the spindle 2 which can be for example a ball screw spindle is guided in a nut 7 which is connected fixedly in the axial and radial directions in the pillow block 10 this pillow block 10 is fastened on the machine frame 1 at a spacing from the nut 7 a further nut 8 is positioned on the spindle 2 which is secured in a carriage 9 so as to be immobile axially and radially the threaded spindle 2 has two spindle sections 3 and 4 which have opposite axial pitch the spindle section 3 can be for example a right hand pitch and the spindle section 4 at the other end can be a left hand pitch the pitch directions of the nuts 7 and 8 are configured accordingly for driving the spindle 2 a motor 16 is provided whose motor shaft 17 is aligned with the spindle 2 and is connected to the end 5 of the spindle 2 by the clutch 18 for rotating the spindle 2 the motor 16 is axially movable and is secured against rotation about the entire length of its travel stroke for guiding the motor 16 a guide 20 is provided which is fastened on a console 23 which is fastened on a sidewall of the machine frame 1 the guide 20 has at least one guide path 21 provided on the console 23 and at least one guide shoe 22 is moveable.