{"id":2371,"date":"2026-06-25T05:53:53","date_gmt":"2026-06-25T05:53:53","guid":{"rendered":"https:\/\/helicalcutgears.top\/?p=2371"},"modified":"2026-06-25T05:53:53","modified_gmt":"2026-06-25T05:53:53","slug":"helical-gear-standard-sizes-module-reference","status":"publish","type":"post","link":"https:\/\/helicalcutgears.top\/fr\/helical-gear-standard-sizes-module-reference\/","title":{"rendered":"Dimensions standard des engrenages h\u00e9lico\u00efdaux \u2014 S\u00e9rie de modules ISO, diam\u00e8tre primitif et largeur de face de r\u00e9f\u00e9rence"},"content":{"rendered":"<div style=\"font-family: Arial,sans-serif; color: #2c3e50; max-width: 1100px; margin: 0 auto; padding: 0 2%; line-height: 1.75; word-break: break-word; overflow-wrap: break-word;\">\n<div style=\"position: relative; min-height: 320px; display: flex; align-items: center; background: url('https:\/\/helicalcutgears.top\/wp-content\/uploads\/2026\/04\/types-of-helical-gear.webp') center\/cover no-repeat; border-radius: 8px; overflow: hidden; margin-bottom: 44px;\">\n<div style=\"position: absolute; inset: 0; background: linear-gradient(108deg,rgba(10,22,45,.92) 0%,rgba(10,22,45,.74) 50%,rgba(10,22,45,.28) 100%);\"><\/div>\n<div style=\"position: relative; z-index: 1; padding: clamp(28px,5%,52px); max-width: 620px;\">\n<h1 style=\"font-size: clamp(22px,3.8vw,40px); font-weight: 800; color: #fff; line-height: 1.18; margin: 0 0 14px;\">Dimensions standard des engrenages h\u00e9lico\u00efdaux \u2014 S\u00e9rie de modules ISO, diam\u00e8tre primitif et largeur de face de r\u00e9f\u00e9rence<\/h1>\n<p style=\"font-size: clamp(14px,2vw,17px); color: rgba(255,255,255,.82); line-height: 1.85; margin-bottom: 14px; margin: 0 0 22px;\">Le choix du module appropri\u00e9 pour un engrenage h\u00e9lico\u00efdal est la premi\u00e8re \u00e9tape du dimensionnement et d\u00e9termine toutes les dimensions suivantes. Ce guide de r\u00e9f\u00e9rence pr\u00e9sente la s\u00e9rie de num\u00e9ros pr\u00e9f\u00e9rentiels ISO 54 qui normalise les valeurs des modules \u00e0 l'\u00e9chelle mondiale, le calcul du diam\u00e8tre primitif \u00e0 partir du module et du nombre de dents pour tout angle d'h\u00e9lice, ainsi que les recommandations relatives \u00e0 la largeur des faces qui garantissent un taux de recouvrement suffisant pour b\u00e9n\u00e9ficier pleinement des avantages des engrenages h\u00e9lico\u00efdaux en termes de bruit et de capacit\u00e9 de charge.<\/p>\n<p><a style=\"display: inline-block; background: #e67e22; color: #fff; font-weight: bold; font-size: clamp(13px,1.8vw,15px); padding: 12px 26px; border-radius: 6px; text-decoration: none;\" href=\"#contact\">Confirmez la taille de votre engrenage h\u00e9lico\u00efdal \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">La s\u00e9rie de num\u00e9ros pr\u00e9f\u00e9rentiels ISO 54 pour les modules d'engrenages h\u00e9lico\u00efdaux<\/h2>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Module Mn dans un <strong>engrenage h\u00e9lico\u00efdal<\/strong> La norme ISO 54 d\u00e9finit le module en deux s\u00e9ries de valeurs pr\u00e9f\u00e9rentielles. L'utilisation d'un module pr\u00e9f\u00e9rentiel garantit la disponibilit\u00e9 des fraises-m\u00e8res, des meules et des arbres de contr\u00f4le standard pour la production. Sp\u00e9cifier un module non standard (par exemple Mn = 3,7) n\u00e9cessite un outillage sur mesure, ce qui augmente les d\u00e9lais et les co\u00fbts. La s\u00e9rie ISO 54\u00a0:<\/p>\n<div style=\"overflow-x: auto; width: 100%; margin: 18px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 500px;\">\n<thead>\n<tr>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\" colspan=\"2\">Premier choix (obligatoire pour les nouveaux mod\u00e8les)<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\" colspan=\"2\">Deuxi\u00e8me choix (uniquement lorsque le premier choix ne fonctionne pas)<\/th>\n<\/tr>\n<tr>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Module<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Domaine d'application typique<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Module<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Quand le second choix est utilis\u00e9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M1<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Instruments, m\u00e9canismes de