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1、CAD相关技术介绍CADinenergymachineryapplicationsCAD(ComputerAicledDesign)istheabbreviationofcomputer-aideddesign,istousethecomputerapowerfulgraphicsprocessingandnumericalcalculationability,aidedengineeringandtechnicalpersonnelforprojectorproductdesignandanalysis,toachievethei
2、deal,andatechnicalinnovationachievements・Since1950sincethebirthofcomputeraideddesign(CAD)technology,hasbeenwidelyusedinmachinery,electronics,construction,chemicalindustry,aerospaceandenergytopaycivilservantsofthehouse,andotherfields,theproductdesignefficiencyrapidly.Th
3、ecomputeraidedmanufacturingtechnology(com-puteraidedmanufacturing,CAM)andproductdatamanagementtechnology(ProcluctDataManagement,PDM)andcomputerintegratedmanufacturingsystem(Computeritegratedmanufsctufingsystem,CIMS)areintegratedintoone.Productdesignisthestudythatdecide
4、sproductdestiny,alsoisthemostimportantlink,productdesignworkdeterminesproduct75%cost・Atpresent,CADsystemhasbeendevelopedbytheoriginalCADsystemwithonlynumericalcomputationandgraphicalprocessingfunctionsintotheintelligentCADsystem(ICAD)withartificialintelligencetechnolog
5、y(ICAD)・Inthe21stcentury,ICADtechnologywillhavenewcharacteristicsanddevelopmentdirectiontoimprovetheabilityofmanufacturingtorespondquicklytomarketchangesandsmallbatchesandvarieties・Untilthe16thcentury,mechanicalengineeringwasslow.Butinpractice,inonethousandinmechanical
6、developmentandaccumulatedconsiderableexperienceandtechnicalknowledge,becameimportantpotentialofthedevelopmentofmechanicalengineering・Afterthe17thcentury,theemergenceofcapitalisminBritain,FranceandWesternEuropebegantobecomethecenterofsociety・Inthelate18thcentury,theuseo
7、fsteamengineswasappliedfromminingtotextiles,flour,metallurgyandotherindustries.Themainmaterialsformakingmachineryaregraduallychangingfromwoodtotougher,buttheyaredifficulttousebyhand・Themachinerymanufacturingindustrybegantoformandbecameanimportantindustryindecades・In176
8、5,wattinventedasteamenginewithseparatecondensers,reducingtherateoffuelconsumption・In1781,wattcreatedasteamenginethatp
