Filastik extrusion, kuma aka sani da plasticating extrusion, ne mai ci gaba high girma masana'antu tsari a cikin abin da wani thermoplastic abu - a cikin wani nau'i na foda, pellets ko granulates - homogeneously narke sa'an nan kuma tilasta fita daga siffata mutu ta hanyar matsa lamba.A cikin dunƙule extrusion, matsa lamba yana fitowa daga jujjuyawar dunƙule a bangon ganga.Yayin da robobin ya narke ya ratsa cikin mutu, yana samun siffar ramin mutu kuma ya bar extruder.Ana kiran samfurin extrudate.
Wani extruder na yau da kullun ya ƙunshi yankuna huɗu:
Yankin ciyarwa
A cikin wannan yanki, zurfin jirgin yana dawwama.Nisa tsakanin babban diamita a saman jirgin da ƙananan diamita na dunƙule a kasan jirgin shine zurfin jirgin.
Wurin Canjawa ko Yankin Matsi
Zurfin jirgin ya fara raguwa a wannan yanki.A sakamakon haka, kayan thermoplastic yana matsawa kuma ya fara yin filastik.
Yanki mai hadewa
A cikin wannan yanki, zurfin jirgin yana sake tsayawa.Don tabbatar da an narkar da kayan gaba ɗaya kuma an gauraye su iri ɗaya, wani abu na musamman yana iya kasancewa a wurin.
Yankin Mita
Wannan yankin yana da ƙaramin zurfin jirgin sama fiye da na yankin da ake haɗawa amma ya kasance akai.Hakanan, matsa lamba yana tura narke ta hanyar siffa ta mutu a cikin wannan yanki.
A wani bayanin kuma, narkewar cakuda polymer yana haifar da manyan abubuwa guda uku:
Canja wurin zafi
Canja wurin zafi shine makamashin da aka canjawa wuri daga motar extruder zuwa mashigin extruder.Hakanan, narkewar polymer yana shafar bayanin martaba da lokacin zama.
Tashin hankali
Ana kawo wannan ta hanyar gogayya ta ciki na foda, bayanin martaba, saurin dunƙule, da ƙimar ciyarwa.
Ganga mai Extruder
Ana amfani da masu kula da zazzabi masu zaman kansu uku ko fiye don kula da zafin ganga.
Lokacin aikawa: Oktoba-08-2022
