BOBST has introduced a new version of the MASTER 6003 gravure press, incorporating a revised ink supply system with automated functions.
The updated press is designed to cut the volume of ink in circulation by 60% and reduce solvent consumption by up to 40%, the company said.
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The LeanPrint inking system changes the route between the ink tank and the pan and uses redesigned pipework.
The lower circulation volume means less ink is exposed to the atmosphere during production.
A revised pan movement system enables rapid and smooth “precision positioning of the pan” in relation to the cylinder.
This supports controlled ink transfer at “high speeds” without manual adjustment, the company said.
The press also includes integrated functions for measuring ink use and energy consumption.
Pressure measurement devices provide real-time information on the ink used for a job, the ink circulating in the press, the prepared ink remaining, and the estimated quantity needed to complete production.
The energy monitoring function tracks electricity and compressed-air consumption in real time. It is intended to help identify inefficiencies during production.
The measurement systems also provide records of resource use, supporting traceability and documentation for regulatory and customer reporting requirements.
An automated cylinder engraving pre-washing system is installed at each unit. It removes dried ink from the smallest engraved cells without manual cleaning.
Cleaning cycles run on all required stations and finish within one minute. This reduces makeready time and the risk of delays between jobs.
BOBST gravure process R&D manager Davide Rossello said: “With the new MASTER 6003, we have focused on evolving a proven gravure technology with solutions that reduce consumption, automate routine processes and provide greater visibility of production.
“The press delivers on a simple objective – to improve the economics of the gravure process, without asking the customers to change the way they work.”
