Large format small print
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In the printing process, a pattern is often used to print a base color, such as securities, trademarks, and decorative prints. These product specifications vary and the number of prints varies greatly, but the shading plates are often versatile. Therefore, it is possible to maximize the preservation of old printing plates, continue to make full use of it, and exert its maximum efficiency, which has a positive effect on improving economic efficiency and enhancing the vitality of embossing.
However, due to the limited number and specifications of some products, small-sized paper is often used for printing. It is not necessary to re-create a textured version of a correspondingly-sized printing format. Because there are old versions available, some printers often cut the eight-open version into a nine-page print or cut into twelve prints, even smaller prints. Although this is more cost-effective, it can save the trouble of making a new version. But if you want to reprint the big page next time, the old small layout will not be able to print a large layout. I had to make a new printing plate with a large layout. It can be seen that using the "cutting method" to achieve large-format printing of a large format will inevitably lead to an increase in production costs and unnecessary economic waste. In response to this situation, the author has changed the traditional production methods through in-depth exploration and practice. Innovative and improved the printing process technology of “Large Print”, which kept the old specifications of the original pattern intact and saved the funds effectively. When the transfer is smaller than the original size of the film, the necessary "strain" measures can be used to make the excess layout non-stick ink, nor contact the package lining, to achieve normal printing, and receive good printing results.
According to the theoretical concept of printing “Sanping” and the practical results, the flatness of the printing layout is the basic requirement for accepting uniform brushing and satisfying uniform printing pressure. Then, the soft solid resin plate with soft texture can break the "conventional" on the stencil in the stencil, so that the excess stencil can be sunken, and the ink of the ink roller can not be obtained, and the embossing is not produced. Traces do not cause damage to the lining of the package. For the printing layout, as long as the layout is suitable, the ink can be evenly brushed to meet the normal printing conditions. It can be seen that from the principle of printing "Sanping", it is possible to extend the idea of breaking the condition of printing plate in the printing of "Sanping", thus providing theoretical and practical implementation for the realization of the process of printing "big print". in accordance with. Based on the above ideas, the author has produced the idea of implementing the new process of “big print” by implementing the uncut version. Through bold practice, it has achieved initial results in production.
Now, an example will be described. For example, on a 8K format of a printing plate (shading plate) of 39×27 cm, a 26×18 cm 18K product is to be printed. In order to completely maintain the original format, when loading the plate, first cut a piece of 350g white paper of 26×18cm size, and stick it with the double-sided tape of the corresponding area on the back of the 8K shading plate (aligning the two sides of the vertical and horizontal sides) Yes, the entire back side of the printing plate (including the white plate part of the pad) was directly bonded to the plate with a double-sided tape of 39×27 cm, and then pressed tightly. In this way, in the layout of the 26×18cm web, due to the multi-padding of a whiteboard paper and a layer of tape, it is obviously higher than the non-printing layout, so that the printing layout can be normally inked and embossed. The unpadded layout is slightly lower, so there is no ink brushing, and there is a certain gap with the surface of the lining, and does not damage the outer lining, which can meet the printing conditions and requirements of the "big print". Due to the soft and elastic texture of the thin resin plate, the difference in the size of the plate is achieved, and the conditions required for printing are achieved. In this way, the old version of the "large specification" can be used to print various small-sized products, and a multi-purpose version can be realized, which can be large or small, flexible and convenient, and greatly improves the utilization rate of the printing plate.
Over the years, every time I print a variety of general-purpose shading patterns, I can achieve "big print" printing without cutting the plate, which not only saves a lot of plate making time, but also greatly shortens the production cycle and improves production. Efficiency and economic benefits. Especially because of its simple process, fast operation and good printing effect, it has won customer satisfaction.