Printing factories in the long-term printing process should be more often encountered in the custom lift-up flaps book operation easy to drop the problem, after all, such a problem will bring about a significant increase in defective products, which will increase the actual production costs. If you can correctly deal with this printing drop, it will be able to greatly reduce the loss. The following brings you the custom lift-up flaps book technical dry goods - the correct handling of the printing drop problem in the custom lift-up flaps book process.

First of all, we need to briefly understand the common forms and causes of printing drops.

Generally speaking, these points will fall on the blanket, and a small number of them will be in the printing plate and the ink roller.

The common form of printing drops can generally be classified as the following reasons for printing drops: crush and damage, the viscosity of the ink is too large, the printing pressure is too large, and so on, among which the more common is the paper end paper lint and paper surface crush. Therefore, it is necessary to analyze and judge according to the above situation.

Next, let's talk about the correct way to deal with the printing drop point problem.

The first and most common way is to recommend regular cleaning of the blanket, preferably at about 5,000 pieces of cleaning, this is because the paper scraps will accumulate in printing, so regular cleaning can be improved.

The second way is to wipe the end of the paper with a high-quality cotton cloth (no hair).

The third way is to strictly control the cutting of paper lint and paper scraps.

The fourth way is recommended to trim the edge after cutting, and after trimming the edge, air pressure the paper powder first and then printing, so as to effectively reduce the number of printing drops

The fifth suggestion is that you can use vili oil or lightener in the first color group of the printing press, and then print after the bottom, which can solve the problem of dropping points

Of course, if the factory can be equipped with imported slitting machines, it will certainly have better slitting quality, if the factory can implement strict paper wool and paper control standards, then the printing drop problem will certainly be greatly improved.

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