automatic longitudinal MIG welding machine Machine Application: 1. Machine can weld steel,stainless steel, aluminum and copper.2. Weld longitudinal seam on cylinder, air tank, water tank, fuel tank, etc.3. MIG welding with wire feeder.4. Machine can work continuously for 24-hour.5. Japan OMRON PLC and touch screen6. Water-cooling system and self-shielding welding system7. Pneumatic clampingMachine Parameters: Welding diameterMax 2000mmWelding lengthmax 2500mmWelding speed700mm/minMachine rapid speed2m/minWelding power source400AMachine working voltage220v, 380v, 415v, 480v