Isesengura ryuzuye ryaTPU PelletGukomera: Ibipimo, Porogaramu no Kwirinda Gukoresha
TPU (Polyurethane ya Thermoplastique), nkibikorwa-byo hejuru bya elastomer, ubukana bwa pelleti nibintu byingenzi bigena imikorere yibikoresho hamwe nibisabwa. Urwego rukomeye rwa pellet ya TPU ni rugari cyane, mubisanzwe kuva kuri ultra-yoroshye 60A kugeza kuri ultra-hard 70D, kandi amanota atandukanye akomeye ahuye nibintu bitandukanye rwose.Iyo ubukana buri hejuru, niko gukomera no gukomera kwimiterere yibintu, ariko guhinduka no guhinduka bizagabanuka uko bikwiye.; muburyo bunyuranye, ubukana-buke TPU yibanda cyane kubworoshye no gukira byoroshye.
Kubijyanye no gupima ubukana, Shore durometero ikoreshwa muruganda mugupima. Muri byo, Shore A durometero ikwiranye nuburinganire buciriritse kandi buke buke bwa 60A-95A, mugihe durometero ya Shore D ikoreshwa cyane mubukomere bukabije TPU iri hejuru ya 95A. Kurikiza byimazeyo inzira zisanzwe mugihe upima: ubanza, shyiramo pellet ya TPU mubice bipimishije neza hamwe nubunini buri munsi ya 6mm, urebe ko ubuso butarangwamo inenge nkibibyimba no gushushanya; noneho reka ibice byipimisha bihagarare mubidukikije bifite ubushyuhe bwa 23 ℃ ± 2 ℃ hamwe nubushuhe bugereranije bwa 50% ± 5% mumasaha 24. Nyuma yuko ibice byikizamini bihamye, kanda indenter ya durometero ihagaritse hejuru yikizamini, komeza amasegonda 3 hanyuma usome agaciro. Kuri buri tsinda ryicyitegererezo, bapima byibuze amanota 5 hanyuma ufate ikigereranyo cyo kugabanya amakosa.
Yantai Linghua Ibikoresho bishya CO., LTD.ifite umurongo wuzuye wibicuruzwa bikenera ubukana butandukanye. TPU pellets yubukomezi butandukanye ifite igabana ryakazi mubikorwa byo gusaba:
- Munsi ya 60A (ultra-yoroshye): Bitewe no gukorakora kwiza kandi byoroshye, akenshi bikoreshwa mubicuruzwa bifite ibisabwa cyane cyane kugirango byorohewe nk'ibikinisho by'abana, imipira ifata imipira, hamwe na insole;
- 60A-70A (yoroshye).
- 70A-80A (hagati-yoroshye): Hamwe nimikorere yuzuye, ikoreshwa cyane mubintu nka kabili ya kabili, ibinyabiziga bitwara ibinyabiziga, hamwe nubuvuzi bwubuvuzi;
- 80A-95A (hagati-bigoye-bigoye): Kuringaniza gukomera no gukomera, birakwiriye kubice bisaba imbaraga zifasha nka printer ya printer, buto yo kugenzura imikino, na terefone igendanwa;
- Hejuru ya 95A (ultra-hard): Hamwe nimbaraga nyinshi hamwe no guhangana ningaruka, byahindutse ibikoresho byatoranijwe kubikoresho byinganda, ingabo zikoreshwa, hamwe nibikoresho biremereye.
Iyo ukoreshaTPU pellets,ingingo zikurikira zigomba kwitonderwa:
- Guhuza imiti: TPU yunvikana kumashanyarazi (nka alcool, acetone) na acide ikomeye na alkalis. Guhura nabo birashobora gutera kubyimba cyangwa guturika byoroshye, bityo rero bigomba kwirindwa mubihe nkibi;
- Kugenzura ubushyuhe: Igihe kirekire cyo gukoresha ubushyuhe ntigomba kurenga 80 ℃. Ubushyuhe bwo hejuru buzihutisha gusaza kwibikoresho. Niba ikoreshwa mubushyuhe bwo hejuru, inyongeramusaruro irwanya ubushyuhe igomba gukoreshwa;
- Imiterere yo kubika: Ibikoresho ni hygroscopique cyane kandi bigomba kubikwa ahantu bifunze, byumye kandi bihumeka hamwe nubushuhe bugenzurwa na 40% -60%. Mbere yo kuyikoresha, igomba gukama mu ziko 80 ℃ mu masaha 4-6 kugirango irinde ibibyimba mugihe cyo kuyitunganya;
- Gutunganya imihindagurikire y'ikirere: TPU yubukomezi butandukanye ikeneye guhuza ibipimo byihariye. Kurugero, ultra-hard TPU ikeneye kongera ubushyuhe bwa barrale ikagera kuri 210-230 ℃ mugihe cyo gutera inshinge, mugihe TPU yoroshye igomba kugabanya umuvuduko kugirango wirinde flash.
Igihe cyo kohereza: Kanama-06-2025