Thermoplastic polyirethane (tpu) ndi zinthu zodziwika bwino chifukwa cha kukhazikika kwake komanso kulimba. Komabe, pofunsira zina, pakhoza kukhala kufunika kochepetsa kuuma kwa ma granules a TPU pomwe akuthandizira kukana.
Njira zothetsera kuchepetsa kuuma kwa tpu ndikusintha kwakukulu kotheratu.
1. Kuphatikizidwa ndi zida zofewa
Chimodzi mwazinthu zowongoka kwambiri kuti muchepetse kufooka kwa TPU ndikuphatikiza ndi zofalikira za thermoplastic. Zosankha wamba zimaphatikizapo Tpe (ma emoplastic elastomers) ndi ofatsa a TPU.
Kusankha mosamala kwa zinthu zofewa ndi kuchuluka komwe kumaphatikizidwa ndi tpu kungathandize kukwaniritsa kuchuluka kwa kuchepa kwa zovuta
2.A njira yatsopano: Kuphatikiza TPU tinthu tating'onoting'ono tofewa
Kuphatikiza granules ya 85a TPU yokhala ndi silika woyambitsidwa ndi zinthu zofewa si-tpv (mwamphamvu paliponse pormoplar), njirayi imagundananso pakati pa kulimba, popanda kunyalanyaza zinthu zina zomwe zikuchitika.
Njira yochepetsera kuuma kwa tinthu tambiri ta TPU, njira ndi kuwunika:
Kuwonjezera kwa 20% si-tpv kupita ku kuuma kwa 85A TPU kumachepetsa kuuma mpaka 79.2a
Zindikirani:Zomwe zili pamwambazi ndi deta yathu yoyeserera, ndipo sitingamveke ngati kudzipereka chifukwa cha izi, kasitomala ayenera kuyesedwa kutengera zomwe amachita.
Komabe, kuyesa kwa kuphatikiza kosiyanasiyana ndi kofala, cholinga chofuna kukwaniritsa kuphatikiza koyenera komanso kukana kwa Abrasion.
3. Kuphatikizira mafilimu osagwirizana ndi Abrasion
Kuti athetse kukana kwa Abrasion, akatswiri amati nawonso amaphatikiza mafayilo apadera ngati carborth, ulusi wakuda, silicone masterbatch, kapena silicon dioxide. Osewera awa amatha kugunda katundu wa TPU wowonongeka.
Komabe, kulingalira mosamala kumayenera kuperekedwa kwa kuchuluka ndikubalalitsa mafilimu awa, monga kuchuluka kwambiri kungakhudze kusintha kwa zinthuzo.
4. Mafupa ndi mafayilo ndi ofewetsa
Monga njira yochepetsera kuvuta kwa tpu, opanga TPU amatha kugwiritsa ntchito ma pulasitiki kapena ofewetsa. Ndikofunika kusankha puldive yoyenera yomwe ingachepetse kuvuta popanda kunyalanyaza Alsision kukana. Mafupa wamba omwe amagwiritsidwa ntchito ndi TPU imaphatikizapo diocyl phtate (dop) ndi dioctyl adipite (doa). Chisamaliro chimayenera kuthandizidwa kuti chitsimikiziro cha pulasitiki chomwe chimagwirizana ndi TPU ndipo sichimasokoneza zinthu zina monga kuchuluka kwa mphamvu kapena kugwiritsa ntchito mankhwala. Kuphatikiza apo, mlingo wa mafuta pulasitiki uyenera kulamulidwa mosamala kuti ukhalebe wolimba.
5. Kutalika kwabwino ndi magawo ogwiritsira ntchito
Kusintha magawo owonjezera ndi magawo akukonzanso ndi chidwi chokwaniritsa kuphatikiza kochepa kwa kuuma kochepa ndikukulitsa kuzunza Abrasion. Izi zimaphatikizapo magawo osintha ngati kutentha, kupanikizika, ndi mitengo yozizira pakumwa.
Kutentha kochepa komanso kuzizira mosamala kumatha kubweretsa TPU pokonzanso zofalitsa za Abrasion-mafilimu.
6. Maluso osintha pambuyo
Njira zogwiritsira ntchito pambuyo pokonza, kutambasula, kapena ngakhale chithandizo chapamwamba kungakuthandizeninso kukana popanda kusokoneza.
Makamaka, makamaka, amatha kusintha kapangidwe kake ka TPU, kupangitsa kuti ikhale yolimbana ndi kuvala.
Pomaliza, akwaniritsa bwino kwambiri kuchepetsedwa kwa TPU ndikusintha kukana kwa Abrasion ndi njira yosinthira. Opanga a TPU amatha kudula mankhwala mwakusankha, kuphatikiza, mafayilo osokoneza bongo a Abrasion, ma pulasitiki, ofewetsa, komanso kuwongolera magawo ochulukirapo kuti agwirizane ndi zofunikira zapadera zogwirizanitsa.
Izi ndizomwe mukufuna zopambana zomwe zimachepetsa TPU Particle Hardiness ndikusintha kukana kwa Abrasion!
Lumikizanani ndi SIYA, TI-TI-TPV ikuthandizani kuti muchepetse kufewa, kusinthasintha, kulimba, pamtunda wa mat, ndi zina zofunika kuti pakhale zinthu zochokera ku TPU!
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