12/06/2021

Steps to be done before film output

Steps to be done before film output       Film output may be used in the packaging and printing industry. Of course, some problems and steps need to be paid attention to when outputting film.Steps to be done before film output. 1. Format of documents      At present, most of the output centers adopt the square grid (pspnt) dot color separation output system, and some adopt Harlequin or Israel’s saiangel and other systems. However, there are similarities to supporting postscrit printer documentation.Steps to be done before film output.      That is, the suffix is. PS file. Currently popular design software: Photoshop, PageMaker, CorelDRAW, illustrator, etc. support PS printing. S2, PS2 and PS files generated by founder software such as founder book edition, thinking and leap can only be output by pspnt, which is not supported by other output systems.Steps to be done before film output.      In addition, word, WPS2000 and other language processing software can theoretically generat […]
12/06/2021

Offset overprint deviation control method

Offset overprint deviation control method     In some small and medium-sized packaging printing enterprises using single and two-color offset presses, the overprint deviation of four-color color printing is often a headache for workers. The front two-color overprint is generally no problem, but the overprint accuracy of the back two-color is more difficult to control.Offset overprint deviation control method.    Generally, measures such as reducing mechanical speed, reducing ink volume, adjusting ink fluidity and powder spraying can only be taken, but the effect is also great. The above measures affect work efficiency and product quality. At the same time, the operation is complex and greatly improve labor intensity.Offset overprint deviation control method.     In fact, overprint technology can be divided into dry overprint and wet overprint. The so-called wet printing refers to that both inks during printing are wet ink, that is, the previous color has just been printed, th […]
12/06/2021

Influence of source on exposure time in plate making

Influence of source on exposure time in plate making     In the packaging and printing industry, a variety of plate making knowledge is often used. In the exposure process of network version, the light curing reaction produced by emulsion is similar to the curing reaction of UV ink or other inks on printed matter.Influence of source on exposure time in plate making      Screen latex is sensitive to the wavelength of the mixed spectrum of UV light, blue and purple light. As the scraper repeatedly scrapes back on the screen during the printing process, the exposure emulsion must completely cover the mesh fiber after hardening.Influence of source on exposure time in plate making  Specifically, there are two factors that affect exposure 1. Exposure source.    The spectral characteristics and intensity of the light source are the decisive factors affecting the exposure. Screen emulsion is sensitive to UV in the wavelength range of 365nm-420nm. To completely cure the emulsion, it needs a cer […]
12/06/2021

Relationship between commodity packaging and users’ life

Relationship between commodity packaging and users’ life       After entering the cultural era, paper products have ushered in leaps again and again, and commodity packaging and printing has quietly entered people’s life since the beginning of commodity trading. Commodity packaging is the product of the common development of human material civilization and spiritual civilization. With the improvement of people’s living standards, it reflects its important value and changes its functional focus.Relationship between commodity packaging and users’ life.      In other words, in addition to protecting commodities and facilitating transportation and storage, it is more important to promote the sales of commodities and meet people’s aesthetic needs. Therefore, the first function of commodity packaging is to promote sales. Only by promoting sales can product manufacturers and operators find their own market.Relationship between commodity packaging and users’ […]
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