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What is the principle of silk screen printing and what is the screen printing machine?

2022-10-11 08:46:15
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In fact, silk screen printing should be explained briefly. Many people have seen teachers printing test papers when they were young. This method is actually the principle of silk screen printing. At that time, teachers used this kind of mimeograph on test papers. Professional silk screen printing was painted on the screen. A layer of photosensitive glue, and then after the photosensitive glue is coated, use this to dry it. This kind of film is screen-printed on the mesh on the computer, and the photosensitive glue on the mesh is exposed to the sun, and then rinsed with water, and the picture with the picture can be painted. Rinse off locally, then the local ink with photosensitive adhesive will not leak at this time, this is his basic principle. The silk screen printing process is simple and can even be printed manually, and the cost is low. However, because the ink printed manually is very thick and the color superimposition effect is poor, it is mainly printed with color block images.

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The screen printing machinekind of form. Silk screen printing technology is also widely used in post-processing of offset printing products, such as UV frosting and other processes. The words printed on the keyboard, U disk and electronic components that you usually see, the words printed on the chip, and the buttons and brands on some electrical appliances are all silk-screened.
The process of silk screen printing is roughly divided into four processes: computer plate making, output, screen printing, and printing. It is different from offset printing. Offset printing is printed on the rubber first and then printed on the substrate, so silk screen and offset printing It is different because one center has one more process, and one center has one less process, which is just different; the screen printing machine equipment is divided into vertical, horizontal and horizontal scraping screen printing machines and oblique arm screen printing machines. One is the fully automatic machine mentioned above. It is a semi-automatic machine, these are basically common sense in the silk screen industry, hope to help readers!


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