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1、VolumeprecisionformingmolddesignandmanufacturinganddevelopmentAuxiliaryprocessingtechnologyIntheproductionprocess,improvedielifeisacomplexcomprehensiveissues.Allforgingprocess,especiallythenetshapeandapproximatenetformprocessingtechnologyMuchdependsontheaccuracyandquality,dependingonthetechnolog
2、ylevelofmould.Mouldtechnologyreflectedinmouldingdesignandmanufacturing,Anddielifewiththeabovetwolinksintheoutside,stillandusethelink.Improvedielifeisofgreateconomicbenefits,generallyinthetrialproductionmoldtoolingcostaccountingforstageproductioncostofabout25%,andfinalizethedesignproductionisonly
3、10%.Dieearlyfailureforms,manyforthepunchanddieoffractureboreedgecollapse,flashinthebridgechap,cavityoccurredcrackatthebottom.Manyfactorsinfluencethelifeofdieawiderangeanddiedesignthelifeofdieisbased.Diedesignlinkisreferstothemouldstructureplan,setFormingdesignanddeterminethecavityofthesteel,moul
4、dhardnessetc.Mouldmanufacturingprocessistopointtodiemakingtechnology,heattreatmentstandardandsurfacetreatmenttechnology,etc.Inthispaper,onlyfromthemolddesignanddiemanufacturingtwoaspectstostudyandimprovethelifeofdiemeasures.1,thereasonabledesignprecisionvolumeforminga(fineforging)Dieforgingsshou
5、ldtrytoavoidwithholes,narrowslot,Angle,shapeshouldasfaraspossibleissymmetrical,eveniftheycan'tdoaxisymmetric,alsohopetoachieve,Undersymmetricalorleft,rightsymmetry.Todesignmoldpullingoutrake,avoidstressconcentrationanddieforgingunits,increasingthepressureovercomeeccentricloadingandmouldwearnoteq
6、ualdefect.ForforgingdiecavityedgeandbottomfilletradiusR,designshouldensureforgingscavityiseasilyfilledwiththepremiseofamplification.Ifthefilletradiusistoosmall,easilycavityedgeinhightemperatureandhighpressureofcollapse,theseriouswillformthereversedcone,influencedieforgingsthemold.Suchasthebottom
7、filletradiusRistoosmallandisnotsmoothtransition,it'seasytocrackandwillcontinuetoexpand.WhenthemoulddesignshouldmakefulluseofCADsystemforproductsfunction2dand3ddesign,toensurethattheproductstotheunityoftheoriginalinformationa
