DRAWING DIE SET FOR DOUBLE ACTION PRESS Russian patent published in 2001 - IPC

Abstract RU 2173596 C2

FIELD: sheet forming equipment, possibly drawing body parts of motor vehicles. SUBSTANCE: drawing die set includes holder, punch, die, П-shaped braking lip arranged along edge of die window. Descending radius of П-shaped braking lip to window of die is selected equal to (8-12)s; its width is equal to two descending radiuses. Invention allows to use shaped material of braking lip in article. EFFECT: lowered percentage of waste of thin sheet cold rolled products. 1 dwg

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RU 2 173 596 C2

Authors

Osipov A.F.

Afanas'Ev E.V.

Chapurin S.V.

Dates

2001-09-20Published

1999-08-17Filed