{"id":7898,"date":"2025-04-09T08:43:15","date_gmt":"2025-04-09T08:43:15","guid":{"rendered":"https:\/\/fmp-components.com\/?post_type=product&#038;p=7898"},"modified":"2025-04-14T08:55:11","modified_gmt":"2025-04-14T08:55:11","slug":"internal-ring-gear","status":"publish","type":"product","link":"https:\/\/fmp-components.com\/fr\/product\/internal-ring-gear\/","title":{"rendered":"Couronne dent\u00e9e interne"},"content":{"rendered":"<h2>Comprendre les couronnes dent\u00e9es internes<\/h2>\n<div><\/div>\n<div>Interne <a href=\"https:\/\/fmp-components.com\/fr\/ring-gear\/\">couronnes dent\u00e9es<\/a> Ce sont des composants essentiels des syst\u00e8mes m\u00e9caniques con\u00e7us pour r\u00e9duire la vitesse et augmenter le couple dans les applications \u00e0 arbres en ligne. Contrairement aux engrenages externes, ces engrenages cylindriques pr\u00e9sentent des dents taill\u00e9es dans leur diam\u00e8tre int\u00e9rieur, ce qui leur permet de s'engr\u00e8ner parfaitement avec les engrenages droits ou les pignons. Cette conception permet au pignon d'entra\u00eenement de tourner \u00e0 l'int\u00e9rieur de l'engrenage, offrant ainsi des performances fluides et efficaces. Les couronnes internes sont largement utilis\u00e9es dans les syst\u00e8mes d'engrenages plan\u00e9taires, les accouplements \u00e0 engrenages et autres configurations n\u00e9cessitant des solutions compactes \u00e0 couple \u00e9lev\u00e9. Leur fabrication fait g\u00e9n\u00e9ralement appel \u00e0 des machines \u00e0 tailler les engrenages avec fraises \u00e0 pignons, bien que des techniques modernes comme le skiving aient am\u00e9lior\u00e9 l'efficacit\u00e9 de la production. Cependant, leur g\u00e9om\u00e9trie complexe pose des d\u00e9fis, notamment pour les bagues plus fines, qui peuvent pr\u00e9senter des probl\u00e8mes d'int\u00e9grit\u00e9 structurelle ou des contraintes d'usinage.<\/div>\n<h3>Sp\u00e9cification<\/h3>\n<p>Couronne dent\u00e9e int\u00e9rieure pr\u00e9sentant des dents sur la surface int\u00e9rieure de sa jante.<\/p>\n<table border=\"1\" width=\"881\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td height=\"39\">Produits<\/td>\n<td>Couronne dent\u00e9e interne<\/td>\n<\/tr>\n<tr>\n<td height=\"39\">Sur mesure<\/td>\n<td>\u221a<\/td>\n<\/tr>\n<tr>\n<td height=\"39\">Type de profil d'engrenage<\/td>\n<td>Couronne dent\u00e9e cylindrique<\/td>\n<\/tr>\n<tr>\n<td height=\"39\">Fabrication de dents d'engrenage<\/td>\n<td>Fa\u00e7onnage des engrenages<\/td>\n<\/tr>\n<tr>\n<td height=\"39\">Rectification des dents d'engrenage<\/td>\n<td>* Si n\u00e9cessaire<\/td>\n<\/tr>\n<tr>\n<td height=\"39\">Module (M)<\/td>\n<td>Coutume<\/td>\n<\/tr>\n<tr>\n<td height=\"39\">Nombre de dents (Z)<\/td>\n<td>Coutume<\/td>\n<\/tr>\n<tr>\n<td>Angle de pression (\u03b1)<\/td>\n<td>Coutume<\/td>\n<\/tr>\n<tr>\n<td height=\"31\">Angle d'h\u00e9lice (\u03b2)<\/td>\n<td>Coutume<\/td>\n<\/tr>\n<tr>\n<td height=\"23\">Degr\u00e9 de pr\u00e9cision des dents<\/td>\n<td>Grade ISO 8-9<\/td>\n<\/tr>\n<tr>\n<td height=\"15\">Traitement thermique<\/td>\n<td>Trempe et revenu\/ Trempe par induction<\/td>\n<\/tr>\n<tr>\n<td>Duret\u00e9<\/td>\n<td>230-260 HB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table style=\"width: 99.1544%;\" border=\"1\" width=\"796\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td style=\"width: 116.377%;\" colspan=\"6\" height=\"36\">COMPARAISON DES NUANCES DES CODES D'ACIER<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.5139%;\" height=\"36\">CHINE\/GB<\/td>\n<td style=\"width: 18.136%;\">ISO<\/td>\n<td style=\"width: 17.3804%;\">GOST<\/td>\n<td style=\"width: 10.0756%;\">ASTM<\/td>\n<td style=\"width: 16.4987%;\">JIS<\/td>\n<td style=\"width: 35.7722%;\">VACARME<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.5139%;\" height=\"36\">45<\/td>\n<td style=\"width: 18.136%;\">C45E4<\/td>\n<td style=\"width: 17.3804%;\">45<\/td>\n<td style=\"width: 10.0756%;\">1045<\/td>\n<td style=\"width: 16.4987%;\">S45C<\/td>\n<td style=\"width: 35.7722%;\">CK45<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.5139%;\" height=\"36\">40Cr<\/td>\n<td style=\"width: 