{"id":58732,"date":"2025-02-13T03:13:11","date_gmt":"2025-02-13T03:13:11","guid":{"rendered":"https:\/\/hdcmfg.com\/?p=58732"},"modified":"2026-02-27T07:35:13","modified_gmt":"2026-02-27T07:35:13","slug":"quest-ce-que-le-code-g","status":"publish","type":"post","link":"https:\/\/hdcmfg.com\/fr\/resources\/blog\/what-is-g-code\/","title":{"rendered":"Qu&#039;est-ce que le G-Code"},"content":{"rendered":"<p>What is G Code? Is it an important aspect or component in material or component fabrication? Since it\u2019s a \u201ccode,\u201d does it have something to do with computers?<br \/>\nIn this blog, we\u2019ll be bringing you all the critical information about G code. From what it is, where they\u2019re used, and how you can benefit from it, we got it all for you!<\/p>\n<h2>Comprendre les codes G et les codes M<\/h2>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/hdcmfg.com\/wp-content\/uploads\/2025\/02\/What-is-G-Code.webp\" alt=\"qu&#039;est-ce que le code g\" width=\"1429\" height=\"953\" \/><br \/>\nSource:<a href=\"https:\/\/www.andersonamerica.com\/blog\/exploring-industrial-cnc-machines\"><u>\u00a0Anderson Am\u00e9rique<\/u><\/a><\/p>\n<p>En un mot, ce sont des commandes ou des pilotes de mouvement dans le monde de la commande num\u00e9rique par ordinateur (CNC). <a href=\"https:\/\/www.iqsdirectory.com\/articles\/cnc-machining\/g-code.html\"><u>Codes G<\/u><\/a>\u00a0(Geometric codes) dictate the movement and positioning of the tool, telling the machine where and how to move. These include commands for cutting paths, feed rates, and tool changes.<br \/>\nOn the other hand, M codes (Miscellaneous codes) control auxiliary machine functions such as spindle rotation, coolant flow, and program stops. Both are crucial for ensuring precision and efficiency in machining. G codes handle the geometry of a cut, while M codes manage the machine\u2019s operations. Think of them as the nervous system of these machines\u2013they allow machines to think and essentially carry out the tasks they need to do.<\/p>\n<h3>Codes G et codes M : en quoi sont-ils diff\u00e9rents ?<\/h3>\n<p><iframe title=\"G &amp; M Code - Titan Teaches Manual Programming on a CNC Machine.\" src=\"https:\/\/www.youtube.com\/embed\/5XihF05K4yM\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><br \/>\nOutre leur premi\u00e8re lettre, ils diff\u00e8rent \u00e9galement en termes d&#039;utilisation et de fonction globales. Voici un tableau que vous pouvez consulter et consulter pour approfondir vos connaissances en termes de diff\u00e9rence globale :<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Aspect<\/b><\/strong><\/td>\n<td><strong><b>Codes G<\/b><\/strong><\/td>\n<td><strong><b>Codes M<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>But<\/td>\n<td>Contr\u00f4le le mouvement et le positionnement de l&#039;outil<\/td>\n<td>G\u00e8re les op\u00e9rations et les fonctions de la machine<\/td>\n<\/tr>\n<tr>\n<td>Se concentrer<\/td>\n<td>Chemins de coupe, vitesse et direction<\/td>\n<td>Des actions telles que le liquide de refroidissement, la broche et les arr\u00eats<\/td>\n<\/tr>\n<tr>\n<td>Type de commande<\/td>\n<td>Instructions bas\u00e9es sur la g\u00e9om\u00e9trie<\/td>\n<td>Commandes li\u00e9es au fonctionnement de la machine<\/td>\n<\/tr>\n<tr>\n<td>Exemples courants<\/td>\n<td>G01 (mouvement lin\u00e9aire), G02 (mouvement circulaire)<\/td>\n<td>M03 (broche allum\u00e9e), M08 (liquide de refroidissement allum\u00e9)<\/td>\n<\/tr>\n<tr>\n<td>Effet sur la machine<\/td>\n<td>Affecte directement le parcours de l&#039;outil et le processus de coupe<\/td>\n<td>Contr\u00f4le le comportement de la machine et les fonctions de support<\/td>\n<\/tr>\n<tr>\n<td>Ex\u00e9cution<\/td>\n<td>Fonctionne en continu tout au long du programme<\/td>\n<td>S&#039;ex\u00e9cute une fois par cycle de commande<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Codes G et <a href=\"https:\/\/www.steckermachine.com\/blog\/g-code-and-m-code-programming\"><u>Codes M<\/u><\/a>\u00a0MUST work together to ensure smooth CNC operations. While G codes define how the tool moves, M codes manage essential machine functions.