发明名称 |
APPARATUS FOR DRAWING AND TRIMMING PARTS |
摘要 |
FIELD: plastic metal working, possibly equipment for cold sheet forming, namely for drawing and trimming allowance along contour of thin-sheet parts. SUBSTANCE: apparatus includes punch mounted in upper plate by means of elastic sleeve through punch holder and arranged in metallic bushing with cutting edge. Holder engaging with member for fixing blank position is spring-loaded relative to upper plate by means of set of elastic sleeves. Fixing member is mounted in lower die to which elastic disc is pressed-in. EFFECT: enhanced strength of parts due to thickened portion of material in zone of joining bottom with wall. 2 dwg
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申请公布号 |
RU2194590(C2) |
申请公布日期 |
2002.12.20 |
申请号 |
RU20000130401 |
申请日期 |
2000.12.04 |
申请人 |
SITET IM. S.P. KOROLEVA;SAMARSKIJ G AEHROKOSMICHESKIJ |
发明人 |
KOMAROV A.D.;BARVINOK V.A.;MOISEEV V.K.;EVDOKIMOVA E.JU.;SHAROV A.A. |
分类号 |
B21D22/30;B21D24/16;(IPC1-7):B21D22/30 |
主分类号 |
B21D22/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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