已阅读5页,还剩7页未读, 继续免费阅读
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
英文原文OverviewofstampingdieStampingDie-Stampinginthecold,thematerial(metalornon-metallic)processingintoparts(orhalf)ofaspecialtechnicalequipment,calledcoldstampingdie(commonlyknownasDie).Press-isatroomtemperature,usingthedieinstalledinthepresstoputpressureonthematerialtoproduceaseparationorplasticdeformation,andthustoobtainthenecessarypartsofapressureprocessingmethod.Stampingdieintheformofmany,thegeneralcategoriesaccordingtothefollowingmainfeatures:1.Accordingtothetechnicalnatureof(1)Diealongtheclosedoropencontourthematerialarederivedfrommold.Ifblankingdie,punchdie,cutoffthemold,cutmode,cuttingmode,splitmode,etc.(2)bendingmodetoblankorblanksheetalongastraightline(curvedline)tobend,deform,andthusobtainacertainangleandshapeoftheworkpieceinthemold.(3)Thedrawingdieismadeoftheblanksheetopeninghollow,orhollowpiecesoffurtherchangestotheshapeandsizeofthemold.(4)Dieroughorsemi-finishedworkpieceisconvexaccordingtoplan,directcopytheshapeofthedieshape,thematerialitself,generateonlylocalplasticdeformationofthemold.Suchasthebulgingmode,reducingthedie,expansiondie,formingdierolling,flangingmold,plasticmold.2.Accordingtothedegreeclassificationprocesscombination(1)singleprocessmodelinapresstour,justcompletedadiestampingprocess.(2)compositemodelisonlyonestation,inapresstour,atthesamestationatthesametimetocompletemorethantwoortwodiestampingprocess.(3)ProgressiveDie(alsoknownasthemodulusofcontinuity)inthefeedingdirection,rough,withtwoormoreofthestation,atthepressofavisit,workindifferentplacesonthecompletionoftwoortwosuccessiveRoadoverstampingdieprocess.ChongcalledcoldstampingdieDie-wide.Coldstampingdieisusedincoldstampingdiemoldindustry,andaccessoriesrequiredforhigh-performancestructuralceramicmaterials,preparationmethods,high-performanceceramicmaterials,moldsandaccessoriesfromthezirconiumoxideandyttriumaluminumpowderincreases,Prelementcomposition,Preparationisthesolutionofzirconia,yttriasolution,praseodymiumoxidesolution,accordingtoacertainpercentageofaluminasolutionwhenmixedliquor,ammoniumbicarbonateinfusion,byco-precipitationsynthesisofceramicmaterials,moldsandaccessoriesneededforrawmaterials,reactionprecipitategeneratedbythetreatment,drying,calciningandaccessoriesbyhighperformanceceramicmoldmaterialsuperfinepowder,andthenafterforming,sintering,finishing,theywillhavehigh-performanceceramicmaterials,moldsandaccessories.Advantagesofthisinventionistheinventionmadeofcoldstampingdiesandpartsandlongservicelife,theprocessdoesnotappearinthepressanditspartsandstampingdiebondgeneratedthephenomenonofstampingsurfaceissmooth,noglitches,canreplacetraditionalhigh-speedsteel,tungstensteel.DiewiththemainpartsDiestampingtoolsisthemainprocessequipment,stampingrelyontherelativemovementunderthemoldcompleted.Processingtimebecausetheupperandlowermoldbetweentheconstantdivisionand,ifcontinuedoperationofthefingersofworkerstoenterorremaininthemoldclosed,therewillcertainlyposeaseriousthreattotheirpersonalsafety.(A)ofthemoldmainparts,functionandsafetyrequirements1.Workingpartsisadirectpunchtoblankformingtheworkingparts,therefore,itisthekeytomoldparts.Punchnotonlysophisticatedandcomplex,itshouldmeetthefollowingrequirements:(1)beofsufficientstrength,cannotbebrokenordestroyedduringstamping.