箱印刷における色の違いを引き起こすいくつかの要因

In ordinary life, we can see that some packaging boxes are more high-end, and some are very cheap; Some are rich in color and beautiful patterns, while others have a color aberration that is cheap at first glance. So what factors will affect the color difference of the packaging box during the printing process?

Caused by poor ink rollers
The quality of the tools used in the printing process is one of the causes of color difference. In the process, the ink roller has a greater influence on the ink color. If the ink roller colloid is too hard, the elasticity is poor, and the viscosity is insufficient, there will be uneven and unstable brush ink, resulting in inconsistent ink color between each sheet, which is what we call color difference.

Caused by poor ink transfer device
Adjusting the amount of ink used during printing, increasing or decreasing, are inseparable from the ink transfer device. Either adjust the gap between the ink bucket steel sheet and the ink transfer iron roller, or adjust the size of the rotation arc of the ink transfer iron roller. No matter which adjustment you choose, you must be extra careful, keep it within a certain range, and adjust it at any time if necessary to prevent the occurrence of printing color difference.

Caused by stress discomfort
Due to the unevenness of the printing surface, when the printing pressure is uneven, the ink layer will appear inconsistent and color deviation. The ideal printing requirement is to maintain a stable balance of the printing plate, substrate and lining surface, and on this basis, a balanced pressure is used for printing, in order to avoid the phenomenon of color difference to a large extent.

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