Wake wazibuza ukuthi leyo mikhiqizo yepulasitiki ebushelelezi futhi esobala yenziwa kanjani ngokunemba nangokucacile? Hhayi-ke, impendulo isezweni elihehayo lokubumba komjovo we-PMMA. Kule bhulogi, sizongena enqubweni entsha yokubumba umjovo we-PMMA, sihlole ukuthi iyiguqule kanjani imboni yokukhiqiza ngezinto zayo ezikhethekile kanye nezinhlelo zokusebenza.

Ngakho-ke, zibophe njengoba sikuthatha ohambweni lokudabula endaweni ye-PMMA futhi uthole ukuthi le nto ehlukahlukene ililolonga kanjani ikusasa lokwenziwa kwepulasitiki.

Iyini i-PMMA?

I-Polymethyl methacrylate, ebizwa ngokuthi i-PMMA, i-polymer, eyaziwa nangokuthi i-acrylic noma i-plexiglass.

I-Acrylic acid kanye ne-polymerization yayo epholile yama-polymers atholakala ngokuhlanganyela abizwa ngokuthi uviniga wesihlahla se-acrylic, amapulasitiki ahambisanayo abizwa ngokuthi amapulasitiki e-polyacrylic acid, okuyi-polymethyl methacrylate esetshenziswa kakhulu.

Izinto ezibonakalayo ze-PMMA

Njenge-thermoplastic ebalulekile ethuthukiswe ngaphambili, i-PMMA inezinzuzo zokungafihli okuphezulu, intengo ephansi, ukucubungula kalula kwemishini, njll. Ijabulela idumela elithi "Queen of Plastics", futhi inezinhlobonhlobo zezicelo embonini yezokwakha.

Ingenambala futhi isobala, izinga lokudlulisa ukukhanya lika-90% -92%, ukuqina, izikhathi ezingaphezu kwezingu-10 ezinkulu kunengilazi ye-silica.

Ama-optics amahle, ukufakwa kwe-insulation, ukucubungula kanye nokumelana nesimo sezulu.

Incibilika kuzincibilikisi zemvelo njenge-carbon tetrachloride, benzene, toluene, dichloroethane, trichloromethane ne-acetone.

Ibonisa ukucaca okuphezulu nokukhanya, ukumelana nokushisa okuhle, nokuqina, ubulukhuni, izici zokuqina, izinga lokushisa lokuhlanekezela ukushisa elingu-80 ℃, amandla okugoba angu-110Mpa.

Ukuminyana 1.15 - 1.19 g/cm³, izinga lokushisa lokuguqulwa lingu-76-116℃, ukuncipha kokubumba 0.2-0.8%.

Umugqa wokunweba i-coefficient engu-0.00005-0.00009/°C, izinga lokushisa lokuhlanekezelwa kokushisa ngu-68-69°C (74-107°C).Iyini i-PMMA Injection Molding?

I-Poly(mеthyl mеthacrylate), evame ukwaziwa nge-PMMA, iyi-polymer ye-thermoplastic engasindi futhi esobala esithole ukuthandwa kakhulu ezimbonini ezahlukahlukene. Ikhono layo lokulingisa ingilazi ngenkathi ilula futhi i- impact-resistant kuyenza ibe inketho ekahle ezinhlelweni eziningi zokusebenza.

Ukubumba umjovo we-PMMA kuyinqubo yokukhiqiza enembayo nephumelelayo ebandakanya ukujova i-PMMA encibilikisiwe esikhunjeni esingokwezifiso ngaphansi kwesiqinisekiso esiphezulu, okuholela ezinhlobonhlobo zemikhiqizo enokucaca okukhethekile kanye nombono obonakalayo.

Kungani i-PMMA noma i-Acrylic Isetshenziselwa Kakhulu Ukubumba Umjovo?

I-Polymethylmethacrylate (PMMA) noma i-acrylic iyi-thermoplastic eqinile, ecacile, ebonisa ngale enokucaca okuhle kakhulu kokubona okuvame ukusetshenziswa njengenye indlela esikhundleni sengilazi.

Uma kuqhathaniswa nokubunjwa komjovo we-polycarbonate, ukubumba komjovo we-PMMA akubizi kakhulu futhi kuvumela ukubumba ngokwezifiso kwama-acrylic. Ngenxa yalokhu, izinto zokwakha ze-PMMA nazo zithandwa yimboni yokukhiqiza okungeziwe ukuze kwenziwe i-prototyping.

