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ATORN hydraulic expansion chuck SK40 dia. 20 mm A=64.5 mm short/heavy

ATORN hydraulic expansion chuck SK40 dia. 20 mm A=64.5 mm short/heavy

ATORN hydraulic expansion chuck SK40 dia. 20 mm A=64.5 mm short/heavy
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Item no: 1021580 101 

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Still in stock: 4

Application
For high precision centric clamping of drilling, reaming and milling tools.

Execution
  • Concentricity tolerance < 0.003 mm
  • With axial longitudinal adjustment
  • Reducing sleeves for flexible application
  • Coolant pressure up to 80 bar
  • Temperature-resistant up to 50 °C

Advantage
  • Vibration-damping effect reduces micro-cracks and improves workpiece surfaces
  • Damping properties increase the service life of the tool and machine spindle
  • High torque transfer (dia. 20 = 400 Nm/dia. 32 = 730 Nm)
  • All standard shanks can be clamped (dia. tolerance h6)

Delivery
1x SK40 hydraulic expansion chuck (ISO 7388-1)

Notes
The previous standard DIN 69871-1 was replaced by ISO 7388-1.

Brand: ATORN
Tool holding device: SK 40
Clamping diameter (d): 20 mm
Projecting length (A): 64,5 mm
Form: AD
Outer diameter (D): 51 mm
Clamp in depth (l2): 61 mm
Max. adjustment travel (max. V): 10 mm
Coolant supply: Internal
Suitable for thread (G): M16 x 1
Balancing quality: G 2.5 at 25,000 rpm
Concentricity tolerance: 0,003 mm

ATORN-No.: 21040010

EAN no.: 4050293359183

Product Datasheet
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