
Features:
T7220B is mainly used to bore high accurate holes of cylinder body and engines sleeve and other accurate holes.
1. The table longitudinal and latitudinal moving device;
2. The workpiece fast centering device;
3. Boring measuring device;
4. Also provides optional digital readout for the table's longitudinal and cross moving accessories to serve the users.
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Specification:
Boring measuring device
Spindle 75(Boring holes 76-115mm)
Spindle 56(Boring holes 57-78mm)
Spindle 45(Boring holes 46-60mm)
Universal spindle(Boring 21-48mm)
V-type cylinder fixture
Quick Cylinder Fixture


Vertical Fine Boring Machine Model: T7220B
| Model | T7220B |
|---|---|
| Max.Boring Diameter | Φ200mm |
| Max.Boring Depth | 500mm |
| 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 | 900mm |
| Table cross travel | 100mm |
| Machining accuracy (Dimension accuracy) | 1T7 |
| Machining accuracy (Roundness) | 0.005 |
| Machining accuracy (Cylindricity) | 0.02/300 |
| Machining accuracy (Surface roughness) | Ra1.6 |
| Overall DimensionsLxWxH | 1588x2210x2340mm |
| N.W/G.W. | 3300x3800kg |
| Packing DimensionsLxWxH | 1830x1730x2620mm |

Standard Accessories:
Spindle 150(Boring holes 151-200mm)Boring measuring device
Optional Accessories:
Spindle 110(Boring holes 111-165mm)Spindle 75(Boring holes 76-115mm)
Spindle 56(Boring holes 57-78mm)
Spindle 45(Boring holes 46-60mm)
Universal spindle(Boring 21-48mm)
V-type cylinder fixture
Quick Cylinder Fixture






