METHODOLOGY JUSTIFICATION PROCESS PARAMETERS GRINDING STEM WOOD IN THE DRUM CHIPPER

UDC 630*363.7

  • Hermanovich Aliaksandr Olegovich – PhD (Engineering), Associate Professor, Assistant Professor, the Department of Logging Machinery, Forest Roads and Timber Production Technology. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: germanovich@belstu.by

  • Tereshko Yelena Vladimirovna – Master of Physical and Mathematical Sciences, assistant lecturer, the Department of Higher Mathematics. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: tereshko@belstu.by

DOI: https://doi.org/10.52065/2519-402X-2021-240-16-118-125

Key words: bioenergetics, shredding, cutting power, chipper, chips.

For citation: Hermanovich A. O., Tereshko E. V. Methodology justification process parameters grinding stem wood in the drum chipper. Proceedings of BSTU, issue 1, Forestry. Nature management. Processing of Renewable Resources, 2021, no. 1 (240), pp. 118–125 (In Russian). DOI: https://doi.org/10.52065/2519-402X-2021-240-16-118-125.

Abstract

Recently, the processing of wood waste into wood chips using mobile chippers has become important for the country's energy independence. There is a wide variety of technical characteristics of individual units of chippers, among which it is often difficult to select the parameters of composite units at the design stage and also determine the values of the main indicators of a new designed mobile chipper. Chopping wood raw materials into wood chips is a complex process, depending on various factors. Factors that determine the process of cutting wood can relate to both raw wood and the cutting body of the chipper. The study of the process of cutting wood is complicated not only due to the presence of a large number of these factors, but also due to the possibility of numerous combinations thereof. These combinations create various conditions for changing chip parameters. To establish the degree and nature of the influence of these factors on the process of cutting wood, we need a common criterion for them. This criterion is usually chosen the magnitude of the effort (or power) cutting, taking into account the quality of processing and the value of productivity. Wood species and its physical and mechanical properties have a significant impact on the process of grinding wood raw materials into chips, cutting force and energy consumption. The value of the cutting speed affects the cleanliness of the cut and the quality of the chips. The cutting area of wood raw materials also has a significant effect, which, when carrying out design calculations, will not always be comparable with the area of simple figures.

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References

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01.10.2020