I have a square D2 die that is experiencing die fatigue in the corners which have a .143R. Here is a picture of the fatigued corner [http://files.engineering.com/getfile.aspx?folder=06041405-c0cb-4946-922e-63e1423fec33&file=DSCN0788.JPG], the die square measures 1.5" AF. The die is used in...
I am a ME doing die design for impact extrusion/cold forging tooling for aluminum. I am working on a secondary die for an impact extruded 1" square can that forms a shoulder on the closed end of the part, it is a square shoulder that requires approximately 32 tons to form. The die is a piece...