{"id":18523,"date":"2019-11-16T17:24:00","date_gmt":"2019-11-16T16:24:00","guid":{"rendered":"https:\/\/eurekaweb.fr\/wp\/?p=18523"},"modified":"2021-11-29T18:54:47","modified_gmt":"2021-11-29T17:54:47","slug":"tronconneuse-scie-mecanique-scie-a-chaine","status":"publish","type":"post","link":"https:\/\/eurekaweb.fr\/wp\/tronconneuse-scie-mecanique-scie-a-chaine\/","title":{"rendered":"Tron\u00e7onneuse &#8211; scie m\u00e9canique &#8211; scie \u00e0 cha\u00eene"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;18523&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 vote)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Tron\u00e7onneuse - scie m\u00e9canique - scie \u00e0 cha\u00eene&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">Rate this post<\/span>\n    <\/div>\n    <\/div>\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/i0.wp.com\/eurekaweb.fr\/wp\/wp-content\/uploads\/2021\/11\/tronconneuse-scie-mecanique-scie-a-chaine-1024x683.jpg?resize=1024%2C683&#038;ssl=1\" alt=\"\" class=\"wp-image-18544\" srcset=\"https:\/\/i0.wp.com\/eurekaweb.fr\/wp\/wp-content\/uploads\/2021\/11\/tronconneuse-scie-mecanique-scie-a-chaine.jpg?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/eurekaweb.fr\/wp\/wp-content\/uploads\/2021\/11\/tronconneuse-scie-mecanique-scie-a-chaine.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/eurekaweb.fr\/wp\/wp-content\/uploads\/2021\/11\/tronconneuse-scie-mecanique-scie-a-chaine.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/eurekaweb.fr\/wp\/wp-content\/uploads\/2021\/11\/tronconneuse-scie-mecanique-scie-a-chaine.jpg?resize=600%2C400&amp;ssl=1 600w, https:\/\/i0.wp.com\/eurekaweb.fr\/wp\/wp-content\/uploads\/2021\/11\/tronconneuse-scie-mecanique-scie-a-chaine.jpg?resize=90%2C60&amp;ssl=1 90w, https:\/\/i0.wp.com\/eurekaweb.fr\/wp\/wp-content\/uploads\/2021\/11\/tronconneuse-scie-mecanique-scie-a-chaine.jpg?resize=135%2C90&amp;ssl=1 135w, https:\/\/i0.wp.com\/eurekaweb.fr\/wp\/wp-content\/uploads\/2021\/11\/tronconneuse-scie-mecanique-scie-a-chaine.jpg?w=1080&amp;ssl=1 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>L&rsquo;invention de la tron\u00e7onneuse&#8230; Contrairement aux id\u00e9es re\u00e7ues, la vocation premi\u00e8re de cet outil n&rsquo;\u00e9tait pas de facilit\u00e9 le travail des bucherons pour couper les arbres. Cette scie m\u00e9canique a \u00e9t\u00e9 con\u00e7ue \u00e0 l&rsquo;origine pour am\u00e9liorer les interventions chirurgicales lors de <strong>complications<\/strong>&nbsp;pendant l&rsquo;<strong>accouchement<\/strong>. La premi\u00e8re tron\u00e7onneuse m\u00e9dicale serait apparue \u00e0 la fin des ann\u00e9es 1780. Cette&nbsp;longue cha\u00eene dent\u00e9e disposait d\u2019une poign\u00e9e \u00e0 chacune de ses extr\u00e9mit\u00e9s. Elle permettait d&rsquo;obtenir des r\u00e9sultats nets lors d&rsquo;une symphysiotomie, une alternative \u00e0 la c\u00e9sarienne. L&rsquo;op\u00e9ration \u00e0 l&rsquo;\u00e9poque permettait d&rsquo;agrandir le diam\u00e8tre pelvien de la m\u00e8re en sectionnant partiellement les fibres qui relient les os pubiens \u00e0 l&rsquo;avant du bassin. <\/p>\n\n\n\n<h4 class=\"wp-block-heading\">La tron\u00e7onneuse invent\u00e9e pour faciliter les accouchements \u00e0 risque.