Ink-viscosity optimization and automation systems for gravure printing and coating: Part 1

Alex Nevels

While the latest printing presses are equipped with sophisticated quality control and automation systems, one of the most important variables in printing – ink viscosity – typically still is measured with inexact and cumbersome methods, such as efflux cups and falling-ball viscometers. Sensors that measure up to the accuracy operators expect from their color control and press adjustment systems enable on-line, automatic, dynamic control of viscosity within previously unattainable narrow limits, affording start-to-finish maintenance of print quality in even the longest print runs. Using accurate, repeatable viscometers with a responsive control system improves color quality and efficiency and reduces waste and emissions.

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