Contoured thickness blank for ammunition cartridges

An austenitic stainless steel ammunition cartridge includes an outer region and a base, wherein the outer region is about 50%-80% of the thickness of the base, which serves to minimize the sidewall ironing required to form the cartridge. The cartridge blank can be formed by spin forming, compression...

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Bibliographische Detailangaben
Hauptverfasser: SCHERRER DANIEL KEITH, DOUTHETT JOSEPH ALAN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An austenitic stainless steel ammunition cartridge includes an outer region and a base, wherein the outer region is about 50%-80% of the thickness of the base, which serves to minimize the sidewall ironing required to form the cartridge. The cartridge blank can be formed by spin forming, compression forming, grinding, or a combination thereof. Tooling to form the insert can include at least a pair of blocks and inserts, at least one insert defining a centrally positioned aperture.