Hauv cov teb ntawm cov khoom siv hluav taws xob rau cov neeg siv khoom, cov khoom hnav zam, cov khoom siv hauv tsev tsheb thiab cov khoom siv kho mob siab, 3D luam ntawv ua tiav kev txhim kho kev lag luam los ntawm kev tsim cov qauv mus rau kev tsim khoom kawg ncaj qha, qhov kev loj hlob tseem ceeb ntawm kev lag luam 3D luam ntawv elastomer tam sim no. Kev thov ua lag luam rau cov khoom luam tawm tau tawg los ntawm cov kev xav tau yooj yim ntawm "kev luam ntawv thiab kev ua tau zoo", hloov mus raukev nrhiav ob qho tib si ntawm kev paub txog kev xav thiab kev ua haujlwm hauv kev lag luam — nws yog qhov tsim nyog los ua kom tau qhov kov mos mos thiab cov qauv pom kev zoo, thaum ua tau raws li cov txheej txheem thiab cov qauv kev ua tau zoo rau kev luam ntawv qauv meej thiab kev siv mus sij hawm ntev, uas yog qhov xav tau tseem ceeb rau kev siv 3D luam ntawv siab. Raws li cov khoom siv tseem ceeb rau elastomer 3D luam ntawv, cov thermoplastic polyurethane (TPU) filaments ib txwm ntsib teeb meem kev lag luam tsis txaus ntseeg hauv kev sib npaug ntawm kev ua tiav ntawm kev luam ntawv thiab kev paub txog khoom kawg. Si-TPV (thermoplastic vulcanizate silicone) Elastomer tshiab, cov khoom siv filament raw khoom siab heev tsim tshwj xeeb rau Fused Deposition Modeling (FDM), muab cov kev daws teeb meem tshiab los ntawm kev tsim kho tshiab ntawm cov khoom siv molecular, tshwm sim ua qhov kev coj ua kom zoo dua rau cov khoom siv 3D luam ntawv siab heev.
Cov Kev Txwv Tseem Ceeb ntawm TPU Elastomers Ib Txwm Muaj Hauv 3D Printing Applications
Vim nws muaj zog heev, ua tau ntev thiab hnav tsis kam, TPU tau dhau los ua qhov kev xaiv tseem ceeb rau cov elastomers luam ntawv 3D nruab nrab mus rau qis. Txawm li cas los xij, txwv los ntawm cov khoom siv ntawm cov khoom siv, cov teeb meem kev siv tshuab uas nws pom hauv cov xwm txheej siv siab tsis ncaj qha txwv kev txhim kho cov khoom zoo thiab kev ua haujlwm ntau lawm:
Kev tsis sib haum xeeb ntawm qhov kov nyuaj thiab kev siv xis nyob: Txhawm rau kom ntseeg tau tias cov txheej txheem sib txuas thiab lub zog ntawm cov qauv thaum lub sijhawm luam ntawv, cov ntaub TPU ib txwm yuav tsum tswj hwm qhov nyuaj siab, ua rau cov khoom tiav nrog kev xav tias tes tawv thiab tsis muaj kev ywj pheej. Kev kov daim tawv nqaij ntev ntev yuav ua rau muaj kev ntxhov siab, ua rau nws tsis tuaj yeem ua tau raws li cov kev cai nruj rau kev kov mos mos qis hauv cov khoom hnav, cov khoom siv kho mob, cov tuav tus kheej thiab lwm yam khoom.
Cov teeb meem ntawm cov qauv nto thiab cov nqi tom qab ua tiav: Cov khoom luam tawm TPU feem ntau tsim cov qauv filament pom tseeb ntawm qhov chaw, nrog rau cov yas ci ntsa iab lossis cov khoom nplaum, tsis muaj cov yam ntxwv zoo hauv kev pom thiab kov. Kev ua tiav qhov tiav matte xav tau cov txheej txheem tom qab ua tiav xws li txau thiab polishing, uas tsis yog tsuas yog ua kom lub voj voog ntau lawm ntev dua, tab sis kuj coj kev pheej hmoo ntawm kev hnav txheej thiab tev tawm, thaum ua rau cov nqi kho mob ib puag ncig nce ntxiv.
Muaj ntau yam teeb meem hauv kev luam ntawv: Vim muaj zog yaj thiab cov khoom rheological txwv, TPU feem ntau yuav muaj cov khoom sib sau ua ke ntawm lub qhov nozzle thaum lub sijhawm luam ntawv, ua rau muaj teeb meem xws li kev sib txuas thiab kev cuam tshuam luam ntawv, uas ua rau txo qhov kev ua tiav ntawm kev luam ntawv thiab qhov chaw tiav. Qhov txwv ntawm nws cov ntsuas dej ntws (MFI) kuj txwv tsis pub txhim kho qhov ceev ntawm kev luam ntawv, ua rau nws nyuaj rau phim qhov kev thov loj ntawm kev tsim khoom siab.
