labarai

Abstract: A cikin 'yan shekarun nan, an yi amfani da bugu na launi na pantong a cikin bugu na kayan marufi na takarda.Launin Pantong yana nufin wani launi daban-daban fiye da launuka huɗu da cakuda launuka huɗu, waɗanda aka buga musamman da takamaiman tawada.Ana amfani da tsarin buga launi na Pantong sau da yawa a cikin bugu na marufi don buga babban launi na bangon yanki.Wannan takarda a taƙaice ta bayyana ƙwarewar sarrafa launi na pantong, abubuwan da ke cikin abokai suna magana:

Buga launi na pantong

Buga launi na Pantong yana nufin tsarin bugawa inda ake amfani da wasu launuka ban da rawaya, magenta, cyan da tawada baƙar fata don kwafi launin rubutun asalin.

Kayayyakin marufi ko murfin littattafai da mujallu galibi suna kunshe da ginshiƙan launi iri ɗaya na launuka daban-daban ko tubalan launi na yau da kullun da kalmomi.Wadannan tubalan kalamai da kalmomi za a iya cika su da launuka na farko guda hudu bayan an raba su zuwa launuka, ko kuma za a iya raba launin pantong, sannan a iya buga tawada mai launin pantong guda daya a cikin toshe launi daya.A cikin cikakkiyar la'akari da inganta ingancin bugu da adana adadin abubuwan da suka wuce, ya kamata a zaɓi bugu na launi na pantong.

1, Pantong launi ganewa

A halin yanzu, yawancin marufi da bugu na cikin gida akan ma'aunin launi na antong da sarrafawa yana nufin galibi sun dogara da ƙwarewar ma'aikata don tura tawada mai launi na pantong.Rashin hasara na wannan shine cewa rabon tawada pantong bai isa daidai ba, lokacin turawa yana da tsayi, tasirin abubuwan da suka dace.Wasu manyan marufi masu ƙarfi da masana'antun bugu sun karɓi tsarin daidaita launi na pantong don sarrafa shi.

Tsarin daidaita launi na pantong ya ƙunshi kwamfuta, software mai daidaita launi, spectrophotometer, ma'auni na nazari, kayan aikin tawada daidai da kayan nunin tawada.Tare da wannan tsarin, ana tattara sigogin takarda da tawada waɗanda kamfanin ke yawan amfani da su a cikin ma'ajin bayanai, ana amfani da software mai dacewa da launi don dacewa da launin tabo da abokin ciniki ya bayar ta atomatik, kuma darajar CIELAB, ƙimar density da △E. wanda aka auna ta hanyar spectrophotometer, ta yadda za a iya gane sarrafa bayanai na tawada mai dacewa da launi na pantong.

2. Abubuwan da ke shafar launi na pantong

A cikin aiwatar da bugu, akwai abubuwa da yawa waɗanda ke haifar da ɓarnawar chromatic a samar da tawada mai launi na pantong.An tattauna waɗannan abubuwan a cikin sassan da ke gaba.

Tasirin takarda akan launi:

Tasirin takarda akan launi na tawada yana fitowa ne ta fuskoki uku

1) Farin Takarda: Takarda mai launin fari daban-daban (ko mai launi daban-daban) tana da tasiri daban-daban akan nunin launi na Layer tawada.Sabili da haka, a cikin ainihin samarwa ya kamata a yi ƙoƙari don zaɓar nau'in farar fata na bugu na takarda, don rage farin takarda a kan launi na bugawa.

2) sha iyawa: guda tawada buga a karkashin wannan yanayi zuwa daban-daban sha ikon takarda, za a yi daban-daban bugu luster.Takardar da ba ta shafa da takarda idan aka kwatanta, Layer tawada baƙar fata zai bayyana launin toka, maras kyau, kuma Layer tawada mai launi zai haifar da tuƙi, ta tawada cyan da tawada magenta suna gauraya daga aikin launi ya fi fitowa fili.

3) sheki da santsi: kyalwar bugu ya dogara da kyalli da santsin takarda.Fuskar takarda bugu wani yanki ne mai sheki, musamman takarda mai rufi.

