... 1. Detailed Product Description Machine is a special machine roll,processing with roller body pass mainly for steel mills,using ... the forming tool , on a variety of roll pass roughing , semi-refined car, cut processing and repair ... ~ 90 r/min speed.2.Main technical specification of roll lathe machine. ItemUnitCA8450CA8463CA8480Max.machining workpiece diametermm500300-630360-800Max.length of ...