The anilox roller has always played a vital role as the "heart" of flexographic printing, and it is also under increasing pressure. With the improvement of printing quality requirements in the printing industry, especially the label printing industry, people's requirements for anilox rollers are also getting higher and higher. At present, the line number of anilox rollers has exceeded 1300 lpi. At the same time, the number of printing plate lines of the flexographic plate is getting higher and higher, and the dot requirements, background color requirements, level requirements, etc. continue to be the targets of manufacturers' challenges. However, the most basic problem that plagues the development of flexographic printing-the unification of both the color of field printing and the level of dot printing, cannot be effectively solved.
For this problem, under the existing conditions, our usual approach is:
1. Separate plate making, and then register printing. The harmfulness of this approach is due to the deviation of overprinting, which makes the scrap rate increase. Production efficiency is low.
2. Find a rough balance between the two. The danger of this is that the color on the ground is not enough or too high, and the level of the dots is not enough. It is easy to block the plate during the printing process, often causing downtime adjustment.
3. Increase the color density of the ink, which means increased costs.
Faced with these problems, the configuration of anilox rollers in printing houses is increasing. Generally, an 8-color equipment needs to be equipped with 24 to 35 anilox rollers to meet the needs of different printing processes; at the same time, the stock of spot color inks is also increasing. The standardization of printing has become more and more complicated, all of which have virtually increased the cost of manufacturers! What does cost mean in an increasingly competitive market? What does quality mean? Flexo needs a breakthrough!
It turns out that we make a perfect flexo and need to control all the variables!
Now that we make a perfect flexo, we need to eliminate all variables!
As an important anilox roll manufacturer in the world, APEX has proposed such a brand new concept, made a brand new reform of anilox roll technology, and launched the "Genetic Transfer Technology" referred to as "GTT" technology, completely breaking the traditional concept. In the future, the anilox roller no longer needs the concepts of line number and ink load! Only one SML-XL and other anilox rollers of up to 4 specifications are needed for one machine 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?
1. GTT technology solves the problem of uniformity of field and dot printing. The biggest feature of GTT technology is the use of ditch-like reticulated structure instead of the original pit-like reticulated structure. It can not only bring about ink demand on the ground, but also meet the cleanness of dot printing. Because of the open ink transfer and the engraving method of the net hole, the ink can be transferred to the printing plate very uniformly. Get very smooth ink effect in printing and get effective coverage in the field, so as to get perfect field effect. The design of the ink storage tank can ensure that the small dots are most effectively supported, and because the ink transferred to the printing plate is very uniform, the printing plate will not bring excess ink. Therefore, the printing of the dots is very clean, and it is not suitable to block the plate.
Second, because of the open ink storage structure, the air bubble effect of the traditional anilox roller can be avoided, and the printing becomes stable without color difference due to the speed of the printing machine.
3. The use of XL type anilox roller can bring a very satisfactory background color, the effect can be achieved by printing once on white background, if you need a thicker background color, you can also customize XXL model for customers.
4. Because the flatness of the ink is greatly improved, the effect of the entire printed pattern is more layered.
Fifth, because of the open trench design, the pressure of the scraper can be appropriately lowered, and a slight pressure can achieve a good scraping effect, extending the life of the scraper and the anilox roller.
Sixth, make the standard of flexographic printing easier to establish. Four-color printing can be used extensively in printing, reducing the use of spot color inks, and client-side color management becomes more convenient.
Seven, long-term printing without downtime to wipe the plate. The characters are printed clearly, and the burrs and ghosts are greatly reduced.
8. Anilox roller has self-cleaning function. Because of its open structure, every ink transfer is fresh ink. Ink transfer is very sufficient, and maintenance is also easy, not clogged.
Nine, for manufacturers, the quantity of anilox roller stock can be greatly reduced. The general 8-color flexo printing equipment can meet the production needs as long as it is equipped with 8 to 10 anilox rollers.
10. The cost of plate-making can be greatly reduced. Basically, it can meet the unity of the dot and field printing, and complete the printing on one plate, without the need for separate plate making and overprinting.
11. The consumption of ink will also decrease. Some people here will question why the color density is high, but the amount of ink will be reduced instead. There are two reasons for this: first, because compared with the traditional anilox roller, GTT transfers more ink under the same ink condition, so there will be a deeper color, then the same hue as the traditional anilox roller In effect, GTT can use inks with a lighter concentration than traditional anilox roller pastes. Secondly, because the flatness of the ink is greatly improved and the coverage of the ink is improved, the increase in hue is not achieved only by increasing the thickness of the ink. According to customer feedback after use, it can save about 18% of ink.
This is only part of the breakthrough in flexo technology. Although APEX cannot solve all the problems of flexo printing, the company has been committed to the future development of flexo printing. APEX is working with Esko, Flint, and world-renowned flexographic plate-making equipment companies and printing equipment suppliers to jointly greet the bright future of flexographic printing!
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