Watermark Production for Banknotes
Papers with watermarks are created on a metal sieve, into which contours are embossed and metal platelets are welded.
The liquid paper pulp is applied to the metal sieve and dewatered through the sieve. In areas with elevations on the sieve, the paper becomes thinner. These areas are visible as watermarks in the finished paper.
The automatic system for watermark production clamps the metal sieve independently. All embossing and tool change processes, including annealing and laser cutting, are fully automatic.
The tolerance for the embossing force is max. 1‰ of the programmed embossing force.
Grossmann B.V.
Markt 19
NL6071 JD Swalmen
Info@grossmann.de
