Patent ID: 6508155
Filing Date: 2003-01-21
Classification: B21D,B22D,Y10S,Y10T

Abstract:
A self-aligning punch adapted for mounting in a press having opposing platens and configured to remove flash from an opening in a cast part, the punch comprising:a) a first punch, the first punch further comprising: an attachment shaft having an axial aperture and configured to attach to a first of the opposing platens; and a separate cutting portion; wherein the attachment shaft and the cutting portion are in releasable communication; and wherein the first punch moves axially with the first platen but is constrained against axial and transverse movement with respect to the first platen after attachment thereto; b) a second punch formed with an axial aperture and a tapered portion that terminates with a cutting shoulder and wherein the axial aperture is adapted to receive the attachment shaft in a manner that permits axial and transverse movement of the second punch with respect to the first punch.