Bottom Butt Seam & Fillet Seam Welding Tractor
● Power source: NAEC MIA, US Miller, US Lincoln
● SAW welding technology
● Suitable for bottom plate butt joint, overlap joint, O. D/I. D fillet joint
● Special magnetic device, suitable for I.D and O.D fillet welding even when the min. distance from annular plate outer edge to shell is 90mm