Can manufacturing method and device

Abstract

To provide a can manufacturing method performing air assist capable of smoothly pulling out a punch from a processed can by appropriately performing air assist. Provided is a can manufacturing method including drawing and/or drawing-and-ironing using a press machine, the method including stripping that includes removing a punch from a can after the drawing and/or the drawing-and-ironing. In the stripping, air is blown out from an air blowing port at a tip end of the punch to perform air assist of assisting extraction of the punch. In the air assist, a pressure of the air and/or a blowing timing of the air is adjusted for each shot to a pressure and/or a blowing timing according to a condition of the shot.

Dependencies are inferred from the claim text.