BX6 series alternating arc welding machine is suitable for welding medium and small welding parts, widely used in agricultural machinery and tools, station wharf, small factories and mines workshop production and maintenance, especially suitable for some components of high-rise buildings and automobile repair, such as metal doors and windows, auto parts welding. The equipment has the advantages of simple structure, good arc starting performance, stable welding, small size, light weight, easy to carry and energy saving.