Nea ɛde kɔla mu nsonsonoe a ɛwɔ spot color inks mu ba wɔ tintim adwuma no mu .

Wɔ tintim nhyehyɛe no mu no, nneɛma pii wɔ hɔ a ɛde spot color ink production chromatic aberration ba, na wɔka saa nneɛma yi ho asɛm wɔ ɔkwan soronko so wɔ ase hɔ.

Krataa 1 a ɛfa nkɛntɛnso a kɔla nya ho .

Nkɛntɛnso a krataa nya wɔ ink kɔla so no da adi titiriw wɔ afã abiɛsa mu.

(1) Krataa fitaa: Krataa a ɛsono sɛnea ɛyɛ fitaa (anaasɛ kɔla pɔtee bi) wɔ nkɛntɛnso soronko wɔ kɔla a ɛwɔ ink a wɔde tintim nhoma no mu. Wɔ whiteboard krataa koro no ara ho no, fitaayɛ no yɛ soronko, na kɔla nsonsonoe a ɛwɔ printing ink layer no mu no da adi titiriw wɔ ink a ɛyɛ tuntum no dodow a ɛwɔ spot color ink no mu, titiriw wɔ kɔla ahorow a ne lightness boro 70 no ho, na nkɛntɛnso no da adi titiriw, na ɛde spot color ink ba. Nsonsonoe no gu ahorow kɛse. Enti, wɔ adeyɛ ankasa mu no, ɛsɛ sɛ wotintim krataa a ɛyɛ fitaa koro no ara sɛnea ɛbɛyɛ yiye biara na ama krataa no fitaayɛ no nkɛntɛnso so atew wɔ kɔla a wɔde tintim nhoma no so.

(2) Absorption: Sɛ wotintim ink koro no ara wɔ tebea koro no ara mu wɔ krataa so a ɛsono sɛnea ɛtwetwe a, ɛsono sɛnea wɔde printing gloss bɛba. Krataa no nhyehyɛe no kyerɛ sɛ nneɛma a ɛnkɔ so pɛpɛɛpɛ ne akwan a ɛda hɔ a afifide nhama ayɛ wɔ krataa no ani. Sɛnea ɛbɛyɛ a wobenya krataa no ani a ɛyɛ pɛ na ɛyɛ mmerɛw no, mpɛn pii no ɛho hia sɛ wɔde biribi a ɛsono emu biara kata krataa no ani. Sɛnea ade a wɔde kata so no te ne ne kɛse na ɛkyerɛ sɛnea ink no tumi twetwe wɔ krataa no ani. Esiane sɛ ɛsono tumi a wɔde twetwe nneɛma nti, ɛho hia sɛ wɔma kɔla ahorow a ɛwɔ ink a wɔde tintim nhoma no mu no yɛ soronko. Sɛ wode toto krataa a wɔakata so ho a, krataa a ɛnyɛ{6}}a wɔde akata so, ink tuntum a ɛwɔ so no bɛda adi sɛ ɛyɛ tumm, ɛyɛ kusuu, na kɔla a ɛwɔ kɔla mu no bɛtwetwe, kɔla a ɛwɔ cyan ink ne magenta ink a wɔde afrafra no mu no kyerɛ nea ɛda adi kɛse.

(3) Gloss and smoothness: Nsɛm a wɔatintim a ɛhyerɛn no gyina krataa no mu hann ne sɛnea ɛyɛ mmerɛw so. Krataa a wɔde tintim nhoma no ani yɛ semi-afã a ɛhyerɛn, titiriw krataa a wɔde akata so.

