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MicroCentric's revolutionary Quick Change Collet System features a segmented Collet which is bonded by vulcanized rubber to form a single clamping element. This collet is collapsed by a special changing fixture to rapidly install and remove it from the collet chuck. MicroCentric Collet Chucks are available in pull back and fixed collet designs. Standard chucks are designed to mount to your machine's spindle nose, and use the existing draw tube and hydraulic actuator.
Model Capacity Range
SK42BZI 1.65" +/-.020"
  42mm +/-0.5mm
SK65BZI 2.56" +/-.020"
  65mm +/-0.5mm
SK100BZI 3.94" +/-.040"
  100mm +/-1.0mm
SK120BZI 4.72" +/-.040"
  120mm +/-1.0mm
SK140BZI 5.51" +/-.040"
  140mm +/-1.0mm

 

 
MicroCentric Quick Change Collet chucks are operated by a simple mechanical principle which not only minimizes frictional forces within the chuck, but is also extremely rigid. This design together with the parallel clamping action of the MicroCentric Collet yields a superior chuck for demanding metalworking applications. System features include:
Change collets in 30 seconds 
Parallel clamping design generates higher chucking forces than traditional collet and three jaw chucks
  • .0004" TIR standard
  • .0004" TIR Ultra Accuracy available as an option
 
New Fixed Length design with reduced OD for maximum tool clearance. CB-ND chucks are lubricated for life and feature adjusting screws to accurately true-up the chuck during installation. Removeable stop plates and stop housings are available for conversion to chucking work.

Low profile Fixed Length design for sub spindle applications. Some models include integral stop plates for part locators and ejectors.

 

The CB-B & CB-K are Pull Back style chucks that maximize the efficiency of the chucking system by concentrating all forces in the direction of the machine spindle. The collet is pulled into the chuck body during clamping, yielding greater accuracy and maximum rigidity. CB-K series chucks feature a removable stop plate for fast conversion from bar to chucking work.

A self-contained Pull Back style collet chuck with built-in hydraulic cylinder for stationary applications. The Pull Back design of the CB-NR chuck maximizes the efficiency of the chucking system by concentrating all forces in the direction of the machine table, and positions the workpiece firmly against the part stop.

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