Tātaritanga Whānui oPellet TPUTe Pakari: Ngā Tawhā, Ngā Whakamahinga me Ngā Whakatūpato mō te Whakamahinga
TPU (Polyurethane Thermoplastic), hei rauemi elastomer mahi-teitei, ko te pakeke o ōna pire te tawhā matua e whakatau ana i te mahi me ngā āhuatanga tono o te rauemi. He whānui rawa te whānuitanga pakeke o ngā pire TPU, mai i te tino ngohengohe 60A ki te tino mārō 70D, ā, he rerekē ngā tohu pakeke e rite ana ki ngā āhuatanga ā-tinana tino rerekē.Ka nui ake te mārō, ka kaha ake te pakari me te ātete ki te hurihanga o te rauemi, engari ka heke te ngāwari me te ngāwari.; engari, ko te TPU iti-mārō e aro nui ana ki te ngohengohe me te whakaora ngāwari.
Mō te ine i te pakeketanga, e whakamahia whānuitia ana ngā ine taumaha Shore i roto i te ahumahi mō te whakamātautau. I roto i ēnei, he pai ngā ine taumaha Shore A mō te awhe pakeke waenga me te iti o te 60A-95A, ko ngā ine taumaha Shore D ia e whakamahia ana mō ngā TPU pakeke teitei i runga ake i te 95A. Whaia rawatia ngā tikanga paerewa i te wā e ine ana: tuatahi, werohia ngā pire TPU ki roto i ngā wahi whakamātautau papatahi me te matotoru kāore i raro i te 6mm, me te whakarite kia kore he hapa o te mata pērā i ngā mirumiru me ngā karawarawa; kātahi ka waiho ngā wahi whakamātautau kia tū ki roto i te taiao me te pāmahana o te 23℃±2℃ me te haumākū whanaunga o te 50%±5% mō ngā hāora 24. Kia pumau ngā wahi whakamātautau, pēhia te kōhao o te ine taumaha poutū ki runga i te mata o te wahi whakamātautau, puritia mō te 3 hēkona, kātahi ka pānuihia te uara. Mō ia rōpū tauira, inehia kia 5 ngā tohu, ka tangohia te toharite hei whakaiti i ngā hapa.
Yantai Linghua New Material CO.,LTD.He raina hua katoa kei a ia e kapi ana i ngā hiahia o ngā momo pakeke rerekē. He mārama ngā wehenga mahi o ngā pire TPU o ngā momo pakeke i roto i ngā mara tono:
- I raro i te 60A (tino ngawari)Nā te tino pā me te ngāwari, he maha ngā wā ka whakamahia i roto i ngā hua he tino hiahiatia te ngawari pērā i ngā taonga tākaro pēpi, ngā pōro pupuri whakaiti pēhanga, me ngā arai o roto o te takahanga waewae;
- 60A-70A (ngohengohe): Mā te whakataurite i te ngāwari me te ātete ki te kakahu, he rauemi tino pai mō ngā kapu hū hākinakina, ngā mowhiti hiri ātete wai, ngā ngongo werohanga me ētahi atu hua;
- 70A-80A (ngāwari-waenga)Me te mahi taurite whānui, e whakamahia whānuitia ana i roto i ngā āhuatanga pēnei i ngā hipoki taura, ngā taupoki urungi waka, me ngā whitiki hauora;
- 80A-95A (waenga-pakeke ki te pakeke): Mā te whakataurite i te pakari me te pakari, he pai mō ngā wāhanga e hiahia ana ki tētahi kaha tautoko pēnei i ngā roera pūreretā, ngā pātene kaiwhakahaere kēmu, me ngā pouaka waea pūkoro;
- Neke atu i te 95A (tino mārō)Nā te kaha nui me te ātete ki te pānga, kua noho hei rauemi pai mō ngā taputapu ahumahi, ngā whakangungu mīhini, me ngā papa ru mō ngā taputapu taumaha.
Ina whakamahiaNgā pireti TPU,me mārama ngā kōrero e whai ake nei:
- Hototahi matūHe tairongo te TPU ki ngā whakarewa porotaka (pērā i te waipiro, te acetone) me ngā waikawa kaha me ngā kawakore. Mēnā ka pā atu ki ēnei ka pupuhi, ka ngatata rānei, nō reira me karo i roto i ēnei taiao;
- Whakahaere pāmahanaKaua te pāmahana mō te whakamahinga roa e neke ake i te 80℃. Ka tere ake te tawhito o te rauemi i te pāmahana teitei. Mena ka whakamahia i roto i ngā āhuatanga pāmahana teitei, me whakamahi ngā tāpiringa ātete wera;
- Ngā tikanga rokirokiHe tino waiora te rauemi, ā, me rongoa ki tētahi wāhi hiri, maroke, ā, he wāhi hauhautanga hoki, me te whakahaere i te haumākū ki te 40%-60%. I mua i te whakamahinga, me whakamaroke ki roto i te oumu 80℃ mō ngā hāora 4-6 hei ārai i ngā mirumiru i te wā e tukatukahia ana;
- Te urutau tukatukaMe taurite ngā TPU o ngā momo pakeke ki ngā tawhā tukanga motuhake. Hei tauira, me whakanui ake e te TPU tino mārō te pāmahana o te oko ki te 210-230℃ i te wā e werohia ana, ko te TPU ngohengohe ia me whakaiti i te pēhanga kia kore ai e mura.
Wā tuku: Akuhata-06-2025