English
CNC internal grinding machines are specialized tools used to grind the internal surfaces of cylindrical workpieces. These machines use computer numerical control (CNC) technology to achieve precise and consistent results. With the ability to handle complex geometries and tight tolerances, CNC internal grinding machines are indispensable in modern manufacturing.
| 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 | ||
