{"id":5457,"date":"2025-05-07T17:23:43","date_gmt":"2025-05-07T17:23:43","guid":{"rendered":"https:\/\/tecnoloxia.com\/auga\/?p=5457"},"modified":"2025-05-18T18:58:42","modified_gmt":"2025-05-18T18:58:42","slug":"a-serra-hidraulica-de-marzan","status":"publish","type":"post","link":"https:\/\/tecnoloxia.com\/auga\/a-serra-hidraulica-de-marzan\/","title":{"rendered":"A serra hidr\u00e1ulica de Marz\u00e1n"},"content":{"rendered":"<style>.wp-block-kadence-advancedheading.kt-adv-heading5457_05285f-ce, .wp-block-kadence-advancedheading.kt-adv-heading5457_05285f-ce[data-kb-block=\"kb-adv-heading5457_05285f-ce\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading5457_05285f-ce mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading5457_05285f-ce[data-kb-block=\"kb-adv-heading5457_05285f-ce\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading5457_05285f-ce img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading5457_05285f-ce[data-kb-block=\"kb-adv-heading5457_05285f-ce\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading5457_05285f-ce wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading5457_05285f-ce\">A madeira est\u00e1 ligada, dende os primeiros tempos, \u00e1 historia da humanidade. Foi usada como combustible, para fabricar armas e utensilios de traballo, para a fabricaci\u00f3n de vivendas e foi fundamental na navegaci\u00f3n, facendo posible a construci\u00f3n de embarcaci\u00f3ns.<br><br>Para traballar a madeira us\u00e1ronse unha grande variedade de ferramentas, que foron evolucionando e fac\u00e9ndose m\u00e1is sofisticadas a medida que se avanzou no co\u00f1ecemento dos materiais.<br><br>A construci\u00f3n de serras manuais met\u00e1licas permitiu fabricar obxectos de madeira cada vez m\u00e1is complexos diminu\u00edndo o tempo de fabricaci\u00f3n.<br>Para a obtenci\u00f3n de t\u00e1boas era preciso, mediante o uso de serras a acci\u00f3n conxunta de dous individuos que, apoiando o toro nunha estrutura chamada burro, imprim\u00edan a ferramenta un movemento de vaiv\u00e9n.<\/p>\n\n\n<style>.kb-image5457_fe76e8-cd:not(.kb-image-is-ratio-size) .kb-img, .kb-image5457_fe76e8-cd.kb-image-is-ratio-size{padding-top:4px;padding-right:4px;padding-bottom:4px;padding-left:4px;}.kb-image5457_fe76e8-cd .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;}.kb-image5457_fe76e8-cd img.kb-img, .kb-image5457_fe76e8-cd .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);background-color:var(--ast-global-color-3);border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;}@media all and (max-width: 1024px){.kb-image5457_fe76e8-cd img.kb-img, .kb-image5457_fe76e8-cd .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);}}@media all and (max-width: 767px){.kb-image5457_fe76e8-cd img.kb-img, .kb-image5457_fe76e8-cd .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);}}<\/style>\n<div class=\"wp-block-kadence-image kb-image5457_fe76e8-cd\"><figure class=\"aligncenter size-tenweb_optimizer_tablet\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"544\" src=\"https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/aserradores-manuais-768x544.jpeg\" alt=\"aserradores manuais\" class=\"kb-img wp-image-5462\" srcset=\"https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/aserradores-manuais-768x544.jpeg 768w, https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/aserradores-manuais-300x212.jpeg 300w, https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/aserradores-manuais-1024x725.jpeg 1024w, https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/aserradores-manuais-600x425.jpeg 600w, https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/aserradores-manuais.jpeg 1500w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>Serradores manuais<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A mecanizaci\u00f3n do serrado da madeira foi bastante tard\u00eda, probablemente debido a que os enxe\u00f1os de serrar eran complexos e a actividade moi especializada. Na actualidade, non existe moita documentaci\u00f3n hist\u00f3rica relacionada cas m\u00e1quinas de serrar.<br><br>Os enxe\u00f1os de serrado mec\u00e1nico, movidos de forma manual primeiro e usando a enerx\u00eda da auga e do vento despois, desenvolv\u00e9ronse paralelamente a unha expansi\u00f3n da construci\u00f3n, tanto de vivendas e igrexas como naval.