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How do we select the most effective wrinkle removal solutions?


Most anti-wrinkle rolls remove wrinkles. Concave rolls, grooved rolls, nip type spreader, bowed rolls and expanding surface rolls all remove wrinkles. They may vary in their aggressiveness and the amount of wrinkles they take out, but they all work to some extent to help with web wrinkle problems.

So how do you select the right one? Well, the question to ask yourself (and your supplier) is what are the rollers doing to my material in the long run? Especially with new directives handed down from your customers to run thinner materials.

Thinner materials wrinkle more because they are less stable than their thicker counter parts, so when you attempt to convert thinner gauge "stuff" you may get wrinkles where you never had them before. Be careful how you select your next anti-wrinkle roll to help solve this problem.

Anti-wrinkle rolls can harm and distort your thin materials (paper, film, foils, non-wovens). Bowed rolls and concave rolls have non linear faces, which will increase the tension profile of the web in certain areas and decrease it in other areas. This may stretch or distort your webs permanently. Grooved rolls and nip type spreaders have non smooth surfaces which may mark your web or cause different wrinkles.

So while these rolls do remove wrinkles, sometimes the most important question is - What am I doing to my materials by using these rollers? Often times these types of spreaders can cause more harm than good.

Try to find an anti-wrinkle roll with linear face and smooth surface. They aggressively remove wrinkles with zero web distortion and deformation.

For more information on our WrinkleSTOP spreader rollers, click here


**DISCLAIMER - A great deal of time has been invested in the development of our weekly tech tips. To the best of our knowledge, they are accurate. It is up to the user to verify all results.

THE AUTHOR ASSUMES NO LIABILITY CONNECTED WITH THE USE OF THIS INFORMATION OR THE RESULTS OBTAINED FROM IT.



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