3DPRINTINGGuangxiUniversityApr.18th,2017Whatis3Dprinting?3Dprintingoradditivemanufacturingisaprocessofmakingthreedimensionalsolidobjectsfromadigitalfile.Itisarapidprototypingtechnology,basedonthedigitalmodelfile,usingpowderymetal,plasticandotheradhesivematerials,throughthelayersofthewaytobuildobjectstothetechnology.Howdoes3Dprintingwork?Threeelementsdigitalfile3DprintermaterialmetalNylonglassfiberPLAResinrubberPhotosensitiveresinThreeelementsdigitalfile3Dprintermaterial3DprintingmainstreamtechnologyFDM(FusedDepositionModeling)SLA(StereolithigraphyApparatus)3DP(ThreeDimensionalPrintingandGluing)SLS(SelectingLaserSintering)FDM(FusedDepositionModeling)熔融沉积快速成型Bymeltingthefilamentousmaterial,thosemoltenmaterialwillmeltandsquirtoutfromthenozzle.Itwillbedepositedintheproductionpaneloralayerofsolidifiedmaterial.Whenthetemperaturewaslowerthanthecuringtemperature,Itwillbegantocure,andformthefinalproductthroughstackingmaterialslayerbylayer.Advantages:SimplestructureEasytodesignLowmanufacturingcostsMainmaterial:ABSPLACompositeSLA(StereolithigraphyApparatus)光固化成型SLAistheearliestdevelopedrapidprototypingtechnology,andalsoisoneofthemostin-depth,matureandwidelyusedrapidprototypingtechnology.ThemainmaterialsofSLAisphotosensitiveresin.Itthroughultravioletlightorotherlightsourcesolidificationmolding,layerbylayercuring,getthefinalproductultimately.3DP(ThreeDimensionalPrintingandGluing)三维粉末粘接3DPworkingprinciple:Firstlypavingalayerofpowder,andthenusingthenozzletospraytheadhesiveintheneedtoshapethearea,sothatthematerialpowderbondedtogetherandformofcross-section.Advantages:formingfasttheproductisrichincolorMainmaterial:ceramicpowdermetalpowderplasticpowderSLS(SelectingLaserSintering)选择性激光烧结Thepowdermaterialissinteredunderlaserirradiationandispiledupbyacomputercontrol.Buttheoveralltechnicalisverydifficultyandthemanufacturingandmaintenancecostsareveryhigh.Thanksforlistening