A fagen babban marufi da bugu{0}}, samun da kiyaye yawan yawan launi babban wahala ne kuma alamar inganci. Ƙirƙirar tawada da zane-zanen silinda sune mahimman sassa na wannan fasaha, amma maganin bugu na rotogravure shine ainihin tauraro. Wannan muhimmin mataki kafin bugu shi ne abin da ke tabbatar da cewa tawada yana manne daidai, wanda ke nufin cewa kowane gudu zai kasance yana da launi iri ɗaya, masu haske masu sauƙi don yin hasashe da maimaitawa. Bugu da ƙari, shugabannin masana'antu suna fahimtar cewa zuba jarurruka a daidaitattun jiyya na silinda na rotogravure ba wani zaɓi bane amma dole ne don fa'ida mai fa'ida, kai tsaye yana shafar yadda mutane ke ganin alamar da rage sharar gida.
Yadda Makamashin Sama ke Shafar Tawada Adhesion
Babban ra'ayin bugu na rotogravure shine a motsa tawada daga ƙananan ƙwayoyin da aka sassaƙa a cikin silinda zuwa silinda, wanda yawanci abu ne mai sassauƙa kamar takarda, fim, ko foil. Girman launi, ko yadda wadataccen fim ɗin tawada da aka buga yake da yawa, ya dogara da yawa akan yadda tawada da ke fitowa daga cikin waɗannan ƙwayoyin cuta kuma ya manne da saman saman.
Kimiyyar Yadda Filayen Ruwan Ruwa suke
Ana ƙayyade ma'auni na ma'auni ta hanyar makamashin sararin samaniya, wanda aka auna a dynes/cm. Abubuwan da ke da ƙarancin kuzari, irin su polyethylene (PE) ko fina-finan polypropylene (PP), a zahiri hydrophobic ne da oleophobic, wanda ke nufin ba sa tsayawa kan tawada na yau da kullun. Idan ba a kula da saman yadda ya kamata ba, tawada zai tashi sama kuma ya samar da ɗigon ruwa, wanda zai iya haifar da ramuka, rashin daidaituwa, da yawan launi waɗanda ba daidai ba. A cikin pre{3} latsa, babban aikin jiyya na silinda na rotogravure shine canzawa da daidaita ƙarfin saman ƙasa zuwa matakin mafi girma fiye da tashin hankalin saman tawada. Wannan yana ba da tawada damar "jike" gaba ɗaya kuma ya samar da ci gaba, mai mai yawa.
Babban Hanyoyi Don Yin Maganin Sama Don Aikace-aikacen Rotogravure
Ana amfani da sanannun fasahohi da yawa{0} don kunna saman ƙasa. Zaɓin ya dogara da kayan, yadda sauri yake bugawa, da kuma yadda yake buƙatar aiki.
Matsayin Masana'antu don Jiyya na Cutar Corona
Hanyar da aka fi amfani da ita ita ce maganin korona don bugu na rotogravure, wanda ke aika da fitarwar wutar lantarki mai ƙarfi (corona) ta cikin na'ura jim kaɗan kafin ya isa sashin bugawa. Wannan ionises iskar, wanda ke haifar da ozone da plasma wanda ke yin oxidize saman abin da ke cikin abun da ke ciki, yana ba shi karin kuzari da kuma sauƙaƙe tawada don tsayawa. Yana aiki da kyau don samun kwanciyar hankali tawada akai-akai akan nau'ikan fina-finai da takardu na polyolefin, wanda kai tsaye yana haifar da ƙarancin launi.
Magungunan Sinadarai da Maganin Harshe
Ana iya amfani da maganin harshen wuta (tare da harshen wuta mai sarrafawa) ko gashin sinadari na sirara maimakon wasu hanyoyin don wasu ayyuka, kamar yin magani mai ƙarfi{0}don-maganin polymers ko pre{2}} bugu uku{3}}kwantena ta amfani da rotogravure. Waɗannan hanyoyin kuma suna haɓaka ƙarfin saman ƙasa kuma suna taimakawa abubuwa su manne wuri ɗaya, wanda ke kiyaye yawan launi a cikin bugu na gravure kuma mai iya faɗi.
