Patent ID: 6772667
Filing Date: 2004-08-10
Classification: B21D,B22D,Y10S,Y10T

Abstract:
A self-aligning punch assembly adapted for use in a press having upper and lower platens and configured to remove flash from an opening in a cast part, said punch comprising:a) a stationary punch formed with a through axial aperture and an attachment shaft configured to attach to a respective one of the upper and lower platens, and a cutting surface; and b) a moving punch formed with an axial aperture and a tapered region that terminates with a cutting shoulder, wherein the axial aperture is adapted to receive the attachment shaft of the stationary punch; wherein both the axial aperture and the height of the moving punch are dimensioned such that the moving punch is horizontally and vertically moveable about the stationary punch relative to at least one of said platens.