{"id":94,"date":"2012-03-12T22:37:42","date_gmt":"2012-03-12T22:37:42","guid":{"rendered":"http:\/\/alexandrewack.fr\/?page_id=94"},"modified":"2023-11-28T06:49:07","modified_gmt":"2023-11-28T06:49:07","slug":"les-vitesses-de-coupe-en-percage","status":"publish","type":"page","link":"http:\/\/alexandrewack.fr\/?page_id=94","title":{"rendered":"Le per\u00e7age"},"content":{"rendered":"\n<p>Il s\u2019agit d\u2019une op\u00e9ration d\u2019usinage consistant au percement d\u2019un trou au travers d\u2019une surface m\u00e9tallique. C\u2019est un usinage par enl\u00e8vement de copeaux. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"481\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/copeaux-en-me\u0301tal-1024x481.jpeg\" alt=\"\" class=\"wp-image-2755\" style=\"aspect-ratio:2.128898128898129;width:316px;height:auto\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/copeaux-en-me\u0301tal-1024x481.jpeg 1024w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/copeaux-en-me\u0301tal-300x141.jpeg 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/copeaux-en-me\u0301tal-768x360.jpeg 768w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/copeaux-en-me\u0301tal-1536x721.jpeg 1536w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/copeaux-en-me\u0301tal.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n<p>Il existe plusieurs sortes de perceuses, les machines portatives et les machines fixes. <u>Les machines fixes peuvent \u00eatre les perceuses \u00e0 colonne ou les perceuses radiales.<\/u><\/p>\n<figure class=\"wp-block-image alignleft size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/perceuse-a-colonne-.png\" alt=\"\" class=\"wp-image-2757\" style=\"width:255px;height:255px\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/perceuse-a-colonne-.png 600w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/perceuse-a-colonne--300x300.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/perceuse-a-colonne--290x290.png 290w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">Perceuse a colonne <\/figcaption><\/figure>\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/perceuse-radiale.jpeg\" alt=\"\" class=\"wp-image-2758\" style=\"aspect-ratio:1;width:287px;height:auto\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/perceuse-radiale.jpeg 800w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/perceuse-radiale-300x300.jpeg 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/perceuse-radiale-290x290.jpeg 290w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/perceuse-radiale-768x768.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Perceuse radial<\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-text-color\"><br>Elle est entra\u00een\u00e9e par un moteur \u00e9lectrique \u00e0 deux vitesses avec un syst\u00e8me de poulies et courroie qui permettent de modifier la vitesse de per\u00e7age n\u00e9cessaire \u00e0 la bonne ex\u00e9cution de l\u2019op\u00e9ration.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"292\" height=\"235\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/image.png\" alt=\"\" class=\"wp-image-2762\"\/><\/figure>\n<\/div><\/div><\/div>\n\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-8783f40bc7a1725ae3f179d1234c729c\">Mise en place des courroies<\/h2>\n\n\n\n<figure class=\"wp-block-embed aligncenter 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 loading=\"lazy\" title=\"Mise en place courroie\" width=\"690\" height=\"388\" src=\"https:\/\/www.youtube.com\/embed\/azLfDgYPxRo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\">mise en place des courroies<\/figcaption><\/figure>\n\n\n\n<p class=\"has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-medium-font-size\"><strong>Descriptif du poste de travail<\/strong>.<\/p>\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"601\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.03.02-1024x601.png\" alt=\"\" class=\"wp-image-2763\" style=\"width:696px;height:408px\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.03.02-1024x601.png 1024w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.03.02-300x176.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.03.02-768x451.png 768w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.03.02.png 1420w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n<p class=\"has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-medium-font-size\"><strong>L&rsquo;outillage <\/strong><\/p>\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"861\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.06.55-1024x861.png\" alt=\"\" class=\"wp-image-2765\" style=\"width:546px;height:459px\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.06.55-1024x861.png 1024w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.06.55-300x252.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.06.55-768x646.png 768w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.06.55.png 1270w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\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 has-medium-font-size wp-elements-4f4d6c045e06c47976bc3096a0edf028\">Montage c\u00f4ne morse sur perceuse \u00e0 colonne. <\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube aligncenter wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Montage c\u00f4ne morse perceuse \u00e0 colonne.