Product Details
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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