pr\u00e9cision<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M1.125<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Rarement\u00a0; outillage non standard requis<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M1.25<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Entra\u00eenements de petits m\u00e9canismes, \u00e9lectronique<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M1.375<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Contraintes d'espace uniquement<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M1.5<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Instruments de pr\u00e9cision, m\u00e9canisme de haute pr\u00e9cision<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M1.75<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">contraintes de distance centrale<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M2<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Automatisation l\u00e9g\u00e8re, machine alimentaire, servomoteur<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M2.25<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Remplacement des engrenages imp\u00e9riaux 10 DP<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M2.5<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Industrie l\u00e9g\u00e8re, petites bo\u00eetes de vitesses<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M2,75<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Contraintes d'espace<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M3<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Industrie l\u00e9g\u00e8re g\u00e9n\u00e9rale, emballage<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M3.5<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M4<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Industrie g\u00e9n\u00e9rale, servo moyen<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M4.5<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M5<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Module industriel standard \u2014 le module le plus courant pour les bo\u00eetes de vitesses ferm\u00e9es<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M5.5<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M6<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Entra\u00eenements industriels moyens pour pompes et ventilateurs<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M7<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M8<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Industrie lourde, grue, convoyeur<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M9<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M10<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">auxiliaires de laminoirs pour l'industrie lourde<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M11<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M12<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Bo\u00eetes de vitesses industrielles et marines ferm\u00e9es de grande taille<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M14<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M16<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Entra\u00eenements robustes, \u00e9tages ferm\u00e9s au four<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M18<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M20<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Pignons de broyeur \u00e0 ciment tr\u00e8s robustes<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M22<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M25<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">grands engrenages ouverts<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M28<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">M32, M40, M50<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">tr\u00e8s grandes roues dent\u00e9es ouvertes, engrenages cylindriques et annulaires<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M36, M45<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">R\u00e9f\u00e9rence du diam\u00e8tre primitif \u2014 Module \u00d7 Nombre de dents \u00e0 \u03b2 = 20\u00b0<\/h2>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Pour un <strong>engrenage h\u00e9lico\u00efdal<\/strong> Avec un module normal Mn \u00e0 un angle d'h\u00e9lice \u03b2 = 20\u00b0, le diam\u00e8tre primitif d = Mn \u00d7 z \/ cos 20\u00b0 = Mn \u00d7 z \/ 