METHOD OF DETERMINING CONTOUR OF BLANK FOR DRAWING Russian patent published in 1997 - IPC

Abstract RU 2090285 C1

FIELD: plastic metal working at sheet forming, namely, drawing with use of technological openings, cutouts. SUBSTANCE: method comprises steps of applying coordinate network on blank with initial location, shape and dimension of openings, cutouts; drawing said blank; investigating deformation field: type of loading, path of deformation in critical points; selecting location of openings, cutouts; setting dimension and shape of openings; applying coordinate network, drawing blank and repeating steps until receiving high-quality part. EFFECT: enhanced accuracy of method. 1 dwg, 1 tbl

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RU 2 090 285 C1

Authors

Danilov N.A.

Pashutin V.P.

Osipov A.F.

Chapurin S.V.

Shishkin V.I.

Kornilov S.A.

Dates

1997-09-20Published

1994-09-13Filed