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Determination of the Initial Stiffness of Unstretched Rolled Strip Saws

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G.F. Prokofiev, A.M. Tyurin, M.Yu. Kabakova, O.L. Kovalenko

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The paper presents the results of studies of the initial stiffness of rolled strip unstretched saws; theoretically obtained and experimentally confirmed. A mathematical model, that allows calculating the initial stiffness of unstretched strip saws, has been developed in order to justify the distance between the guides and the saw parameters for precise sawing. Experiments were performed for verifying the validity of the assumptions made in carrying out the theoretical research. The analysis of the research results and the following conclusions are made: theoretical and experimental values of the initial stiffness of rolled strip saws practically coincide (the difference does not exceed 2 %); the stiffness of the rolled saw according to the theoretical data exceeds the stiffness of the non-rolled saw by more than 80 %. According to the technological modes of RPI 6.1-00 “Preparation of Frame Saws” to ensure the required accuracy of wood sawing, the initial stiffness of the strip saw should be at least 60–70 N/mm. The obtained results allow us to determine the main parameters of unstretched strip saws providing this condition.


G.F. Prokofiev1, Doctor of Engineering, Prof.; ResearcherID: G-9482-2019,
A.M. Tyurin2, Candidate of Engineering, Leading Engineer; ResearcherID: G-9823-2019,
M.Yu. Kabakova1, Candidate of Engineering, Assoc. Prof.; ResearcherID: F-6036-2019,
O.L. Kovalenko1, Postgraduate Student; ResearcherID: H-1812-2019,


1Northern (Arctic) Federal University named after M.V. Lomonosov, Naberezhnaya Severnoy Dviny, 17, Arkhangelsk, 163002, Russian Federation; e-mail:,
2PJSC Severalmaz, ul. Karla Marksa, 15, Arkhangelsk, 163000, Russian Federation; e-mail:


accuracy of wood sawing, initial stiffness of strip saws, conditions for precise sawing, guides for saws, stress condition when rolling

For citation

Prokofiev G.F., Tyurin A.M., Kabakova M.Yu., Kovalenko O.L. Determination of the Initial Stiffness of Unstretched Rolled Strip Saws. Lesnoy Zhurnal [Russian Forestry Journal], 2020, no. 3, pp. 143–150. DOI: 10.37482/0536-1036-2020-3-143-150


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Determination of the Initial Stiffness of Unstretched Rolled Strip Saws


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