Si-TPV Cov Elastomer Tshiab:Ib qho khoom siv rau kev luam ntawv 3D zoo tshaj plaws
Si-TPV tsis yog kev hloov pauv tshuaj yooj yim ntawm TPU, tab sis los ntawm kev siv tshuab dynamic vulcanization cross-linking, cov roj hmab silicone vulcanized tag nrho ntawm 1-3μm raug sib xyaw ua ke hauv thermoplastic resin los tsim ib qho "qauv kob" tshwj xeeb - thermoplastic resin ua haujlwm ua theem txuas ntxiv kom ntseeg tau tias muaj kev ua tiav, thiab roj hmab silicone ua theem sib cais muab cov khoom nrog kev ua tau zoo zoo ntawm cov ntaub ntawv silicon. Nws paub txog kev koom ua ke ntawm cov txiaj ntsig sensory ntawm silicone roj hmab thiab kev yooj yim ua cov thermoplastic plastics ntawm qib molecular, tsim cov kev daws teeb meem rau cov teeb meem ntawm TPU, nrog peb qhov zoo tseem ceeb:
Kev kov zoo li daim tawv nqaij thiab kev nyuaj tswj tau: Si-TPV tuaj yeem ua tiav qhov kev hloov kho qhov nyuaj ntawm Shore, thiab tseem tswj tau cov khoom siv kho tshuab zoo heev hauv qhov nyuaj qis (piv txwv li, Shore A65), ua kom pom "qhov tawv mos". Nws tsis tsuas yog muab cov khoom luam tawm zoo li daim tawv nqaij zoo li kov, tab sis kuj muab kev txhawb nqa thiab kev ua kom zoo, hloov kho zoo rau cov ntawv thov siab kawg hauv kev sib cuag ncaj qha nrog daim tawv nqaij. Nws daws qhov tsis sib haum xeeb ntawm qhov nyuaj thiab kev nplij siab ntawm TPU los ntawm cov khoom nws tus kheej, thiab tuaj yeem ua tiav kev paub txog daim tawv nqaij mus sij hawm ntev yam tsis muaj kev ua tiav tom qab nyuaj.
Cov txheej txheem luam ntawv du thiab ua haujlwm tau zoo dua: Cov khoom rheological ntawm Si-TPV tau tsim los rau hauv txoj kev tsom mus rau, nrog rau kev txhim kho zoo heev ntawm cov roj nplaum, uas tuaj yeem txo cov khoom siv thiab cov hlua ntawm lub qhov nozzle orifice, ua kom muaj kev ruaj khov ntawm kev luam ntawv mus sij hawm ntev. Nws cov ntsuas dej ntws siab dua ua rau cov khoom siv muaj kev npliag zoo dua ntawm qhov kub luam ntawv, tso cai rau kev nce qib ntawm kev luam ntawv kom raug ntawm qhov kev tsim kom raug, uas ncaj qha ua kom zoo dua qhov kev ua tau zoo ntawm kev tsim khoom thiab cov khoom tsim tawm, thiab hloov kho rau qhov kev thov tsim khoom lag luam ntawm FDM 3D luam ntawv.
Cov qauv matte ib txwm muaj thiab ua rau cov xim ploj mus ntev thiab tiv taus huab cua: Siv nws lub zog tshwj xeeb ntawm qhov chaw thiab cov qauv me me, Si-TPV cov khoom luam tawm tuaj yeem ua kom pom tseeb thiab zoo nkauj, tshem tawm cov yas thiab nplaum ntawm cov elastomers ib txwm muaj, thiab ua tiav cov yam ntxwv siab ntawm kev pom thiab kov hauv ib kauj ruam. Tib lub sijhawm, cov khoom siv tsis muaj cov yas lossis cov roj mos, zam cov teeb meem nag, thiab tseem muaj cov yam ntxwv ntawm kev nqus plua plav tsawg, tiv taus cov xim thiab tiv taus UV laus, tswj kom zoo nkauj tom qab siv ntev thiab txo cov nqi kho tom qab ntawm cov khoom.
Nrog rau kev sib koom ua ke ntawm cov roj hmab silicone thiab cov thermoplastic plastics, Si-TPV Innovative Elastomer ua tau raws li ob qho tib sicov kev cai nruj heev rau kev paub txog khoom kawgthiabCov kev cai tsim khoom lag luam nyuajntawm kev luam ntawv 3D siab heev, ua ib yam khoom siv tseem ceeb uas tsav tsheb hloov kho dua tshiab ntawm 3D printing elastomers los ntawm "kev ua haujlwm tiav" mus rau "kev tsim kev paub dhau los". Peb caw cov npoj yaig hauv kev lag luam los sib koom tshawb nrhiav cov peev xwm siv ntawm Si-TPV hauv cov haujlwm luam ntawv 3D siab heev, nrog rau kev tsim kho tshiab ntawm cov khoom siv ua lub hauv paus, ua rau kev tsim kho tshiab ntawm 3D printing mus dhau daim ntawv thiab mus txog qhov kawg hauv kev paub txog kev xav.
Tiv tauj peb ntawmamy.wang@silike.cnlos yog mus saibwww.si-tpv.comtshawb nrhiav seb yuav ua li cas los koom ua ke Si-TPV rau hauv koj cov qauv hnub no.








































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