Timagwiritsa ntchito makeke kuti tikulitse zomwe mumakumana nazo.Mukapitiliza kuyang'ana webusayiti iyi, mukuvomera kugwiritsa ntchito makeke.Zambiri.
Nkhani yochokera m'magazini ya Polymer Testing imaphunzira ndikufanizira mtundu wa zida zingapo zophatikizika za polima zopangidwa pogwiritsa ntchito ukadaulo wosindikiza wa 3D, monga morphology ndi kapangidwe kapamwamba, makina amakina, komanso kutentha.
Kafukufuku: Zinthu zapulasitiki zolowetsedwa ndi nano-particle zopangidwa ndi osindikiza a 3D motsogozedwa ndi kuphunzira pamakina.Gwero lazithunzi: Pixel B/Shutterstock.com
Zomwe zimapangidwa ndi polima zimafunikira mikhalidwe yosiyanasiyana malinga ndi cholinga chake, zina zomwe zimatha kuperekedwa pogwiritsa ntchito ulusi wa polima wopangidwa ndi zinthu zosiyanasiyana.
Nthambi yopangira zowonjezera (AM), yotchedwa 3D printing, ndiukadaulo wapamwamba kwambiri womwe umasakaniza zinthu kuti zipange zinthu motengera deta yachitsanzo cha 3D.
Choncho, zinyalala zopangidwa ndi njirayi ndizochepa.Ukadaulo wosindikizira wa 3D pakadali pano ukugwiritsidwa ntchito pazinthu zosiyanasiyana, kuphatikiza kupanga kwakukulu kwazinthu zosiyanasiyana, ndipo kuchuluka kwakugwiritsa ntchito kumangowonjezereka.
Ukadaulowu tsopano utha kugwiritsidwa ntchito popanga zinthu zokhala ndi zovuta, zopepuka, ndi mapangidwe makonda.Kuphatikiza apo, kusindikiza kwa 3D kuli ndi zabwino zake, kukhazikika, kusinthasintha komanso kuchepetsa chiopsezo.
Chimodzi mwazinthu zofunika kwambiri paukadaulo uwu ndikusankha magawo oyenera chifukwa ali ndi chikoka chachikulu pa chinthucho, monga mawonekedwe ake, kukula kwake, kuzizira, komanso kutsika kwamafuta.Makhalidwewa amakhudza kusinthika kwa microstructure, mawonekedwe ake ndi zolakwika zake.
Kuphunzira kwa makina kungagwiritsidwe ntchito kukhazikitsa mgwirizano pakati pa zochitika za ndondomeko, microstructure, mawonekedwe a chigawo, mawonekedwe, zolakwika, ndi khalidwe la makina a chinthu chosindikizidwa.Kulumikizana uku kungathandize kuchepetsa chiwerengero cha mayesero ofunikira kuti apange zotulutsa zapamwamba.
High-density polyethylene (HDPE) ndi polylactic acid (PLA) ndi ma polima omwe amagwiritsidwa ntchito kwambiri mu AM.PLA imagwiritsidwa ntchito ngati chinthu chofunikira kwambiri pazantchito zambiri chifukwa ndiyokhazikika, yachuma, yowola komanso ili ndi katundu wabwino kwambiri.
Kubwezeretsanso pulasitiki ndi vuto lalikulu lomwe dziko lapansi likukumana nalo;choncho, zingakhale zopindulitsa kwambiri kuphatikizira pulasitiki yobwezerezedwanso munjira yosindikiza ya 3D.
Pamene zinthu zosindikizira zimadyetsedwa mosalekeza mu liquefier, kutentha kumasungidwa pamlingo wokhazikika panthawi yopanga filament kupanga (FFF) (mtundu wa kusindikiza kwa 3D).
Choncho, polima wosungunuka amatulutsidwa kudzera mumphuno ndi kuchepetsa kuthamanga.Mapangidwe apamwamba, zokolola, kulondola kwa geometric, makina amakina, ndi mtengo wake zonse zimakhudzidwa ndi mitundu ya FFF.
Kukhazikika, kukakamiza kapena kupindika mphamvu ndi njira yosindikizira zimatengedwa kuti ndizofunikira kwambiri zomwe zimakhudza zitsanzo za FFF.Mu phunziro ili, njira ya FFF inagwiritsidwa ntchito pokonzekera zitsanzo;ma filaments asanu ndi limodzi osiyanasiyana anagwiritsidwa ntchito popanga chitsanzo cha wosanjikiza.
a: ML kulosera za parameter kukhathamiritsa kwa osindikiza a 3D mu zitsanzo 1 ndi 2, b: ML kulosera za parameter kukhathamiritsa kwa osindikiza a 3D mu chitsanzo 3, c: ML kulosera za parameter kukhathamiritsa kwa 3D osindikiza mu zitsanzo 4 ndi 5. Gwero la zithunzi: Hossain , MI, etc.
Ukadaulo wosindikiza wa 3D ungaphatikize zabwino kwambiri zamapulojekiti osindikizira omwe sangathe kukwaniritsidwa ndi njira zachikhalidwe zopangira.Chifukwa cha njira yapadera yopangira makina osindikizira a 3D, ubwino wa magawo opangidwa umakhudzidwa kwambiri ndi mapangidwe ndi machitidwe.
Kuphunzira kwamakina (ML) kwagwiritsidwa ntchito m'njira zambiri popanga zowonjezera kuti zipititse patsogolo chitukuko chonse ndi kupanga.Njira yopangira deta yotengera deta ya FFF komanso chimango chokongoletsera mapangidwe azinthu za FFF apangidwa.
