FDM piv rau SLA Tshuab Luam Ntawv: Cov Tshuab Twg Yog Qhov Zoo Rau Koj Txoj Haujlwm?

Qhov kev xaiv ntawm FDM thiab SLA luam ntawv thev naus laus zis nyob ntawm seb koj xav tau dab tsi thiab qhov yuav tsum tau ua kom raug. Rau cov ntawv thov uas xav tau qhov tiav zoo dua, cov ntsiab lus zoo, thiab qhov raug micron, SLA luam ntawv zoo heev hauv cov khoom siv kho mob, cov hniav nyiaj hniav kub, thiab kev ua qauv meej. FDM thev naus laus zis, ntawm qhov tod tes, zoo rau kev ua qauv ua haujlwm, cov qauv loj, thiab cov ntawv thov uas lub zog ntawm cov khoom siv tseem ceeb dua qhov zoo ntawm qhov chaw. Kev nkag siab txog cov kev sib txawv tseem ceeb no pab cov lag luam xaiv cov kev daws teeb meem zoo tshaj plaws raws li lawv lub hom phiaj tsim khoom tshwj xeeb.

Nkag Siab Txog Cov Txuj Ci Tseem Ceeb Tom Qab 3D Printing

Kev tsim khoom siv niaj hnub nim no muaj ob txoj kev siv tshuab uas pab cov lag luam sib txawv. Fused Deposition Modeling (FDM) tsim cov khoom los ntawm kev ua kom sov thiab tso cov thermoplastic filaments txheej los ntawm txheej. Txoj kev no muaj cov khoom siv kho tshuab zoo heev thiab ntau yam khoom siv xaiv, tsim nyog rau ntau yam kev siv.

Stereolithography sawv cev rau txoj hauv kev sib txawv ntawm kev tsim qauv 3D thiab kev tsim khoom ib txwm muaj. Cov tshuab luam ntawv SLA siv cov thev naus laus zis ultraviolet laser los kho cov kua photosensitive resin nrog qhov tseeb siab heev. Lub tshuab laser scanning xaiv cov txheej resin kho, tsim cov khoom nrog qhov tiav zoo kawg nkaus thiab qhov tseeb ntawm qhov ntev - ua tau nrog cov txheej txheem tsim khoom ib txwm muaj.

Cov txheej txheem kho ntawm stereolithography tso cai rau kev luam ntawv daws teeb meem ntawm 25-50 micrometers, ntau dua li qhov siab ntawm txheej 100-300 micrometer ntawm FDM. Qhov kev ua tau zoo no ua rau SLA yog qhov kev xaiv tseem ceeb rau cov lag luam uas muaj kev kam rau siab thiab qhov yuav tsum tau ua tiav qhov chaw siab.

Qhov sib txawv tseem ceeb ntawm kev siv tshuab suav nrog:

1. Cov khoom siv thaum lub sijhawm luam ntawv - FDM siv cov filaments khov kho, thaum SLA siv cov kua roj hmab.
2. Cov Txheej Txheem Tsim Txheej - Thermal Extrusion thiab Photopolymerization
3. Kev daws teeb meem ua tau - FDM feem ntau ua tiav kev daws teeb meem siab dua 100 micrometers, thaum SLA tuaj yeem ncav cuag qis li 25 micrometers.
4. Cov Txheej Txheem Tsim Kho Platform - Cov Tshuab Extruders Txawb thiab Cov Tshuab Laser Ruaj Khoov

Yog tias koj xav tau sai sai los tsim cov qauv ua haujlwm thiab nrhiav cov khoom siv kho tshuab zoo heev, FDM thev naus laus zis yog qhov tsim nyog dua. Ntawm qhov tod tes, rau cov haujlwm uas xav tau kev tsim cov ntsiab lus zoo thiab cov nplaim du, SLA thev naus laus zis yog qhov zoo dua.

Kev Ua Kom Tseeb thiab Zoo: Qhov Zoo ntawm Txhua Lub Tshuab?

Hauv cov chaw tsim khoom tshaj lij, kev muaj peev xwm luam tawm tau zoo ua rau cov thev naus laus zis no sib txawv. Cov tshuab luam ntawv SLA ua tiav cov txheej tuab ntawm 10-25 micrometers, ua rau cov qauv geometries nyuaj tsis yooj yim sua nrog cov txheej txheem ib txwm muaj. Qhov kev meej no yog los ntawm cov txheej txheem photopolymerization tswj hwm qhov twg UV raug txhais cov ciam teb ntawm txhua txheej.

