ROTA NCR Precision 6-Jaw Compensation Chuck

The clamping of thin-walled and easily deformed components is challenging. With the ROTA NCR 6-jaw compensation chuck, SCHUNK offers a standard solution for this type of workpiece. SCHUNK has standardized the sizes of the ROTA NCR with diameters up to 1200 mm opening up the possibilities for precision workpiece clamping with large lathe chucks.


The ROTA NCR consists of a central chuck piston, which has three inner pendulums positioned at 120°. Each pendulum works in conjunction with three pairs of base jaws, resulting in 6-point contact. With clamping force points being aligned towards the chuck center of rotation, even pre-machined parts can be centered without deformation of the workpiece. The ROTA NCR is available in sizes 165, 200, 250, 315, 400, 500, 630, 800, 1,000 and 1,200 mm diameters.

SCHUNK's ROTA NCR chuck offering can be utilized on virtually any turning application. It also offers the possibility for air and coolant feed through.

Featured Product

SCHUNK's New Safety Gripping System EGN

SCHUNK's New Safety Gripping System EGN

With the SLS, SOS, and STO functionalities, the SCHUNK EGN gripping system certified in accordance with DIN EN ISO 13849 enables safe human/machine collaboration. If the production process is interrupted by an emergency shut-off, the SCHUNK EGN goes into either a safely limited speed mode or a safe stop mode depending on the activated protection zone. In contrast to other solutions available on the market, the SCHUNK safety gripping system is continuously powered even in the safe operating stop so that the gripped parts are reliably held even without mechanical maintenance of gripping force. As soon as the protection zone is released, the gripper immediately switches back to the regular operating mode without the system having to be restarted.