{"id":13216,"date":"2024-07-30T15:09:31","date_gmt":"2024-07-30T15:09:31","guid":{"rendered":"https:\/\/onmytoolings.com\/?p=13216"},"modified":"2026-11-04T14:57:12","modified_gmt":"2026-11-04T14:57:12","slug":"cnmg-vs-wnmg-inserts-a-comparison","status":"publish","type":"post","link":"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/","title":{"rendered":"Plaquettes CNMG vs WNMG : Une comparaison"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #993030;color:#993030\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #993030;color:#993030\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/#1_What_is_CNMG_Insert_Geometry_The_8-Edge_Secret\" >1. Qu'est-ce qu'une plaquette CNMG ? (G\u00e9om\u00e9trie et le secret des 8 ar\u00eates)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/#The_%E2%80%9C4_vs_8_Edge%E2%80%9D_Reality\" >La r\u00e9alit\u00e9 du \u201c 4 contre 8 \u201d<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/#2_What_is_WNMG_The_High-Volume_Specialist\" >2. Qu'est-ce que WNMG ? (Le sp\u00e9cialiste des volumes \u00e9lev\u00e9s)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/#3_Direct_Comparison_CNMG_vs_WNMG\" >3. Comparaison directe : CNMG vs WNMG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/#4_CNMG_WNMG_Insert_Full_Form_ISO_Nomenclature_Decoded\" >4. CNMG et WNMG : signification compl\u00e8te : la nomenclature ISO d\u00e9crypt\u00e9e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/#5_CNMG_vs_WNMG_Insert_Size_Chart_0903_1204_1606_0804\" >5. Tableau des tailles des plaquettes CNMG vs WNMG (0903, 1204, 1606, 0804)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/#6_Recommended_Starting_Cutting_Parameters_P_M_K_Workpieces\" >6. Param\u00e8tres de coupe initiaux recommand\u00e9s (pi\u00e8ces P \/ M \/ K)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/#7_The_Verdict_Which_One_Should_You_Choose\" >7. Le verdict : lequel choisir ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/#Choose_CNMG_If\" >Choisissez CNMG si :<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-wnmg-inserts-a-comparison\/#Choose_WNMG_If\" >Choisissez WNMG si :<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<h1 class=\"wp-block-heading\">Plaquettes CNMG vs WNMG : Une comparaison<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsqu\u2019on compare les plaquettes CNMG et WNMG pour le tournage CNC, la diff\u00e9rence fondamentale r\u00e9side dans le compromis entre stabilit\u00e9 structurelle et facilit\u00e9 d\u2019utilisation. La plaquette CNMG est la r\u00e9f\u00e9rence du secteur en mati\u00e8re de stabilit\u00e9 maximale et de polyvalence pour les applications intensives. Sa forme en losange offre une surface de contact importante avec le porte-outil, ce qui la rend id\u00e9ale pour l\u2019\u00e9bauche et les coupes interrompues. La plaquette de tournage WNMG, avec sa forme triangulaire, est la r\u00e9f\u00e9rence en mati\u00e8re d\u2019efficacit\u00e9 de production. Une gestion efficace des outils est \u00e9galement importante pour <a href=\"https:\/\/www.elephant-cnc.com\/atc-cnc-router\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00c9quipements CNC ATC<\/a> afin d'optimiser la productivit\u00e9 globale. Il offre 6 ar\u00eates de coupe utilisables \u00e0 80\u00b0 sur un seul porte-outil (contre 4 en standard sur un CNMG), ce qui le rend id\u00e9al pour la production en grande s\u00e9rie o\u00f9 la r\u00e9duction du co\u00fbt des outils est l'objectif principal.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_What_is_CNMG_Insert_Geometry_The_8-Edge_Secret\"><\/span>1. Qu'est-ce qu'une plaquette CNMG ? (G\u00e9om\u00e9trie et le secret des 8 ar\u00eates)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"461\" src=\"http:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/04\/CNMG-OPM.webp\" alt=\"CNMG vs WNMG \" class=\"wp-image-10534\" srcset=\"https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/04\/CNMG-OPM.webp 500w, https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/04\/CNMG-OPM-300x277.webp 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pour comprendre la comparaison, nous devons d'abord r\u00e9pondre \u00e0 la question suivante : qu'est-ce que <a href=\"https:\/\/onmytoolings.com\/fr\/carbide-turning-inserts\/insert-cnmg\/\" target=\"_blank\" rel=\"noreferrer noopener\">plaquette cnmg<\/a>?