• CB-NDR Collet Chucks - Pull to Close Dead Length Design for Servo Stop Bar Loaders

The CB-NDR is a patented Dead Length design for use with servo stop bar loaders. Unlike conventional dead length collet chucks, the NDR is actuated as the draw tube is drawn toward the machine spindle to prevent the bar from being pushed off the servo stop.

CB-NDR Features
  • Pull to Close Dead Length design produces no pull back and will not push the bar off the servo stop
  • Radial adjusting screws to true-up the chuck assembly within .0002” (0.005mm)
  • Lubricated-for-life design requires minimal maintenance
  • All components hardened and precision ground for highest accuracy and long life
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Model

Collet Model

Max. Clamping Diameter

Min. Clamping Diameter

Spindle Nose

Accuracy

Clamping Range

Linear Chuck Stroke

Max. Clamp Force

Max. Speed

Max. Draw Tube Thread

Weight

N/A SK65BZI N/A 2.625 in66 mm N/A 0.187 in5 mm N/A 140mm N/A .0008 in0.020 mm N/A +/- .020 in+/- 0.5 mm N/A .480 in12.2 mm N/A 23,605 lbs105 kN N/A 6,000 rpm N/A M75x2 N/A 37.9 lb17.2 kg
N/A SK65BZI N/A 2.625 in66 mm N/A 0.187 in5 mm N/A A2-5 N/A .0008 in0.020 mm N/A +/- .020 in+/- 0.5 mm N/A .480 in12.2 mm N/A 23,605 lbs105 kN N/A 6,000 rpm N/A M60x2 N/A 37.9 lb17.2 kg
N/A SK65BZI N/A 2.625 in66 mm N/A 0.187 in5 mm N/A A2-6 N/A .0008 in0.020 mm N/A +/- .020 in+/- 0.5 mm N/A .480 in12.2 mm N/A 23,605 lbs105 kN N/A 6,000 rpm N/A M75x2 N/A 37.9 lb17.2 kg
N/A SK65BZI N/A 2.625 in66 mm N/A 0.187 in5 mm N/A A2-8 N/A .0008 in0.020 mm N/A +/- .020 in+/- 0.5 mm N/A .480 in12.2 mm N/A 23,605 lbs105 kN N/A 6,000 rpm N/A M85x2 N/A 37.9 lb17.2 kg
N/A SK80BZI N/A 3.250 in82.5 mm N/A 0.500 in12 mm N/A A2-6 N/A .0008 in0.020 mm N/A +/- .020 in+/- 0.5 mm N/A .480 in12.2 mm N/A 25,853 lbs115 kN N/A 5,000 rpm N/A M80x2 N/A 57.8 lb26.2 kg
N/A SK80BZI N/A 3.250 in82.5 mm N/A 0.500 in12 mm N/A A2-8 N/A .0008 in0.020 mm N/A +/- .020 in+/- 0.5 mm N/A .480 in12.2 mm N/A 25,853 lbs115 kN N/A 5,000 rpm N/A M90x2 N/A 57.8 lb26.2 kg
N/A SK80BZI N/A 2.625 in66 mm N/A 0.187 in5 mm N/A A2-8 N/A .0008 in0.020 mm N/A +/- .020 in+/- 0.5 mm N/A .480 in12.2 mm N/A 23,605 lbs105 kN N/A 6,000 rpm N/A M90x2 N/A 52.12 lb23.64 kg
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