Kai tsaye yana rinjayar ingancin bugu da daidaiton girman launi
Ba shi yiwuwa a yi karin bayani game da yadda kulawar da ke da alaƙa ta kud da kud da ingancin bugun da aka gama. Gudanar da rashin daidaituwa yana haifar da kurakuran bugawa waɗanda ke nunawa azaman canje-canje a yawa.
Cire matsalolin bugu na gama-gari
Idan ka kula da saman daidai, matsaloli kamar kin tawada, mottling (kallon gajimare ko mara kyau), da mummunan tarko (manne fim ɗin rigar zuwa wani) sun kusan ƙare. Maganin saman yana tabbatar da cewa fim ɗin tawada da aka ajiye yana ci gaba da ci gaba da kauri ɗaya ta hanyar dakatar da waɗannan matsalolin. Wannan daidaito shine abin da ake nufi da samun daidaiton launi a cikin gidan yanar gizon kuma daga nadi zuwa mirgina, wanda ke da matukar mahimmanci ga manyan zane-zane na ƙarshe da launuka iri.
Yin samarwa da sauri da inganci
Na'urorin bugu na rotogravure na zamani suna aiki da sauri sosai. Masu bugawa na iya kiyaye waɗannan saurin ba tare da rasa inganci ba saboda zuwa ingantaccen fasaha na jiyya na saman. Yana rage lokacin latsawa don gyare-gyare, yana rage sharar tawada daga sake yin aiki, kuma yana sa masana'anta ya fi dacewa gabaɗaya, duk yayin tabbatar da yawan launi da ake buƙata don tasirin shiryayye.
Mafi kyawun ayyuka da haɗa fasaha don sakamako mafi kyau
Don samun cikakkiyar daidaituwa, kuna buƙatar fiye da kawai saka a cikin sashin magani; kana buƙatar tunani game da tsari.
Kula da inganci da Kulawa
Yana da matukar muhimmanci a sa ido kan matakan jiyya koyaushe. Don inganta yawan launi a cikin bugu, dyne alkalama ko ƙarin dyne na kan layi{1}} ana amfani da masu gwadawa don tabbatar da cewa makamashin saman yana cikin kewayon da ya dace, wanda yawanci 6-10 dynes/cm sama da tashin hankalin saman tawada. Haɗin tsarin sarrafa tsari na iya haɗa ikon jiyya zuwa saurin latsawa kuma yin gyare-gyare ta atomatik don kiyaye matakin jiyya ɗaya.
Haɗin kai tare da zane akan Silinda
Ingancin jiyya na saman rotogravure cylinders yana aiki mafi kyau lokacin da aka zana silinda a hankali. Wurin da aka sarrafa daidai yana barin tawada ya fita da kyau{1}} sel ba tare da wata matsala ba. Lokacin da aka yi amfani da su tare, suna yin mafi kyawun haɗin kai don bugawar gravure saboda suna ba ku daskararru mafi zurfi, mafi kyawun rabin sautin, da kuma mafi ƙarancin launi.
Tunani Na Karshe
Rotogravure bugu saman jiyya hanya ce ta asali wacce ke taimakawa cimma cikakkiyar bugu. Ita ce mafi mahimmancin hanyar haɗi tsakanin hadaddun Silinda da maƙalli mai wahala. Yana ba da damar samun daidaiton launi mai ƙima wanda alamu da abokan ciniki ke so. Yayin da kasuwancin marufi ke canzawa tare da sabbin kayan aiki da matsa lamba don zama abokantaka na muhalli, sabbin fasahohin jiyya na sama kamar plasma na yanayi za su ci gaba da kasancewa a kan gaba. Idan masu bugawa da masu canzawa suna son zama mafi kyau ta fuskar inganci, saurin gudu, da daidaiton launi, suna buƙatar sanya wannan muhimmin matakin latsawa{4} babban fifiko kuma su sanya shi mai inganci gwargwadon yiwuwa. Makomar babban bugu -karshen rotogravure ya dogara da sabbin dabaru da amfani da hankali na kimiyyar kunnawa saman.