A halin yanzu, yawancin kamfanonin marufi a ƙasata suna amfani da hanyoyi guda biyu don samar da akwatunan launi: (1) da farko buga takardar saman mai launi, sannan a rufe fim ɗin ko gilashi, sannan a ɗora manne da hannu ko kuma a yi masa laminate da aka yi da corrugated ta atomatik; (2) Ana buga hotuna da rubuce-rubucen launi a kan fim ɗin filastik, sannan a rufe su a kan kwali, sannan a manna su a yi su.akwatin cakulan na masoya
Ko da wane tsari ake amfani da shi don samar da akwatunan launi na akwatin launi, matsin lamba da ƙarfin matsi sun yi ƙasa da kwalayen ruwa na yau da kullun na kayan iri ɗaya (wanda aka samar ta layin kwali), kuma yana da wuya a tabbatar da inganci lokacin da abokan ciniki ke cikin gaggawa ko a cikin kwanakin ruwan sama. Masu kera kayayyaki masu matukar damuwa, to ta yaya za a magance shi?kek ɗin cakulan na akwati
Kowa ya san cewa kwalayen da layin kwali ke samarwa ana samar da su ne ta hanyar shafa manne, dumamawa don ɗaurewa nan take, da kuma busarwa; yayin da kwalin akwatin launi mai laminated ba a dumama shi ko busar da shi ba, kuma danshi a cikin manne yana shiga cikin takardar. Tare da shingen varnish a saman launi da fim ɗin filastik, danshi a cikin akwatin ba komai ba zai iya ɓacewa na dogon lokaci, kuma zai yi laushi da rage ƙarfinsa ta halitta. Saboda haka, muna neman mafita ga matsalar daga waɗannan abubuwan:akwatin cakulan don kyauta
⒈ haɗa takarda akwatunan cakulan masu tsada
Wasu kamfanoni suna da irin wannan rashin fahimta: gwargwadon nauyin takardar da ke ciki, yawan matsin lamba da ƙarfin matsi na kwalin zai ƙaru, amma ba haka lamarin yake ba. Domin haɓaka matsin lamba da ƙarfin matsi na akwatin launi na akwatin launi, dole ne a ƙara ƙarfin matsi na takardar asali. Muddin takardar saman ba ta nuna alamun matsewa ba bayan an manne ta, ya kamata a yi amfani da takarda mai ƙarancin nauyi gwargwadon iko; takardar tsakiya da takardar tayal sun fi kyau a yi amfani da ita. Takardar ɓawon itace ko takardar ɓawon itace mai ƙarfi da ƙarfin matsewa mai yawa. Kada a yi amfani da takarda mai matsakaicin ƙarfi ko ƙarfin gabaɗaya, domin galibi cakuda ce ta ɓawon itace da aka sake yin amfani da ita, wadda ke da saurin shan ruwa, ƙarfin matsewa mai ƙarancin zobe, da kuma tauri mai kyau amma ƙarancin tauri. A cewar gwajin, ƙimar shan ruwa na takarda mai matsakaicin ƙarfi ta corrugated ya fi na takarda mai matsewa da aka auna ta hanyar Kebo; ana iya ƙara nauyin takardar layi yadda ya kamata. Aiki ya tabbatar da cewa rage girman takardar ciki da kuma ƙara girman takardar corrugated da core paper yana da fa'idodi masu yawa dangane da inganci da farashi.akwatin kyauta na cakulan.akwatin girman sarki na preroll
⒉Ingancin manneakwatunan kyauta na cakulan
Yawancin kayan da ake samarwa a kwali yanzu suna amfani da manne na masara da aka yi da hannu ko wanda aka saya. Manna masara mai inganci ba wai kawai yana da ƙarfin haɗuwa mai kyau ba, har ma yana iya ƙara matsin lamba da tauri na kwali, kuma jikin akwatin ba shi da sauƙin lalacewa. Ingancin manne na masara yana da alaƙa da tsarin samarwa, muhalli, ingancin kayan danye da na taimako, da lokacin haɗawa. Bukatun ingancin sitacin masara, ƙarancin raga 98-100, abun ciki na toka bai wuce 0.1% ba; abun ciki na ruwa 14.0%; acidity 20CC/100g; sulfur dioxide 0.004%; ƙanshin yau da kullun; fari ko ɗan rawaya a launi.ƙaramin akwatin cakulan
Idan ingancin sitacin gelatinized bai cika wannan ƙa'ida ba, ana iya rage rabon ruwa yadda ya kamata dangane da yanayin. Yayin da zafin jiki ke ƙaruwa, ya kamata a rage rabon ruwa daidai gwargwado, ya kamata a ƙara borax da caustic soda kamar yadda ya dace, sannan a rage adadin hydrogen peroxide. Bai kamata a adana manne da aka dafa na dogon lokaci ba, musamman a lokacin rani, ya fi kyau a yi amfani da shi yayin da ake yin sa. Ƙara 3%-4% formaldehyde, 0.1% glycerin da 0.1% boric acid a cikin manne zai iya ƙara juriyar ruwa na takarda, haɓaka saurin haɗawa, da ƙarfafa taurin kwali.akwatin cakulan kyauta
Bugu da ƙari, ana iya amfani da manne mai sinadarai masu kyau ga muhalli, wato manne PVA, yayin laƙa a kan allon takarda. Halayensa su ne cewa kwalin da aka laƙa a kan laminate yana da faɗi, madaidaiciya, yana da kyau, kuma yana da ɗorewa ba tare da nakasa ba. Hanyar samarwa ita ce (a ɗauki 100kg na manne a matsayin misali): rabon abu: polyvinyl alcohol 13.7kg, polyvinyl acetate emulsion 2.74kg, oxalic acid 1.37kg, ruwa 82kg, rabon ruwa 1:6). Da farko, a dumama ruwan zuwa 90°C, a ƙara polyethylene glycol a juya daidai, a ci gaba da zafi har sai ruwan ya tafasa, a ajiye a ɗumi na tsawon awanni 3, sannan a ƙara oxalic acid a juya, a ƙarshe a ƙara polyvinyl acetate emulsion a juya daidai.
Adadin manne
Ko da kuwa an saka saman launi da hannu ne ko kuma ta atomatik, bai kamata adadin manne da aka yi amfani da shi ya yi yawa ba. A zahiri, wasu ma'aikata suna ƙara yawan manne da aka yi amfani da shi ta hanyar wucin gadi don guje wa lalata, wanda ba shi da kyau kuma dole ne a sarrafa shi sosai. Ya kamata adadin manne da aka yi amfani da shi ya zama 80-110g/m2. Duk da haka, ya danganta da girman corrugated corrugated, yana da kyau a fahimci adadin manne kuma a shafa masa kololuwar corrugated daidai gwargwado. Muddin babu degumming, ƙarancin adadin manne, mafi kyau.akwatin sigari na yau da kullun
⒋ Ingancin kwali mai gefe ɗayaisar da akwatin cakulan
Ingancin kwali mai gefe ɗaya ana tantance shi ta hanyar ingancin takardar tushe, nau'in kwali, zafin aiki na injin kwali, ingancin manne, saurin gudu na injin, da kuma matakin fasaha na mai aiki.
Lokacin Saƙo: Mayu-24-2023