In the work of the fully automatic Flat Screen Printing Machine, the printing of ink is particularly important to the printing machine. The best way to control the drying speed of the Flat Screen Printing Machine ink is to reach an agreement with the ink supplier to determine what you want to print, and the other party must provide Which inks. How to control printing ink on Flat Screen Printing Machine? Today, the staff of Licheng Printing Machinery will introduce to you:

1. Try not to use soybean-based ink in the printing process, because soybean oil is semi-dry (slow) oil, so it is not easy to dry when the paper is dense.

2. The best solution to the drying problem is to prevent it. It is necessary to communicate clearly with the ink supplier before printing. The Flat Screen Printing Machine ink supplier knows their products better than the printer. Where is the ink used? For example, trademark nameplates are printed on paper. Even if different papers are used for printing, the inks are also different. For example, the drying of ink on newsprint is completely different from drying on a type of paper.

3. The printing environment should control the pH value of the fountain solution to be between 4.0 and 5.0. Higher acidity (lower PH value) will slow down the drying process of the ink.

4. Adding a desiccant to the fountain solution can improve the dryness of the ink.

5. Use large particles to spray powder to separate the printed paper and allow more oxygen to enter, causing it to react with oil and resin.

6. Let the supplier increase the strength of the ink so that it can be printed with a thinner ink layer, making it easier to fix and dry.

7. Since the temperature of the printing press or paper may be too low, the paper is pretreated before printing, which will affect the drying of the ink.

8. When printing on a large area, overprinting should use varnish containing desiccant or use transparent ink.

9. Use the recommended amount of desiccant for the ink in use. Too much desiccant will harden the ink and cause the ink to not dry.

The above is the introduction of how to control all Stenter printing inks, and I will stop here today. Finally, I remind everyone to choose the right ink, and then grasp the points to pay attention to in the details.