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Top performance of LED UV Technology Proven on ROLAND 700 HiPrint

Labanti e Nanni upgrades its existing 10-color ROLAND 700 HiPrint press with UV LED.

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By: DAVID SAVASTANO

Contributing Editor, Coatings World and Ink World, Coatings World and Ink World Magazine

UV LED is giving a new dimension to Bologna-based Labanti e Nanni Industrie Grafiche Srl. Labanti e Nanni is a major player in the domestic and European printing markets since 1953. Cardboard packaging, brochures, magazines, various leaflets and instruction sheets are its principal products.
 
For the first time, the company installed two LED UV lamps onto an existing 10-color ROLAND 700 HiPrint press. LED UV drying technology is a proven energy and cost saver, according to test results at the Print Technology Centre in Manroland Sheetfed’s headquarters in Germany.
 
LED drying equipment usually needs only 50%-70% of the power required by LEC-UV and 20%-30% of the power required by UV equipment. Significant environmental benefits can also be derived due to the powderless printing process, much lower curing temperature and lesser power consumption.
 
“We have tested LED on different substrates,“ said Ing. Bonacini, the owner of Labanti e Nanni. “We printed in perfecting with LED CMYK spot colors, opaque white and varnishes achieving an outstanging result. We have obtained the best result with the 8 colors printing (1 white + 7 colors ) on transparent plastic material/50 micron with a perfect register thanks to the low temperature of the lamps.
 
“What’s more, the LED UV lamps are very efficient. For the standard jobs, a very good curing result can be achieved already with only 40% of the possible LED power. For smaller formats, it is also possible to switch off the LED segment. In this way, we can save much more energy and cost.”

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