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Radially sawn timber.: Star-sawing - a new method for produring timber with vertical annual rings.
Kungliga tekniska högskolan (KTH). (Virkeslära)
1996 (English)In: Holz als Roh- und Werkstoff, ISSN 0018-3768, E-ISSN 1436-736X, Vol. 54, no 3, 145-151 p.Article in journal (Refereed) Published
Abstract [en]

This work presents a new method of sawing to produce pith-free timber with vertical annual rings and without juvenile wood. The method, which is called star-sawing, gives sawn timber with two different shapes, viz, conventional timber with a rectangular cross-section and timber with a triangular cross-section. The volume yield for star-sawing has been determined with the help of computerized simulations and trial sawings. The results show that star-sawing is best suited for logs with a top diameter greater than 200 millimetres. Both a high volume yield and suitable dimensions of the sawn timber were then obtained. The volume yield of timber with vertical annual rings in star-sawing is about 0.70 calculated with regard to the top cylinder volume under bark.

Place, publisher, year, edition, pages
Springer, 1996. Vol. 54, no 3, 145-151 p.
Keyword [en]
primwood, sawing, wood quality
National Category
Forest Science
Research subject
Technology (byts ev till Engineering), Forestry and Wood Technology
URN: urn:nbn:se:lnu:diva-19074DOI: 10.1007/s001070050155OAI: diva2:529350
Available from: 2012-08-28 Created: 2012-05-30 Last updated: 2013-07-15Bibliographically approved

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