Análisis del rendimiento y utilidad del proceso de aserrío de trocería de pino
In this study a sample size of 87 logs was determined to achieve a 95% confidence, based on the variation of the lumber recovery of a presample of 37 logs. From the logs sampled, 43% were classified as high quality, 26% as medium and 31% as poor quality. Regarding the diameter, 89.65% were within a...
| Hlavní autoři: | , |
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| Médium: | Online |
| Jazyk: | spa |
| Vydáno: |
Instituto de Ecología, A.C.
2016
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| On-line přístup: | https://myb.ojs.inecol.mx/index.php/myb/article/view/1374 |
| _version_ | 1799769308064120832 |
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| author | Zavala Zavala, David Hernández Cortés, Raúl |
| author_facet | Zavala Zavala, David Hernández Cortés, Raúl |
| author_sort | Zavala Zavala, David |
| collection | MYB |
| description | In this study a sample size of 87 logs was determined to achieve a 95% confidence, based on the variation of the lumber recovery of a presample of 37 logs. From the logs sampled, 43% were classified as high quality, 26% as medium and 31% as poor quality. Regarding the diameter, 89.65% were within a range of 30 to 55 cm. A lumber recovery factor of 51% was determined and a proportion of slabs and end trims of 27% and 22% of sawdust. The quality and diameter of the logs did not seem to have any influence on lumber recovery, but a relationship was found between log quality and lumber quality, logs of 1st and 2nd class produced 31.70% and 19.44% of quality lumber, logs of 3rd class generated 33.60% of 3rd grade lumber, logs of 4th and 5th grade produced 34.79% and 29.18% of 4th and 5th lumber grade respectively. A log price of $432.00 per m3 and a processing cost of $510.95 per mbf were determined. Comparing the costs of these two concepts with the price of the lumber, a revenue of $968.18 per mbf was determined. |
| format | Online |
| id | oai:oai.myb.ojs.inecol.mx:article-1374 |
| institution | Madera y Bosques |
| language | spa |
| publishDate | 2016 |
| publisher | Instituto de Ecología, A.C. |
| record_format | ojs |
| spelling | oai:oai.myb.ojs.inecol.mx:article-13742022-11-30T01:00:38Z Análisis del rendimiento y utilidad del proceso de aserrío de trocería de pino Análisis del rendimiento y utilidad del proceso de aserrío de trocería de pino Zavala Zavala, David Hernández Cortés, Raúl Saw-milling process lumber recovery revenue Proceso de aserrío coeficiente de aprovechamiento rentabilidad In this study a sample size of 87 logs was determined to achieve a 95% confidence, based on the variation of the lumber recovery of a presample of 37 logs. From the logs sampled, 43% were classified as high quality, 26% as medium and 31% as poor quality. Regarding the diameter, 89.65% were within a range of 30 to 55 cm. A lumber recovery factor of 51% was determined and a proportion of slabs and end trims of 27% and 22% of sawdust. The quality and diameter of the logs did not seem to have any influence on lumber recovery, but a relationship was found between log quality and lumber quality, logs of 1st and 2nd class produced 31.70% and 19.44% of quality lumber, logs of 3rd class generated 33.60% of 3rd grade lumber, logs of 4th and 5th grade produced 34.79% and 29.18% of 4th and 5th lumber grade respectively. A log price of $432.00 per m3 and a processing cost of $510.95 per mbf were determined. Comparing the costs of these two concepts with the price of the lumber, a revenue of $968.18 per mbf was determined. En este estudio se determinó un tamaño de muestra de 87 trozas para lograr una confiabilidad del 95%, con base en la variación del coeficiente de aserrío de una premuestra de 30 trozas. De la trocería procesada, un 43% se clasificó como de alta calidad, un 26% de clase media y un 31% de baja calidad. Respecto al diámetro, el 89.65% se ubicó en un rango de 30 a 55 cm. Se determinó un coeficiente de aprovechamiento nominal de 51% y una proporción de costeras y recortes de 27% y el porcentaje de aserrín de 22%. La calidad y diámetro de las trozas no influyeron en el coeficiente de aserrío, pero sí se presentó una relación directa entre la calidad de las trozas con la calidad de la madera aserrada, la trocería de 1a y 2a, generó un 31.70% y un 19.44% de madera de clase; la trocería de 3ª generó un 33.60% de madera de 3ra; la trocería de 4ª y 5ª un 34.79% y un 29.18% de madera de 4ª y 5a respectivamente. Se determinó un costo de la trocería de $432.00 por m3r, un costo de aserrío de $216.68 por m3 ($510.95/ por mpt). Relacionando los costos de estos dos conceptos con los precios de venta de la madera, se determinó una utilidad de $410.58 por m3 ($968.16 por mpt). Instituto de Ecología, A.C. 2016-09-05 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo evaluado por pares application/pdf https://myb.ojs.inecol.mx/index.php/myb/article/view/1374 10.21829/myb.2000.621374 Madera y Bosques; Vol. 6 No. 2 (2000): Otoño 2000; 41-55 Madera y Bosques; Vol. 6 Núm. 2 (2000): Otoño 2000; 41-55 2448-7597 1405-0471 spa https://myb.ojs.inecol.mx/index.php/myb/article/view/1374/1542 Derechos de autor 2016 Madera y Bosques |
| spellingShingle | Zavala Zavala, David Hernández Cortés, Raúl Análisis del rendimiento y utilidad del proceso de aserrío de trocería de pino |
| title | Análisis del rendimiento y utilidad del proceso de aserrío de trocería de pino |
| title_full | Análisis del rendimiento y utilidad del proceso de aserrío de trocería de pino |
| title_fullStr | Análisis del rendimiento y utilidad del proceso de aserrío de trocería de pino |
| title_full_unstemmed | Análisis del rendimiento y utilidad del proceso de aserrío de trocería de pino |
| title_short | Análisis del rendimiento y utilidad del proceso de aserrío de trocería de pino |
| title_sort | análisis del rendimiento y utilidad del proceso de aserrío de trocería de pino |
| url | https://myb.ojs.inecol.mx/index.php/myb/article/view/1374 |
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