Abstract
The article draws attention to the evolution and applying of crankshafts sawing machines with a rotary-translational motion cutting. We analyzed the kinematics of the cutting tool. The comparative analysis of cutting modes and productivity of crankshafts sawing machines are given. The problems associated with the removal of chips from the cutting zone are analyzed. It is proposed for the crankshafts sawing machines to spread a group of saws along two planes. According to the developers of crankshaft sawing machines with rotational–translational motion of the tool, these machines should replace gang saws of the second row, as well as circular and band re-saw machines. However, comparative performance analysis of the crankshaft sawing machines showed that they are unable to compete against gang saws, not to mention the multi-blade circular re-saw machines. Thus, it is clearly seen that today crankshaft sawing machines with rotational–translational movement of cutting have a number of the unresolved technical problems and do not have technological advantages over existing types of the sawmill equipment.
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Acknowledgements
The research is carried out at Tomsk Polytechnic University within the framework of Tomsk Polytechnic University Competitiveness Enhancement Program grant, Project Number TPU CEP_IHTP_73\2017.
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Kondratyuk, A.A., Shilko, V.K., Klopotov, A.A. (2019). Common Problems and Prospects of Crankshaft (Eccentric) Machinery Usage in Sawmilling. In: Radionov, A., Kravchenko, O., Guzeev, V., Rozhdestvenskiy, Y. (eds) Proceedings of the 4th International Conference on Industrial Engineering. ICIE 2018. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-95630-5_31
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DOI: https://doi.org/10.1007/978-3-319-95630-5_31
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