Schunk Manual Lathe Chuck (vario M) - M3 250

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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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