basic components:Uncoiler shear and end welder horizontal accumulator(vertical or cage type accumulator) main machine(forming,welding,sizing unit) computer-controlled tracking saw run-out table main technical parameters: ZG76 unitZG76 enlargeφ127 unitZG90 unitZG90 enlargeφ140 unitDiameter of welded tubesφ25-80mmφ32-127mmφ32-100mmφ60-140mmWall thickness of welded tube1.2-4.0mm1.5-2.5mm1.5-4.5mm1.5-4.0mmSpeed of tube welding15-60M/min15-50M/min15-50M/min15-50M/minPower of major motor160kw90kw×290kw×2110kw×2High frequency power300kw350kw350kw400kw