ROTA NCX 260-81 A6-SFGX
3-jaw power chuck with jaw quick-change for short-stroke cylinder
ID 800821
Power lathe chuck with standard jaw quick-change system
Product features:
Product features:
- 3-jaw wedge-bar chuck
- Jaw quick-change system
- Through-hole: 81 mm
- Spindle holder: ISO 702-1 Nr. 6
- Jaw interface: Angled serration
- Stroke per jaw: 5 mm
- Tooth pitch: 3.4 mm
- Piston stroke: 21 mm
- Max. clamping force: 128 kN
- Max. actuating force: 68 kN
- Max. RPM: 4500 1/min
- Weight: 41 kg
Technical data
| Spindle type | ISO 702-1 |
|---|---|
| Spindle size | Nr. 6 |
| Serration | Angled serration |
| Max. RPM [1/min] | 4500 |
| Max. clamping force [kN] | 128 |
| Max. actuating force [kN] | 68 |
| Stroke/jaw [mm] | 5 |
| Tooth pitch [mm] | 3.4 |
| Piston stroke (H) [mm] | 21 |
| Moment of inertia [kgm²] | 0.37 |
| Weight [kg] | 41 |
Clamping force-RPM-diagram
Clamping force-RPM-diagram
- X Axis:
- n [min-1]
- Y Axis:
- Fsp [kN]
- brown
-
SHF 250
- yellow
-
SFA-AL 250
- red
-
SFA 250
- green
-
Required minimum clamping force Fspmin 33%
General notes about the series
Definition clamping force
The clamping force is the arithmetic sum of the individual forces occuring at the chuck jaws, distance “H“ at maximum pressure and maximum torque. The specifications exclusively refer to the grease used by SCHUNK.
Scope of delivery
Chuck, 1 set of base jaws with screws, jaw change wrench, mounting wrench for turnable ring, blank draw nut, eye bolt, chuck mounting bolts and operating manual