18.136%;\">41Cr4<\/td>\n<td style=\"width: 17.3804%;\">40X<\/td>\n<td style=\"width: 10.0756%;\">5140<\/td>\n<td style=\"width: 16.4987%;\">SCr440<\/td>\n<td style=\"width: 35.7722%;\">41Cr4<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.5139%;\" height=\"36\">20CrMo<\/td>\n<td style=\"width: 18.136%;\">18CrMo4<\/td>\n<td style=\"width: 17.3804%;\">20\u0425\u041c<\/td>\n<td style=\"width: 10.0756%;\">4118<\/td>\n<td style=\"width: 16.4987%;\">SCM22<\/td>\n<td style=\"width: 35.7722%;\">25CrMo4<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.5139%;\" height=\"36\">42CrMo<\/td>\n<td style=\"width: 18.136%;\">42CrMo4<\/td>\n<td style=\"width: 17.3804%;\">38XM<\/td>\n<td style=\"width: 10.0756%;\">4140<\/td>\n<td style=\"width: 16.4987%;\">SCM440<\/td>\n<td style=\"width: 35.7722%;\">42CrMo4<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.5139%;\" height=\"36\">20CrMnTi<\/td>\n<td style=\"width: 18.136%;\"><\/td>\n<td style=\"width: 17.3804%;\">18XGT<\/td>\n<td style=\"width: 10.0756%;\"><\/td>\n<td style=\"width: 16.4987%;\">SMK22<\/td>\n<td style=\"width: 35.7722%;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.5139%;\" height=\"36\">20Cr2Ni4<\/td>\n<td style=\"width: 18.136%;\"><\/td>\n<td style=\"width: 17.3804%;\">20X2H4A<\/td>\n<td style=\"width: 10.0756%;\"><\/td>\n<td style=\"width: 16.4987%;\"><\/td>\n<td style=\"width: 35.7722%;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.5139%;\" height=\"36\">20CrNiMo<\/td>\n<td style=\"width: 18.136%;\">20CrNiMo2<\/td>\n<td style=\"width: 17.3804%;\">20XHM<\/td>\n<td style=\"width: 10.0756%;\">8720<\/td>\n<td style=\"width: 16.4987%;\">SNCM220<\/td>\n<td style=\"width: 35.7722%;\">21NiCrMo2<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.5139%;\" height=\"36\">40CrNiMoA<\/td>\n<td style=\"width: 18.136%;\"><\/td>\n<td style=\"width: 17.3804%;\">40XH2MA\/<br \/>\n40XHMA<\/td>\n<td style=\"width: 10.0756%;\">4340<\/td>\n<td style=\"width: 16.4987%;\">SNCM439<\/td>\n<td style=\"width: 35.7722%;\">40NiCrMo6\/<br \/>\n36NiCrMo4<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.5139%;\" height=\"36\">20CrNi2Mo<\/td>\n<td style=\"width: 18.136%;\">20NiCrMo7<\/td>\n<td style=\"width: 17.3804%;\">20XH2MA<\/td>\n<td style=\"width: 10.0756%;\">4320<\/td>\n<td style=\"width: 16.4987%;\">SNCM420<\/td>\n<td style=\"width: 35.7722%;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7899\" src=\"https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/internal-ring-gear-product-image.webp\" alt=\"image-du-produit-de-la-couronne-interne\" width=\"2000\" height=\"1400\" title=\"\" srcset=\"https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/internal-ring-gear-product-image.webp 2000w, https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/internal-ring-gear-product-image-1280x896.webp 1280w, https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/internal-ring-gear-product-image-980x686.webp 980w, https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/internal-ring-gear-product-image-480x336.webp 480w\" sizes=\"(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) 2000px, 100vw\" \/><\/p>\n<h2>Aper\u00e7u de la conception et des applications<\/h2>\n<div>Les performances d'une couronne dent\u00e9e interne d\u00e9pendent de param\u00e8tres cl\u00e9s tels que le diam\u00e8tre ext\u00e9rieur, l'\u00e9paisseur et le profil des dents. Un diam\u00e8tre ext\u00e9rieur suffisamment grand assure la stabilit\u00e9 structurelle, tandis qu'une \u00e9paisseur ad\u00e9quate pr\u00e9vient les contraintes excessives en fonctionnement. Ces engrenages peuvent \u00eatre fabriqu\u00e9s en acier, en laiton, en bronze ou en plastique, avec une trempe adapt\u00e9e aux exigences de r\u00e9sistance et de durabilit\u00e9. Lorsqu'ils sont associ\u00e9s \u00e0 un engrenage droit ou \u00e0 un pignon, la compatibilit\u00e9 du pas, de l'angle de pression et de l'angle d'h\u00e9lice (pour les engrenages h\u00e9lico\u00efdaux) est essentielle, ainsi que la v\u00e9rification des interf\u00e9rences de d\u00e9veloppante, de trocho\u00efde et de rognage pour garantir un fonctionnement irr\u00e9prochable. Les engrenages internes sont particuli\u00e8rement performants dans les transmissions par engrenages plan\u00e9taires, offrant divers rapports de transmission et sens de rotation selon la configuration, ce qui en fait un choix polyvalent dans tous les secteurs.