cone rolling machine&cone bending machine in stock pre-bending highest quality cone rolling machine&cone bending machine W11S8*25001, pressure 37 Tons 2, max width of coiled ... plate Pre-bending T6×B2500mm×Φ420mm(σs ≤ 245 MPa) Normal rolling T8×B2500mm×Φ420mm(σs ≤ 245 MPa5, full loading, straight length ... central distance of the two lower rollers 180 mm 9, rolling speed about 3.5 m / min 10,speed of the ...