How to solve the problem of screen printing in screen printing machine printing?

Screen printing machine printing screen printing adhesion is a printing failure problem often encountered in screen printing. This printing failure problem is caused by the fact that the screen distance between the screen printing surface and the substrate is not adjusted, the screen printing machine The screen version must have a certain distance during printing. Maintaining a certain distance between the two can prevent the screen and the substrate from sticking to each other, resulting in printing quality problems.


In the printing process of screen printing machine, there are many factors that affect the printing quality, and the mesh distance is one of the important factors affecting the quality. In most cases, the staff will make corresponding corresponding to the mesh distance in order to ensure the printing quality. Adjustment. Let's take a look at the control of the mesh distance during the screen printing process.


The effect of the mesh distance avoids the occurrence of this situation, so that the screen can only contact the substrate when the scraper is scraped. Once the scraper is scraped, the screen rebounds, and the screen and the substrate are detached instantaneously, so that no ink dragging occurs. Dirty and other phenomena.


The rebound distance is closely related to the mesh distance, but different from the mesh distance. Mainly refers to the distance that the screen is slowly rebounded back after the scraper is scraped, which occurs at the printing starting point and only occurs during the scraping process of the scraper, prompting the screen to quickly bounce off the substrate.


There are two ways to adjust the mesh distance between the screen printing machine and the substrate. One is that the screen printing machine itself has a device for adjusting the wind distance. Many automatic screen printing machines and some manual screen printing machines have some changes to the mesh distance. The adjustment method, but the problem is that these adjustments do not achieve good accuracy, only some of the higher-end presses have a gauge that can read the readings.


These presses have a special component that sets the mesh distance and requires the operator to fill the gap under the frame to change the peel distance. The other is that the screen printing machine itself is not equipped with a network spacing device, so people have developed methods and tricks for screen printers to determine and control the actual network spacing. One of the easiest ways to do this is to adjust it with a spacer or spacer. These shims are placed on the four corners of the printing platform, moving the screen to contact each shims, using different shims to create different spacing. Another simple solution is to use a ruler that is placed against the bottom of the frame along the edge of the printing platform or vacuum table to adjust the mesh distance.

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