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Comparison between forming strategies regarding their effect on paper properties
2013 (English)In: Pap. Conf. Trade Show, PaperCon, 2013, 773-790 p.Conference paper (Refereed)
Abstract [en]

Extensive trials have been performed at the FEX machine at Innventia in Stockholm in order to determine fundamental relations between several process parameters. The goal with these has been to set up a matrix for further research aimed at the formation-retention-strength relations. The trials covered a total of five weeks at the FEX machine. Three of those were aimed at twin-wire forming and two at Fourdrinier forming. The results from these five weeks clearly show the difference between twin-wire and Fourdrinier forming. For the Fourdrinier case there is a linear relation between small-scale (0.3-3 mm) formation and large-scale (3-30 mm) formation, a higher value for the small-scale formation also gives a higher large-scale value. Furthermore, there is a direct relation between formation and retention; an increased retention gives a higher formation value. In addition, it is shown that a better formation gives a higher tensile index value. In comparison, it is shown that twin-wire forming does not have these clear relations. Hence, the twin-wire forming process seems to allow de-coupling of many of these relations.

Place, publisher, year, edition, pages
2013. 773-790 p.
, Paper Conference and Trade Show, PaperCon 2013, 1
Keyword [en]
De-coupling, Fourdriniers, Index values, Linear relation, Paper properties, Process parameters, Stockholm, Commerce, Couplings, Wire forming machines, Exhibitions
National Category
Mechanical Engineering Paper, Pulp and Fiber Technology
URN: urn:nbn:se:kth:diva-139442ScopusID: 2-s2.0-84889672848ISBN: 9781627489669OAI: diva2:688188
Paper Conference and Trade Show, PaperCon 2013, 27 April 2013 through 1 May 2013, Atlanta, GA

QC 20140116

Available from: 2014-01-16 Created: 2014-01-13 Last updated: 2014-01-16Bibliographically approved

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Söderberg, Daniel
Mechanical EngineeringPaper, Pulp and Fiber Technology

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ReferencesLink to record
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