Tool Clamping Solutions
Schunk Manual Lathe Chuck (vario M) - M3 250
QUANTITY
Can be retrofitted in less than 3 minutes
Segmented arbor or I.D. clamping in combination with 3-jaw manual chuck ROTA-S plus 2.0 in modified design. For use of vario M an additional cone must be ground on the chuck bore; has to be ordered separately.
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Field of application
- On mill/turn machines
- on welding systems
Product features:
- Expansion arbor
- Suitable for: ROTA-S plus 2.0 250
Technical data:
- Max. RPM: 4200 1/min
- Max. clamping force: 105 kN
- Max. actuation torque: 45 Nm
- Clamping range: 50 - 80 mm
- Covering range: ± 0.25 mm
- Max. clamping length: 49 mm
- Weight: 6.8 kg
Note:
- The expansion arbor can only be used in combination with ROTA-S plus 2.0 with ground taper
| Characterization | ID | Expansion arbor for | Min. clamping Ø [mm] | Max.Clamping(mm) | Max. clamping force [kN] | Max. actuation torque [Nm] | Max. RPM [1/min] | Compensation in Ø [mm] | Max. clamping length [mm] | Weight [kg] |
| vario M3 200 | 8704878 | ROTA-S plus 2.0 250 | 50 | 80 | 105 | 45 | 4200 | ± 0.25 | 49 | 6.8 |
- Easy changeover on an expansion arbor without changing the lathe chuck - High-precision clamping of smallest inner diameters
- Visual safety devices - Maximum operating safety
- Ergonomic, light safety spanner wrench - Ensures easy operation
- All functional parts are ground and hardened - High run-out and jaw change repeat accuracy
To clamp small inner clamping diameters, the ROTA-S plus 2.0 in sizes 200 and 250 can be supplemented with a vario M arbor. The vario M arbor is available in four sizes, and can precisely clamp inner diameters from 20 - 80 mm. The vario M arbor can be directly fastened to the lathe chuck. The set-up process takes less than 5 minutes.
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