METHOD FOR PREPARING BLANK SURFACE FOR DRAWING Russian patent published in 2003 - IPC

Abstract RU 2196652 C1

FIELD: plastic metal working, namely wire drawing. SUBSTANCE: method for preparing surface of blank, mainly rolled rods for drawing comprises steps of forming on blank surface microrelief characterized with predetermined values of mean fluctuation R_a of profile and mean pitch S of irregularities; additionally setting mean length l_m of cross section of protrusions at level of mean line. Above mentioned parameters of microrelief of blank surface are normalized. EFFECT: lowered friction factor and wire drawing effort due to enhanced lubricant entrapping by blank at drawing process, reduced energy consumption. 1 ex, 1 tbl

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RU 2 196 652 C1

Authors

Platov S.I.

Terent'Ev D.V.

Urtsev V.N.

Morozov S.A.

Dates

2003-01-20—Published

2001-06-27—Filed