METHOD OF PRODUCING FORGED BLANKS OF TOOL, SUCH AS DISC MILLING CUTTERS Russian patent published in 1994 - IPC

Abstract RU 2023526 C1

FIELD: metal pressure forming. SUBSTANCE: method comprises steps of deforming an initial blank over two stages in a superductility state; at first stage drawing the blank along transitions, each transition provides six reduction operations with rotation around an axis by 60 degrees and with deformation no less, than 20% for one transition. At second stage the drawn blank with ratio of its length to its diameter no more, than 2.5, is being end upset up to its final dimensions. EFFECT: enhanced quality of blank, being produced. 1 cl

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RU 2 023 526 C1

Authors

Ermachenko A.G.

Lobodina T.N.

Dates

1994-11-30—Published

1991-05-14—Filed