Abstract
The presented research is devoted to the definition of the fragmentation of the sorting of lumber and the boundaries of sorting groups according to the value of the volume output of the primary harvesting, based on the calculation method for determining the volume output of harvesting for the furniture board. The article provides a brief overview of research on the evaluation of timber quality. The scheme for assessing the quality of lumber wood is given. The volumetric output and output parameters of cut modeling of the 1st and 2nd quality groups of sawn timber for blanks for the production of the furniture board of A grade are presented. The technique for determining the boundaries of sorting groups using the volumetric output of the main billet based on the calculated method for determining the volume yield of blanks for a furniture board. Visual sorting on the main work piece increases the volume output of solid blanks of the 1st quality group by 8.61% and the volume output of short blanks of the 2nd quality group by 8.54% compared to the calculated method. Sorting sawn timber according to the proposed indicator simplifies this process, and also allows achieving a functional dependence approximate to 1 between the quality of sawn timber and the quality of blanks, except for errors of quality controllers or operators that perform sorting.
Highlights
Представленное исследование посвящено определению дробности сортирования пиломатериалов и границ сортировочных групп по показателю величины объемного выхода основной заготовки, на основе расчетного метода определения объёмного выхода заготовок для мебельного щита
The presented research is devoted to the definition of the fragmentation of the sorting of lumber and the boundaries of sorting groups according to the value of the volume output of the primary harvesting, based on the calculation method for determining the volume output of harvesting for the furniture board
The technique for determining the boundaries of sorting groups using the volumetric output of the main billet based on the calculated method for determining the volume yield of blanks for a furniture board
Summary
Представленное исследование посвящено определению дробности сортирования пиломатериалов и границ сортировочных групп по показателю величины объемного выхода основной заготовки, на основе расчетного метода определения объёмного выхода заготовок для мебельного щита. The technique for determining the boundaries of sorting groups using the volumetric output of the main billet based on the calculated method for determining the volume yield of blanks for a furniture board. После оценки всех досок по качеможно сделать вывод, что такой показатель, как ственному признаку рассчитывается их средний коэффициент качества γ (см2/см2) с учетом объема объемный выход основной заготовки, характеризующий качественную оценку пиломатериалов, пиломатериалов, полученных из каждой зоны.
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