copper and aluminum wire. It has advanced technology, reasonable design, reliable quality, stable performance. Its welding range is oe-third larger than the same products, realized the purpose of multi-function in one machine, saving money and energy. Its operation is simple, welding speed is quick, efficiency is high. Top force, jaw distance, current are adjustable according to the requirement.The weldment is clamping above the electrode, automatically feeding welding (You can also manually feed welding)