欢迎来到三一文库! | 帮助中心 三一文库31doc.com 一个上传文档投稿赚钱的网站
三一文库
全部分类
  • 幼儿/小学教育>
  • 中学教育>
  • 高等教育>
  • 研究生考试>
  • 外语学习>
  • 资格/认证考试>
  • 论文>
  • IT计算机>
  • 法律/法学>
  • 建筑/环境>
  • 通信/电子>
  • 医学/心理学>
  • ImageVerifierCode 换一换
    首页 三一文库 > 资源分类 > DOCX文档下载
    分享到微信 分享到微博 分享到QQ空间

    模具设计与制造.docx

    • 资源ID:481447       资源大小:29.58KB        全文页数:11页
    • 资源格式: DOCX        下载积分:5
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    三方登录下载: 微信开放平台登录 QQ登录 微博登录
    二维码
    微信扫一扫登录
    下载资源需要5
    邮箱/手机:
    温馨提示:
    快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如填写123,账号就是123,密码也是123。
    支付方式: 支付宝    微信支付   
    验证码:   换一换

    加入VIP免费专享
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    模具设计与制造.docx

    1、1、外文原文MolddesignandmanufactureThemoldisthemanufacturingindustryimportantcraftfoundation,inourcountry,themoldmanufacturebelongstothespecialpurposeequipmentmanufacturingindustry.Chinaalthoughveryalreadystartstomakethemoldandtheusemold,butlong-termhasnotformedtheindustry.Straightstabs0centuries80,slate

    2、rperiods,theChinesemoldindustryonlythendrivesintothedevelopmentspeedway.Recentyears,notonlythestate-ownedmoldenterprisehadtheverybigdevelopment,thethreeinvestmentsenterprise,thevillagesandtowns(individual)themoldenterprisesdevelopmentalsoquiterapid.AlthoughtheChinesemoldindustrialdevelopmentrapid,bu

    3、tcompareswiththedemand,obviouslyfallsshortofdemand,itsmaingapconcentratespreciselyto,large-scale,iscomplex,thelonglifemolddomain.Asaresultofinaspectandsoonmoldprecision,life,manufacturecycleandproductivity,Chinaandtheinternationalaveragehorizontalandthedevelopedcountrystillhadabiggerdisparity,theref

    4、ore,neededmassivelytoimportthemoldeveryyear.TheChinesemoldindustryexceptmustcontinuetosharpentheproductivity,fromnowonwillhaveemphaticallytotheprofessioninternalstructureadjustmentandthestate-of-artenhancement.Thestructureadjustmentaspect,mainlyistheenterprisestructuretothespecializedadjustment,thep

    5、roductstructuretocentertheupscalemolddevelopment,totheimportandexportstructureimprovement,centertheupscaleautomobilecovermoldforminganalysisandthestructureimprovement,themulti-purposecompoundmoldandthecompoundprocessingandthelasertechnologyinthemolddesignmanufactureapplication,thehigh-speedcutting,t

    6、hesuperfinishingandpolishedthetechnology,theinformationdirectiondevelops.Therecentyears,themoldprofessionstructureadjustmentandtheorganizationalreformstepenlarges,mainlydisplayedin,large-scale,precise,wascomplex,thelonglife,centertheupscalemoldandthemoldstandardletterdevelopmentspeedishigherthanthec

    7、ommonmoldproduct;Theplasticmoldandthecompressioncastingmoldproportionincreases;Specializedmoldfactoryquantityanditsproductivityincrease;nThethreeinvestments*1andtheprivateenterprisedevelopsrapidly;Thejointstocksystemtransformationstepspeedsupandsoon.Distributesfromthearealooked,takeZhujiangDeltaandY

    8、angtzeRiverdeltaascentralsoutheastcoastalareadevelopmentquicklytomid-westarea,southdevelopmentquicklytonorth.Atpresentdevelopsquickest,themoldproducesthemostcentralizedprovinceisGuangdongandZhejiang,placessuchasJiangsu,Shanghai,AnhuiandShandongalsohasabiggerdevelopmentinrecentyears.Althoughourcountr

