Dalilin Bambancin Launi Na Tawada Kalar Spot A cikin Tsarin Buga

A cikin tsarin bugawa, akwai abubuwa da yawa waɗanda ke haifar da haɓakar tawada mai launin tabo, kuma an tattauna waɗannan abubuwan daban a ƙasa.

1 takarda akan tasirin launi

Tasirin takarda akan launin tawada yana fitowa ne ta fuskoki uku.

(1) Farin Takarda: Takarda mai nau'in fari daban-daban (ko wata kala) tana da tasiri daban-daban akan launin tawadan bugu. Ga irin nau’in takardan farar allo, farar ta bambanta, kuma bambancin launi na Layer ɗin buga tawada ya fi fitowa ne a cikin adadin baƙaƙen tawada a cikin tawada mai launi, musamman ga launuka waɗanda haskensu ya kai sama da 70, kuma tasirinsa a bayyane yake, wanda ke haifar da tawada launi. Rabo ya bambanta sosai. Sabili da haka, a cikin ainihin samar da takarda, ya kamata a buga takarda tare da fararen fata kamar yadda zai yiwu don rage tasirin farin takarda a kan launi na bugawa.

(2) Abun ciki: Lokacin da aka buga tawada iri ɗaya a ƙarƙashin yanayi iri ɗaya akan takarda mai ɗaukar hankali daban-daban, za a sami kyalkyalin bugu daban-daban. Tsarin takarda yana ƙayyade cewa akwai rashin daidaituwa da ɓarna da aka kafa ta filaye na shuka a saman takarda. Don samun daidaituwa mai kyau da santsi na takarda, yawanci ya zama dole don rufe saman takarda tare da suturar kauri daban-daban. Halin da kauri daga cikin rufi yana ƙayyade ƙimar tawada a saman takarda. Tare da iyakoki daban-daban na sha, wajibi ne don sanya launuka na bugu na tawada daban-daban. Idan aka kwatanta da takarda mai rufi, ba - takarda mai rufi, baƙar fata tawada za ta bayyana duhu, maras kyau, kuma launin tawada zai yi shuɗi, launi na cakuɗen tawada cyan da tawada magenta yana nuna mafi bayyane.

(3) sheki da santsi: Haskar kwafi ya dogara da kyalli da santsin takarda. Fuskar takardan bugu wani wuri ne mai ɗan ƙaramin haske, musamman mai rufi.

A cikin kwafin launi, kusan 4% na hasken yana nunawa lokacin da hasken ya faɗo saman takarda a kusurwar abin da ya faru na digiri 45. Wannan shine hasken da ke fitowa daga saman Layer na farko. Sauran hasken abin da ya faru ya ratsa ta cikin tawada, sai a zaba ta hanyar tawada, sannan sai a nuna ta cikin tawada, ya shiga cikin idon mutum, kuma idon mutum ya gane shi. Wannan shine launin da muke lura dashi. Idan mai sheki da santsi na takarda ya yi girma, hasken da ke haskakawa a saman Layer na farko yana da kyan gani kuma yana da wuya a shigar da idanun mutum. Launin da aka lura a wannan lokacin shine ainihin launi da Layer tawada ke nunawa. Idan fuskar takarda ta kasance mai laushi kuma mai sheki ya yi ƙasa, yanayin da aka watsar zai faru a saman Layer na farko. A wannan lokacin, launi da muke gani shine cakuda babban hasken launi da hasken da ke nunawa daga saman Layer na farko. Tun da akwai wani ɓangaren haske na farin ciki a ciki, an rage jikewar babban hasken launi. Sabili da haka, lokacin da mutane suka lura da samfurin da aka buga, launi ya zama mai sauƙi, kuma lokacin da aka auna girman da densitometer, ƙimar ƙima yana raguwa kuma haske yana ƙaruwa.

2 Tasirin jiyya a kan launi

Hanyoyin jiyya na saman kayan marufi sun haɗa da shafi (fim mai haske, fim ɗin matt), sutura (man mai haske, man matt, UV varnish) da sauransu. Bayan jiyya na saman samfuran da aka buga, za a sami nau'ikan launuka daban-daban na launuka da canje-canje masu yawa. Waɗannan sauye-sauye sun kasu kashi-kashi cikin sauye-sauyen jiki da canje-canjen sinadarai. Canjin jiki yana nunawa a cikin tunani na musamman da kuma watsar da tunani a saman samfurin, wanda ke da wani tasiri akan yawan launi. Lokacin rufe fim din mai haske, rufe man fetur mai haske da man UV, yawan launi yana ƙaruwa; lokacin rufe fim din matt, rufe man matte, yawan launi yana raguwa. Canjin sinadarai ya fi fitowa ne daga fim ɗin filastik, mai tushe na UV, da sauran abubuwan kaushi na halitta da ke ƙunshe a cikin man UV, wanda zai canza launin launi na tawada na bugawa.