<br \/>\nUnderstanding the difference helps operators program machines accurately, improving precision and efficiency in manufacturing.<\/p>\n<h2>Qu&#039;est-ce qu&#039;un code G ? Signification, fonction, utilisations, types et plus encore !<\/h2>\n<p>G Code, short for geometric code, is a programming language used in CNC (Computer Numerical Control) machines. It basically tells these CNC machines how to move, what speed they should be in when moving, and where its path should be.<br \/>\nEach G Code command controls a specific action, ensuring precise and automated machining.<br \/>\nThe Purpose and Applications of G Code<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/hdcmfg.com\/wp-content\/uploads\/2024\/04\/Understanding-CNC-Turning-1.webp\" alt=\"comprendre le tournage CNC 1\" width=\"785\" height=\"600\" \/>Source: <a href=\"https:\/\/www.3erp.com\/blog\/cnc-machining-types\/\"><u>3ERP<\/u><\/a><\/p>\n<p style=\"text-align: left;\">Le code G traduit les sp\u00e9cifications de conception en instructions lisibles par machine. Il contr\u00f4le le mouvement de l&#039;outil, en sp\u00e9cifiant le positionnement, les courbes et les coupes droites.<\/p>\n<p>Le code G est essentiel \u00e0 la pr\u00e9cision et \u00e0 l&#039;efficacit\u00e9 des machines CNC dans des secteurs tels que la fabrication, l&#039;automobile et l&#039;a\u00e9rospatiale. Sans codes G, l&#039;automatisation des machines et des projets ne serait ni r\u00e9alisable ni possible.<\/p>\n<h3>Types de codes G<\/h3>\n<p>Parce qu&#039;ils ont des types et des utilisations vari\u00e9s, il existe diff\u00e9rents types et <a href=\"https:\/\/www.xometry.com\/resources\/machining\/what-is-g-code\/\"><u>types of G-codes<\/u><\/a>Leur objectif est d\u2019aider \u00e0 cat\u00e9goriser des commandes sp\u00e9cifiques pour une identification plus facile et plus efficace.<\/p>\n<ul>\n<li><b><\/b><strong><b>Codes de mouvement (G00-G03) : <\/b><\/strong>Contr\u00f4ler les mouvements lin\u00e9aires et circulaires.<\/li>\n<li><b><\/b><strong><b>Codes de positionnement des outils (G17-G19) : <\/b><\/strong>D\u00e9finir le plan de coupe.<\/li>\n<li><b><\/b><strong><b>Codes de vitesse et de d\u00e9bit d&#039;alimentation (G20-G21) : <\/b><\/strong>Ajustez les unit\u00e9s et la vitesse de coupe.<\/li>\n<li><b><\/b><strong><b>Codes de cycle fixe (G81-G89)\u00a0: <\/b><\/strong>Automatisez les s\u00e9quences r\u00e9p\u00e9titives de per\u00e7age et de d\u00e9coupe.<\/li>\n<li><b><\/b><strong><b>D\u00e9calages de travail (G54-G59) : <\/b><\/strong>D\u00e9finir les positions des pi\u00e8ces pour un usinage de pr\u00e9cision.<\/li>\n<\/ul>\n<h3>L&#039;importance du code G<\/h3>\n<p>Why do you think G code is important? G Code ensures precision and repeatability in CNC machining. It allows operators to automate complex tasks, reducing errors and increasing production speed.<br \/>\nMastering G Code helps manufacturers improve quality, efficiency, and cost-effectiveness in production.<\/p>\n<h3>Commandes G-Code<\/h3>\n<p><iframe title=\"Understand G code for beginners Part 1\" src=\"https:\/\/www.youtube.com\/embed\/bpNNaTUi_7c\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><br \/>\nAlso commonly referred to as G Code types, these commands enable CNC machines to move in a very specific and particular direction in the Cartesian coordinate plane (system).