Patent ID: 6578402
Filing Date: 2003-06-17
Classification: B21D,Y10T

Abstract:
A die assembly adapted for trimming at least a portion of a circumference of a drawn part, comprising:(a) a punch plate interconnected to a plurality of cam punches, said cam punches each having a longitudinal axis extending vertically, said plurality of cam punches each having a cam lobe; (b) a die plate having a part recess sized to receive at least a portion of the drawn part, the upper circumference of the part recess forming an exterior trim edge; (c) a stripper plate moveably interconnected to said punch plate and having a plurality of apertures for receiving said cam punches; and (d) a trim plate horizontally moveably mounted in said stripper plate, said trim plate having a plurality of lateral sides and a trim punch, wherein said cam punches respectively move said trim plate in a horizontal relationship with respect to the longitudinal axis of said cam punches by engaging said trim plate lateral sides with said cam lobes as said stripper plate is moved toward said punch plate, wherein excess material is trimmed from at least a portion of the circumference of the drawn part by the movement of said trim punch relative to said exterior trim edge.