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A.E. Alekseev, M.V. Krisjanis Complete text of the article:Download article (pdf, 0.5MB )UDС674.053:621.934/.936DOI:10.17238/issn0536-1036.2018.6.149AbstractThe paper gives characteristic to the operation of width formation of edging sawn timber on the basis of the Ts2D-5A machine. The mechanism of control a mobile saw by the means of manual installation of a hydropositioner on the size of a cutting board across the width is studied. The general methodological regulations on formation of sawn timber sections are formulated; the results analysis of geometry forming of edged sawn timber is done. The article presents a classification of control systems of woodworking machines. The initial technological requirements of position control system for edging machine support from the linear induction motor are developed; changes in the output characteristics of sawn timber depending on the combination of thin and thick board thicknesses are taken into account. It is established that adjustment of stock (secondary element) of the linear induction motor for maximum length corresponds to the smallest width of edging board with allowance for its shrinkage across the nominal width. In this case, imaginary plane parallel to plane of a fixed circular saw of double saw machine and tangent at the points determined by the positions of saw teeth with the controlled broadening on the side is a base surface. Reference position of the nominal width of edged board is a plane parallel to the base surface and spaced away from it by the nominal width of the board with allowance for shrinkage.AuthorsA.E. Alekseev, Doctor of Engineering Sciences, ProfessorM.V. Krisjanis, Senior Lecturer AffiliationNorthern (Arctic) Federal University named after M.V. Lomonosov, NaberezhnayaSevernoy Dviny, 17, Arkhangelsk, 163002, Russian Federation; е-mail: a.alekseev@narfu.ru, m.krishjyanis@narfu.ru Keywordsposition control system, linear induction motor, initial technological requirements, sawn timber edgingFor citationAlekseev A.E., Krisjanis M.V. Initial Technological Requirements for Position Control System of Edging Machine Support from Linear Induction Motor. Lesnoy Zhurnal [Forestry Journal], 2018, no. 6, pp. 149–159. DOI: 10.17238/issn0536-1036.2018.6.149References1. Alekseeev A.E., Alekseeeva L.V. Organizatsiya malykh lesopil’nykh predpriyatiy [Organization of Small Sawmills]. Arkhangelsk, ASTU Publ., 2007. 731 p. (In Russ.)2. Varfolomeyev Yu.A., Druzhin I.S., D’yachkov Yu.A. Spravochnik po lesopileniyu [Handbook of Sawmilling]. Ed. by A.M. Kopeikin. Moscow, Ekologiya Publ., 1991. 495 p. (In Russ.) 3. Klyuyev V.A. Raspredeleniye breven po diametru i sbegu [Distribution of Logs by Diameter and Taper]. Nauch. tr. 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Vsesoyuz. nauch.-issled. i proyektnyy in-t ekonomiki, organizatsii upravleniya pr-vom i inform. po les., tsellyuloz.-bumazhn. i derevoobrab. prom-sti [All-Union Sci.-Res. and Project Institute of Economics, Organization of Production Management and Information on Forest, Pulp and Paper and Woodworking Industry]. Moscow, VNIPIEIlesprom Publ., 1977. 54 p. (In Russ.) 7. Shimkevich Yu.B. Spravochnik po lesopileniyu [Handbook of Sawmilling]. Saint Petersburg, PROFI-INFORM Publ., 2005. 200 p. (In Russ.) 8. Yasinskiy V.S., Kuchin A.V. O zakone raspredeleniya pilovochnogo syr’ya po dlinam [On the Law of Distribution of Sawing Raw Material by Lengths]. Tekhnologiya i oborudovaniye derevoobrabatyvayushchikh proizvodstv. Protsessy mekhanicheskoy obrabotki, skleivaniya i otdelki drevesiny [Technology and Equipment for Woodworking Industries. Mechanical Processing, Gluing and Fashioning of Wood]. Leningrad, LTA Publ., 1983, pp. 8–10. 9. Alekseev A.E., Krisjanis M.V. Evaluation of the Thermal State of a Linear Induction Motor Operating as a Positioner in the Edging Machine. International Conference on Advanced Research in Business, Economics, Law and Social Sciences. Section 2. Electrical Engineering, Madrid, November 15, 2017. Madrid, 2017, pp. 17–25. 10. Birkeland R., Timland H. Practical Experience with a Fully Automated Line Camera Scanning System in a Window Manufacturing Company. Proceedings of the 3rd International Conference on Scanning Technology in Sawmilling, San Francisco, 1989. San Francisco, 1989, pp. xx-1–9. 11. Chang S.J. External and Internal Defect Detection to Optimize Cutting of Hardwood Logs and Lumber. Transferring Technologies to the Hardwood Industry: Handbook No. 3. U.S. Department of Commerce, Beltsville, MD, 1992. 24 p. 12. Niskanen M., Silvén O., Kauppinen H. Experiments with SOM Based Inspection of Wood. International Conference on Quality Control by Artificial Vision (QCAV2001), Le Creusot, 2001. Le Creusot, France, 2001, no. 2, pp. 311–316. 13. Rieth P.A., Good D. Scanning for Lumber Defects and Ripsaw Optimization: A Case Study. Proceedings of the 3rd International Conference on Scanning Technology in Sawmilling, San Francisco, October 5–6, 1989. San Francisco. 1989, pp. XV-1–28. Received on April 13, 2018 Initial Technological Requirements for Position Control System of Edging Machine Support from Linear Induction Motor |
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