BUCKLING PREVENTION BY LATERAL FLUID PRESSURE IN DEEP-DRAWING

被引：34

作者：

YOSSIFON, S ^{[1
]}

TIROSH, J ^{[1
]}

机构：

[1] TECHNION ISRAEL INST TECHNOL,FAC MECH ENGN,HAIFA,ISRAEL

来源：

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 1985年 / 27卷 / 03期

关键词：

INTRODUCTION The buckling phenomenon in deep drawing processes was recognized as a major obstacle in limiting the ability to produce sound deep drawing products; where blank holder is absent (due to mechanical reasons or others). It appears to be particularly pronounced when relatively thin blanks are used and/or relatively high drawing ratio (say b/a > 2) are used. Geckler [1] was apparently the first one to tackle the problem analytically. He formulated an approximate relationship between the occurrence of buckling; the number of buckled waves and the properties of the material used. Senior [2] elaborated this relationship by using one-dimensional instability analysis (as if the flange area is an infinite narrow strip). Kafutanglu [3] expanded the analysis to incorporate work hardening materials with associated experiments; but again on the basis of one-dimensionality. Yu and Johnson [4] were successful in providing 2-D solutions to few blank holding conditions; causing previous solutions to be particular eases to their solution. Although the hardening behavior of the * This research was sponsored by the Stiftung Volkswagenwerk Foundation; Hannover; F.R.G; Grant 033-666. ) Currently visiting scientist; Faculty of Mechanical Engineering; M.I.T; Cambridge; Massachusetts; U.S.A;

D O I：

10.1016/0020-7403(85)90058-X

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

引用

页码：177 / 185

页数：9

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