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    Evaluation of Surface Roughness Parameters of HDF for Finishing under Industrial Conditions

    Year: 2022

    Journal: Materials, Volume 15, SEP

    Authors: Henke, Milena; Lis, Barbara; Krystofiak, Tomasz

    Organizations: Polish Ministry of Science and Higher Education [005/RID/2018/19]

    Keywords: roughness; HDF board; sanding belt; grain sizes; feeding speed

    One of the most important properties of the surface of wood-based panels is their roughness. This property determines the way of working with the material in the processes of gluing and surface varnishing. The aim of this study was to determine the effect of various sanding belt configurations and the feeding speed of the conveyor belt during grinding on the surface roughness of high-density fiberboards (HDF). The research material was prepared under industrial conditions. Three types of boards were selected for the tests. After grinding, the roughness parameters were measured both transversely and longitudinally relative to the grinding direction, using a Mitutoyo SJ-210 profilometer and the optical method. Based on ANOVA analysis of the data, it was found that the type of HDF boards used and the configuration of the abrasive belts had a statistically significant impact on the roughness. The samples for which the grinding process was performed with sanding belts of the highest grain size had the lowest roughness. For the amplitude roughness parameters, the direction of roughness measurement had a significant influence. These results may provide valuable guidance for the furniture industry in the preparation of HDF for furniture production.
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