Justification of Raw Material Supply for a Timber Industry Enterprise
DOI:
https://doi.org/10.37482/0536-1036-2025-2-128-142Keywords:
wood grading, bucking, assortment resources, maximum yield ratio, log varietal structure, bucking balanceAbstract
The article presents the characteristics of the forest fund of the Republic of Bashkortostan, its area, estimated cutting area and quality indicators. An increase in the share of softwood species in the forest fund and a decrease in the yield of industrial wood as a result of the felling of high-quality pine forests have been noted. The relevance of placing in the region an enterprise for processing unclaimed low-quality wood raw materials, Kronoshpan OSB LLC, the world’s largest manufacturer of wood boards, has been substantiated. The issues of substantiation of wood grading and the adoption of a bucking program during exploitation of leased forest plots have been considered using the example of the enterprise mentioned. The calculations of the bucking program (bucking balance) have been carried out based on the condition of specialization in the production of target grades that are in high demand in the market, and maximum provision of raw materials from our own production. Roundwood grading has been determined using the methodology for calculating assortment resources developed at the Ural State Forestry Engineering University. The methodology is based on bucking large samples of full-length logs of deciduous and coniferous species. The samples of full-length logs have been formed in the lower warehouses of Bashkortostan logging enterprises, and their bucking has been carried out taking into account the existing technical requirements for the production of roundwood. The methodology is based on regression equations characterizing the relationship between the ratios of the maximum yield of assortments depending on the average diameter of full-length logs during their specialized bucking, which have been tested in the conditions of the enterprises of the Bashlesprom plant. When determining the varietal structure of birch plywood logs and pine sawlogs, regression equations have also been used to show the relationship between the varietal structure and the average diameter of the bucked full-length logs. Thus, the required assortment of roundwood and the volumes of target grades (plywood logs and sawlogs) of only grades 1 and 2 have been identified for their possible use by specialized enterprises, and the volumes of wood processing for Kronoshpan OSB LLC have been determined.
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Copyright (c) 2025 А.В. Солдатов, Э.Ф. Герц, А.В. Мехренцев, А.Ф. Уразова (Автор)
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