0,9397 = Mn \u00d7 z \u00d7 1,064. Le tableau ci-dessous pr\u00e9sente les combinaisons de module et de nombre de dents les plus courantes\u00a0:<\/p>\n<div style=\"overflow-x: auto; width: 100%; margin: 18px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 500px;\">\n<thead>\n<tr>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">z (dents)<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">M3 d (mm)<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">M4 d (mm)<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">M5 d (mm)<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">M6 d (mm)<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">M8 d (mm)<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">M10 d (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">18<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">57.5<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">76.7<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">95.9<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">115.0<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">153.4<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">191.7<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">20<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">63.9<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">85.2<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">106.5<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">127.8<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">170.3<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">212.9<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">24<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">76.7<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">102.2<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">127.8<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">153.3<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">204.4<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">255.5<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">30<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">95.9<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">127.8<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">159.8<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">191.7<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">255.5<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">319.4<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">36<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">115.0<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">153.4<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">191.7<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">230.0<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">306.7<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">383.4<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">48<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">153.4<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">204.4<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">255.5<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">306.7<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">409.0<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">511.0<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">60<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">191.7<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">255.5<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">319.4<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">383.4<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">511.0<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">638.8<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">80<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">255.5<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">340.7<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">425.9<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">511.0<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">681.4<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">851.7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"font-size: 11.5px; color: #7f8c8d; margin: -12px 0 18px; font-style: italic;\">d = Mn \u00d7 z \/ cos \u03b2 \u00e0 \u03b2 = 20\u00b0. Toutes les valeurs sont en mm.