Isesengura ryimbitse ryaPellet ya TPUUbukomere: Ibipimo, Porogaramu n'Ingamba zo Kwitondera Gukoresha
TPU (Polurethane yo mu bwoko bwa Thermoplastic), nk'igikoresho cya elastomer gifite imikorere myiza, ubukana bw'udupira twacyo ni ikintu cy'ingenzi kigena imikorere y'ibikoresho n'uburyo bikoreshwa. Ingano y'ubukana bw'udupira twa TPU ni nini cyane, akenshi kuva kuri 60A yoroshye cyane kugeza kuri 70D ikomeye cyane, kandi ingano zitandukanye z'ubukana zijyanye n'imiterere y'umubiri itandukanye rwose.Uko ubukomere burushaho kwiyongera, ni ko ubushobozi bw'ibikoresho bwo gukomera no guhindagurika kwazo burushaho gukomera, ariko ubworoherane n'ubudahangarwa bizagabanuka uko bikwiye.; ahubwo, TPU ifite ubukana buke yibanda cyane ku koroha no kugarura ubukana.
Mu gupima ubukana, Shore durometers zikoreshwa cyane mu nganda mu gupima. Muri zo, Shore A durometers zikwiriye ubukana buri hagati n'ubuke bwa 60A-95A, mu gihe Shore D durometers zikoreshwa cyane kuri TPU ikomeye cyane iri hejuru ya 95A. Kurikiza neza inzira zisanzwe mu gupima: banza ushyiremo TPU pellets mu bice by'igerageza bifite ubugari butari munsi ya mm 6, urebe neza ko ubuso nta busembwa nk'uduheri n'iminkanyari; hanyuma ureke ibice by'igerageza bihagarare ahantu hari ubushyuhe bwa 23℃ ± 2℃ n'ubushuhe bwa 50% ± 5% mu gihe cy'amasaha 24. Nyuma y'uko ibice by'igerageza bihamye, kanda umurongo wa durometer uhagaze ku buso bw'igice cy'igerageza, ubigumishe amasegonda 3 hanyuma usome agaciro. Kuri buri tsinda ry'ibipimo, pima nibura amanota 5 hanyuma ufate impuzandengo kugira ngo ugabanye amakosa.
Yantai Linghua Ibikoresho bishya CO., LTD.ifite umurongo wuzuye w'ibicuruzwa ujyanye n'ibikenewe mu bukonje butandukanye. Udupira twa TPU tw'ubukonje butandukanye dufite ibyiciro bisobanutse by'imirimo mu nzego zikoreshwa:
- Munsi ya 60A (yoroshye cyane): Bitewe n'uburyo zikora neza kandi zigakomera, zikunze gukoreshwa mu bikoresho bikenewe cyane kugira ngo zoroshye nk'ibikinisho by'abana bato, imipira yo gufata imashini igabanya ubukana, n'imitako yo mu maso;
- 60A-70A (yoroshye): Guhuza ubworoherane n'ubudasaza, ni ibikoresho byiza cyane ku nkweto za siporo, impeta zo gufunga zidapfa amazi, imiyoboro yo gushongesha n'ibindi bicuruzwa;
- 70A-80A (yoroshye cyane): Ifite imikorere iboneye, ikoreshwa cyane mu bihe nk'ibipfundikizo by'insinga, ibipfundikizo by'amapine y'imodoka, n'ibitambaro by'ubuvuzi;
- 80A-95A (kuva hagati kugeza hagati): Guhuza ubukana n'ubukomere, birakwiriye ibice bisaba imbaraga runaka zo gushyigikira nka rollers za printer, buto zo kugenzura imikino, n'udusanduku twa terefone zigendanwa;
- Hejuru ya 95A (ikomeye cyane): Kubera imbaraga nyinshi no kudakora neza, yabaye ibikoresho bikunzwe cyane mu bikoresho by'inganda, ingabo za mekanike, n'ibikoresho biremereye byo gukubita.
Iyo ukoreshaUdupira twa TPU,Ingingo zikurikira zigomba kwitabwaho:
- Guhuza imiti n'ibinyabutabire: TPU ishobora kwanduzwa n'ibintu bishongesha umwuka (nk'inzoga, acetone) hamwe na aside ikomeye na alkali. Kubikoraho bishobora gutera kubyimba cyangwa kwangirika byoroshye, bityo rero bigomba kwirindwa ahantu nk'aho;
- Kugenzura ubushyuhe: Ubushyuhe bwo gukoreshwa igihe kirekire ntibugomba kurenga 80°C. Ubushyuhe bwinshi buzihutisha gusaza kw'ibikoresho. Iyo bikoreshejwe mu bihe by'ubushyuhe bwinshi, hagomba gukoreshwa inyongeramusaruro zirinda ubushyuhe;
- Uburyo bwo kubika: Ibikoresho bifite hygroscopic cyane kandi bigomba kubikwa ahantu hafunze, humutse kandi hafite umwuka uhagije, ubushyuhe buri kuri 40%-60%. Mbere yo kubikoresha, bigomba kubyutswa mu itanura rifite ubushyuhe bwa 80℃ mu gihe cy'amasaha 4-6 kugira ngo hirindwe ko ibibyimba bitangira gukorwa;
- Gutunganya ibintu: TPU y'ubukana butandukanye igomba guhuza n'ibipimo byihariye by'imikorere. Urugero, TPU ikomeye cyane igomba kongera ubushyuhe bw'umugozi kugeza kuri 210-230℃ mu gihe cyo gutera inshinge, mu gihe TPU yoroshye igomba kugabanya umuvuduko kugira ngo hirindwe urumuri.
Igihe cyo kohereza: Kanama-06-2025