... ideal line for producing the large-scale H-beams.This producing line consists of assembling ... line can realize the rapid assembling of the H-Beam, submerged arc welding, 180º turning-over ... on. Thus obviously improving the welding speed of H-beam, decreasing the welding thermal collapse, improving the ... ideal line for producing the large-scale H-beams.Product feature: 1. CNC Beam Drilling Machine ...