SU1645141A1 - Method of pattern-cutting tree logs into sawn timber - Google Patents

Method of pattern-cutting tree logs into sawn timber Download PDF

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Publication number
SU1645141A1
SU1645141A1 SU884498123A SU4498123A SU1645141A1 SU 1645141 A1 SU1645141 A1 SU 1645141A1 SU 884498123 A SU884498123 A SU 884498123A SU 4498123 A SU4498123 A SU 4498123A SU 1645141 A1 SU1645141 A1 SU 1645141A1
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SU
USSR - Soviet Union
Prior art keywords
sawn
log
logs
cut
timber
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Application number
SU884498123A
Other languages
Russian (ru)
Inventor
Валентин Сергеевич Шалаев
Станислав Николаевич Рыкунин
Галина Игоревна Звягина
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Московский Лесотехнический Институт
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Priority to SU884498123A priority Critical patent/SU1645141A1/en
Application granted granted Critical
Publication of SU1645141A1 publication Critical patent/SU1645141A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B1/00—Methods for subdividing trunks or logs essentially involving sawing
    • B27B1/007—Methods for subdividing trunks or logs essentially involving sawing taking into account geometric properties of the trunks or logs to be sawn, e.g. curvature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B1/00—Methods for subdividing trunks or logs essentially involving sawing
    • B27B1/005—Methods for subdividing trunks or logs essentially involving sawing including the step of dividing the log into sector-shaped segments

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)

Abstract

Изобретение относитс  к производству пиломатериалов и может быть использовано в лесопильно-деревообрабатывающей промышленности. Цель изобретени  - увеличение выхода пилопродукции. Способ раскро  хлыстов на пилопродукцию включает подачу хлыстов к механизму 2 резани , определение зоны 3 первого реза-в пределах от минимальной до максимальной длины заданного бревна, измерение вершинных диаметров возможных бревен дискретно с заданным шагом, определение выхода пилопродукции из них по приведенной формуле , выбор сечени , в котором расчетна  величина выхода пилопродукции максимальна , и производство первого реза. После этого аналогично устанавливают зону следующего реза и по максимальному значению выходов определ ют координату следующего реза.5 ил. 1 табл.The invention relates to the production of lumber and can be used in the sawmill and woodworking industry. The purpose of the invention is to increase the output of sawn timber. The method of cutting logs on sawn timber includes feeding the logs to the cutting mechanism 2, determining the first cut zone 3 — ranging from the minimum to the maximum length of a given log, measuring the vertex diameters of possible logs discretely at a given step, determining the output of the saw log from them using the above formula, selecting sections , in which the calculated value of the output of sawn timber is maximum, and the production of the first cut. After this, the zone of the next cut is similarly determined, and the coordinate of the next cut is determined from the maximum value of the outputs. 5 Il. 1 tab.

Description

фиг. 3FIG. 3

Claims (2)

