Printing pressure is the basis for printer design and ink transfer to the surface of the substrate. Printing pressure is not only the fundamental guarantee for realizing the printing process, but also determines the printing quality to a large extent.
The printing pressure generally refers to the pressure on the embossing surface of the embossed body in the ink transfer process, that is, the pressure along the normal direction of the embossing surface and the embossing surface.
The surface of the embossed body is rough and uneven. Inevitably, there is an error in the process of manufacture and assembly. Only under the influence of the printing pressure, the surface of the embossed body may be fully contacted to perform ink transfer. So fundamentally speaking, the function of printing pressure is to force the embossed body into full contact to facilitate the transfer of the ink. However, the pressure of printing is not as great as possible, but it should be moderate. Excessive printing pressure will increase the wear of the printing plate and increase the load on the printing press. If the printing pressure is too low, it may cause poor contact between the printing material and the ink, and the ink transfer amount is insufficient. The ink on the printed matter is light and unclear.
Factors that affect printing pressure:
The composition of the lining and its soft properties.
Printing speed in printing conditions.
Paper smoothness in print suitability.
Printing method.
Printing quantity.
Print content.
Therefore, the printing pressure is very important. Many changes in the parameters that affect the printing quality, such as solid density, relative contrast, dot percentage, and overprinting rate, are caused by excessive or too small printing pressure. Therefore, the printing pressure must be moderated according to the printed matter. When printing with a CTP plate, the adjustment of the printing pressure is the same as that of the conventional printing adjustment, which is adjusted according to the thickness of the paper.
The printing pressure generally refers to the pressure on the embossing surface of the embossed body in the ink transfer process, that is, the pressure along the normal direction of the embossing surface and the embossing surface.
The surface of the embossed body is rough and uneven. Inevitably, there is an error in the process of manufacture and assembly. Only under the influence of the printing pressure, the surface of the embossed body may be fully contacted to perform ink transfer. So fundamentally speaking, the function of printing pressure is to force the embossed body into full contact to facilitate the transfer of the ink. However, the pressure of printing is not as great as possible, but it should be moderate. Excessive printing pressure will increase the wear of the printing plate and increase the load on the printing press. If the printing pressure is too low, it may cause poor contact between the printing material and the ink, and the ink transfer amount is insufficient. The ink on the printed matter is light and unclear.
Factors that affect printing pressure:
The composition of the lining and its soft properties.
Printing speed in printing conditions.
Paper smoothness in print suitability.
Printing method.
Printing quantity.
Print content.
Therefore, the printing pressure is very important. Many changes in the parameters that affect the printing quality, such as solid density, relative contrast, dot percentage, and overprinting rate, are caused by excessive or too small printing pressure. Therefore, the printing pressure must be moderated according to the printed matter. When printing with a CTP plate, the adjustment of the printing pressure is the same as that of the conventional printing adjustment, which is adjusted according to the thickness of the paper.
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