Heidelberg Label Days bring together label manufacturers from around the world

Friday, October 18, 2013

Press release from the issuing company

Label printing is a growth market 

Today, labels make up around 20 percent 1 of the packaging printing segment worldwide. Global demand is currently growing at around 4.5 percent 2 a year and production was approximately 49.2 billion square meters in 2012. The share of labels printed on sheetfed offset presses is growing strongly at present. With the growth rate at "just" 12percent 3 from 2006 to 2010, the print volume for this technology is expected to increase by 65 percent 4 between 2010 and 2016. "This market segment still offers a great deal of potential for many print shops," said Heidelberg Management Board member Marcel Kiessling at the opening of the Label Days event. "The shift from flexographic to sheetfed offset printing shows that this technology meets the manufacturers' requirements for quality, productivity, flexibility, and sustainability in every respect. Our packaging printing solutions are ideal for label production." 

Growth of inmold labels 

Label Days focused on the production of inmold labels made of polypropylene (PP) in sheetfed offset, complete with workflow and postpress. Although this market segment currently makes up only around 2 percent 5 of the total volume of label printing worldwide, it offers interesting growth potential, with average growth rates of 5.6 percent 6 forecast through to 2020. 

Heidelberg demonstrated the highly productive manufacture of inmold labels in sheetfed offset on a Speedmaster XL 106-6-P+L with a CutStar sheeter. The machine processed a print job using a 60 µm EUP film from manufacturer Treofan in perfecting mode at a speed of 10,000 sheets per hour. In straight mode, a transparent 57 µm ETH film was printed at a speed of 12,000 sheets per hour. The jobs were printed using UV inks and a water-based coating. The sheets were dried using UV interdeck dryers and a DryStar UV Combination dryer in the quadruple-length delivery. Heidelberg offers its customers full flexibility in this area, with drying solutions developed specifically for this segment involving additional drying units located after the coating unit. 

"This perfecting press is an absolute first for the production of inmold labels printed on both sides," says Felix Müller, Head of Product Management Sheetfed at Heidelberg. "Given the growing demand for more information on packaging, this solution gives manufacturers the opportunity to print promotions or consumer protection information on the back of an inmold label, for example." 

Heidelberg is the only printing press manufacturer to offer the Speedmaster XL 106-D rotary die cutting press for finishing film sheets. Customer demands for a more cost-effective alternative to flatbed die cutters prompted Heidelberg to develop a new solution back in 2008. In the meantime, eleven rotary die cutting presses have been installed worldwide. Thanks to makeready times of approximately 15 minutes at production speeds of between 6,000 and 10,000 sheets per hour, the Speedmaster XL 106-D handles far more jobs each day than a flatbed die cutter, while the die cutting costs are around a third lower. 

"Using a rotary die cutter for the production of inmold labels is not only more cost-effective but also more flexible," says Paul Herrod, Managing Director of Australian label manufacturer John Herrod Associates. The company produces all its inmold labels on a Speedmaster CD 102 and die cuts on a Speedmaster XL 105-D. "Fast job changes and much lower die cutting costs enable us to operate successfully on the market and remain competitive," says Herrod. 

The Speedmaster XL 106 and presses in the Speedmaster CX 102 and XL 75 series are also ideal for the production of inmold labels. Printing can be performed using conventional inks and coatings, UV-only mode or a combination of UV and conventional. 

Premium surface finishing for wet glue labels 

A demonstration on a Speedmaster XL 106-LYY-8-LYYL with the FoilStar cold foil module ("L" stands for coating unit, "Y" for drying unit) shows how eye-catching wet glue labels, e.g. for drinks packaging, can be produced both efficiently and flexibly using sheetfed offset printing. The two coating units before and after the printing units can be used, for example, to create attractive matt/gloss combinations. The modular cold foil module also enables partial metallic gloss effects, with the inline surface finishing solution delivering significant time and cost savings throughout the process compared to offline solutions and full area, film-laminated substrates. 

The Dymatrix 106 Pro CSB die cutter from Heidelberg ensures efficient finishing of wet glue labels after printing. The stripping tools are easy to set up and work with the utmost precision, so that even complex jobs can be produced reliably and with a high level of productivity. The stripping and blanking station enables reliable stripping of the tiniest pieces of waste and supports clean separation, even with small repeats. 

The Prinect Packaging Workflow for label printing 

Heidelberg has expanded its Prinect Packaging Workflow to include functions for label printing. These include, for example, a graphical object editor for the one-up check and tools for sheet optimization, including the creation of mixed forms. As the "central instance", the workflow supplies the press(es) with color data from prepress as presetting data, ensures transparency of the production status at all times, and allows for the analysis of actual production data for further process optimization. This significantly improves the efficiency of label production. 

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