<br \/>\nFurthermore, these lines are responsible for the positioning, operation, speed, and offsets done by a machine. Therefore, to help you in your manufacturing journey using CNC machines, here is the G-code list you\u2019ll ever need!<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Code G<\/b><\/strong><\/td>\n<td><strong><b>Fonction<\/b><\/strong><\/td>\n<td><strong><b>La description<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>G00<\/td>\n<td>Positionnement rapide<\/td>\n<td>D\u00e9place rapidement l&#039;outil vers une position d\u00e9finie sans couper.<\/td>\n<\/tr>\n<tr>\n<td>G01<\/td>\n<td>Interpolation lin\u00e9aire<\/td>\n<td>D\u00e9place l&#039;outil en ligne droite \u00e0 une vitesse contr\u00f4l\u00e9e.<\/td>\n<\/tr>\n<tr>\n<td>G02<\/td>\n<td>Interpolation circulaire (sens horaire)<\/td>\n<td>Coupe un arc ou un cercle dans le sens des aiguilles d&#039;une montre.<\/td>\n<\/tr>\n<tr>\n<td>G03<\/td>\n<td>Interpolation circulaire (sens inverse des aiguilles d&#039;une montre)<\/td>\n<td>Coupe un arc ou un cercle dans le sens inverse des aiguilles d&#039;une montre.<\/td>\n<\/tr>\n<tr>\n<td>G04<\/td>\n<td>Demeurer<\/td>\n<td>Met le mouvement en pause pendant une dur\u00e9e d\u00e9finie avant de continuer.<\/td>\n<\/tr>\n<tr>\n<td>G17<\/td>\n<td>S\u00e9lection du plan XY<\/td>\n<td>D\u00e9finit le plan d&#039;usinage sur l&#039;axe XY.<\/td>\n<\/tr>\n<tr>\n<td>G18<\/td>\n<td>S\u00e9lection du plan XZ<\/td>\n<td>D\u00e9finit le plan d&#039;usinage sur l&#039;axe XZ.<\/td>\n<\/tr>\n<tr>\n<td>G19<\/td>\n<td>S\u00e9lection de l&#039;avion YZ<\/td>\n<td>D\u00e9finit le plan d&#039;usinage sur l&#039;axe YZ.<\/td>\n<\/tr>\n<tr>\n<td>G20<\/td>\n<td>S\u00e9lection de l&#039;unit\u00e9 en pouces<\/td>\n<td>Bascule les unit\u00e9s de mesure en pouces.<\/td>\n<\/tr>\n<tr>\n<td>G21<\/td>\n<td>S\u00e9lection de l&#039;unit\u00e9 m\u00e9trique<\/td>\n<td>Bascule les unit\u00e9s de mesure en millim\u00e8tres.<\/td>\n<\/tr>\n<tr>\n<td>G28<\/td>\n<td>Retour \u00e0 la page d&#039;accueil de la machine<\/td>\n<td>Ram\u00e8ne l&#039;outil \u00e0 la position d&#039;origine de la machine.<\/td>\n<\/tr>\n<tr>\n<td>G40<\/td>\n<td>Compensation de coupe d\u00e9sactiv\u00e9e<\/td>\n<td>Annule la compensation du diam\u00e8tre de l&#039;outil.<\/td>\n<\/tr>\n<tr>\n<td>G41<\/td>\n<td>Compensation de coupe gauche<\/td>\n<td>Ajuste la trajectoire de l&#039;outil pour couper \u00e0 gauche de la ligne programm\u00e9e.<\/td>\n<\/tr>\n<tr>\n<td>G42<\/td>\n<td>Droit \u00e0 l&#039;indemnisation des fraises<\/td>\n<td>Ajuste la trajectoire de l&#039;outil pour la coupe \u00e0 droite de la ligne programm\u00e9e.<\/td>\n<\/tr>\n<tr>\n<td>G54-G59<\/td>\n<td>Syst\u00e8me de coordonn\u00e9es de travail (WCS)<\/td>\n<td>D\u00e9finit diff\u00e9rents points z\u00e9ro pour les configurations d&#039;usinage.<\/td>\n<\/tr>\n<tr>\n<td>G90<\/td>\n<td>Positionnement absolu<\/td>\n<td>D\u00e9place l&#039;outil en fonction d&#039;un point de r\u00e9f\u00e9rence fixe.<\/td>\n<\/tr>\n<tr>\n<td>G91<\/td>\n<td>Positionnement incr\u00e9mental<\/td>\n<td>D\u00e9place l&#039;outil en fonction de sa position actuelle.<\/td>\n<\/tr>\n<tr>\n<td>G98<\/td>\n<td>Retour au niveau initial<\/td>\n<td>Ram\u00e8ne l&#039;outil au niveau de d\u00e9part apr\u00e8s un cycle pr\u00e9d\u00e9fini.<\/td>\n<\/tr>\n<tr>\n<td>G99<\/td>\n<td>Retour au niveau R<\/td>\n<td>Ram\u00e8ne l&#039;outil \u00e0 un niveau pr\u00e9d\u00e9fini au lieu du point de d\u00e9part.