... factory. Technical datastructure and collocation1,summaryFlow for roll forming machine:decoiler, feed material and guide material, 52 ... of decoiler, feed material and guide device, roll forming part, straighten, hydraulic cut off, cooling circle system, ... dia1200mm4,machine frame4.1,after welding roll forming part, straightening part, cut off part, all are normalizing treatment, precision machined ...