1.The chart of the process flow Decoiling--feeding--Rolling Forming-- Measure length--cut to length--product packing 2.The introduction of equipment Manual decolier,main forming machine,automatic cutter,electric controlling system,hydraulic system,product supporter 3. Technical specifications Main forming machine a. Material of shafts:45#steel adjustable treatment.Outer diameter 70mm/80mm Material of rollers:45#steel,plating hard chrome on the surface,rigidity HR55°-57° b.Main motor power:3kw c.The speed of forming:9-12m/min d.Stand:350# steel welding e.Material thinckness:0.2-0.8mm f.Wall plate thickness:14mm 20mm Hydraulic cutter a.Material of blade:Cr12 mould steel with quenched treatment b.Cutting system:adopt advanced hydraulic drive,after forming automatic cut,no distort,no wasting,high safe factor. Hydraulic system a.Adopting advanced hydraulic of Tai Wan b.Power:3k