An effective method to solve the excessive emulsification of ink

In the production of offset printing, we often encounter the phenomenon of excessive emulsification of ink, which not only seriously affects the production speed and product quality, but also causes certain economic losses. The excessive emulsification of ink is usually caused by excessive water supply. Therefore, the operator will generally solve the problem by reducing the water supply and increasing the ink supply, but the adjustment effect can only be verified by printing, which is undoubtedly wasteful A certain amount of time and materials.

To this end, we have studied the excessive emulsification of ink as a subject. By searching for information on printing presses at home and abroad, we found that we can learn from the methods used by Heidelberg CP2000 offset presses when dealing with such problems. For each ink zone, an axial fan is installed in the dampening system, which can quickly evaporate the excess water in this zone. Inspired by this approach, we designed an adjustable drying system to be installed on the offset press to quickly evaporate excess water and reduce the chance of excessive emulsification of the ink.

It can adjust the distance between the axial fan and the plate cylinder through the DC low-speed motor according to the amount of water in the ink area, so that the excess moisture can quickly evaporate, effectively solving the problem of excessive emulsification of ink caused by excessive moisture. The machine has a low price, simple structure, and is easy to use. It can be removed from the offset printing machine at any time, without affecting the normal operation of the offset printing machine, nor damaging the original mechanism of the offset printing machine.

At the same time, we also found in the experiment that due to the effectiveness of the blowing, the mechanism can also remove the paper wool caused by the poor quality of the paper, thereby further improving the quality of the printed matter.

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