The spindle of the CK64250 heavy duty CNC face turning lathe adopt the structure of double row cylinder roller bearing,so that the spindle keep a good rigidity and high accuracy.Driven by D.C. servomotor,the spindle has a large transverse torque and its speed can be changed infinite,adopting the structure of double rectangle,the guide way has b big span and good rigidity,it's specially suitable for slow speed and heavy cutting.Intermittence concentrating lubrication makes the maintenance of the lathe easily.      Mated with SIEMENS 802D CNC system,the machine has a  good flexible,it can be used for turning all kinds of tyre mould,large diameter plate and rings.It can realize the cutting of inner/outer cylinder,face,curve arc etc. with properties of heavy loading bearing capacity,good rigidity,elegant outlook and easy operation,the machine is an idea equipment for machining all kinds of tyre mould,large plate and rings.