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FLEXO Magazine : June 2011
FTA TODAY “Some of the benefits that both we and our clients are seeing are the increased ink densities with cyans at 1.8 and some blacks reported at 2.1 , and a noticeable reduction in pinholes in solids,” writes Dave Piercy, produc- tion director at VCG Connect in Bury, England. “[There is also an] ability to print very small text. We recently printed legible 2-point positive and reverse text. “ We are also seeing improvements in the longevity of printing plates due to the stability and robustness of the LUX dot,” he adds. The expanded gamut provided by the LUX process impresses Fernando Garcia Herrera, director general at the Mexican offices of Excel Print. “ We are able to expose a 0.4 percent dot and hold it, reproducing it 1:1. That is to say, we have not seen the typical reduction in dot diameter associated with the digi- tal technology that results in the loss of any dots less than 7 percent,” he writes. “Using the LUX process, we are able to cover the tonal range that is lost with the typical digital process even though the digital file includes all values. ” Herrera adds that the dot shape pro- duced using LUX technology allows an increased line screen without the neces- sity of purchasing new anilox rolls, up to 175 lpi. “ This allows us to print values that can be lost on gravure rolls due to wear.” MacDermid created the LUX process with the aim of making it easy and quick to use. According to Alberto Senado, di- rector general of the Mexican company Empresas Multibolsas Plásticas S.A . de C.V. , MacDermid achieved its goals. “ We are really surprised with how simple and easy it is to implement the LUX process, as our platemaking process has not changed by more than a minute per plate (the extra time required to go through a LUX proces- sor), and this really does not represent a real time since the digital reproduction is truly 1:1 and the face exposure has been reduced by a little more than a minute,” he writes. The benefits are cumulative, he adds. “ We have seen faster startup of our presses compared to previous plates. We have seen a reduction of at least 5 minutes for all of our production runs; if we add that to the fact that our facility has more than five presses, we can see how the savings multiply quickly. ” Sena- do anticipates further improvement as press operators familiarize themselves with using the new plates. LUX users say their customers have noticed an improvement in print quality. “ T he transition was invisible to our clients, other than improved plate performance,” writes Marek Skrzynski, director of graphics R & D at CSW Inc. in Ludlow, MA . “Our corrugated custom- ers report cleaner runs with sharper details, reduced fluting and smaller dot gain. CSW’s web clients point to longer plate life, expanded print gamut and predictable, repeatable results.” n www.flexography.org June 2011 FLEXO 35 second count. Make every Awarded for Technical Excellence It’s the ultimate in workflow acceleration, driving higher margins and slashing waste. Short run flexo now makes sense. It’s efficient. It’s profitable. Go to markandy.com /secondscount w ww.markandy.com
Sustainable Spring 2011