This machine is based on "SCW-250S" and is provided with the two-head type air head capable of setting the electrode interval vvith high precision in broad range, the power
supply unit capable of setting the current value conforming to the head, and the interval setting function at the time of interlocking ofthe left and right heads, therefore, the brazing operation of high stability and efficiency can be carried out with this machine used as a two-points simultaneous welding machine.
(Utility model patent No. 1888021, 1895824)