\" width=\"690\" height=\"388\" src=\"https:\/\/www.youtube.com\/embed\/PbqO6Fqj3Dk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\">montage c\u00f4ne morse <\/figcaption><\/figure>\n\n\n\n<p class=\"has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-medium-font-size\"><strong>Les mandrins <\/strong><\/p>\n\n\n\n<p><strong>Il existe plusieurs&nbsp;type de mandrin&nbsp;fr\u00e9quemment utiliser en per\u00e7age d\u2019atelier :<\/strong><\/p>\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"580\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.21.18-1024x580.png\" alt=\"\" class=\"wp-image-2768\" style=\"width:570px;height:322px\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.21.18-1024x580.png 1024w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.21.18-300x170.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.21.18-768x435.png 768w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2021\/10\/Capture-de\u0301cran-2021-10-04-a\u0300-23.21.18.png 1490w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n<p class=\"has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-medium-font-size\"><strong>Le per\u00e7age calage des pi\u00e8ces <\/strong><\/p>\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 loading=\"lazy\" title=\"Per\u00e7age\" width=\"690\" height=\"388\" src=\"https:\/\/www.youtube.com\/embed\/j1c7SjCdUiQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-medium-font-size\">R\u00e9glage des vitesses de coupe <\/p>\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 loading=\"lazy\" title=\"Lecture abaque de per\u00e7age\" width=\"690\" height=\"388\" src=\"https:\/\/www.youtube.com\/embed\/16IpxlE77FA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\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 loading=\"lazy\" title=\"Abaque de per\u00e7age comprendre\" width=\"690\" height=\"388\" src=\"https:\/\/www.youtube.com\/embed\/TyRXdOOgbGQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-medium-font-size\">Mise en place de la courroie : <\/h2>\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 loading=\"lazy\" title=\"Mise en place courroie\" width=\"690\" height=\"388\" src=\"https:\/\/www.youtube.com\/embed\/azLfDgYPxRo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-medium-font-size\">Vitesse de rotation en per\u00e7age par calculs<\/h2>\n\n\n\n<p class=\"has-black-color has-text-color\">Pour tout type de per\u00e7age, tournage ou fraisage, la vitesse de rotaion peut \u00eatre d\u00e9termin\u00e9e :<br>par le calcul suivant :<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"868\" height=\"154\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/vitesse-de-rotation-.png\" alt=\"\" class=\"wp-image-2924\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/vitesse-de-rotation-.png 868w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/vitesse-de-rotation--300x53.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/vitesse-de-rotation--768x136.png 768w\" sizes=\"auto, (max-width: 868px) 100vw, 868px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"694\" height=\"255\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/VC.png\" alt=\"\" class=\"wp-image-2925\" style=\"aspect-ratio:2.7215686274509805;width:530px;height:auto\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/VC.png 694w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/VC-300x110.png 300w\" sizes=\"auto, (max-width: 694px) 100vw, 694px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"has-black-color has-text-color has-medium-font-size\"><strong>Ou alors, gr\u00e2ce \u00e0 l&rsquo;abaque suivant :<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1023\" height=\"781\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/abaque.png\" alt=\"\" class=\"wp-image-2927\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/abaque.png 1023w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/abaque-300x229.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/abaque-768x586.png 768w\" sizes=\"auto, (max-width: 1023px) 100vw, 1023px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Exemples de d\u00e9terminations de vitesse de rotation  par calculs <\/strong>:<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"369\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/calculs.png\" alt=\"\" class=\"wp-image-2928\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/calculs.png 1020w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/calculs-300x109.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/calculs-768x278.png 768w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><\/figure>\n\n\n\n<p class=\"has-black-color has-text-color has-medium-font-size\"><strong>Ou par abaque : <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"790\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/par-abaque.png\" alt=\"\" class=\"wp-image-2929\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/par-abaque.png 1024w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/par-abaque-300x231.png 300w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/par-abaque-768x593.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-medium-font-size\">Affutage des foret acier : <\/h2>\n\n\n\n<p class=\"has-black-color has-text-color\"><strong>Quand aff\u00fbter un foret ?:<\/strong><br>Ce qu\u2019il faut savoir c\u2019est qu\u2019un foret est une lame. Comme toute lame elle s\u2019\u00e9mousse durant son utilisation et qu\u2019il faut donc l\u2019aff\u00fbter pour lui rendre son tranchant. Pour&nbsp;percer du m\u00e9tal efficacement&nbsp;il est indispensable d\u2019avoir un foret aff\u00fbt\u00e9.