syväpainolevyjen
Syväpainolevyjen, also known as gravure cylinders, are specialized printing plates used in the gravure printing process. Gravure printing is a high-quality intaglio printing method where the image is etched or engraved into the surface of a cylinder. These cylinders are typically made of metal, often steel, which is then coated with a layer of copper. The printing image is created by engraving or etching small cells or cells into this copper surface. The depth and size of these cells determine the amount of ink that can be held and transferred to the substrate, thereby controlling the tone and color density of the printed image.
The process of creating a syväpainolevy involves several steps. First, a design is transferred to the copper