... experience in this industry specially for cement machinery,such as gear ringMaterial:Carbon steel,low alloy steel:ZG20SiMn,ZG50Mn,ZG35SiMn,ZG35CrMo ... obtain a smooth surface.These following are the ring gear machining equipment.Dia 16m Gear Cutter HRØ16m CNC Double-Column Vertical Lathe ... Ø12m Gear Cutting Machine (Switzerland)we can design and manufacture as to ...