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color\">Un foret poss\u00e8de en g\u00e9n\u00e9ral 2 arr\u00eates de coupe. Ce sont elles qui \u00ab&nbsp;mordent&nbsp;\u00bb le m\u00e9tal et d\u00e9coupe en tranches fines des copeaux.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color\">Si ces arr\u00eates sont \u00e9mouss\u00e9es elles vont \u00ab&nbsp;mordre&nbsp;\u00bb le m\u00e9tal moins efficacement voire plus du tout et le per\u00e7age va devenir plus long, voir impossible si les arr\u00eates sont trop us\u00e9es.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color\">Le risque est de vouloir \u00ab&nbsp;forcer&nbsp;\u00bb sur la perceuse pour aider, ce qui est une mauvaise id\u00e9e. Vous risquez de casser le foret en for\u00e7ant trop et vous fatiguez le moteur de la perceuse.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color\">C\u2019est \u00e0 ce moment l\u00e0 que vous pouvez envisager d\u2019aff\u00fbter un foret. Jusque ici rien de compliqu\u00e9.<br><br><strong>L\u2019aff\u00fbtage \u00e0 la vol\u00e9e<\/strong>: <\/p>\n\n\n\n<p>Avec un peu de pratique l\u2019on peut rapidement r\u00e9aliser l\u2019aff\u00fbtage d\u2019un foret tout \u00e0 fait correctement. C\u2019est ce que l\u2019on appelle l\u2019aff\u00fbtage \u00e0 la vol\u00e9e.<\/p>\n\n\n\n<p>Il s\u2019emploie g\u00e9n\u00e9ralement sur des forets de gros diam\u00e8tres ( 6 mm et plus) car ils permettent de bien \u00eatre pris en main. Vous devez pour cela disposer d\u2019une meuleuse.<br>Il faut tenir compte de plusieurs param\u00e8tres que l\u2019on va voir en d\u00e9tail:<\/p>\n\n\n\n<p>Un foret peut avoir un angle d\u2019aff\u00fbtage diff\u00e9rent entre 60 et 150\u00b0. Plus l\u2019angle est ouvert plus le foret sera performant pour percer des m\u00e9taux durs. Vous pouvez faire varier cet angle lors de l\u2019aff\u00fbtage si vous le souhaitez mais cela peut impacter les performances du foret ou pire qu\u2019il casse. Essayez autant que possible de respecter l\u2019angle d\u2019aff\u00fbtage du foret.<\/p>\n\n\n\n<p>En premier lieu il faut conserver la pointe de votre foret. L\u2019aff\u00fbtage va permettre de la retailler aussi.<br>Lorsque vous aff\u00fbtez les arr\u00eates de coupe vous devez absolument faire en sorte qu\u2019elles aient le m\u00eame angle d\u2019aff\u00fbtage et qu\u2019elles conservent la m\u00eame longueur entres elles. En r\u00e9sum\u00e9 vous devez conserver une sym\u00e9trie parfaite.<\/p>\n\n\n\n<p>Dans le cas contraire vous allez avoir un foret d\u00e9s\u00e9quilibr\u00e9, seule une ligne de coupe va travailler. Cela va l\u2019\u00e9mousser beaucoup plus rapidement et votre vitesse de per\u00e7age va \u00eatre rapidement affect\u00e9.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"420\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/angle-daffutage-foret-metal.jpg\" alt=\"\" class=\"wp-image-2931\" style=\"aspect-ratio:1.5238095238095237;width:601px;height:auto\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/angle-daffutage-foret-metal.jpg 640w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/angle-daffutage-foret-metal-300x197.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"420\" src=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/Comment-affuter-un-foret.jpg\" alt=\"\" class=\"wp-image-2932\" style=\"aspect-ratio:1.5238095238095237;width:412px;height:auto\" srcset=\"http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/Comment-affuter-un-foret.jpg 640w, http:\/\/alexandrewack.fr\/wp-content\/uploads\/2023\/11\/Comment-affuter-un-foret-300x197.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n<\/div>\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 loading=\"lazy\" title=\"Comment affuter les forets a\u0300 la main : conclusion, quelle m\u00e9thode choisir\" width=\"690\" height=\"388\" src=\"https:\/\/www.youtube.com\/embed\/jgHr_R4uQ2M?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n<a class=\"wp-block-read-more\" href=\"http:\/\/alexandrewack.fr\/?page_id=94\" target=\"_self\">pour plus d&rsquo;informations : https:\/\/bricolotop.com\/comment-affuter-un-foret\/<span class=\"screen-reader-text\">\u00a0: Le per\u00e7age<\/span><\/a>","protected":false},"excerpt":{"rendered":"<p>Il s\u2019agit d\u2019une op\u00e9ration d\u2019usinage consistant au percement d\u2019un trou au travers d\u2019une surface m\u00e9tallique. C\u2019est un usinage par enl\u00e8vement de copeaux. Il existe plusieurs sortes de perceuses, les machines portatives et les machines fixes. Les machines fixes peuvent \u00eatre les perceuses \u00e0 colonne ou les perceuses radiales. Perceuse a colonne Elle est entra\u00een\u00e9e par [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1277,"menu_order":1,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-94","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/pages\/94","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=94"}],"version-history":[{"count":19,"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/pages\/94\/revisions"}],"predecessor-version":[{"id":2974,"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/pages\/94\/revisions\/2974"}],"up":[{"embeddable":true,"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=\/wp\/v2\/pages\/1277"}],"wp:attachment":[{"href":"http:\/\/alexandrewack.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=94"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}