A investigation of form of stability of variously designed furniture board made of pine wood of different constructions

T.I. Podibka

doi:10.36930/42204613

Authors

T.I. Podibka

DOI:

https://doi.org/10.36930/42204613

Keywords:

Scots pine (Pinus sylvestris), furniture board, furniture board designs, technology, form stability, gluing, mathematical model, stress, deformation, polyvinyl acetate adhesives.

Abstract

It is substantiated that the natural wood of pin species in a massive form, in particular defect-free pieces of pine wood, is a suitable resource for the manufacture of furniture boards, since glued structures with the correct arrangement of rails have stable internal stresses, which positively affects dimensional stability – a stressed-deformed state during manufacture and operation of products. The regularities of the effect of the width of the slats and the angle of inclination of the annual layers in furniture boards with alternate laying of radial (the angle of inclination of the annual rings in the cross section of the bars 61-90 degrees) and tangential (the angle of inclination of the annual rings in the cross section of the bars 1-30 degrees) on the dimensional stability of the combined furniture boards made of coniferous wood, in particular Scots pine (Pinus sylvestris). Based on the results of experimental studies, an adequate regression equation of the second order was obtained, using the B-plan, to determine the arrow of the deflection of glued shields, depending on the width of the blanks and the angle of inclination of the annual layers in the rails, which are alternately placed in the structure. The best quality in terms of shape stability (shape stability) will be combined furniture boards made of Scots pine wood (Pinus sylvestris): B_rad = 20 mm; B_tan = 20 mm, when deviations from flatness are 0.064 mm. The dimensional stability of furniture boards made of studded wood is significantly affected by the width of the tangential rails. It was determined that when laying a radial rail with a width of 80 mm, the tangential rail cannot be wider than 60 mm, since the value of the arrow deflection from flatness will be greater than the standard value, i.e. 0.3 mm for the width of furniture boards up to 500 mm. It has been established that to ensure the dimensional stability of furniture panels made of soft wood, in particular Scots pine (Pinus sylvestris) with combined installation (radial-tangential slats), it is desirable to use a 1:3 aspect ratio in the cross section of the slats, i.e. for furniture panels with a thickness of 20 mm, the width of the slats should not exceed 60 mm. Practical recommendations have been developed for the production of furniture panels from coniferous wood, in particular Scots pine.

References

Denysyuk V.A., Kushpit A.S., Kushpit O.M. (2018). Analiz vplyvu vydu zʺyednanʹ za shyrynoyu na formostiykistʹ meblevykh shchytiv [Analysis of the influence of the type of joints by width on the dimensional stability of furniture boards] / Comprehensive quality assurance of technological processes and systems: theses materials, add. VIII International science – practice conf. (Chernihiv, May 10-12, 2018) . – Chernihiv. Vol. 1:209-210. (in Ukrainian).

DIN 68705-2:2014-10. Plywood – Part 2. Blockboard and laminboard for general use. Germany.

Gayda S.V. (1998). Основи створення гнучких автоматизованих виробництв [Basics of creating flexible automated production]. – Lviv. – 149 p. (in Ukrainian).

Gayda S.V. (1999). Проблеми та перспективи роботизації меблевої промисловості [Prob-lems and prospects of robotics in the furniture industry]. Scientific Bulletin of UNFU 9.5:192-195. (in Ukrainian).

Gayda S.V. (2000). Визначення стійкості та міцності вертикальних стінок корпусних меблевих виробів [Determination of stability and strength of vertical walls of case furniture products]. Scientific Bulletin of UNFU 10.3:127-129. (in Ukrainian).

Gayda S.V. (2000). Матеріали для виготовлення виробів з деревини / Materials for the Productsion of wood Productss. Lviv: BMC. – 160 p. (in Ukrainian).

Gayda S.V. (2000). Особливості розрахунку корпусних виробів на міцність [Peculiarities of strength calculation of hull products]. Scientific Bulletin of UNFU 10.2:150-154. (in Ukrainian).

Gayda S.V. (2002). Особливості та перспективи роботизації меблевої промисловості України [Peculiarities and prospects of robotization of the furniture industry of Ukraine]. Scientific Bulletin of UNFU 12.5:38-40. (in Ukrainian).

Gayda S.V. (2003). Гнучкі виробничі модулі для виготовлення ґратчастих меблевих ви-робів [Flexible production modules for the production of lattice furniture products]. Scientific Bulletin of UNFU 13.2:120-122. (in Ukrainian).

Gayda S.V. (2004). Інтегровані технології меблевого виробництва [Integrated technol-ogies of furniture production]. Scientific Bulletin of UNFU 14.4:118-121. (in Ukrainian).

Gayda S.V. (2007). А problem of arboreal raw material is in Europe and Ukraine. Forestry, Forest, Paper and Woodworking Industry 33:60-63 (in Ukrainian).

