Large-Capacity Welding Wire Drum Packing Line Constant Tension Wire Barrel Winding Machine Drum packing machine is complete automatic barrel-winding equipment for welding wire, widely applied for flux-cored wire, CO₂ solid welding wire and stainless steel welding wire. Integrated System Components Active pay-off device Wire straightening system Constant-tension control unit Platform lifting & vibration mechanism Wire guiding system Full operation-control system Key Features &