Qualidade da madeira de mogno brasileiro plantado para a produção de serrados

Silva, João Gabriel Missia da; Vidaurre, Graziela Baptista; Minini, Daniela; Oliveira, Ramon Ferreira; Rocha, Sofia Maria Gonçalves; Gonçalves, Fabrício Gomes

doi:10.18671/scifor.v47n121.01

Cited by 4 publications

(3 citation statements)

References 7 publications

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“…Considering that cutting speed and feed rate influence the quality of machined wood, Da Silva et al (2007) concluded that low feed rates and high cutting speeds reduce the quality of machined wood by causing surface carbonization. On the other hand, high values of this relationship can result in fiber tearing, also leading to a reduction in the quality of machined wood (Da Silva et al, 2019).…”

Section: Resultsmentioning

confidence: 99%

Evaluation of the surface quality of reused woods from Maçaranduba (Manilkara sp.) and Sucupira (Pterodon sp.)

Fernandes

Ribeiro

Fraga

et al. 2023

RSD

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The present study aimed to evaluate the surface quality of reused wood, analyzing whether the behavior and characteristics indicated in the production of furniture are still maintained after use, in order to indicate appropriate uses and applications. In the furniture sector, the better the machined surface, the better the quality of the product. Two wood boards of Maçaranduba (Manilkara sp.) and Sucupira (Pterodon sp.) were then manually planed longitudinally and tangentially, considering the slow and fast machining speeds for each face, and the evaluation of the feed and speed speeds advancement per tooth. The relationship between feed speed and surface finish quality was observed, since faces machined at high speed presented a thick finish, obtaining 11.10 m.min-1 and 7.09 m.min-1 in feed speed for, respectively, Maçaranduba and Sucupira. The faces machined at slow speed showed medium quality of finish, less roughness and better quality of the planed surface according to the ASTM D 1666-22 standard when presenting 3.17 m.min-1 and 2.79 m.min-1 at speed of advance to, respectively, Maçaranduba and Sucupira. It was also noted that the faces that have a thick finish and, consequently, a higher feed speed per tooth, are subject to rework in order to achieve the necessary quality for furniture manufacturing. In view of this, it was verified that Maçaranduba machined slowly presented excellent surface quality, responding positively to the objective of the exposed work.

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Section: Resultsmentioning

confidence: 99%

Evaluation of the surface quality of reused woods from Maçaranduba (Manilkara sp.) and Sucupira (Pterodon sp.)

Fernandes

Ribeiro

Fraga

et al. 2023

RSD

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“…Being able to be compared to wood of native origin in terms of quality parameters, there is still a lack of technological and scientific information regarding the quality of the wood and the management of Brazilian Mahogany (Langbour et al, 2011;Silva et al, 2019). Thus, the aim of this study was to determine the quality of Brazilian Mahogany wood (Swietenia macrophylla King) in a 20-yearold equine plantation located in the Central Amazon.…”

Section: Introductionmentioning

confidence: 99%

Quality of the wood Swietenia macrophylla from planting in the Central Amazon

Silva¹,

Pio²,

Santos³

et al. 2023

JER

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The aim of this study was to determine the quality of wood from Swietenia macrophylla in commercial plantation aged 20 years in the Central Amazon. The planting has a total of 100 hectares, with initial spacing of 7 m x 6 m. Five trees were selected for sampling by destructive method. The quality of the wood was evaluated considering the physical and mechanical properties. A completely randomized design was used considering a probability level of 95%. The only variable that did not show a significant difference between shafts was MOE compression. For the other variables, the stems with the best performances were those with a diameter between 25 cm and 35 cm. The wood from: Swietenia macrophylla in planting for 20 years, it has a high modulus of rupture, medium modulus of elasticity, medium shear strength, medium hardness and medium resistance to compression parallel to the fibers, indicating the possibility of use for commercial purposes.

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“…Entretanto, aliada à parte silvicultural, deve-se também, serem desenvolvidas pesquisas relacionadas ao uso da madeira, visando o aproveitamento racional do lenho (FERREIRA et al, 2015). Os produtores e investidores florestais seguem os modelos de implantação dos povoamentos de espécies nativas de acordo com técnicas de manejo empregadas para a cultura do eucalipto, devido em parte, à carência de informações sobre plantações comerciais das espécies nativas brasileiras (SILVA et al, 2019).…”

Section: _introduçãounclassified

Teores de extrativos na madeira de Mogno Brasileiro / Extractive contents in Brazilian Mahogany wood

Zaque¹,

Mendoza²,

Borges³

et al. 2021

Braz. Ap. Sci. Rev.

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O Mogno é uma espécie de ocorrência natural no Brasil e em vários outros países da América do Sul. A madeira é usada na produção de móveis, por causa da facilidade com que é trabalhada, pela estabilidade dimensional e durabilidade. A elevada qualidade dessa madeira e, consequentemente, a grande aceitação no mercado consumidor, estimula a sua exploração ilegal. No intuito de preservá-la, ela foi incluída na lista oficial de espécies da flora brasileira ameaçadas de extinção, passando a ser objeto de estudo por vários pesquisadores. Neste trabalho objetivou-se quantificar, em diferentes tipos de solventes, os teores de extrativos na madeira de mogno brasileiro, visando ampliar os estudos referentes às qualidades tecnológicas dessa espécie. A solubilidade dos compostos foi quantificada aplicando-se os métodos de extrações em água (fria e quente) norma ABTCP M4/68, NaOH (1%) norma ABTCP M5/68 e álcool/tolueno norma ABTCP M3/69, adotando-se 6 (seis) repetições para cada ensaio. Concluiu-se que os menores teores de extrativos foram para os ensaios com água fria e os maiores foram com o uso de hidróxido de sódio (1%), sendo a base o local do tronco onde ocorreu a maior solubilidade desses compostos, independentemente do tipo de solvente utilizado. A quantidade de material extraído foi compatível com o de outras folhosas estudadas na literatura, o que motiva as pesquisas com essa espécie para uso em plantios homogêneos e/ou consorciados, para fins de suprimento de madeira e derivados para o setor florestal.

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Qualidade da madeira de mogno brasileiro plantado para a produção de serrados

Cited by 4 publications

References 7 publications

Evaluation of the surface quality of reused woods from Maçaranduba (Manilkara sp.) and Sucupira (Pterodon sp.)

Evaluation of the surface quality of reused woods from Maçaranduba (Manilkara sp.) and Sucupira (Pterodon sp.)

Quality of the wood Swietenia macrophylla from planting in the Central Amazon

Teores de extrativos na madeira de Mogno Brasileiro / Extractive contents in Brazilian Mahogany wood

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