    9、ymoldtotalquantityhadatpresentachievedthesuitablescale,themoldlevelalsohastheverybigenhancement,afterbutdesignmanufacturehorizontaloverallriseandfallindustrydevelopedcountryandsoonYuDe,America,date,France,Italymany.Thecurrentexistencequestionandthedisparitymainlydisplayinfollowingseveralaspects:(1)

    10、ThetotalquantityfallsshortofdemandDomesticmoldassemblingoneselfrateonly,about70%.Low-grademold,centerupscalemoldassemblingoneselfrateonlyhas50%about.(2) Theenterpriseorganizationalstructure,theproductstructure,thetechnicalstructureandtheimportandexportstructuredoesnotgatherIinourcountrymoldproductio

    11、nfactorytobemostisfromthelabormoldworkshopwhichproducesassemblesoneself(branchfactory),fromproducesassemblesoneselftheproportiontoreachashighasabout60%,buttheoverseasmoldultra70%isthecommoditymold.Thespecializedmoldfactorymostlyislargeandcomplete,smallandentire*1organizationform,butoverseasmostlyiss

    12、mallbut,isspeciallysmallandfine.Domesticlarge-scale,precise,complex,thelonglifemoldaccountsforthetotalquantityproportiontobeinsufficient30%,butoverseasin50%above2004years,ratioofthemoldimportandexportis3.7:1,theimportandexportbalancestheafternetimportvolumetoamountto1.32billionUSdollars,isworldmoldn

    13、etimportquantitybiggestcountry.(3) ThemoldproductlevelgreatlyislowerthantheinternationalstandardTheproductioncycleactuallyishigherthantheinternationalwaterbroadproductlevellowmainlytodisplayinthemoldprecision,cavityaspectandsoonsurfaceroughness,lifeandstructure.(4) Developstheabilitybadly,economicef

    14、ficiencyunsatisfactoryourcountrymoldenterprisetechnicalpersonnelproportionlowThelevelislower,alsodoesnottaketheproductdevelopment,frequentlyisinthepassivepositioninthemarket.Ourcountryeachmoldstaffaverageyearcreationoutputvalueapproximately,tenthousandUSdollars,overseasmoldindustrydevelopedcountrymo

    15、stly15to10,000USdollars,somereachashighas25to10,000USdollars,relativeisourcountryquitepartofmoldsenterprisesalsocontinuestousetheworkshoptypemanagementwithit,trulyrealizestheenterprisewhichthemodernizedenterprisemanagesfewTocreatetheabovedisparitythereasontobeverymany,themoldlong-termhasnotobtainedt

    16、hevaluebesidesthehistoryinastheproductwhichshouldhave,aswellasthemoststate-ownedenterprisesmechanismcannotadaptthemarketeconomy,butalsohasthefollowingseveralreasons:.(1) CountrytomoldindustrypolicysupportdynamicsalsoinsufficientlyAlthoughthecountryalreadywasclearabouthaspromulgatedthemoldprofessioni

    17、ndustrialpolicy,butnecessarypolicyfew,carriedoutdynamicstobeweak.Atpresentenjoyedthemoldproductincrementdutyenterprisenation185,themajorityenterprisestillthetaxburdenisonlyoverweight.Themoldenterprisecarriesonthetechnologicaltransformationsintroductionequipmenttohavetopaytheconsiderableamountthetaxm

    18、oney,affectsthetechnologyadvancement,moreoverprivatelyoperatedenterpriseloanextremelydifficult.(2) Talentedpersonseriousinsufficient,thescientificresearchdevelopmentandthetechnicalattackinvestmenttoourineMoldprofessionisthetechnology,thefund,theworkcrowdedindustry,alongwiththetimeprogressandthetechn

