MACHINE FOR STAMPING CURVED BLANKS

摘要

The invention relates to a machine (3) for stamping a blank (1), including a die (7), a punch (5), a blank holder having a curved surface (9), and nests (13) for centering a blank (1) to be stamped relative to said blank holder. The machine is characterized in that at least one of said nests (13) has a profile (19) substantially corresponding to the path followed by the edge (17) of the blank (1) engaging with said nest (13) when said blank (1) tightly bears on said surface (9) by means of its own weight.