Cylinder Boring-Milling Machine T7220C
T7220C is mainly used for fine boring high accurate holes of cylinder body and engine sleeve,
also for other accurate holes.
1. The table longitudinally and cross moving devices.
2. The workpiece fast centering device.
3. Boring measuring device.
4. Digital read-out device(user quest).
5. The table longitudinal moving.
| Model | T7220C | |
| Max.Boring Diameter | Φ200mm | |
| Max.Boring Depth | 500mm | |
| Diameter of Milling Cutter Head | 250mm (315mm is optional) | |
| Max .Milling Area (L x W) | 850x250mm (780x315mm) | |
| Spindle Speed Range | 53-840rev/min | |
| Spindle Feed Range | 0.05-0.20mm/rev | |
| Spindle Travel | 710mm | |
| Distance from Spindle Axis to Carriage Vertical plane | 315mm | |
| Table Longitudinal Travel | 1100mm | |
| Table Latitudinal Travel | 100mm | |
| Table Longitudinal feed speed | 55,110mm/min | |
| Table Longitudinal quick move speed | 1500mm/min | |
| Table cross travel | 100mm | |
| Machining accuracy (Dimension accuracy) | 1T7 | |
| RMachining accuracy (Milling Roughness) | 1T8 | |
| Machining accuracy (Roundness) | 0.005 | |
| Machining accuracy (Cylindricity) | 0.02/300 | |
| Boring Roughness | Ra1.6μm | |
| Milling Roughness | Ra1.6~3.2μm | |
| Overall DimensionsLxWxH | 2610x1655x2345mm | |
| N.W/G.W. | 3800x4200kg | |
| Packing DimensionsLxWxH | 1830x1964x2535mm | |