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There are many formats for packaging printing, including gravure printing, relief printing, lithography printing, and hole printing. The printing effects of these different printing forms are also different. Today, the editor of Hangzhou Printing Factory will tell you some knowledge about packaging printing.
By carefully observing the printed matter, one can also determine which printing form it belongs to based on its appearance. The ink printed on the lines is piled up, which is a concave copper plate or a concave steel plate printing product. Because the ink in the concave plate is piled up in deeper grooves, the ink is relatively thick. The screen is faintly covered with white lines and checkered patterns, with thick ink in the dark and light ink in the light, which is ordinary
Photogravure printing. The reason why there are white lines and checkered fabric patterns faintly covering the screen is that the sunscreen lines are added during plate making to prevent the scraper from scraping off the ink in the groove of the printing pattern during printing. If there are slightly raised marks on the back of the printed material, the edges of the lines or dots are neat, and the printing ink appears light in the center, it is a relief printed material. The raised edge of the print is affected by
The pressure is heavy, resulting in slight marks and protrusions.
Printing of bottles, cans, curved surfaces, and general circuit boards, often using perforated plates. Printing can also be divided into direct printing and indirect printing. Direct printing is when the printing ink on the layout comes into contact with the printed material, and the printing ink is transferred to the printed material. Indirect printing is the process of transferring ink from a layout to a rubber drum, which then moves the ink onto the printing material. Direct printing plate, with a reverse image on the printing image, between
Connect to the printing plate, and the printing pattern is a positive image.
There is a lot of knowledge and classification related to packaging printing. The packaging printing we see in daily life includes paper box printing, bottle and can printing, color box printing, etc. These diverse printing styles form a colorful packaging box.
I hope the introduction by the editor of Hangzhou Printing Factory can be helpful to you. Follow us for more news and information! If you don't understand those aspects, you can consult us and we will have professional personnel to answer them for you.
