Clamping Tools with Integrated
Hydraulic Compensation

With this range of clamping chucks and mandrels we can
offer you real leaders for high precision tool clamping. Thanks to the integrated hydraulic compensation, parts with extremely thin section that are prone to distortion can be clamped safely and with practically no deformation using these clamping tools – even with high chip production.

The Hydraulic Compensation Principle

is based on separating the centring process from the actual clamping process. First of all, the inserted workpiece is sensitively centred mechanically without any deformation. The clamping chucks are each operated separately hydraulically. This means that at the end of the centring process all of the chucks are applying the same force to the workpiece. Only then the requisite clamping force is applied by increasing the hydraulic pressure.

The great advantage of this unique and patented compensation principle: No round shape is forced on the workpieces by the clamping tools before machining – there is practically no transfer of circularity errors from the outside to the inside (or – in the case of chucks that clamp on the inside – from the inside to the outside).