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FLEXO Magazine : August 2011
44 FLEXO august 2011 www.flexography.org Wide Web In-Line Converting the stack Press Makes it Reality T-shirt bags, paper bags, cement bags, pet food bags—when it comes to postprint converting of large packaging in a flexo pressroom; one commonly finds a sometimes simple, sometimes sophisticated stack press driving the operation. Such machines, available in 1-8 color configurations, take their rightful place in the converting line, where they ’ve been deployed for decades and decades. They are most often installed “upstream” of bag machines that pump out the aforementioned product lines; and “downstream” of extrud- ers, in cases where a 1 or 2-color press is dedicated to a THE STACK PRESS & HOW IT STACKS UP • Simple machines, competitively priced. • Substrates accommodated include: paper, paper- board, preprinted liner, aluminum and tubular films. • Web widths extend to 94-in. • Repeats of 50-in. possible. • Available sleeve technologies facilitate fast change- over. • Drys on the fly. uteco’s Quartz, 6 -color stack press, one of the latest models to hit the market. Photos: uteco. TEchnologies & TEchniQues