<br><br>A primeira representaci\u00f3n gr\u00e1fica dunha serra hidr\u00e1ulica alternativa de madeira da que temos noticia, \u00e9 a que realiza Villard de Honnecourt por volta do 1235. Tr\u00e1tase dunha serra vertical que funciona cun sistema de accionamento por pancas para o movemento descendente e que aproveita as propiedades el\u00e1sticas da madeira para o movemento ascendente.<\/p>\n\n\n<style>.kb-image5457_6a6326-8d:not(.kb-image-is-ratio-size) .kb-img, .kb-image5457_6a6326-8d.kb-image-is-ratio-size{padding-top:4px;padding-right:4px;padding-bottom:4px;padding-left:4px;}.kb-image5457_6a6326-8d .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;}.kb-image5457_6a6326-8d img.kb-img, .kb-image5457_6a6326-8d .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);background-color:var(--ast-global-color-3);border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;}@media all and (max-width: 1024px){.kb-image5457_6a6326-8d img.kb-img, .kb-image5457_6a6326-8d .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);}}@media all and (max-width: 767px){.kb-image5457_6a6326-8d img.kb-img, .kb-image5457_6a6326-8d .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);}}<\/style>\n<div class=\"wp-block-kadence-image kb-image5457_6a6326-8d\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"325\" height=\"266\" src=\"https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/02\/serra-de-Villar.webp\" alt=\"serra de Villar de Honnnecourt\" class=\"kb-img wp-image-3905\" srcset=\"https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/02\/serra-de-Villar.webp 325w, https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/02\/serra-de-Villar-300x246.webp 300w\" sizes=\"auto, (max-width: 325px) 100vw, 325px\" \/><figcaption>Serra de Villard de Honnecourt<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><br>O sistema biela-manivela, que permite transformar o movemento circular continuo en movemento rectil\u00edneo alternativo, atop\u00e1molo en ilustraci\u00f3ns de finais do s\u00e9culo XIV. A\u00ednda que hai algunha referencia xa no mundo romano. En concreto, hai un baixorrelevo do no s\u00e9culo III d.C. na que se pode interpretar que aparece unha serra hidr\u00e1ulica de marmore que funciona cun sistema biela-manivela.<br><br>O primeiro dese\u00f1o detallado dunha serra hidr\u00e1ulica co sistema biela-manivela deb\u00e9mosllo a Francesco de Giorgio (1439-1501) a finais do s\u00e9culo XV. Aproximadamente na mesma \u00e9poca Leonardo da Vinci (1452-1519) realiza un debuxo ca s\u00faa propia versi\u00f3n de serra hidr\u00e1ulica, moi parecida a de Francesco de Giorgio. O dese\u00f1o desta m\u00e1quina de Leonardo, que alg\u00fans estudosos da s\u00faa obra soste\u00f1en que se trata dunha copia do natural con eventuais modificaci\u00f3ns, est\u00e1 inclu\u00eddo no C\u00f3dice Atl\u00e1ntico, a maior recompilaci\u00f3n de documentos, debuxos e proxectos do xenial sabio. Nos dese\u00f1os de ambos autores aparece, ademais do mecanismo biela-manivela, un interesante sistema de avance autom\u00e1tico do carro que transporta o toro baseado nun dispositivo de trinquete similar ao escape dun reloxo.<\/p>\n\n\n<style>.kb-row-layout-id5457_ed36ff-9c > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id5457_ed36ff-9c > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id5457_ed36ff-9c > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:repeat(2, minmax(0, 1fr));}.kb-row-layout-id5457_ed36ff-9c > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id5457_ed36ff-9c > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id5457_ed36ff-9c > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id5457_ed36ff-9c alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column5457_708058-55 > .kt-inside-inner-col{display:flex;}.kadence-column5457_708058-55 > .kt-inside-inner-col,.kadence-column5457_708058-55 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column5457_708058-55 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column5457_708058-55 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column5457_708058-55 