February 2010 PFFC

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Playing the Wrinkle Blame Game

Imagine you are an unwind operator. You unwrap the next roll of input material, splice it into the machine, and hit the run button. Then you see them — wrinkles. Wrinkles. Isn't that enough to get your attention? Of all the topics of web handling, only winding defects grab the attention of converters more than wrinkles, especially anyone venturing into thinner, wider, or stiffer webs. Wrinkles mean waste. The first step in fighting wrinkles is to find the source. As the unwind operator, there likely isn't much you can do at the slitter to ...

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