labarai

Gabatarwa:

A cikin multicolor diyya bugu, bugu ingancin launi dogara a kan yawan iko dalilai, daya daga cikinsu shi ne bugu jerin launi.Sabili da haka, yana da mahimmanci don zaɓar daidaitattun launi don buga ingancin launi.Tsari mai ma'ana na jerin launi zai sa launin bugu ya fi kusa da rubutun asali.Wannan takarda a taƙaice ta bayyana tasirin jerin launi na bugu akan ingancin launi na abubuwan da aka buga. Don bayanin ku kawai:

Buga jerin launi

Jerin launi na bugawa yana nufin tsari na bugu na monochrome a cikin bugu da yawa.Misali, firinta mai launi hudu ko firinta mai launi biyu yana shafar jerin launi.Gabaɗaya magana, shine yin amfani da tsari na launi daban-daban a cikin bugu, sakamakon bugu daban-daban, wani lokacin buga tsarin launi yana ƙayyade kyawun bugu ko a'a.

01 Dangantakar da ke tsakanin bugu da jerin launi Ya kamata a yi la'akari da lambar launi na bugun bugu yayin zabar jerin launi na bugu.Kamata ya yi a yi amfani da na'urorin bugu daban-daban don wuce gona da iri tare da jerin launi daban-daban saboda yanayin aiki daban-daban.

Monochrome inji

Monochrome injin nasa ne na busassun buga latsa.Takardar da ke tsakanin launin bugu yana da sauƙi don tsawaitawa da gurɓatacce, don haka bugu na farko na farko akan daidaiton buƙatun buƙatun rawaya da baƙar fata, har sai takardar ta yi tsayin daka sannan ta buga launi da za a buga.Lokacin da launi na farko ya bushe, girman canja wurin tawada yana sama da 80%.Domin rage girman bambance-bambancen launi a cikin bugu, saita wani muhimmin launi a cikin hoton, yakamata a fara buga babban sautin.

Injin kala biyu

Launuka 1-2 da 3-4 na inji mai launi biyu na cikin busassun bugu na busassun bugu, yayin da launuka na biyu da na uku na cikin busassun bugu.Ana amfani da jerin launi masu zuwa gabaɗaya a cikin bugu: 1-2 launi bugu magenta - cyan ko cyan - magenta;3-4 launi bugu baki-rawaya ko rawaya-baki.

Multicolor inji

Multi-launi na'ura don rigar latsa bugu, wanda na bukatar kowane tawada dole ne daidai a cikin nan take overprinter, kuma a cikin overprinter tawada tashin hankali, ba zai iya zama wani tawada daga bugu surface "dauke".A zahirin bugu na farko, tawada mai launi na farko a cikin overprinting na launi na biyu, launi na uku da launi na huɗu, bi da bi, ɓangaren tawada yana manne da bargon, ta yadda bargo mai launi na huɗu a bayyane yake gabatar da nau'i huɗu- hoton launi.Tawada mai launi na 3 yana da ƙasa kaɗan, tawada mai launi na 4 kawai yana riƙe 100%.

02 Dangantaka tsakanin halayen tawada da jerin launi

Halayen tawada da jerin launi

A cikin zaɓin jerin launi (musamman bugu na multicolor), don la'akari da halaye na tawada: dankon tawada, kaurin fim ɗin tawada, nuna gaskiya, bushewa, da dai sauransu.

Dankowar jiki

Dankowar tawada yana taka rawar gani sosai wajen bugu.A cikin zaɓin ya kamata ya zama ƙasa da ruwa, danko na babban tawada a gaba.Idan babu la'akari da danko tawada zai faru "reverse overprint" sabon abu, zai haifar da canjin launi na tawada, yana haifar da hoto mara kyau, launin toka, rashin haske.

Gabaɗaya girman ɗanyen tawada mai launi huɗu baki ne> kore> magenta> rawaya, don haka injin ɗin gabaɗaya mai launi huɗu ya fi amfani da jerin launi na “black cyan – magenta – yellow” don ƙara saurin bugu.

Kaurin fim ɗin tawada

Kaurin fim ɗin tawada shine maɓallin mahimmanci don cimma mafi kyawun raguwar matakan launi na bugawa.Fim ɗin tawada yana da bakin ciki sosai, tawada ba zai iya rufe takarda daidai gwargwado ba, buguwar luster allo, launi yana son zama mara ƙarfi, m;Fim ɗin tawada yana da kauri sosai, mai sauƙin haifar da haɓakar raga, juzu'in mannawa, rage ɓacin rai.

