HYDRA Expansion Arbor with swing clamps – The hydraulic clamping device can be mounted directly on the machine table or on a pallet system, which in turn is equipped with a zero-point quick change system. The hydraulic clamping device can be used, for example, in a machining center to center a planet carrier in the internal gearing (tip circle clamping) and additionally to clamp it axially via swivel clamps.