STAMPING PROCESS FOR A SHEET BLANK TO FORM AT LEAST ONE EMBEDDED PART WHICH INCLUDES FIXING LEGS

摘要

The invention relates to a method of stamping a sheet blank (1) by means of a set of stamping presses to form at least one stamped part, said method comprises a first forming operation which comprises a step of cutting in the sheet metal blank (1) of two lateral edges of a strip (111) which connects two parts (11; 12) of said sheet metal blank (1), characterized in that said first forming operation also comprises a step stamping to form along said strip (111) at least one corrugation (114), said at least one corrugation (114) being in relief from at least one of the two faces of said sheet blank (1), creating a elongation of said strip (111) along said at least one corrugation (114).