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Maderas. Ciencia y tecnología

versão On-line ISSN 0718-221X

Resumo

GUEDES, Taiane Oliveira; MOREIRA DA SILVA, José Reinaldo; HEIN, Paulo Ricardo Gherardi  e  FERREIRA, Silvia Costa. Cutting energy required during the mechanical processing of wood species at different drying stages. Maderas, Cienc. tecnol. [online]. 2020, vol.22, n.4, pp.477-482. ISSN 0718-221X.  http://dx.doi.org/10.4067/S0718-221X2020005000406.

The aim of this study was to know the variation profile of the specific energy consumption required to cut woods with varying densities and moisture contents. Therefore, peripheral cuts were performed in the longitudinal direction of the grain with numerical control controlled by Computational Numerical Command in woods of different densities, established at different drying stages. An energy analyzer, capable of calculate the specific energy consumed during the wood processing, was used to measure the energy information. The results indicated that the higher the wood density, the greater the positive influence of the moisture content on the specific cutting energy. In the anhydrous condition, the higher the wood density, the higher the cutting energy. With increased moisture content, less cutting power was required during the wood processing. Therefore, it was possible to conclude that during the milling type mechanical processing of wood, moisture content has a great influence on the specific cutting energy consumption.

Palavras-chave : Basic density; CNC; energy analyzer; moisture content; wood processing.

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