The printing rubber roller is used for printing machinery, as a rubber roller for imprinting, adjusting ink and transferring ink. Its role is to transfer water and ink to the printing plate. The choice of rubber material and the manufacturing process will affect the quality of the rubber roller. The different rubber roller quality determines the quality, effect and efficiency of printing. The surface roughness of the printing rubber roller is an important property that affects the transfer of ink and fountain solution by the rubber roller. Therefore, surface roughness plays a vital role in printing. It can accurately measure the amount of ink and water transferred, maintain the balance of water and ink, and stabilize the water and ink to ensure the stability of printing color. At the same time, it can separate the uniform ink film and water film to ensure smooth and continuous transmission of ink and fountain solution, and form the accumulation of ink and fountain solution to make up for uneven defects caused by the transportation link. However, in the actual printing process, the rubber roller is often in contact with chemicals. Some residual impurities accumulate on the rubber surface of the rubber roller. Some of the residue can be cleaned with water or solvent, but there are still a few impurities remaining in the micropores on the rubber surface. bottom. These residues accumulate in the hole for a long time. Under the action of printing pressure and heat, the surface of the rubber roller will eventually lose its micro-porosity and appear to wear, causing glaze, that is, glaze. In order to save costs, some companies use some cleaning agents that have poor cleaning ability or have too many residues to clean the rubber rollers, but these will speed up the glazing process. If it is not handled in time, the glaze layer will become thicker and thicker, which will eventually cause great harm to printing. Once the rubber roller has glazed phenomenon, the rubber surface area will be greatly reduced, the hardness will be increased, the strength will be reduced, and the transfer performance of the ink and fountain solution will be poor, resulting in difficulty in printing. Glaze hardens the surface of the rubber roller, reduces the elasticity, and increases the printing pressure, which makes it difficult to adjust the pressure of the ink roller and the water roller. And directly lead to insufficient ink density, slow drying, unstable ink-water balance, increased paper waste and difficulty in cleaning the rubber roller. After all, the surface structure of the rubber roller lies in the selection and maintenance in use. The surface roughness of the printing ink roller is generally required to be 6-20 μm, and the surface roughness of the water roller for alcohol fountain solution is 4-10 μm. If you want to increase the water carrying capacity of the rubber roller, you can grind the surface very finely. Alcohol water roller with surface roughness of 2 ～ 6μm. After the selection, if you want to maintain a good surface structure, you should pay attention to the usual cleaning and maintenance. If you need an all-in-one solution for your playground, then our range of multi-play structures is the perfect fit. Encompassing a combination of exciting movement activities, simple balance challenges and socialisation opportunities, this Playground Equipment is perfect for encouraging all aspects of child development. Available in a variety of shapes, sizes and styles, we have a structure that is perfect for every occasion and every playground. Backyard Play Structures,Multiplayer Game Structure,Hpl Multi Play Structures,Multiplay Play Structures Shenyang Golden Childhood playground equipment CO.,LTD , https://www.outdoor-playground.com
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The effect of the surface structure of printing rubber roller on printing