3D-printingppt课件

.,1,3DPrintingTechnology,2017050575张家祥,.,2,Three-dimensionalprintingtechnologyasanewthingisahighandnewtechnologyofmanufacturingoftheindustrialrevolutionsignificance,representsthenewtrendofworldmanufacturingindustrydevelopment,foracceleratingthedevelopmentofadvancedmanufacturingindustry,promotethetwodepthfusion,promotetransformationandupgradingofindustrieshavetheimportantleadingrole.The3-Dprintingtechnologywasfirstdevelopedinthenineteeneighties.Buthighcostputthemoutofthereachofmanyresearchersandbusinesses.Earlyprinterswerelimited.Highcostandlimitedusesmeantthe3-Dprintermarketwassmall.Now,lower-costprintersareavailabletoamuchwidermarket,includingsmallbusinessesandindividuals.,.,3,Whatis3DPrinting?,Weallknowwhatprintingissoletsbeginwiththe3Dpartof3Dprinting.3Disshorthandforthree-dimensional.Whenyouprintapageonaprinter,thereareonlytwodimensions:thefrontofthepageandthebackofthepage.Three-dimensionalprintingaddsathirddimension,volume.3Dprintingusesaprintertocreatethree-dimensionalobjects,forexample,acupordollorphonecase.,.,4,3Dprintinghasthesequalities:,Objectsarecreatedbyaddingordepositinglayersofmaterial,notsubtractingorcuttingoutpiecesfromablockofmaterial.Becauseobjectsarecreatedbyaddinglayers,thecomputerfilewithdetailsaboutyourmodelmustbeconvertedintoslicestheprinterwillcreatelayerbylayer.Printingathree-dimensionalobjectcantakehoursordaystocomplete,dependingonthecomplexityandsizeoftheobject.Costisbasedonmaterialsused,amongotherfactors.Incontrast,ifyoubuyapieceofwoodthencutoutpiecestocreateyourobjectyoupayfortheoriginalpieceofwood.,.,5,How3DPrintingisUsed,Today3Dprintingismostlydonebybusiness,students,anddesigners.Homeorconsumeruseof3Dprintingismostlylimitedtopeopletryingoutthetechnology.However,theresalotofvalueinprintingthree-dimensionalobjectsforstudents,designers,andanyonewhoneedsasmallobjecttodemonstratetheirideasorcreateusableobjects.Studentsasyoungas10yearsoldalsomightusea3Dprinterinshopclass.Itsthefutureusesofthistechnologywhichhavepeopleexcited.Forexample,replacingtheplasticbackofyourTVremotemightinvolvegoingtoawebsite,findingthepart,thenclickingabuttontohavethepartprintedlocallywhereyoucanpickitup.Todayyoueitherreplacethecompleteremotecontrolorfigureoutwheretogetthereplacementpartwhichhasbeencreatedelsewhere,likelyoverseas.Moreinteresting,3Dprintingmakesitpossibletoexperimentwithfashionandotherpartsofourliveswetakeforgranted.Itmightbepossibletocreatemedicalimplants,forexample,usingtissuefromthepatient.,.,6,TheWorldsfirstfully3D-printedofficesettobebuiltinDubai.AconstructionfirmbasedinDubaihasannouncedplanstobuildtheworldsfirst3D-printedskyscraper.,.,7,Thecompany,calledCazza,hasconfirmedthatitwillbeerectedintheUnitedArabEmirates.,Itsaysitwilluseanewtechniquecalled“craneprinting”tocreatethebuilding.,这栋大厦将会用到一种叫“起重机打印”的新技术。,.,8,Cazzaisyettodisclosethebuildingsplannedheightoranycommencementorcompletiondates,buttheEncyclopediaBritannicadescribesaskyscraperasabuilding”ofunusualheight,generallygreaterthan40or50stories.,Concreteandsteelwillbetwoofthematerialsprintedbythecompanyscranes.,.,9,Theyareaddingnewfeaturestomakeitadaptabletohighwindspeedsalongwiththeuseofourlayersmoothingsystemthatcreatescompletelyflatsurfaces.Youwontknowits3Dprinted.,.,10,Gulfstatesays3Dprintingwillallowittobuildmorecheaplyinfuture,Prototypebuildingwillbeprintedlayer-by-layerandassembledonsite,CouldmeanDubaisever-changingskylinewillsoondevelopevenfaster,Dubaisaysitwillbuilda2,000squarefeetstructureusinga3Dprinter,A,B,C,D,Contents,.,11,Buildingshavebeen3D-printedbefore,withthekeybenefitsbeginlowcostsandspeedycompletion.,以前使用3D打印技术建造的建筑，有一个关键性的优点就是低成本且高效率。,Advantage,.,12,Throughthetechnologies,theywillbeabletobuildarchitecturallycomplexbuildingatneverbeforeseenspeeds.Itisallabouteconomiesofscalewheretheinitialhightechno-logycostswillreduceastheyenterthemass-productionphase.,通过这项技术，将以前所未见的速度建造从建筑学来看十分复杂的建筑。当进入批量生产阶段时，初始