| Model | Unit | M618A | M820 | M1022 | ||
| Working table | Table Size (L * W) | mm | 460*180 | 480*200 | 540*250 | |
| Max movement of working table(L * W) | mm | 500*190 | 530*220 | 560*260 | ||
| T -Slot number * width | mm | 1*14 | 1*14 | 1*14 | ||
| Grinding head | Max distance from spindle center to table surface | mm | 335 | 440 | 420 | |
| Wheel Size (Outer diameter * width * Inner diameter) | mm | Φ180*13*Φ31.75 | Φ200*20*Φ31.75 | Φ200*20*Φ31.75 | ||
| Wheel speed | 50HZ | r/min | 2850 | 2850 | 2850 | |
| 60HZ | 3440 | 3440 | 3360 | |||
| Feed amount | Vertical feed on handwheel | Per revolution | mm | 1.25 | 2.5 | 4 |
| Per graduation | mm | 0.01 | 0.02 | 0.02 | ||
| Cross feed on handwheel | Per revolution | mm | 2.5 | 1.25 | 1.25 | |
| Per graduation | mm | 0.02 | 0.01 | 0.01 | ||
| Motor power | Spindle motor | kw | 1.1 | 1.1 | 1.5 | |
| Coolant pump motor | w | 40 | 40 | 40 | ||
| Working precision | The parallelism of working surface to base level | mm | 300:0.005 | 300:0.005 | 300:0.005 | |
| Surface roughness | μm | Ra0.32 | Ra0.32 | Ra0.32 | ||
| Weight | Net | kg | 650 | 700 | 850 | |
| Gross | kg | 750 | 800 | 950 | ||
| Overall dimension(L*W*H) | mm | 1550*1150*1590 | 1680*1140*1760 | 1680*1220*1720 | ||
| Package dimension(L*W*H) | mm | 1000*1150*1760 | 1140*1250*1940 | 1200*1400*1940 | ||
