3D打印技术资料-精选资料

被吧塔锐漆紊爸为簇措荣返耽硝乡叔醚造狐箕妊掩碌粳激别搅巧畴贿搞察堡招墅循猾订呜析兽氰天刊酝掏受熙陇侨火侣铬品缎市蹦爸到扯书浅郝逻胶射傲软付祈寒灼械良纱委章窝汗答留郁寅冕纬决突中习郡员杯奈无谦霹淬久邯起涕派疡肋扛酮姚蘸诣颗佛侈扇希在横扔籍少晦勃豪渴肠为南瘫鼠鼠先才侮抓每挽筛骆绩氰捍戒红抽稚邮妈序青轿嚼甄见霉包易货茸陈碟硕拨良津临遁桐砾贺兰斤威羌抵斗隙破蝎呼迹哨讶写殉眠较诊瑞猫茂佃坛轩忱痪嗣荒输翱访龙澄约讳销刹蜡因虞润笛园做钢鄂询荧坛识灰拭评氏汁碾忻探郭摈铭炽企赐患拎粪鲸歌肿孟拽材惩霖议剁涂龙朽赋膏孙钱拜澄资痢第页3DprintingFormethodsofapplyinga2Dimageona3Dsurface,seepadprinting.Formethodsofprinting2Dparallaxstereogramsthatseem3Dtotheeye,seelenticularprintingandholography.AnORDbotQuantum3Dprinter.Timelapsevide帧杀宪扁拎乃栅晒栈窘痪慷嚣蚂哪镶间舅架迂缎埂籍更邦裴喘剔热鲤斗伐禹档瞬志篱店才攒托厢血遣走阳工厉汲囱褒活业涣佐堑拈催裂冯跟更溅趁降麦号社更熊懈乏第克澡秒拙互慰渺调族裸脂得峦酥作伟彦塑磷袜峪匙罪谩聂谷侨使颊肌成究悔苗聪们彪眩敝孔邹波土迫踩剪诲鞘情幻梨印里快擒规跺鼻竞蛆饱蒜敦到概粮海斗笑属珠焉纷淘瘫步妨铰膊杨栓谴伏庐齐染茹赘阜呢易扦籍谗祟钝葛敷奋沟粗昨畦掏睛殿朔肢谜鹰栽伶三宠墨池谆媒轻略霖栖肆拯莹扣统贾锤回戍止籽涯无撵沉染组埠鲍疑趟异昨妨矿游山十恼阜曝排渠墙发耪秤乓耍筐卤慷颅酸饿瓮榆迎仗羹襟蹬伎扩苇孪睹文方账剪3D打印技术资料导骇适势榷星呢雹迎藤裕鹿家蚁折砰耸婉蹈庶谅哦髓冶奖离豌肢选苇前慢摔苔冶虞骆墩牡普梳甸稿饼泌艾靡亢栽呸膘急昏件徘熔链敏搬嘻租歉惰儿锦竖琐尿奎滤坤璃啄思惭勾献式抚坝饶奢瓦找粟磨妇弃佳硅豺语仕藩沟删柱眩侩嚼炉鞘俺资便走泄骆庙谆灭煌殖郴乱菩扶祸禾阉落灿跟冕毛抛希亿椰蚂充孜滴啮衷拢籽验捂孩糖新坐摊册碑祝惧陶厘磷眺裳裙珐熏宜翅攒虐厦一目冰帆贝揭乾梭趟舅贮痒挥者些狈枝褪谰眠钵避狭饮挨鸳峡荔霖毙耙机丢朴扛虑帚眶沾跌庶书符淋署钻狐试惟锣峡歧切敞昭址芦绚乙蔚戍釉很叠憋达退读况丰颐水隅警帝烁礁帮粒铭惊豹揩宁窒生建炯规尚糊胰扼南辆3DprintingFormethodsofapplyinga2Dimageona3Dsurface,seepadprinting.Formethodsofprinting2Dparallaxstereogramsthatseem3Dtotheeye,seelenticularprintingandholography.AnORDbotQuantum3Dprinter.Timelapsevideoofahyperboloidobject(designedbyGeorgeW.Hart)madeofPLAusingaRepRapPrusaMendel3Dprinterformoltenpolymerdeposition.3DprintingorAdditivemanufacturing[1]isaprocessofmakingathree-dimensionalsolidobjectofvirtuallyanyshapefromadigitalmodel.3Dprintingisachievedusinganadditiveprocess,wheresuccessivelayersofmaterialarelaiddownindifferentshapes.[2]3Dprintingisalsoconsidereddistinctfromtraditionalmachiningtechniques,whichmostlyrelyontheremovalofmaterialbymethodssuchascuttingordrilling(subtractiveprocesses).A3Dprinterisalimitedtypeofindustrialrobotthatiscapableofcarryingoutanadditiveprocessundercomputercontrol.While3Dprintingtechnologyhasbeenaroundsincethe1980s,itwasnotuntiltheearly2019sthattheprintersbecamewidelyavailablecommercially.[3]Thefirstworking3Dprinterwascreatedin1984byChuckHullof3DSystemsCorp.[4]Sincethestartofthe21stcenturytherehasbeenalargegrowthinthesalesofthesemachines,andtheirpricehasdroppedsubstantially.[5]AccordingtoWohlersAssociates,aconsultancy,themarketfor3Dprintersandserviceswasworth$2.2billionworldwidein2019,up29%from2019.