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Home February 09, 2010

Surface Prep
Carton/Box
- Folding / Gluing
- Sheeting
Coat/Laminate
Controls
Web Handling
Slit
- Knives
Print
- Inks
- Prepress
- Digital
- Flexography
- Gravure
- Letterpress
- Offset
- Envelope
Flexpack
- Substrates
Label/Tape
- RFID
Bag/Pouch
Die-Cut

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Foray to the Future
Marsh Labels Goes Digital
Proteus Adds Heidelberg VLF
Folder/Gluer Is Modular

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Deflecting Nip Roller Problems?

Published Saturday, April 01, 2006

Web Lines X ’em out! Nipped rollers are vital to many web processes, including coating, laminating, embossing, calendaring, and winding. Two nipped rollers have a lot more of something than a single roller will ever have—pressure. Is this pressure nice and uniform across the web? Not likely. It would be if we had perfectly cylindrical rollers applying the same load over each inch of width, and the web was perfectly flat. Anyone out there with this perfect process, you can stop reading now. Nip rollers often have compliant coverings to forgive many imperfections. An elastomer covered roller will ...

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