Tasirin jiyya a kan launi:

Jiyya na saman kayan marufi an rufe shi da fim (fim ɗin haske, fim ɗin matt), glazing (man mai rufe haske, man matt, UV varnish) da sauransu.Buga bayan waɗannan jiyya na saman, za a sami nau'ikan canjin launi daban-daban da canjin launi.Rufe fim mai haske, rufe mai haske da man UV, yawan launi yana ƙaruwa;Lokacin da aka rufe fim din matte da murfin man fetur, an rage yawan launi.Canje-canjen sinadarai galibi sun fito ne daga manne mai rufi, mai tushe na UV, mai UV yana ƙunshe da nau'ikan kaushi iri-iri, wanda zai sa launin tawada na bugu ya canza.

Tasirin bambance-bambancen tsarin:

An yi shi da na'urar rarrabawa, nuna launin tawada shine tsarin "bushe", tsarin sa hannu, ba tare da ruwa ba kuma bugu shine tsarin "rigar bugu", wani ruwa mai ɗorewa yana da hannu a cikin aikin bugu, don haka a cikin tawada bugu na biya dole ne ya faru a ciki. wani emulsion na ruwa-a-man, tawada emulsion saboda canza bayan da rarraba jihar pigment barbashi a cikin tawada Layer, an daure don samar da kashe launi, buga kayayyakin ne kuma duhu launi, ba haske.

Bugu da ƙari, bambance-bambancen desalinator da busassun busassun bushewa yana da wani tasiri akan launi.Tsayuwar tawada da ake amfani da ita don haɗa launin pantong, kauri daga cikin tawada, daidaiton tawada mai auna, bambanci tsakanin tsohon da sabon wurin samar da tawada na injin bugu, saurin bugun bugu, da Yawan ruwa akan bugu shima zai yi tasiri daban-daban akan bambancin launi.

3, Pantong kula da launi

Don taƙaitawa, don tabbatar da cewa bambancin launi na nau'i ɗaya da nau'ikan samfurori daban-daban sun cika ka'idodin ƙasa da bukatun abokin ciniki, ana sarrafa launi na pantong kamar haka a cikin tsarin bugu:

Don yin katin launi na pantong

Na farko, bisa ga samfurin daidaitaccen launi da abokin ciniki ya bayar, ta yin amfani da tsarin daidaita launi na kwamfuta don ba da rabon tawada launi na pantong;Sa'an nan kuma daga samfurin tawada, tare da kayan aikin tawada iri ɗaya, kayan aikin nunin tawada "nuna" nau'i daban-daban na samfurin launi;Sa'an nan kuma bisa ga ma'auni na ƙasa (ko abokin ciniki) akan buƙatun bambancin launi na kewayon, tare da spectrophotometer don ƙayyade ma'auni, ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun launi, ƙayyadaddun launi na bugu (bambancin launi ya wuce daidaitattun bukatun da ake bukata don ƙara gyara).Rabin katin launi shine samfurin launi na yau da kullun, sauran rabin shine samfurin launi na saman da aka bi da shi, wannan shine don sauƙaƙe amfani da ingantaccen dubawa.

Tabbatar da launi

Yin la'akari da cewa takarda ita ce babban abin da ke shafar bambancin launi, don haka kafin kowane bugu don amfani da samfurin launi na ainihi na "nuna", katin launi na launi don yin micro-gyare-gyare, don kawar da tasirin takarda.

Ikon bugawa

Na'urar bugawa tana amfani da kati mai launi na bugu don sarrafa kauri na Layer tawada mai launi na pantong, kuma yana taimakawa wajen auna ƙimar ƙimar babban ƙima da ƙimar launi na BK tare da densitometer don shawo kan bambancin bushewa da rigar launi na tawada.

A takaice, a cikin bugu na marufi, akwai dalilai daban-daban na lalata launi na pantong.Wajibi ne a bincika dalilai daban-daban a cikin samarwa na ainihi, magance matsalolin, ƙoƙarin sarrafa ɓacin rai a cikin mafi ƙarancin kewayon, da kuma samar da samfuran bugu na bugu waɗanda ke gamsar da abokan ciniki.