OGIVAL PART MAKING METHOD Russian patent published in 2004 - IPC

Abstract RU 2240888 C2

FIELD: plastic metal working, namely manufacture of thin-wall parts by explosion forming.

SUBSTANCE: method comprises steps of placing envelope in die provided with seals; evacuating space between die and outer side of envelope; explosion forming at using transmitting medium due to successively initiating charges of explosion matter beginning from less diameter; selecting charge value and spacing from base according to part configuration; arranging seals in zone of technological allowances nearer to ends; preliminarily making annular grooves on outer side of technological allowance zones of small and large bases of envelope.

EFFECT: enhanced quality of parts due to increased accuracy degree of their contour, lowered cost for making parts.

2 cl, 3 dwg

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RU 2 240 888 C2

Authors

Bondar' A.V.

Gordon A.M.

Makarova V.N.

Dates

2004-11-27—Published

2002-12-04—Filed