Alamun fim ɗin zafisiraran fina-finai ne da aka buga akan fina-finai na filastik ko bututu ta amfani da tawada na musamman.Yayin aiwatar da lakabin, lokacin da mai zafi (kusan 70 ℃), lakabin raguwa da sauri yana raguwa tare da kwandon kwandon kwandon kuma yana manne da saman akwati.Lakabin fim ɗin zafi sun haɗa da tambarin ƙulla hannun riga da alamar kunsa.
Halayen ayyuka
Lakabin shrinkage sleeve lakabin silindrical ne da aka yi daga fim ɗin zafin zafi a matsayin substrate, wanda aka buga sannan aka yi.Yana da halayyar dacewa da amfani kuma yana da dacewa sosai don kwantena masu siffa na musamman.Rufe labulen hannun riga gabaɗaya na buƙatar kayan aikin lakabi na musamman don rufe tambarin da aka buga akan akwati.Da fari dai, na'urar yin lakabi tana buɗe alamar hannun rigar silinda da aka rufe, wanda wani lokaci na iya buƙatar hakowa;Na gaba, yanke lakabin zuwa girman da ya dace kuma sanya shi a kan akwati;Sa'an nan kuma yi amfani da tururi, infrared, ko tashoshi na iska mai zafi don maganin zafi don haɗa lakabin a saman akwati.
Saboda girman bayyanar fim din kanta, lakabin yana da launi mai haske da haske.Koyaya, saboda buƙatar raguwa yayin amfani, akwai koma baya na nakasar ƙirar ƙira, musamman ga samfuran da aka buga tare da alamar lambobi.Dole ne a aiwatar da ƙayyadaddun ƙira da sarrafa ingancin bugu, in ba haka ba nakasar ƙirar za ta haifar da ƙimar lambar lambar ba ta cancanta ba.Za'a iya yiwa lakabin kunsa mai ƙima ta amfani da kayan aikin alamar gargajiya, wanda ke buƙatar amfani da adhesives da yanayin zafi mafi girma yayin aiwatar da alamar.A lokacin aikin raguwa, an fi son manne mai zafi mai zafi saboda damuwa da ke haifar da manne a sassan da suka mamaye fim din.
Prepress samarwa
Saboda gaskiyar cewafim ɗin zafifim din thermoplastic ne wanda ke daidaitawa ta hanyar shimfidawa yayin samarwa da raguwa yayin amfani.Don haka, ko da wacce hanyar bugu ake amfani da ita don bugu, kafin zayyana ƙirar saman, ƙimar raguwar kayan a kwance da tsaye, da kurakurai da aka yarda da su a cikin kwatance daban-daban na zane-zane na ado da rubutu bayan raguwa, dole ne a yi la’akari da su. don tabbatar da ingantaccen maido da tsarin, rubutu, da lambar lambar sirri sun ruɗe akan akwati.
Hanyar tsari
Ko dafim ɗin zafiAna buga shi ta amfani da bugu na gravure ko flexographic bugu, bugu nasa galibi yana cikin hanyar bugu na ciki, kuma shugabanci dangane da tsarin akan farantin bugu yakamata ya zama tabbatacce.A zamanin yau, akwai kuma fina-finai masu raguwa don buga saman.A wannan yanayin, ya kamata a juyar da jagorar ƙirar akan farantin bugu.
Matsayin tsari
Saboda iyakoki na gyare-gyaren gyare-gyare, idan an buga fim ɗin raguwa ta amfani da gyare-gyaren gyare-gyare, matakin hoton bai kamata ya zama mai laushi ba, yayin amfani da bugu na gravure na iya buƙatar mafi girman matakin hoto.
Zane na girma
Matsakaicin raguwa na kayan fim ɗin zafi da ake amfani da shi don bugu shine 50% zuwa 52% da 60% zuwa 62%, kuma yana iya kaiwa 90% a ƙarƙashin yanayi na musamman.Ana buƙatar ƙimar raguwa mai tsayi ya zama 6% zuwa 8%.Duk da haka, yayin ƙaddamar da fim ɗin nan take, saboda iyakancewar kwantena, kwatancen kwance da na tsaye ba za a iya cika cikakkiyar kwangila ba.Don tabbatar da daidaitaccen maido da tsarin kwangila, rubutu, da lambar lamba, ya zama dole a yi la'akari da siffar akwati kuma a lissafta madaidaicin girman da ƙimar lalacewa bisa ga ainihin halin da ake ciki.Don alamun zafin zafi waɗanda ke buƙatar juyar da fina-finai masu kama da takarda zuwa sifofi cylindrical da rufe wuraren da suka mamaye tare da mannewa, yana da mahimmanci a lura cewa babu zane-zane ko rubutu da yakamata a ƙera a wuraren rufewa don guje wa yin tasiri akan ƙarfin haɗin gwiwa.
