GTT Technology Analysis of Flexo Printing

The anilox roller has always played a vital role as the heart of the flexographic printing, and at the same time it is also under increasing pressure. With the improvement of printing quality requirements in the printing industry, especially in the label printing industry, people have increasingly higher requirements for anilox rollers. Currently, the number of lines of anilox rollers has exceeded 1300 lpi. At the same time, the number of flexographic plate lines is getting higher and higher, and the dot requirements, background requirements, level requirements, and so on are constantly becoming the challenges of the manufacturers. However, the most fundamental issue plaguing the development of flexographic printing is the unification of the problems of both the color of the field printing and the level of the dot printing, which still cannot be effectively solved.

For this problem, our common practice under the existing conditions is:

1. Separate plates, then print them again. The danger of this approach is due to the deviation of overprinting that makes the reject rate increase. Inefficient production.

2. Find a rough balance between the two. The danger is that the color in the field is not enough or too high, and the dot layer sense is not enough. In the printing process, it is easy to block the plate, often causing shutdown adjustment.

3. Increase the color density of the ink, which means an increase in cost.

In the face of these problems, there are more and more anilox rollers in the printing factory. In general, a 8-color device needs to configure 2,435 different anilox rollers to meet the needs of different printing processes; at the same time, spot inks are increasingly stocked. The standardization of printing has become more and more complicated, all of which has increased the cost of the manufacturer virtually! In an increasingly competitive market, what does the cost mean? What does quality mean? Flexo needs a breakthrough!

It turned out that we made a perfect flexo and we needed to control all the variables!

Now we make a perfect flexo that needs to eliminate all variables!

APEX as a globally important anilox roller manufacturer puts forward such a brand-new concept, has made a brand-new reform to the anilox roller technology, and has introduced the Genetic Transfer Technology abbreviation GTT technology, has completely broken the traditional concept. The future anilox roller no longer needs the concept of the number of lines and the amount of ink! A single machine only needs up to 4 specifications of anilox rollers such as SML-XL to complete all printing orders! After 3 years of market inspection, GTT technology will have a positive impact on the development of flexographic printing!

So what changes will this technology bring to flexographic printing?

First, GTT technology solves the problem of the unity of printing on the spot and in the web. The greatest feature of the GTT technology is the use of a trench-style textured structure instead of the original pit-type textured structure. It not only brings the need for ink in the field, but also satisfies the cleanliness of dot printing. Because of the open transmission of ink and the engraving of the cells, the ink can be transferred to the plate very evenly. A very smooth ink effect is obtained in the printing and an effective coverage is achieved in the field, resulting in a perfect field effect. The design of the ink reservoir ensures that the fine dots are most effectively supported, and because the ink transferred to the printing plate is very uniform, the printing plate does not carry excess ink. So that the printing of outlets is very clean and it is not appropriate to block printing.

Second, because of the open ink storage structure, the air bubble effect of the traditional anilox roller can be avoided, the printing becomes stable, and the color difference will not occur due to the speed of the printing press.

Third, the use of XL models of the anilox roller can bring about a very satisfactory background color, white can be printed once to achieve results, if you still need a more heavy background can also be customized for customers XXL models.

Fourth, due to the flatness of the ink is greatly improved, so that the effect of the entire printing pattern is more layered.

Fifth, because of the open trench design, the pressure of the scraper can be properly adjusted. The gentle pressure can achieve a good ink-smoothing effect and prolong the life of the scraper and anilox roller.

Sixth, it is easier to establish standards for flexographic printing. Printing can be used in a large number of four-color printing, reducing the use of spot color ink, client-side color management becomes more convenient.

Seven, long-time printing without stopping the printing plate. Printed texts are clear, flashing and ghosting are greatly reduced.

Eight, the anilox roller has a self-cleaning function. Because of its open structure, each transfer of ink is fresh ink. The transfer of ink is adequate, and maintenance is also easy and should not be blocked.

Nine, for the manufacturer, the number of anilox roller stocks can be greatly reduced. Generally 8-color flexo printing equipment can meet the production needs as long as 8 to 10 anilox rolls are equipped.

10. The cost of plate making can be greatly reduced. Basically, it can meet the unity of printing on the spot and in the field, and printing can be completed on one plate without separate printing and overprinting.

11. The consumption of ink will also decrease. Some people here question why the color concentration is high, but the amount of ink will be reduced? There are two reasons for this: First, since the GTT transfers more ink than the conventional anilox roller in the case of the same ink, there is a deeper color and the same hue as the conventional anilox roller is reached. In effect, GTT can use inks that are lighter than traditional anilox roller pastes. Secondly, since the flatness of the ink is greatly improved and the coverage of the ink is improved, the increase in hue is not achieved simply by increasing the thickness of the ink. According to customer feedback, about 18% of ink can be saved.

This is just a part of the flexographic technology breakthrough. Although APEX cannot solve all the problems of flexographic printing, the company has been committed to the future development of flexographic printing. APEX is working with Esko, Flint, and the world-renowned flexographic plate equipment companies and printing equipment suppliers to jointly welcome the bright future of flexographic printing!

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