The machining axle journal range shall be within φ98 ~ φ180mm, the swing diameter of wheelset tread shall be within φ740 ~ φ1100mm and the axial length range shall be within 2050 ~ 2500mm. The numerical control system adopts SIEMENS 828D. This machine mainly consists of lathe bed, left and right tailstocks, left and right tool posts, left and right grinding head devices, friction main drive device, friction wheel stand device, jack device, cooling device, hydraulic and electrical systems, etc. The tool post and grinding head can realize two-axis linkage respectively and each axis will be driven by SIEMENS AC servo motor.
| Parameters | FCMK8311 |
| Range of wheelset diameter (mm) | φ740 ~ φ1100 |
| Range of machining axial diameter (mm) | φ98 ~ φ180 |
| Range of wheelset axial length (mm) | 2050 ~ 2500 |
| Max. workpiece weight between centers (t) | 1.5 |
| Dimension of grinding wheel (mm) | 600×63×305 |
| Track gauge (mm) | 1435 |
| Steps and range of spindle rotational speed – Steps | Stepless |
| Steps and range of spindle rotational speed – Range (r/min) | 18 ~ 780 |
| Longitudinal feed steps and range of grinding head – Steps | Stepless |
| Longitudinal feed steps and range of grinding head – Range (mm/min) | 1 ~ 1500 |
| Longitudinal travel of grinding head (mm) | 900 |
| Steps and range of tool post feed – Steps | Stepless |
| Steps and range of tool post feed – Range (mm/min) | 50 ~ 1500 |
| Transverse travel of tool post (mm) | 165 |
| Longitudinal travel of tool post (mm) | 420 |
| Power of main motor (kW) | 7.5 |
| Machine overall dimension (L×W×H) (mm) | 7150×2880×2430 |
| Machine weight (t) | about 20 |