    19、icaldevelopment,graspsthetalentedpersonwhichandskilledutilizesthenewtechnologyexceptionallyshort,thehigh-qualitymoldfitterandtheenterprisemanagementtalentextremelyisalsoanxious.Becausethemoldenterprisebenefitunsatisfactoryandtakesinsufficientlythescientificresearchdevelopmentandthetechnicalattack,th

    20、escientificresearchunitandtheuniversities,collegesandinstituteseyestaresatiscreatingincome,causesthemoldprofessioninveststoofewinthescientificresearchdevelopmentandthetechnicalattackaspect,causesthemoldtechnologicaldevelopmentstepnottobebig,progressesnotquick.(3) Thecraftequipmentleveltobelow,alsone

    21、cessaryisnotgood,theusefactorlowrecentyearsourcountryenginebedprofessionprogressedquickly,hasbeenabletoprovidethequitecompleteprecisionworkequipment,butcomparedwiththeoverseasequipment,stillhadabiggerdisparity.Althoughthedomesticmanyenterpriseshaveintroducedmanyoverseasadvancedequipment,buttheoveral

    22、lequipmentlevellowareverymorethantheoverseasmanyenterprises.Asaresultofaspecttheandsoonsystemandfundreason,introducestheequipmentnotnotnecessary,theequipmentandtheappendixnotnecessaryphenomenonareextremelycommon,theequipmentutilizationratelowquestioncannotobtainthecomparativelyproperlysolutionforalo

    23、ngtime.(4) Specialization,standardization,commercializeddegreelow,thecooperationabilityBecausereceives,largeandcompletesmallandentiretheinfluencesincelongago,moldspecializationlevellow,thespecializedlabordivisionisnotcareful,thecommercializeddegreeislow.Atpresentdomesticeveryyearproducesmold,commodi

    24、tymoldminister40%About,otherforfromproduceusesforoneself.Betweenthemoldenterprisecooperatesimpeded,completesthecomparativelylarge-scalemoldcompletetaskwithdifficulty.Moldstandardizationlevellow,moldstandardletterusecaverareislowalsotothemoldquality,thecosthasamoretremendousinfluence,speciallyhasvery

    25、tremendousinfluence.(5) Tothemoldmanufacturecycle)themoldmaterialandthemoldcorrelationtechnologyfallsThemoldmaterialperformance,thequalityandthevarietyquestionoftencanaffectthemoldquality,thelifeandthecost,thedomesticallyproducedmoldingtoolsteelandoverseasimportsthesteelproductstocomparehasabiggerdi

    26、sparity.Plastic,plate,equipmentenergybalance,alsodirectinfluencemoldlevelenhancement.Atpresent,ourcountryeconomystillwasatthehighspeeddevelopmentphase,ontheinternationaleconomicalglobalizationdevelopmenttendencyisdaybydayobvious,thishasprovidedthegoodconditionandtheopportunityfortheourcountrymoldind

    27、ustryhighspeeddevelopment.Ontheonehand,thedomesticmoldmarketwillcontinuehighspeedtodevelop,ontheotherhand,themoldmanufacturealsograduallywillshiftaswellasthetransnationalgrouptoourcountrycarriesonthemoldpurchasetrendtoourcountryextremelytobealsoobvious.Therefore,willtakeabroadviewthefuture,internati

    28、onal,thedomesticmoldmarketoveralldevelopmenttendencyprospectwillfavor,estimatedtheChinesemoldwillobtainthehighspeeddevelopmentunderthegoodmarketenvironment,ourcountrynotonlycanbecomethemoldgreatnation,moreovercertainlygraduallywillmakethepowerfulnationtothemoldtherankstomakegreatstridesforward.,15,p

    29、eriod,theChinesemoldindustrylevelnotonlyhastheverybigenhancementinthequantityandthearcherytargetaspect,moreovertheprofessionstructure,theproductlevel,thedevelopmentinnovationability,enterprisessystemandthemechanismaswellasthetechnologyadvancementaspectalsocanobtainabiggerdevelopment.Themoldtechnolog