<\/p>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Directives relatives \u00e0 la largeur du visage \u2014 R\u00e8gles b\/d et b\/Mn<\/h2>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">La largeur de face b d'un <strong>engrenage h\u00e9lico\u00efdal<\/strong> doit satisfaire deux exigences ind\u00e9pendantes : (1) il doit fournir un rapport de contact de recouvrement ad\u00e9quat \u03b5_\u03b2 pour b\u00e9n\u00e9ficier pleinement du bruit et de la capacit\u00e9 de charge de la forme h\u00e9lico\u00efdale ; (2) il ne doit pas d\u00e9passer le rapport pratique b\/d\u2081 que la d\u00e9flexion de l'arbre et la rigidit\u00e9 du corps d'engrenage peuvent supporter sans charge de bord inacceptable.<\/p>\n<div style=\"overflow-x: auto; width: 100%; margin: 18px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 460px;\">\n<thead>\n<tr>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">R\u00e8gle<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Formule<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Plage typique<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Pourquoi cette limite<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">Largeur faciale minimale pour \u03b5_\u03b2 \u2265 1<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">b_min = \u03c0 \u00d7 Mn \/ sin \u03b2<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u00c0 \u03b2=20\u00b0 : b_min \u2248 9,2 \u00d7 Mn<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">En dessous de ce seuil, \u03b5_\u03b2 &lt; 1 et l&#039;avantage h\u00e9lico\u00efdal complet n&#039;est pas r\u00e9alis\u00e9.<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">Largeur de face recommand\u00e9e<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">b = 10\u201315 \u00d7 Mn<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">\u03b5_\u03b2 = 1,1\u20131,6 \u00e0 \u03b2=20\u00b0<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Marge confortable au-dessus de \u03b5_\u03b2 = 1 ; pratique pour la plupart des proportions de bo\u00eete de vitesses<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">Rapport b\/d\u2081 maximal<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">b \u2264 1,5 \u00d7 d\u2081 (flanc mou) ; b \u2264 1,1 \u00d7 d\u2081 (flanc dur)<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">b\/d\u2081 = 0,5\u20131,0 typique<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Au-del\u00e0 de ce point, la d\u00e9formation de l'arbre et la torsion du corps de l'engrenage provoquent des contraintes importantes sur les bords, m\u00eame avec un bombage.<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">Largeur maximale de la face pour les logements standard<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">b \u2264 0,6 \u00d7 a (distance au centre) typiquement<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">D\u00e9termin\u00e9 par la largeur du logement et l'\u00e9cartement des paliers d'arbre<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">Une largeur de face plus importante n\u00e9cessite une port\u00e9e d'arbre plus longue, avec une d\u00e9flexion d'arbre proportionnellement plus importante.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">Exemple : M5, z\u2081=24, \u03b2=20\u00b0 \u2192 d\u2081 = 127,8 mm<br \/>\nb_min (\u03b5_\u03b2 \u2265 1) = \u03c0 \u00d7 5 \/ sin 20\u00b0 = 46,1 mm<br \/>\nb recommand\u00e9 = 12 \u00d7 Mn = 60 mm (\u03b5_\u03b2 = 1,30)<br \/>\nMax b = 1,1 \u00d7 d\u2081 = 140,6 mm (flanc dur, avec bombage)<br \/>\nNorme pratique\u00a0: b = 60\u201380 mm pour cet engrenage<\/p>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Directives relatives au diam\u00e8tre d'al\u00e9sage standard des \u00e9bauches d'engrenages h\u00e9lico\u00efdaux<\/h2>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Le diam\u00e8tre d'al\u00e9sage d'un <strong>engrenage h\u00e9lico\u00efdal<\/strong> Elle est d\u00e9termin\u00e9e par le couple transmis et la r\u00e9sistance du mat\u00e9riau de l'arbre. Un point de d\u00e9part pratique pour les arbres en acier transmettant le couple nominal maximal\u00a0:<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">d_bore_min \u2248 4,5 \u00d7 \u221bT [mm, o\u00f9 T est en N\u00b7m, pour un arbre en acier alli\u00e9 standard]<\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">L'al\u00e9sage doit \u00eatre suffisamment large pour garantir une \u00e9paisseur de paroi ad\u00e9quate entre l'al\u00e9sage et le pied de la dent. Korea Ever-Power exige une \u00e9paisseur de paroi minimale de 2,5 \u00d7 Mn entre l'al\u00e9sage et le pied de la dent pour assurer l'int\u00e9grit\u00e9 structurelle et \u00e9viter toute fissuration de l'\u00e9bauche d'engrenage \u00e0 la jonction pied-al\u00e9sage lors du traitement thermique ou sous charge de service. La tol\u00e9rance d'al\u00e9sage pour les clavettes est de H7\u00a0; pour les assemblages serr\u00e9s, elle est de H7 ou H6 selon l'ajustement requis.