Faculty of Technical Engineering, University of Bihać, Bihać, Bosnia and Herzegovina
Faculty of Technical Engineering, University of Bihać, Bihać, Bosnia and Herzegovina
The aim of this paper is to present a sufficiently adequate and accurate mathematical model of the breaking force of a solid wood panel. For that purpose, an experiment with thirteen repetitions was designed and done. The input sizes that varied on three levels are the density of the wood and the thickness of the solid wood panel. Since the central composite plan with thirteen repetitions of the experiment also includes four repetitions in the marginal areas, two more wood densities and two solid wood panel thicknesses were taken. The force was measured in such a way that the plate fibers were parallel to the bending direction of the plate. The measurements were made in the laboratory of the Technical Faculty in Bihać. The significance of the model coefficients was determined using the R software and the results were presented using the Design Expert software.
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