Gayda S.V. (2007). Дослідження концентрації операцій у сучасному меблевому вироб-ництві / Doslidzhennya kontsentratsiyi operatsiy u suchasnomu meblevomu vyrobnytstvi [Research of concentration of operations is in modern furniture Productsion]. Forestry, Forest, Paper and Woodworking Industry 33:73-79 (in Ukrainian).

Gayda S.V. (2010). A comparative analysis of physical and mechanical parameters of variously designed glued boards made of post-consumer recovered wood. Forestry, Forest, Paper and Woodworking Industry 36:81-91.

Gayda S.V. (2013). Resource-saving technologies of recycling of post-consumer wood. Scientific Bulletin of NULES of Ukraine: Technology and Energy of agroindustrial complex 185(2):271-280 (in Ukrainian).

Gayda S.V. (2013). Technologies and recommendations on the utilization of post-consumer wood in woodworking industry. Forestry, Forest, Paper and Woodworking Industry 39(1):48-67 (in Ukrainian).

Gayda S.V. (2013). The technological solutions for recycling of post-consumer wood. Pro-ceedings of I International Interdisciplinary Scientific Conference Formation of stable outlook as the basis of sustainable development (Ukraine, Lviv, 14-16 March 2013) UNFU: Lviv, 5-11.

Gayda S.V. (2013). Розроблення технології виробництва паливних гранул на основі енергетичного потенціалу вживаної деревини [Development of technology for the production of fuel pellets based on the energy potential of used wood]. Scientific Bulletin of UNFU 23.14:83-93. (in Ukrainian).

Gayda S.V. (2014). Sposoby podgotovki k pererabotke vtorichno ispol'zuyemoy drevesiny ig-lofrezernymi i shchotochnymi stankami [Preparation methods for processing of post-consumer wood (PCW) needle-milling and brushing machines]. Actual problems of complex 40:65-69 (in Russian).

Gayda S.V. (2015). Investigation of physical and mechanical properties of post-consumer wood (PCW. Actual problems of forest complex 43:175-179 (in Russian).

Gayda S.V. (2015). Technology and physical and mechanical properties blockboard made of post-consumer wood (PCW). Technical service of agriculture, forestry and transport systems 3(1):145-152 (in Ukrainian).

Gayda S.V. (2016). A form of stability of blockboards (BB) made of post-consumer wood (PCW). Actual problems of forest complex 46:148-153 (in Russian).

Gayda S.V. (2016). A investigation of form of stability of variously designed blockboards made of post-consumer wood. ProLigno 12(1):22-31.

Gayda S.V. (2016). Formoustoychivost' stolyarnykh plit iz vtorichno ispol'zuemoy drevesin [A form of stability of blockboards made of post-consumer wood]. Actual problems of forest complex 46:148-153, (in Russian).

Gayda S.V. (2017). A technology and properties of furniture board (FB) made of post-consumer wood (PCW). Actual problems of forest complex 48:34-38 (in Russian).

Gayda S.V. (2017). Використання нечітких експертних систем для підтримки прийнят-тя рішень в процесі сортування вживаної деревини / Vykorystannya nechitkykh ekspertnykh sys-tem dlya pidtrymky pryynyattya rishenʹ v protsesi sortuvannya vzhyvanoyi derevyny [Using fuzzy ex-pert systems for decision support in the process of post-consumer wood sorting]. Forestry, Forest, Paper and Woodworking Industry 43:5-20 (in Ukrainian). doi: https://doi.org/10.36930/42174301

Gayda S.V. (2017). Комплексні дослідження зміни пружних властивостей вживаної де-ревини ялиці з віком / Kompleksni doslidzhennya zminy pruzhnykh vlastyvostey vzhyvanoyi derevyny yalytsi z vikom [The complex studies on the change of elastic properties of post-consumer fir wood with age]. Forestry, Forest, Paper and Woodworking Industry 43:58-72 (in Ukrainian). doi: https://doi.org/10.36930/42174308

Gayda S.V. (2018). A investigation and analysis of characteristics of solid furniture boards made of post-consumer wood. Forestry, Forest, Paper and Woodworking Industry, 44, 15-25. https://doi.org/10.36930/42184402 (in Ukrainian).

Gayda S.V. (2018). Strength of combined blockboard made of post-consumer wood (PCW). Bulletin of KhNTUA 197:3-9, (in Ukrainian).

Gayda S.V. (2018). Технологія МДФ-фасадів / Tekhnolohiyi MDF-Fasadiv [MDF Facade Technologies]. Forestry, Forest, Paper and Woodworking Industry 44:70-83 (in Ukrainian). doi: https://doi.org/10.36930/42184410

Gayda S.V. (2019). Scientific and technical basis of the use of used wood in woodworking: thesis of the Doctor of Technical Sciences in the specialty 05.23. – Lviv: UNFU. – 465 (in Ukraini-an).

Gayda S.V., & Maksymiv, V.M. (2007). Analysis, features, problems and experience of the use of additional resources of raw material – wastes and of used wood. Forestry, Forest, Paper and Woodworking Industry 33:63-73 (in Ukrainian).

