{"id":34963,"date":"2021-08-19T17:33:20","date_gmt":"2021-08-19T21:33:20","guid":{"rendered":"https:\/\/www.mastercam.com\/news\/blog\/cao-et-fao-quelles-sont-les-differences\/"},"modified":"2025-12-17T14:59:11","modified_gmt":"2025-12-17T19:59:11","slug":"cao-et-fao-quelles-sont-les-differences","status":"publish","type":"post","link":"https:\/\/www.mastercam.com\/fr\/community\/blog\/cao-et-fao-quelles-sont-les-differences\/","title":{"rendered":"CAO et FAO : Quelles sont les diff\u00e9rences ?"},"content":{"rendered":"\n<p>Lorsque quelqu&rsquo;un parle de <a href=\"https:\/\/www.inc.com\/encyclopedia\/computer-aided-design-cad-and-computer-aided-cam.html\" target=\"_blank\" rel=\"noreferrer noopener\">programmation CAO<\/a>, il y a de fortes chances qu&rsquo;il \u00e9voque \u00e9galement la programmation FAO dans la m\u00eame conversation. Certaines personnes utilisent m\u00eame \u00e0 tort les deux termes de mani\u00e8re interchangeable. Si les deux syst\u00e8mes logiciels sont si \u00e9troitement li\u00e9s, o\u00f9 se situe la limite entre les deux ? La r\u00e9ponse r\u00e9side dans l&rsquo;\u00e9tape de fabrication \u00e0 laquelle chacun est utilis\u00e9.   <\/p>\n\n<p>La principale diff\u00e9rence entre la programmation CAO et FAO est que <strong>CAO<\/strong> signifie Conception assist\u00e9e par ordinateur (dans certains cercles, il peut s&rsquo;agir d&rsquo;un synonyme de D\u00e9pouillement assist\u00e9 par ordinateur), qui fait r\u00e9f\u00e9rence \u00e0 la conception ou \u00e0 la modification d&rsquo;un mod\u00e8le num\u00e9rique, tandis que <strong>FAO<\/strong> est Fabrication assist\u00e9e par ordinateur et contr\u00f4le la machine utilis\u00e9e pour produire une pi\u00e8ce. La FAO transpose le mod\u00e8le CAO dans le monde r\u00e9el. <\/p>\n\n<h2 class=\"wp-block-heading\">CAO 101<\/h2>\n\n<p>Avant tout usinage, le produit doit \u00eatre mod\u00e9lis\u00e9 de mani\u00e8re compl\u00e8te, pr\u00e9cise et exacte. C&rsquo;est l\u00e0 que la CAO joue son r\u00f4le. La CAO remplace l&rsquo;ancienne m\u00e9thode de d\u00e9pouillement manuel des mod\u00e8les 2D et 3D, qui prenait beaucoup de temps et \u00e9tait plus sujette aux erreurs. Les designers industriels utilisent la CAO pour cr\u00e9er des rendus et des dessins vectoriels qui aboutissent \u00e0 des mod\u00e8les 3D montrant la taille, la forme et la texture du produit fini.   <\/p>\n\n<p>L&rsquo;avantage de la CAO, outre le gain de temps \u00e9vident, r\u00e9side dans les possibilit\u00e9s quasi illimit\u00e9es de modifications qui n&rsquo;ajoutent aucun co\u00fbt \u00e0 la pi\u00e8ce. Les programmeurs peuvent exp\u00e9rimenter les proportions, les mat\u00e9riaux et les ar\u00eates afin d&rsquo;optimiser r\u00e9ellement une pi\u00e8ce, sans avoir \u00e0 gaspiller du mat\u00e9riel lors du prototypage. En outre, les mod\u00e8les ne sont plus li\u00e9s \u00e0 des copies physiques qui peuvent \u00eatre perdues ou endommag\u00e9es. Les fichiers CAO peuvent \u00eatre multipli\u00e9s et partag\u00e9s de mani\u00e8re in\u00e9puisable. De nombreux fabricants partagent leurs fichiers sur le cloud afin que les employ\u00e9s et les sous-traitants puissent tous acc\u00e9der \u00e0 un fichier lorsqu&rsquo;ils en ont besoin.    <\/p>\n\n<h2 class=\"wp-block-heading\">FAO 101<\/h2>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/www.mastercam.com\/wp-content\/uploads\/2021\/08\/CAD-v-CAM-CAM-image-1024x768.jpg\" alt=\"Image FAO\" class=\"wp-image-10623\" srcset=\"https:\/\/www.mastercam.com\/wp-content\/uploads\/2021\/08\/CAD-v-CAM-CAM-image-1024x768.jpg 1024w, https:\/\/www.mastercam.com\/wp-content\/uploads\/2021\/08\/CAD-v-CAM-CAM-image-300x225.jpg 300w, https:\/\/www.mastercam.com\/wp-content\/uploads\/2021\/08\/CAD-v-CAM-CAM-image-768x576.jpg 768w, https:\/\/www.mastercam.com\/wp-content\/uploads\/2021\/08\/CAD-v-CAM-CAM-image-1536x1152.jpg 1536w, https:\/\/www.mastercam.com\/wp-content\/uploads\/2021\/08\/CAD-v-CAM-CAM-image-112x84.jpg 112w, https:\/\/www.mastercam.com\/wp-content\/uploads\/2021\/08\/CAD-v-CAM-CAM-image-224x168.jpg 224w, https:\/\/www.mastercam.com\/wp-content\/uploads\/2021\/08\/CAD-v-CAM-CAM-image.