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ATORN hydraulic expansion chuck SK 50 50 x 8 mm

ATORN hydraulic expansion chuck SK 50 50 x 8 mm

ATORN hydraulic expansion chuck SK 50 50 x 8 mm
Item no: 1021674 107 

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Available in 5-7 working days.

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 50
Clamping diameter (d): 8 mm
Projecting length (A): 80,5 mm
Form: AD/AF
Outer diameter (D): 49,5 mm
Tapered diameter (d2): 24 mm
Diameter (d3): 28 mm
Clearance length to collar (l1): 30 mm
Clamp in depth (l2): 37 mm
Max. adjustment travel (max. V): 10 mm
Coolant supply: Internal
Balancing quality: G 2.5 at 25,000 rpm
Concentricity tolerance: 0,003 mm

ATORN-No.: 21040015

EAN no.: 4050293150995

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