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le <a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/fr\/turning-tool-holder\/porte-outil-a-plaquettes-cnmg\/\" title=\"Porte-outil CNMG\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"325\" target=\"_blank\">plaquette cnmg<\/a> est une plaquette \u00e0 angle n\u00e9gatif, double face, rhombique (en forme de losange). Le code ISO \u201c C \u201d d\u00e9signe sa forme en losange \u00e0 80\u00b0. Comme il s'agit d'une plaquette \u201c n\u00e9gative \u201d (d\u00e9sign\u00e9e par la lettre \u2018 N \u2019), la <a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/fr\/carbide-turning-inserts\/insert-vcgt\/\" title=\"plaquette de tournage VCGT\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"1756\" target=\"_blank\">plaquette cnmg<\/a> l'angle de d\u00e9gagement est de 0\u00b0. Cette g\u00e9om\u00e9trie n\u00e9cessite d'incliner la plaquette dans le porte-plaquette afin de cr\u00e9er un d\u00e9gagement, mais elle permet \u00e0 la plaquette d'\u00eatre double face, ce qui double sa dur\u00e9e de vie par rapport aux plaquettes positives.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_%E2%80%9C4_vs_8_Edge%E2%80%9D_Reality\"><\/span>La r\u00e9alit\u00e9 du \u201c 4 contre 8 \u201d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Utilisation standard (4 bords) :<\/strong> Utilisation d'une norme <a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/fr\/turning-tool-holder\/porte-plaquette-dnmg\/\" title=\"Porte-plaquette DNMG\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"328\" target=\"_blank\">Porte-plaquette CNMG<\/a> (comme un PCLNR\/L), vous utilisez les deux coins \u00e0 80\u00b0 en haut et les deux en bas.<\/li>\n\n\n\n<li><strong>Utilisation avanc\u00e9e (8 bords) :<\/strong> La g\u00e9om\u00e9trie CNMG poss\u00e8de en fait 8 ar\u00eates de coupe. Les quatre ar\u00eates \u201ccach\u00e9es\u201d sont les angles obtus de 100\u00b0. En passant \u00e0 un support d'angle d'attaque de 75\u00b0 (comme un MCKNR), vous pouvez utiliser ces angles de 100\u00b0 pour <a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/fr\/turning-vs-facing-two-core-processes-in-precision-machining\/\" title=\"Tournage et surfa\u00e7age : Deux processus fondamentaux de l&#039;usinage de pr\u00e9cision\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"1349\" target=\"_blank\">face \u00e0<\/a> ou l'enl\u00e8vement d'une grande quantit\u00e9 de calcaire, ce qui maximise la valeur de la plaquette.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_What_is_WNMG_The_High-Volume_Specialist\"><\/span>2. Qu'est-ce que WNMG ? (Le sp\u00e9cialiste des volumes \u00e9lev\u00e9s)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"394\" height=\"394\" src=\"http:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/04\/WNMG.webp\" alt=\"WNMG PLAQUETTE\" class=\"wp-image-11087\" srcset=\"https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/04\/WNMG.webp 394w, https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/04\/WNMG-300x300.webp 300w, https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/04\/WNMG-150x150.webp 150w\" sizes=\"(max-width: 394px) 100vw, 394px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La plaquette de tournage wnmg pr\u00e9sente une forme \u201c Trigon \u201d (code ISO \u201c W \u201d). Tout comme la CNMG, elle utilise un angle de coupe de 80\u00b0, ce qui signifie qu'elle peut effectuer des op\u00e9rations de tournage et de surfa\u00e7age presque identiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L'avantage distinctif du WNMG r\u00e9side dans ses six angles identiques \u00e0 80\u00b0 (3 en haut, 3 en bas). Contrairement au CNMG, qui n\u00e9cessite de changer de porte-outil pour utiliser les 8 angles, le WNMG vous permet d'utiliser les 6 angles \u00e0 l'aide d'un seul <a href=\"https:\/\/onmytoolings.com\/fr\/carbide-turning-inserts\/insert-wnmg\/\" target=\"_blank\" rel=\"noreferrer noopener\">plaquette wnmg<\/a> porte-outil (g\u00e9n\u00e9ralement un <a href=\"https:\/\/onmytoolings.com\/fr\/produit\/od-porte-outil-de-tournage-mwlnrl-dwlnrl\/\" target=\"_blank\" rel=\"noreferrer noopener\">MWLNR\/L<\/a>).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Par exemple, une sp\u00e9cification courante telle que la plaquette de tournage wnmg 080404 (taille 08, \u00e9paisseur 04, rayon 04) est un \u00e9l\u00e9ment essentiel dans les environnements de production de masse, car elle offre 50% de plus de tranchants par plaquette qu'une CNMG utilis\u00e9e dans une configuration standard.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Direct_Comparison_CNMG_vs_WNMG\"><\/span>3. Comparaison directe : CNMG vs WNMG<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le tableau suivant pr\u00e9sente les diff\u00e9rences techniques et \u00e9conomiques entre ces deux plaquettes tr\u00e8s populaires.