... dimensionmm3800*900*1300Main structure and work principleThis machine is symmetrical rolling machine, down up roller and then let up ... (single side), strength≥HRC45-50.Welding joint componentsIncludes--rack of machine, base,and other steel components.Art-flow of ... rollers devices, main motor device, balance device, rack of machine, base and so on.Electrical control systemLubrication systemComponents ...