
| Description | unit | M1420x500 | M1420x800 |
| External grinding diameters | mm | φ8~200 | φ8~200 |
| Internal grinding diameters | mm | φ13~100 | φ13~100 |
| Center height | mm | 135 | 135 |
| Headstock spindle rotation speed | r/min | 50HZ:25~380stepless | |
| Max. worktable traverse | mm | 650 | 950 |
| Hydraulic travel speed | m/min | 0.1~4 | 0.1~4 |
| Max.workpiece weight | kg | 50 | 50 |
| Grinding length External/Internal | mm | 500/125 | 800/125 |
| Swivel range of worktable | ° | -5~+9° | -3~+7° |
| Max.wheel peripheral speed | m/s | 38 | 38 |
| External wheel size | mm | Max.φ400x50xφ203 Minφ280x50xφ203 | |
| Internal wheel spindle rotating-speed | r/min | 10000 | 10000 |
| Headstock and tailstock center | morse | NO.4 | NO.4 |
| Total motor power | kw | 5.625 | 5.625 |
| Machine overall dimension(LxWxH) | mm | 2200x1600x1700 | 3100x1600x1700 |
| Machine weight | kg | 2500 | 3000 |
| Working Accuracy | |||
| Roundness(O.D/I.D) | 1.5/2.5μm(O.D/I.D) | ||
| Uniformity of dia.in longitudinal section(O.D/I.D) | 5/8μm(O.D/I.D) | ||
| Surface roughness(O.D/I.D) | Ra0.32/0.63μm(O.D/I.D) | ||