Ink Knowledge Church: How to spot color ink deployment (on) – inks, spot color – Printing Industry
Ink deployment is to reconcile with one or more ink, and add some auxiliary rib material, to adapt the whole process of printing needs. Ink deployment includes two aspects: one refers to the color of ink to deploy, on the other hand refers to the deployment of ink printability.
An important measure of print quality criteria: color must meet the original requirements. For any one color are reflected in the numerous original color of ink in the deployment should first identify and understand. This requires that the nature of color come from the study, as mentioned above, there are three characteristics of color, namely hue, brightness, saturation, known as the color of the three properties. Identification of any ink color, according to the color of the three attributes can be distinguished, so the three attributes of color ink is correct and the difference between understanding an important basis for a variety of ink colors available for deployment of integrated color ink when correctly analyzed .
1, a basic knowledge of ink deployment
Ink deployment is a very detailed technical work to be conducted in a dedicated room, mainly a good grasp of hue and to prevent sand and dust falling into the ink.
Deployment of equipment and reference ink
(1) Blending table: a hard smooth surface of the table (or stone) can be used as workbench.
(2) adjust the knife: two tone blade (preferably a width of a narrow) can mix well.
(3) platform scale, scraper, scraping like paper, ink tray loaded box.
(4) records of each formula should note the various components and the ratio of additives is
(5) color table (Spectrum) Addition formula, the ink samples and should play the proofs are preserved.
Room should be kept clean around the walls can not have larger other vibrant colors. Because of environmental color on the correct color vision have a great impact. This phenomenon is called color illusion, with a gray color blocks, reddish green environment, and in the red environment, left green. With a color, surrounded by dark, it looked underweight. Surrounded by pale, it appears darker. Therefore, when the deployment of ink, both see original color samples, or after the ink kind of ink transfer, must avoid the color of the environment.
Second, the deployment method of spot-color ink
For continuous tone original copy must be combined with the network obtained. As for the original site, if combined with a four-color dot method, replication is extremely difficult, ineffective copy, fuzzy false color, hue are prone to bias, then the need to follow the original deployment of a variety of spot colors to match print .
1, the deployment of dark ink
Only original ink colors between RGB, or without any diluent to be ink deployment, known collectively as the deployment of dark ink. The deployment of dark ink has the following steps:
(1) According to the subtractive pigment purity law, the original color samples and gas chromatography were analyzed to determine the RGB color samples in the ratio between levels, discharge main color, secondary color sequence.
(2) three primary colors of ink using the same type spare, fine products can be used light quick-drying ink, generally used resin-based ink products.
(3) to determine the quantity allocation, and then press the deployment ratio, followed in sequence add up ink. Balance first take up the main content of primary colors, then scale to take content less complementary colors, complementary colors and then several times to join the main color ink in the ink and blending evenly.
(4) use of mixing the three primary colors in different proportions of brown, fake gold, red purple, bronze, olive green and a series of deep hue ranging from light, in the deployment process must pay attention to hue accurate, and also to grasp Overs dry oil well and according to different hue different dry oil.
Information Deployment of the basic principles of spot-color ink
Effective use of color theory clever deployment of spot-color ink
Occur if the spot color ink how to deal with the phenomenon of color cast
Exchange of experiences: special characteristics and use of color ink
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