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ATORN high-perfor. hydraulic expansion chuck BT40 dia. 20 mm A=72.5 mm case set

ATORN high-perfor. hydraulic expansion chuck BT40 dia. 20 mm A=72.5 mm case set

ATORN high-perfor. hydraulic expansion chuck BT40 dia. 20 mm A=72.5 mm case set
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Item no: 1021654 123 

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Available in 5-7 working days.

Application
For high-precision and centric clamping of milling, drilling and reaming tools – particularly with milling and heavy-duty machining during rough machining.

Execution
  • Concentricity tolerance < 0.003 mm
  • With axial longitudinal adjustment
  • Reducing sleeves for flexible application
  • Very high concentricity (< 3 µm)
  • Coolant pressure up to 80 bar
  • Temperature-resistant up to 100 °C

Advantage
  • Robust version ideal for HPC+HSC machining
  • Damping properties to increase service life of tool and machine spindle
  • Very high torque transfer (dia. 20 = 650 Nm)
  • All standard shanks can be clamped (dia. tolerance h6)
  • Vibration-damping effect reduces micro-cracks and improves the workpiece surface

Delivery
1x high-performance BT40 hydraulic expansion chuck (ISO 7388-2) in case set incl. reducing sleeves

Notes
The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.

Brand: ATORN
Tool holding device: BT 40
Clamping diameter (d): 20 mm
Projecting length (A): 72,5 mm
Outer diameter (D): 49 mm
Clamp in depth (l2): 51 mm
Max. adjustment travel (V): 10 mm
Form: JD/JF
Coolant supply: Internal axial
Concentricity tolerance: 0,003 mm
Balancing quality: G 6,3 at 25000 rpm

ATORN-No.: 21044990

EAN no.: 4050293433722

Product Datasheet
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