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Wood Research and Technology

Holzforschung

Cellulose – Hemicelluloses – Lignin – Wood Extractives

Editor-in-Chief: Salmén, Lennart

Editorial Board: Daniel, Geoffrey / Militz, Holger / Rosenau, Thomas / Sixta, Herbert / Vuorinen, Tapani / Argyropoulos, Dimitris S. / Balakshin, Yu / Barnett, J. R. / Burgert, Ingo / Rio, Jose C. / Evans, Robert / Evtuguin, Dmitry V. / Frazier, Charles E. / Fukushima, Kazuhiko / Gindl-Altmutter, Wolfgang / Glasser, W. G. / Holmbom, Bjarne / Isogai, Akira / Kadla, John F. / Koch, Gerald / Lachenal, Dominique / Laine, Christiane / Mansfield, Shawn D. / Morrell, J.J. / Niemz, Peter / Potthast, Antje / Ragauskas, Arthur J. / Ralph, John / Rice, Robert W. / Salin, Jarl-Gunnar / Schmitt, Uwe / Schultz, Tor P. / Sipilä, Jussi / Takano, Toshiyuki / Tamminen, Tarja / Theliander, Hans / Welling, Johannes / Willför, Stefan / Yoshihara, Hiroshi


IMPACT FACTOR 2017: 2.079

CiteScore 2017: 1.94

SCImago Journal Rank (SJR) 2017: 0.709
Source Normalized Impact per Paper (SNIP) 2017: 0.979

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1437-434X
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Volume 68, Issue 3

Issues

A theoretical and experimental study of the circular sawing process

Lisbeth M. Hellström
  • Corresponding author
  • Fibre Science and Communication Network, Department of Natural Sciences, Mid Sweden University, Holmgatan 10, SE-851 70 Sundsvall, Sweden
  • Email
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Sven-Olov Biller / Sverker Edvardsson
  • Fibre Science and Communication Network, Department of Natural Sciences, Mid Sweden University, Holmgatan 10, SE-851 70 Sundsvall, Sweden
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Per A. Gradin
  • Fibre Science and Communication Network, Department of Natural Sciences, Mid Sweden University, Holmgatan 10, SE-851 70 Sundsvall, Sweden
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2013-10-19 | DOI: https://doi.org/10.1515/hf-2013-0066

Abstract

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.

Keywords: chipper canter; energy consumption; modeling; sawing; sawmill; surface energy

References

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About the article

Corresponding author: Lisbeth M. Hellström, Fibre Science and Communication Network, Department of Natural Sciences, Mid Sweden University, Holmgatan 10, SE-851 70 Sundsvall, Sweden, e-mail:


Received: 2013-04-17

Accepted: 2013-09-24

Published Online: 2013-10-19

Published in Print: 2014-04-01


Citation Information: Holzforschung, Volume 68, Issue 3, Pages 307–312, ISSN (Online) 1437-434X, ISSN (Print) 0018-3830, DOI: https://doi.org/10.1515/hf-2013-0066.

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