... ensure Welding Arc Stability.l Three welding models: automatic submerged – arc welding, carbon arc gouging, and DC manual ... weld, straight bead.l Use of 3,000 rpm motor and welding wire between Ø2.5 – Ø6mm. ... ensure Welding Arc Stability.l Three welding models: automatic submerged – arc welding, carbon arc gouging, and DC ... weld, straight bead.l Use of 3,000 rpm motor and welding wire between Ø2.5 – Ø6mm. ...