Yadda za a ƙara matsa lamba da kuma matsa lamba na corrugated takarda launi kwalaye? 

A halin yanzu, yawancin kamfanonin tattara kaya a ƙasata suna amfani da matakai guda biyu don samar da akwatunan launi: (1) da farko buga takarda mai launi, sannan a rufe fim ko glazing, sa'an nan kuma da hannu don hawa manne ko injina ta atomatik ta lakafta gyare-gyaren corrugated; (2) Ana buga Hotunan launi da rubutun akan fim ɗin filastik, sannan a rufe su a kan kwali, sannan a manna su kafa.akwatin cakulan valentine

Ko da wane tsari da ake amfani da shi don samar da akwatunan launi na launi, ƙarfinsa mai ɗaukar nauyi da ƙarfin matsawa sun fi ƙasa da kwalayen alamar ruwa na kayan abu ɗaya (wanda layin kwali ke samarwa), kuma yana da wahala a tabbatar da ingancin lokacin da abokan ciniki ke cikin gaggawa. bukata ko a cikin kwanakin damina. Masu samar da matsala mai zurfi, to yaya za a magance shi?akwati cakulan cake

Kowa ya san cewa kwalayen da layin kwali ya kera ana yin su ne ta hanyar shafa manne, dumama don haɗawa da bushewa; yayin da kwali akwatin launi na laminated ba a bushewa da bushewa ba, kuma danshin da ke cikin manne yana shiga cikin takarda. Haɗe tare da shinge na varnish a kan launi mai launi da kuma fim din filastik, danshi a cikin akwati ba zai iya ba da shi na dogon lokaci ba, kuma zai yi laushi da sauƙi kuma ya rage ƙarfinsa. Don haka, muna neman hanyar magance matsalar daga abubuwa masu zuwa:akwatin cakulan don kyauta

⒈ tattara takarda akwatunan cakulan alatu

Wasu masana'antu suna da irin wannan rashin fahimta: mafi girman nauyin takarda a ciki, ƙarin ƙarfin ɗaukar hoto da ƙarfin ƙarfin kwali za a ƙara, amma wannan ba haka bane. Don haɓaka matsa lamba da ƙarfin matsa lamba na akwatin launi na akwatin launi, dole ne a haɓaka ƙarfin ɗaukar nauyi na ainihin takarda. Matukar takarda ba ta nuna alamun ƙwanƙwasa ba bayan an haɗa su, ya kamata a yi amfani da takarda mai ƙananan nauyi gwargwadon yiwuwa; mafi kyawun amfani da ainihin takarda da takarda tayal. Bambaro bambaro ko takarda ɓangaren litattafan almara na itace tare da kyakkyawan ƙarfi da ƙarfi mai ƙarfi na zobe. Kada a yi amfani da takarda mai matsakaicin ƙarfi ko gabaɗaya, domin galibi ana haɗawa da ɗanyen ɓangaren litattafan almara da ɓangaren litattafan almara da aka sake yin fa'ida, wanda ke da saurin shayar da ruwa, ƙarancin matsi na zobe, da tauri mai kyau amma ƙarancin ƙarfi. Dangane da gwajin, yawan shayar da ruwa na takarda mai matsakaicin ƙarfi ya kai 15% -30% sama da na takarda da aka auna ta hanyar Kebo; za a iya ƙara nauyin takarda mai rufi daidai. Ayyuka sun tabbatar da cewa rage nahawu na takarda na ciki da haɓaka nahawun takarda da takarda mai mahimmanci yana da fa'ida mafi fa'ida dangane da inganci da farashi.akwatin kyauta na cakulan

⒉Ingantacciyar mannecakulan kyauta kwalaye

Yawancin ƙera kwali yanzu suna amfani da mannen masara na gida ko sayan. Babban manne masara mai inganci ba kawai yana da ƙarfin haɗin gwiwa mai kyau ba, amma kuma yana iya haɓaka matsin lamba da taurin kwali, kuma jikin akwatin ba shi da sauƙin lalacewa. Ingantacciyar manne sitaci na masara yana da alaƙa da tsarin samarwa, yanayi, ingancin kayan danye da kayan taimako, da lokacin haɗuwa. Abubuwan da ake buƙata na sitaci na masara, 98-100 raga mai kyau, abun cikin ash bai wuce 0.1% ba; abun ciki na ruwa 14.0%; acidity 20/100 g; sulfur dioxide 0.004%; wari na al'ada; fari ko dan kadan mai launin rawaya.kananan akwatin cakulan

Idan ingancin sitaci na gelatinized bai dace da wannan ma'auni ba, ana iya rage rabon ruwa daidai gwargwadon halin da ake ciki. Yayin da zafin jiki ya tashi, ya kamata a rage rabon ruwa daidai, borax da caustic soda ya kamata a ƙara kamar yadda ya dace, kuma ya kamata a rage adadin hydrogen peroxide. Kada a adana manne da aka dafa na dogon lokaci, musamman a lokacin rani, yana da kyau a yi amfani da shi kamar yadda kuke yi. Ƙara 3% -4% formaldehyde, 0.1% glycerin da 0.1% boric acid zuwa manne zai iya ƙara juriya na ruwa na takarda, hanzarta haɗin haɗin gwiwa, da ƙarfafa kwali. taurinakwatin cakulan kyauta

Bugu da ƙari, ana iya amfani da manne sinadarai masu dacewa da muhalli, wato, PVA adhesive, yayin da ake lalata katakon takarda. Halayensa shine cewa kwali mai lanƙwasa lebur ne, madaidaiciya, ɗaure mai kyau, kuma mai dorewa ba tare da nakasawa ba. Hanyar samarwa ita ce (ɗaukar 100kg na manne a matsayin misali): rabo na abu: polyvinyl barasa 13.7kg, polyvinyl acetate emulsion 2.74kg, oxalic acid 1.37kg, ruwa 82kg, ruwa rabo 1: 6). Da farko sai azuba ruwan zuwa 90°C sai a zuba polyethylene glycol sannan a jujjuya daidai gwargwado, a ci gaba da zafi har sai ruwan ya dahu, sai a rika dumi na tsawon awa 3, sai a zuba oxalic acid sannan a jujjuya, a karshe a zuba polyvinyl acetate emulsion sannan a jujjuya sosai.

⒊ Yawan manne

Ko da kuwa ko na hannu ne ko hawan injina ta atomatik na saman launuka masu launi, adadin manne da ake amfani da shi bai kamata ya yi girma da yawa ba. A zahirin samarwa, wasu ma'aikata suna ƙara adadin manne da ake amfani da su ta hanyar wucin gadi don guje wa lalatawar, wanda bai dace ba kuma dole ne a sarrafa shi sosai. Adadin manne da aka yi amfani da shi ya zama 80-110g/m2. Duk da haka, dangane da girman ƙwanƙwasa, yana da kyau a fahimci adadin manne kuma a yi wa kololuwar kwalliya daidai. Matukar ba a sami raguwa ba, ƙananan adadin manne, mafi kyau.

⒋ Ingancin kwali mai gefe gudaakwatin cakulan bayarwa

An ƙaddara ingancin kwali mai gefe guda ta ingancin takarda mai tushe, nau'in gyare-gyare, yanayin zafin aiki na na'ura, ingancin manne, saurin gudu na na'ura, da matakin fasaha na fasaha. ma'aikaci.