3D打印外文文献

机械工程学院毕业设计(外文翻译)题3DprinterdesignintroductionWiththeprogressofthetimes,ourstandardoflivingisincreasing,atthesametime,thepopulationisgrowingrapidly,weneedmoreandmoreitemstomeettheconditionsofmateriallife.Thiscertanlywillcauseourrequirementsforgoodswillbemoreandmorehigh,fineworkmanship,uniqueandnonproductionitemswillbeaffectedbythebroadmassesofpeople'sfavorite.Now,wehavetheadvancedtechnologyof3Dprinting,andwecanprintallkindsofwhatweneedandwantthroughthe3Dprinter.3Dprintingtechnologyapplications,itcanbeusedinthemedicalindustry,scientificresearch,productmodel,architecturaldesign,manufacturingandfoodandsoon,awiderangeofprospects.3Dprintingtechnology,isbasedonadigitalmodelfile,theuseofpowderedmetalorplasticandothermaterialscanbebondedbylayerbylayer,thewaytoconstructtheobjecttechnology.3Dprinterappearedinthe90'soflastcentury,thatis,theuseoflightcuringandpaperlaminatingtechnology,suchasrapidprototyping.Itisbasicallythesamewithordinaryprinterworkingprinciple,printerequippedwithliquidorpowderandotherprintedmaterials,andcomputerconnection,throughthecomputercontroltoprintmaterialsasuperimposedlayers.Atlast,thecomputerontheblueprintintothephysical.Nowthistechnologyhasbeenappliedinmanyfields,peopleuseittomakeclothing,buildingmodels,cars,chocolatedesserts,etc..1.1researchstatusof3DprintersathomeandabroadResearchstatusof1.1.1foreign3DprinterAftermorethantenyearsofexplorationanddevelopment,3Dprintingtechnologyhasmadeconsiderableprogress,atpresent,ithasbeenabletoachievethefineresolutionof600dpiinthesinglelayerthicknessof0.01mm.Atpresent,theinternationaladvancedproductscanachievetheverticalrateof25mmthicknessperhour,andcanrealizethecolorofthe24colorprinting.Currently,intheglobal3Dprinterindustry,theUnitedStatesSystems3DandStratasystwocompaniestooccupythevastmajorityofthemarketshare.Inaddition,inthisfieldhasastrongtechnicalstrengthandcharacteristicsoftheenterprise,Systems3Distheworld'slargestrapidprototypingequipmentdevelopmentcompany.InNovember2011acquiredthefirstinventorofthe3DprintingtechnologyandtheoriginalpatentownerCorporationZ,Systems3Dhaslaidaleadingpositioninthefieldof3Dprinting.Stratasyscompanyin2010withthetraditionalprintingindustrygiantHewlett-PackardCosignedaOEMcooperationagreement,theproductionof3DbrandHPprinter.FollowingtheacquisitionofSolidscapeinMay2011,StratasysinApril2012withIsrael'sfamous3DprintingsystemproviderObjetannouncedthemerger.Atpresent,theinternational3Dprintermanufacturingindustryisinarapidmergerandintegrationprocess,theindustrygiantsareacceleratingtherise.CurrentlyindevelopedcountriesinEuropeandAmerica,3Dprintingtechnologyhasinitiallyformedasuccessfulbusinessmodel.Asinthefieldofconsumerelectronics,aerospaceandautomotivemanufacturing,3Dprintingtechnologycanbealowercost,higherefficiencyoftheproductionofsmallquantitiesofcustomcomponents,completethecomplexandsophisticatedmodeling.Inaddition,theapplicationof3Dprintingtechnologyisthefieldofpersonalizedconsumergoodsindustry.SuchasquirkyNewYorkacreativeconsumergoodscompaniesthroughtheonlinecollectionofuserdesign,3Dprintingtechnologytomadephysicalproductsandsalesthroughtheelectronicmarket,ayearcanbelaunched60kindsofinnovativeproducts,theannualincomereached$100million.Researchstatusof3DprinterinChina1.1.2Since1990s,manycollegesanduniversitieshavecarriedouttheindependentresearchanddevelopmentof3Dprintingtechnology.TsinghuaUniversityinmodernmoldingsciencetheory,laminatedobjectmanufacturing,FDMtechnologyhassomeadvantagesofscientificresearch;HuazhongUniversityofscienceandtechnologyinthelaminatedobjectmanufacturingtechnologyadvantage,andhaslaunchedaseriesofHRPmoldingmachineandmoldingmaterials[1];Xi'anJiaotongUniversityindependentlydevelopeda3Dprinternozzle,andthedevelopmentofthelightcuringmoldingsystemandmoldingmaterials,moldingprecisionreached40.2mm;UniversityofscienceandtechnologyofChinadevelopedeightnozzlecombinationinjectiondevice,isexpectedtoinmicromanufacturing,thefieldofoptoelectronicdevicesareapplied.Butoverall,thedomestic3Dprintingtechnologyresearchanddevelopmentlevelisstillabiggapcomparedwithforeigncountries.Inrecentyears,domesticenterpriseshaverealizedthe3Dprintermachineproductionandsales,thecommonfeaturesofthesecompaniesisreturnedfromoverseasteamestablished,onasmallerscale,producttechnologyandforeignmanufacturersofsimilarproductscomparedisstillinthelow-end.Atpresent,thedomestic3Dprinterintheprintaccuracy,printspeed,printsizeandsoftwaresupportisstilldifficulttomeettheneedsofthebusiness,thetechnicalleveltobefurtherenhanced.Intheareaofservices,theeasterndevelopedcitiesofourcountryhavebeengenerallyhaveenterpriseapplicationofimported3Dprintingequipmenttocarryoutcommercialrapidprototypingservices.Itsrangeofservicesrelatestomoldmaking,samplemaking,aideddesignandrestorationofculturalrelics,suchasmultiplefields.Comparedwiththemainland,China'sHongKongandTaiwan3Dprintingtechnologyintroducedearlier,theapplicationismoreextensive,buttheHongKongandTaiwanmainlyfocusontechnologyapplications,ratherthanindependentresearchanddevelopment.1.2developmenttrendsof3Dprinters3