... machine roll,processing with roller body pass mainly for steel mills,using the forming tool ... processingThe parts of the machine by the bed , headstock , tailstock , tool holder , center frame ... , center rest and other major parts,machine tool main drive by ac motor drive, ... Main technical specification of roll lathe machine. ItemUnitCA8450CA8463CA8480Max.machining workpiece diametermm500300-630360-800Max ...