SUBSTANTIATING OPTIMUM PARAMETERS AND EFFICIENCY OF ROTARY BRUSH CUTTERS

  • Leonid Bukhtoyarov Department of Forest Industry, Metrology, Standardization and Certification, Voronezh State University of Forestry and Technologies named after G.F. Morozov, Timiryazev str., 8, Voronezh, 394087, Russian Federation
  • Olga Kunickaya Department of Technology and Equipment of Forest Complex, Arctic State Agrotechnological University, Sergelyakhskoye highway, 3, Yakutsk, 677007, Russian Federation
  • Alina Urazova Department of Technologies and Equipment of Timber Industry, Ural State Forest Engineering University, Sibirskiy trakt, 37, Yekaterinburg, 620100, Russian Federation
  • Pavel Perfiliev Department of Timber Industry and Materials Processing, Northern Arctic Federal University, Severnaya Dvina embankment, 17, Arkhangelsk, 163000, Russian Federation
  • Varvara Druzyanova Department of Operation of Road Transport and Auto Repair, Northeastern Federal University named after M.K. Ammosov, Belinsky str., 58, Yakutsk, 677000, Russian Federation
  • Sergey Egipko Department of Machines Environmental Engineering, Don State Agrarian University, Grekova str., 24, Novocherkassk, 346410, Russian Federation
  • Albert Burgonutdinov Department of Operation of Auto Armored Technique of the Faculty (Technical Support), Perm Military Institute of the National Guards Forces of the Russian Federation, Gremjachij Log str., 1, Perm, 614990, Russian Federation
  • Evgeniy Tikhonov Department of Transport and Technological Machinery and Equipment, Petrozavodsk State University, Lenina av., 33, Petrozavodsk, 185910, Russian Federation
DOI: https://doi.org/10.5937/jaes0-36513
Keywords: cutting, efficiency, improvement, knife chains, modelling, removal cutting

Abstract


The problem of untimely forest thinning is quite common in today's society. It leads to the emergence of the underbrush, which negatively impacts the growth and development of young trees. Therefore, this work aims to estimate the feasibility of applying a new rotary brush cutter model to eliminate excessive vegetation. The dependence of the tractor's speed when removing underbrush with different diameters of tree trunks was established by performing mathematical modeling to optimize the brush cutter parameters. Three types of flexible inertia cutting devices were investigated: flat knives, sprocket chains, and knife chains. Knife chains are the most optimal choice as they cut plants most efficiently (94.61% and 92.5% for two-year and three-year underbrush, respectively). They also show the lowest energy consumption for underbrush with a trunk between 1 and 2.4 cm in diameter. Further experiments are required to determine if the developed mathematical model can be used for more neglected forestry stands.

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Published
2022/07/21
Issue
Vol. 20 No. 3 (2022)
Section
Original Scientific Paper