The principle of offset printing

The principle of offset printing

http://www.cutcnccam.com/article-show-201112794940.shtml
The diagram shows the basic offset litho printing process. Ink is transferred from the lithographic surface to an intermediate rubber surface and then to paper. The rubber transfer cylinder runs in contact with the printing-plate cylinder and receives the inked image from it; this image is then offset onto the paper. The rubber cylinder keeps the delicate printing plate from coming in contact with the printed object. Very long printing runs, or periods when the plates are not changed, are thereby made possible, and the faithfulness of reproduction and sensitive shading, unique to lithography, are preserved. The rubber intermediate, called a blanket, can transfer ink to paper and to a wide variety of materials that cannot be printed directly, including plastics and metals. Because the soft blanket conforms to the texture of the surface to be printed, lithographic image quality is unrivalled.
CUTCNC offer offset printing blanket cutting machine to cut the offset blanket, our machine can cut it with high speed and high precision, can make the save mach labor and material.

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