<\/p>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Gamme d'alimentations Korea Ever-Power \u2014 M1 \u00e0 M50<\/h2>\n<p><img decoding=\"async\" style=\"width: 100%; height: auto; display: block; margin: 22px 0; border-radius: 6px; box-shadow: 0 3px 12px rgba(0,0,0,.10);\" src=\"https:\/\/helicalcutgears.top\/wp-content\/uploads\/2026\/04\/helical-gear-workshop-2-scaled.webp\" alt=\"L&#039;usine de fabrication Korea Ever-Power pr\u00e9sente des engrenages h\u00e9lico\u00efdaux couvrant toute la gamme de modules standard, des engrenages d&#039;instrumentation \u00e0 pas fin M1 aux engrenages de transmission industriels \u00e0 grand module M40.\" \/><\/p>\n<p style=\"font-size: 12.5px; color: #7f8c8d; text-align: center; margin: -14px 0 24px; font-style: italic;\">La gamme de production de Korea Ever-Power couvre les diam\u00e8tres Mn = M1 \u00e0 M50 et les diam\u00e8tres ext\u00e9rieurs de 20 mm \u00e0 2500 mm, pour les instruments \u00e0 pas fin. <strong>engrenages h\u00e9lico\u00efdaux<\/strong> Composants d'entra\u00eenement ouverts de grande taille. Toutes les tailles utilisent en standard des modules ISO 54\u00a0; les modules non standard sont accept\u00e9s moyennant un d\u00e9lai de fabrication sur mesure.<\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Korea Ever-Power fabrique <a style=\"color: #1a5276; text-decoration: underline;\" href=\"https:\/\/helicalcutgears.top\/fr\/product-category\/helical-gear\/\">engrenages \u00e0 denture h\u00e9lico\u00efdale<\/a> De Mn = M1 \u00e0 M50, diam\u00e8tre ext\u00e9rieur 20 \u00e0 2500 mm, classe DIN 3 \u00e0 9, dans tous les mat\u00e9riaux standard, du 45# QT au 17CrNiMo6 c\u00e9ment\u00e9 et \u00e0 l'acier inoxydable SS316L. Tous les modules de la s\u00e9rie ISO 54 (premier choix) sont des articles de production standard avec outillage disponible\u00a0; les modules de second choix et les modules non standard (par exemple, les modules DP imp\u00e9riaux convertis) sont disponibles avec un d\u00e9lai d'outillage de 2 \u00e0 4 semaines. <a style=\"color: #1a5276; text-decoration: underline;\" href=\"https:\/\/helicalcutgears.top\/fr\/\">fabricant d'engrenages h\u00e9lico\u00efdaux<\/a>, Korea Ever-Power d\u00e9tient des matrices m\u00e8res et des profils de dressage pour tous les modules ISO 54 de premier choix de M1 \u00e0 M32 sur un stock d'outillage permanent.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1992\" src=\"https:\/\/helicalcutgears.top\/wp-content\/uploads\/2026\/04\/application-of-helical-gear-4.webp\" alt=\"application de l&#039;engrenage h\u00e9lico\u00efdal 4\" width=\"1402\" height=\"1122\" srcset=\"https:\/\/helicalcutgears.top\/wp-content\/uploads\/2026\/04\/application-of-helical-gear-4.webp 1402w, https:\/\/helicalcutgears.top\/wp-content\/uploads\/2026\/04\/application-of-helical-gear-4-1280x1024.webp 1280w, https:\/\/helicalcutgears.top\/wp-content\/uploads\/2026\/04\/application-of-helical-gear-4-980x784.webp 980w, https:\/\/helicalcutgears.top\/wp-content\/uploads\/2026\/04\/application-of-helical-gear-4-480x384.webp 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1402px, 100vw\" \/><\/p>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Foire aux questions<\/h2>\n<div style=\"border-bottom: 1px solid #e0e0e0; padding: 14px 0;\"><strong style=\"font-size: clamp(14px,2vw,17px); color: #1a5276; line-height: 1.85; margin-bottom: 7px; display: block;\">Quel est le rapport entre le pas diam\u00e9tral (DP) utilis\u00e9 aux \u00c9tats-Unis et le module utilis\u00e9 \u00e0 l'international\u00a0?