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 | MD250A | MZS-250A | MB250 | MBD250 |
| Grinding aperture | ￠150-￠500mm | ||||
| Maximum grinding depth | 450mm | ||||
| Workpiece rotation diameter (inside the cover) | 510mm | ||||
| Workpiece rotation diameter (outside the cover) | 725mm | ||||
| Headboard box rotation angle | 20° | ||||
| Workpiece rotate speed | 28, 38, 57, 160, 212, 320 r/min | 80-400r/min (infinite) | |||
| Maximum speed of grinding wheel shaft | 2450-4200 r/min | ||||
| End grinding speed | — | 6000r/min | — | 6000r/min | |
| Maximum travel of X-axis | — | 500mm | |||
| table stroke | 800mm | 1050mm | 800mm | ||
| Fast X-axis movement speed | — | 8m/min | |||
| Minimum feed rate of X-axis | — | 0.002mm | |||
| control system | — | FANUC / SIEMENS / MITSUBISHI | |||
| Grinding wheel motor power | 5.5kw | ||||
| Headframe motor power | 0.75kw | ||||
| Oil pump motor power | 0.75kw | ||||
| Cooling pump motor power | 0.125kw | ||||
| End grinding motor power | — | 0.75kw | — | 0.75kw | |
| Servo motor power | — | X-axis 1.5kw | |||
| Total power of machine tool | About 9kw | About 9.3kw | About 9.5kw | ||
| roundness | 0.004mm | ||||
| roughness | 0.32Ra | ||||
| Machine weight | 5200kg | 5400kg | 6200kg | 5300kg | 5500kg |
| MACHINE SIZE | 3.6×1.8×1.8m | 5.2×1.8×1.8m | 3.6×2.2×1.8m | ||