3 Tasirin haske akan launi

Wakilin shayewa manna ne -kamar marar launi da bayyane, wanda galibi yana taka rawa na diluting launi a cikin buga launi. Adadin da aka ƙara haske ya bambanta, kuma tasiri akan hue shima ya bambanta, musamman launin shuɗi shine mafi bayyane.

A yayin da ake tsara tawada{0}tabo, ƙarfin daidaita ƙarfi da matsi da mitar tawada iri ɗaya da na'urar cire tawada -arami fiye da waɗanda ke kan injin bugawa. Babu buƙatar ƙara wuta lokacin bugawa, amma yi amfani da wuta kawai don ƙirƙirar katin nunin tawada iri ɗaya. A cikin yanayin yawan launi iri ɗaya, akwai bambancin launi tsakanin katin launi da samfurin da aka buga. Wannan shi ne saboda ƙari na wakili mai narkewa yana canza rarraba pigment a cikin tawada kuma yana sa tawada ya sha, ya ɓace, kuma ya haskaka haske. Sakamakon canji, akwai bambancin launi, wanda ya haifar da bambancin tsarin.

4 Tasirin bambancin busassun yawa

Don samfuran bugu waɗanda aka buga kwanan nan, tawada har yanzu jike ne kuma yana da bambanci mai yawa lokacin bushewa. Lamarin da cewa yawan launin ruwan jika ya fi busassun launi mai yawa ana kiransa busasshiyar koma baya. Wannan saboda Layer ɗin tawada da aka buga kawai yana da ƙayyadaddun ƙayyadaddun kayan haɓaka, don haka hangen nesa na saman yana mamaye tunani na musamman, wanda yayi kama da haske da sheki. Lokacin da Layer ɗin tawada ya kasance cikin busasshen yanayi, hasken saman yana mamaye tunani mai yaduwa, kuma launi yana da duhu da duhu fiye da lokacin da aka buga shi.

Tunda yawan busassun launin launi gabaɗaya ana aunawa bayan bugu na mintuna 30 zuwa 60 bayan bushewa, wannan yana haifar da wahala wajen aunawa da sarrafa yawan launin tabo.

Densitometer tare da na'urar polarizer na iya kawar da haske daga saman Layer ɗin tawada saboda tunani na musamman, kuma ma'aunin launi da aka auna yana kusa da busassun launin launi don kada jiƙan da bushewar tawada ya shafa. Don takarda mai rufi, bambancin ɗimbin yawa da aka auna shine 0.05 zuwa 0.15, kuma wadda ba{3}} takarda ba tana da ma'aunin ma'aunin 0.1 zuwa 0.2. Bambancin launi kuma ya bambanta ga launuka daban-daban, tare da mafi ƙarancin rawaya, mafi girman launi, da launin shuɗi da ja a tsakani. Sabili da haka, lokacin da aka auna tare da irin wannan densitometer, ƙimar da aka auna ya kamata ya zama mafi girma fiye da ƙimar ƙima na samfurin launi na yau da kullum, don kunna aikin sarrafawa.

5 Tasirin bambance-bambancen tsarin

Tsarin yin katin launi tare da mitar tawada iri ɗaya da mai nuna tawada shine tsarin "bushe bugu". Babu ruwa a ciki, kuma bugu shine tsarin "rigar bugu". Ruwan jika yana shiga cikin aikin bugu. Don haka, dole ne a samar da tawada a cikin bugu na biya. Al'amarin emulsification na ruwa{4}}a cikin-mai emulsified tawada yana canza yanayin rarrabuwar ɓangarorin pigment a cikin tawada, kuma babu makawa ya haifar da bambancin launi, kuma samfurin da aka buga shima yana da duhu a launi kuma ba mai haske ba.

Bugu da kari, kwanciyar hankali na tawada da ake amfani da shi wajen tura launukan tabo, kauri na tawada, daidaiton tawada, sabo da tsohon bambance-bambancen wurin samar da tawada na injin bugu, saurin injin bugu, da adadin ruwa yayin bugu suma za su yi tasiri daban-daban kan bambancin launi. Tasiri