Vertical Boring Milling Machine T7220B is 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.
Main specifications:
Model |
T7220B |
T7220C | |
Max. boring Diameter |
F200mm |
F200mm | |
Max. Boring Depth |
500mm |
500mm | |
Diameter of Milling Cutter Head |
/ |
250mm (315mm is optional) | |
Max .Milling Area (L x W) |
/ |
850x250mm (780x315mm) | |
Spindle Speed Range |
53-840rev/min |
53-840rev/min | |
Spindle Feed Range |
0.05-0.20mm/rev |
0.05-0.20mm/rev | |
Spindle Travel |
710mm |
710mm | |
Distance from Spindle Axis to Carriage Vertical plane |
315mm |
315mm | |
Table Longitudinal Travel |
900mm |
1100mm | |
Table Longitudinal feed speed |
/ |
55、110mm/min | |
Table Longitudinal quick move speed |
/ |
1500mm/min | |
Table cross travel |
100mm |
100mm | |
Machining accuracy |
Dimension Accuracy |
1T7 |
1T7 |
Roundness |
0.005 |
0.005 | |
Cylindricity |
0.02/300 |
0.02/300 | |
Boring roughness |
Ra1.6 |
Ra1.6 | |
Milling roughness |
/ |
Ra1.6-3.2 |
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