Qhov tiav ntawm qhov chaw yog lwm qhov tseem ceeb uas ua rau txawv. Cov khoom SLA muaj cov chaw du, zoo ib yam li kev txhaj tshuaj molding, tsis tas yuav tsum tau ua tom qab ua tiav. Nws cov txheej txheem kho kom zoo ib txheej tshem tawm cov kab txheej pom uas pom ntau hauv kev luam ntawv FDM, uas tseem ceeb rau cov neeg siv khoom thiab cov pwm precision.

Kev ntsuam xyuas qhov tseeb ntawm qhov ntev qhia txog qhov sib txawv ntawm kev ua tau zoo. Kev tshawb fawb ywj pheej qhia tau tias SLA systems tuaj yeem tswj tau qhov kam rau siab hauv ± 0.05 hli ntawm cov geometries nyuaj, thaum FDM systems feem ntau ua tiav qhov tseeb ± 0.15-0.3 hli, nyob ntawm qhov nyuaj ntawm qhov khoom thiab kev ntsuas lub tshuab luam ntawv.

Cov Ntaub Ntawv Sib Piv Qhov Tseeb:

1. Kev daws teeb meem ntawm txheej - SLA: 10-50 microns, FDM: 50-400 microns
2. Qhov Roughness ntawm Qhov Chaw - SLA: Ra 0.5-2 microns, FDM: Ra 5-15 microns
3. Kev Ntsuas Qhov Tseeb - SLA: ±0.05-0.1 hli, FDM: ±0.15-0.3 hli
4. Kev Tsim Dua Cov Nthuav Dav ntawm Cov Yam Ntxim Saib—SLA ua tau zoo heev hauv cov qauv zoo nkauj thiab cov yam ntxwv me me.

Qhov viscosity ntawm lub cev resin tso cai rau nws kom puv tag nrho cov qhov sib txawv thiab cov ces kaum ntse. Qhov cwj pwm no ua rau SLA thev naus laus zis zoo tshaj plaws hauv kev siv kho hniav, kev ua hniav nyiaj hniav kub, thiab kev tsim cov khoom siv kho tshuab precision, qhov twg qhov tseeb ntawm cov ntsiab lus ncaj qha cuam tshuam rau kev ua haujlwm.

Yog tias koj xav tau cov khoom uas muaj qhov chaw tiav siab thiab nruj me ntsis, SLA thev naus laus zis muaj kev ua tau zoo dua. Rau cov ntawv thov uas muab qhov ceev thiab lub zog ntawm cov khoom siv tso ua ntej qhov zoo ntawm qhov chaw, FDM thev naus laus zis yuav tsim nyog dua.

Kev Ceev thiab Kev Ua Haujlwm Zoo: Kev Xav Txog Kev Tsim Khoom

Kev tshuaj xyuas qhov ceev ntawm kev luam ntawv qhia txog qhov sib txawv me me ntawm cov yam ntxwv kev ua tau zoo uas sib txawv ntau nrog rau qhov geometry ntawm ib feem thiab qhov yuav tsum tau ua kom zoo. Cov txheej txheem FDM zoo tshaj plaws ntawm kev luam ntawv cov duab loj, yooj yim vim tias qhov nrawm ntawm kev tso cov txheej txheem muaj feem cuam tshuam ncaj qha rau lub sijhawm ua tiav. Txawm li cas los xij, cov khoom nyuaj nrog ntau cov qauv txhawb nqa feem ntau muaj lub sijhawm luam ntawv FDM ntev dua.

Qhov ua tau zoo ntawm lub tshuab luam ntawv SLA feem ntau nyob ntawm seb muaj pes tsawg txheej, tsis yog qhov nyuaj ntawm qhov khoom lossis pes tsawg qhov khoom luam tawm ib zaug. Kev luam ntau yam khoom tib lub sijhawm siv sijhawm zoo ib yam li kev luam ib feem ntawm tib qhov siab. Tus cwj pwm no muab qhov zoo dua rau cov xwm txheej tsim khoom ntau uas feem ntau pom hauv cov chaw pabcuam kev tshaj lij.

