Specification | Unit | M618A | M820 | M1022 |
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 |
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 |
Wheel speed (60HZ) | r/min | 3440 | 3440 | 3360 |
Vertical feed on handwheel (Per revolution) | mm | 1.25 | 2.5 | 4.0 |
Vertical feed on handwheel (Per graduation) | mm | 0.01 | 0.02 | 0.02 |
Cross feed on handwheel (Per revolution) | mm | 2.5 | 1.25 | 1.25 |
Cross feed on handwheel (Per graduation) | mm | 0.02 | 0.01 | 0.01 |
Spindle motor | kw | 1.1 | 1.1 | 1.5 |
Coolant pump motor | w | 40 | 40 | 40 |
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、Gross) | mm | 650、750 | 700、800 | 850、950 |
Overall dimension(L×W×H) | mm | 1550x1150x1590 | 1680x1140x1720 | 1680x1220x1720 |