欢迎来到天天文库
浏览记录
ID:21195174
大小:91.59 KB
页数:7页
时间:2018-10-20
《计算机辅助制造英文原文》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、IntegratedComputerAidedManufacturing^INTRODUCTIONToday’sindustrycompetesinatrulyinternationalmarketplace.Efficienttransportationnetworkshavecreateda“worldmarket”inwhichweparticipateonadailybasis.Foranyindustrialcountrytocompeteinthismarket,itmusthavecompaniesthatprovideecono
2、michigh-qualityproductstotheircustomersinatimelymanner.Theimportanceofintegratingproductdesignandprocessdesigntoachieveadesignforproductionsystemcannotbeoveremphasized.However,evenonceadesignisfinalized,manufacturingindustriesmustbewillingtoaccommodatetheircustomersbyallowin
3、glast-minuteengineering-designchangeswithoutaffectingshippingschedulesoralteringproductquality.MostU.S.-basedmanufacturingcompanieslooktowardCAD/CAMandCIMtoprovidethisflexibilityintheirmanufacturingsystem.Today,theuseofcomputersinmanufacturingiscommon.Manufacturingsystemareb
4、eingdesignedthatnotonlyprocesspartsautomatically,butalsomovethepartsfrommachinetomachineandsequencetheorderingofoperationsinthesystem.(Figure1)containsaplotoftheeconomicregionsofmanufacturing.ItshouldbenotedthatmanualhandcraftedgoodswillalwayshaveamarketintheUnitedStatesaswe
5、llasabroad.Thisisalsotrueofindustrialproducts—therewillcontinuetobeaneedforspecialone-of-a-kinditems.Thespectrumofone-of-a-kindgoodsthroughhigh-volumegoodsdictatesthatavarietyofmanufacturingmethodsbeusedtomeetourvariousindustrialneeds.Someofthesesystemswilllooklikethefactori
6、esthatourgrandparentslaboredin,whereasotherswilltakeonafuturisticlook.Inthefollowingsections,adiscussionofflexiblemanufacturingsystemsispresented.HighTransterLinesDedicatedSystemsVolume-productionPerpartNumberFlexibleSystemsAutomatedCelIsIntegratedJobShopsAutomationTechnolog
7、iesVariety-PartNumbersPerSystemHighFigure1Volumeversusvarietyregionsforeconomicmanufacturing2.FLEXIBLEMANUFACTURINGSYSTEMSAflexiblemanufacturingsystem,orFMSastheyaremorecommonlyknown,isareprogrammablemanufacturingsystemcapableofproducingavarietyofproductsautomatically.SinceH
8、enryFordfirstintroducedandmodernizedthetransferline,wehavebeenabletoperform
此文档下载收益归作者所有