1. Maganin filastik
Saboda PET macromolecules sun ƙunshi ƙungiyoyin lipid kuma suna da wasu kaddarorin hydrophilic, hatsin yana kula da ruwa a babban zafin jiki.Lokacin da abun cikin ruwa ya wuce iyaka, nauyin kwayoyin PET yana raguwa a cikin sarrafawa, kuma samfurori sun zama launi da raguwa.
Saboda haka, kafin aiki, kayan dole ne a bushe, tare da bushewa zafin jiki na 150 ℃, fiye da 4 hours;kullum 170 ℃, 3-4 hours.Ana iya amfani da hanyar iska don gwada cikakken bushewa.Yawan kayan sake amfani da billet ɗin PET bai kamata ya wuce kashi 25% ba, kuma kayan da aka sake fa'ida yakamata a bushe su bushe sosai.
2. Zaɓin na'urar gyare-gyaren allura
Saboda PET yana da ɗan gajeren lokacin kwanciyar hankali bayan wurin narkewa da babban wurin narkewa, ya zama dole don zaɓar tsarin allura tare da ƙarin sassan sarrafa zafin jiki da ƙarancin juzu'in kai da haɓakar zafi yayin yin filastik, da ainihin nauyin samfurin (ciki har da ma'aunin nauyi). Abun shan ruwa) kada ya zama ƙasa da 2/3 na adadin allurar injin.
3. Mold da zubo ƙirar ƙofar
PET kwalban amfrayo, gabaɗaya kafa tare da zafi kwarara tashar mold, mold da allura gyare-gyaren inji samfuri tsakanin mafi kyau a sami wani zafi rufi farantin, kauri ne game da 12mm, kuma zafi rufi farantin dole ne iya jure high matsa lamba.Ƙarfafawa dole ne ya isa don guje wa zafi na gida ko rarrabuwa, amma zurfin tashar shayarwa gabaɗaya baya wuce 0.03mm, in ba haka ba yana da sauƙi don samar da gefen tashi.
4. Narke zafin jiki
Akwai ma'aunin hanyar iskar iska, 270-295 ℃ kewayon, ingantaccen sa GF-PET za'a iya saita shi zuwa 290-315 ℃, da sauransu.
5. Gudun allura
Gudun allurar gabaɗaya yakamata ya kasance cikin sauri don hana haɗuwa da wuri yayin allurar.Amma da sauri sosai, raguwar raguwa yana da yawa, sa kayan su zama masu rauni.Yawancin lokaci ana yin harbi a cikin daƙiƙa 4.
6. Matsi na baya
Ƙananan mafi kyau, don kauce wa lalacewa.Gabaɗaya baya wuce 100bar, yawanci ba a amfani dashi.
7. Lokacin zama
Kada ku yi amfani da lokacin riƙewa mai tsawo don hana raguwar nauyin kwayoyin halitta, kuma kuyi ƙoƙarin guje wa zafin jiki sama da 300 ℃.Idan kashewa bai wuce minti 15 ba, kawai yi maganin harbin iska;idan fiye da minti 15, to, tsaftace tare da danko PE, kuma sauke yawan zafin jiki na Silinda zuwa zafin jiki na PE, har sai an sake farawa.
8. Hattara
Abubuwan sake yin amfani da su ba zai iya zama babba ba, in ba haka ba, mai sauƙin samarwa a cikin kayan "gada" kuma yana shafar filastik;
Idan tsarin zafin jiki na mold ba shi da kyau, ko kuma kayan aikin zafin jiki bai dace ba, sauƙin samar da "fararen hazo" da opaque;da mold zafin jiki ne low kuma uniform, sauri sanyaya gudun, m crystallization, sa'an nan samfurin ne m.
Huangyan Leiao Molding Co., Ltd. is located in Huangyan District mold city, Taizhou, lardin Taizhou, wanda shi ne "Garin mahaifar kasar Sin mold".Kamfanin da aka yafi tsunduma a cikin allura mold masana'antu, yana da shekaru masu yawa na mold gwaninta, yafi masana'antu da kuma sarrafa kwalban amfrayo mold, PET kayayyaki mold, kwalban hula mold, mota ciki da kuma na waje ado mold… … A cikin allura bawul zafi mai gudu allura. mold tsarin yana da nasa musamman zane da fasaha fasaha, dangane da manufar "Mutunci management", tare da gida da kuma kasashen waje abokan ciniki don kafa wani dogon lokaci mai kyau dangantakar hadin gwiwa, na yi imani da cewa Leiao zai zama ku cancanci amincewa da hadin gwiwa. kamfani.
Lokacin aikawa: Nov-03-2022