(2)shouldbeappropriatetoitsmaterialandheattreatmentrequirements,topreventtoohighhardnessandbrittlefracture.2.Positioningpartspositioningpartistodeterminethelocationofthepartsinstalledblank,therearepins(board),gaugepin(plate),leadissold,guideplate,knifesetfromtheside,sidepressureetc.Designshouldbeconsideredwhenpositioningpartseasytooperateandshouldnothavehadorientation,locationtofacilitateobservation,preferablyintheforwardposition,contouringtocorrectthepinlocationandpositioning.3.Binder,unloadinganddischargingpartsbindercomponentsareblankholder,binderboard.Blankholderpressurecandrawingblankholderforce,therebypreventingbilletsundertheactionofthetangentialpressurearchformedfolds.Theroleofpressureplatetopreventmovementandbounceblank.Topofthedevice,dischargeboardsroleistofacilitatethepiecesandcleanupwaste.Thembythespring,rubberandequipment,puttingontheair-cushionsupport,canmoveupanddown,knockingoutpiecesofthedesignshouldhaveenoughtopoutput,movementtothelimitedspaces.Stripperplateareashouldbeminimizedorclosedpositionintheoperatinggroovemillingoutempty-handed.Exposureofthestripperplateshouldhaveprotectionaroundtheplate,topreventfingerinsertedintoorforeignobjectsinside,exposedsurfaceedgesshouldbebluntdown.4.Guidepartsandguidesleeveguidepinisthemostwidelyusedpartofaguide.Itsroleistoensurepunchthepunchingclearancewhenaccuratematch.Therefore,theguideposts,guidecoverthegapshouldbelessthantheblankingclearance.GuidePostlocatednextmoldbase,toensurethatthestrokebottomdeadcenter,theleadcolumninthetemplateonthefaceoverthetopforatleast5to10mm.Guidecolumnsshouldbearrangedfarawayfromthemoduleandthepressureplateinthearea,sotheoperatorsarmsdonotgettotakeovertheleadcolumnmaterial.5.Supportingandclampingtheupperandlowerpartswhichincludestemplates,diehandle,fixedplatepunch,plate,stopper,etc.Upanddownthetemplateisthebasisofthecolddieparts,otherpartsarerespectivelyfixedatthetop.Templateplanesize,especiallyaroundthedirectiontobecompatiblewiththeworkpiece,toolargeortoosmallarenotconducivetoaction.Somemolds(blanking,punchingtypemold)tothepiecesofconvenience,besetupunderthemoldplate.Atthistimethebestandthetemplateplateconnectedbetweenthescrew,thetwoplatethicknessshouldbeabsolutelyequal.Platespacingoutthepiecestobeabletoprevail,nottoomuch,soasnottobreakthetemplate.6.Fasteningpartswhichincludesscrews,nuts,springs,pins,washers,etc.,aregenerallyusedstandardparts.Diemorewiththeamountofstandardparts,designchoiceandflexibilityshouldbetightenedtoensurethetopoutoftheneedtoavoidexposuretothesurfacefasteneroperatingposition,thestaffandimpedeoperationtopreventbumps.DiewiththedevelopmentofSincereformandopening,withtherapiddevelopmentofthenationaleconomy,themarketdemandwiththegrowingDie.Inrecentyears,Diewiththeindustryhasbeenaround15%growthrateoftherapiddevelopmentofindustrialenterpriseswithownershipDiecomponentsalsochangeddramatically,inadditiontotheprofessionalmoldfactoryoutsideofstate-owned,collective,jointventures,wholly-ownedandprivatehasbeenarapiddevelopment.Aswiththeacceleratingpaceofinternationalintegration,theincreasingcompetitioninthemarket,ithasbeenincreasinglyrecognizedproductquality,cost,andnewproductdevelopmentcapacities.Thecolddiemanufacturingisthemostbasicelementsofthechain,oneofthecolddiemanufacturingtechnologytomeasureacountrysmanufacturingsectorhasbecomeanimportantsymbolofthelevel,andlargelydeterminetheviabilityofenterprises.Diewithenterprisestoincreaseinrecentyearsmanytechnologicaladvancesforinvestment,technologicalprogresswillbeseenasanimportantdrivingforceforenterprisedevelopment.Somedomesticenterpriseshavepopularizedthetwo-dimensionalmoldCAD,andgraduallybegantouseUG,Pro/Engineer,I-DEAS,Euclid-ISandotherinternationalcommonsoftware,individualmanufacturershavealsointroducedMoldflow,C-Flow,DYNAFORM,OptrisandMAGMASOFTetc.CAEsoftware,andsuccessfullyappliedinstampingdiedesign.Acarcovermoldastherepresentativeofalargestampingdiemanufacturingtechnologyhasmadegreatprogress,DongfengMotorCorporationmoldfactory,moldmanufacturerssuchasFAWmoldcenterhasbeenabletoproducesomecarcovermold.Inaddition,manyresearchinstitutionsanduniversitiestocarryouttechnologyresearchanddevelopmentofmold.Afteryearsofeffort,inthemoldCAD/CAE/CAMtechnologyhasmaderemarkableprogress;inimprovingqualityandreducingmolddiedesignandmanufacturingcycle,andsocontributed.AlthoughChinaDiewiththeindustryoverthepastdecadehasmaderemarkabledevelopment,butinmanywayscomparedwiththeindustrializedcountriesthereisstillalargegap.Forexample,theprecisionmachiningequipment,processingequipmentinDiewiththerelativelylowproportion;CAD/CAE/CAMtechnologypenetrationisnothigh;manyadvancedmoldtechnologynotwidelyso,resultinginaconsiderablenumberoflarge,sophisticated,complexandlongDielifewithdependenceonimports.Withthecontinuousprogressofscienceandtechnology,modernindustrialproductionofincreasinglycomplexanddiverse,productperformanceandqualityiseverincreasing,thusthecoldstampingtechnologyputforwardhigherrequirements.Inordertoadapttothecoldstampingtechnologyindustryneeds,coldstampingtechnologyitselfalsoininnovationanddevelopment.coldstampingtechnologyideaistoimproveandexpandasmuchaspossibletheadvantagesofthecoldstampingprocess,hecoldstampingtechnologydevelopment,shouldnotethefollowingaspects:(1)coldstampingtechnologyprocessparametersshouldbeproperlyidentifiedandDiewiththeworkofsomeoftheshapeandsize,toimprovethequalityofstampingpartsandshortenthenewproductproductioncycleshouldbeinstrengtheningthemetalformingthebasisoftheoreticalstudies,tometalformingtheorytopracticecanproduceadirection,andgraduallyestablishacloseconnectionwiththeactualproductionoftheadvancedprocessofcalculation.abroadhavebeguntouseplasticfiniteelementmethod,automobilepartsformingprocessofthestressandstrainanalysisandcomputersimulationtopredicttheformingpartofaprocessplanonthepossibilitiesandpotentialproblems.(2)toaccelerateproductreplacement,molddesigntoovercometheshortcomingsofalongcycle.Shouldvigorouslycarryoutcomputer-aideddesignandmanufactureofmolds(CAD/CAM)Research.Inmycountry,payingparticularattentiontostrengtheningthemulti-positionprogressivedieCAD/CAMTechnology.(3)tomeettheneedsofmassproduction,andreducelaborintensity.Shouldstrengthencoldstampingofmechanizedandautomated,sothattheaverage,smallpiecesofhigh-speedpressesinamulti-positionprogressivedieproduction,productionreachedahighdegreeofautomationtofurtherimprovestampingproductivity.(4)expandthescopeofapplicationofcoldstampingproduction.Socoldpressingbothsuitableformassproduction,butalsoforsmallbatchproduction;boththegeneralaccuracyofproductproduction,butalsocanproduceprecisionparts.Shouldpayattentiontodevelopmentsuchasfineblanki
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 库管员岗位职责3篇
- 病理学课件-肾小球肾炎课件
- 2024年广东省汕头市潮阳区高考语文押题试卷含解析
- Ⅲ类射线装置辐射工作人员练习题库及答案
- 2024届内蒙古乌兰察布市北京八中分校高考临考冲刺语文试卷含解析
- 2024注资合作协议范本(含注意事项)
- 2024年江苏省大丰市实验初级中学高三3月份模拟考试语文试题含解析
- 2017年422公务员联考《行测》真题(黑龙江卷)答案及解析
- 2023-2024学年四川省成都市“五校联考”高三二诊模拟考试语文试卷含解析
- 安徽省芜湖市镜湖区师范大学附中2024年高三第二次调研语文试卷含解析
- 纯电动汽车整车控制策略研究及基于Simulink的建模仿真
- 2024年广东轻工职业技术学院单招职业技能测试题库及答案解析
- 甘肃省金昌市金川区宁远中学2024届中考联考数学试题含解析
- 期中试题(试题)-2023-2024学年五年级数学下册人教版
- 2024年“312”新高考志愿填报指南
- 2022-2023学年高教版(2021)中职数学基础模块下册-指数函数与对数函数-单元测试卷
- 青霉素皮试操作要点专家讲座
- 2024年512全国防灾减灾网络知识测试竞赛题库与答案
- 红楼梦26-30回课件
- 2024-2030年中国黄芪行业市场发展监测及投资战略咨询报告
- 2024中考历史模拟试卷含解析
评论
0/150
提交评论