by on March 4, 2020
Science Nursing is divided points in total, as follows.
1. Since the mesh is glued to the frame by glue (whether it is a wooden frame or a metal frame), the angle of the screen frame should be sealed before using the screen. Generally, plate-making companies will apply one. Layers of glue are either sealed with glue; prevent ink or other solvents from penetrating into the net to cause it to loosen or fall off.
2. When using the screen version, you should keep the screen distance, as everyone knows. At this time, the pressure of the printing scrape should not be too heavy; at the same time, the distance between the ink return sheet and the screen should not be close to prevent friction, which will cause the photosensitive paste to become thin.
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