中英文翻译 虚拟制造技术.doc

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1、VirtualManufacturingWhatisVirtualManufacturringVirtualmanufacturing(VM)isanintegrated,syntheticmanufacturingenvironmentexercisedtoenhancealllevelesofdecisionandcontrolinamanufaceturingenterprise.VMcanbedescribedasasimulatedmodeloftheactualmanufacturingsetupwhichmayormaynotexist.Itholdsall

2、theinformationrelatingtotheprocess,theprocesscontrolandmanagementandproductspecificdata.Itisalsopossibletohavepartofthemanufacturingplantberealandtheotherpartvirtual•Virtualmanufacturingistheuseofcomputermodelsandsimulationsofmanufacturingprocesstoaidindesignandproductionofmanufacturedpro

3、ducts.LawrenceAssociatefl996],haveidentifiedthreedifferenttypesofVirtualManufacturingparadigmsthatuseVirtualRealitytechnologytoprovidetheintegratedenvironment.(1)Design-centeredVM:providesdesignerswiththetoolstodesignproductsthatmeetdesigncriteriasuchasdesignforX(2)Production-centeredVM:p

4、rovidesthemeansdevelopandanalysealternativeproductiontheprocessplans;(3)Control-centeredVM:allowstheevaluationofproductdesign,productionplans,andcontrolstrategyandameanstoiterativelytoimproveallofthemthroughthesimulationofthecontrolprocess.WhatistheSignificanceofVMVMaimsatprovidinganinteg

5、ratedenvironmentforanumberofisolatedmanufacturingtechnologiessuchasComputerAidedDesign,ComputerAidedManufacturing,andComputerAidedProcessPlanning,thusallowingmultipleuserstoconcurrentlycarryoutallorsomeofthesefunctionswithouttheneedforbeingphysicallyclosetoeachothe匚Forexample,aprocessplan

6、ningengineerandamanufacturingengineercanevaluateandprovidefeedbacktoaproductdesigner,whomaybephysicallylocatedinanotherstateorcountry,atthesametimeasthedesignisbeingconceived.AnotherimportantcontributionofVMisVirtualEngerprise(VE).Linetal[1995]definedaVirtualEnterpriseas"rapidlyconfigured

7、multi-disciplinarynetworkofsmall,processspecificfirmsconfiguredtomeetawindowofopportunitytodesignandproduceaspecificproduct?"Usingthistechonology,agroupofpeople,orcorporationscanpooltheirexpertiseandresourcesandcapitalizeamarketopportunity,bysharinginformatiioninaVM