English
There are two reasons for the occurrence of grinding vibration patterns: one is forced vibration of the workpiece, and the other is self-excited vibration of the workpiece caused by unreasonable processing parameters.
| Machine tool model | M250A | |
| Grinding aperture (mm) | 150-500 (50-150 customized grinding head) | |
| Maximum grinding depth (mm) | 450 (customizable for deepening) | |
| Workpiece rotation diameter (mm) | Inside the hood (mm) | f510 |
| Outer cover (mm) | Diameter 725 (customizable if needed) | |
| Maximum rotation angle of the bedside (°) | 15 °, 20 °. | |
| Workpiece speed (r/min) | 28, 38, 57, 160, 212, 320 | |
| Grinding wheel speed (r/min) | 2450, 4200 | |
| Total power of machine tool (kw) | 8.92 | |
| Workpiece motor power (kw) | 1.8/1.8/2.5 | |
| Grinding wheel motor power (kw) | 5.5 | |
| Machine tool dimensions (mm) | 3860×1600×1850 | |
| Machine weight (kg) | 4550 | |
| Machine tool power supply | 3N-50HZ 380V | |
| working accuracy | Inner hole roundness (μ m) | 5 |
| Bore cylindricity (μ m) | 8 | |
| Surface roughness of inner hole (μ m) | Ra0.63 | |
