Effect of Anilox Roller on Water-based Ink Packaging


When the quick-drying agent ink is used, the ink used by the ink manufacturer may be different or the machine speed may be too fast, which may cause the ink drying speed to be slower. Accelerating the drying agent can adjust the ink drying speed to the printing machine rotation speed requirement and improve the production efficiency. The use ratio is 2~3%. Slow drying agent It can inhibit and slow down the drying speed of the ink, play a role in moisturizing, prevent the ink from drying on the printing plate or anilox roller, and reduce the occurrence of printing failures such as blocking plate and stencil printing. The use ratio is 1 to 2%. between.

Water-based inks used in the scope of the previous introduction of water-based ink structure and type, then we talk about some of the important factors that affect the quality of water-based ink printing. In carton printing, the transfer of ink and ink is controlled by the anilox roller. For this purpose, the anilox roller must be selected according to the requirements of the product. The number of lines of the anilox roller is approximately four times the number of lines of the printed matter. Get better print definition and resolution. Fineness refers to the size of the toner particles in the ink. It is completed in the process of producing ink color paste. It is a key quality indicator. Whether or not the color paste production process is scientific and meticulous plays an absolute role in the quality of the ink. It is best to add dispersants and wetting agents during the production of pastes.

The fineness of the general ink is preferably between 10 and 25 μm, and too fine or too large will affect the flow and rheological properties of the ink. Viscosity refers to the thickness of ink and is an indicator of the flow of ink. The viscosity is too large to cause poor fluidity and slow drying; the low viscosity ink has good fluidity, fast drying, thin ink layers, and low ink consumption. Normal general ink viscosity is 50\\”~65\\”/25°C (coating 4# cups), high-grade ink ink viscosity is controlled at 25\\”~35\\”/25°C (coating 4# cups). If the viscosity of the ink is low, the toner content requirement is higher; otherwise, the toner content is low. Since the viscosity directly affects the transferability of the ink and the quality of the printed matter, the control of the viscosity of the ink is very important for this purpose. In the printing process, if the viscosity is too low, the color will be light, and the high viscosity will cause the phenomenon of dirty plate, stencil, etc. Therefore, if the transfer agent is difficult to control, the transfer agent can be added to improve the transfer effect and increase the vividness and three-dimensionality. Water-based ink tips

1. Can not mix ink with solvent ink. In the use of appropriate addition of water, you really need to adjust the viscosity or drying speed, the appropriate amount of additives such as alcohols or esters.

2. Stir before use and then pour it into the ink tank. Adjust the viscosity with water and use it. Unused containers should be covered and the ink should not be allowed to evaporate in nature.

3. Before use, check the technical indicators, especially whether the hue meets their own requirements. If the hue deviation is large, please notify the ink manufacturers to properly deploy, so as to avoid the dispute caused by the hue error.

4. In the printing process, due to the volatilization of water, the original viscosity and PH value of the ink will be affected. It is necessary to constantly check the viscosity and PH value. If necessary, clean tap water or pH stabilizer should be properly added.

5. The ink remaining on the printing equipment after printing is rinsed with clean water. The ink on the printing roller is preferably cleaned with a cleaning agent for the next printing service. Out of water-based ink misuse Not all water-based ink users understand the principle of viscosity, many people will have this misunderstanding that the ink viscosity is a good ink. Can add a lot of water, printing more cardboard boxes, reduce costs and increase efficiency. In fact, we do not blindly purchase high-grade ink and ink according to the performance of production equipment. We believe that with high-grade ink, we can print good-quality prints. I think this is very impractical and unscientific. The simplest test for high-grade ink is whether there is discoloration, but ink that does not lose color is high-end, or that high-end ink is not lost, and is not particularly accurate.


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