ATORN high-perfor. hydraulic expansion chuck SK40 dia. 20 mm A=64.5 mm case set
Brand: ATORN
Art.-no. 23733751
Manufacturer article no. 21044989
EAN 4050293433715
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
- 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
Notes
The previous standard DIN 69871-1 was superseded by ISO 7388-1.
Delivery
1x SK40 hydraulic expansion chuck (ISO 7388-1) in case set; incl. reducing sleeves
 | |
Brand | ATORN |
Tool holding device | SK 40 |
Construction length | Short-heavy |
Clamping diameter (d) | 20 mm |
Projecting length (A) | 64.5 mm |
Form | AD |
Outer diameter (D) | 42 mm |
Clamp in depth (l2) | 51 mm |
Max. adjustment travel (max. V) | 10 mm |
Coolant supply | Internal |
Balancing quality | G 2.5 at 25,000 rpm |
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