On the Straight and Narrow-web

He mentions the problem of web "snap-back," in which a film, which has been printed while under tension, snaps back to its original length with a slightly shorter image. Fortunately, some servo-driven presses solve the problem by speeding up the web relative to the tooling.

From the folding carton perspective, Raney is convinced the chief flexo process challenges are in the area of vignette printing. As he describes, "When the dot falls below 5 percent good results can be achieved, but often frequent stoppages are required to clean the plate during the run." He supports good design work as the best solution to the problem.