Формула изобретенияClaim Способ раскроя хлыстов на пилопродукцию, включающий подачу хлыстов, раскрой их на бревна, сортировку и раскрой бревен на пилопродукцию, отличающийся тем, что, с целью увеличения выхода пилопродукции, определяют зону первого реза в пределах от минимальной до максимальной длины заданного бревна, по всей длине зоны первого реза дискретно с заданным шагом измеряют вершинные диаметры возможных бревен и определяют выход Р пилопродукции из них по формуле р=________ЮОЬ · m · η · k________ (0,9225 -0,0034k) d2 0829 “ θ·92341 ’ где b - номинальная ширина обрезных пиломатериалов, вырабатываемых в пределах пропиленной пласти бруса, м;A method of cutting whips for sawn timber, including feeding whips, cutting them into logs, sorting and cutting logs for sawn timber, characterized in that, in order to increase the yield of sawn timber, the zone of the first cut is determined from the minimum to the maximum length of a given log, along the entire length the zones of the first cut discretely measure the vertex diameters of the possible logs with a given step and determine the yield P of sawn products from them according to the formula p = ________ 10 · m · η · k________ (0.9225 -0.0034k) d 2 0829 “θ · 92341 'where b - nominal width of edged pilomat rials produced within the sawn timber of the timber, m; m - номинальная толщина обрезных пиломатериалов, вырабатываемых в пределах пропиленной пласти бруса, м;m is the nominal thickness of the edged sawn timber produced within the sawn timber of the timber, m; L - длина бревна, м;L is the length of the log, m; d - вершинный диаметр бревна, м;d is the vertex diameter of the log, m; к - коэффициент выхода пилопродукции из обрезных пиломатериалов;K is the coefficient of output of sawn timber from edged lumber; η - количество толстых досок, вырабатываемых в пределах пропиленной пласти бруса, принимает целые значения и определяется по формуле где d - вершинный диаметр бревна, м;η is the number of thick boards produced within the sawn face of the beam, takes integer values and is determined by the formula where d is the vertex diameter of the log, m; b - номинальная ширина обрезных пиломатериалов, вырабатываемых в пределах 5 пропиленной пласти бруса, м;b is the nominal width of edged lumber produced within 5 sawn planks of the beam, m; уь - величина усушки обрезных пиломатериалов по ширине, м;yb is the amount of shrinkage of edged lumber in width, m; I - толщина пропила, м;I is the thickness of the cut, m; h - дополнительное увеличение расчет10 ной ширины пласти бруса, учитывающее неточность центрирования по поставу бревен и брусьев, м;h is an additional increase in the calculated width of the beam, taking into account the inaccuracy of centering in the supply of logs and beams, m; m - номинальная толщина обрезных пиломатериалов, вырабатываемых в пределах 15 пропиленной пласти бруса, м;m is the nominal thickness of the edged sawn timber produced within the limits of the 15 sawn cut of the bar, m; Ут - величина усушки обрезных пиломатериалов по толщине, м, после чего выбирают сечение, ограничивающее бревно с максимальным выходом пи20 лопродукции, отмечают это сечение и производят первый рез, затем аналогично определяют следующие сечения и раскраивают хлыст на бревна с максимальным выходом из них пилопродукции.Ut is the amount of shrinkage of edged sawn timber by thickness, m, after which a section is selected that limits the log with a maximum yield of pi20 of lumber production, this section is marked and the first cut is made, then the following sections are determined and the whip is cut into logs with the maximum output of lumber from them. Сечение, N Section, N Длина бревен, м The length of logs, m Диаметр вершинного торца бревна,м The diameter of the top end of the log, m Количество толстых досок, шт. The number of thick boards, pcs. Выход толстых досок из бревна, % The exit of thick boards from the log, % Коэффициент выхода пилопродукции из толстых досок The coefficient of output of sawn products from thick boards Выход пилопродукции из бревна, % • The output of sawn products from the log,% • 1 . 1 . 4,0 4.0 0,280 0.280 4 4 41,5311 41.5311 0,828125 0.828125 34,392961 34.392961 2 2 4,5 4,5 0,275 0.275 4 4 42,4809 42,4809 0,938889 0.938889 39,884866 39.884866 3 3 5,0 5,0 0,270 0.270 3 3 32,5969 32.5969 0,870000 0.870000 28,359286 28,359286 4 4 5,5 5.5 0,265 0.265 3 3 33,3583 33.3583 0,956818 0.956818 31,917762 31.917762 5 5 6,0 6.0 0,260 0.260 3 3 34,1461 34.1461 0,897917 0.897917 30,660435 30,660435
<2^-,<2 ^ -, Фиг. jFIG. j Фс/г 4Fs / g 4 Фиг SFig s
SU884498123A 1988-10-27 1988-10-27 Method of pattern-cutting tree logs into sawn timber SU1645141A1 (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2935923A1 (en) * 2008-09-16 2010-03-19 Optimique Caskwood cutting optimizing method for fabricating e.g. cooperage article, involves calculating and indicating dimension e.g. radius, of squared timber and sawing mode to operator or to production unit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Сметании А.С. и др. Экономические проблемы в лесопилении, Архангельск, 1980, с. 23-31. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2935923A1 (en) * 2008-09-16 2010-03-19 Optimique Caskwood cutting optimizing method for fabricating e.g. cooperage article, involves calculating and indicating dimension e.g. radius, of squared timber and sawing mode to operator or to production unit

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