What are the quality requirements for the printing plate?

In our daily life, we see a lot of printed matter printed by the pad printing machine. The pad printing machine uses a variety of plate making methods. Although the materials used are different and the process is different, the printing of the pad printing machine is suitable for the printing of the printing plate. Sexual requirements are consistent. So how much do you know about the quality of the pad printing plate?


(1), printing resistance

Print-resistance refers to the ability of a plate to withstand the number of prints. The printing durability of the printing plate should be compatible with the silk screen task.


(2) Reproducibility


Reproducibility refers to the ability of a pad printing plate to reproduce an original image. It is expressed in the precision, clarity, resolution and other aspects of the printing plate.


1. The accuracy of the pad printing plate. The accuracy of the pad printing plate refers to the position and dimensional accuracy of the graphic of the printing plate. It is related to the original and auxiliary materials used in plate making and the methods used in plate making.


2. The clarity of the pad printing plate. In photography, sharpness refers to the degree of change in the density of the edges of the image on the film, and in screen printing, it refers to the degree of alignment of the edges of the image film in both the horizontal and vertical directions. It consists of three elements: shoulder sharpness, bridging and flatness.


(3), the thickness of the printing mask film

The thickness of the screen on the screen printing surface affects the thickness and sharpness of the ink layer of the imprint, especially for small images, and even changes the tone value and color of the dots. When the product requires thick ink layers and thick lines, the corresponding film should be thicker. In general, the thickness of the film which is most advantageous for ink transfer is: wire thickness + 6 μm to 8 μm. The film thickness can be measured by a film thickness meter.


(4) The release property of the printing plate

Release property refers to the ease with which the plate is removed from the screen of the plate. After the plate making fails or the printing task is completed, in order to regenerate the screen, demolding is required. The demoulding operation should be simple, economical, and the screen damage is small.

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