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Different methods for monitoring of flatness and tensioning in circular saw blades
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknologi.ORCID-id: 0000-0002-0145-080X
2009 (Engelska)Ingår i: Proceedings of the 19th International Wood Machining Seminar / [ed] andong Zhou; Nanfeng Zhu; Tao Ding, Nanjing: Nanjing Forestry University , 2009, s. 78-86Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

The performance of a circular-saw blade during sawing depends greatly on the mechanical and geometrical properties of the individual saw blade in question. In order to characterize an individual saw blade when manufacturing saw blades or when doing maintenance of the saw blades, flatness and tensioning are important aspects. Flatness and tensioning influence the lateral stability of the saw blade during sawing and thus affect the sawing result, e.g., the accuracy of the dimensions of the sawn timber. Tests and comparisons of different methods for characterizing individual saw blades were done. New and used saw blades with different amounts of tensioning and flatness were used. The tested saw blades had several radial slots and were intended for use in double-arbour saws with collars and no guides. The compared methods were static and dynamic flatness measurements, natural-frequency measurements and theoretical finite-element calculations with different excitation methods and boundary conditions.The results show some of the qualities of the different methods. The benefits and disadvantages are provided, as well. Especially tensioning can be accurately measured and predicted from natural frequency measurements and finite-element calculations

Ort, förlag, år, upplaga, sidor
Nanjing: Nanjing Forestry University , 2009. s. 78-86
Nationell ämneskategori
Annan maskinteknik
Forskningsämne
Träteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-27027Lokalt ID: 05472530-ce14-11de-b769-000ea68e967bISBN: 978-7-5023-6224-9 (tryckt)OAI: oai:DiVA.org:ltu-27027DiVA, id: diva2:1000208
Konferens
International Wood Machining Seminar : 23/10/2009 - 23/10/2009
Anmärkning
Godkänd; 2009; 20091110 (matse)Tillgänglig från: 2016-09-30 Skapad: 2016-09-30 Senast uppdaterad: 2017-11-25Bibliografiskt granskad

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Ekevad, MatsCristovao, LuisGrönlund, Anders

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