<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7913 aligncenter\" src=\"https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/internal_spur_ring_gear.webp\" alt=\"engrenage \u00e0 couronne cylindrique interne\" width=\"1024\" height=\"764\" title=\"\" srcset=\"https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/internal_spur_ring_gear.webp 1024w, https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/internal_spur_ring_gear-980x731.webp 980w, https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/internal_spur_ring_gear-480x358.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/div>\n<div>\n<h2>FMP : votre partenaire de confiance en Italie<\/h2>\n<p>Chez FMP, nous sommes fiers de produire une large gamme de couronnes dent\u00e9es internes pour r\u00e9pondre aux besoins industriels de toute l'Italie, des p\u00f4les industriels florissants de Milan aux centres d'ing\u00e9nierie de pr\u00e9cision de Venise, en passant par les ateliers artisanaux de Florence et le secteur automobile de Bologne. Notre gamme de produits comprend des couronnes dent\u00e9es internes standard de diff\u00e9rentes tailles et sp\u00e9cifications, mais notre force r\u00e9side dans la personnalisation\u00a0: nous concevons des solutions sur mesure pour r\u00e9pondre pr\u00e9cis\u00e9ment \u00e0 vos besoins. Si le mod\u00e8le souhait\u00e9 ne figure pas dans notre liste de produits, c'est simplement qu'il n'est pas encore disponible. Contactez-nous par e-mail avec vos sp\u00e9cifications\u00a0; nos ing\u00e9nieurs qualifi\u00e9s vous r\u00e9pondront sous 24\u00a0heures avec une solution sur mesure.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7914 aligncenter\" src=\"https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/fmp-ring-gear-product.webp\" alt=\"produit de couronne dent\u00e9e fmp\" width=\"1040\" height=\"502\" title=\"\" srcset=\"https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/fmp-ring-gear-product.webp 1040w, https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/fmp-ring-gear-product-980x473.webp 980w, https:\/\/fmp-components.com\/wp-content\/uploads\/2025\/04\/fmp-ring-gear-product-480x232.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1040px, 100vw\" \/><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Understanding Internal Ring Gears Internal ring gears are essential components in mechanical systems designed to reduce speed and increase torque in inline shaft applications. Unlike external gears, these cylindrical gears feature teeth cut into the inside diameter, allowing them to mesh seamlessly with spur gears or pinions. This design enables the driving pinion to rotate [&hellip;]<\/p>","protected":false},"featured_media":7911,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[114],"product_tag":[],"class_list":{"0":"post-7898","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ring-gear","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/fmp-components.com\/fr\/wp-json\/wp\/v2\/product\/7898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fmp-components.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/fmp-components.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/fmp-components.com\/fr\/wp-json\/wp\/v2\/comments?post=7898"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fmp-components.com\/fr\/wp-json\/wp\/v2\/media\/7911"}],"wp:attachment":[{"href":"https:\/\/fmp-components.com\/fr\/wp-json\/wp\/v2\/media?parent=7898"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/fmp-components.com\/fr\/wp-json\/wp\/v2\/product_brand?post=7898"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/fmp-components.com\/fr\/wp-json\/wp\/v2\/product_cat?post=7898"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/fmp-components.com\/fr\/wp-json\/wp\/v2\/product_tag?post=7898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}