Ofufuzawo adayerekeza kutentha kwa nozzle mothandizidwa ndi malingaliro ophunzirira makina.Ukadaulo wa ML umagwiritsidwanso ntchito kuwerengera kutentha kwa bedi losindikiza ndi liwiro losindikiza;kukula komweku kumayikidwa kwa zitsanzo zonse.
Zotsatira zikuwonetsa kuti kutulutsa kwazinthuzo kumakhudza mwachindunji kutulutsa kwa 3D kusindikiza.Kutentha koyenera kwa nozzle kokha kungathe kuonetsetsa kuti zinthuzo zili ndi madzi okwanira.
M'ntchitoyi, PLA, HDPE ndi zipangizo zobwezerezedwanso za filament zimasakanizidwa ndi TiO2 nanoparticles ndipo zimagwiritsidwa ntchito popanga zinthu zotsika mtengo za 3D zosindikizidwa ndi malonda osungunuka a filament kupanga osindikiza a 3D ndi ma extruder filament.
Mawonekedwe ake ndiatsopano ndipo amagwiritsa ntchito graphene kuti apange zokutira zopanda madzi, zomwe zingachepetse kusintha kulikonse pamakina oyambira a chinthu chomalizidwa.Kunja kwa gawo losindikizidwa la 3D lingathenso kukonzedwa.
Cholinga chachikulu cha ntchitoyi ndikupeza njira yopezera makina odalirika komanso olemera kwambiri muzinthu zosindikizidwa za 3D poyerekeza ndi zinthu zosindikizidwa za 3D zomwe nthawi zambiri zimapangidwa.Zotsatira ndi kugwiritsa ntchito kafukufukuyu zitha kutsegulira njira yopangira mapulogalamu ambiri okhudzana ndi mafakitale.
Pitilizani kuwerenga: Ndi ma nanoparticles ati omwe ali abwino kwambiri popanga zowonjezera ndi mapulogalamu osindikizira a 3D?
Hossain, MI, Chowdhury, MA, Zahid, MS, Sakib-Uz-Zaman, C., Rahaman, ML, & Kowser, MA (2022) Kupanga ndi kusanthula zinthu zapulasitiki zopangidwa ndi nanoparticle zopangidwa ndi osindikiza a 3D motsogozedwa ndi kuphunzira makina .Kuyesa kwa polima, 106. Kupezeka pa ulalo wotsatirawu: https://www.sciencedirect.com/science/article/pii/S014294182100372X?via%3Dihub
Chodzikanira: Malingaliro omwe afotokozedwa pano ndi aja omwe mlembi adafotokoza payekhapayekha, ndipo sakuyimira malingaliro amwini ndi wogwiritsa ntchito tsamba lino, AZoM.com Limited T/A AZoNetwork.Chodzikanirachi ndi gawo limodzi lazoyenera kugwiritsa ntchito tsamba lino.
Thukuta lotentha, Shahir.(December 5, 2021).Kuphunzira pamakina kumakulitsa zinthu zosindikizidwa za 3D zomwe zimabwezeretsanso pulasitiki.AZoNano.Kutengedwa kuchokera ku https://www.azonano.com/news.aspx?newsID=38306 pa Disembala 6, 2021.
Thukuta lotentha, Shahir."Kuphunzira pamakina kumakulitsa zinthu zosindikizidwa za 3D kuchokera ku mapulasitiki obwezerezedwanso."AZoNano.Disembala 6, 2021..
Thukuta lotentha, Shahir."Kuphunzira pamakina kumakhathamiritsa zinthu zosindikizidwa za 3D kuchokera ku mapulasitiki obwezerezedwanso."AZoNano.https://www.azonano.com/news.aspx?newsID=38306.(Idapezeka pa Disembala 6, 2021).
Thukuta lotentha, Shahir.2021. Kuphunzira pamakina kumakhathamiritsa zinthu zosindikizidwa za 3D kuchokera ku mapulasitiki obwezerezedwanso.AZoNano, idawonedwa pa Disembala 6, 2021, https://www.azonano.com/news.aspx?newsID=38306.
AZoNano analankhula ndi Dr. Jinian Yang za kutenga nawo mbali pa kafukufuku wa ubwino wa maluwa ngati nanoparticles pa ntchito ya epoxy resins.
Tinakambirana ndi Dr. John Miao kuti kafukufukuyu wasintha kamvedwe kathu ka zinthu za amorphous ndi zomwe zikutanthawuza ku dziko lozungulira ife.
Tinakambirana za NANO-LLPO ndi Dr. Dominik Rejman, kuvala mabala pogwiritsa ntchito nanomaterials zomwe zimalimbikitsa machiritso ndi kupewa matenda.
Dongosolo la P-17 stylus profiler surface measurer limapereka kubwereza kwabwino kwambiri kwa kuyeza kosasinthasintha kwa 2D ndi 3D topography.
Mndandanda wa Profilm3D umapereka ma profiles otsika mtengo omwe amatha kupanga mawonekedwe apamwamba kwambiri komanso zithunzi zamitundu yeniyeni ndi kuzama kopanda malire.
Raith's EBPG Plus ndiye chinthu chomaliza kwambiri chapamwamba kwambiri cha electron beam lithography.EBPG Plus ndiyofulumira, yodalirika komanso yothandiza kwambiri, yabwino pazosowa zanu zonse.
Nthawi yotumiza: Dec-07-2021