Surface grinding machine M820
The spindle adopts P4 grade precision rolling bearing and labyrinth seal, which has good waterproof and dustproof performance, stable movement and high precision.Longitudinal use ball steel guide rail, flexible operation, column use long span shape guide rail, good rigidity, high stability.The machine adopts manual oil pump for centralized lubrication.
Description
Surface grinding machine M820
M820 manual surface grinder performance description：
M820 manual surface grinder can grind various kinds of surface and complex formed surface, which is suitable for grinding without motor feed.
| Technical specifications | unit | M1022 | M820 | M618 | |
| Table Max. cutting area （L×W) | mm | 560×250×490 | 520×220×490 | 500×190×335 | |
| working table movement | Max. Grinding Length | mm | 560 | 520 | 500 |
| Max. Grinding width | mm | 250 | 220 | 190 | |
| Distance from spindle center to table surface | mm | 480 | 480 | 335 | |
| Slide way | V-type Double rail with steel-ball | ||||
| Max. work load | kg | 250 | 200 | 200 | |
| Table size | mm | 500×250 | 480×200 | 460×180 | |
| Number of T-Slot | mm×n | 14×1 | 14×1 | 14×1 | |
| Table spedd | m/min | 3-23 | 3-23 | 3-23 | |
| front and rear wheel feed | mm | 0.02/Graduation 4/revolution | 0.02/Graduation 2.5/revolution | 0.02/Graduation 2.5/revolution | |
| On the hand wheel feed | mm | 0.01/Graduation 2/revolution | 0.01/Graduation 1.25/revolution | 0.01/Graduation 1.25/revolution | |
| Wheel Size（dia×width×bore） | mm | 200×20×31.75 | 200×20×31.75 | 180×13×31.75 | |
| Spindle speed | rpm | 2800 | 2800 | 2800 | |
| Variable Frequency motor (matching) | 0-6000 | 0-6000 | 0-6000 | ||
| Spindle motor | Kw | 1.5 | 1.5 | 1.1 | |
| Cooling pump | Kw | 0.04 | 0.04 | 0.04 | |
| Packing size (L×W×H) | mm | 1400×1160×1960 | 1460×1160×1960 | 1240×1080×1800 | |
| Cross、Net | T | 1.1、1.0 | 0.85、0.75 | 0.75、0.65 | |
