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Striping of Corrugated Board in Halftone Flexo Post-printing
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences. (FSCN – Fibre Science and Communication Network)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
Responsible organisation
2007 (English)In: 61st Appita annual conference and exhibition, Gold Coast, Australia, 6-9 May 2007, 2007 International paper physics conference, 6pp, 2007Conference paper, (Other academic)
Abstract [en]

A fintie element model has been used to simulate how halftone dots deform during printing. Another finite element model has also been used for simulating how the pressure distribution in the nip changes when the corrugated board is deformed before printing by e.g. moisture induced warp. The simulations showed that striping in halftone prints can be explained by the deformation of halftone dots leading to more "dot gain" above flute ridges than between. When the corrugated board is deformed over a few flutes, the pressure distribution is affected which might cause print non-uniformities.

Place, publisher, year, edition, pages
2007.
Keyword [en]
striping, halftone, corrugated board, flexo
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-4266Local ID: 5037OAI: oai:DiVA.org:miun-4266DiVA: diva2:29298
Projects
Nip Mechanics and Hydrodynamics of Flexo Post-Printing and Print Quality
Available from: 2008-12-11 Created: 2008-12-10 Last updated: 2009-06-08Bibliographically approved

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