Tank / cylinder Longitudinal Seam Automatic Welding Machine Part 1. Application Machine can weld stainless steel and steel materials Weld longitudinal seam on cylindrical part. Welding process will be continual and steady. TIG welding with wire feeder.  Machine can work continuously for 24-hour. Part 2. Technique Parameters Welding speed 700mm/min (according to welding thickness) Torch moving range in left-right direction100mm Torch lifting range 100mm Argon shielding gas consumption10L/min Welding power sourceJapan Panasonic  Machine working voltage380v 3phase 50z Part 3. Machine Structure 1. TIG water cooled welding torch is pneumatically moved in up-down direction. Welding torch can be adjusted up and down, side to side and angled turn. The body of welding torch is ceramic. Welding head is driven up and down by cylinder. 2. Japan Omron CP-1H 40CDT PLC machine as the control system,control the implementation of the welding program. Stable system, simple structure, and easy to maintain. Touch screen as the input and output interface.Welding length, arc striking & ending time, welding current and welding speed can be input through the interface. Welding mode and welding specification can be preset,saved and recalled. With the help of touch man-machine interface,it is convenient to change parameters and status. 3. We are using 6mm Copper clamping bar and 20mm copper back bar in machine.They can be for steel, stainless steel and Al. Copper bar is used to conduct both heat and electricity. Firmly clamp work-piece. It is also used to protect steel surface. Surface of the cylinder/tank will not have scratch and mechanical damage.  4.Japan Panasonic TIG welding power source. 1set power source and 1set water chiller will go with machine.