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column5457_708058-55{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column5457_708058-55{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column5457_708058-55 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column5457_708058-55 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column5457_708058-55{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column5457_708058-55{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column5457_708058-55{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column5457_708058-55 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column5457_708058-55 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column5457_708058-55{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column5457_708058-55{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column5457_708058-55 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column5457_708058-55 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column5457_708058-55\"><div class=\"kt-inside-inner-col\"><style>.kb-image5457_837cc6-2e:not(.kb-image-is-ratio-size) .kb-img, .kb-image5457_837cc6-2e.kb-image-is-ratio-size{padding-top:4px;padding-right:4px;padding-bottom:4px;padding-left:4px;}.kb-image5457_837cc6-2e .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;}.kb-image5457_837cc6-2e img.kb-img, .kb-image5457_837cc6-2e .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);background-color:var(--ast-global-color-3);border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;}@media all and (max-width: 1024px){.kb-image5457_837cc6-2e img.kb-img, .kb-image5457_837cc6-2e .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);}}@media all and (max-width: 767px){.kb-image5457_837cc6-2e img.kb-img, .kb-image5457_837cc6-2e .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);}}<\/style>\n<div class=\"wp-block-kadence-image kb-image5457_837cc6-2e\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"325\" height=\"380\" src=\"https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-de-Francesco_pub.webp\" alt=\"serra de Francesco de Giorgio\" class=\"kb-img wp-image-5468\" srcset=\"https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-de-Francesco_pub.webp 325w, https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-de-Francesco_pub-257x300.webp 257w\" sizes=\"auto, (max-width: 325px) 100vw, 325px\" \/><figcaption>Serra hidr\u00e1ulica de Francesco de Giorgio<\/figcaption><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column5457_2d5987-23 > .kt-inside-inner-col,.kadence-column5457_2d5987-23 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column5457_2d5987-23 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column5457_2d5987-23 > .kt-inside-inner-col{flex-direction:column;}.kadence-column5457_2d5987-23 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column5457_2d5987-23 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column5457_2d5987-23{position:relative;}@media all and (max-width: 1024px){.kadence-column5457_2d5987-23 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column5457_2d5987-23 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column5457_2d5987-23\"><div class=\"kt-inside-inner-col\"><style>.kb-image5457_479fa9-0f:not(.kb-image-is-ratio-size) .kb-img, .kb-image5457_479fa9-0f.kb-image-is-ratio-size{padding-top:4px;padding-right:4px;padding-bottom:4px;padding-left:4px;}.kb-image5457_479fa9-0f .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;}.kb-image5457_479fa9-0f img.kb-img, .kb-image5457_479fa9-0f .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);background-color:var(--ast-global-color-3);border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;}@media all and (max-width: 1024px){.kb-image5457_479fa9-0f img.kb-img, .kb-image5457_479fa9-0f .