Gayda S.V., & Voronovich V.V. (2011). Comparative analysis of bending particularities for various post-consumer wood species and age categories. Forestry, Forest, Paper and Woodworking Industry 37(1): 84-88 (in Ukrainian).

Gayda S.V., & Voytovych, I.G. (2017). Durability and stability of elements for beam furniture products made from post-consumer wood (PCW) are investigated. Bulletin of KhNTUA 185:13-21 (in Ukrainian).

Gayda S.V., Bilyy Ya.M. (2019). Дослідження технологічних процесів виготовлення ліжок двоспальних різних конструкцій / Doslidzhennya tekhnolohichnykh protsesiv vyhotovlennya lizhok dvospalʹnykh riznykh konstruktsiy [A investigation of technological processes of making beds of double different designs]. Forestry, Forest, Paper and Woodworking Industry 45:21-31 (in Ukrain-ian). doi: https://doi.org/10.36930/42194504

Gayda S.V., Kiyko O.A. (2013). Технология очистки вторично используемой древесины иглофрезерными станками [The technology of cleaning recycled wood with needle milling ma-chines] // Actual problems and prospects of the development of LPK: materials II NTK., September 9-11, 2013 – Kostroma. – P. 36-39. (in Russian).

Gayda S.V., Kiyko O.A. (2018). Shape stability as a quality criterion for PCW-made block-boards. Proceedings of the Forestry Academy of Sciences of Ukraine, 17, 185-192. https://doi.org/10.15421/411834 (in Ukrainian)

Gayda S.V., Kiyko O.A. (2020). Determining the regime parameters for the surface clean-ing of post-consumer wood by a needle milling tool. Eastern-European Journal of Enterprise Technologies, 5 (1(107)), 89-97. https://doi.org/10.15587/1729-4061.2020.212484.

Gayda S.V., Kiyko O.A. (2020). The investigation of properties of blockboards made of post-consumer wood. Poznan : Drewno, 63(206), 77-102. https://doi.org/10.12841/wood.1644-3985.352.10.

Gayda S.V., Kshyvetskyy B.Ya. (1999). Техніко-економічні характеристики деревооб-робної фабрики майбутнього [Technical and economic characteristics of the woodworking factory of the future]. Scientific Bulletin of UNFU 9.3:83-85. (in Ukrainian).

Gayda S.V., Lesiv L.E. (2019). Визначення та порівняння властивостей вживаної дере-вини основних хвойних порід / Vyznachennya ta porivnyannya vlastyvostey vzhyvanoyi derevyny osnovnykh khvoynykh porid [A determination and comparison of properties of post-consumer wood of the basic conifers]. Forestry, Forest, Paper and Woodworking Industry 45:39-46 (in Ukrainian). doi: https://doi.org/10.36930/42194506

Gayda S.V., Maksimiv V.M., Kiyko O.A., Ferenc O.B. (2013). Залишки деревини та де-ревина після споживання. Класифікація. Терміни та визначення [Wood residues and post-consumer wood. Classification. Terms and definitions] / Agreement No. 08.24-11-1: draft interna-tional standard ISO. – Lviv: NLTU of Ukraine – 53 p. (in Ukrainian).

Gayda S.V., Nikityuk L.O. (1998). До питання застосування екстрагованої деревини для плитного виробництв [On the issue of using extracted wood for slab production]. Scientific Bulletin of UNFU 8:75-77. (in Ukrainian).

Gayda S.V., Voronovich V.V. (2011). Investigation of the features of bending of post-consumer wood // Proceedings of the Conference, Mari State University. – 190-192 (in Russian).

GOST 13715:1978. Glued boards. Specifications. Moskow: Gosstandart, (in Russian).

GOST 6449.3:1982. Products of wood and wooden materials. Tolerances of f orm and arrangement of surf aces. Moskow: Gosstandart, (in Russian).

Kiyko, I.O (2014). The impact of the structural element sizes on the furniture board form stability. Collection Bulletin UNFU, Lviv. Vol. 24(5).169-175 (in Ukrainian).

Kryvyk, O.O., & Mayevskyy, V.O (2011). Dynamics of shape stability change for glued panels with a combination of different wood species. Forestry, Forest, Paper and Woodworking Industry, Lviv. Vol. 37(1):30-33 (in Ukrainian).

Mayevskyy, V.O, & Benyah, Yu.V. (2005). Investigations of stability of shape of Composite boards from oak solid. Collection Bulletin UNFU, Lviv. Vol. 15(5):199-208 (in Ukrainian).

Pardaev, A.S (2008). Methodical principles of modelling of physicomechanical properties of wood are stated at the analysis of the is intense-deformed condition of joiner's designs on the basis Finite Element Method. Collection Bulletin USTU, Ekaterinburg. Vol. 3:77-83 (in Russian).

Pardaev, A.S (2009). Increased form stability glued board of wood based on process modeling shrinkage and swelling. Architecture and Construction, Minsk. Vol. 3(202):41-44 (in Russian).