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Takeaway: siliki allo kamar yadda kera na kayan shafawa marufi kayan ne sosai na kowa hoto bugu tsari, ta hanyar hade da bugu tawada, allo bugu allo, allo bugu kayan aiki, sa tawada ta hanyar hoto a kan wani ɓangare na raga aka canjawa wuri zuwa substrates, a cikin tsari, canjin launi na bugu na allo zai yi tasiri da wasu dalilai, wannan takarda ta raba abubuwa da yawa da ke shafar canjin launi na bugu, abubuwan da ke ciki don abubuwan abokai:

SilikiSruwaPrinting

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Tsarin bugu na allo shine tawada ta wani ɓangare na allon allo bayan yayyo akan substrate, an toshe sauran allon allo, tawada ba zai iya wucewa ba.Buga tawada zuba a kan allon, a cikin wani waje karfi a karkashin mataki na tawada ba zai yayyo ta hanyar allon zuwa substrate, da kuma lokacin da scraper tare da wani matsa lamba da karkatar da Angle scraping tawada, shi za a canjawa wuri zuwa da wadannan substrate ta hanyar. allon don cimma kwafin hoto.

01 TawadaMixing

Tsammanin cewa pigment a cikin tawada an yi amfani da shi yadda ya kamata, to, dalilin da ya saba da canjin launi shine ƙari na sauran ƙarfi.A cikin taron bita da aka sarrafa da kyau, tawada ya kamata ya kasance ga manema labarai lokacin da aka shirya, wato, kada a haɗa tawada.A cikin kamfanoni da yawa, ba a kunna tawada don buga jarida, amma ana barin shi ga mawallafin, wanda ya ƙara ya haɗa tawada yadda ya ga dama.Ta wannan hanyar, ma'aunin pigment a cikin tawada ya karye.Don tawada na yau da kullun na tushen ruwa ko tawada UV, ruwan da ke cikin tawada daidai da sauran ƙarfi a cikin tawada mai ƙarfi, ƙara ruwa zai sa busassun fim ɗin tawada siriri, kuma yana shafar launin tawada, sannan a rage yawa. na launi.Ana iya gano musabbabin irin wadannan matsalolin.

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A cikin ma'ajin tawada, ma'aikatan da suka dace da tawada ba sa amfani da na'urori masu aunawa, kawai suna dogara da nasu hukuncin don ƙara yawan adadin kuzari, ko a farkon haɗawar bai dace ba, ko a cikin buga adadin hadawar tawada, don haka. cewa gauraye tawada zai samar da launuka daban-daban.Lokacin da aka sake buga yanki mai rai daga baya, lamarin ya yi muni, kuma ba zai yuwu a sake haifar da launi ba sai dai in an rubuta isassun ma'aunin tawada.

02 Zaɓin allo

Diamita na raga na waya da hanyar saƙa, wato fili ko twill, kaurin fim ɗin buga tawada yana da tasiri sosai.Masu samar da allo za su samar da cikakken allon bayanin fasaha, ɗayan mahimman ƙarar tawada mai mahimmanci, yana wakiltar adadin tawada ta hanyar raga a ƙarƙashin wasu sharuɗɗan bugu, gabaɗaya ana bayyana ta CM3/m2.Misali, allon raga 150/cm tare da diamita na raga na 31μm zai wuce ta 11cm3/m2 na tawada.Diamita na allo na 34μm, allon raga 150, kowane murabba'in mita zai wuce ta 6cm3 na tawada, daidai da 11 da 6μm kauri mai kauri tawada.Ana iya ganin cewa 150 raga wannan wakilci mai sauƙi, zai sa ku sami kauri mai launi daban-daban, sakamakon zai haifar da babban bambanci a launi.

Tare da haɓaka fasahar saƙa ta allo, don samun takamaiman adadin allon twill maimakon a sarari, ko da yake yana yiwuwa a wasu lokuta, amma yiwuwar yana da ƙananan.Wani lokaci masu samar da allo suna adana wani tsohon allo na twill, gabaɗaya magana, ƙarar tawada na waɗannan allon yana da 10% canji.Idan ka yi amfani da bugu na twill sakar allo na kyakkyawan matakin hoto, al'amarin karyewar layi ya fi yin amfani da allon fili.

03 AllonViri naTtashin hankali

Ƙananan tashin hankali na allon zai haifar da jinkirin rabuwa da allon daga saman da aka buga, wanda zai shafi tawada da ke kan allon, da kuma tasirin launi mara kyau, ta yadda launi ya bayyana yana canzawa.Don magance wannan matsala, ya zama dole don ƙara nisa na allo, wato, ƙara nisa tsakanin farantin da ke kwance da kayan bugawa.Ƙara nisa mai nisa yana nufin ƙara matsa lamba na scraper, wanda zai shafi adadin tawada ta hanyar allon, yana haifar da ƙarin canje-canje a launi.

