Patent ID: 6032508
Filing Date: 2000-03-07
Classification: B21J

Abstract:
A forging apparatus to near net warm forge an axi-symmetrical workpiece into a part which includes at least one side surface and at least one protrusion (i) extending outwardly from the side surface and (ii) laterally spaced from a longitudinal central axis of the part, the apparatus comprising:a female die including a cavity defined partially by a first inner surface and a recess extending inwardly into the first inner surface; anda punch slidably received within the cavity during the forging stroke, the punch comprising:a first side surface which mates with the first inner surface of the female die during the forging stroke; anda bottom surface including a first surface oriented at an acute angle relative to the direction of the forging stroke and extending downwardly, the first surface being located at a side surface of the punch opposite to the first side surface;wherein the first surface moves material laterally within the cavity during the forging stroke to form the protrusion in the recess.