Cov tshuab luam ntawv SLA siab heev uas siv cov thev naus laus zis hloov pauv qhov loj me ua rau kev ua haujlwm zoo dua. Qhov loj me ntawm qhov loj dua ua rau kev sau sai dua, thaum qhov me me ua kom muaj kev txhais cov duab meej. Kev sim qhia tau tias qhov ceev nce ntxiv 30-50% piv rau cov tshuab ib qho xwb, yam tsis txo qhov tseeb.

Cov Yam Ntxim Saib Xyuas Kev Ua Haujlwm Zoo:

1. Muaj Peev Xwm Luam Ntawv Ua Ib Pawg — SLA thev naus laus zis zoo heev ntawm kev luam ntau qhov chaw ib zaug.
2. Kev Cuam Tshuam ntawm Qhov Nyuaj - Qhov ceev ntawm SLA tsis cuam tshuam los ntawm qhov nyuaj ntawm geometric.
3. Lub Sijhawm Ua Tom Qab - FDM xav tau kev txhawb nqa ntau dua.
4. Cov Khoom Siv Pov Tseg - SLA txo cov khoom siv pov tseg los ntawm kev ntsuas cov tshuaj resin kom raug.

Kev luam ntawv resin siv cov thev naus laus zis digital light processing ua rau kev luam ntawv ceev dua los ntawm kev kho tag nrho cov txheej tib lub sijhawm es tsis txhob luam theej cov ntsiab lus. Qhov kev nce qib no yog qhov tshwj xeeb tshaj yog rau kev tsim khoom ntau.

Kev ua haujlwm zoo ntawm CAD kuj pab tau rau cov txheej txheem SLA rau cov qauv geometries nyuaj. Kev kho software ua rau muaj peev xwm tsim cov qauv txhawb nqa thiab kev tshuaj xyuas kev teeb tsa, ua rau theem npaj uas siv sijhawm ntau dhau los yooj yim dua.

Yog tias koj xav tau kev ua haujlwm sai sai rau cov qauv prototypes nyuaj, SLA thev naus laus zis muab kev ua haujlwm zoo dua. Rau cov khoom loj dua, yooj yim dua uas tsuas yog xav tau kev ua tiav tom qab tsawg kawg nkaus, FDM cov txheej txheem ua haujlwm yooj yim dua.

Kev Xaiv Khoom Siv thiab Kev Siv Ntau Yam

Kev sib txawv ntawm cov khoom siv yog qhov tseem ceeb ntawm kev xaiv uas cuam tshuam rau kev ua haujlwm mus sij hawm ntev thiab kev tswj tus nqi. Kev siv tshuab FDM muaj ntau yam khoom siv thermoplastic, suav nrog cov khoom siv engineering-grade xws li PEEK, PEI, thiab carbon fiber composites. Cov khoom siv no muaj cov khoom siv kho tshuab zoo tshaj plaws uas tsim nyog rau cov khoom siv kawg.

Cov khoom siv ua haujlwm ntawm cov tshuab luam ntawv SLA tau txhim kho zoo heev nrog rau kev tshwm sim ntawm cov qauv photopolymer tshwj xeeb. Cov resins biocompatible siv rau kev tsim cov khoom siv kho mob, thaum cov qauv kub siab tuaj yeem tiv taus qhov chaw ib puag ncig hauv qab lub tsheb hood. Cov resins yooj ywm muaj cov khoom zoo li roj hmab uas tsis tau nrog cov ntaub ntawv stereolithography ib txwm muaj.

Kev sib raug zoo ntawm cov khoom siv qhib tau daws cov teeb meem loj hauv kev kaw cov neeg muag khoom thiab kev tswj tus nqi thaum lub sijhawm yuav khoom. Cov tuam txhab luam ntawv SLA loj tau siv cov txheej txheem qhib resin ntau zuj zus, ua rau cov neeg siv khoom tuaj yeem nrhiav cov khoom siv los ntawm ntau tus neeg muag khoom thiab ua kom cov nqi zoo dua raws li qhov xav tau ntawm daim ntawv thov.

Kev Sib Piv Pawg Khoom Siv:

1. Kev Siv Thermoplastics - Cov txiaj ntsig ntawm FDM hauv PEEK, ULTEM, thiab Carbon Fiber
2. Precision Casting Resins - SLA yog tsim tshwj xeeb rau cov qauv casting peev
3. Cov Khoom Siv Biocompatible - Ob qho thev naus laus zis muaj cov kev xaiv pov thawj
4. Cov Khoom Siv Pob Kaj - SLA thev naus laus zis tuaj yeem tsim cov khoom siv pob tshab pom tseeb
5. Cov Khoom Siv Yooj Yim - SLA cov resins yooj ywm feem ntau zoo dua TPU filaments.

