Cikakken Nazari naFarashin TPUTauri: Sigogi, Aikace-aikace da Kariya don Amfani
TPU (Thermoplastic Polyurethane), A matsayin babban kayan elastomer mai girma, taurin pellet ɗin sa shine ainihin siga wanda ke ƙayyade aikin kayan da yanayin aikace-aikacen. Kewayon taurin pellets na TPU yana da faɗi sosai, yawanci yana kamawa daga 60A mai laushi zuwa matsananci-hard 70D, kuma nau'ikan tauri daban-daban sun dace da mabanbantan kaddarorin jiki.Mafi girma da taurin, mafi ƙarfi da ƙarfi da juriya na lalata kayan, amma sassauci da elasticity zai ragu daidai da haka.; akasin haka, ƙananan taurin TPU ya fi mayar da hankali kan laushi da farfadowa na roba.
Dangane da auna taurin, Shore durometers ana yawan amfani da su a masana'antar don gwaji. Daga cikin su, Shore A durometers sun dace da matsakaicin matsakaici da ƙarancin ƙarfi na 60A-95A, yayin da Shore D durometers galibi ana amfani da su don babban taurin TPU sama da 95A. Bi daidaitattun hanyoyin da ake aunawa: na farko, allurar TPU pellets cikin lebur gwajin gwaji tare da kauri wanda bai gaza 6mm ba, tabbatar da cewa saman ba shi da lahani kamar kumfa da karce; sa'an nan bari gwajin guda tsaya a cikin wani yanayi tare da zazzabi na 23 ℃ ± 2 ℃ da dangi zafi na 50% ± 5% for 24 hours. Bayan guntun gwajin sun tsaya tsayin daka, danna maɓallin durometer a tsaye a saman yanki na gwajin, ajiye shi na daƙiƙa 3 sannan karanta ƙimar. Ga kowane rukuni na samfurori, auna aƙalla maki 5 kuma ɗauki matsakaicin don rage kurakurai.
Yantai Linghua New Material Co.,LTD.yana da cikakken layin samfur wanda ke rufe buƙatun taurin daban-daban. TPU pellets na taurin daban-daban suna da fayyace rarrabuwa na aiki a cikin filayen aikace-aikacen:
- A ƙasa 60A (mai laushi mai laushi): Saboda kyakkyawar taɓawa da haɓakawa, ana amfani da su sau da yawa a cikin samfurori tare da buƙatu masu mahimmanci don laushi irin su kayan wasan yara, ƙwanƙwasa ƙwanƙwasa, da insole linings;
- 60A-70A (laushi): Daidaita sassauci da juriya, abu ne mai mahimmanci don takalman takalma na wasanni, zoben rufewa na ruwa, bututun jiko da sauran samfurori;
- 70A-80A (matsakaici-laushi): Tare da daidaitaccen aiki mai mahimmanci, ana amfani dashi sosai a cikin al'amuran irin su kebul na USB, murfin motar mota, da yawon shakatawa na likita;
- 80A-95A (matsakaici-mai wuya zuwa wuya): Daidaita tsayin daka da taurin kai, ya dace da abubuwan da ke buƙatar wani ƙarfi mai goyan baya kamar su firintar na'ura, maɓallan sarrafa wasan, da shari'o'in wayar hannu;
- Sama da 95A ( matsananci-hard): Tare da ƙarfin ƙarfi da juriya mai tasiri, ya zama kayan da aka fi so don kayan aikin masana'antu, garkuwar injiniya, da kayan aiki masu nauyi.
Lokacin amfaniTPU pellets,ya kamata a lura da wadannan abubuwan:
- Daidaituwar sinadaran: TPU yana kula da abubuwan kaushi na polar (kamar barasa, acetone) da acid mai karfi da alkalis. Tuntuɓar su na iya haifar da kumburi ko fashe cikin sauƙi, don haka ya kamata a guji shi a irin waɗannan wurare;
- Kula da yanayin zafi: Zazzabi na tsawon lokacin amfani kada ya wuce 80 ℃. Babban zafin jiki zai hanzarta tsufa na kayan. Idan aka yi amfani da shi a cikin yanayin yanayin zafi mai zafi, ya kamata a yi amfani da ƙari masu jure zafi;
- Yanayin ajiya: Kayan abu yana da hygroscopic sosai kuma ya kamata a adana shi a cikin wani wuri mai rufewa, bushe da iska tare da kula da zafi a 40% -60%. Kafin amfani, ya kamata a bushe a cikin tanda 80 ℃ don 4-6 hours don hana kumfa yayin aiki;
- Sarrafa daidaitawa: TPU na taurin daban-daban yana buƙatar daidaita takamaiman sigogin tsari. Misali, TPU matsananci-hard yana buƙatar ƙara yawan zafin jiki na ganga zuwa 210-230 ℃ yayin gyaran allura, yayin da TPU mai laushi yana buƙatar rage matsa lamba don guje wa walƙiya.
Lokacin aikawa: Agusta-06-2025