New type fast centering T7220B vertical fine boring machineis mainly used to bore high accurate holes of cylinder body and engines sleeve and other accurate holes. The table longitudinal and latitudinal moving device; the workpiece fast centering device; boring measuring device; also provides optional digital readout for the table's longitudinal and cross moving accessories to serve the users.
Model |
T7220B |
|
Max. boring Diameter |
F 200mm |
|
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 |
Roundness |
0.005 |
|
Cylindricity |
0.02/300 |
|
Boring roughness |
Ra1.6 |
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 holes 21-48mm)
V-type cylinder fixture
Quick cylinder fixture