Quick change collet chuck CB-NS, axially fixed collet

At the chuck series CB-NS the collets are engaged in a coupling in the chuck body. Through the forward movement of the drawtube a connected sliding sleeve with cone is moving forward. Thereby the collet makes a radial clamping movement without pull down effect of the workpiece.

The CB-NS series is designed similarly to the CB-ND series. The difference is the smaller construction whereby the chuck is suitable to a 2nd spindle perfectly. 

Specifications:

Chuck type Through bore mm Clamping range mm Drawtube stroke mm Drawtube force max. daN Clamping force max. daN Max. Speed rpm. Weight kg
CB42-NS 42,0 +/- 0,5 4 3.580 6.425 6.000 7,6
CB65-NS 66,0 +/- 0,5 4 4.590 8.260 6.000 10,9

 

Dimensions:

Order-No. A B C D E F G H
CB42-NS/110 78,6 117,5 125,7 125,7 32,5 32,5 102,9 9,0
CB42-NS/140 78,6 117,5 125,7 151,1 19,0 38,4 102,4 9,0
CB42-NS/A4   78,6 117,5 125,7 125,7 38,9 38,9 102,9 9,0
CB42-NS/A5 78,6 117,5 125,7 164,6 19,8 38,4 102,4 9,0
CB65-NS/A140 98,7 139,7 158,7 158,7 40,3 40,3 115,3 9,0
CB65-NS/A5 98,7 139,7 158,7 158,7 45,3 45,3 120,3 9,0
CB65-NS/A6 98,7 139,7 158,7 164,6 22,2 45,3 120,3 9,0

 At the chuck designation the adapter plate size is given after the slash:

  • A6 means adapter plate according to DIN ISO 702-1 Size 6 (former DIN 55026)
  • 140 means adapter plate with cylinder pilot 140 mm

 Other adapter plate sizes are available on request

Features:

  • Chuck sizes from 42 until 65 mm through bore
  • Axially fixed collet without pull down effect guarantee an unchanged Z-Position while clamping the workpiece 
  • Low outer diameter and a short overall length increase the space for tools and the possible travels of the Z-Axis
  • Radial alignment screws
  • Through the lifetime lubrication the chucks need a minimal maintenance
  • All components are hardened and ground for a high accuracy
  • Part stops and part ejectors can be installed in or at the chuck
  • Maximum spindle speed 6.000 rpm.

Key features:

  • Axial fix
  • Part stop possible
  • Operation through pressure
  • Small outside diameter

Delivery contents:

  • Chuck
  • Adapter plate
  • Drawtube connector
  • Instruction Manual