【纯英】3D打印技术介绍

Name:ChenWanLeNo.:(此处填你的学号)Whatis3DPrinting?•3DprintingorAdditivemanufacturingisaprocessofmakingathree-dimensionalsolidobjectofvirtuallyanyshapefromadigitalmodel.3Dprintingisachievedusinganadditiveprocess,wheresuccessivelayersofmaterialarelaiddownindifferentshapes.3Dprintingisalsoconsidereddistinctfromtraditionalmachiningtechniques,whichmostlyrelyontheremovalofmaterialbymethodssuchascuttingordrilling.Historyof3DPrinting•Thephenomenonofengineeringobjectsthroughdigitaltechnologycameintobeinginthemid80’swhenCharlesHullsintroducedatechnologythatcouldprintphysical3Dobjectswithdigitaldataasinput.HullnamedthistechnologyasStereolithographyandgotitpatentedin1987.Makingfurtheradvancements,hefoundedStereolithographyApparatus,thefirstcommercial3DPrintingmachine.ScottCrumptookthetechnologyfurtherbyinventingFusedDepositionModelling(FDM).HelaterfoundedStratasysandbroughtintothemarketa3DModeler,basedontheFDM.Thiswasamajorbreakthroughindigitalprintingtechnologythatmadewayforbiggeradvancements.Aftermoreinnovationsandintroductionofnewerproducts,MITannexedthename‘3DPrinting’totheemergingprintingtechnologyin1995.Thefirsthighdefinitioncolour3DPrinterwaslaunchedbyZCorporationin2005.3DPrintingofToday•3DprintinghasbeenmakingforaysandfindingitsstridesintheareasbeyondProductDesignandDevelopment.Realizingthegreatpotentialof3Dprinters,variousotherindustriessuchasmetalcasting,jewelry,etc.arealsocontemplatingonresortingto3Dprintingtechnologyfortheirmanufacturingprocesses.Hence,itisevidentthatthe3Dprintingindustryisexperiencingaboomanditwouldbesafetosaythatthe3Dprintinghasbroughtusatthecuspofaquantumleapinprintingtechnology.Thisdigitizedtechniquetothemanufacturinglendsadefinitudeandhigherapplicabilitytothefinalproduct.3DPrintingofToday•Today,thereisnoringontheareasthistechnologycanserve.3Dprintingisusedveryeffectivelyinthefieldofarchitecturewheremodelscanbedesignedandcreatedwithaspeedandanaccuracylevelthatishardtomatch.The3dprintingfacilitatesmakinga3Dmodelforeveryindividualdesignmapasopposedtothetraditionalmethodofcreatingpictureslidesofseveralstructuralmodels.Printers•ConsumeruseRepRapversion2.0(Mendel).MakerBotCupcakeCNC.Applications•Q:Whatthingscanbeprinted？•A:Industrialmodels,parts,handicrafts,householdappliances,medicalequipment,toys,tools,weaponsandevencars,planesinthefuture.PhysicaldisplayStoolIndustrialpartsPhysicaldisplayPistolShoe