    30、yhasgatheredthemachinery,theelectron,chemistry,optics,thematerial,thecomputer,theprecisemonitorandtheinformationnetworkandsoonmanydisciplines,isacomprehensivenaturemulti-disciplinarysystemsengineering.Themoldtechnologydevelopmenttendencymainlyisthemoldproducttolarger-scale,preciser,morecomplexandamo

    31、reeconomicaldirectiondevelops,themoldproducttechnicalcontentunceasinglyenhances,themoldmanufacturecycleunceasinglyreduces,themoldproductionfacestheinformation,isnothavingthechart,isfine,theautomateddirectiondevelops,themoldenterprisetothetechnicalintegration,theequipmentexcellent,isproducingapproves

    32、thebrand,themanagementinformation,themanagementinternationalizationdirectiondevelops.Ourcountrymoldprofessionstillwillhavetoenhancefromnowonthegeneralcharactertechnologyhad:(1) ToestablishintheCAD/CAEplatformtheadvancedmolddesigntechnology,enhancesmodernizationwhichthemolddesigned,information,intell

    33、ectualization,standardizedlevel.(2) EstablishesintheCAM/CAPPfoundationtheadvancedmoldprocessingtechnologyandtheadvancedmanufacturetechnologyunifies,raisestheautomatedlevelandtheproductionefficiencywhichthemoldprocesses.(3) Themoldproductionenterprisesinformationmanagementtechnology.ForexamplePDM(pro

    34、ductdatamanagement),ERP(enterpriseresourcemanagement),MIS(moldmanufacturemanagementinformationsystem)andinformationnetworktechnologytheandsoonINTERMETplatformapplication,thepromotionandthedevelopment.(4) Arehighspeed,GaoJing,thecompoundmoldprocessingtechnologyresearchandtheapplication.Forexampletheu

    35、ltrafinerammingmoldmanufacturetechnology,thepreciseplasticandthecompressioncastingmoldmanufacturetechnologyandsoon.(5) Enhancesthemoldproductionefficiency,reducesthecostandreducesthemoldproductioncycleeachkindoffasteconomicalmoldmanufacturetechnology.(6) Theadvancedmanufacturetechnologyapplication.F

    36、orexamplehottechnologyandsoonflowchanneltechnology,gasauxiliarytechnology,hypothesizedtechnology,nanotechnology,rapidscanningtechnology,reversionproject,parallelprojectinthemoldresearch,thedevelopment,theprocessingprocessapplication.(7) Therawmaterialthesimulationtechnologywhichformsinthemold.(8) Th

    37、eadvancedmoldprocessingandtheappropriationequipmentresearchandthedevelopment.(9) Themoldandthemoldstandardletter,theimportantauxiliarystandardizedtechnology.(10) Themoldanditstheproductexaminationtechnology.(11) Highquality,thenewmoldmaterialresearchandthedevelopmentanditsthecorrectapplication.(12)

    38、ThemoldproductionenterprisesmodernmanagementtechnologyMoldprofessionin十15uperiodneedstosolvethekeyessentialtechnologyshouldbethemoldinformation,thedigitizedtechnologyandprecise,ultrafine,highspeed,thehighlyeffectivemanufacturetechnologyaspectbreakthroughAlongwiththenationaleconomytotalquantityandthe

    39、industryproducttechnologyunceasingdevelopment,allthevarioustradesandoccupationstothemolddemandquantitymoreandmorebig,thespecificationmoreandmoreisalsohigh.Althoughmoldtypemany,butitsdevelopmentshouldbewithemphasisbothcanmeetthemassiveneeds,andhasthecomparativelyhigh-techcontent,speciallyatpresentdom

    40、esticstillcouldnotbeself-sufficient,needsthemassiveimportsthemoldandcanrepresentthedevelopmentdirectionlarge-scale,precise,iscomplex,thelonglifemold.Themoldstandardlettertype,thequantity,thelevel,theproductionaandsoonhavethesignificantinfluencetotheentiremoldprofessiondevelopment.Therefore,someimpor

