Method and device for the embodiment in a head of screw of a slot for receiving a screwdriver

摘要

The invention relates to the machining of the slots of reception of a screwdriver in heads of screws, by mortaissage with the aid of a device comprising the tools 3 in number equal to that of the radial bloodletting is carried out in the heads of screws (four for a cross-shaped slot, for example), these tools being trained in the movements of translation out of phase in a body 1 is not rotating, by a nut 4 executant a precession movement about the axis 5 of the body 1 under the action of a rotary shaft elbow 2....