Cov yam ntxwv ntawm cov tshuaj resin ua rau nws ntub tag nrho cov qauv zoo thiab tshem tawm cov teeb meem ntes cua uas feem ntau tshwm sim hauv kev luam ntawv filament. Cov yam ntxwv no yog qhov tseem ceeb rau cov ntawv thov uas xav tau cov qauv sab hauv uas tsis muaj qhov khoob lossis cov channel sab hauv uas nyuaj.

Cov kev xav tau ntawm cov qauv txhawb nqa sib txawv ntawm cov thev naus laus zis. Cov qauv txhawb nqa SLA tuaj yeem tsim nrog cov ntsiab lus sib cuag tsawg kawg nkaus, txo lub sijhawm ua tiav tom qab thiab cov cim ntawm qhov chaw. Cov resins txhawb nqa uas yaj tau hauv dej siab heev tshem tawm qhov xav tau cov kauj ruam tshem tawm tes, ua kom yooj yim dua rau kev ua haujlwm.

Yog tias koj xav tau cov thermoplastics uas siv tau rau kev ua haujlwm, FDM muaj cov khoom siv zoo dua. Txawm li cas los xij, rau cov haujlwm uas xav tau kev pom tseeb, cov qauv zoo nkauj, lossis cov khoom siv tshuaj tshwj xeeb, kev ua tau zoo ntawm cov ntaub ntawv SLA feem ntau yog qhov zoo dua.

Kev Tshuaj Xyuas Tus Nqi: Kev Nqis Peev Thaum Pib thiab Cov Nqi Ua Haujlwm

Kev nqis peev rau cov khoom siv thaum pib sib txawv nyob ntawm seb cov thev naus laus zis thiab kev ua haujlwm xav tau li cas. Cov tshuab FDM theem pib pib tsawg dua $ 500, thaum cov tshuab luam ntawv SLA qib kev lag luam nrog cov ntawv luam loj tuaj yeem raug nqi txij li $ 50,000 txog ntau dua $ 200,000. Txawm li cas los xij, thaum piv cov khoom nrog cov haujlwm sib xws, kev sib raug zoo ntawm tus nqi yuav nyuaj dua.

Cov tshuab luam ntawv SLA qib siab feem ntau qhia tau tias tus nqi tag nrho zoo dua thaum xav txog kev ua haujlwm zoo, kev siv cov khoom siv, thiab cov nqi zog ua haujlwm. Kev txo qis qhov yuav tsum tau ua tom qab ua tiav txhais tau tias tus nqi zog ua haujlwm qis dua rau ib feem tiav, uas yog qhov tseem ceeb tshwj xeeb hauv kev lag luam uas muaj nyiaj hli siab.

Tus nqi khoom siv muaj kev pauv pauv nyuaj thiab xav tau kev tshuaj xyuas kev siv zoo. Cov resins zoo photosensitive feem ntau raug nqi $ 100 txog $ 300 ib liter, thaum cov filaments engineered raug nqi $ 50 txog $ 150 ib kilogram. Txawm li cas los xij, SLA thev naus laus zis tsim cov khib nyiab me me thiab tsim cov khoom ntom ntom ntau dua, cov txiaj ntsig uas them rov qab rau cov nqi khoom siv siab dua.

Kev Xav Txog Tus Nqi:

• Kev Txais Khoom Siv - Cov khoom siv FDM muaj qhov nkag qis dua, tab sis SLA muaj tus nqi peev xwm siab dua.
• Cov Nqi Khoom Siv - Sib txawv nyob ntawm daim ntawv thov thiab kev siv.
• Cov Kev Cai Ua Haujlwm - SLA feem ntau xav tau kev ua haujlwm tom qab ua tiav tsawg dua.
• Cov Kev Cai ntawm Chaw - SLA xav tau qhov cua nkag, thaum FDM xav tau qhov chaw tsawg kawg nkaus.
• Cov Nqi Txij Nkawm - Ob qho thev naus laus zis xav tau kev hloov pauv filament tsis tu ncua.

