欢迎来到人人文库网! | 帮助中心 人人文库renrendoc.com美如初恋!
人人文库网
首页 人人文库网 > 资源分类 > PDF文档下载

外文翻译--面向机床生命周期的发展 英文版.pdf

  • 资源大小:988.34KB        全文页数:6页
  • 资源格式: PDF        下载权限:游客/注册会员/VIP会员    下载费用:10
游客快捷下载 游客一键下载
会员登录下载
下载资源需要10

邮箱/手机号:
您支付成功后,系统会自动为您创建此邮箱/手机号的账号,密码跟您输入的邮箱/手机号一致,以方便您下次登录下载和查看订单。注:支付完成后需要自己下载文件,并不会自动发送文件哦!

支付方式: 微信支付    支付宝   
验证码:   换一换

友情提示
2、本站资源不支持迅雷下载,请使用浏览器直接下载(不支持QQ浏览器)
3、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   

外文翻译--面向机床生命周期的发展 英文版.pdf

LIFECYCLEORIENTEDDEVELOPMENTOFMACHINETOOLSBDENKENA1,AHARMS1,JJACOBSEN1,HCMHRING1,DLANGE2,HNOSKE31UNIVERSITYOFHANNOVER,INSTITUTEFORPRODUCTIONENGINEERINGANDMACHINETOOLS,GERMANY2ARTISGMBH,GERMANY3INGENIEURBRODRNOSKE,GERMANYABSTRACTFORTHEINVESTMENTDECISIONFORNEWPRODUCTIONEQUIPMENTITBECOMESMOREANDMORECOMMONTOGUARANTEETHETOTALAMOUNTOFLIFECYCLECOSTSLCCINTHERESEARCHPROJECTLOEWE,FUNDEDBYTHEGERMANFEDERALMINISTRYOFEDUCATIONANDRESEARCHBMBF,METHODSAREDEVELOPEDTOMINIMIZELIFECYCLECOSTSINTHEDEVELOPMENT,OPERATIONANDRECYCLINGPHASEEXEMPLARILYTHEDEVELOPMENTOFANINNOVATIVEVERTICALTURNINGMACHINEDEMONSTRATESVARIOUSSTRATEGIESTOMINIMIZELCCEXCHANGEABLETECHNOLOGYMODULESEXTENDTHEECONOMICLIFEANDMONITORINGOFSELECTEDMACHINECOMPONENTSHELPTOAVOIDUNPLANNEDSERVICESTANDSTILLALCCNAVIGATOROPTIMIZESTHEBALANCEOFPURCHASINGANDCONSEQUENTIALCOSTSKEYWORDSLIFECYCLE,MACHINE,MONITORING1INTRODUCTIONINTHEAUTOMOTIVEINDUSTRYAGENERALTENDENCYTOWARDSALIFECYCLECOSTCALCULATIONISOBVIOUSMACHINETOOLMANUFACTURERSAREOBLIGEDTOFORESEEANDGUARANTEETHECONSEQUENTIALCOSTSOFTHEIRPRODUCTFORAPREVIOUSLYDEFINEDLIFETIMEIFMORESERVICEANDMAINTENANCEISREQUIREDTHANFORECASTED,THEPROFITOFTHEMACHINETOOLPROVIDERISREDUCEDMACHINESWITHLESSDOWNTIMEANDLONGERSERVICEINTERVALSBECOMEMOREPROFITABLETHEREFOREAHIGHERMACHINETOOLQUALITYANDALONGERANDPREDICTABLECOMPONENTLIFETIMEBECOMEMOREIMPORTANTCONSEQUENTLY,AUTOMOTIVEINDUSTRYINVESTORSDONOTTENDTOPREFERTHEMACHINETOOLWITHTHELOWESTINVESTMENTCOSTSANYMORETHEMODIFIEDCALCULATIONBASEHASSEVERALCONSEQUENCESREGARDINGTHEMACHINETOOLDESIGNHIGHERQUALITYCOMPONENTSCANBEAPPLIEDHYDRAULICSUPPLY,NORMALLYREQUIREDTODRIVETHECLAMPINGSYSTEMOFTHEMAINSPINDLE,CAUSESHIGHMAINTENANCECOSTSANAPPROACHTOAVOIDTHESECOSTSFORANEWMACHINETOOLSERIESDEVELOPEDWITHINTHERESEARCHPROJECT“LOEWE”,WHICHISANACRONYMFORLIFECYCLEORIENTEDMACHINETOOL,ISTOABANDONALLHYDRAULICCOMPONENTSMONITORINGMECHANICALPARTSASFOREXAMPLEBALLSCREWS,ALLOWSTOREPLACETHECOMPONENTSWHENITISNECESSARYANDNOTATTHECALCULATEDLIFETIMETHISALSOENLARGESSERVICEINTERVALSANLCCNAVIGATORISBEINGDEVELOPEDWITHINTHEPROJECTTHISSOFTWARETOOLHELPSTOOPTIMIZETHECHOICEOFCOMPONENTSWITHRESPECTTOLOWLIFECYCLECOSTSINTHEDESIGNSTAGEITALSOCANBEUSEDINTHEDEVELOPMENTOFMACHINETOOLCOMPONENTSLIKECLAMPINGDEVICESASITOFFERSTHEOPPORTUNITYTOCLEARLYIDENTIFYTHEMAINCOSTFACTORSINCLUDINGLIFECYCLECOSTS,ITCANBEDERIVEDWHICHCOMPONENTSAREWORTHTOBEMONITOREDOVERTHEIRLIFECYCLE2CUSTOMERVSMANUFACTURERDEMANDSENDUSERSOFMACHINETOOLSHAVETOREACTFLEXIBLEONCHANGINGMARKETDEMANDSTOPRODUCEHIGHQUALITYPRODUCTSATAGROWINGVARIETYBUTSHRINKINGLOTSIZESTODAY’SMACHINETOOLSANDPRODUCTIONSYSTEMSHAVEALIFETIMEOF10TO15YEARSTHEPRODUCTSERIESTHATAREBEINGMANUFACTUREDONTHESEWORKSHOPFACILITIESHAVEASIGNIFICANTLOWERLIFETIMEINGENERALITMIGHTHAPPENTHATNEWPRODUCTGENERATIONSTHATHAVETOBEMANUFACTUREDONTHEOLDWORKSHOPFACILITIESOVERSTRAINTHEPROCESSFACILITIESOFTHEOLDMACHINETOOLSTOOVERCOMETHESELIMITATIONS,COMPANIESWANTTOINVESTINTOFLEXIBLEANDRECONFIGURABLEMACHINETOOLSTHATOFFERABROADVARIETYOFMACHININGOPERATIONSATMINIMUMSETUPTIMETHEOPERATIONOFSUCHMULTIFUNCTIONALANDFLEXIBLEMACHINETOOLSMIGHTBEINEFFICIENTFORFINANCIALACCOUNTINGPURPOSES,ASMANYSMALLANDMEDIUMMACHINETOOLOPERATINGCOMPANIESCANNOTPREDICTTHEIRFUTUREMANUFACTURINGPROCESSESCLEARLYTHEREFORETHEYDONOTKNOWIFTHEYWOULDEVERNEEDOVERQUALIFIEDMACHINETOOLSFROMTHEIRACTUALPOINTOFVIEWINCONSEQUENCETHEAIMOFTHEINVESTMENTPLANNINGSHOULDBETOEVALUATETHEMACHINETOOLSTOBEBOUGHTREGARDINGTHEIRCAPABILITYANDTHEIRCOSTEFFECTIVENESSNEXTTOTHEPUREINVESTMENTCOSTSOFAPRODUCTIONFACILITY,MOREANDMORECOMPANIESALSOCONSIDERTHETOTALLIFECYCLECOSTSASTHERECANBESIGNIFICANTDIFFERENCESREGARDINGIEINVESTMENTCOSTS,MAINTENANCECOSTS,ENERGYCOSTSANDPRODUCTIVITYTHISLEADSTODIFFERENCESINTHECOSTSPERPIECEOFTHEMACHINETOOLSTOBECOMPAREDTHEMACHINETOOLMANUFACTURERSWANTTOPRODUCEMACHINESATLOWMANUFACTURINGCOSTSWHILEBEINGABLETOOFFERAHIGHDIVERSITYOFMACHINETOOLTYPESFURTHERMORETHEYWANTTOBEMOREEFFICIENTINDESIGNANDPRODUCTIONANDWANTTOREDUCESERVICECOSTSANDWORKWITHINTHEWARRANTYPERIODFIGURE1CUSTOMERDEMANDSLOZENGE4PRODUCTIVITY,QUALITY,FLEXIBILITYLOZENGE4PROCESSORIENTATEDMACHINETOOLSLOZENGE4HIGHAVAILABILITYANDRELIABILITYLOZENGE4EXPLOITATIONOFTHEMACHINES‘FULLCAPACITYLOZENGE4COSTTRANSPARENCYATPURCHASEANDUSECUSTOMERORIENTATIONSALESCONVERSATIONSERVICE/MAINTENANCEM/42622EIFWMACHINETOOLMANUFACTURERDEMANDSLOZENGE4LOWMANUFACTURINGCOSTSATMAXDIVERSITYLOZENGE4VALUEANALYSISANDCOMPLIANCEWITHCOSTSLOZENGE4MOREEFFICIENCYINDESIGNANDPRODUCTIONLOZENGE4REDUCTIONOFSERVICECOSTSANDWORKLOZENGE4TRANSPARENCYOFCOSTSATDEVELOPMENTFIGURE1CUSTOMERDEMANDSVSMANUFACTURERDEMANDS693ASMOREANDMORECOMPANIESTENDTOBUYMACHINESONLYWITHGUARANTEEDLIFECYCLECOSTS,THEMACHINETOOLMANUFACTURERSHAVETOUNDERTAKETHETASKOFCREATINGAPPROPRIATEOFFERSACOMMONDIFFICULTYWITHLIFECYCLECOSTSOFTECHNICALEQUIPMENTISTOTRANSFORMTECHNICALFEATURESANDCONDITIONSINTOECONOMICVALUES21RESULTSOFACUSTOMERSURVEYINORDERTOEVALUATETHENEEDSOFMACHINETOOLUSERS,ACUSTOMERSURVEYAMONGSEVERALMACHINETOOLUSERSWITHDIFFERENTCOMPANYSIZESANDBRANCHESHASBEENACCOMPLISHEDTHENUMBEROFMACHINETOOLSFORMETALCUTTINGINUSEVARIEDFROM5TO1500TWOIMPORTANTRESULTSFROMTHESURVEYCONCERNINGTHEINVESTMENTDECISIONANDTHEPRODUCTIVITYAREPRESENTEDHEREFORALLCUSTOMERS,TECHNOLOGYANDQUALITYHAVETHEHIGHESTPRIORITYFORANINVESTMENTDECISIONOFMINORIMPORTANCEARELIFECYCLECOSTSANDINVESTMENTCOSTSTHESURVEYREVEALEDTHATONLYSOMEOFTHEBIGGERCOMPANIESTENDTODECIDEONTHEIRINVESTMENTSACCORDINGTOGUARANTEEDLIFECYCLECOSTSASANEXAMPLE,THEDEVELOPEROFTHETCOSTANDARDTOTALCOSTOFOWNERSHIP,DAIMLERCHRYSLER,ONLYBUYSMACHINETOOLSANDPRODUCTIONLINESACCORDINGTOATCOCONTRACTWHERETHETOTALLIFECYCLECOSTSAREASSUREDBYCONTRACTFOR10YEARS1OTHERCOMPANIESWILLFOLLOWINTHEFUTUREREGARDINGTHEPRODUCTIVITY,THEAVAILABILITYANDPROCESSSAFETYOFMACHINETOOLSAREOFHIGHESTIMPORTANCEFORTHEMACHINETOOLUSERSSPEEDANDACCELERATIONAREOFMINORIMPORTANCEFIGURE2HA/42623EIFWUNIMPORTANTRATHERUNIMPORTANTMINORIMPORTANTIMPORTANTVERYIMPORTANTINVESTMENTDECISIONPRODUCTIVITYSURVEYFROM20040102030405060708090100CONDITIONSLIFECYCLECOSTSTECHNOLOGYSERVICEQUALITYSPEEDACCELERATIONAVAILABILITYPROCESSSAFETYSETUPTIMEFIGURE2RESULTSOFACUSTOMERSURVEY22COSTTRANSPARENCYWITHLIFECYCLENAVIGATOR“DESIGNTOCOST”ISTHEHEADLINEOVERTHEMOSTDEVELOPMENTSOFMACHINETOOLSTODAYTHERESULTOFSUCHADEVELOPMENTPROCESSISAPURCHASEPRICEOPTIMISEDMACHINETOOLBUTISTHISRESULTTHEOPTIMUMCONCERNINGTHELIFECYCLECOSTSOFTHEMACHINETOOLANDTHEREFORETHEMONEYBAGOFTHECUSTOMERIFANYLCCCALCULATIONSOFMACHINETOOLSAREDONETODAYTHEYAREREALISEDAFTERTHEDEVELOPMENTPROCESSOFTHEMACHINEHOWWILLTHEDESIGNOFAMACHINETOOLBEMODIFIEDIFAMINIMUMOFTHELIFECYCLECOSTSISTHEBENCHMARKOFTHEDESIGNTARGETOFTHELOEWERESEARCHPROJECTWHEREALSOCOMPONENTSUPPLIERSLIKEBERGSPANNTECHNIKGMBH,FRANZKESSLERGMBH,AMANNESMANN,ARTISGMBHANDSIEMENSAREINVOLVED,ISTHEDEVELOPMENTOFALCCOPTIMISEDMACHINETOOLTHISMAINIDEAGUIDESTHEWHOLEDEVELOPMENTPROCESSOFTHEMACHINETOOLSINCETHEFIRSTREFLECTIONOFTHELOEWEMACHINEITWASACCEPTEDTHATTHEPURCHASECOSTSOFTHELOEWEMACHINEEXCEEDEDTHEPURCHASECOSTSOFACOMPARABLECONVENTIONALMACHINETOOLIFONLYTHELOEWEMACHINEWILLSHOWARIGOROUSBETTERLCCSCHEDULECOMPAREDTOTHECONVENTIONALMACHINETOOLFIGURE3INTHISRESEARCHPROJECT,ANEXISTINGSOFTWARETOOL,THECOSTNAVIGATORWHICHEFFECTSGOODRESULTSINCOMMONDESIGNTOCOSTPROJECTSOFMACHINETOOLSANDOTHERCAPITALEQUIPMENTS2,ISENHANCEDTOTHELCCNAVIGATORDRNOSKETLIFECYCLECOSTS€0AFTERSALESCOSTSTOOLSSERVICEMAINTENANCEENERGYETC10YEARSCOMMONMACHINETOOLLOEWEMACHINETOOLINVESTMENTCOSTS5YEARSLIFECYCLECOSTS€FIGURE3COSTSCHEDULEOFLOEWEMACHINETOOLVSCONVENTIONALMACHINETOOLUSINGTHELCCNAVIGATORTHELIFECYCLECOSTSOFTHEMACHINETOOL,INCLUDINGMANUFACTURINGANDAFTERSALECOSTS,WILLBEEXTRAPOLATEDDURINGTHEWHOLEDEVELOPMENTPROCESSEACHDECISIONCONCERNINGTHEAPPLICATIONORTHEDESIGNOFACOMPONENTWILLBEMADECONSIDERINGTHECALCULATEDVALUESOFTHELCCNAVIGATORALREADYINTHEEARLIESTDESIGNPHASETHEAPPLICATIONOFTHELCCNAVIGATORWILLBEEXEMPLARILYDEMONSTRATEDATTHEDESIGNOFTHEWORKPIECECLAMPINGDEVICEOFTHELOEWETURNINGLATHEDRNOSKE26,126,447,533,411,40,010,020,030,040,050,060,070,080,090,0100,0CONVENTIONALCLAMPINGDEVICELOEWECLAMPINGDEVICEMAINTENANCECOSTSWITHIN10YEARSOTHERAFTERSALESCOSTSWITHIN10YEARSINVESTMENTCOSTSFIGURE4LCCEXTRAPOLATIONOFTHEWORKPIECECLAMPINGSYSTEMOFLOEWEMACHINETOOLVSCONVENTIONALMACHINE694PROCEEDINGSOFLCE2006NORMALLYAHYDRAULICCLAMPINGDEVICEISUSEDFORTHEWORKPIECECLAMPINGFUNCTIONINATURNINGLATHECONSIDERINGTHECLAMPINGFUNCTIONFROMTHEPOINTOFVIEWOFLCC,ACOMPLETENEWSOLUTIONFORTHECLAMPINGOFTHEWORKPIECEHASBEENREALIZEDWITHINTHELOEWEPROJECTTHEMAINCOSTCOMPONENTSOFAHYDRAULICCLAMPINGDEVICEWITHIN10YEARSAREMAINTENANCECOSTSESPECIALLYFORTHEHYDRAULICSUPPLYUNITFIGURE4THISMAINTENANCECOSTSRISEEVENABOVETHEPURCHASECOSTSOFTHEWHOLECLAMPINGDEVICEDURING10YEARSOFOPERATIONTHENEWELECTRICALCLAMPINGDEVICEOFTHELOEWETURNINGLATHEISFREEOFMAINTENANCEANDGENERATESTHEREFORENOMAINTENANCECOSTSDURINGITSLIFETIMEREGARDINGONLYTHEPURCHASECOSTSTHECONVENTIONALCLAMPINGDEVICEHASANADVANTAGECOMPAREDTOTHELOEWEDEVICEBECAUSEOFLOWERPURCHASECOSTSTHEBENEFITFORTHECUSTOMERBECOMESAPPARENTONLYAFTERTHEEXTRAPOLATIONOFTHEENTIRELCCOTHERCOMPONENTSOFTHELOEWEMACHINETOOLARELCCOPTIMIZEDEGTHEBALLSCREWS,THELINEARBEARINGUNITSANDCOMPONENTSOFTHECONTROLUNITBASEDONLCCNAVIGATORCALCULATIONSITCANBESUMMARISEDTHATANLCCOPTIMIZEDMACHINETOOLDESIGNDESIGNTOLCCCREATESASIGNIFICANTLYDIFFERENTMACHINECOMPAREDTOADESIGNUNDERTHEASPECTSOFONLYPURCHASINGCOSTS3MODULARMACHINETOOLTHEINVOLVEDMACHINETOOLMANUFACTURERGILDEMEISTERFOCUSESONAMODULARCONCEPTFORTHEMACHINETOOLSERIESTHATALLOWSTHEUSAGEOFASMANYSTANDARDPARTSASPOSSIBLETHEMACHINETOOLSERIESWILLBEAVAILABLEINSEVERALSTAGESOFEXTENSIONIETHENUMBEROFMAINSPINDLES,THEIRMAXIMUMTORQUESANDROTATIONALSPEEDS,DIFFERENTTURRETSANDTOOLINGSYSTEMS,WHEREASTHEMACHINEBASISREMAINSTHESAMEFORALLTYPESAMODELOFTHEVERTICALLATHEWITHTHEINTEGRATEDFEATURESFORREDUCINGTHELIFECYCLECOSTSISPRESENTEDINFIGURE5EVENTHOUGHTHEMACHINETOOLPROTOTYPEISDEVELOPEDINAMODULARDESIGN,ITISDIFFICULTTOENSUREAWIDELYRECONFIGURABLEMACHINETOOLITHASTOBEDISTINGUISHEDBETWEENARECONFIGURATIONTOBEPERFORMEDBYTHEMACHINETOOLMANUFACTURERANDARECONFIGURATIONTHATCANBEREALIZEDBYTHEMACHINETOOLOPERATORMAINSPINDLEWITHINTEGRATEDBAXISBALLSCREWWITHWEARMONITORINGELECTRICCLAMPINGDEVICEMACHINE/PROCESSMONITORINGINTERCHANGEABLETECHNOLOGYMODULESRFIDTECHNOLOGYFORQUICKSETUPLC

注意事项

本文(外文翻译--面向机床生命周期的发展 英文版.pdf)为本站会员(英文资料库)主动上传,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,请立即通知人人文库网(发送邮件至[email protected]或直接QQ联系客服),我们立即给予删除!

温馨提示:如果因为网速或其他原因下载失败请重新下载,重复下载不扣分。

关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服客服 - 联系我们

网站客服QQ:2846424093    人人文库上传用户QQ群:460291265   

[email protected] 2016-2018  renrendoc.com 网站版权所有   南天在线技术支持

经营许可证编号:苏ICP备12009002号-5