<\/strong><\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 0;\">Le module Mn et le pas diam\u00e9tral DP (US\/imp\u00e9rial) sont inversement proportionnels\u00a0: Mn = 25,4 \/ DP. \u00c9quivalences courantes\u00a0: DP 8 = Mn 3,175 (proche de M3)\u00a0; DP 6 = Mn 4,233 (proche de M4)\u00a0; DP 5 = Mn 5,08 (proche de M5)\u00a0; DP 4 = Mn 6,35 (proche de M6)\u00a0; DP 3 = Mn 8,47 (proche de M8). Pour le remplacement <strong>engrenages h\u00e9lico\u00efdaux<\/strong> Gr\u00e2ce \u00e0 des machines de conception am\u00e9ricaine, Korea Ever-Power peut produire des modules DP imp\u00e9riaux pr\u00e9cis (par exemple, DP 6 exactement, et non M4.233 arrondi) \u00e0 l'aide d'outillage sur mesure, ou le module ISO standard le plus proche (M4) avec un l\u00e9ger ajustement de l'entraxe ou du profil. Korea Ever-Power d\u00e9termine la m\u00e9thode appropri\u00e9e apr\u00e8s avoir examin\u00e9 l'entraxe du logement et les sp\u00e9cifications de l'engrenage.<\/p>\n<\/div>\n<div style=\"border-bottom: 1px solid #e0e0e0; padding: 14px 0;\"><strong style=\"font-size: clamp(14px,2vw,17px); color: #1a5276; line-height: 1.85; margin-bottom: 7px; display: block;\">Pourquoi la largeur de la face doit-elle d\u00e9passer 9,2 \u00d7 Mn \u00e0 \u03b2 = 20\u00b0 pour des performances optimales de l'engrenage h\u00e9lico\u00efdal ?<\/strong><\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 0;\">Pour b\u00e9n\u00e9ficier pleinement des avantages de l'engrenage h\u00e9lico\u00efdal, le taux de recouvrement \u03b5_\u03b2 = b \u00d7 sin \u03b2 \/ (\u03c0 \u00d7 Mn) doit \u00eatre \u2265 1,0, ce qui signifie qu'au moins un pas de dent suppl\u00e9mentaire est en contact en permanence. Pour \u03b5_\u03b2 = 1,0, b_min = \u03c0 \u00d7 Mn \/ sin \u03b2. \u00c0 \u03b2 = 20\u00b0, b_min = \u03c0 \u00d7 Mn \/ 0,342 = 9,19 \u00d7 Mn. En dessous de cette largeur de denture, il existe des instants, lors du cycle d'engr\u00e8nement, o\u00f9 une seule paire de dents supporte la totalit\u00e9 de la charge transmise, comme pour un engrenage droit. Tous les avantages de l'engrenage h\u00e9lico\u00efdal en termes de bruit et de capacit\u00e9 de charge d\u00e9pendent de \u03b5_\u03b2 \u2265 1. Cette r\u00e8gle relative \u00e0 la largeur de denture est la plus fr\u00e9quemment enfreinte lors des \u00e9tudes pr\u00e9liminaires d'engrenages, o\u00f9 cette largeur est impos\u00e9e par des contraintes d'encombrement sans v\u00e9rification de \u03b5_\u03b2.<\/p>\n<\/div>\n<div style=\"border-bottom: 1px solid #e0e0e0; padding: 14px 0;\"><strong style=\"font-size: clamp(14px,2vw,17px); color: #1a5276; line-height: 1.85; margin-bottom: 7px; display: block;\">Existe-t-il un module maximal pour le taillage et la rectification sur les machines \u00e0 engrenages CNC standard\u00a0?<\/strong><\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 0;\">Les machines \u00e0 tailler les engrenages CNC standard traitent les modules Mn = M1\u2013M50+ sans limitation fondamentale\u00a0; les dimensions de la fraise et la puissance de la machine sont proportionnelles au module. La rectification d'engrenages CNC (rectification par g\u00e9n\u00e9ration de type H\u00d6FLER) est pratiquement limit\u00e9e \u00e0 environ Mn = M32\u2013M40 par la taille de la meule et la rigidit\u00e9 du profil\u00a0; les modules tr\u00e8s importants (M40\u2013M50) sont g\u00e9n\u00e9ralement rectifi\u00e9s par finition \u00e0 l'aide d'une rectification monopoint ou d'un fraisage de profil plut\u00f4t que par g\u00e9n\u00e9ration. Les capacit\u00e9s de rectification internes de Korea Ever-Power couvrent les modules Mn de M1 \u00e0 M36 en g\u00e9n\u00e9ration et de M36 \u00e0 M50 en rectification de forme, couvrant ainsi toute la gamme de modules pour les r\u00e9ducteurs ferm\u00e9s. <strong>engrenages h\u00e9lico\u00efdaux<\/strong>.<\/p>\n<\/div>\n<div style=\"padding: 14px 0;\"><strong style=\"font-size: clamp(14px,2vw,17px); color: #1a5276; line-height: 1.85; margin-bottom: 7px; display: block;\">Quand un module non standard est-il n\u00e9cessaire, et comment Korea Ever-Power g\u00e8re-t-il ce type de situation\u00a0?