This series of machine is applicable for turning the surface of roller which used in the steel works and roller factory with the help of high speed steel or the cutters with hard alloy or the other materials as well as rough turning, semi-finish and finish turning and cutting the cylindrical surface of roller. It also can be used for semi-finish and finish turning the excircle surface, end face and all kinds of complicated curved surfaces of axle parts with the material of cast iron, steel and non-ferrous metal of the corresponding specifications. The CNC brand of SIEMENS, FANUC, and other domestic systems can be selected on this machine.
| Parameters | CK84125 | CK84160 | CK84200 | CK84250 |
| Type of lathe bed guideway | Integrated three guideways on lathe bed | Integrated three guideways on lathe bed | Separate lathe bedHydrostatic guideway | Separate lathe bedHydrostatic guideway |
| Max. workpiece diameter(mm) | φ1250 | φ1600 | φ2000 | φ2500 |
| Max. workpiece length L(mm) | 3000 ~ 12000 | 3000 ~ 12000 | 4000 ~ 12000 | 4000 ~ 12000 |
| Max. workpiece weight (t) | 40 | 63 | 80 | 100 |
| Cone apex angle of center (°) | – | – | 75 | 75 |
| Range of machining diameter (mm) | 0 ~ φ1250 | 0 ~ φ1600 | 0 ~ φ2000 | φ350 ~ φ2500 |
| Dimension of spindle taper hole (mm) | φ196.869 1:4 | φ196.869 1:4 | φ196.869 1:4 | φ196.869 1:4 |
| Max. faceplate torque (kN·m) | 40 | 80 | 125 | 160 |
| Cutting force of single tool post (kN) | 100 | 125 | 160 | 125 |
| Faceplate diameter (mm) | φ1250 | φ1600 | φ2000 | φ2500 |
| Steps and range of spindle rotational speed (r/min) – Step | DC stepless | AC stepless | DC stepless | DC stepless |
| Steps and range of spindle rotational speed (r/min) – Range | 1 ~ 200 | 0.625 ~ 125 | 0.5 ~ 100 | 0.5 ~ 100 |
| Tool post feed range (mm/min) – Longitudinal | 1 ~ 500 | 1 ~ 1000 | 1 ~ 6000 | 1 ~ 4500 |
| Tool post feed range (mm/min) – Transverse | 1 ~ 500 | 1 ~ 1000 | 1 ~ 4500 | 1 ~ 4500 |



