presse à emboutir

OBS: emboutir : Transformer une plaque de métal, appelée flan, en une pièce de forme creuse et non développable.

OBS: drawing: A term used for a variety of forming operations ... The usual drawing process with regard to sheet metal working in a press is a method for producing a cuplike form from a sheet metal disk by holding it firmly between blankholding surfaces to prevent the formation of wrinkles while the punch travel produces the required shape.
OBS: dishing: Forming a shallow concave surface, the area being large compared to the depth.