Chuck

Chuck for detachable connection of two machine parts (14), in particular, for chucking a machining module on a work table or a machine frame, with a chuck assembly (2) arranged on or in first machine part (1) and a cooperating complementary part (3) on or in second machine part (4), wherein chuck assembly (2) contains an axially displaceable tensioning element (6) and several gripper elements (7) associated with tensioning element (6) and radially movable by axial displacement of the latter, with a clamping surface (19) for contact with a corresponding opposing surface (20) of complementary part (3), characterized in that complementary part (3) contains an outer part (49), an intermediate part (50) arranged in outer part (49), and an inner part (51) arranged in intermediate part (50), which are connected to one another by flexible outer and inner webs (52, 53) and otherwise are separated by outer and inner gaps (54, 55), wherein intermediate part (50) and inner part (51) associated with gripper elements (7) are adjustable by means of adjusting elements (63) in different directions relative to outer part (49).