The Development Process of Inking System of paper printing machines

In the daily use of paper printing machines, its ink transfer system is very important. Next, let us understand the development process of the inking system of the paper printing machines. Here are some answers.

Here is the content list:

l Two roller-type ink transfer systems.

l Doctor blade ink transfer system.

l The comprehensive doctor blade system.

l Closed scraper system.

Two roller-type ink transfer systems.

The two-roller ink transfer system of the paper printing machines is an ink transfer system composed of an ink fountain roller and an anilox. The main advantage is that the rolling friction wears less on the anilox roller and rubber, and the service life is long. However, in the case of high-speed and high-screen printing, the uniformity of ink transfer from the paper printing machines cannot be guaranteed. Therefore, the two-roller ink transfer system has been gradually phased out.

Doctor blade ink transfer system.

The doctor blade ink transfer system is an ink transfer system composed of a doctor blade and an anilox roller. The use of doctor blades in paper printing machines allows the press to achieve better print quality at various ink viscosities and higher speeds. This ink transfer system is divided into two types: forward scraper type and reverse scraper type. Generally speaking, the reverse scraper is better than the forward.

The comprehensive doctor blade system.

The comprehensive doctor blade system is an inking system composed of an ink fountain roller, anilox ink transfer series, and a doctor blade. Among them, the anilox roller is supplied with ink by the ink fountain roller. Since the paper printing machines adopt a doctor blade, the function of the ink fountain roller is limited to transferring sufficient ink to the anilox roller, so it cannot control the ink transferred to the printing plate.

Closed scraper system.

The closed doctor blade system is a completely new ink supply system composed of an ink tank and a doctor blade. The ink tank of the paper printing machines is fully enclosed, and there are two scrapers in the tank. The forward scraper mainly plays the role of sealing, and the reverse scraper plays the role of scraping ink. Both the ink and the cleaning agent are in a state of flow according to the principle of fluid mechanics, so even a small amount can be circulated, and a small amount of cleaning agent can also be cleaned. In the high-speed ink transfer, the paper printing machines can still maintain the stability of the ink supply, which eliminates the phenomenon of flying ink during high-speed operation.

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