this rolling machine is hydraulic-driven with high efficiency(driving power equivalent 60% traditional) main structure and work principle the platebendingmachine used to make the steel plate into barrel shape circular shape conical sharp,ect.The upper roller can move vertically as well as horizontally,it can finish the pre-bending work and coiling work at the same machine. characteristics of this rolling machine CNC control Leveling easily Once circle forming Our products not only sell well in my country but also exportto Russia, kazakhstan, nigeria, malaysia, india, and so on. parameters of W11S platebending machine Model Max pre-bending thickness(mm) Max bending thickness (mm) Diameter of upper roller (mm) Max plate width (mm) Main motor power (kw) HDLW11S-60*3000 50 60 650 3000 55 For more information and platebending machine,shearing machine,rolling machine,send me a message, I will reply in24 hours