04 SaitinSabin banza

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Mafi laushin abin da aka yi amfani da shi, yawancin tawada zai wuce ta cikin allon.Mafi girman matsa lamba akan scraper, a cikin bugu, suturar ƙwanƙwasa za ta kasance da sauri, wanda zai canza juzu'i da bugu na lamba, wanda kuma zai canza adadin tawada ta hanyar allo, yana haifar da canjin launi.Canja kusurwar tawada mai gogewa kuma zai shafi adadin manne tawada.Idan scraper ya yi sauri da sauri, wannan zai rage kaurin layin tawada da aka makala.

05 Back kuInk KnifaSetting

Aikin wukar tawada shine sanya ramin allo ya cika da tsayayyen adadin tawada.Daidaita matsa lamba, kusurwa da kaifin wukar tawada zai sa ramin ramin ya yi yawa ko tawada kaɗan.Matsi na wuka na baya ya yi girma, zai tilasta tawada ta cikin raga, yana haifar da abin da aka makala tawada da yawa.Matsin wuka da aka sanya bai isa ba, zai haifar da tawadar da aka cika daki-daki kawai, wanda zai haifar da rashin isasshen abin da aka makala tawada.Gudun gudu na wukar tawada shima yana da mahimmanci.Idan yana gudana a hankali, tawada zai cika.Idan aka yi sauri da sauri, zai haifar da rashi tawada mai tsanani, kwatankwacin tasirin canza saurin narkar.

06 Mashin  Setting

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Kula da tsari a hankali shine abu mafi mahimmanci.Daidaitaccen daidaituwa da daidaito na injin yana nufin tsayayyen launi da daidaito.Idan daidaitawar injin yana canzawa, to launi na iya fita daga sarrafawa.Wannan matsala takan faru ne a lokacin da na’urar buga waya ta canza canji, ko kuma daga baya sai na’urar buga ta canza saitin da ke kan latsa don dacewa da dabi’unsa, wanda hakan kan iya haifar da canjin launi.Sabbin matsi na allon multicolor suna kawar da wannan yiwuwar tare da sarrafa kwamfuta ta atomatik.Dole ne a yi waɗannan gyare-gyare masu daidaitawa ga manema labarai kuma ana kiyaye su a duk lokacin aikin bugawa.

07 Bugawa  Mkayan abinci

Wani al'amari da ba a kula da shi sau da yawa na masana'antar bugu na allo shine daidaiton kayan da za a buga.Takarda, kwali da robobi da ake amfani da su wajen bugu ana samar da su gabaɗaya a batches.Babban mai ba da kaya mai inganci zai iya ba da garantin ingantaccen santsi don duk nau'ikan kayan da aka kawo, amma wannan ba koyaushe bane, kuma duk wani ƙaramin canji a cikin tsari zai iya canza launi da ƙarshen saman waɗannan kayan.Da zarar wannan ya faru, launin rubutun yana bayyana yana canzawa, ko da yake babu abin da ya canza a lokacin aikin bugawa.

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Waɗannan su ne matsaloli masu amfani da masu bugawa ke fuskanta lokacin tallata hoto ɗaya a kan kayayyaki iri-iri, daga filastik filastik zuwa allon zane mai kyau.Wata matsalar da mu kan ci karo da ita ita ce, buga allon mu don cim ma hotunan bugu na kashe-kashe, idan ba mu kula da sarrafa sarrafawa ba, ba mu da dama.Kula da tsarin kulawa da hankali ya haɗa da ainihin ƙayyadaddun launi, ƙayyadaddun launi na layi tare da spectrophotometer, da ƙaddarar launi na farko tare da densitometer, don mu iya buga hotuna tare da tsayayye da launuka masu dacewa akan kayan da dama.

08 LdareSmu

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A ƙarƙashin maɓuɓɓugar haske daban-daban, launuka sun bambanta, kuma idon ɗan adam yana kula da waɗannan canje-canje.Ana iya rage wannan tasirin ta hanyar tabbatar da cewa launin da ake amfani da shi don haɗa tawada daidai launi ɗaya ne a duk lokacin aikin bugu.Wannan na iya zama bala'i idan kun canza masu kaya.Ƙididdigar launi da tsinkaye yanki ne mai matukar rikitarwa, kuma don mafi kyawun sarrafawa dole ne a sami rufaffiyar madauki na masana'anta tawada, rarrabawa, tabbatarwa da ingantaccen ƙuduri yayin aikin bugu.

09 Dry

Wani lokaci launi yana canzawa saboda rashin daidaituwa na na'urar bushewa.Buga takarda ko kwali, idan zafin zafin bushewa ya yi yawa, yanayin gaba ɗaya shine farin rawaya.Masana'antar gilashi da yumbu sun fi damuwa da canjin launi yayin bushewa ko yin burodi.Alamomin da aka yi amfani da su a nan suna canzawa daga buga zuwa sintered.Launi na waɗannan sinters yana shafar ba kawai ta yanayin zafi ba, har ma ta hanyar oxidation ko raguwar ingancin iska a wurin yin burodi.


Lokacin aikawa: Janairu-18-2022