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Caract\u00e9ristique<\/strong><\/td><td><strong><a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/fr\/cnmg-vs-dnmg-insert\/\" title=\"Plaquettes CNMG vs DNMG\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"904\" target=\"_blank\">Plaquettes CNMG<\/a><\/strong><\/td><td><strong><a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/fr\/faq\/\" title=\"FAQ\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"1543\" target=\"_blank\">WNMG Plaquette<\/a><\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>G\u00e9om\u00e9trie des formes<\/strong><\/td><td>Rhombique (Diamant)<\/td><td>Trigon (triangle d\u00e9form\u00e9)<\/td><\/tr><tr><td><strong>Angle du nez<\/strong><\/td><td>80\u00b0<\/td><td>80\u00b0<\/td><\/tr><tr><td><strong>Bords utilisables (support standard)<\/strong><\/td><td><strong>4 bords<\/strong> (coins \u00e0 80\u00b0 uniquement)<\/td><td><strong>6 bords<\/strong> (Tous les angles \u00e0 80\u00b0)<\/td><\/tr><tr><td><strong>Bords \u00e0 potentiel maximal<\/strong><\/td><td><strong>8 bords<\/strong> (N\u00e9cessite un support standard + sp\u00e9cial \u00e0 100\u00b0)<\/td><td><strong>6 bords<\/strong> (Tous accessibles avec un seul support)<\/td><\/tr><tr><td><strong>Zone de contact du support<\/strong><\/td><td><strong>\u00c9lev\u00e9.<\/strong> Le long bord droit offre une stabilit\u00e9 maximale.<\/td><td><strong>Moyen.<\/strong> Bord de localisation plus court que CNMG.<\/td><\/tr><tr><td><strong>Rigidit\u00e9<\/strong><\/td><td>Excellent. Id\u00e9al pour les op\u00e9rations d'\u00e9bauche lourdes et les coupes interrompues.<\/td><td>Bon. Suffisant pour le tournage g\u00e9n\u00e9ral, mais moins rigide que le CNMG.<\/td><\/tr><tr><td><strong>Gestion des porte-outils<\/strong><\/td><td>Complexe. Besoins <a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/fr\/produit\/pclnr-l-porte-outil-de-tournage-externe\/\" title=\"Porte-outil de tournage externe PCLNR\/L\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"908\" target=\"_blank\">PCLNR<\/a> (tourner) + MCKNR (faire face) pour utiliser tous les bords.<\/td><td>Simple. Un <strong><a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/fr\/turning-tool-holder\/porte-plaquette-wnmg\/\" title=\"Porte-plaquette WNMG\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"905\" target=\"_blank\">Porte-outil \u00e0 ins\u00e9rer wnmg<\/a><\/strong> (MWLNR) utilise tous les bords.<\/td><\/tr><tr><td><strong>Applications courantes<\/strong><\/td><td>Usage g\u00e9n\u00e9ral, ateliers de fabrication, usage intensif.<\/td><td>Lignes de production \u00e0 haut volume (automobile\/a\u00e9rospatiale).<\/td><\/tr><tr><td><strong>Tailles courantes<\/strong><\/td><td>Les tailles des plaquettes CNMG vont de 0903xx \u00e0 1906xx.<\/td><td>Les tailles courantes comprennent 0604xx et la plaquette de tour wnmg 080404.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<!-- ONMY SEO PATCH: CNMG vs WNMG Deep Dive & Internal Links -->\n<div class=\"onmy-seo-expansion\" style=\"margin-top: 2.5rem; line-height: 1.7;\">\n  <div style=\"background: #f8fafc; border-left: 4px solid #0284c7; padding: 1.25rem; margin-bottom: 2rem; border-radius: 4px;\">\n    <strong>Vous recherchez des plaquettes de tournage de qualit\u00e9 industrielle ?<\/strong> Parcourez notre catalogue \u00ab directement de l'usine \u00bb pour <a href=\"https:\/\/onmytoolings.com\/fr\/carbide-turning-inserts\/insert-cnmg\/\" style=\"color: #0284c7; font-weight: 600; text-decoration: underline;\" target=\"_blank\">Plaquettes de tournage en carbure CNMG<\/a> et <a href=\"https:\/\/onmytoolings.com\/fr\/carbide-turning-inserts\/insert-wnmg\/\" style=\"color: #0284c7; font-weight: 600; text-decoration: underline;\" target=\"_blank\">Plaquettes de tournage trigonales WNMG<\/a> avec des rev\u00eatements CVD\/PVD sur mesure et des brise-copeaux.\n  <\/div>\n\n  <h2><span class=\"ez-toc-section\" id=\"4_CNMG_WNMG_Insert_Full_Form_ISO_Nomenclature_Decoded\"><\/span>4. CNMG et WNMG : signification compl\u00e8te : la nomenclature ISO d\u00e9crypt\u00e9e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n  <p>En vertu de la <strong>Norme ISO 1832<\/strong> pour les plaquettes de tournage interchangeables, chaque lettre de <strong>CNMG<\/strong> et <strong>WNMG<\/strong> sp\u00e9cifie un param\u00e8tre g\u00e9om\u00e9trique exact ou une tol\u00e9rance :<\/p>\n  <ul>\n    <li><strong>C contre W (Code de forme) :<\/strong> <strong>C<\/strong> correspond \u00e0 un angle de pointe rhombique (en losange) de 80\u00b0 ; <strong>W<\/strong> d\u00e9signe une figure trigonale de 80\u00b0 comportant trois angles de 80\u00b0 par c\u00f4t\u00e9.