Gabatarwa na Extru na roba
Kayan roba yana da kayan aiki na asali a cikin masana'antar roba kuma ɗayan nau'ikan kayan ƙirar da ke shafar ingancin samfurin. Yana taka muhimmiyar rawa a cikin samar da tayoyin da roba kayayyakin. Ci gaban kasashen waje na kasashen waje ya sami filastik mai shigowa, dunƙule na yau da kullun extuper, babban sanyi feedruper, pin ciyarwa feed Extruper, fili ciyarwa EXUSER da sauran matakai. Ana amfani da hanyoyin roba don latsa, tace da kuma inganta samfuran roba. Abubuwan da ke tattare da tsari: dunƙule da hannayen ciki an yi su da ƙarfe na ciki, wanda ke da juriya da juriya da juriya. Jima'i.
Dunƙule mai rushewa na roba mai fashewa ta hanyar roba mai fadi shine ɗayan mafi tsufa filayen fasahar ruwa, wanda za'a iya gano shi zuwa karni na 19. Masu tayar da hankali na roba suna da bambanci sosai da hanyoyin motsa jiki na thermoplastic. Da farko dai, ana aiwatar da ɓawan roba a ƙananan yanayin zafi (har zuwa 130 ° C). Na biyu, roba sprustion sau da yawa hade da strands (kuma kawai a lokuta na musamman, pellets), wanda ba sa sha canjin lokaci a cikin tsarin dunƙule na dunƙule ko babban digiri na thickring. Ba kamar thermoplastics ba, thermoplastics ana sarrafa su a zazzabi na 180 ^ -300 ° C (ko sama) a cikin murfin dunƙule, ana yawan ƙara ƙananan barbashi mai ƙarfi a cikin Expertsƙasassu. Lokacin da pellets ya ci gaba tare da dunƙule, an yi amfani da shi da kyau.
Yawancin lokaci ana rarrabe su na roba kamar ruwan zafi da injin-abinci mai sanyi. A cikin hanyoyin ciyar da zafi, an mai da ƙananan roba ta hanyar aikin injin din, kuma waɗannan tsayayyen tsayayyen suna yankan da kuma ci gaba da rushewa. Ciyar daga injin. A cikin sanyi ciyar da dunƙule Extru, dakin zazzabi zazzabi roba an ƙara zuwa Extruder. Hakanan ana rarrabe shi a cikin roba a gwargwadon abin da ake amfani dashi don shaye shaye ko a'a.
Nau'in roba na roba
Kayan roba yana da kayan aiki na asali a cikin masana'antar roba kuma ɗayan nau'ikan kayan ƙirar da ke shafar ingancin samfurin. Yana taka muhimmiyar rawa a cikin samar da tayoyin da roba kayayyakin. Ci gaban rukunin roba na ƙasashen waje yana da kayan aikin ƙasa, dunƙulen ruwan sanyi gama gari, ciyarwa mai sanyi cirewa, wulakanci featse waka da sauran matakai.
An kasu kashi biyu cikin ƙarfi zuwa: Maɗaukaki, nau'in dunƙule, nau'in abinci, nau'in ciyarwa, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN, nau'in PIN. Hadin gwiwar gaba mai zuwa: Multi-Runti-Tashar Flash
Lokaci: Jul-18-2022
