| 摘要 |
FIELD: printing.SUBSTANCE: invention relates generally to the field of intaglio printing for production of securities, in particular banknotes. The system for manufacturing an engraved plate for intaglio printing of securities comprises a computer and at least one engraving tool controlled by the said computer according to a programmed engraving process, and the said computer is programmed to control the said engraving tool in accordance with the three-dimensional control pixel data (X, Y, Z) of a reference depth map of one of the said sheet to be engraved of the non-engraved plate from pixel to pixel, and the reference depth map is formed on the computer based on at least one computer stored original depth-map consisting of a three-dimensional raster image of at least a portion of one of the said security.EFFECT: reduction of processing time and cost of manufacture of plates by intaglio printing method is achieved by eliminating tedious steps of engraving vignettes and portraits by hand, simultaneously maintaining a high level of quality of plates by intaglio printing method, produced conventionally, that is obtaining of very thin-cut gravures.18 cl, 9 dwg |
