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FLEXO Magazine : January 2012
manufacturing process exclusively designed for the manufac- turing of controlled displacement cushioning, provides a total tolerance of +/-0 .0075-in within a roll, and +/-0 .001-in. from roll to roll.” In addition, he says, “Any printer that has embraced FIRST knows the importance of having predictable results from all the components that comprise their print package. It is dif- ficult enough to control the variation of each component, in combination with the various skill levels of any given operator, and age of the printing equipment. Controlled displacement cushioning takes the guesswork out!” EARLY EXPERIENCE Controlled displacement cushioning was first introduced to the flexo newspaper industry four years ago. In this market, a cellular cushion typically last three-to-four months. If there is a web wrap, not only do the cushions involved in the wrap need to be replaced, but so do all the cushions on the deck need replacement, due to the fact that they are no longer at their initial gauge. That’s not the case with controlled displacement cushions, according to the maker. “ When a newspaper press experienc- es a press wrap with a displacement cushion, simply remove the paper, and start running again, there is no need to replace any of the cushions. In fact, for the most part, cushions placed in service four years ago are still in production. It’s this history that allows us to make the claim that controlled displacement cushions are a crush proof alternative to cellular foam. ” More recently, wide web flexible packaging customers are now experiencing the technology ’s benefits ChannalBAC is designed to be a drop-in replacement for 0.020-in. tape. This means a printer does not need to change graphics. No new fingerprints are required. No change in cut back curves are necessary. In fact, there is no need to change any existing technology that is currently utilized. Simple adjustments in plate-mounting practices are all that’s required. The following is a partial list of benefits to expect from using controlled displacement cushions: faster make-ready, extended plate life, faster run speeds and quality and consis- tency throughout long runs. ChannalBAC is competitively priced at $371.00 per 18-in. X 25-yd. roll. The chart accompanying this article shows the results at one flexible packaging customer that ran two simi- lar jobs back-to-back. ChannalBAC delivered a 37 percent increase in press speed after the elimination of bounce and reduction in press stops for plate cleaning. With ChannalBAC the first roll off the press matched the last roll off. Impression and anilox settings remained consis- tent. With cellular foam tape, the press ran slower, the image quality deteriorated over the run as the foam lost thickness and impression was added to compensate. n www.flexography.org january 2012 FLEXO 53