Wɔ kɔla a wɔatintim mu no, hann no bɛyɛ 4% na ɛda adi bere a hann no bɔ krataa no ani wɔ anim a ɛyɛ digrii 45 no . Eyi ne hann a efi ɔfa a edi kan no ani ba. Hann a ɛka no nkae no fa ink layer no mu, ink no paw, na afei ɛda adi fa ink layer no mu, ɛhyɛn onipa aniwa mu, na onipa aniwa hu. Eyi ne kɔla a yehu. Sɛ krataa no mu hann ne sɛnea ɛyɛ mmerɛw no korɔn a, hann a ɛdannan wɔ ɔfã a edi kan no ani no yɛ ade a ɛma wohu ade na ɛyɛ den sɛ ɛbɛhyɛn nnipa aniwa mu. Kɔla a wohui wɔ saa bere yi mu no titiriw ne kɔla a ink a ɛwɔ so no da no adi. Sɛ krataa no ani yɛ mmerɛw na gloss no sua a, diffused reflection no bɛba wɔ layer a edi kan no ani. Saa bere yi, kɔla a yehu no yɛ kɔla hann titiriw no afrafra ne hann a efi ɔfã a edi kan no ani. Esiane sɛ hann ade fitaa bi wɔ mu nti, hann titiriw a ɛwɔ kɔla no mu no so tew. Enti, sɛ nkurɔfo hwɛ ade a wɔatintim no a, kɔla no mu yɛ hare, na sɛ wɔde densitometer susuw density no a, density bo no so tew na hann no kɔ soro.

2 Nsunsuanso a ɛwɔ soro ayaresa so wɔ kɔla so .

Akwan a wɔfa so de nneɛma gu so no titiriw ne ade a wɔde kata so (sini a ɛhyerɛn, matt film), ade a wɔde kata so (oil a ɛhyerɛn, matt ngo, UV varnish) ne nea ɛkeka ho. Sɛ wɔyɛ nneɛma a wɔatintim no ani a, hue ne kɔla a ɛyɛ den no mu nsakrae ahorow bɛba. Wɔakyekyɛ nsakrae yi mu ayɛ no honam fam nsakrae ne nnuru mu nsakrae. Nipadua mu nsakrae no da adi titiriw wɔ specular reflection ne diffuse reflection a ɛwɔ ade no ani so, a ɛwɔ nkɛntɛnso pɔtee bi wɔ kɔla no so. Sɛ worekata film a ɛhyerɛn no so a, kata ngo a emu yɛ hare ne UV ngo so, kɔla no mu yɛ den; Sɛ worekata matt film no so a, kata matte ngo no so, kɔla no so tew. Nnuru mu nsakrae no fi plastic film, UV base oil, ne organic solvent ahorow a ɛwɔ UV ngo no mu titiriw, na ɛno bɛsakra kɔla a ɛwɔ ink a wɔde tintim nhoma no mu.

3 Nkɛntɛnso a hann nya wɔ kɔla so .

Absorption agent yɛ paste-te sɛ ade a enni kɔla ne nea ɛda adi, a ne titiriw no, ɛyɛ adwuma a ɛyɛ kɔla a ɛma ɛyɛ mmerɛw wɔ spot color printing mu. Ɛsono sɛnea wɔde nneɛma a ɛyɛ hare ka ho no yɛ soronko, na nkɛntɛnso a ɛwɔ hue so no nso yɛ soronko, titiriw kɔla bruu no yɛ nea ɛda adi kɛse.

Wɔ adeyɛ a wɔde reyɛ spot-kɔla ink no mu no, leveling force ne pressure a ink mita a ɛyɛ pɛ ne ink-extracting instrument no de ba no sua sen nea ɛwɔ printing press no so. Ɛho nhia sɛ wode kanea bi bɛka ho bere a woretintim no, nanso fa kanea a ɛyɛ hare nkutoo di dwuma de yɛ kɔla a ɛyɛ kɔla a ɛyɛ pɛ ink display card. Wɔ kɔla a ɛyɛ den koro no ara mu no, kɔla nsonsonoe wɔ kɔla kaad ne ade a wɔatintim no ntam. Nea enti a ɛte saa ne sɛ, aduru a ɛma ɛyɛ hyew no a wɔde ka ho no sesa aduru a wɔde yɛ aduru no kyekyɛ wɔ ink no mu na ɛma ink no twetwe, dannan, na ɛma hann no dannan. Esiane nsakrae no nti, kɔla mu nsonsonoe wɔ hɔ, na ɛno fi nsonsonoe a ɛwɔ nhyehyɛe no mu no.

