Model NO.
T7220D
Production Capacity
50 Units / Month
Cylinder boring-milling machine T7220D
* Stepless of spindle turning, feeding and table travelling
* Rotating speed and feed of spindle as weel as the movement of worktable is free-setup, automatical returning of spindle can be realized
* Longitudinal and cross movement of table
* Complete set of accessories of boring, milling, drilling & reaming and easy exchange
* Tool fast centering device
* Tool measuring device
* Boring depth control device
* Table with digital readout for jig borer machine
| MAIN SPECIFICATION | UNIT | T7220D | |
| Max.boring diameter | mm | 200 | |
| Max.boring depth | mm | 500 | |
| Max.milling area | mm | 400x1000 | |
| Max.drilling & reaming diameter | mm | 30 | |
| Spindle speed | mm | 120-860 | |
| Feeding of the spindle | r/min | 14-900 | |
| Rapid moving speed of the spindle | mm/min | 900 | |
| Spindle travel | mm/min | 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 | 32-1350 | |
| Rapid moving speed of the table longitudinal travel | mm/min | 1350 | |
| Max.longitudinal travel of the working table | mm/min | 1500 | |
| Max.cross travel of the working table | mm | 200 | |
| Worktable size (W*L) | mm | 500x1500 | |
| Dimensional precision of boring hole | mm | H 7 | |
| Machining precision | Roundness | mm | 0.005 |
| Cylindricity | 0.01/300 | ||
| Milling flatness | 0.1 | ||
| Surface roughness | Boring | um | Ra2.5 |
| Milling | Ra3.2 | ||
| Main motor power | kw | 5.5 | |
| Overall dimensions (LxWxH) | cm | 260x163x230 | |
| Packing dimensions (LxWxH) | cm | 225x190x228 | |
| N.W/G.W | kg | 3500/3800 | |
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