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THERAPIDPROTOTYPINGMANUFACTURINGANDITSAPPLICATIONINMOLDINGMANUFACTURINGABSTRACTBYDISCUSSINGTHERAPIDPROTOTYPINGTECHNOLOGYTHECRAFTPRINCIPLE,CHARACTERISTICOFTHEPROCESSES,FORMATIONANDTHEGENERALSITUATIONOFTHEDEVELOPOFFASTPROTOTYPEANDITSAPPLICATIONINMOLDING,POINTOUTTHETECHNIQUECANFORMAKINDOFAPROCESSSYSTEMOFEXTENSIVEAPPLICATIONANDNOVEL,ANDITSFOREGROUNDISVASTKEYKKKWORDSRAPIDPROTOTYPINGTECHNOLOGY;MOLDINGMANUFACTURING;DEVELOPMENTOFPRODUCTRAPIDPROTOTYPINGTECHNOLOGYISANEWTYPEOFMULTIDISCIPLINARYINTEGRATEDMANUFACTURINGTECHNOLOGYAFTERTHE1980S,FOLLOWINGTHEAPPLICATIONOFCOMPUTERAIDEDDESIGN,PRODUCTSHAPEANDDESIGNCAPABILITIESHAVEGREATLYIMPROVED,HOWEVER,PRODUCTDESIGNHASCOMPLETED,PRODUCTION,ASYSTEMMUSTBEDESIGNEDTOCONVEYTHECONCEPTOFSAMPLES,RAPIDFEEDBACKTOPRODUCTDESIGN,PRODUCTDESIGNANDASSESSTHEFEASIBILITY,ANDFEASIBILITYSTUDIESTHEINCREASINGLYFIERCECOMPETITIONINTHEMARKETTODAY,THETIMEISEFFECTIVETOENHANCETHECOMPETITIVENESSOFPRODUCTS,FROMPRODUCTDEVELOPMENTTOVOLUMEPRODUCTIONOFTHEWHOLEPROCESSAREURGENTLYREQUIREDTOREDUCECOSTSANDINCREASESPEEDRAPIDPROTOTYPETECHNOLOGYAPPEARANCEPROVIDESANEFFECTIVESOLUTIONTOTHISPROBLEMWHICHMUCHATTENTIONATHOMEANDABROAD1THEBASICPRINCIPLEOFRAPIDPROTOTYPINGTECHNOLOGYTHERPISTHEGENERICNAMEOFTHEPRINCIPLECREATIONPRODUCTPROTOTYPETHATUSESTHELONGLOSTLAYERING,ITSPRINCIPLEISPRODUCECADMODEL�STRATIFIEDSEPARATED�ACCORDINGTOTHEPLANGEOMETRYINFORMATIONWHICHISDISPERSEDTOPILEUPTHEORIGINALMATERIAL�GENERATINGENTITYMODELSTHISTECHNOLOGYINTEGRATESOFCOMPUTERTECHNOLOGY,LASERPROCESSINGTECHNOLOGY,NEWMATERIALTECHNOLOGY,RELYINGONCADSOFTWAREINTHECREATIONOF3DCOMPUTERMODELSENTITIES,ANDISDIVIDEDINTOASERIESOFPLANEGEOMETRYINFORMATIONTOCONTROLTHESCANNINGLASERBEAMDIRECTIONANDSPEED,USINGSINTER,POOLINGORCHEMICALREACTIONMEANSEXHAUSTIVESELECTIVEPROCESSINGOFRAWMATERIALS,THUSRAPIDACCUMULATIONMANUFACTUREPRODUCTSENTITIESMODELS2THECHARACTERISTICSOFRAPIDPROTOTYPINGTECHNOLOGYRAPIDPROTOTYPINGTECHNOLOGYBREAKSTHETRADITIONALWAYTOPRODUCESPAREPARTSOF“ROUGHCAST�SLICETOPARETOPROCESS�FINISHED”,NEEDLESSCUTLERYCREATEDTHEFIRSTPRODUCTIONOFSPAREPARTS,ISANUNPRECEDENTEDLAMINAREDUCINGPROCESSINGMETHODSCOMPARINGTOTRADITION,THEFASTPROTOTYPEPROCESSESTHEFOLLOWINGADVANTAGE1PRODUCETHESPAREPARTSOFTHECURVEDFACEANDMORECOMPLICATEDAPPEARANCEQUICKLY,SUCHASSHOULDERWITHINSPAREPARTSANDHOLLOWANDPARTSOFETCS,CONSUMEDLYLOWEREDTHEDEVELOPMENTCOSTOFTHENEWPRODUCTANDDEVELOPMENTPERIOD2ISANONCONTACTPROCESSING,MACHINETOOLCUTTINGPROCESSINGISNECESSARYCUTLERYANDJIGWITHOUTCUTLERYWEARANDCUTTINGFORCE3WITHOUTVIBRATION,NOISEANDSLICETOPARETHEWASTE4CANCARRYOUTTHENIGHTTIMEOVERFULLAUTOMATICPRODUCTION5PROCESSWITHHIGHEFFICIENCY,PRODUCESTHEARTICLEENTITYMODELANDMOLDINGTOOLSQUICKLYTHEFORMFOLLOWSTHECOMPARISONOFTHEMETHODFORTHERAPIDPROTOTYPINGTECHNOLOGYANDTRADITIONCOMPARISONTHEITEMPROCESSINGTECHNOLOGYTHETOOLMACHINESLICESTOPARETOPROCESSRPLIGHTSHAPEMETHODPROCESSTHEMETHODOFPROCESSDOAWAYWITHTHESURPLUSMATERIALPROCESSFOLDTHELAYERPROCESSTHEOBJECTOFPROCESSSOLIDLIQUID,PORTRAIT,POWDERTOOLTHETOOLOFSLICETOPARELIGHTBEAMMINIMUMPROCESSINGUNITSDOT’SDIAMETERISABOUT1ΜMSTRIANGLESOF200ΜMSLONGPRODUCTIONOFSPAREPARTSTHELEASTPROCESSESCOMETOGETHERTHEBODYOFTHEUNITTHELEASTPROCESSESCOMETOGETHERTHEBODYOFTHEUNITTHERPANDTRADITIONSSLICETOPARETHEMETHODCOMPARISONSHEET3THEDEVELOPOFRPRAPIDPROTOTYPINGTECHNOLOGYCONCEPTTHATTHECONCEPTRPRAPIDPROTOTYPINGTECHNOLOGYCOULDBEBACKTO1979THEPROFESSOFZHONGCHUANWEIXIONGINPRODUCEANDTECHNIQUEINSTITUTEOFJAPANESEUNIVERSITYOFTOKYOINVENTTHEMETHODOFFOLDTHELAYERMODEL,THEXIAOYUXIUNANPUTFORWARDTHELIGHTSHAPEMETHODAGAININ1980,AFTERTHECONCEIVEPUTFORWARD,ITWASCONTINUEDTOSTUDYIN1984BYWANGUYANGER,ANDCARRIEDONTOPRODUCEMANUFACTUREONATRIALBASISIN19871988,THEUNITEDSTATESRAPIDLYPROTOTYPE3DSYSTEMSCORPORATIONWASTHEFIRSTTOINTRODUCEPRACTICALDEVICESLASERTHREEDIMENSIONALSHAPESTHATSLASTEREOLIGHTGRAPHYAPPARATUS,ANDANNUALSALESGROWTHRATE3040INCREASEINTHEWORLDMARKETINRECENTYEARS,WITHINCREASINGPERFORMANCESCANNINGAMIRROR,ANDTHEDEVELOPMENTOFMATERIALSSCIENCEANDCOMPUTERTECHNOLOGY,RAPIDPROTOTYPINGTECHNOLOGYMATURES,ANDIN1994TOPROMOTEUNIVERSALACCESSTOTHEFORMALSTAGEINACCORDANCEWITHTHEPATTERNSANDMATERIALSUSEDINTHEDIFFERENTTYPESOFRAPIDPROTOTYPINGTECHNOLOGYCURRENTLYHASTHEFOLLOWINGFOURTYPES31SOLIDIFICATIONRESINMATERIALSUSINGLASERLIGHTSHAPESLAWTHELIGHTSHAPEEQUIPMENTISEXCELLENTWITHAPRODUCTOFTHE3DSYSTEMSCOMPANYOFTHEUNITEDSTATES,ANDTHEFORMATIONOFAMONOPOLYFIGURE1SHOWSTHEOPERATINGPRINCIPLESISSUEDBYTHELASERLIGHT,THEOPTICALSYSTEMTOCOMPILEINTOASMALLBEAM,THEBEAMINTHECOMPUTERCONTROLLED,SELECTIVESCANNINGRESINSURFACE,USINGANULTRAVIOLETRESINFROZENMECHANISMS,ALAYEROFSOLIDIFICATIONRESIN,EACHLAYEROFSOLIDIFICATION,PRECISIONWORKSTATIONSINADISTANCEWITHTHENEWLAYEROFSURFACEGEOMETRICINFORMATIONTOTHELASERSCANNERFORSCANNINGREADING,SOLIDIFICATIONOFTHENEWLAYEROFRESINANDFIRMLYSTICKTOTHEPREVIOUSLAYERHASSOLIDIFICATIONRESIN,SOREPEATEDLYUNTILTHEPRODUCTIONOFSPAREPARTSENTITIESGENERATEDAMODELTHELASERSTEREOSCOPICSHAPEMANUFACTURINGACCURACYCANREACHTHE01MMS,MAINLYUSEDTOPROVIDETHESAMPLEANDTHEEXPERIMENTMODELSFORTHEPRODUCTINADDITION,THESOLIFORMOFTHEJAPANESESYSTEMMACHINEDEVELOPEDCANMANUFACTURETOINJECTTOMODELTHEMO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