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Home March 14, 2010

Surface Prep
Carton/Box
- Folding / Gluing
- Sheeting
Coat/Laminate
Controls
Web Handling
Slit
- Knives
Print
- Inks
- Prepress
- Digital
- Flexography
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Don't Get Bent out of Shape

Published Thursday, February 01, 2007

Web Lines Bending a web is like bending a pencil or a wire. A little bending is no problem, but if you go too far, something will get bent out of shape or break. Bending is defined as deforming a web by shifting it left or right relative to its centerline. Last month’s column was about twisting, but relative to twisting, bending is much more hazardous to a web’s health. For the same amount of roller misalignment, bending will create far greater stress variations than the same amount of twisting (perhaps 100x higher) and lead to problems much ...

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