发明名称 METHOD FOR MAKING ARTICLES SUCH AS WHEEL RIMS
摘要 FIELD: plastic metal working, possibly manufacture of wheel rims of transport vehicles, mainly of aluminum alloys. ^ SUBSTANCE: method comprises steps of preparing initial blank by pressing tube of hollow ingot and cutting prepared initial blank by measured-length piece blanks; then forming intermediate blank from measured length one; after heat treatment of intermediate blank, finishing it by calibrating in die sets used for intermediate blank forming. ^ EFFECT: lowered metal consumption due to reduced allowance for mechanical working, elimination of warping at working, enhanced efficiency of method. ^ 1 dwg, 1 ex
申请公布号 RU2261155(C2) 申请公布日期 2005.09.27
申请号 RU20030113479 申请日期 2003.05.07
申请人 发明人 VAL'KOV V.JA.;KRIVOPALOV I.V.
分类号 B21K1/28;B21D53/30;B21K1/38 主分类号 B21K1/28
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