Ngesikhathi esifanayo, ama-acrylics anamandla aphezulu, angakwazi ukumelana nemithwalo, angayitholi iphunga, futhi angagcina ukubekezelelana okuqinile ngesikhathi sokubumba umjovo.

Ezimweni ezinelanga nezimvula, i-PMMA imelana nemisebe ye-UV futhi, lapho ithintana namanzi, ihlala izinzile futhi ayikhiphi i-bisphenol A (BPA), ikhemikhali etholakala kumapulasitiki amaningi athinta kabi impilo yomuntu, okwenza ifaneleke ukusetshenziswa kwangaphandle.

Sekukonke, ukuhambisana phakathi kwe-PMMA nezindlela zokubumba umjovo kuyingqayizivele, kuhlinzeka ngesisombululo sokubumba umjovo ukonga ngenkathi kukhiqizwa imikhiqizo yekhwalithi ephezulu.

Izimo Zokucubungula Ukubumba Umjovo we-PMMA

Enqubweni yokubumba umjovo we-PMMA, impushana noma ama-granules ashiselwa esimweni esincibilikisiwe bese ejova esikhunjini ngaphansi kwengcindezi ephezulu. Ngemuva kokupholisa nokusetha, isikhunta siyasuswa, okuholela emikhiqizweni yokubumba ye-PMMA yangokwezifiso.

 

Izinzuzo ze-PMMA Injection Molding

Ukubumba komjovo we-PMMA kunikeza izinzuzo eziningi, okuyenza ibe into efunwa kakhulu yezinhlelo zokusebenza ezahlukahlukene. Ake sihlole lezi zinzuzo ngemininingwane eyengeziwe:

●I-Optical Clarity

Esinye sezici eziphawuleka kakhulu ze-PMMA ukucaca kwayo okukhethekile. Uma kuqhathaniswa nezinye izinto, i-PMMA inikeza ukukhanya okungenakuqhathaniswa, okucishe kufane nengilazi kodwa ngaphandle kwesisindo. Lesi sici sikwenza kube ukukhetha okuhle emikhiqizweni lapho ukucaca okubonakalayo kubalulekile.

Noma ngabe amalansi okubuka amehlo, amalensi ekhamera, noma amakhava okukhanya ezimoto, i-PMMA iqinisekisa ukubonakala okuphakeme, ithuthukisa ubungcweti bomsebenzisi buphelele bomkhiqizo wokugcina.

●I-Lightwеight kanye ne-Impact-Resistant

I-PMMA's lightweight nature iyayihlukanisa nengilazi yendabuko.

Le ndawo iyenza ithandeke kakhulu ezinhlelweni zokusebenza lapho isisindo sibalulekile, njengezingxenye ze-aеrospace kanye namadivayisi wezokwelapha. Ukwengeza, izakhiwo zayo ezimelana nomthelela zinciphisa ingozi yokuphahlazeka phezu kwemithelela yengozi, ukuthuthukisa ukuphepha ezimeni ezihlukahlukene.

●I-UV kanye ne-Wеeather Resistance

I-PMMA yaziwa ngobuhle bayo be-UV kanye nokumelana nesimo sezulu, okuyenza ifanelekele izinhlelo zokusebenza zasendlini nezangaphandle. Uma ichayeke elangeni, imikhiqizo ye-PMMA ayiphuzi noma yonakaliswe ngokuhamba kwesikhathi, iqinisekisa ukuthi ukubukeka kwayo kuhlala kungashintshile futhi ivikela ubude bayo.

Le khwalithi izuza izimpawu zangaphandle, ukucwebezela kwezakhiwo, namakhava okukhanya ezimoto.

●Ukuguquguquka ku-Design

Ukubumba umjovo we-PMMA kunikeza ukuguquguquka okuphawulekayo komklamo, okuvumela abakhi ukuthi bakhe izimo eziyinkimbinkimbi neziyinkimbinkimbi kalula.

Abaklami bangakwazi ukusunduza imingcele yobuciko, bakhe imikhiqizo yepulasitiki emisha ehlangabezana nezidingo ezithile.

Lokhu kuguquguquka kwenza i-PMMA isetshenziswe ezintweni eziningi, kusukela ezintweni zasekhaya ezilula kuye kumadivayisi ezokwelapha asezingeni eliphezulu, okuvula umhlaba wamathuba ezimboni ezihlukahlukene.

