Manufacture Portable orbital milling Machine, Diameter 6000 mm, travel x-axis 1000 mm and travel z-axis 150 mm. Maximum facemill dia. 300 mm. Driving system with hydrolic power unit, drive unit for v,x,z-axis with actuator spindlehydrolic, planetary gear for x & v axis drive and Reducer gear for main spindle.Linier Block&Railblockbearingwith 0.005 micron, Ballscrew & Nut screw block bearing with backlash 0.005 micron