Our steel drum seam welding machine is the critical equipment that welds the longitudinal straight seam of the rolled drum body, producing a continuous, leak-proof weld through resistance welding technology. The machine features upper and lower rotating electrode wheels that apply pressure and current to the overlapping edges of the drum body, forming a series of overlapping weld spots that create a continuous seam. Available in semi-automatic and fully automatic configurations to match your production needs—the fully automatic version integrates curling, transfer, and welding in a single platform, handling drum diameters from 300mm to 560mm and steel thicknesses from 0.6mm to 1.5mm at speeds up to 6–10 drums per minute. Key features include medium frequency welding power supply for stable output, water-cooled electrode wheels for consistent performance, and PLC control for precise welding parameter management. The welded seam maintains a 4–6mm overlap with strong, sealed joint quality. Backed by over 10 years of manufacturing experience, we provide customized seam welding solutions, installation guidance, and comprehensive after-sales support to ensure your steel drums achieve reliable, leak-proof welds that stand up to the most demanding shipping conditions.