How to ensure that the pressure on the surface of paper and blanket is consistent

In the printing process, after finding that the blanket has collapsed, the blanket must be promptly replaced when the blanket reductant does not work. If it is replaced with a new blanket, it is better to change the upper and lower editions at the same time. Use a new blanket.

Because the blanket is subjected to periodic stress during the printing process, enamel is gradually formed on the surface of the blanket, and its dot reducibility and rebound ability are greatly reduced. If the old and new blankets are used on one unit at the same time, the pressure on the tape between the old and new blankets is different, and the reproducibility of the dots can be imagined and not much better.

If you replace the old blanket and place it for a period of time, generally imported high-grade air-cushion blankets such as DAYGRAPHICAL from Heidelberg, etc., the micro-pore rebound layer will restore the elasticity of the blanket under the action of the air cushion molecules, which is often said. Shu wake up." After the “shu awake”, the old blanket can also be used, so the principle of blanket replacement is to adhere to the principle of “old vs. old, new vs. new”. In this way, the pressure of the surface of the paper and the surface of the blanket can be basically the same, thereby providing conditions for obtaining a good dot reducibility.


Source: Bureau of Indian Network: Han Tao