Mechanical Properties of Furniture Self-locking Frame Joints

Gric, M; Joscak, P; Tarvainen, Ilkka; Ryönänkoski, Henri; Lagaňa, Rastislav; Langová, Nadežda; Andor, Tomáš

doi:10.15376/biores.12.3.5525-5538

Cited by 3 publications

(2 citation statements)

References 9 publications

(9 reference statements)

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“…The first direction is focused on experimental testing of furniture construction. Experimental measurements and calculations are focused mainly on the weakest point-the joint-during static and dynamic loading and on the effect of tenon size on the ratio of dynamic to static loading rate [65][66][67][68][69][70][71][72]. The second direction deals with furniture design and construction using numerical and analytical methods.…”

Section: Introductionmentioning

confidence: 99%

Construction of Wood-Based Lamella for Increased Load on Seating Furniture

Langová

Réh

Igaz

et al. 2019

Forests

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The research on population shows that the count of overweight people has been constantly growing. Therefore, designing and modifying utility items, e.g., furniture should be brought into focus. Indeed, furniture function and safety is associated with the weight of a user. Current processes and standards dealing with the design of seating furniture do not meet the requirements of overweight users. The research is aimed at designing flexible chairs consisting of lamellae using the finite element method (FEM). Three types of glued lamellae based on wood with different number of layers and thickness were made and subsequently, their mechanical properties were tested. Values for modulus of elasticity and modulus of rupture were used to determine stress and deformation applying the FEM method for modelling flexible chairs. In this research, the methodology for evaluating the ultimate state of flexible chairs used to analyse deformation and stability was defined. The analysis confirms that several designed constructions meet the requirements of actual standards (valid for the weight of a user up to 110 kg) but fail to meet the requirements for weight gain of a population.

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Section: Introductionmentioning

confidence: 99%

Construction of Wood-Based Lamella for Increased Load on Seating Furniture

Langová

Réh

Igaz

et al. 2019

Forests

Self Cite

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“…In the compression test, the stresses were lower for R3A (5.13 MPa), R3B (5.63 MPa), R4A (2.67 MPa), and R4B (4.27 MPa). This tendency is emphasized in numerous scientific works and mainly reflects the lower bending moments in the case of compressed joints [ 15 , 39 , 40 , 41 ]. For dowels with triangular inclusions, the mean normal stress also depends on the cross-sectional area and bending moments.…”

Section: Resultsmentioning

confidence: 98%

Analyses of L-Type Corner Joints Connected with Auxetic Dowels for Case Furniture

et al. 2023

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Tests were carried out to develop and manufacture various types of auxetic dowels using 3D printing technology. These dowels were then used to connect L-type corner joint specimens for case furniture, and their strength and stiffness were analyzed through experimental, theoretical, and numerical means. In the scope of the study, eight different types of auxetic dowels including two inclusion types, two inclusion sizes, and two dowel hole diameters, as well as a reference non-auxetic dowel, were designed. Accordingly, a total of 180 specimens that included 10 replications for each group were tested; 90 were tested under tension and the remaining 90 were tested under compression. The results demonstrated that the assembly force required for the corner joints connected with auxetic dowels was significantly lower compared to non-auxetic dowels. Furthermore, the numerical and theoretical analyses yielded similar outcomes in this study. Both analyses revealed that the dowels used to connect the corner joints experienced substantial stresses during mounting and bending, ultimately leading to their failure. Upon concluding the test results, it was observed that the corner joints connected with dowels featuring rectangular inclusions exhibited superior performance when compared to those with triangular inclusions. In light of these findings, it can be concluded that further enhancements are necessary for auxetic dowels with rectangular inclusions before they can be utilized as alternative fasteners for traditional dowels.

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Type synthesis of reconfiguration parallel mechanisms transforming between trusses and mechanisms based on friction self-locking composite joints

Lin

Guo

2022

Mechanism and Machine Theory

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Mechanical Properties of Furniture Self-locking Frame Joints

Cited by 3 publications

References 9 publications

Construction of Wood-Based Lamella for Increased Load on Seating Furniture

Construction of Wood-Based Lamella for Increased Load on Seating Furniture

Analyses of L-Type Corner Joints Connected with Auxetic Dowels for Case Furniture

Type synthesis of reconfiguration parallel mechanisms transforming between trusses and mechanisms based on friction self-locking composite joints

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