Release Date：2022-12-21 15:28:01 Popularity：
The screen printing process of GST centrifugal tube automatic screen printing machine equipment is that the ink passes through part of the mesh of the screen and then leaks on the substrate, and the rest of the mesh of the screen is blocked, and the ink cannot penetrate. The ink is poured on the screen during printing, and the ink will not leak through the mesh to the substrate without external force, but when the scraper scrapes the ink with a certain pressure and inclination angle, it will be transferred through the screen To the following substrates to achieve image replication.
Precautions for silk screen stretching:
1. Related parameters
In screen printing machine printing, the mesh size, wire diameter, screen weaving method and selected material directly affect the tension of the stretched net. When stretching the net, the tension of the screen is measured according to these parameters. When measuring the tension, the detected tension point should be 10 cm away from the inner edge of the screen frame, otherwise the measured tension is inaccurate.
2. Tension value
The maximum tension value referred to by the tension is the display of the specific mesh strength, that is, the maximum tension value that various meshes and different wire diameters can withstand and rebound. If the tension value exceeds a given value, the mesh will lose its elasticity. Become plastic deformation, which should be paid attention to in stretching.
3. Warp and weft tension
The unit of tension: Newton/centimeter (N/CM), which can be measured with a Newton tensiometer. The tensiometer can measure the warp and weft tension. The so-called warp tension of the screen is the tension in the winding direction of the whole roll of screen, that is, the tension in the printing direction along the edge; the weft tension of the screen is the tension in the width direction of the screen.
4. Screen material and diameter
The same material produces different wire diameters and different meshes, and its tension is different, that is, the same mesh mesh, its tension is different, that is, the same mesh mesh, the mesh diameter Different, the tension is different, because the degree of tension is proportional to the diameter of the mesh.
