3D打印技术-英文版

Depthofthemagicofthemagic3DprinterStudent:Joey_ZhangStudentNumber:GS1521269Agenda•3DPrinterHistory•Whatisthe3DPrinter•3DPrinterBasicprinciplesandexistingtechnologies•Applicationof3Dprinter•3Dprintingapplicationsinlife3DPrinterHistory•3Dprintingconceptasearlyasafewdecadesagohasbeenproposed.Inthe1970s,withtheriseof3Daideddesign,designerscanseevirtual3Dobjectsincomputersoftware,buttotheseobjectsinclay,wood,orismadeoutofmetalmodelisverydifficult,canusetime-consumingcostmoneytodescribe.3Dprinting,sothattheplaneintoathree-dimensionalprocessalotsimpler,designerofanychangescanbeinafterafewhoursorovernighttoreprintitout,ratherthanspendafewweekstimefactoryputthenewmodelmanufactured.Onlyinthiswaycangreatlyshortentheproductioncycle,reducetheproductioncost.Andwiththecontinuousprogressofscienceandtechnology,morematerialsareprintedout,itwasdiscoveredthattheoriginalcanalsobesoplay.•TheEconomistmagazinehadcommented:inventionscanbringinfluence,atthatagearedifficulttopredict,1750steamengineso,1450printingso,transistorsin1950,too.Now,westillcannotpredict,3Dprintingwillbeinalongtimehowtochangetheworld.Whatisthe3Dprinter•3Dprinter,amachinewhichisakindofrapidprototypingtechnology,itisakindofdigitalmodelfile,theuseofpowderedmetalorplasticandothermaterialscanbebondedbylayerbylayertoconstructtheobjecttechnology.Inthepast,itwasusedinmoldmanufacturing,industrialdesignandotherfields.Itisnowbeingusedindirectmanufacturingofsomeproducts,whichmeansthatthistechnologyisbecomingpopular.•Theupperpartofthemachineisatranslucentcover,arowofthecontrolbuttonnexttoacomputer.Acover,leftstandingfourboxesofdifferentcolorsofink,ontherightsideoftheworkareaputgypsumfinegrindingpowder.Thework,thepowderwillbealayerofliquidconnectionisalsoaspecialglue,inaccordancewiththedifferentcrosssectionalpatterncuring,onelayeruponlayer,feellikeacaketocreatethree-dimensionalentity.3DPrinterBasicprinciplesandexistingtechnologies•Infact,3Dprinterprincipleisverysimple,eachlayerofprintingprocessisdividedintotwosteps,thefirstintheneedtosprayalayerofspecialareaofglue,gluedropletitselfisverysmall,andnoteasytospread.Thenitissprayedwithalayerofuniformpowder,thepowderencounteredthegluewillquicklycuredbonding,whiletheregionisstillloosewithoutglue.Inthisway,thesolidmodelwillbeprintedandformedwithalayerofgluelayerofpowder.Afterthecompletion,todealwiththepowderaroundtheitemscoveredwithpowder,whichcanberecycled,andthencoatedwiththehardnessoftheglue.•Nowtherearetwotypesof3Dprinters,oneisthestackingmethod,oneissintering.Principleisbasicallyamulti-layerprinting,andstackingandsinteringisonlythedifferencebetweenthemoldingtechnology.Stackonlymoldingplastics,suchassiliconmaterial,thecuringreactionraterequirements,andthesinteringcanusinglaserheattreatmentmetalmaterialthingsoutofmetalpowder,theentitymaythroughgrinding,drilling,platingwayforfurtherprocessing.So3Dprintersandordinaryprinters,thebiggestdifferenceisthatink.3DPrinterBasicprinciplesandexistingtechnologies•Existing3Dprintingtechnologytoachieve600DPI,thethicknessofeachlayerofonly0.01mm,wanttoperfectshowhairisstillverydifficult,buttodosmallparts,modelenoughandtospare.Thedevelopmentoftechnologyandthepowderisverygood,thematerialisthinner,eachlayeristhinner,thehighertheaccuracyofthethingsdoneApplicationof3DprinterMedicalindustry:Recently,a83yearoldmansufferingfromchronicboneinfection,soreplacedbythe3Dprinter,printoutofthejawbone,whichistheworld'sfirstuseof3Dprintingproductstodothehumanskeletoncase.Withthedevelopmentoftechnology,andevencanbeprintedoutwiththeactivityofthehumanbodytissue.scientificresearch:Thefossilsto3DscanningbyresearchersatDrexelUniversity,Philadelphia,PA,USA,using3Dprintingtechnologytomakethe3Dmodelforresearch,notonlyretainedtheoriginalfossilalltheexternalcharacteristicsof,andscaling,ismoresuitablefortheresearch.Applicationof3DprinterProductmodel:Forexample,Microsoft's3Dmodelprintingshop,aftertheproductdesign,throughthe3Dprintertoprintoutthemodel,thedesignandmanufacturedepartmenttobetterimproveproducts,tocreateabetterproduct.Architecturaldesign:Intheconstructionindustry,engineersanddesignershaveacceptedtheuseof3Dprinterstoprintthearchitecturalmodel,thismethodisfast,lowcost,environmentalprotection,whilemakingexquisite.Fullymeettherequirementsofthedesigners,butalsocansavealotofmaterial.Applicationof3DprinterManufacturingindustry:Manufacturingalsorequiresalotof3Dprintingproducts,because3Dprinting,bothincost,speedandaccuracythanthetraditionalmanufacturingmuchbetter.3Dprintingtechnologyitselfisverysuitableformassproduction,sothemanufacturingindustryusing3Dtechnologycanbringalotofbenefits,andeventhequalitycontrolisnolongeraproblem.Foodindustry:Yes,istheprintfood.Researchershavestartedtotrytoprintthechocolate.Perhapsinthenearfuture,alotoffoodthatlooksexactlythesameistousefood3Dprintersprintoutofthe.Ofcourse,thefoodthatmaybeproducedatthattimewillbemuchmoreexpensive.Applicationof3DprinterAutomobilemanufacturingindustry:Itisnotthatyourcarisa3Dprintertoprintoutthe(ofcourse,maybeonedaythispossible),butthattheautomotiveindustryinsafety