<\/strong><\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 0;\">Des modules non standard sont n\u00e9cessaires dans deux situations\u00a0: (1) le remplacement d\u2019un module existant <strong>engrenage h\u00e9lico\u00efdal<\/strong> (1) Une fraise initialement con\u00e7ue selon une norme imp\u00e9riale DP (courante sur les machines am\u00e9ricaines et britanniques) ou selon une sp\u00e9cification de module non ISO provenant d'\u00e9quipements plus anciens\u00a0; (2) une contrainte d'entraxe tr\u00e8s sp\u00e9cifique qui ne peut \u00eatre respect\u00e9e avec des modules standard et un d\u00e9calage de profil. Korea Ever-Power prend en charge les modules non standard en produisant une fraise sur mesure (d\u00e9lai suppl\u00e9mentaire de 2 \u00e0 4 semaines et co\u00fbt d'outillage de 800 \u00e0 3\u00a0000\u00a0USD selon le module) ou en utilisant un d\u00e9calage de profil sur le module standard le plus proche pour atteindre l'entraxe requis. Dans ce dernier cas, Korea Ever-Power calcule le coefficient de d\u00e9calage de profil requis et v\u00e9rifie que le d\u00e9gagement des dents et le r\u00e9tr\u00e9cissement de la pointe restent dans les limites acceptables.<\/p>\n<\/div>\n<div id=\"contact\" style=\"background: linear-gradient(135deg,#12243e 0%,#1c4a8a 100%); border-radius: 10px; padding: clamp(28px,5%,48px); margin: 48px 0 20px; text-align: center;\">\n<h2 style=\"font-size: clamp(20px,3vw,30px); color: #fff; font-weight: 800; margin: 0 0 12px;\">Veuillez confirmer la taille de votre module d'engrenage h\u00e9lico\u00efdal.<\/h2>\n<p style=\"font-size: clamp(14px,2vw,16.5px); color: rgba(255,255,255,.78); max-width: 520px; margin: 0 auto 26px; line-height: 1.72;\">Indiquez la puissance, la vitesse, l'entraxe et le rapport de r\u00e9duction. Korea Ever-Power s\u00e9lectionne le module ISO 54 appropri\u00e9, calcule le diam\u00e8tre primitif et la largeur de face, v\u00e9rifie la conformit\u00e9 \u03b5_\u03b2 \u2265 1 et confirme la disponibilit\u00e9 de l'outillage \u2013 d\u00e8s l'\u00e9tablissement du devis et avant tout engagement de production.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-bottom: 12px;\"><a style=\"display: inline-block; background: #e67e22; color: #fff; font-weight: bold; font-size: clamp(13px,1.8vw,15px); padding: 13px 28px; border-radius: 6px; text-decoration: none;\" href=\"#contact\">Demande d'assistance pour la s\u00e9lection de modules<\/a><br \/>\n<a style=\"display: inline-block; background: transparent; color: #fff; font-weight: bold; font-size: clamp(13px,1.8vw,15px); padding: 13px 28px; border-radius: 6px; text-decoration: none; border: 2px solid rgba(255,255,255,.55);\" href=\"https:\/\/helicalcutgears.top\/fr\/product-category\/helical-gear\/\">Gamme de produits \u00e0 engrenages h\u00e9lico\u00efdaux<\/a><\/div>\n<p style=\"font-size: clamp(12px,1.6vw,13.5px); color: rgba(255,255,255,.48); margin: 0;\">M1\u2013M50 \u00b7 S\u00e9rie pr\u00e9f\u00e9r\u00e9e ISO 54 \u00b7 V\u00e9rification \u03b5_\u03b2 \u00b7 Calcul de la largeur de la face \u00b7 Conversion DP-module \u00b7 Quantit\u00e9 minimale de commande\u00a0: 1 pi\u00e8ce<\/p>\n<\/div>\n<p>\u00c9diteur : Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Dimensions standard des engrenages h\u00e9lico\u00efdaux\u00a0\u2014 S\u00e9rie de modules ISO, diam\u00e8tre primitif et largeur de face. Le choix du module appropri\u00e9 pour un engrenage h\u00e9lico\u00efdal est la premi\u00e8re \u00e9tape du dimensionnement et d\u00e9termine toutes les dimensions suivantes. Ce guide de r\u00e9f\u00e9rence pr\u00e9sente la s\u00e9rie de num\u00e9ros pr\u00e9f\u00e9rentiels ISO\u00a054 qui normalise les valeurs des modules dans le monde entier, ainsi que la m\u00e9thode de calcul du pas [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[3082],"tags":[],"class_list":["post-2371","post","type-post","status-publish","format-standard","hentry","category-helical-gears"],"_links":{"self":[{"href":"https:\/\/helicalcutgears.top\/fr\/wp-json\/wp\/v2\/posts\/2371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helicalcutgears.top\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/helicalcutgears.top\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/fr\/wp-json\/wp\/v2\/comments?post=2371"}],"version-history":[{"count":2,"href":"https:\/\/helicalcutgears.top\/fr\/wp-json\/wp\/v2\/posts\/2371\/revisions"}],"predecessor-version":[{"id":2375,"href":"https:\/\/helicalcutgears.top\/fr\/wp-json\/wp\/v2\/posts\/2371\/revisions\/2375"}],"wp:attachment":[{"href":"https:\/\/helicalcutgears.top\/fr\/wp-json\/wp\/v2\/media?parent=2371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helicalcutgears.top\/fr\/wp-json\/wp\/v2\/categories?post=2371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helicalcutgears.top\/fr\/wp-json\/wp\/v2\/tags?post=2371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}