3 piece can seam welding machine 1.make 18L,20L ... can, food can, large can, tank, container 3 piece can seam welding machine1. technology progresscutting---rouding---welding---coating---drying ... ) high frequency induction drying (4) pre-curling and expanding (5) flanging (6) seaming bottom (7) beading and curling advantage ... 0.28~0.38 mmT2-DR8 wire dinameter Φ1.5 mm cooling water >20 L/min >400 Kpa/cm2 ...