资源描述：
《模具专业毕业论文外文翻译 精密体积成形模具的设计制造及发展.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、VolumeprecisionformingmolddesignandmanufacturinganddevelopmentAuxiliaryprocessingtechnologyintheproductionprocess,improvedielifeisacomplexcomprehensiveissues・Allforgingprocess,especiallythenetshapeandapproximatenetformprocessingtechnologyMuchdependsontheaccuracyandquali
2、ty,dependingonthetechnologylevelofmould.Mouldtechnologyreflectedinmouldingdesignandmanufacturing,Anddielifewiththeabovetwo1inksintheoutside9stillandusethe1ink.Improvedielifeisofgreateconomicbenefits,generallyinthetrialproductionmoldtoolingcostaccountingforstageproductio
3、ncostofabout25%,andfinalizethedesignproductionisonly10%.Dieearlyfailureforms,manyforthepunchanddieoffractureboreedgecollapse,flashinthebridgechap,cavityoccurredcrackatthebottom.Manyfactorsinfluencethelifeofdieawiderangeanddiedesignthelifeofdieisbased・Diedesignlinkisrefe
4、rstothemouldstructureplan,setFormingdesignanddeterminethecavityofthesteel,mouldhardnessetc.Mouldmanufacturingprocessistopointtodiemakingtechnology,heattreatmentstandardandsurfacetreatmenttechnology,etc.Inthispaper,onlyfromthemolddesignanddiemanufacturingtwoaspectstostud
5、yandimprovethelifeofdiemeasures.1,thereasonabledesignprecisionvolumeforminga(fineforging)Dieforgingsshouldtrytoavoidwithhoies,narrowslot,Angle,shapeshouldasfaraspossibleissymmetrical,eveniftheycan'tdoaxisymmetric,alsohopetoachieve,Undersymmetricalorleft,rightsymmetry.To
6、designmoldpullingoutrake,avoidstressconcentrationanddieforgingunits,increasingthepressureovercomeeccentricloadingandmouldwearnotequaldefect・ForforgingdiecavityedgeandbottomfilletradiusR?designshouldensureforgingscavityiseasilyfilledwiththepremiseofamplification.Ifthefil
7、letradiusistoosmall,easilycavityedgeinhightemperatureandhighpressureofcollapse,theseriouswillformthereversedcone,influencedieforgingsthemold.SuchasthebottomfilletradiusRistoosmallandisnotsmoothtransition,it'seasytocrackandwillcontinuetoexpand.Whenthemoulddesignshouldmak
8、efulluseofCADsystemforproductsfunction2dand3ddesign9toensurethattheproductstotheunityoftheoriginalinformationa
