文档介绍：FundamentalsofMechanicalDesignMechanicaldesignmeansthedesignofthingsandsystemsofamechanicalnature—machines,products,structures,devices,,thematerialssciences,andtheengineering-?Doestheengineersimplysitdownathisdeskwithablanksheetofpaper?And,ashejotsdownsomeideas,whathappensnext?Whatfactorsinfluenceorcontrolthedecisionswhichhavetobemade?Finally,then,howdoesthisdesignprocessend?Sometimes,butnotalways,,afeelingofuneasiness,,theneedtodosomethingaboutafood-packagingmachinemaybeindicatedbythenoiselevel,bythevariationsinpackageweight,?,theproblemmightbethatofreducingthedustdischargefrompower-plantstacks,,,thenumbertobemanufactured,theexpectedlife,therange,theoperatingtemperature,',togetherwiththefacilitiesofacertainplant,constituterestrictionsonadesigner'sfreedom,andhenceareapartoftheimpliedspecification