Printing machinery7

2022-03-12 17:58

Printing machinery

The graphic part of the printing plate surface of the lithographic press is almost on the same plane as the blank part. It uses the principle that water and oil repel each other to make the graphic part resistant to water and oil, and the blank part resistant to oil and hydrophilic without ink. Under the action of pressure, the ink of the inking part is transferred to the surface of the printed matter, so as to complete the printing process.

After the adoption of indirect printing method, lithographic printing machines have developed rapidly with many varieties, such as micro offset printing machines for office use, large, multi-color and high-speed offset rotary machines for books, newspapers and magazines, and lithographic printing machines for flat paper or web paper, single-sided printing or double-sided printing. Among them, monochrome Offset Press and web offset press are representative. Electronic computer control devices have been widely used in lithographic presses, and the technology is becoming more and more advanced. Plate making equipment has also developed to the use of electronic color separators, and pre coated photosensitive plates are widely used.

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FOSHAN QUANTONG IMP & EXPORT CO., LTD.
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WeChat:+86-18929938807 Email:qt0757@163.com Tel:+86-757-82771149 ADD:D HALL ,SHIWAN SANITARY WARE CITY, JIANGWAN ROAD,FOSHAN,CHINA

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