DETAILS
T7220D is mainly used to bore high accurate holes of cylinder body and engines sleeve and other accurate holes. It can be used for milling surface of cylinder. The machine can be used for boring, milling, drilling and reaming.
Specifications:
| Max. boring diameter | mm | 200 |
| Max. boring depth | mm | 500 |
| Max. milling area | mm | 400x1000 |
| Max. drilling & reaming diameter | mm | 30 |
| Spindle speed | r/min | 120-860 |
| Feeding of the spindle | mm/min | 14-900 |
| Rapid moving speed of the spindle | mm/min | 900 |
| Spindle travel | mm | 700 |
| Distance between spindle end face and table | mm | 0-700 |
| Distance between spindle axis and carriage vertical plane | mm | 365 |
| Longitudinal feed of worktable | mm/min | 32-1350 |
| Rapid moving speed of the table longitudinal travel | mm/min | 1350 |
| Max. longitudinal travel of the working table | mm | 1500 |
| Max. cross travel of the working table | mm | 200 |
| Worktable size (W x L) | mm | 500x1500 |
| Dimensional precision of boring hole | H7 | |
| Roundness | mm | 0.005 |
| Machining precision Cylindricity | mm | 0.01/300 |
| Milling flatness | mm | 0.1 |
| Boring | um | Ra25 |
| Surface roughness Milling | um | Ra 3.2 |
| Main motor | kw | 5.5 |
| Overall dimensions (LxWxH) | cm | 260x163 x 230 |
| Packing dimensions (LxWxH) | cm | 225x190 x 227 |
| N.W./G.W. | kg | 3500/3800 |