<\/h4>\n\n\n\n<p>En 1830, un orthop\u00e9diste am\u00e9liore le concept de cette scie \u00e0 chaine en actionnant cette derni\u00e8re enroul\u00e9e autour d&rsquo;une lame de guidage \u00e0 l&rsquo;aide d&rsquo;une manivelle. L&rsquo;outil est plus rapide et il peut d\u00e9sormais tourner \u00e0 l&rsquo;infini. Cette tron\u00e7onneuse est tellement efficace que des chirurgiens l&rsquo;utilisent pour d\u2019autres op\u00e9rations et dissections.<\/p>\n\n\n\n<p>Finalement, au d\u00e9but du XXeme si\u00e8cle, les techniques et les conditions d&rsquo;hygi\u00e8ne s&rsquo;am\u00e9liorent grandement dans les h\u00f4pitaux. Cette tron\u00e7onneuse m\u00e9dicale finit donc par \u00eatre d\u00e9laiss\u00e9e. Mais cela n&#8217;emp\u00eachera le concept de trouver un autre march\u00e9 tr\u00e8s porteur. Celui des professionnels de la for\u00eat !<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Pour l&rsquo;abattage, le&nbsp;<em>b\u00fbcheron<\/em>&nbsp;gagne un temps pr\u00e9cieux avec la&nbsp;<em>tron\u00e7onneuse<\/em><\/h4>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Chainsaw stihl MS 462 tree felling\" width=\"1060\" height=\"596\" src=\"https:\/\/www.youtube.com\/embed\/3eeFFWgn_Gs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>C&rsquo;est un bucheron am\u00e9ricain de San Francisco qui reprend l&rsquo;id\u00e9e de base de cet engin pour l&rsquo;aider \u00e0 abattre des s\u00e9quoias g\u00e9ants. Il d\u00e9pose en 1905 une demande de brevet pour une \u00ab\u00a0scie \u00e0 chaine sans fin\u00a0\u00bb. Cela sera la premi\u00e8re tron\u00e7onneuse primitive pour le bois. La tron\u00e7onneuse ne cessera d&rsquo;\u00e9voluer au fil des ann\u00e9es. De premi\u00e8res scies thermiques \u00e0 cha\u00eene droite font leur apparition d\u00e8s 1910. Des outils motoris\u00e9s plus rapides que l&rsquo;homme avec sa simple scie pour abattre ou \u00e9laguer un arbre, d\u00e9biter un tronc.. Des mod\u00e8les de tron\u00e7onneuses \u00e9lectriques seront cr\u00e9\u00e9s dans les ann\u00e9es 1920. Les premi\u00e8res tron\u00e7onneuses \u00e9taient lourdes, peu maniable. Au fil du temps, elles deviendront l\u00e9g\u00e8res, puissantes et fonctionnelles.<\/p>\n\n\n\n<p><a href=\"https:\/\/amzn.to\/2YSkLWR\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Voir une tron\u00e7onneuse \u00e9lectrique sur Amazon<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;invention de la tron\u00e7onneuse&#8230; Contrairement aux id\u00e9es re\u00e7ues, la vocation premi\u00e8re de cet outil n&rsquo;\u00e9tait pas de facilit\u00e9 le travail des bucherons pour couper les <\/p>\n","protected":false},"author":1,"featured_media":18544,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5],"tags":[6607,6606,6604,707,6605,1278,13,5668,6601,6603,6602,6600],"class_list":["post-18523","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sciences-techniques","tag-accouchement","tag-arbres","tag-bucheron","tag-chirurgie","tag-couper","tag-innovation","tag-invention","tag-medecine","tag-scie","tag-scie-a-chaine","tag-scie-mecanique","tag-troconneuse","has_thumb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tron\u00e7onneuse - scie m\u00e9canique - scie \u00e0 cha\u00eene<\/title>\n<meta name=\"description\" content=\"L&#039;invention de la tron\u00e7onneuse. 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