Deployment of spot color ink for the hottest short

The deployment of spot color ink for short edition printing and the application of residual ink

in packaging printing, there are many short editions with a printing number of thousands to 10000 copies, of which a considerable part is field printed live parts. In the deployment of spot color ink, it is adjusted too much, resulting in waste; It is not only time-consuming to adjust less, but also difficult to ensure the consistency of the ink before and after, resulting in color deviation. Therefore, how to accurately control the allocation of spot color ink is very important

determine the ink mixing amount according to the print number

based on years of experience, I have obtained an empirical formula to control the ink mixing amount, which can help the inker accurately grasp the surface amount of the screw and barrel that will be damaged by steel, and also provide a basis for managers to manage the material cost

1kg ink ≈ 1 ream of paper full-scale field ink volume (positive opening)

involves other papers with different opening and real plots with different areas, which can be converted according to the above formula according to the specific situation of the print. Note that when mixing ink, the ink volume adjusted is 0.5kg more than the result of conversion (for example, for a printing plate, 1kg ink can print about 16 reams of large opening paper)

residual ink treatment of color inks

for the residual ink treatment of spot color inks for short version field printing, at present, many manufacturers place them for a long time, resulting in dust deposition over time, even oxidation and deterioration, until they are scrapped. In fact, we might as well adopt the following two methods

at the same time, the concept of "sharing economy" is also introduced. When mixing another batch of dark field spot color ink, it is mixed with the original spot color residual ink according to its composition and hue difference, but the hue of the mixed ink cannot be changed

second, mix the long-term stored residual inks (commonly known as miscellaneous inks) into

"black" inks according to the color rendering principle of the three primary colors of ink pigments. If the blackness is not enough, the primary black ink can be added appropriately. The "black" ink produced in this way can be used for books and periodicals professional printing for customers and general coated paper color printing. As we all know, in four-color printing, the black version only plays a skeleton role of "outlining" and "emphasizing" the dark part of the pattern, and will not affect the basic color of the pattern. However, due to the large number of "miscellaneous ink" inks, spots will be brought to the field stripes during the printing process, and the limited blackness of "miscellaneous ink" will make the field stripes appear gray, so it cannot be used to print the pattern of black field stripes

continuous decline in production cost