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ATORN short/slim hydraulic expansion chuck SK40 (ISO 7388-1) dia. 20 mm A=120 mm

ATORN short/slim hydraulic expansion chuck SK40 (ISO 7388-1) dia. 20 mm A=120 mm

ATORN short/slim hydraulic expansion chuck SK40 (ISO 7388-1) dia. 20 mm A=120 mm
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Item no: 1021710 203 

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Available in 5-7 working days.

Application
Produced using an innovative process, the ultra-slim hydro expansion chuck combines the advantages of an expansion chuck and a shrink-fit chuck in a single product.

Execution
  • Extremely high clamping forces
  • Extremely high temperature resistance (up to 120 °C) ensures that the chuck retains its accuracy
  • Slim shrink-fit chuck-style design makes it suitable for narrow interference contours
  • Excellent damping properties
  • Max. concentricity < 0.003 mm
  • Standard tool changes as with expansion chucks without requiring additional devices
  • Reducer bushings enable various applications
  • Balanced to G2.5/25,000 rpm
  • With Balluff chip hole

Delivery
1x ultra-slim SK30 or 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): 120 mm
Form: AD/AF
Outer diameter (D): 49,5 mm
Tapered diameter (d2): 28 mm
Diameter (d3): 36,4 mm
Clearance length to collar (l1): 80 mm
Clamp in depth (l2): 51 mm
Max. adjustment travel (max. V): 10 mm
Coolant supply: Internal
Suitable for thread (G): M16 x 1
Width across flats: 5 mm
Balancing quality: G 2.5 at 25,000 rpm
Concentricity tolerance: 0,003 mm

ATORN-No.: 21044997

EAN no.: 4050293435719

Product Datasheet
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