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1、1ThehistoricaldevelopmentofmoldDavid0.Kazmer.Injectionmolddesignengineering.IlanserGardnerPublicationsTheemergenceofmoldcanbetracedbackthousandsofyearsago,potteryandbronzefoundry,butthelarge-scaleuseiswiththeriseofmodernindustryanddeveloped.The19thcentury,withthearmsindustry(gunssh
2、ell),watchindustry,radioindustry,diesarewidelyused.AfterWorldWarII,withtherapiddevelopmentofworldeconomy,itbecameamassproductionofhouseholdappliances,automobiles,electronicequipment,cameras,watchesandotherpartsthebestway.Fromaglobalperspective,whentheUnitedStatesintheforefrontofsta
3、mpingtechnology-manydieofadvancedtechnologies,suchassimplemold,highefficiency,mold,dieandstampingthehighlifeautomation,mostlyoriginatedintheUnitedStates;andSwitzerland,fineblanking,coldinGermanyextrusiontechnology,plasticprocessingoftheSovietUnionareattheworldadvanced.50's,moldindu
4、stryfocusisbasedonsubscriberdemand,productioncanmeettheproductrequirementsofthemold.Multi-diedesignruleofthumb,referencehasbeendrawingandperceptualknowledge,onthedesignofmoldpartsofalackofrealunderstandingoffunction.From1955to1965,isthepressureprocessingofexplorationanddevelopmento
5、fthetimes-themaincomponentsofthemoldandthestressstateofthefunctionofamathematicalsub-bridge,andtocontinuetoapplytoon-sitepracticalknowledgetomakestampingtechnologyinallaspectsofaleapindevelopment.Theresultissummarizedmolddesignprinciples,andmakesthepressuremachine,stampingmaterials
6、,processingmethods,plumwithastructure,moldmaterials,moldmanufacturingmethod,thefieldofautomationdevices,anewlooktothepracticaldirectionofadvance,sothatpressingprocessingapparatuscapableofproducingqualityproductsfromthefirststage.Intothe70fstohighspeed,launchtechnology,precision,sec
7、urity,developmentofthesecondstage.Continuetoemergeinthisprocessavarietyofhighefficiency,businesslife,high-precisionmulti-functionalautomaticschooltohelpwith.Representedbythenumberofworkingplacesasmuchasotherprogressivedieanddozensofmulti-stationtransferstationmodule.Onthisbasis,has
8、developedbothacontinuouspr