Kev tshuaj xyuas tus nqi khiav lag luam yuav tsum suav nrog cov kev xav tau ntawm qhov chaw thiab kev xav txog kev nyab xeeb. Cov tshuab luam ntawv SLA xav tau cov tshuab ua pa zoo thiab cov txheej txheem tuav cov roj hmab, ntxiv cov nqi kho vajtse uas cov tshuab luam ntawv FDM tsis muaj. Txawm li cas los xij, cov tshuab kaw niaj hnub no txo ​​qhov cuam tshuam rau ib puag ncig thaum ua kom ntseeg tau tias tus neeg teb xov tooj muaj kev nyab xeeb.

Cov voj voog hloov filament txawv ntawm cov thev naus laus zis. Cov txheej txheem FDM xav tau kev hloov pauv nozzle thiab qhov chaw tsim khoom tsis tu ncua, thaum cov txheej txheem SLA xav tau kev saib xyuas lub tank resin thiab lub qhov rais optical. Kev nkag siab txog cov qauv no pab tsim cov phiaj xwm peev nyiaj mus sij hawm ntev.

Yog tias koj xav tau kev daws teeb meem luam ntawv 3D uas pheej yig thiab tsis tas yuav siv khoom ntau, FDM thev naus laus zis yog qhov kev xaiv zoo tshaj plaws. Rau cov ntawv thov uas xav tau kev nqis peev ntau dua, SLA systems feem ntau tuaj yeem xa cov txiaj ntsig zoo dua mus sij hawm ntev los ntawm kev txhim kho kev ua haujlwm zoo thiab qhov zoo ntawm ib feem.

Kev Siv Hauv Kev Lag Luam: Cov Dab Neeg Ua Tau Zoo Hauv Lub Ntiaj Teb Tiag

Kev tsim qauv tsheb yog ib daim ntawv thov uas xav tau ntau heev, thiab ob qho thev naus laus zis no muaj cov txiaj ntsig tshwj xeeb. Cov tshuab luam ntawv FDM zoo heev ntawm kev tsim cov qauv dashboard, cov qauv cua tso pa tawm, thiab cov khoom siv uas xav tau kev ruaj khov. Ntawm qhov tod tes, cov tshuab luam ntawv SLA tuaj yeem tsim cov qauv sab hauv tsev, cov qauv teeb pom kev zoo, thiab cov qauv txias uas xav tau cov nplaim du thiab nruj.

Cov cuab yeej siv kho mob R&D siv dav dav siv cov thev naus laus zis SLA rau kev tsim cov lus qhia phais, kev tsim cov qauv hniav, thiab kev tsim cov qauv cog hniav. Cov ntaub ntawv polymer uas siv tau rau lub cev, ua ke nrog qhov chaw tiav zoo dua, tsis yog tsuas yog ua tau raws li cov kev cai nruj xwb tab sis kuj tseem ua rau muaj kev hloov kho tus neeg mob tshwj xeeb uas tsis yooj yim sua nrog cov txheej txheem tsim khoom ib txwm muaj.

Cov ntawv thov aerospace muaj qhov yuav tsum tau ua kom raug thiab cov khoom siv siab heev. Cov tshuab luam ntawv SLA tuaj yeem tsim cov kav dej txias sab hauv, cov khoom sib txuas meej, thiab cov qauv sim aerodynamic sai sai. Kev koom ua ke ntau yam khoom rau hauv ib qho kev sib dhos luam tawm txo cov lej ntawm cov khoom thiab qhov nyuaj ntawm kev sib dhos.

Cov Kev Siv Hauv Kev Lag Luam:

1. Kev Kho Hniav / Kev Kho Mob - SLA thev naus laus zis dominates vim nws cov biocompatible resins thiab high precision.
2. Tsheb - Siv dav nyob ntawm qhov xav tau ntawm cov khoom siv.
3. Aerospace - SLA feem ntau yog siv rau cov khoom precision, thaum FDM feem ntau yog siv rau kev ua pwm.

Cov Khoom Siv Hluav Taws Xob rau Cov Neeg Siv Khoom - SLA zoo tagnrho rau cov tsev uas xav tau cov nplaim du.
Cov Cuab Yeej/Cov Khoom Pab Tsim Khoom - Kev xaiv thev naus laus zis nyob ntawm qhov yuav tsum tau ua kom ruaj khov.
Kev tsim cov khoom siv hluav taws xob rau cov neeg siv khoom nce ntxiv mus rau Cov tshuab luam ntawv SLA rau cov khoom uas xav tau kev sib dhos thiab kev ua tiav ntawm qhov chaw, xws li kev tsim vaj tse, cov txheej txheem khawm, thiab kev txhawb nqa sab hauv. Lub peev xwm ua kom sai ntawm Cov tshuab luam ntawv SLA tso cai rau cov pab pawg tsim qauv kom sai sai sim ntau yam qauv tsim thaum tswj hwm cov qauv zoo nkauj.

