introduction main printing process such a letterpress lithography gravure , offset ,silk screen etc
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Answer:
Printing processes
There is a wide variety of technologies that are used to print magazines, books, newspapers, stationery, posters, packaging, and other print products. The main industrial printing processes are:
- Offset lithography
- Flexography
- Digital printing: inkjet & xerography
- Gravure
- Screen printing
Additional printing techniques were developed for very specific applications. These include flock printing, letterpress, intaglio, pad printing, and thermography.
Why a certain job is better printed using one of these processes mentioned can be read on this page about choosing a printing process.
- Offset
In offset lithography, a printing plate, which is most often made from aluminum, contains an image of the content that needs to be printed. When the plate is inked, only this image part holds ink. That inked image is subsequently transferred (or offset) from the plate to a rubber blanket and then to the printing surface. The process can be used to print on paper, cardboard, plastic, or other materials, but these have to have a flat surface.