Patent ID: 11897017
Assignee: ADM28 S.ÀR.L
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A method for forming a material blank, comprising:
placing the material blank to be deformed between a die and a blank-holder, wherein a face of the die facing the blank-holder is intended to give a final shape to the material blank;
deforming the material blank by stamping using at least one punch that exerts a force pushing the material blank toward the die, in order to obtain a pre-stamped material blank;
filling a cavity with a liquid, the cavity at least partially defined by the at least one punch, at least one pair of electrodes being located in the cavity and the pre-stamped material blank being in contact with the liquid in the cavity; and
deforming the pre-stamped material blank against the die by generating at least one electrical discharge between the at least one pair of electrodes.