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A theoretical and experimental study of the circular sawing process
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences. (FSCN)
Andritz Iggesund Tools AB, Iggesund, Sweden.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
2014 (English)In: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 68, no 3, 307-312 p.Article in journal (Refereed) Published
Abstract [en]

To gain further insight into the energy dissipation during the wood sawing process, a theoretical model has been developed. The model is based on the assumption that there are two basic causes for energy dissipation during sawing: the creation of a new surface and the compression of material below a saw tooth. It is assumed that both contributions can be dependent on the cutting angle (the angle between the fiber direction and the tangent to the path followed by a saw tooth) because a saw tooth changes its angle of attack during its way through a log. To determine this dependence of the dissipation on the cutting angle, a series of experiments with pine plank sawing were performed by means of different feeding rates and cutting angles while the electrical power supplied to the saw was measured. The parameters in the theoretical model were derived from the experimental findings. Finally, two tests were carried out under different conditions with respect to thickness and cutting angles and the validity of the model was confirmed concerning the prediction of the electrical power consumption.

Place, publisher, year, edition, pages
2014. Vol. 68, no 3, 307-312 p.
Keyword [en]
chipper canter, energy consumption, modeling, sawing, sawmill, surface energy
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-22593DOI: 10.1515/hf-2013-0066ISI: 000333798400007Scopus ID: 2-s2.0-84903118796OAI: oai:DiVA.org:miun-22593DiVA: diva2:739003
Available from: 2014-08-19 Created: 2014-08-19 Last updated: 2014-08-19Bibliographically approved

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Hellström, Lisbeth M.Edvardsson, SverkerGradin, Per A.
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CiteExportLink to record
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Citation style
  • apa
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