Sanya lambar sirri
Yawancin lokaci, jagorar jeri na lambar lambar ya kamata ya kasance daidai da jagorar bugu, in ba haka ba zai haifar da karkatar da layin lambar, wanda zai shafi sakamakon binciken kuma ya haifar da kuskure.Bugu da ƙari, zaɓin launi na samfuran alamar ya kamata ya mayar da hankali kan launuka masu tabo kamar yadda zai yiwu, kuma samar da nau'in farar fata ya zama dole, wanda za'a iya sanya shi cikakke ko maras kyau bisa ga ainihin halin da ake ciki.Launi na barcode ya kamata ya bi ka'idodin al'ada, wato, haɗin launi na sanduna da sarari ya kamata su bi ka'idar daidaita launi na barcode.Zaɓin kayan bugawa.Buga naalamun rage zafian yi nazari a taƙaice, kuma baya ga sarrafa tsarin bugawa da kyau, kayan suna taka muhimmiyar rawa wajen ingancinsa.Saboda haka, zabar kayan da suka dace yana da mahimmanci.Ƙayyade kauri na kayan fim dangane da filin aikace-aikacen, farashi, halaye na fim ɗin, aikin raguwa, tsarin bugu, da kuma buƙatun tsarin lakabi nalakabin rage zafi.Babban abin da ake buƙata don yinrage alamar fimshine kaurin fim din ya kasance tsakanin 30 microns da 70 microns, tare da 50 microns, 45 microns, da 40 microns da ake amfani dasu.Takamaiman kauri ya dogara da aikin lakabin kayan aikin alamar.Don kayan lakabin da aka zaɓa, ana buƙatar gabaɗaya cewa ƙimar raguwar kayan fim ɗin yana cikin kewayon aikace-aikacen, kuma ƙimar raguwar juzu'i (TD) ya fi tsayin tsayin (MD).Matsakaicin raguwar abubuwan da aka saba amfani dasu shine 50% zuwa 52% da 60% zuwa 62%, kuma yana iya kaiwa 90% a lokuta na musamman.Ana buƙatar ƙimar raguwa na tsayi ya kasance tsakanin 6% zuwa 8%.Bugu da ƙari, saboda girman hankali na fim ɗin ƙyama don zafi, yana da mahimmanci don kauce wa yanayin zafi a lokacin ajiya, bugu, da sufuri.
Abubuwan buguwa
Ba kamar alamun takarda ba, fim ɗin zafi yana amfani da kayan bugu marasa sha kamar suPVC, PP, PETG, OPS, OPP, da kuma daban-daban Multi-Layer co extruded fina-finai.Kaddarorin waɗannan kayan sun ƙayyade cewa tsarin buga su ya bambanta da alamun takarda.A cikin bugu na gargajiya na gargajiya, flexographic bugu (nau'i mai sassaucin ra'ayi), bugu na gravure, da bugu na siliki, hanyar bugu na tambarin fim ɗin zafi har yanzu shine babban bugu na gravure.Babban dalili kuwa shi ne, akwai injunan bugu na cikin gida da yawa, kuma gasa ta farashin bugu tana da zafi.Bugu da kari, kayayyakin bugu na gravure suna da sifofin tawada mai kauri, launuka masu haske, da yadudduka masu kyau, kuma ire-iren wadannan alamomin galibin faranti ne masu tsayi.Buga na gravure na iya jure wa miliyoyin zanen gado, Don haka ga sassan rayuwa tare da babban ƙarfin bugu, babu shakka shine mafi kyawun farashi.Koyaya, tare da haɓakar gasar kasuwa da haɓaka fasahohi kamar gyare-gyaren faranti, injina, da tawada, rabon bugu na flexographic yana ƙaruwa kowace shekara.Amma ta fuskar abokin ciniki, abin da ya fi muhimmanci shi ne cika ka'idojin inganci, rage farashi, da kuma zabar hanyar bugu da ta dace.
Sarrafa tashin hankali
Saboda gaskiyar cewa fina-finai na bakin ciki sun fi dacewa da sauye-sauyen tashin hankali a lokacin aikin bugawa, wanda ya haifar da rajista mara kyau, yana da muhimmanci a kula da hankali sosai ga sarrafa tashin hankali a lokacin aikin bugawa don kiyaye kwanciyar hankali da daidaitawa.Ya kamata a ƙayyade girman gyare-gyaren tashin hankali bisa ga nau'i da ƙarfin ƙarfin fim.Misali, idan karfin jujjuyawar fim din yana da rauni kuma yana iya haifar da nakasu, tashin hankali ya kamata ya zama kadan;Don fina-finai masu ƙarfi mai ƙarfi, ana iya ƙara tashin hankali daidai gwargwado.Dangane da wani nau'in fim din, fadi da kaurin fim din su ma muhimman abubuwan da ke tabbatar da girman tashin hankali.Fina-finai masu faɗi ya kamata su kasance da tashin hankali fiye da kunkuntar fina-finai, yayin da fina-finai masu kauri suna da tashin hankali fiye da ƙananan fina-finai.