4 Nkɛntɛnso a ɛwɔ dry density nsonsonoe no mu .

Wɔ nneɛma a wɔatintim a wɔatintim no nkyɛe ho no, ink no da so ara yɛ nsu na ɛwɔ nsonsonoe a ɛwɔ density mu bere a ɛyɛ nwunu no. Wɔfrɛ adeyɛ a ɛyɛ nwonwa sɛ kɔla a ɛyɛ nsu no dɔɔso sen kɔla a ɛyɛ dry no sɛ ɛyɛ dry retreat density adeyɛ. Eyi te saa efisɛ ink layer a wɔatintim no nkyɛe no wɔ leveling su pɔtee bi, enti surface reflection no di so wɔ specular reflection mu, a ɛte sɛ nea ɛhyerɛn na ɛhyerɛn. Sɛ ink layer no wɔ tebea a ɛyɛ dry mu a, surface no reflection no yɛ diffuse reflection na ɛhyɛ no so, na kɔla no yɛ fi awosu mu yɛ dull na ɛyɛ tumm sen bere a wotintimii no.

Esiane sɛ wɔtaa susuw kɔla a ɛyɛ nwunu no bere a wɔatintim no simma 30 kosi 60 wɔ bere a ayow akyi nti, eyi ma ɛyɛ den sɛ wobesusuw kɔla ahorow a ɛwɔ hɔ no na wɔadi so.

Densitometer a ɛwɔ polarizer afiri betumi ayi hann afi ink layer no ani esiane specular reflection nti, na wet color density a wɔasusuw no bɛn dry color density no yiye sɛnea ɛbɛyɛ a ink layer no mu nsu ne dry no rennya nkɛntɛnso a wɔsusuw no so nkɛntɛnso. Wɔ krataa a wɔakata so no ho no, nsonsonoe a ɛwɔ density mu no yɛ 0.05 kosi 0.15, na krataa a ɛnyɛ{3}}a wɔakata so no wɔ nsonsonoe a wɔasusuw a ɛyɛ 0.1 kosi 0.2. Nsonsonoe a ɛwɔ kɔla mu nso yɛ soronko ma kɔla ahorow, a nsonsonoe a ɛyɛ kɔkɔɔ ketewaa sen biara, kɔla tuntum a ɛsõ sen biara, ne kɔla bruu ne kɔkɔɔ a ɛwɔ ntam no. Enti, sɛ wɔde densitometer a ɛte saa susuw a, ɛsɛ sɛ bo a wɔasusuw no yɛ kɛse sen bo a ɛsom wɔ kɔla nhwɛsode a ɛwɔ hɔ no mu, sɛnea ɛbɛyɛ a wobedi dwuma a wɔde di dwuma no.

5 Nkɛntɛnso a ɛwɔ nhyehyɛe mu nsonsonoe mu .

Adeyɛ a ɛne sɛ wɔbɛyɛ kɔla kaad a ink mita a ɛyɛ pɛ ne ink displayer yɛ "dry printing" adeyɛ. Nsuo biara nni mu, na tintim yɛ "wet printing" process. Nsu a ɛyɛ nsu a ɛma nsu tɔ mu no de ne ho hyɛ nhoma tintim mu. Enti, ɛsɛ sɛ wɔyɛ ink no wɔ offset tintim no mu. Emulsification phenomenon a ɛwɔ nsuo no mu-wɔ-oil emulsified ink mu no sesa kyekyɛ tebea a ɛwɔ pigment particles no mu wɔ ink layer no mu, na akyinnye biara nni ho sɛ ɛde kɔla nsonsonoe ba, na ɛte sɛ nea ade a wɔatintim no nso yɛ tuntum wɔ kɔla mu na ɛnyɛ nea ɛda adi pefee.

Nea ɛka ho no, ink a wɔde di dwuma ma spot colors a wɔde di dwuma no gyina pintinn, ink no mu duru, ink a ɛkari no pɛpɛɛpɛ, nsonsonoe foforo ne dedaw a ɛwɔ ink supply area a ɛwɔ afiri a wɔde tintim nhoma no mu, ahoɔhare a wɔde tintim nhoma no, ne nsu dodow a ɛwɔ bere a wɔretintim no nso benya nkɛntɛnso ahorow wɔ kɔla ahorow no mu nsonsonoe no so. Nsunsuansoɔ.