Gabaɗaya, zaɓin ƙara kauri na fim ɗin tawada na jerin launi na bugu, wato "baƙar fata - kore - magenta - rawaya" don bugawa, tasirin bugawa ya fi kyau.

Bayyana gaskiya

Bayyanar tawada ya dogara da bambanci a cikin fihirisar refractive na pigments da masu ɗaure.Diaphaneity na tawada bayan overprinting launi tasiri ne mafi girma, kamar yadda bayan overprinting launi overprinting ba sauki don nuna daidai launi;Babban bayyananniyar tawada mai yawa - launi mai launi, fara buga hasken launi tawada ta cikin tawada daga baya, cimma sakamako mafi kyawun hadawar launi.Sabili da haka, rashin bayyanar tawada na farko, babban bayyanar tawada bayan bugu.

bushewa

Daga bushewar tawada don yin la'akari, don yin launi tawada mai haske, kyakkyawan tasirin bugu, na iya fara buguwar busassun busassun tawada da farko, bugun saurin bushewa tawada daga baya.

03 Dangantaka tsakanin kaddarorin takarda da jerin launi

Kaddarorin takarda kai tsaye suna shafar ingancin bugu.Kafin bugu, takarda ta fi la'akari da santsi, tauri, nakasawa, da dai sauransu.

laushi

Babban santsi na takarda, bugu yana cikin kusanci tare da bargo, ana iya buga shi tare da launi iri ɗaya, bayyananne hoton samfurin.Kuma ƙananan santsi na takarda, bugu saboda rashin daidaituwa na takarda, canja wurin tawada zai shafi, wanda ya haifar da kauri na fim ɗin buga tawada, filin filin hoton ɓangaren tawada ya ragu.Saboda haka, lokacin da santsin takarda ya yi ƙasa, pigment granule m tawada akan launi na farko.

Tsauri

Maƙarƙashiyar takarda da santsin takarda suna da alaƙa.Gaba ɗaya, santsi na takarda tare da karuwa a cikin kullun takarda da ingantawa.Babban ƙarfi, kyakkyawan santsi na takarda pre-bugu duhu launi, bayan bugu haske launi;A akasin wannan, na farko bugu haske launi (rawaya), bayan duhu launi, wannan shi ne yafi saboda rawaya tawada iya rufe takarda ulu da foda da sauran takarda lahani.

Nakasa

A lokacin aikin bugu, takarda za ta zama naƙasa kuma ta ƙara zuwa wani ɗan lokaci ta hanyar jujjuyawar abin nadi da tasirin ruwa mai gudana, wanda ke daure ya shafi daidaiton bugu.Don haka, yakamata a fara buga yankin ƙaramin sigar launi ko sigar duhu, sannan a buga yanki mafi girman sigar launi ko sigar launi mai haske.

04 Jerin launi na musamman na kwafi na musamman

A cikin bugu da kuma haifuwa na musamman na asali ayyuka, buga jerin launi suna taka rawa sosai, wanda ba zai iya sanya aikin bugawa kusa da ko mayar da asali ba, har ma ya sa ya sake haifar da fara'a na fasaha na asali.

Launi na asali

Rubutun asali shine tushen duka farantin karfe da bugu.Rubutun launi na gaba ɗaya yana da babban sautin da ƙaramar sautin.A cikin manyan launuka, akwai launuka masu sanyi (kore, shuɗi, shuɗi, da sauransu) da launuka masu dumi (rawaya, orange, ja, da sauransu).A cikin zaɓin tsarin launi, dole ne a bi ka'idar farko da sakandare.Sabili da haka, a cikin tsari na launi, tare da launuka masu dumi da aka fi bugawa baƙar fata, kore, ja, rawaya;Don sanyaya launi - tushen bugu ja, bayan buga kore.Idan babban sautin zanen wuri mai launi mai sanyi ne, yakamata a sanya jerin launi akan farantin kore daga baya ko bugu na ƙarshe;Kuma babban sautin hoton hoton don launi mai dumi, zuwa magenta, ya kamata a sanya shi a cikin magenta version daga baya ko kuma na ƙarshe na bugawa, don haka babban sautin zai iya kasancewa a kusa da hoton yana haskaka jigon.Har ila yau, babban sautin zanen gargajiya na kasar Sin zuwa baƙar fata, ya kamata a sanya baƙar fata a cikin bugu na ƙarshe ko na ƙarshe.