Gravurefim ɗin zafigalibi yana amfani da injinan bugu nau'in nau'in gravure, waɗanda a yanzu an sanye su da tsarin sarrafawa ta atomatik da tsarin sarrafa launi ta atomatik.Dangane da kuskuren da aka auna tsakanin alamomin rajistar launi, ana daidaita tashin hankali a cikin yanki mai buɗewa, wurin bugu, da yanki na iska don tabbatar da kwanciyar hankali a cikin aikin bugu da daidaiton bugu na ƙarshe.Idan aka kwatanta da stacked da naúrar bugu na bugu na biyu, Ci gaba Markokin buga hoto sun fi dacewa don amfani da fina-finai masu laushi.Wannan shi ne saboda a lokacin aikin bugawa, kowane rukuni na launi yana raba ganga na yau da kullum, kuma kayan da ake amfani da su da kuma buguwa an haɗa su sosai, tare da ƙananan canje-canje a cikin tashin hankali, wanda ya haifar da ƙananan nakasar kayan aiki da kuma daidaitattun rajista.
Zaɓin tawada
Akwai manyan nau'ikan tawada guda huɗu da ake amfani dasurage buga fim: tawada na tushen ƙarfi, tawada na tushen ruwa, tawada na UV na cationic, da tawada na UV masu tsattsauran ra'ayi.Dangane da aikace-aikace, tawada masu ƙarfi sun mamaye fagen buga lakabin fim ɗin raguwa, sannan tawada na tushen ruwa da tawada na UV masu tsattsauran ra'ayi.Duk da haka, ba a amfani da tawada na UV na cationic a cikin filin fim na raguwa saboda tsadar su da wahalar bugawa.Ana amfani da tawada tushen ƙarfi musamman don fina-finai masu zafi a cikin bugu da flexographic.Fina-finai daban-daban yakamata su yi amfani da tawada na musamman kuma ba za a iya haɗa su ba.Kamfanonin tawada gabaɗaya suna ba da ma'aunin ƙarfi guda uku don tawada daidai da kayan daban-daban: bushewa da sauri, bushewa matsakaici, da jinkirin bushewa.Ma'aikatun bugu na iya zaɓar madaidaicin rabon ƙarfi dangane da ainihin yanayin samarwa kamar zafin bita da saurin bugu.Bugu da ƙari, ana iya amfani da tawada mai tushen ruwa da tawada UV.Duk da haka, ba tare da la'akari da nau'in tawada da aka yi amfani da shi ba, ya zama dole a yi la'akari da cewa alamun aiki na tawada dole ne su cika bukatun.Misali, adadin raguwar tawada dole ne ya dace da halayen raguwa na fim ɗin zafi, in ba haka ba yana iya haifar da rarrabuwar tawada ko ma deink.
Sarrafa zafin jiki na bushewa
Yana da matukar mahimmanci don sarrafa zafin jiki mai bushewa da kyau lokacin buga fina-finai masu rage zafi.Idan zafin jiki na bushewa ya yi yawa, kayan za su fuskanci raguwar thermal;Idan zafin jiki ya yi ƙasa sosai, tawada ba zai bushe sosai ba, yana haifar da mannewa da datti na ƙarshe a baya.Ana shigar da na'urorin bushewa masu launi a kan na'urorin bugu na gravure da flexographic don tabbatar da bushewar kowane launi na tawada.A lokaci guda, don hana nakasar kayan aiki a lokacin aikin bushewa, ana buƙatar saita tashoshi na iska mai sanyi tsakanin ɗakunan launi don sarrafa tasirin saura zafi.A zamanin yau, ana amfani da ganguna masu daskarewa a cikin injin bugu, wanda zai iya rage yawan zafin jiki da sauri yayin aikin bugu.Saboda dacewar bugu na gama-gari na fina-finai masu rugujewa, kamar ƙarfi da kwanciyar hankali na sinadarai, ƙarancin kuzari, ƙasa mai santsi ba tare da sha ba, da ƙarancin alaƙa da tawada.Don haka, ba tare da la’akari da hanyar bugu da aka yi amfani da shi ba, fim ɗin yana buƙatar sha magani fiɗar korona don inganta ƙarfin samansa da rashin ƙarfi, da haɓaka saurin mannewa na tawada akan saman kayan.
Lokacin aikawa: Janairu-25-2024