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Comprendre les fichiers G-Code<\/h3>\n<p>Les fichiers G Code sont des fichiers texte brut qui contiennent des instructions pour les machines CNC. Ils d\u00e9finissent les mouvements des outils, les trajectoires de coupe, les vitesses de broche et les vitesses d&#039;avance. Ces fichiers ont g\u00e9n\u00e9ralement des extensions telles que<\/p>\n<ul>\n<li>.gcode<\/li>\n<li>.Caroline du Nord<\/li>\n<li>.robinet<\/li>\n<li>.cnc<\/li>\n<\/ul>\n<p>These are generated using CAM software from CAD designs. Once created, they are loaded into the machine\u2019s control system for execution.<br \/>\nCNC machines read G Code line by line, interpreting each command in sequence. The machine&#8217;s controller processes these commands, adjusting the tool\u2019s position, speed, and operation accordingly.<br \/>\nMotion commands (like G00 and G01) guide tool movement, while others control functions like cooling or spindle rotation. The software translates the instructions into precise mechanical actions, ensuring accurate and consistent results.<\/p>\n<h2>Choose HDC Manufacturing For Your Custom CNC Machining Project<\/h2>\n<p>We at HDC Manufacturing are one with thousands of manufacturers and suppliers that offer various CNC machining processes. Our specializations include the <a href=\"https:\/\/hdcmfg.com\/fr\/industrie\/industrie-aerospaciale\/\"><u>a\u00e9rospatial<\/u><\/a>, <a href=\"https:\/\/hdcmfg.com\/fr\/produit\/automobile\/\"><u>automobile<\/u><\/a>, <a href=\"https:\/\/hdcmfg.com\/fr\/industrie\/industrie-des-machines\/\"><u>fabrication<\/u><\/a>, <a href=\"https:\/\/hdcmfg.com\/fr\/industrie\/industrie-medicale\/\"><u>m\u00e9dical<\/u><\/a>, <a href=\"https:\/\/hdcmfg.com\/fr\/produit\/bande-annonce\/\"><u>transport<\/u><\/a>,\u00a0and construction industries.<br \/>\nYou can count on us if you need help with precision manufacturing, mass manufacturing, or even using whatever product for it, too!<br \/>\nDon\u2019t hesitate to give us a call or send us an email if you need help with CNC fabrication projects! Get a free quote for whatever your project needs!<\/p>","protected":false},"excerpt":{"rendered":"<p>Dans ce blog, nous vous apporterons toutes les informations essentielles sur le code G. De ce que c&#039;est, o\u00f9 ils sont utilis\u00e9s et comment vous pouvez en b\u00e9n\u00e9ficier, nous avons tout pour vous !<\/p>","protected":false},"author":4,"featured_media":58736,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"What is G Code? Full Definitive Guide - HDC Manufacturing-Custom Metal Parts","_seopress_titles_desc":"In this blog, we\u2019ll be bringing you all critical information about G code. From what it is, where they\u2019re used, and how you can benefit it, we got it all for you!","_seopress_robots_index":"","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":"disabled","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","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":"","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":[101],"tags":[343,96],"class_list":["post-58732","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-acf-temp","tag-blog-cnc-machining"],"acf":[],"_links":{"self":[{"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/posts\/58732","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/comments?post=58732"}],"version-history":[{"count":22,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/posts\/58732\/revisions"}],"predecessor-version":[{"id":101727,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/posts\/58732\/revisions\/101727"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/media\/58736"}],"wp:attachment":[{"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/media?parent=58732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/categories?post=58732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hdcmfg.com\/fr\/wp-json\/wp\/v2\/tags?post=58732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}