Thaum feem ntau ntawm kev tsim khoom lag luam ua haujlwm sab hauv lub tshuab luam ntawv 3D raws li ntu yog builttase txheej los ntawm txheej txheej txheej. Kev ua haujlwm tom qab yog cov kauj ruam tseem ceeb hauv 3D luam ntawv ua haujlwm uas hloov cov khoom luam tawm hauv cov khoom tiav. Qhov ntawd yog, "tom qab-ua" nws tus kheej tsis yog ib pawg tshwj xeeb, tab sis theej ib hom kev sib txawv thiab ua ke kom tau raws li kev ua kom zoo nkauj thiab ua haujlwm sib txawv.
Raws li peb yuav pom hauv cov ncauj lus no, muaj ntau hom kev kawm ua tiav, xws li tom qab kev tshem tawm), nto smoothing (lub cev thiab tshuaj lom neeg), thiab ua yeeb yam. Nkag siab txog cov txheej txheem sib txawv uas koj tuaj yeem siv hauv 3D luam ntawv yuav tso cai rau koj kom tau raws li cov khoom lag luam tshwj xeeb, kev ua kom zoo nkauj tshwj xeeb, lossis nce ntxiv. Cia peb mus saib ze dua.
Cov kev tshaj tawm tom qab feem ntau yog hais txog thawj kauj ruam tom qab tshem tawm cov hmoov av, suav nrog kev txhawb nqa kev hloov kho thiab yooj yim rau kev npaj kom meej dua).
Ntau cov luam ntawv 3D, suav nrog fused feded offition (DMLS), xav siv cov qauv txhawb nqa los tsim cov protrusions, txuas ntxiv rau cov qauv, txuas ntxiv cov qauv Cov. Cov. peculiarity. Txawm hais tias cov qauv no muaj txiaj ntsig hauv cov txheej txheem luam ntawv, lawv yuav tsum tau muab tshem tawm ua ntej ua tiav cov tswv yim tuaj yeem siv tau.
Tshem tawm cov kev txhawb nqa tuaj yeem ua tiav nyob rau ntau txoj kev, tab sis feem ntau cov txheej txheem niaj hnub no muaj kev ua haujlwm, xws li txiav, kom tshem tawm cov kev txhawb nqa. Thaum siv dej-soluble substrates, tus qauv txhawb nqa tau tshem tawm los ntawm imping cov luam tawm khoom hauv dej. Kuj tseem muaj cov kev daws tshwj xeeb rau kev raug tshem tawm, tshwj xeeb yog cov cuab yeej siv CNC thiab cov neeg hlau thiab cov neeg hlau kom raug txiav txiav thiab tswj hwm.
Lwm qhov yooj yim tom qab txoj kev yog sandblasting. Cov txheej txheem cuam tshuam nrog txau luam tawm cov khoom nrog cov khoom ua raws li kev kub siab. Qhov cuam tshuam ntawm cov khoom txau cov ntaub ntawv ntawm cov ntawv luam tawm tsim cov smoother, ntau yam kev sib txawv.
Sandblasting yog feem ntau thawj kauj ruam hauv kev smoothing 3D luam tawm nto uas yog tom qab npaj rau cov kauj ruam tom ntej xws li pleev xim lossis pleev xim. Nws yog ib qho tseem ceeb kom nco ntsoov tias sandblasting tsis tsim cov ci ci lossis ci ua tiav.
Tshaj kev yooj yim sandblasting, muaj lwm cov txheej txheem post-ua tau los txhim kho qhov smoothness thiab lwm yam khoom ntawm cov khoom luam tawm, xws li matte lossis ci ci. Muaj qee kis, cov txuj ci tiav tau siv tau los ua kom tiav smoothness thaum siv cov khoom sib txawv hauv tsev thiab cov luam ntawv. Txawm li cas los xij, hauv lwm qhov xwm txheej, nto smoothing tsuas yog haum rau qee hom xov xwm lossis luam tawm. Qhov ntsuas thiab cov ntaub ntawv luam tawm yog ob qho tseem ceeb tshaj plaws thaum xaiv ib qho ntawm cov txheej txheem hauv qab no (txhua qhov muaj nyob hauv Xometry Instant tus nqi).
Txoj kev tom qab no yog zoo ib yam li cov xov xwm kev ua haujlwm sandblasting nyob rau hauv tias nws yuav cuam tshuam nrog sau nyob rau hauv cov ntawv sau nyob rau hauv kev kub siab. Txawm li cas los xij, muaj qhov tseem ceeb sib txawv: sandblasting tsis siv ib qho seem (xws li xuab zeb), tab sis siv cov iav iav roj hmab hlaws uas yog nruab nrab ntawm kev kub ceev.
Qhov cuam tshuam ntawm puag ncig iav hlaws dai ntawm saum npoo ntawm cov ntawv sau tsim cov smoother thiab ntau cov khoom sib txawv ntawm cov nyhuv. Ntxiv rau cov txiaj ntsig zoo ntawm sandblasting, cov txheej txheem smoothing nce cov mechan tshuab zog ntawm ib feem uas tsis cuam tshuam nws loj. Qhov no yog vim tias cov duab kheej ntawm cov hlaws iav tuaj yeem muaj cov nyhuv superficial heev nyob rau ntawm ib feem.