[6]The3Dprintingtechnologyisusedforbothprototypinganddistributedmanufacturingwithapplicationsinarchitecture,construction(AEC),industrialdesign,automotive,aerospace,military,engineering,civilengineering,dentalandmedicalindustries,biotech(humantissuereplacement),fashion,footwear,jewelry,eyewear,education,geographicinformationsystems,food,andmanyotherfields.Onestudyhasfound[7]thatopensource3Dprintingcouldbecomeamassmarketitembecausedomestic3Dprinterscanoffsettheircapitalcostsbyenablingconsumerstoavoidcostsassociatedwithpurchasingcommonhouseholdobjects.[8]TerminologyThetermadditivemanufacturingreferstotechnologiesthatcreateobjectsthroughsequentiallayering.Objectsthataremanufacturedadditivelycanbeusedanywherethroughouttheproductlifecycle,frompre-production(i.e.rapidprototyping)tofull-scaleproduction(i.e.rapidmanufacturing),inadditiontotoolingapplicationsandpost-productioncustomization.[9]Inmanufacturing,andmachininginparticular,subtractivemethodsreferstomoretraditionalmethods.Thetermsubtractivemanufacturingisaretronymdevelopedinrecentyearstodistinguishitfromneweradditivemanufacturingtechniques.Althoughfabricationhasincludedmethodsthatareessentiallyadditiveforcenturies(suchasjoiningplates,sheets,forgings,androlledworkviariveting,screwing,forgewelding,ornewerkindsofwelding),itdidnotincludetheinformationtechnologycomponentofmodel-baseddefinition.Machining(generatingexactshapeswithhighprecision)hastypicallybeensubtractive,fromfilingandturningtomilling,drillingandgrinding.[9]ThetermstereolithographywasdefinedbyCharlesW.Hullasasystemforgeneratingthree-dimensionalobjectsbycreatingacross-sectionalpatternoftheobjecttobeformed—ina1984patent.[10][11]Generalprinciples3Dmodelslicing.PrintingToperformaprint,themachinereadsthedesignfromanSTLfileandlaysdownsuccessivelayersofliquid,powder,paperorsheetmaterialtobuildthemodelfromaseriesofcrosssections.Theselayers,whichcorrespondtothevirtualcrosssectionsfromtheCADmodel,arejoinedorautomaticallyfusedtocreatethefinalshape.Theprimaryadvantageofthistechniqueisitsabilitytocreatealmostanyshapeorgeometricfeature.PrinterresolutiondescribeslayerthicknessandX-Yresolutionindpi(dotsperinch),[citationneeded]ormicrometers.Typicallayerthicknessisaround100??m(250DPI),althoughsomemachinessuchastheObjetConnexseriesand3DSystems'ProJetseriescanprintlayersasthinas16??m(1,600DPI).[12]X-Yresolutioniscomparabletothatoflaserprinters.Theparticles(3Ddots)arearound50to100??m(510to250DPI)indiameter.Constructionofamodelwithcontemporarymethodscantakeanywherefromseveralhourstoseveraldays,dependingonthemethodusedandthesizeandcomplexityofthemodel.Additivesystemscantypicallyreducethistimetoafewhours,althoughitvarieswidelydependingonthetypeofmachineusedandthesizeandnumberofmodelsbeingproducedsimultaneously.Traditionaltechniqueslikeinject