Ukuhlaziya Okubanzi kweI-TPU PelletUkuqina: Amapharamitha, Izicelo kanye Nezinyathelo Zokusebenzisa
I-TPU (Thermoplastic Polyurethane), njengempahla ye-elastomer esebenza kahle kakhulu, ubulukhuni bamapellets ayo ipharamitha eyinhloko enquma ukusebenza kwento kanye nezimo zohlelo lokusebenza. Ibanga lokuqina lamapellets e-TPU libanzi ngokwedlulele, ngokuvamile lisukela ku-ultra-soft 60A kuya ku-ultra-hard 70D, futhi amabanga obulukhuni ahlukene ahambisana nezakhiwo zomzimba ezihluke ngokuphelele.Ukuphakama kokuqina, kuqina ukuqina nokuqina kokuqina kwempahla, kepha ukuguquguquka nokunwebeka kuzokwehla ngokufanele.; ngokuphambene nalokho, i-TPU enobulukhuni obuphansi igxile kakhulu ekuthambeni nasekululameni okunwebekayo.
Mayelana nokulinganisa ubulukhuni, ama-Shore durometers avame ukusetshenziswa embonini ukuhlola. Phakathi kwazo, ama-durometers ase-Shore A afanele ububanzi obuphakathi nobuphansi obungu-60A-95A, kuyilapho ama-durometers ase-Shore D asetshenziswa kakhulu ku-TPU yokuqina okuphezulu ngaphezu kuka-95A. Landela ngokuqinile izinqubo ezijwayelekile lapho ukala: okokuqala, faka ama-pellets e-TPU ezingxenyeni zokuhlola eziyisicaba ezinogqinsi olungekho ngaphansi kuka-6mm, uqinisekise ukuthi indawo engaphezulu ayinawo amaphutha njengamabhamuza nokuklwebheka; bese uvumela izingcezu zokuhlola zime endaweni enezinga lokushisa elingu-23℃±2℃ kanye nomswakama ohlobene ongu-50%±5% amahora angu-24. Ngemuva kokuthi izingcezu zokuhlola zizinzile, cindezela i-indenter ye-durometer ngokuqondile ebusweni besiqephu sokuhlola, sigcine imizuzwana engu-3 bese ufunda inani. Eqenjini ngalinye lamasampuli, linganisa okungenani amaphuzu angu-5 futhi uthathe isilinganiso ukuze unciphise amaphutha.
I-Yantai Linghua New Material CO., LTD.inomugqa womkhiqizo ophelele ohlanganisa izidingo zobulukhuni obuhlukene. Ama-pellets e-TPU obunzima obuhlukene anokwehlukana okucacile komsebenzi emikhakheni yezicelo:
- Ngaphansi kwe-60A (i-ultra-soft): Ngenxa yokuthinta kwazo okuhle kakhulu nokunwebeka, zivame ukusetshenziswa emikhiqizweni enezidingo eziphezulu kakhulu zokuthamba njengamathoyizi ezingane, amabhola okubamba ama-decompression, nama-insole linings;
- 60A-70A (ithambile): Ukulinganisa ukuguquguquka nokumelana nokugqoka, kuyimpahla efanelekile yezicathulo zezemidlalo, izindandatho zokuvala amanzi, amashubhu okufakwayo neminye imikhiqizo;
- I-70A-80A (imaphakathi-ethambile): Ngokusebenza okubanzi okunokulinganisela, isetshenziswa kakhulu ezimeni ezifana namashethi ekhebula, amakhava amasondo esiteringi emoto, kanye nama-tourniquets ezokwelapha;
- 80A-95A (phakathi-nzima ukuya koqinile): Ukulinganisa ukuqina nokuqina, ifanele izingxenye ezidinga amandla athile asekelayo njengamarola ephrinta, izinkinobho zesilawuli segeyimu, namakesi omakhalekhukhwini;
- Ngaphezulu kuka-95A (kakhulu kakhulu): Ngamandla aphezulu kanye nokumelana nomthelela, isiphenduke into ethandwayo yamagiya ezimboni, izihlangu zemishini, namaphedi wokushaqisa wemishini esindayo.
Uma usebenzisaama-TPU ama-pellets,amaphuzu alandelayo kufanele kuqashelwe:
- Ukuhambisana kwamakhemikhali: I-TPU izwela kumakhemikhali e-polar (njengotshwala, i-acetone) nama-acids aqinile nama-alkali. Ukuxhumana nabo kungabangela ukuvuvukala noma ukuqhekeka kalula, ngakho-ke kufanele kugwenywe ezindaweni ezinjalo;
- Ukulawula izinga lokushisa: Izinga lokushisa lokusebenzisa isikhathi eside akufanele lidlule ku-80℃. Izinga lokushisa eliphezulu lizosheshisa ukuguga kwezinto. Uma isetshenziswa ezimweni zokushisa okuphezulu, izithasiselo ezimelana nokushisa kufanele zisetshenziswe;
- Izimo zokugcina: Izinto ezisetshenziswayo zine-hygroscopic kakhulu futhi kufanele zigcinwe endaweni evalekile, eyomile futhi engenamoya enomswakama olawulwa ku-40% -60%. Ngaphambi kokusetshenziswa, kufanele yomiswe kuhhavini engu-80 ℃ amahora angu-4-6 ukuvimbela amabhamuza ngesikhathi sokucubungula;
- Icubungula ukuzivumelanisa: I-TPU yobulukhuni obuhlukene idinga ukufanisa nemingcele yenqubo ethile. Isibonelo, i-TPU eqinile idinga ukukhulisa izinga lokushisa lomgqomo libe ngu-210-230 ℃ ngesikhathi sokubunjwa komjovo, kuyilapho i-TPU ethambile idinga ukwehlisa ingcindezi ukuze igweme ukukhanya.
Isikhathi sokuthumela: Aug-06-2025