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Chapter3ManufacturingSystemsUnit1IntroductiontoManufacturingSystemsUnit2AdvancedManufacturingSystemsUnit3ManufacturingSupportSystems计划学时:4学时教学内容:3学时,精读,逐句翻译,掌握专业词汇Unit1

IntroductiontoManufacturingSystems1学时,泛读,了解文章大意,掌握专业词汇,翻译重点语句Unit2AdvancedManufacturingSystemsUnit3ManufacturingSupportSystems教学要求:了解制造系统的含义,制造系统的各个组成部分掌握几种典型的制造系统集成组技术、柔性制造系统、敏捷制造等先进制造系统各自应用范围及特点。了解CAD,CAM,CAPP等辅助制造系统在各种制造系统中的应用。

本章共两次作业(作业5,作业6)本章专业词汇conveyor:输送机hoist:起重机partsfeeder:送料器coilfeeder:卷料进料器stamp:冲压automaticpalletchanger:自动托盘转换装置ergonomically:工效学地jobshopproduction:车间任务型生产batchproduction:批量生产identical:相同的grouptechnology:成组技术flexiblemanufacturingsystem:柔性制造系统portray:描绘coordination:协调CNCmachinetools:计算机数控机床computerizednumericalcontrolmalfunction:故障resharpen:重磨parameter:参数geometry:几何形状cylindrical:圆柱的prismatic:棱柱的rectangular:矩形的cube:立方体scheme:计划、设计work-in-process:在制品sophisticated:复杂的、世故的exaggeration:夸张profound:深刻的infrastructure:基础设施irrespective:不考虑的unimpeded:无障碍的automation:自动化materialhandling:物料搬运synthesize:综合integratedequipment:集成设备rawmaterial:原材料positioningdevice:定位装置semi-automatic:半自动化fullautomated:全自动化family:簇productionline:生产线fixture:固定设备、夹具hardware:硬件machinetool:机床lathe:车床millingmachine:铣床drillpress:钻床workstation:工作站portablepoweredtool:便携式电动工具assemblyline:装配线machinecell:机器单元discrete:离散的ancillary:辅助的、附属的workunit:工件mechanized:机械化的pallet:托盘totebin:搬运箱vicinity:邻近workhead:工作台、机台workholder:工件夹具orient:定向clamp:夹住chuck:卡盘Unit1IntroductiontoManufacturingSystemsTheDefinitionofManufacturingSystemComponentsofManufacturingSystem

ClassificationsofManufacturingSystems

DefinitionofManufacturingSystem

Wedefinea

manufacturingsystemtobeacollectionofintegratedequipmentandhumanresources,whosefunctionistoperformoneormoreprocessingand/orassemblyoperationsonastartingrawmaterial,part,orsetofparts.

DefinitionofManufacturingSystem

Theintegratedequipmentincludesproductionmachinesandtools,materialhandlingandworkpositioningdevices,andcomputersystems.Humanresourcesarerequiredeitherfulltimeorperiodicallytokeepthesystemrunning.