Izicelo ze-PMMA Injection Molding

●Ama-Transparent and Colorеd Shets

Amashidi e-PMMA afunwa kakhulu kuzinhlelo zokusebenza ezidinga obala kanye nokumelana nesimo sezulu. Izimboni ezifana nesakhiwo sezakhiwo nokwakha zisebenzisa amashidi e-PMMA ekukhanyeni kwesibhakabhaka nokucwebezela kwezakhiwo, okuvumela ukukhanya kwemvelo ukuthi kukhanyise ingaphakathi kuyilapho kuqinisekisa ukuqina nokuvikelwa kwe-UV.

Ukwengeza, amashidi e-PMMA asetshenziswa kuzimpawu ukuze enze izibonisi ezibamba amehlo ngokucacile okungenakuqhathaniswa.

Ngaphezu kwalokho, amashidi e-PMMA atholakala ngemibala ehlukahlukene, enikeza abaklami amandla okufaka phakathi i-aеsthеtics nesikhalo esibonakalayo kumaphrojekthi wabo.

●Imboni Yezimoto

Umkhakha wezimoto uncike kakhulu ekubunjweni komjovo we-PMMA ukukhiqiza uhla lwezingxenye ezinikeza kokubili ukuphepha nesitayela. Izakhiwo ezivelele ze-PMMA ziyenza ilungele ukukhiqiza ama-lenses e-hеadlamp, iqinisekise ukukhanya okukhanyayo nokucacile ukuze kube nokubonakala komgwaqo okuthuthukisiwe.

Ngokufanayo, amalambu omsila azuza ekukhanyeni kwe-PMMA, okunikela ku-aеsthеtics ye-vehicle iyonke. Ukwengeza, i-PMMA isetshenziselwa amaphaneli wezinsimbi, enikeza isiphetho esingasindi futhi esibukekayo esikhangayo ezingxenyeni zangaphakathi zemoto.

●Amadivayisi Ezokwelapha

I-PMMA idlala indima ebalulekile emkhakheni wezokwelapha, lapho ukunemba nokuvumelana kwezinto eziphilayo kubaluleke kakhulu. Amashubhu angena emthanjeni, isibonelo, ahlomula ekukhanyeni kwe-PMMA, okuvumela ochwepheshe bezokwelapha ukuthi baqaphe ukugeleza koketshezi ngendlela efanele.

Ama-cuvettes e-PMMA asetshenziselwa ukuhlola igazi elabhorethri, enikeza umbono ocacile wesampula wokuhlaziya okunembile. Ngaphezu kwalokho, izinto ezisetshenziswayo zamazinyo ze-PMMA, njengamazinyo neziqondiso ezicacile, zinikeza iziguli izixazululo ezintofontofo nezikhangayo ngokubukeka kwezidingo zazo zempilo yomlomo.

• Ama-electronics namaphaneli wokubonisa

Imboni yama-elekthronikhi incike ekucaciseni okukhethekile kwe-PMMA ekukhiqizeni amaphaneli wokubonisa ama-smartphone, amaphilisi, neziqaphi zamakhompuyutha. Ukucaca kwempahla kuqinisekisa izithombe ezicacile nezicacile, kuthuthukisa ulwazi lomsebenzisi.

Amalensi e-PMMA aphinde asetshenziswe kumakhamera nakumadivaysi okubona, ukuqinisekisa ukwethembeka kwezithombe ngokunciphisa ukuhlanekezela kokubona.

●Izimpahla Zasekhaya kanye Nezabathengi

Ukukhanya kwe-PMMA, ukuqina, nokuguquguquka kuyenza ibe ukukhetha okudumile ezintweni zasendlini ezahlukahlukene nezimpahla zabathengi.

Ikhishi, njengeziqukathi zokudla ezisobala, lizuza ekucaciseni kwe-PMMA, okuvumela abasebenzisi ukuthi babone okuqukethwe kalula. Ukwengeza, i-PMMA isetshenziselwa ukukhiqiza iziqukathi zesitoreji, ihlinzeka ngesixazululo esiqinile nesihlala isikhathi eside sokuhlela izinto zasendlini.

Ngaphezu kwalokho, isicelo esibonakalayo se-PMMA sikwenza kube yimpahla ekhethwayo yemikhiqizo yokuhlobisa, yengeze ukuthinta okuhle ezintweni zasendlini ezahlukahlukene.