Monday, October 7, 2024

Bobst smartGRAVURE unveils a new era for gravure printing efficiency

With smartGRAVURE, Bobst has achieved a game-changing leap forward for gravure printing. smartGRAVURE represents a significant evolution in gravure printing, transforming a traditionally manual process into a streamlined digital workflow.

The traditional advantages and disadvantages of gravure are well known. While it enables high-quality printing and high-speed production with excellent consistency, the setup is timely and expensive, resulting in longer production lead times and making small print runs non-viable. In addition, gravure printing traditionally has had some challenges around manual and time-consuming color adjustment compared to other printing methods like offset or digital printing, and there are also some sustainability challenges around the use of solvent-based inks. Bobst claims that smartGRAVURE changes all that.

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Bobst has developed smartGRAVURE for its gravure machine platform Master RS 6003. smartGRAVURE offers an end-to-end digitalized process, which enables printers to meet and exceed the highest industry standards with ease. It overcomes the set-up time and tuning required with gravure printing, which requires high level operator skills. With offline setup and automatic selection of the optimal process data for each new job, the machine frees up press time and disengages from the operator skills level.

Therefore, the optimal settings for each print job are automatically determined by smartGRAVURE at the push of a button, while the system continuously ensures that the gravure machines operate with the optimal production parameters during the printing process. Compared to the previous manual setup process, the time required is minimized, input errors are reduced, and waste during setup is significantly lowered.

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With Extended Color Gamut (ECG) printing, digitalized setup and controls, and connectivity with Bobst Connect, smartGRAVURE increases productivity and output consistency, reduces downtime and complexity, and offers considerable sustainability benefits.

oneSET, onePRINT, oneECG

smartGRAVURE is modular. The complete system includes three components – oneSET, onePRINT, and oneECG – each offering various benefits and collectively revolutionizing the gravure printing process.

oneSET is part of the Bobst Connect recipe management function. It is 100% automated, meaning a fast and accurate machine set-up. After taking over the customer’s order data in the form of PDF files, the system suggests the most suitable and efficient machine settings on its own. Importantly, this step no longer needs to be performed on the printing machines but can be moved to the prepress stage. One click is enough to transfer the offline-created recipes to the print queue of the machines.

onePRINT is an innovative new inking system with in-line and fully automated process color measurement and adjustment, significantly relieving machine operators. Continuous monitoring and adjustment of the process colors are based on measurements with an inline spectrophotometer. This provides input for the onePRINT color control, which when combined with oneECG ensures reliable color stability from the first to the last print.

The new system limits the amount of ink in the color circuit to the necessary minimum, reducing ink in the machine by over 50% compared to conventional gravure solutions and reducing ink waste simultaneously.

oneECG is Bobst’s technology for fixed palette printing, now available for gravure printing and an essential element of digitizing this printing process. oneECG works with a fixed set of up to seven printing inks, so gravure printers only need to change the printing cylinders for job changes, while the inks remain in the printing machines. This reduces ink waste. A digitalized version of ‘color matching’ can therefore be performed in the prepress stage – before the print jobs are transferred to the machine controls.

NewsDesk
NewsDesk
The editorial team of The Packman who handle all the press releases with Sunil Jain working as the desk editor.

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