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p>La FAO contr\u00f4le les machines qui produisent les pi\u00e8ces et optimise l&rsquo;ensemble du processus de production. Le plus souvent, les <a href=\"https:\/\/www.mastercam.com\/solutions\/cam-solutions\/\">logiciels de FAO<\/a> sont utilis\u00e9s avec les centres d&rsquo;usinage \u00e0 commande num\u00e9rique par ordinateur (CNC) pour cr\u00e9er le Code G qui pilote leur activit\u00e9 d&rsquo;usinage. Dans le pass\u00e9, ce Code G devait \u00eatre laborieusement \u00e9crit \u00e0 la main, mais les syst\u00e8mes de FAO automatisent cette op\u00e9ration en traduisant les mod\u00e8les num\u00e9riques en instructions de fabrication d\u00e9taill\u00e9es. Ces instructions peuvent contr\u00f4ler un large \u00e9ventail de processus, notamment :   <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Fraisage<\/li>\n\n\n\n<li>Tournage<\/li>\n\n\n\n<li>d\u00e9foncage<\/li>\n\n\n\n<li>D\u00e9coupage<\/li>\n\n\n\n<li>Emboutissage du m\u00e9tal<\/li>\n\n\n\n<li>rectification<\/li>\n\n\n\n<li>D\u00e9coupe au laser<\/li>\n\n\n\n<li>Actions robotiques<\/li>\n<\/ul>\n\n<p>Prenons l&rsquo;exemple d&rsquo;un bloc d&rsquo;acier inoxydable qui doit \u00eatre usin\u00e9 pour former un moule destin\u00e9 \u00e0 un constructeur automobile. Un syst\u00e8me de FAO permettra \u00e0 son utilisateur de trouver la meilleure fa\u00e7on de fraiser le mat\u00e9riau de base jusqu&rsquo;\u00e0 ce qu&rsquo;il ne reste plus que le moule souhait\u00e9. Lorsque le programmeur choisit une option logicielle pour enlever le premier mat\u00e9riau, son logiciel de FAO programme automatiquement le chemin d&rsquo;\u00e9bauche que l&rsquo;outil de coupe suivra, en utilisant des informations provenant de l&rsquo;outil de coupe et de la machine elle-m\u00eame. Bien que l&rsquo;utilisateur puisse modifier ce parcours d&rsquo;outil, la majeure partie du travail a \u00e9t\u00e9 effectu\u00e9e pour lui en quelques secondes. Dans l&rsquo;ensemble, la FAO offre un mode de fabrication plus simple et plus efficace, qui r\u00e9duit \u00e9galement les co\u00fbts de main-d&rsquo;\u0153uvre.    <\/p>\n\n<h2 class=\"wp-block-heading\">La CAO et la FAO travaillent ensemble<\/h2>\n\n<p>Les logiciels de CAO et de FAO, bien que diff\u00e9rents, fonctionnent mieux en tandem. La CAO fournit les mod\u00e8les num\u00e9riques riches en informations dont un syst\u00e8me de FAO a besoin pour programmer la fabrication. La FAO \u00e9crit le Code G intuitif qui, \u00e0 son tour, rend les mod\u00e8les de CAO r\u00e9els. Dans le meilleur des cas, les logiciels de CAO et de FAO peuvent \u00eatre interconnect\u00e9s de mani\u00e8re transparente, sans perte de donn\u00e9es ni probl\u00e8mes. C&rsquo;est pourquoi certains d\u00e9veloppeurs proposent des syst\u00e8mes CAO\/FAO combin\u00e9s, comme le logiciel CAO\/FAO Mastercam. L&rsquo;utilisation de logiciels faciles \u00e0 associer &#8211; ou de logiciels d\u00e9j\u00e0 combin\u00e9s &#8211; est la cl\u00e9 d&rsquo;une fabrication rapide, facile et rentable, de la conception \u00e0 la finition.     <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lorsque quelqu&rsquo;un parle de programmation CAO, il y a de fortes chances qu&rsquo;il \u00e9voque \u00e9galement [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10198,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[364],"tags":[],"class_list":["post-34963","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-formation"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CAO et FAO : Quelles sont les diff\u00e9rences ? - mastercam.com<\/title>\n<meta name=\"description\" content=\"Lorsque quelqu&#039;un parle de programmation CAO, il y a de fortes chances qu&#039;il \u00e9voque \u00e9galement la programmation FAO dans la m\u00eame conversation. 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