What are the quality requirements for printing plates of screen printing machines?
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- Issue Time
- Mar 21,2024
Summary
In our daily life, we see that many printed materials are printed by screen printing machines. Screen printing machines use a variety of plate making methods. Although the materials used are different and the processes are different
(1) Thickness of printing surface film
The thickness of the printing surface of the screen printing plate affects the thickness and clarity of the imprinted ink layer. It has a greater impact on small images, and may even change the tone value and color of the dots. When the product requires a thick ink layer and thick lines, the corresponding requirement is that the printing film should be thicker. Normally, the thickness of the plate film that is most conducive to ink transfer is: screen thickness + 6μm ~ 8μm. The film thickness can be measured with a film thickness meter. Silk printer
(2) Reproducibility
Reproducibility refers to the ability of the screen printing machine plate to reproduce the original image. It is reflected in the accuracy, clarity, resolution and other aspects of the screen printing machine printing plate.
The accuracy of the printing plate of the screen printing machine. The accuracy of the printing plate of the screen printing machine refers to the position and size accuracy of the graphics and text on the printing plate. It is related to the raw and auxiliary materials used in plate making and the method used in plate making.
The clarity of the printing plate of the screen printing machine. In photography, sharpness refers to the degree of change in edge density of the image on the film. In silk screen printing, it refers to the neatness of the edges of the image in the horizontal and vertical directions. It includes three elements: sharpness, bridging and smoothness.
(3) Printing durability
Print durability refers to the ability of a printing plate to withstand the number of printings. The printing plate durability should be suitable for the screen printing task. Silk printer
(4) Mold releasability of screen printing machine printing plate
Mold release refers to the ease with which the film is removed from the screen of the printing plate. After plate making fails or the printing task is completed, demoulding is required in order to regenerate the screen. The demoulding operation should be simple, economical, and cause little damage to the wire mesh. Silk printer
The above quality requirements of the screen printing machine printing plate are shared here. The performance indicators of the screen printing machine printing plate can be expressed as: the reproducibility of the screen printing machine printing plate, the thickness of the printing surface film, the printing durability of the screen printing machine printing plate, the screen printing Release properties of machine printing plates.