Cov tsev kawm ntawv suav tias ob qho thev naus laus zis no muaj txiaj ntsig zoo rau ntau lub hom phiaj qhia ntawv. Cov txheej txheem FDM yooj yim rau kev khiav lag luam thiab siv, pab txhawb kev tuav cov khoom siv, thiab tuaj yeem qhia cov ntsiab lus yooj yim ntawm kev tsim khoom ntxiv. Cov thev naus laus zis SLA qhia txog cov ntsiab cai tsim khoom siab heev thiab cov ntsiab lus kev tsim khoom meej, uas yog qhov tseem ceeb rau cov chav kawm txuj ci.

Yog tias koj xav tau cov qauv ua haujlwm uas tuaj yeem tiv taus kev sim kev ntxhov siab, FDM feem ntau muab kev ua haujlwm txaus ntawm tus nqi qis dua. Rau cov ntawv thov uas xav tau cov chaw zoo lossis cov khoom sib dhos meej, SLA thev naus laus zis feem ntau zoo dua.

xaus

Kev xaiv ntawm FDM thiab SLA thev naus laus zis yuav tsum tau soj ntsuam xyuas qhov tseeb ntawm qhov yuav tsum tau ua, qhov ntau thiab tsawg ntawm kev tsim khoom, thiab cov kev txwv ntawm daim ntawv thov. Cov tshuab luam ntawv SLA zoo heev hauv cov ntawv thov uas xav tau qhov zoo ntawm qhov chaw siab heev, kev kam rau siab, thiab cov qauv nyuaj, ua rau lawv zoo tagnrho rau cov khoom siv kho mob, kev ua qauv tseeb, thiab cov khoom siv siab heev. FDM thev naus laus zis, ntawm qhov tod tes, yog qhov tsim nyog rau cov ntawv thov ua haujlwm uas muab qhov tseem ceeb rau lub zog kho tshuab, kev hloov pauv ntawm cov khoom siv, thiab kev siv nyiaj tsim nyog. Kev nkag siab txog cov kev sib txawv tseem ceeb no pab txiav txim siab zoo, ua kom ntseeg tau tias kev tsim khoom mus sij hawm ntev thiab rov qab los ntawm kev nqis peev.

Txhim Kho Koj Lub Peev Xwm Tsim Khoom Nrog Magforms SLA Solutions

Lub tuam txhab tsim khoom siv SLA ua tus thawj coj Magforms muaj cov tshuab ua haujlwm hauv kev lag luam uas sib xyaw ua ke German Scanlab galvanometers, AOC lasers, thiab Panasonic servo motors, ua tiav kev ntseeg siab thiab qhov tseeb tsis muaj qhov sib piv. Nws cov thev naus laus zis laser qhov loj me hloov pauv ua rau muaj kev ceev ceev luam ntawv sai dua 30-50% thaum tswj hwm qhov tseeb ± 0.1 hli hauv kev luam ntawv loj. Nrog rau kev sib raug zoo ntawm cov resin qhib thiab kev txhawb nqa kev txawj ntse, Magforms daws cov teeb meem kev yuav khoom xws li kev xauv khoom ntawm cov neeg xa khoom thiab kev teb qeeb ntawm kev pabcuam. Thov hu rau info@magforms.com kom paub seb lawv cov khoom siv thiab cov khoom siv sib xyaw ua ke tuaj yeem ua kom zoo dua koj cov txheej txheem tsim khoom.

References

1. Gibson, Ian, et al. “Cov Txuj Ci Tsim Khoom Ntxiv: 3D Printing, Rapid Prototyping, thiab Direct Digital Manufacturing.” Springer International Publishing, 2021.

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3. Ngo, Tuan D., thiab lwm tus. "Kev Tsim Khoom Ntxiv rau Kev Lag Luam 4.0: Cov Khoom Siv, Cov Txuj Ci, thiab Cov Ntawv Thov." Lub Tuam Txhab Tshawb Fawb Txog Cov Khoom Siv, 2019.

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