NBC Model – The Piston movement is internal only. In this model, coolant is available through the chuck body. The chuck is more stable hence rotate at higher rpm.
Below is an example of custom jaws for model 80/115-3-2.5 NBC
High Speed Air Chuck
High speed precision air chucks are designed to spin at up to 6000 rpm. The high speed air chuck has a large back body with smaller front, allowing easier access to the workpiece while maintaining very large gripping force at high rotating speed.
Repeatability is 0.002mm or 0.00008".
Chuck size ranges from 80mm to 105mm or 3 in up to 4 inch (front side). Larger chucks are available upon request.