{"id":606,"date":"2012-09-15T11:09:13","date_gmt":"2012-09-15T11:09:13","guid":{"rendered":"http:\/\/alexandrewack.fr\/?page_id=606"},"modified":"2025-12-17T13:55:25","modified_gmt":"2025-12-17T13:55:25","slug":"06-le-pliage-de-tole","status":"publish","type":"page","link":"http:\/\/alexandrewack.fr\/?page_id=606","title":{"rendered":"Le pliage de T\u00f4le"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-link-color wp-elements-8d9ef28e6fa27884c13c5f6722adf6ff\"><strong><u>D\u00e9finition&nbsp;:<\/u><\/strong><\/h2>\n\n\n\n<p>Le pliage est une op\u00e9ration de conformation \u00e0 froid qui consiste \u00e0 d\u00e9former une t\u00f4le plane en changeant la direction de ses fibres de fa\u00e7on brusque suivant un angle.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"692\" height=\"235\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-28.png\" alt=\"\" class=\"wp-image-3076\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-28.png 692w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-28-300x102.png 300w\" sizes=\"auto, (max-width: 692px) 100vw, 692px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-30-1024x683.png\" alt=\"\" class=\"wp-image-3080\" style=\"aspect-ratio:1.499330655957162;width:497px;height:auto\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-30-1024x683.png 1024w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-30-300x200.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-30-768x512.png 768w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-30.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong><u>Le Pli\u00a0: Au niveau des fibres que de passe-t-il\u00a0?<br><\/u><\/strong>Lors du pliage, la t\u00f4le subit une pression qui change l\u2019orientation des fibres. Les fibres int\u00e9rieures sont comprim\u00e9es alors que celle ext\u00e9rieur subissent un \u00e9tirement. L\u2019angle est appel\u00e9 \u00ab\u00a0angle de pliage\u00a0\u00bb<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-31-1024x683.png\" alt=\"\" class=\"wp-image-3081\" style=\"width:387px;height:auto\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-31-1024x683.png 1024w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-31-300x200.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-31-768x512.png 768w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-31.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-link-color wp-elements-26b5455406aef3d537fc74a13f9f4c0b\"><strong><u>Aspect de la zone pli\u00e9e\u00a0:<\/u><\/strong><\/h2>\n\n\n\n<p data-wp-context---core-fit-text=\"core\/fit-text::{&quot;fontSize&quot;:&quot;&quot;}\" data-wp-init---core-fit-text=\"core\/fit-text::callbacks.init\" data-wp-interactive data-wp-style--font-size=\"core\/fit-text::context.fontSize\" class=\"has-fit-text\">Seule la fibre moyenne <strong>NE VARIE PAS EN LONGUEUR. <\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n\n\n\n<p>On constate que le pli s\u2019effectue suivant un<strong> RAYON<\/strong><\/p>\n\n\n\n<p>Le pliage peut \u00eatre consid\u00e9r\u00e9 comme un <strong>CINGTRAGE LOCALISE<\/strong><\/p>\n\n\n\n<p>Les fibres ext\u00e9rieures <strong>S\u2019ETIRENT<\/strong><\/p>\n\n\n\n<p>Les fibres int\u00e9rieures se <strong>COMPRIMENT<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"990\" height=\"577\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-32.png\" alt=\"\" class=\"wp-image-3082\" style=\"aspect-ratio:1.7158176943699732;width:568px;height:auto\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-32.png 990w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-32-300x175.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2025\/12\/image-32-768x448.png 768w\" sizes=\"auto, (max-width: 990px) 100vw, 990px\" \/><\/figure>\n\n\n\n<p class=\"has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-link-color wp-elements-69afde5e3136284e3fa48c0f544de9a9\"><strong><u>Un pli se caract\u00e9rise par\u00a0:<\/u><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u2019\u00e9paisseur<\/strong> de la t\u00f4le<\/li>\n\n\n\n<li><strong>Le rayon int\u00e9rieur<\/strong> de pliage<\/li>\n\n\n\n<li><strong>L\u2019angle de pliage <\/strong><strong>a<\/strong><strong>\u00b0<\/strong><\/li>\n\n\n\n<li>La longueur de <strong>pliage<\/strong><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9finition&nbsp;: Le pliage est une op\u00e9ration de conformation \u00e0 froid qui consiste \u00e0 d\u00e9former une t\u00f4le plane en changeant la direction de ses fibres de fa\u00e7on brusque suivant un angle. Le Pli\u00a0: Au niveau des fibres que de passe-t-il\u00a0?Lors du pliage, la t\u00f4le subit une pression qui change l\u2019orientation des fibres. Les fibres int\u00e9rieures sont [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":75,"menu_order":7,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-606","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/pages\/606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=606"}],"version-history":[{"count":8,"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/pages\/606\/revisions"}],"predecessor-version":[{"id":3084,"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/pages\/606\/revisions\/3084"}],"up":[{"embeddable":true,"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/pages\/75"}],"wp:attachment":[{"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}