机械专业毕业论文翻译.doc

机械专业毕业论文翻译.doc

ID:49649921

大小:2.00 MB

页数:29页

时间:2020-03-03

机械专业毕业论文翻译.doc_第1页
机械专业毕业论文翻译.doc_第2页
机械专业毕业论文翻译.doc_第3页
机械专业毕业论文翻译.doc_第4页
机械专业毕业论文翻译.doc_第5页
资源描述:

《机械专业毕业论文翻译.doc》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库

1、附录3翻译原文Blankdesignandformabilitypredictionofcomplicatedprogressivediestampingpartusingamulti-stepunfoldingmethodZhangZhibing,LiuYuqi,DuTing,LiZhigangStateKeyLabofMaterialProcessingandDie&MouldTechnologyfHuazhongUniversityofScience&Technology,Wiman,Hiibei430074,ChinaarticleinfoArticlehisto

2、ry:Received17March2007Receivedinrevisedform12July2007Accepted24November2007AbstractAmulti-stepunfoldingmethod(MSUM)isdevelopedforblankdesignandformabilitypredictionofcomplicatedprogressivediestampingpart.Inthemethod,afiniteelementmodeloftheinverseapproach(IA)isdevelopedatalocalareaaccordi

3、ngtothestampingprocess,andtheintermediateshapeisunfoldedonareferencesurfaceatthelocalarea.Notonlytheinfluenceoftheconnection.blank-holderforceandthefriction.butalsotheinfluenceoftheoffsettingofthestrainneutrallayerwithdifferentradiusofcurvatureatlocalarea,areconsideredinthemodel.whichimpr

4、ovesthecalculationprecisionoftheblankshapeateachstep.Thekeyintermediateblankshapesandinitialblankshapecanbegeneratedusingthemethodwithmanytimesinaninversesequence.Theoptimumblankshapealsocanbedesignedaccordingtotheformabilityoftheformingpart.TheMSUMisillustratedtotheblankdesignofaprogress

5、ivediestampingpart,andabenchmarktestiscomparedwithexperimentalandothernumericalresults.Keywords:BlankdesignProgressivedieMulti-stepunfoldingmethodInverseapproach1.IntroductionAlargenumberofpartsonautomobilebodyaredeformedbystamping,andsometimesthefeaturesofthestampingpartsareverycomplicat

6、ed.Inordertoimprovethequalityandtheefficiencyofproducts.manypartsareformedusingprogressivedieprocess.Comparingwithsimplepresstool,progressivediehastheadvantagesofhighqualityandefficiencyofproduct,whichisespeciallysuitableforlarge-lotproductioninashortdeliverytime.However,itisverydifficult

7、todesignstriplayoutinprogressivediedesign,andonlytherichexperienceandtechnicalengineersarecompetenttodoitwell.Inthestriplayoutdesign,firstly,thestampingprocesssequenceisdesignedaccordingtothepartfeatureswithexperienceandsimpletheoreticalformula.Secondly,theshapeatea

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。