文档介绍：1英文原文ScopeofCAD/puter-putersystemstofacilitatethecreation,modification,analy SIS, puter-putersystemtoplan,manage, pletedinthedesignandmanufactureofaproduct,asil ~ludesthevariousstepsintheproductcycleandtheouterloopshowssomeofthefunctionsofCAD/,aproductisconceived,whichmaywellbeamodifica ,includinganyrequireddesignanalysis,,ponentsandassembliesareplannedforproduction,oolsandtheestimationofcycletimes,togetherwiththedeterminationofprocessparameters,suchasfeedsandspeed ,schedulingandcontrolofmanufacturetakeplace, puter-basedprocedureshavebeenorarebeingdevelopedtofacilitateeachofthesestagesintheproductcycle,-,suchasthoseforfiniteelementstressanalysis,mechanismsdesign,,puter-puter-aidedprocess-plan ningsystems,includingtheprepamtionofNCprograms,areavailablethatproduceworkplans,esti mates,ponentsandassembliesCll•r'orschedulingandproductioncontrol,largeamountsofdataandnumerousrelativelysimplecalcu elsfromforecastsofthenumberofitemsrequiredduringaparticularmanufacturingperiod®. mercialsoftwarepackagesareavailableforscheduling,inventorycontrol,andshopfloorcontrol,includ ingmaterialsrequirementsplanning(MRP)-putersareusedexten ,designandprocess-petionofthetas