Electric Surface Grinder MD820
| Model | MD820 | |||
| Working table | Table Size (L×W) | mm | 480×200 | |
| Max movement of working table (L×W) | mm | 530×220 | ||
| T-Slot number×width | mm | 1×14 | ||
| Grinding head | Max distance from spindle center to table surface | mm | 440 | |
| Wheel Size （Outer diameter×width×Inner diameter） | mm | φ200×20×Φ31.75 | ||
| Wheel speed | 50HZ | r/min | 2850 | |
| 60HZ | 3440 | |||
| Feed amount | Longitudinal speed of working table | m/min | 3-20 | |
| Cross feed of working table | Continuously (Variable Transmission) | mm/min | 300 | |
| Intermittently (Variable Transmission) | mm/times | 0-5 | ||
| Per revolution on handwheel | mm | 2.5 | ||
| Per graduation on handwheel | mm | 0.02 | ||
| Vertical feed on handwheel | Per revolution | mm | 1.25 | |
| Per graduation | mm | 0.01 | ||
| Commutati on feeder | Total input power | W | 150 | |
| X-feeder output speed | R/min | 0-225 | ||
| X-feeder size | mm | 280×130×120 | ||
| Y-feeder output speed | R/min | 0-120 | ||
| Y-feeder size | mm | 280×130×120 | ||
| Motor power | Spindle motor | kw | 1.1 | |
| Coolant pump motor | W | 40 | ||
| Working precision | The parallelism of working surface to base level | mm | 300:0.005 | |
| Surface roughness | μm | Ra0.32 | ||
| Weight | Net | kg | 767 | |
| Gross | kg | 867 | ||
| Package dimension（L×W×H) | mm | 1680x1140x1760 | ||
| Package dimension（L×W×H) | mm | 1140x1250x1940 | ||