... to become longitudinal seam welding machine.) Model: LSW-200/300/400/500 ModelLSW-200LSW-300LSW-400LSW-500Welding length (from 200-3000MM) ... -100Torch moving precision (MM)±0.1-±0.3±0.1-±0.3±0.1-±0.3±0.1-±0.3Move driveStraight rail + cog ... base, moving torch driving system, base, track beam.Characteristics: 1.LSW series longitudinal seam welding positioner (general longitudinal seam welder ...