    41、tantmoldstandardlettersalsomusttheprioritize,moreoveritsdevelopmentspeedshouldquicklytothemolddevelopmentspeed,likethisbeableunceasinglytoraiseourcountrymoldstandardizationlevel,thusimprovesthemoldquality,reducesthemoldproductioncycle,reducesthecost.Becauseourcountrymoldproductholdsthebiggerpricesup

    42、eriorityintheinternationalmarket,thereforeregardingtheexportationprospectgoodmoldproductalsoshouldtakekeydevelops.Accordingtotheaboverequiredquantitybig,thetechnicalcontentishigh,representsthedevelopmentdirection,theexportprospectgoodprinciplechoiceprioritizeproduct,moreoverchoosestheproducttohaveat

    43、presenttohavethecertaintechnologybase,belongshasthecondition,hastheproductwhichthepossibilitydevelops.Accordingto十15themoldprofessiondevelopmentplan,15theperiodmoldproductdevelopmentmainlyhasfollowingseveralkindoftheautomobilecovermold(I)RammingmoldtooccupyThemoldtotalquantitydishwithemphasisabove40

    44、Automobilecovermoldmainlyforautomobilenecessary,alsoincludesfortheagriculturewiththevehicle,theprojectmachineryandthefarmmachinerynecessarycovermold,ithastheverybigrepresentationintherammingmold,themoldmostlyislargeandmiddlescale,structurecomplex,thespecificationishigh.Forthepassengervehiclenecess

    45、arycovermold,therequestisinparticularhigher,mayrepresenttherammingmoldthelevel.Thiskindofmoldourcountryhadthecertaintechnologybase,alreadyformiddle-gradepassengervehiclenecessary,butthelevelisnothigh,theabilityisinsufficient,atpresentsatisfyingrateonlyhasoneaboutthehalf.Centertheupscalepassengervehi

    46、clecovermoldmaindependenceimport,hasbecomethebottleneckwhichtheautomobiledevelops,enormousinfluencevehicletypedevelopment.(2)ThepreciserammingmoldMulti-locationslevelwasenteringthemoldandfinerepresentstherammingmolddevelopmentdirection,theprecisionrequestliferequesthasbeenextremelyhigh,mainlyforthee

    47、lectronicsindustry,theautomobile,theinstrumentmeasuringappliance,theelectricalmachineryelectricapplianceandsoonformedacompleteset.Thesetwokindofmolds,domestichadthesuitablefoundation,andhasintroducedtheoverseastechnologyandtheequipment,theindividualenterpriseproducestheproducthasachievedtheworldleve

    48、l,butthemajorityofenterprisesstillhadabiggerdisparity,thesupplytotalquantityinsufficient,theimportwereverymany(3) Thelarge-scalepreciseplasticmoldPlasticmoldaccountsforthemoldtotalquantity10%,moreoverthisproportionalsoisrising.Intheplasticmoldnecessarylarge-scalecaststhemoldfortheautomobileandtheele

    49、ctricalappliances,necessarymodelsfortheintegratedcircuitsealsthemold,fortheelectronicinformationindustryandthemachineryandthepackingnecessarymultilayer,themulti-cavities,themulti-materialqualities,themulticolorprecisenote,andsaveswatertheagriculturalnecessaryplasticdifferentmoldingforthenewbuildingmaterialstosqueezeoutthemoldandthepipelineandthenozzlemoldandsoon,atpresentalthoughhadthesuitabletechnologybaseandfastisdeveloping,butthetechnicallevelandoverseasstillhadabiggerd


    注意事项

    本文(模具设计与制造.docx)为本站会员(奥沙丽水)主动上传,三一文库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,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知三一文库(点击联系客服),我们立即给予删除!




    宁ICP备18001539号-1

    三一文库
    收起
    展开