purlin roll forming machine: 1.Suitable material type:Steel strip 2.Coil thickness:1.6-3.2mm 3.Yield strength:230-300Mpa purlin roll forming machine: 1.Components for the MachineThis C purline roll forming machine mainly consists of decoiler , feeding & guiding device , leveling device, punching device, main roll forming machine , hydraulic/electric cutting system, electric controlling system, ...