Uhlalutyo oluBanzi lweTPU PelletUbunzima: IiParameters, izicelo kunye neziQinisekiso zokuSebenzisa
TPU (Thermoplastic Polyurethane), njengento ephezulu yokusebenza kwe-elastomer, ukuqina kweepellets zayo yiparameter engundoqo emisela ukusebenza kwezinto kunye neemeko zesicelo. Uluhlu lobunzima beepellets ze-TPU lubanzi kakhulu, ngokuqhelekileyo lusuka kwi-ultra-soft 60A ukuya kwi-ultra-hard 70D, kunye namabakala obunzima ahlukeneyo ahambelana neempawu zomzimba ezihluke ngokupheleleyo.Ukuphakama kobulukhuni, komelela ukuqina kunye nokumelana nokuguqulwa kwezinto, kodwa ukuguquguquka kunye nokuqina kuya kuncipha ngokufanelekileyo.; ngokuchaseneyo, ubunzima obuphantsi be-TPU bugxile ngakumbi ekuthambileyo kunye nokubuyiselwa kwe-elastic.
Ngokumalunga nomlinganiselo wobunzima, ii-durometers ze-Shore ziqhele ukusetyenziswa kwishishini lokuvavanya. Phakathi kwazo, ii-durometers ze-Shore A zifanelekile kuluhlu oluphakathi kunye nobunzima obuphantsi be-60A-95A, ngelixa ii-durometers ze-Shore D zisetyenziselwa ubukhulu becala i-TPU ngaphezu kwe-95A. Landela ngokungqongqo iinkqubo eziqhelekileyo xa ulinganisa: okokuqala, faka iipelisi ze-TPU kwiinqununu zokuvavanya ezicwecwe kunye nobukhulu obungekho ngaphantsi kwe-6mm, uqinisekise ukuba umphezulu awunaziphene ezifana namaqamu kunye nemikrwelo; emva koko vumela iziqwenga zovavanyo zime kwindawo enobushushu obuyi-23℃±2℃ kunye nokufuma okungama-50%±5% kwiiyure ezingama-24. Emva kokuba iziqwenga zovavanyo zizinzile, cinezela i-indenter ye-durometer ngokuthe nkqo kumphezulu wesiqwenga sovavanyo, yigcine imizuzwana emi-3 uze ufunde ixabiso. Kwiqela ngalinye leisampulu, yenza umlinganiselo ubuncinane amanqaku ama-5 kwaye uthathe i-avareji ukunciphisa iimpazamo.
Yantai Linghua New Material CO.,LTD.inomgca wemveliso opheleleyo ogubungela iimfuno zobunzima obahlukeneyo. Iipellets zeTPU zobunzima obahlukeneyo zinezahlulo ezicacileyo zomsebenzi kwimimandla yesicelo:
- Ngaphantsi kwe-60A (ultra-soft): Ngenxa yokubamba kwazo okugqwesileyo kunye nokunwebeka, zihlala zisetyenziswa kwiimveliso ezineemfuno eziphezulu kakhulu zokuthamba okunje ngeethoyi zabantwana, iibhola zokubambelela kwi-decompression grip, kunye ne-insole linings;
- 60A-70A (thambile): Ukulungelelanisa ukuguquguquka kunye nokumelana nokugqoka, yinto efanelekileyo yezinto eziphathekayo izicathulo zezemidlalo, imisesane yokutywina engenamanzi, iityhubhu zokungena kunye nezinye iimveliso;
- 70A-80A (phakathi-thambile): Ngokusebenza ngokulinganayo okubanzi, isetyenziswa ngokubanzi kwimiba efana neeshethi zentambo, amavili okuqhuba iimoto, kunye nokhenketho lwezonyango;
- 80A-95A (phakathi-nzima ukuya nzima): Ukulinganisa ukuqina kunye nokuqina, ifanelekile kumacandelo afuna amandla athile axhasayo njengama-roller eprinta, amaqhosha okulawula umdlalo, kunye neemeko zeselfowuni;
- Ngaphezulu kwe-95A (inzima kakhulu): Ngokuqina okuphezulu kunye nokuchasana kwempembelelo, iye yaba yinto ekhethwayo kwizixhobo zemizi-mveliso, izihlangu zoomatshini, kunye nezixhobo ezinzima zokothuka.
Xa usebenzisaIipilisi zeTPU,ezi ngongoma zilandelayo kufuneka ziqatshelwe:
- Ukuhambelana kweMichiza: I-TPU ivakalelwa kwi-solvents ye-polar (efana notywala, i-acetone) kunye ne-acids eqinile kunye ne-alkali. Ukuqhagamshelana nabo kunokubangela ukuvuvukala okanye ukuqhekeka ngokulula, ngoko kufuneka kugwenywe kwiindawo ezinjalo;
- Ulawulo lobushushu: Ubushushu bokusetyenziswa kwexesha elide akufunekanga budlule kwi-80℃. Ukushisa okuphezulu kuya kukhawulezisa ukuguga kwezinto. Ukuba isetyenziswe kwiimeko zokushisa okuphezulu, izongezo ezinokumelana nokushisa kufuneka zisetyenziswe;
- Iimeko zokugcina: Izinto eziphathekayo zi-hygroscopic kakhulu kwaye kufuneka zigcinwe kwindawo evaliweyo, eyomileyo kunye nendawo enomoya kunye nomswakama olawulwa kwi-40% -60%. Ngaphambi kokusetyenziswa, kufuneka yomiswe kwi-oven ye-80 ℃ kwiiyure ze-4-6 ukukhusela ama-bubbles ngexesha lokucubungula;
- Ukulungiswa kokulungiswa: I-TPU yobunzima obahlukeneyo kufuneka ihambelane neeparamitha zenkqubo ethile. Umzekelo, i-TPU enzima kakhulu ifuna ukonyusa ubushushu bomgqomo ukuya kwi-210-230 ℃ ngexesha lokubumba inaliti, ngelixa i-TPU ethambileyo ifuna ukunciphisa uxinzelelo ukunqanda ukukhanya.
Ixesha lokuposa: Aug-06-2025