SJMC
Cylinder Boring Machine T7220B
VERTICAL FINE BORING MACHINE T7220B & T7220C 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
Specification:
|
T7220B |
T7220C |
||
|
Max. boring
Diameter |
F200mm |
F200mm |
|
|
Max. Boring
Depth |
500mm |
500mm |
|
|
Diameter of
Milling Cutter Head 铣 |
/ |
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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