METHOD FOR MANUFACTURING LARGE-SIZE ARTICLES Russian patent published in 1994 - IPC

Abstract RU 2007246 C1

FIELD: stamping. SUBSTANCE: method involves blank deformation in a die through processing changes with a fixed turning of the blank after each change. At first the blank is deformed with partial deformation of a finished article through height. Then the blank is deformed in an additional die finishing the forming of the finished article. The blank is deformed in dies with identical die impression on the upper and lower plates. EFFECT: improved quality. 4 dwg

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RU 2 007 246 C1

Authors

Pljusnin R.A.

Pavlov I.P.

Dates

1994-02-15—Published

1991-09-19—Filed