Tumbling, tseem hu ua kev soj ntsuam, yog cov tshuaj zoo rau kev ua haujlwm me me. Cov thev naus laus zis suav nrog tso 3D cov ntawv luam tawm hauv lub nruas nrog rau cov khoom me me, yas lossis hlau. Lub nruas ces tig los yog vibrates lossis vibrates, ua rau cov khib nyiab los txhuam tawm tsam cov ntawv luam tawm, tshem tawm cov chaw tsis xwm yeem thiab tsim kom muaj qhov chaw du.
Media Tumbling yog muaj zog dua li sandblasting, thiab nto du nto tuaj yeem hloov kho nyob ntawm hom tumbling cov khoom. Piv txwv li, koj tuaj yeem siv cov xov xwm qis-grain los tsim cov khoom siv ntawm cov nqaij uas muaj kev ntxhib los mos tuaj yeem tsim cov khoom sib txawv smoother. Qee qhov ntawm cov tshuab loj tshaj plaws tuaj yeem daws qhov ntsuas ntsuas 400 x 120 hli lossis 200 x 200 x 200 x 200 x. Hli. Muaj qee kis, tshwj xeeb yog nrog MJF lossis SLS qhov chaw, cov sib dhos tuaj yeem ua kom sib dhos nrog cov cab kuj.
Thaum txhua tus ntawm cov txheej txheem du saum toj no yog nce raws cov txheej txheem ntawm lub cev, chav smoothing relies ntawm kev siv tshuaj lom neeg ntawm cov khoom luam thiab chav ua kom muaj qhov chaw du. Tshwj xeeb, chav smoothing cuam tshuam nrog kev nthuav tawm 3D luam mus rau cov kuab tshuaj uas muaj zog (xws li FA 326) hauv kev ua lag luam sib sau. Lub chav ua si rau saum npoo ntawm cov ntawv luam tawm thiab tsim cov tshuaj tswj tau zoo nkauj yaj, ridges thiab hav thiab cov khoom siv hluav taws xob.
Chav du yuav tsum paub kom muab cov nplaim hluav taws xob polished ntau dua thiab ci. Feem ntau, cov txheej txheem du yog kim dua li lub cev smoothing, tab sis yog qhov zoo dua vim nws qhov ua tiav zoo thiab ua tiav. Vapor smoothing yog sib xws nrog feem ntau polymers thiab elastomress 3D luam ntawv cov ntaub ntawv.
Xim yog qhov kev ua dua tshiab ntxiv yog txoj hauv kev zoo rau kev txhim kho lub loog ntawm koj cov luam tawm. Txawm hais tias 3D luam cov ntaub ntawv (tshwj xeeb yog FDM kev xaiv) tuaj rau koj siv cov khoom lag luam thiab cov khoom luam tawm kom haum rau cov khoom muab. khoom. Nov yog ob txoj kev xim feem ntau ntawm cov qauv xim rau 3D luam ntawv.
Txau cov duab yog ib txoj kev nrov uas cuam tshuam nrog kev siv cov tshuaj pleev Aerosol thov thov ib txheej pleev xim rau 3D luam. Los ntawm paiting 3D luam ntawv, koj tuaj yeem txau cov xim kom tusyees dhau ib feem, npog nws tag nrho saum npoo. (Xim tseem tuaj yeem thov xaiv cov txheej txheem npog cov khoom npog ntsej muag.) Cov qauv no muaj ntau rau ob qho kev luam tawm 3D thiab yog cov pheej yig. Txawm li cas los xij, nws muaj ib lub suab loj: txij li lub number case tau thov kom zoo heev, yog tias cov ntawv luam tawm lossis hnav, cov xim luam tawm yuav pom. Cov txheej txheem shading hauv qab no daws cov teeb meem no.
Tsis zoo li tsuag pleev xim los yog txhuam hniav, tus kua mem rau hauv 3D luam ntawv nkag rau hauv qab. Qhov no muaj ob peb qhov zoo. Ua ntej, yog tias 3D luam ua ke ua ke hnav lossis kos, nws cov xim tshee yuav nyob ruaj khov. Stain kuj tsis tev tawm, uas yog cov xim pleev xim yog qhov paub ua. Lwm qhov loj dua kom zoo dua ntawm dyeing yog tias nws tsis cuam tshuam qhov tseeb ntawm cov qauv ntawm cov qauv, nws tsis ntxiv tuab thiab yog li ntawd tsis ua rau poob ntawm kev nthuav dav. Cov txheej txheem xim tshwj xeeb yog nyob ntawm 3D cov txheej txheem luam ntawv thiab cov ntaub ntawv.
Tag nrho cov txheej txheem ua tiav no tau thaum ua haujlwm nrog tus khub tsim khoom lag luam xws li Xometry, tso cai rau koj los tsim kev ua haujlwm 3D uas tau sib ntsib thiab cov qauv kev ua yeeb yam.
Lub Sijhawm Post: Apr-24-2024