The Weld seam polishing machine is also known as the processor. It can efficiently handle the black tungsten bead on the welding seam after stainless products welded by argon arc welder. The spots will instantly disappear once rubbed by the processor cloth with the solution fluid. The machine adopts imported electronic components, relays and high-speed rectifying tube. It is fully automatic short-circuit protection and it is flexible, convenient and safe. It is a good helper for companies in stainless steel products and project domain.