... welding besides overlap welding.COMPOSITION:Decoiler, Chassis, Frame, Layer Insulation Decoiler, Rear Feeder, Deviation Adjusting Device, Burr ... Winder, Discharging Trolley, Welding MechanismTECHNICAL PARAMETER: ParameterBRJ-800Single-Layer BRJ-1600Double-LayerOuter diameter of coil (mm)200~800200~ ... Welding speed (m/min)≤0.5≤0.5Tension of layer insulation (N)≤250≤400Allow max. tension of winding ...