Why does the Corrugate Boxes For Wine appear to have uneven ink color during the printing process

Why does the Corrugate Boxes For Wine appear to have uneven ink color during the printing process

During the printing process of Corrugate Boxes For Wine, uneven ink color appears sometimes. Since the corrugate box for wine is corrugate, this is usually caused by uneven ink control, such as uneven ink placement before printing. Here's how:

Solution: reasonable control of the amount of water, follow the "ink water, ink water is small" principle, the amount of water is not too large, to prevent the ambassador ink emulsification aggravate offset printing, printing ink dot empty. At the same time, the area and distribution of text and text on the printing plate, text and text content and printing speed will also affect the size of the amount of water, in general, the picture and text area, dense distribution, printing speed is slow, the amount of water should be increased appropriately, and vice versa. If the amount of water is too large, the printing will be damp, and there are water marks on the roller. The problem of "water" can be solved by increasing the number of plate paper to "suck out" the water, using white paper to "wrap water" the water roller, and wiping the roller at a fixed speed after "throwing out" the water. These methods are not good, but also the water roller can be removed. From the side of the plate, plate surface hair "black" not bright full printing, that is, the amount of water is appropriate. Just add water, such as ink can use paper to ink most "ink", instead of add ink ink small parts (note that the ink to spread evenly, should according to print before printing surface graphic on the distribution, the network situation of ink, metal packaging in the printing process, should timely adjust the ink fountain of silk, local control ink quantity, reasonably adjust the ink fountain and the Angle of the ink fountain roller, Overall control of ink supply.