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FLEXO Magazine : October 2012
Your finishing operators know this too. The new VLI delivers greater precision and speed of inspecting, slitting and rewinding. And that means quicker turnaround and perfectly finished rolls, every time. Speed and precision. www.rotoflex.com IT’S NOT ONLY THE SPEED OF THE STEEL,BUT THE PRECISION OF THE CUT AT THE CUTTING EDGE Do you make the cut? Find out at rotoflex.com /thecut RF_FlexoMag_4.5625x7.375.indd 1 4/16/12 4:29:48 PM to “outrun” the oxygen effect and pro- duce flat-topped dots. All systems are fully commercial today and with the exception of Flexcel, all work with standard LAMs based digital plates. It is worth noting that recent testing and market feedback suggests that there may be two other areas where flat-topped dots bring benefits to flexog- raphers. Some tag and label printers have reported a reduction in “gear marks” when using flat-topped dots with water based inks on paper substrates. In addition, some folding carton printers have reported a reduction in “mottle” when printing on economy grade board stocks. Documented results are prelimi- nary and have not been fully validated, but they are worth keeping in mind when considering your workflow options. PUSHING IMAGING’S BOUNDARIES The resolution, screen type and de- velopment of customized screening pro- grams has an enormous impact on the final printed product, and the plateset- ter manufacturers jumped in with a vari- ety of enhancements. Dainippon Screen increased the resolution of its family of flexo CTP units from the industry stan- dard of 2400-2540 DPI, to 4,800 DPI, and then supplemented the traditional AM screening programs with Flexo Dot: a combined AM/FM approach to improve dot holding in highlight areas. Not to be outdone, Esko began offer- ing a 4,000 DPI option and introduced HD Flexo; a screening program with separate components designed to improve the highlights and the solid colors. For the highlights, HD Flexo con- Next generation digital plates, such as DSP and DFP, have demonstrated significantly higher solid ink density with reduced pinholing and less haloing. The engineered surface on digital plates, such as Cyrel DSP and DFP, provides improved solid ink density and reduced pinholing, while holding a finer highlight with less dot gain than traditional capping layers. www.flexography.org oCTober 2012 FLEXO 35