The anilox roller is used to transfer ink through the net point, and the net point is very small. In the process of use, it is easily blocked by the solidified ink, thus affecting the ink transfer effect. Therefore, the anilox roller with the best processing quality will be provided. Do not pay attention to cleaning can not print good prints. At present, the anilox roller cleaning methods are as follows.
1, manual cleaning method
The cleaning agent is applied to the surface of the anilox roller, and the chrome plated metal anilox roller is cleaned with a copper wire brush; while the ceramic anilox roller must be cleaned with a wire brush.
This kind of cleaning method is more convenient and will not cause pollution, but if it is not thoroughly cleaned, the effect of ink transfer will be affected. It is generally suitable for anilox rollers with low cable or not very dirty anilox roller.
2, strong corrosion chemical cleaning method
The corrosive cleaning agent (usually alkaline solution) is evenly applied to the surface of the anilox roller. If necessary, a layer of plastic product is wrapped on the surface of the anilox roller to prevent evaporation of the solution. The anilox roller is ablated for 1 to 48 hours until After the cured ink is sufficiently softened, the anilox roller is cleaned with water or an alcohol solution (acid solution such as acetic acid cannot be used) combined with manual cleaning.
This kind of cleaning method has good cleaning effect, but it has a certain corrosive effect on the anilox roller and will cause environmental pollution.
3, jet cleaning method
The baking soda softening cleaning medium is sprayed onto the surface of the anilox roller, and the solidified ink is crushed to achieve the purpose of cleaning. The baking soda is easy to dissolve, non-toxic, and the crystal body is easy to be broken when colliding with other substances, and will not damage the surface of the anilox roller and the ink cavern wall. Therefore, this cleaning method has a good cleaning effect and has promotion and Use value.
4, ultrasonic cleaning method
The anilox roll is immersed in an ultrasonic cleaning bath filled with a chemical cleaning solution. During the cleaning, the anilox roll rotates slowly. The frequency conversion device in the liquid pool, which can send high-frequency sound waves, starts to work, causing the solution to vibrate to generate bubbles and cause inward explosion. , continuous inward explosive force, the ink out of the network, with the flow of cleaning fluid, cleaning time is generally 15 to 45 minutes.
However, due to long-term vibrations, tiny cracks will appear on the surface of the ceramic anilox roll, and cracks will accumulate. This will allow high pH or crude chemicals to penetrate the porous ceramic coating and gradually corrode the substrate, thus affecting the texture. The life of the roller, therefore, should not be too frequent when cleaning the anilox roller, especially the ceramic anilox roller.
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