<\/li>\n    <li><strong>N (Angle de d\u00e9pouille \/ angle de d\u00e9charge) :<\/strong> <strong>Angle de d\u00e9pouille de 0\u00b0<\/strong> (angle de coupe n\u00e9gatif). Le flanc \u00e9tant perpendiculaire \u00e0 la face, les surfaces sup\u00e9rieure et inf\u00e9rieure peuvent toutes deux \u00eatre utilis\u00e9es (double face), ce qui permet <strong>4 ar\u00eates de coupe de 80\u00b0 utilisables sur la CNMG<\/strong> et <strong>6 ar\u00eates de coupe de 80\u00b0 utilisables sur le WNMG<\/strong> lorsqu'il est mont\u00e9 dans un porte-outil n\u00e9gatif (tel que le PCLNR\/L ou le PWLNR\/L).<\/li>\n    <li><strong>M (classe de tol\u00e9rance) :<\/strong> Tol\u00e9rance de moulage\/emboutissage (g\u00e9n\u00e9ralement comprise entre \u00b10,05 mm et \u00b10,13 mm pour le cercle inscrit et \u00b10,13 mm pour l'\u00e9paisseur), offrant le meilleur rapport co\u00fbt\/ar\u00eate pour l'\u00e9bauche et la semi-finition.<\/li>\n    <li><strong>G (Fixation et brise-copeaux) :<\/strong> Trou de fixation central cylindrique avec brise-copeaux sur les faces sup\u00e9rieure et inf\u00e9rieure.<\/li>\n  <\/ul>\n\n  <h2><span class=\"ez-toc-section\" id=\"5_CNMG_vs_WNMG_Insert_Size_Chart_0903_1204_1606_0804\"><\/span>5. Tableau des tailles des plaquettes CNMG vs WNMG (0903, 1204, 1606, 0804)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n  <p>Utilisez le tableau des dimensions ci-dessous pour v\u00e9rifier le cercle inscrit (IC), la longueur de l'ar\u00eate de coupe, l'\u00e9paisseur et la profondeur de coupe recommand\u00e9e (a<sub>p<\/sub>) avant de choisir votre plaquette :<\/p>\n  <div style=\"overflow-x: auto; margin: 1.5rem 0;\">\n    <table style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 0.95rem;\">\n      <thead>\n        <tr style=\"background-color: #1e293b; color: #ffffff;\">\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">D\u00e9signation du mod\u00e8le ISO<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">\u00c9quivalent ANSI<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">Ar\u00eates utilisables \u00e0 80\u00b0<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">Cercle inscrit (CI)<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">\u00c9paisseur (S)<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">Rayon de bec (r<sub>\u03b5<\/sub>)<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">Profondeur de coupe recommand\u00e9e (a<sub>p<\/sub>)<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\"><strong>CNMG 090304 \/ 090308<\/strong><\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">CNMG 321 \/ 322<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">4 bords<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">9,525 mm (3\/8 po)<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">3,18 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,4 \/ 0,8 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,5 \u2013 3,0 mm<\/td>\n        <\/tr>\n        <tr style=\"background-color: #f8fafc;\">\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\"><strong>CNMG 120404 \/ 120408 \/ 120412<\/strong><\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">CNMG 431 \/ 432 \/ 433<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">4 bords<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">12,70 mm (1\/2 po)<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">4,76 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,4 \/ 0,8 \/ 1,2 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,8 \u2013 5,5 mm<\/td>\n        <\/tr>\n        <tr>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\"><strong>CNMG 160608 \/ 160612 \/ 160616<\/strong><\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">CNMG 542 \/ 543 \/ 544<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">4 bords<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">15,875 mm (5\/8\u2033)<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">6,35 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,8 \/ 1,2 \/ 1,6 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">1,5 \u2013 7,5 mm<\/td>\n        <\/tr>\n        <tr style=\"background-color: #f8fafc;\">\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\"><strong>CNMG 12\/06\/1906 \/ 16\/06\/1906<\/strong><\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">CNMG 643 \/ 644<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">4 bords<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">19,05 mm (3\/4\u2033)<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">6,35 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">1,2 \/ 1,6 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">2,0 \u2013 9,0 mm<\/td>\n        <\/tr>\n        <tr>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\"><strong>WNMG 060404 \/ 060408<\/strong><\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">WNMG 331 \/ 332<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">6 bords<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">9,525 mm (3\/8 po)<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">4,76 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,4 \/ 0,8 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,5 \u2013 3,0 mm<\/td>\n        <\/tr>\n        <tr style=\"background-color: #f8fafc;\">\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\"><strong>WNMG 04\/04\/08 \/ 08\/04\/08 \/ 12\/04\/08<\/strong><\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">WNMG 431 \/ 432 \/ 433<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">6 bords<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">12,70 mm (1\/2 po)<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">4,76 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,4 \/ 0,8 \/ 1,2 mm<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,8 \u2013 4,5 mm<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <h2><span class=\"ez-toc-section\" id=\"6_Recommended_Starting_Cutting_Parameters_P_M_K_Workpieces\"><\/span>6. Param\u00e8tres de coupe initiaux recommand\u00e9s (pi\u00e8ces P \/ M \/ K)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n  <div style=\"overflow-x: auto; margin: 1.5rem 0;\">\n    <table style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 0.95rem;\">\n      <thead>\n        <tr style=\"background-color: #1e293b; color: #ffffff;\">\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">Groupe de mat\u00e9riaux ISO<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">Fonctionnement<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">Plaquette recommand\u00e9<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">Vitesse de coupe V<sub>c<\/sub> (m\/min)<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">Vitesse d'alimentation f<sub>n<\/sub> (mm\/tour)<\/th>\n          <th style=\"padding: 10px; border: 1px solid #cbd5e1;\">Profondeur de coupe a<sub>p<\/sub> (mm)<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\"><strong>ISO P (alliages et acier au carbone)<\/strong><\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">\u00c9bauche moyenne \u00e0 lourde<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">CNMG 120408 (rev\u00eatement CVD)<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">180 \u2013 280<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,25 \u2013 0,45<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">1,5 \u2013 5,0<\/td>\n        <\/tr>\n        <tr style=\"background-color: #f8fafc;\">\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\"><strong>ISO P (alliages et acier au carbone)<\/strong><\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">Semi-finition en continu<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">WNMG 080408 (MT-CVD)<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">200 \u2013 310<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,18 \u2013 0,35<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,8 \u2013 3,5<\/td>\n        <\/tr>\n        <tr>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\"><strong>ISO M (acier inoxydable 304\/316)<\/strong><\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">Tournage l\u00e9ger \u00e0 mod\u00e9r\u00e9<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">WNMG 080404 \/ CNMG 120404 (PVD)<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">120 \u2013 190<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,15 \u2013 0,28<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,8 \u2013 3,0<\/td>\n        <\/tr>\n        <tr style=\"background-color: #f8fafc;\">\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\"><strong>ISO K (fonte grise et ductile)<\/strong><\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">\u00c9bauche par \u00e0-coups<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">CNMG 120412 (Al \u00e9pais)<sub>2<\/sub>O<sub>3<\/sub> (MCV)<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">160 \u2013 260<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">0,25 \u2013 0,50<\/td>\n          <td style=\"padding: 10px; border: 1px solid #cbd5e1;\">1,5 \u2013 5,5<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_The_Verdict_Which_One_Should_You_Choose\"><\/span>7. Le verdict : lequel choisir ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Votre choix d\u00e9pend enti\u00e8rement de votre environnement de production et de la rigidit\u00e9 de votre machine.