The advantage of laser engraving ceramic anilox roller and flexo printing

The advent of laser-engraved ceramic anilox rollers is a major factor in the innovation of flexographic printing technology.
Mesh styling type: generally based on honeycomb type (HExagON) 60 ° 30 °, diamond type (DIamond) 45 °, oblique type (TRIHEI Ical) 1 ° -89 ° mainly (see below)



Bee-shaped 60° Diamond 45° Bee-shaped 30° Skew

The advantages of laser engraving ceramic mesh drums:
long lasting:
It is wear-resistant, the mesh volume is always fresh, and the printing color is uniformly maintained.
Highly resistant to damage:
The clay layer is hard and can withstand 375,000 pounds per square inch, which is about fifteen times that of a typical embossed chromed roller.
The volume of ink is great:
Due to the circular shape of the mesh, the ink capacity is more than that of the embossed mesh with a pointed bottom, and at the same time, both the dot printing and the full-bottom printing can be taken into consideration.
Error-free net effect:
MORE (MORE) mainly refers to the arrangement of the mesh and the printing network, forming a staggered state and creating a phenomenon of ink and cloth unevenness. Laser-engraved meshes are randomly arranged due to their arrangement with printing screens, so there is no regular pattern of geometric patterns.
Excellent corrosion resistance:
The corrosion-resistant ceramic layer is directly coated on the metal substrate, which can effectively improve the corrosion resistance of the roller.
Configuration diversification:
Due to the excellent pressure resistance on the surface of the ceramic layer, it can withstand the scraping and wiping of the scraper, and it can be used with a scraper or a double-drum wiping system.
Do not hurt knife damage version:
The circular cell points do not have sharp corners, and there is no damage to the blades, which can greatly extend the service life of the blades and plates.
Can replace network cable:
The laser-engraved U-shaped net hole has a larger volume than the mechanically embossed V-shaped shape. If you want the same amount of ink, you can use it with a U-shaped screen with a higher number of lines.
Network cable details:
With the laser engraving method, 1000 lines can be easily carved, far exceeding the limit of mechanical embossing 400 lines, and the improvement of the effect of color dot printing can be described as endless.
Improve ink release:
Circular mesh shape, easy to release ink, help the transfer of ink.
Comprehensive accuracy:
The laser-engraving cylinder is a laser gun that indirectly burns thermal energy on the surface of the ceramic layer to form a mesh, which is different from the direct mechanical contact pattern of ordinary mechanical embossing. It does not affect the original precision of the cylinder, and it does not affect the integrated drum. The negative effect of precision (TIR).
Laser Engraving Ceramic Drum Usage Essentials In a typical dual-drum ink-jet system, the mesh drum runs through the rubber drum in the ink tank, and is spaced from the plate cylinder. When the printing speed increases, the amount of ink in each roller gap also increases rapidly, not only overflowing the screen, but also expanding the roller surface. In addition to causing stains, it also generates multiple printing points, showing the phenomenon of ink stains. Especially when the printer is damaged or when the viscosity of the ink fluctuates. In short, depending on the speed of printing, the amount of ink tends to increase or decrease. (See Figure 1)



Figure 1: Double-drum wiping system

The solution should be matched with a doctor blade wipe system. When the device is installed, the blade fixing sleeve must be firm and inflexible, so as to prevent the inclination of the tool, the precision between the components, and the service line within the tolerance, so that the blade and the cylinder surface can be evenly touched, and the ink can be easily scraped off. (See Figure 2)



Figure 2: Squeegee wipe system

Considerations for printing conditions should be achieved using a doctor blade to obtain a uniform and stable ink control effect.
60° honeycomb-shaped laser-engraving mesh, thin wall hole, can extend the service life of the blade.
The thin wall of the mesh hole can obtain a well-balanced printing ink layer.
A high number of meshes can improve the accuracy of printing and can suppress the phenomenon of enlargement of printing dots.
Low ink mesh (high number of lines), with the appropriate ink (high concentration), the thinner the ink layer, can also obtain the equivalent printing color.
For a stable and beautiful print, use a flexible liner thin printing. (One Ming Technology Co., Ltd.)

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