网络环境基于特征参数化模具CADCAM研究

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1、合肥工业大学硕士学位论文网络环境基于特征参数化模具CAD/CAM研究姓名：王成勇申请学位级别：硕士专业：材料加工工程指导教师：王雷刚20040501ResearchonFeature—basedParameter-drivenMoldCAD／CAMunderNetworkEnvironmentABSTRACTThisPaDersetfoCUSonhowtousenetworkresourceforCAD／CAMunderwebenvironmentandhowtosharethedataofCAD／CAMthr

2、oughInteract&Intranet．Ittookthe3Ddesignofroll—forgingmoldandthe3Ddesignofitsroughcastsforexampletoillustratefeature-basedparameter-drivenCAD／CAMunderInteract＆Intranetenvironment．Firstly,designedthe2DkeysectionbasedoilhaternetorIntranet．Secondly，sweptthekeyse

3、ctionres仃mnedbylengthwayscontourtoconstructtheroughcast．Thirdly,inordertogainthemoldofroughcasts，considerofthespecialdeformationofrollforging，weintroducedanewobjectnamedvirtualmiddledummy．Thevirtualmiddledummytook血e2．Dinformationtothe3-Dmold．Virtualmiddledum

4、myinheritedthe3Dparametersfromroll·-forgingroughcast,andattheotherhanditwagattachedtheparametersofroll—forgingmold，suchastheparametersofforwardslideandthebackwardslide．Finally,usedBooleanmethodtobuildtheroll—forgingmoldonmoldbase．AsforCAM，firstly,verifiedabo

5、ve-mentionedroll-forgingmoldsolid，becauseasolidwithflawcan’tbetookintoCAMprocess．InCAMprocess，it’saimportantsteptochoosemachiningparameters．Toavoidlookingthemupinmanyhandbooks，aCAMparametersquerysystembasedonBIS&C／Swasdesigned．Inthissystemdifferentparameters

6、wererelatedinordertosimplifycAMdesignwork．Finally,throughcarefullyanalyzingtheinnersurfaceofroll-forgingmoldwetookthe4axesrevolvingmachiningmethodtosimulatetheprocessofmoldmachining，artdoptimizedthemachiningparameters，gottheNCIfileandFANUCsystemNCfile．Fromde

7、signof3Dmll-forg／ngroughcasts，designofroll-forgingmoldandmanufacturesimulatingofmold，authortriedtoillustratethewholeprocessofdesignandmanufactureaidedwithcomputer．Thisisthemainroutethatmodemfactoriesrecentlytake．Keywords：Feature—basedparameter-drivenmolding，

8、Virtualmiddledummy,CAD／CAM，Rollforgingmold，Manufacturingsimulatingofmold独创性声明本人声明所呈交的学位论文是本人在导师指导下进行的研究I作及取得的研究成果。据我所知，除了文中特别加以标志和致谢的地方外，论文中不包含其他人已经发表或撰写过的研究成果，也不包含为获得金胆王些盔堂或其他教百机构的学位或证书而使用过的材料。