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choose_CNMG_If\"><\/span><strong>Choisissez CNMG si :<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vous \u00eates un <strong>Atelier de travail<\/strong> traitement de mat\u00e9riaux divers et conditions de coul\u00e9e incertaines.<\/li>\n\n\n\n<li>Pour les coupes profondes (profondeur de coupe &gt; 3-4 mm), une rigidit\u00e9 maximale est n\u00e9cessaire.<\/li>\n\n\n\n<li>Vous \u00eates pr\u00eat \u00e0 investir dans un porte-plaquette CNMG secondaire (<a href=\"https:\/\/onmytoolings.com\/fr\/produit\/od-porte-outil-de-tournage-mcknrl-dcknrl\/\" target=\"_blank\" rel=\"noreferrer noopener\">MCKNR\/L<\/a>) afin d'utiliser les angles \u201c cach\u00e9s \u201d \u00e0 100\u00b0 pour les op\u00e9rations de dressage, ce qui permet d'obtenir le co\u00fbt le plus bas possible par ar\u00eate.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choose_WNMG_If\"><\/span><strong>Choisissez WNMG si :<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vous \u00eates un <strong>Site de production<\/strong> fabriquer des milliers de pi\u00e8ces en acier identiques.<\/li>\n\n\n\n<li>Vous voulez une simplicit\u00e9 \u201c Plug and Play \u201d : un support, six bords, aucune r\u00e9flexion n\u00e9cessaire.<\/li>\n\n\n\n<li>Vous effectuez une coupe continue o\u00f9 la rigidit\u00e9 extr\u00eame n'est pas le principal obstacle.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Conseil de pro :<\/strong> Si vous avez un tiroir rempli de plaquettes CNMG usag\u00e9s, achetez d\u00e8s aujourd'hui un porte-outil MCKNR. Vous pourrez r\u00e9utiliser les plaquettes \u201c hors d'usage \u201d pour l'\u00e9bauche de pi\u00e8ces \u00e0 l'aide des angles \u00e0 100\u00b0 inutilis\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>CNMG vs WNMG Inserts: A Comparison When evaluating cnmg vs wnmg inserts for CNC turning, the core difference lies in the trade-off between structural stability and operational convenience. The cnmg insert is the industry standard for maximum stability and heavy-duty versatility. Its diamond shape offers a massive contact area with the tool holder, making it [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13217,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","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":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","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":[179],"tags":[189],"class_list":["post-13216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-turning-boring","tag-insert-compatibility"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/07\/VS.png",1600,936,false],"thumbnail":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/07\/VS-150x150.png",150,150,true],"medium":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/07\/VS-300x176.png",300,176,true],"medium_large":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/07\/VS-768x449.png",768,449,true],"large":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/07\/VS-1024x599.png",1024,599,true],"1536x1536":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/07\/VS-1536x899.png",1536,899,true],"2048x2048":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/07\/VS.png",1600,936,false],"trp-custom-language-flag":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2024\/07\/VS.png",18,12,false]},"uagb_author_info":{"display_name":"Jiang.xu","author_link":"https:\/\/onmytoolings.com\/fr\/author\/bigsunjianggmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"CNMG vs WNMG Inserts: A Comparison When evaluating cnmg vs wnmg inserts for CNC turning, the core difference lies in the trade-off between structural stability and operational convenience. The cnmg insert is the industry standard for maximum stability and heavy-duty versatility. Its diamond shape offers a massive contact area with the tool holder, making it\u2026","_links":{"self":[{"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/posts\/13216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/comments?post=13216"}],"version-history":[{"count":15,"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/posts\/13216\/revisions"}],"predecessor-version":[{"id":20100,"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/posts\/13216\/revisions\/20100"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/media\/13217"}],"wp:attachment":[{"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/media?parent=13216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/categories?post=13216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onmytoolings.com\/fr\/wp-json\/wp\/v2\/tags?post=13216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}