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Ilimin samar da jakar filastik - bugu na launi

Gabaɗaya ana buga buhunan buhunan robobi a kan fina-finai na robobi daban-daban, sannan a haɗa su da shingen shinge da yadudduka na rufe zafi don samar da fina-finai masu haɗaka, waɗanda ake yankewa da jaka don samar da kayan marufi.Daga cikin su, bugu shine layin farko na samarwa kuma mafi mahimmancin tsari.Don auna darajar samfurin marufi, ingancin bugu shine na farko.Sabili da haka, fahimta da sarrafa tsarin bugawa da inganci ya zama mabuɗin don samar da marufi mai sassauƙa.
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Akwai matakai guda uku da aka saba amfani da su a cikin aikin samar da buhunan filastik:
1. Buga kabari
Buga fim ɗin filastik ya dogara ne akan tsarin bugu na gravure.Fim ɗin filastik da aka buga tare da gravure yana da fa'idodin ingancin bugu mai girma, kauri mai kauri, launi mai haske, ƙirar haske da haske, shimfidar hoto mai arziƙi, bambancin matsakaici, hoto mai haske da ƙarfi mai girma uku.Koyaya, bugu na gravure shima yana da gazawa waɗanda ba za a iya yin watsi da su ba, kamar hadadden tsarin yin farantin riga-kafi, tsadar tsada, doguwar zagayowar, da ƙazanta masu yawa.
2. Flexographic bugu
Flexographic bugu da farko yana amfani da tawada masu sassauƙa da bushewa da sauri.Kayan aiki yana da sauƙi, farashi yana da sauƙi, kayan aikin farantin yana da nauyi, nauyin bugawa yana da ƙananan, kayan farantin karfe da hasara na inji suna da ƙananan, sautin bugawa yana da ƙananan, kuma gudun yana da sauri.Farantin flexo yana da ɗan gajeren lokacin canjin farantin da ingantaccen aikin aiki.Farantin flexo yana da taushi, na roba, kuma yana da kyakkyawan aikin canja wurin tawada.Yana da kayan bugu da yawa, kuma farashin bugu na ƙananan kayan ya yi ƙasa da na bugu na gravure.Koyaya, flexographic bugu yana da buƙatu mafi girma akan kayan tawada da faranti, don haka ingancin bugu yana ɗan ƙasa da na tsarin gravure.
3. Buga allo
A lokacin bugu, ta hanyar extrusion na scraper, ana canza tawada zuwa ga substrate ta hanyar raga na sashin hoto don samar da hoto iri ɗaya kamar na asali.Kayayyakin bugu na allo suna da yadudduka na tawada masu kyau, launuka masu haske, cikakkun launuka, ƙarfin rufewa mai ƙarfi, zaɓi mai faɗi na nau'in tawada, daidaitawa mai ƙarfi, ƙarancin matsa lamba yayin bugu, aiki mai sauƙi, aiwatar da faranti mai sauƙi, da ƙaramin saka hannun jari na kayan aiki, don haka farashin yana da ƙasa. , Kyakkyawan fa'idodin tattalin arziƙi, kayan bugawa iri-iri.


Lokacin aikawa: Mayu-07-2022