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);}}@media all and (max-width: 767px){.kb-image5457_479fa9-0f img.kb-img, .kb-image5457_479fa9-0f .kb-img img{border-top:1px solid var(--ast-global-color-6);border-right:1px solid var(--ast-global-color-6);border-bottom:1px solid var(--ast-global-color-6);border-left:1px solid var(--ast-global-color-6);}}<\/style>\n<div class=\"wp-block-kadence-image kb-image5457_479fa9-0f\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"527\" height=\"380\" src=\"https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-de-leonardo-da-Vinci_pub.webp\" alt=\"serra de leonardo da Vinci\" class=\"kb-img wp-image-5469\" srcset=\"https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-de-leonardo-da-Vinci_pub.webp 527w, https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-de-leonardo-da-Vinci_pub-300x216.webp 300w\" sizes=\"auto, (max-width: 527px) 100vw, 527px\" \/><figcaption>Serra hidr\u00e1ulica de Leonardo da Vinci<\/figcaption><\/figure><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\"><br>No s\u00e9culo XVI, o serrado mec\u00e1nico ca enerx\u00eda da auga e incluso ca do vento experimenta unha certa expansi\u00f3n por Europa. A\u00ednda as\u00ed, moita madeira segu\u00eda serr\u00e1ndose a man. C\u00f3ntase que a primeira serrar\u00eda mec\u00e1nica constru\u00edda en Inglaterra, en Deptford, foi destru\u00edda polos serradores de monte que consideraban que o novo sistema ameazaba a s\u00faa profesi\u00f3n.<br><br>En Espa\u00f1a as serras movidas por auga est\u00e1n documentadas en datas m\u00e1is tard\u00edas. A primeira referencia que aparece dunha serra hidr\u00e1ulica de madeira deb\u00e9moslla a Ambrosio de Morales que en 1575 describe as\u00ed as serras hidr\u00e1ulicas:<br><br>\u201c<em>Estas assierras de auga, fueron invenci\u00f3n de mucho ingenio: pues con una sola rueda que trae el agua, se haz en cuatro movimientos muy diferentes. Uno de alto para abajo para la sierra. Otro de caminar por tierra el madero, que se corta al justo de lo que la assierra (que est\u00e1 queda y siempre en un lugar)pide. Otros dos de dos ruedas diferentes, una con el eje levantando en pie, y otra con el eje tendido para dar cuerda a la caja en la que va metido el madero, otra para cojer aquella cuerda.\u201d<\/em><br><br>A serra proxectada polos inventores citados chegar\u00e1, nunha data bastante posterior e con lixeiras variaci\u00f3ns, conservando a mesma estrutura e tipolox\u00eda, a Galicia; procedente probablemente do norte de Portugal, onde est\u00e1n documentadas estas serras dende moito antes. Cabe destacar como principais variaci\u00f3ns respecto dos dese\u00f1os orixinais, a incorporaci\u00f3n dun enxe\u00f1oso sistema de regulaci\u00f3n da velocidade do carro que permit\u00eda serrar madeiras de distinta dureza de forma \u00f3ptima, e a aparici\u00f3n dun sistema de retroceso do carro accionando unha manivela, cun mecanismo chamado Sarillo.<br><br>Na actualidade, no Rosal, tense constancia da existencia de tres serrar\u00edas, a do Couto en Valdemi\u00f1otos<sup>i<\/sup>, que se atopa en ru\u00ednas e non conserva nada da s\u00faa maquinaria. A de Fornelos, cuxo edificio e levada est\u00e1n en perfecto estado e da que se conserva algunha peza orixinal e a do mu\u00ed\u00f1o do pighorro en Marz\u00e1n, alimentada polo regato da Soberbia. Esta \u00faltima estaba nun excelente estado de conservaci\u00f3n (en 2004 cando se visitou por primeira vez) e actuouse sobre ela en 2008 para restaurala, tanto o edificio como a maquinaria. Hai testemu\u00f1as, que falan doutras serrar\u00edas ee auga, pero non se puideron contrastar.<br><br>Respecto do norte de Portugal, hai moitas serrar\u00edas catalogadas e en moi bo estado de conservaci\u00f3n, como \u00e9 o caso da <a href=\"https:\/\/vieiraminhoturismo.com\/conjunto-hidraulico-de-rossas\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">serra de Rossas en Vieira do Minho<\/a> ou a de Pereiras (Monte Cordova) en Santo Tirso. En calquera caso en Portugal hai un maior n\u00famero de serras catalogadas e mellor conservadas que en Galicia. Isto \u00e9 debido a que eles traballaron con estas m\u00e1quinas ata unha \u00e9poca m\u00e1is recente e a que investiron m\u00e1is esforzos no mantemento, catalogaci\u00f3n e restauraci\u00f3n do seu patrimonio etnogr\u00e1fico industrial.<\/p>\n\n\n<style>.kb-image5457_9f52e2-ad:not(.kb-image-is-ratio-size) .kb-img, .kb-image5457_9f52e2-ad.kb-image-is-ratio-size{padding-top:var(--global-kb-spacing-xs, 1rem);padding-right:var(--global-kb-spacing-xs, 1rem);padding-bottom:var(--global-kb-spacing-xs, 1rem);padding-left:var(--global-kb-spacing-xs, 1rem);}.kb-image5457_9f52e2-ad .