ComponentsofaManufacturingSystemProductionmachinesMaterialtransportSystemsComputerControlSystemHumanResourcesProductionmachinesManuallyoperatedproductionmachinesSemi-automatedproductionmachinesFullyautomatedproductionmachinesMaterialtransportSystemThreefunctions:(1)Loading--involvesmovingtheworkunitsintotheproductionmachineorprocessingequipmentfromasourceinsidethestation.(2)Positioning--providesfortheparttobeinaknownlocationandorientationrelativetotheworkheadortoolingthatperformstheoperation.MaterialtransportSystem(3)Unloading--Whentheproductionoperationhasbeencompleted,theworkunitmustbeunloaded,thatis,removedfromtheproductionmachineandeitherplacedinacontainerattheworkstationorpreparedfortransporttothenextworkstationintheprocessingsequence.ComputerControlSystemCommunicateinstructionstoworkersDownloadpartprogramstocomputer-controlledmachinesMaterialhandlingsystemcontrolScheduleproductionFailurediagnosisSafetymonitoringQualitycontrolOperationsmanagementHumanResourcesHumanperformsomeorallofthevalue-addedworkthatisaccomplishedonthepartsorproducts.ClassificationofManufacturingSystemType1:SingleStationsType2:Multi-StationCellsType3:ProductionLines作业5:重点语句翻译译(把下列语语句翻译成中中文)Wedefineamanufacturingsystemtobeacollectionofintegratedequipmentandhumanresources,whosefunctionistoperformoneormoreprocessingand/orassemblyoperationsonastartingrawmaterial,part,,orsetofparts.Threeofthemostimportantofthesearewidespreadandinexpensivetransportationsystems,communicationsystemsthatprovidereal-timeinteractionbetweenpeopleinalmostanypartoftheworld,andcomputersthatassistinthedesign,control,andanalysisofcomplexactivities.作业5:课外翻译(把把下列语句翻翻译成中文))Flexiblemanufacturingsystems(FMS)andcomputer/communicationnetworksexemplifycomplexsystemsthatfallintoaclasscalleddiscreteeventstochasticsystems(DESS).Theefficientdesignandoperationofthesesystemsisextremelyimportanttoeconomiccompetitiveness,yetsystembehaviorisnotcompletelyunderstood.PresentmethodsofanalysisanddesignofDESSfocusontheirbehaviorinthesteadystate,aconceptualizationthatrequiresperformancemeasurestobemade“inthelongrun””or““averagedovertime.””Yet,作业5:mostsystemsexhibitdynamicbehaviorontheirwayto(orsometimesevenduring)thesteadystatethatmayproduceadeviationinperformancefromthatcomputedbysteadystateanalysis.Designandcontrolofsuchsystems(forexample,multiechelonsparepartsinventories,integratedmanufacturingcellsorcomputer/communicationnets)involvingexplicitconsiderationofthecostorimpactoftransientbehavior,isnowarealpossibility.用英文回答下下例问题Recentlywhatmakesamanufacturingsystemchangesomuch?Why?Unit2AdvancedManufacturingSystemsGroupTechnology(GT)FlexibleManufacturingSystems(FMS)ComputerIntegratedManufacturingSystems(CIMS)LeanProduction(LP)AgileManufacturing(AM)E-ManufacturingGroupTechnology(GT)TwoMajorTasks:(1)Identifyingthepartfamilies(2)RearrangingproductionmachinesintomachinecellsBenefitsofGroupTechnologyPromotesstandardizationMaterialhandlingisreducedProcessplanningandproductionschedulingaresimplifiedSetuptimesarereducedWork-in-processisreducedWorkersatisfactionimprovesHigherqualityworkisaccomplishedFlexibleManufacturingSystems(FMS)ContentofFMS:(1)Processequipment(2)Materialhandlingequipment(3)Acommunicationsystem(4)AcomputercontrolsystemAdvantagesofFMS(1)Increasedproductivity(2)Shorterpreparationtimefornewproducts(3)Reductionofinventorypartsintheplant(4)Savingoflaborcost(5)Improvesproductquality(6)Attractingskilledpeopletomanufacturing(7)Improvedoperator’’ssafetyComputerIntegratedManufacturingSystems(CIMS)ActivitiesofCIMS:(1)Identifyinganeedforaproduct(2)Designingaproducttomeettheneeds(3)Obtainingtherawmaterialsneededtoproducetheproduct(4)Applyingappropriateprocessestotransformtherawmaterialsintofinishedproducts(5)Transportingproductstothemarket(6)MaintainingtheproductstoendureproperperformanceinthefieldBenefitsofCIMS(1)Productqualityincreases(2)Leadtimesarereduced(3)Directlaborcostsarereduced(4)Productdevelopmenttimesarereduced(5)Inventoriesarereduced(6)Overallproductivityincreases(7)DesignqualityincreasedLeanProduction(LP)TenRulesofLP:(1)Eliminatewaste;(2)Minimizeinventory;(3)Maximizeflow;(4)Pullproductionfromcustomerdemand;(5)Meetcustomerrequirements;LeanProduction(LP)TenRulesofLP:(6)Doitrightthefirsttime;(7)Empowerworkers;(8)Designforrapidchangeover;(9)Partnerwithsuppliers;(10)Createacultureofcontinuousimprovement.AgileManufacturing(AM)AMisaNewManufacturingStrategyAMisaProductionModeofthe21stCenturyE-ManufacturingWhatisE-Manufacturing?WhatistheFutureofE-Manufacturing?Unit3ManufacturingSupportSystemsCAD(Computer-AidedDesign)CAM(Computer-AidedManufacturing)CAPP(Computer-AidedProcessPlanning)CAE(Computer-AidedEngineering)作业6:重点语语句翻翻译((把下下列语语句翻翻译成成中文文)FutureFMSwillcontainmanymanufacturingcells,eachcellconsistingofrobotservingseveralcomputersNC(CNC)machinetoolsorotherstandalonesystemssuchasaninspectionmachine,awelder,anElectronDischargeMachining(EDM)machine,etc.Insteadofdevotingresourcestoplanningwhatwouldberequiredforfuturemanufacturing,Toyotafocusedonreducingsystemwascapableofimmediatelychangingandadaptingtomarketdemands.That'sbecause3Dsolidmodelingremovedtheemphasisfromusingcomputertechnologytodocumentorcaptureadesignconceptandgaveengineersatoolthattrulyhelpedthemcreatemoreinnovativedesignsandmanufacturehigherqualityproducts.Designanalysisandknowledge-basedengineering(KBE)applicationshelpmanufacturerstorefinedesignconceptsbysimulatingaproduct'sphysicalbehaviorinitsoperatingenvironmentandinfusingthedesigner'sknowledgeandexpertiseintothemanufacturingprocess.作业6:课外翻翻译((把下下列语语句翻翻译成成中文文)Certaincomputer-basedtechnologiesfallingwithinthebroadrealmofCIMhavebeensufficientlywelldevelopedtomeritspecificattention.MostCADsystemallowthedesignertodrawamodelofthedesignbymakingavailableasetofprimitives.Whenthesedesignsaresubjectedtospreadsheet-like““whatif”analysisbasedonengineeringequationscontainedinthesoftware,theessentialsofthedesigncanbeoptimizedbeforethedesignengineerspendsalotoftimegettingdownintothefinedetails.用英英文文回回答答下下例例问问题题WhatisGroupTechnology(GT)?AndwhatarethemajortaskstoapplicationofGroupTechnology?9、静夜夜四无无邻,,荒居居旧业业贫。。。12月月-2212月月-22Thursday,December29,202210、雨中中黄叶叶树,,灯下下白头头人。。。12:57:4412:57:4412:5712/29/202212:57:44PM11、以我独沈久久,愧君相见见频。。12月-2212:57:4412:57Dec-2229-Dec-2212、故人江海海别,几度度隔山川。。。12:57:4412:57:4412:57Thursday,December29,202213、乍见翻翻疑梦,,相悲各各问年。。。12月-2212月-2212:57:4412:57:44December29,202214、他乡生白发发,旧国见青青山。。29十二月月202212:57:45下午午12:57:4512月-2215、比不了得得就不比,,得不到的的就不要。。。。十二月2212:57下午12月-2212:57December29,202216、行动动出成成果,,工作作出财财富。。。2022/12/2912:57:4512:57:4529December202217、做做前前,,能能够够环环视视四四周周;;做做时时,,你你只只能能或或者者最最好好沿沿着着以以脚脚为为起起点点的的射射线线向向前前。。。。12:57:45下下午午12:57下下午午12:57:4512月月-229、没没有有失失败败,,只只有有暂暂时时停停止止成成功功!!。。12月月-2212月月-22Thursday,December29,202210、很多多事情情努力力了未未必有有结果果,但但是不不努力力却什什么改改变也也没有有。。。12:57:4512:57:4512:5712/29/202212:57:45PM11、成功就是是日复一日日那一点点点小小努力力的积累。。。12月-2212:57:4512:57Dec-2229-Dec-2212、世间成事,,不求其绝对对圆满,留一一份不足,可可得无限完美美。。12:57:4512:57:4512:57Thursday,December29,202213、不知香积寺寺,数里入云云峰。。12月-2212月-2212:57:4512:57:45December29,202214、意志坚强的的人能把世界界放在手中像像泥块一样任任意揉捏。29十二月月202212:57:45下午午12:57:4512月-2215、楚塞三三湘接,,荆门九九派通。。。。十二月2212:57下下午12月-2212:

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