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ID:36496097
大小:1.78 MB
页数:59页
时间:2019-05-11
《冷拉伸滚压成形技术研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、贵州大学硕士学位论文冷拉伸滚压成形技术研究姓名:何玲申请学位级别:硕士专业:机械设计及理论指导教师:王自勤20070501原创性声明本人郑重声明:所呈交的学位论文,是本人在导师的指导下,独立进行研究所取得的成果。除文中已经注明引用的内容外,本论文不包含任何其他个人或集体已经发表或撰写过的科研成果。对本文的研究在做出重要贡献的个人和集体,均已在文中以明确方式标明。本人完全意识到本声明的法律责任由本人承担。论文作者签名:丛弓一盈釜一日期:上!12生』旦关于学位论文使用授权的声明本人完全了解贵州大学有关保留、使用学位论文的规定,同意学校保留或向国家有关部门或机
2、构送交论文的复印件和电子版,允许论文被查阅和借阅;本人授权贵州大学可以将本学位论文的全部或部分内容编入有关数据库进行检索,可以采用影印、缩印或其他复制手段保存论文和汇编本学位论文。(保密论文在解密后应遵守此规定)论文作者签名:二生五/出I师签名:罩Z碜日期:业乌如蠢簿大学机械工程学院2004缀颈士毕业论文ThestudyofformingofroIIingWithtensionABSTRACTAtpresent。thesteppedshaftpartisappliedtoindustry,suchasthemachinery,aviationextens
3、ively。Itsmaterial,thequalityofsurfaceandcomprehensivemechanicalperformanceareexpectedverymuch.Theintensityofthesteppedshaftpartexertsatremendousinfluencetothemachinelife—spanofwhole.Itsqualityinfluencesonitsperformanceofwerkandservicelifeofthemachinedirectly.However,besidesadopti
4、ngthecrosswedgerollinginafewpets。themachiningofthiskindofpartisstilladoptedtraditionalmachiningbycuttingatpresent.Toadoptthetraditionalmethodhasmanydisadvantages,suchaslowmaterialutilizationratio,heavyeonsumptionofenergy,lowproductivity,highcostandhighintensityoflabor,andsoorLThi
5、spaperintroducedanewmethodofmetalprocessin乎—rollingwithtension.whichapallingforceisappliedtorollingtheshaftpartatro∞temperature.Themethodovercomesmostdisadvantages,suchaspreheatingtheworkpiece,lowmaterialutilizationratio,greatenergyconsumptionandlowproductivityinothermethods。Them
6、ethodmkeshig}l-speedprocessvalidlythesteppedshaftparttobecomepossibleatroomtemperature.Atthesametime,improvestheproductquality.simplifiesthecraftoftheproduction,andthusobtainsthevariouseconomicbenefits.甜lisarticlehasfirstanalyzedthefomiIlgruleofthetechnologyofrollingwithtension,i
7、nferredtheprocessingformulasofrollingcondition,theproportionandactionforceoncomponentscontactedarea.The仉carriedontheconfirmationafter穗emassiveexperimentstoit,zollingwithtensionprocessingeffecthasbeengood.Finally。throughtheexperimentsofthestretch,theintensityandthemetallography,it
8、hasbeenconductedtheanalysistothemechanic
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