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;}.kb-image5457_9f52e2-ad img.kb-img, .kb-image5457_9f52e2-ad .kb-img img{border-top:4px solid var(--ast-global-color-3);border-right:4px solid var(--ast-global-color-3);border-bottom:4px solid var(--ast-global-color-3);border-left:4px solid var(--ast-global-color-3);border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;}@media all and (max-width: 1024px){.kb-image5457_9f52e2-ad img.kb-img, .kb-image5457_9f52e2-ad .kb-img img{border-top:4px solid var(--ast-global-color-3);border-right:4px solid var(--ast-global-color-3);border-bottom:4px solid var(--ast-global-color-3);border-left:4px solid var(--ast-global-color-3);}}@media all and (max-width: 767px){.kb-image5457_9f52e2-ad img.kb-img, .kb-image5457_9f52e2-ad .kb-img img{border-top:4px solid var(--ast-global-color-3);border-right:4px solid var(--ast-global-color-3);border-bottom:4px solid var(--ast-global-color-3);border-left:4px solid var(--ast-global-color-3);}}<\/style>\n<div class=\"wp-block-kadence-image kb-image5457_9f52e2-ad\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"814\" src=\"https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-hidraulica-alternativa.webp\" alt=\"serra hidr\u00e1ulica alternativa\" class=\"kb-img wp-image-5478\" srcset=\"https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-hidraulica-alternativa.webp 1000w, https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-hidraulica-alternativa-300x244.webp 300w, https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-hidraulica-alternativa-768x625.webp 768w, https:\/\/tecnoloxia.com\/auga\/wp-content\/uploads\/2025\/05\/serra-hidraulica-alternativa-600x488.webp 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption>Representaci\u00f3n que serviu de base para restastaurar a serra hidr\u00e1ulica de Marz\u00e1n (O Rosal)<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">No <em>inquerito industrial<sup>ii<\/sup><\/em> de 1881 nos concellos do distrito do Porto ti\u00f1an recollidos 45 enxe\u00f1os de serrar hidr\u00e1ulicos e 181 <em>serradores bra\u00e7ais<sup>iii<\/sup><\/em>.<br><a href=\"https:\/\/tecnoloxia.com\/auga\/imaxes\/#bwg9\/95\" target=\"_blank\" rel=\"noreferrer noopener\">A serrar\u00eda hidr\u00e1ulica de Marz\u00e1n <\/a>\u00e9 unha instalaci\u00f3n constru\u00edda a finais do s\u00e9culo XIX que consta, cunha superficie de case 100 m2, dunha serra hidr\u00e1ulica alternativa e dous mu\u00ed\u00f1os de rodicio. Despois de pasar por d\u00faas restauraci\u00f3ns, a primeira centrada no edificio e a cuberta e a segunda centrada no edificio e a maquinaria tanto da serra como dos mu\u00ed\u00f1os, este complexo at\u00f3pase en moi bo estado, de tal maneira que, complementando un sistema de informaci\u00f3n adecuado, poder\u00eda converterse nun atractivo para os curiosos e visitantes que permitir\u00eda entender e admirar o complexo funcionamento dunha serra hidr\u00e1ulica alternativa.<br><br>A serra da que estamos a falar, polas circunstancias que se dan en Galicia en canto a ausencia de restauraci\u00f3ns deste tipo de enxe\u00f1os e a escasa documentaci\u00f3n bibliogr\u00e1fica e planim\u00e9trica, ten un alto interese e singularidade etnogr\u00e1fica. Esta serra, igual que outras que podemos atopar noutros lugares de Galicia e norte de Portugal, est\u00e1 constru\u00edda a partir dos dese\u00f1os de Francesco de Giorgio e Leonardo da Vinci e non ten variaci\u00f3ns substanciais respecto dos debuxos orixinais destes.<br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A madeira est\u00e1 ligada, dende os primeiros tempos, \u00e1 historia da humanidade. Foi usada como combustible, para fabricar armas e utensilios de traballo, para a fabricaci\u00f3n de vivendas e foi fundamental na navegaci\u00f3n, facendo posible a construci\u00f3n de embarcaci\u00f3ns. Para traballar a madeira us\u00e1ronse unha grande variedade de ferramentas, que foron evolucionando e [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5478,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[325,324,326,323],"class_list":["post-5457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tecnoloxia","tag-aserrado","tag-serra","tag-serradores","tag-tecnoloxia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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