{"id":3793,"date":"2026-05-22T09:23:38","date_gmt":"2026-05-22T09:23:38","guid":{"rendered":"https:\/\/manufactorhinge.com\/?p=3793"},"modified":"2026-05-22T09:23:40","modified_gmt":"2026-05-22T09:23:40","slug":"comment-calculer-le-couple-des-exigences-de-la-charniere-formule-exemples","status":"publish","type":"post","link":"https:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/","title":{"rendered":"Comment calculer le couple requis pour les charni\u00e8res - Formule + exemples"},"content":{"rendered":"<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">La sp\u00e9cification d'une charni\u00e8re dynamom\u00e9trique commence par un chiffre : le couple de maintien dont votre application a besoin. Si ce couple est correct, le panneau reste exactement l\u00e0 o\u00f9 l'utilisateur l'a laiss\u00e9 pendant toute la dur\u00e9e de vie du produit. Si vous vous trompez, le panneau se refermera sous l'effet de son propre poids ou sera rigide et difficile \u00e0 d\u00e9placer. Ce guide vous montre comment calculer le couple requis en cinq \u00e9tapes, avec trois exemples concrets et les facteurs de s\u00e9curit\u00e9 appliqu\u00e9s par les ing\u00e9nieurs exp\u00e9riment\u00e9s.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_1 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\" style=\"cursor:inherit\">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: #999;color:#999\" 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: #999;color:#999\" 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:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#The_Physics_Why_Torque_Not_Just_Weight\" >La physique : Pourquoi le couple, pas seulement le poids<\/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:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Units_N%C2%B7m_and_kgf%C2%B7cm\" >Unit\u00e9s : N-m et kgf-cm<\/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:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#The_Formula_Step_by_Step\" >La formule, \u00e9tape par \u00e9tape<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Three_Worked_Examples\" >Trois exemples concrets<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Example_1_%E2%80%94_Laptop_or_Tablet_Screen_light_load\" >Exemple 1 - \u00c9cran d'un ordinateur portable ou d'une tablette (charge l\u00e9g\u00e8re)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Example_2_%E2%80%94_Industrial_HMI_Control_Panel_medium_load\" >Exemple 2 - Panneau de contr\u00f4le industriel IHM (charge moyenne)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Example_3_%E2%80%94_Self-Service_Kiosk_Rotating_Display_heavier_load\" >Exemple 3 - Affichage rotatif d'un kiosque libre-service (charge plus importante)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Choosing_the_Right_Safety_Factor\" >Choisir le bon facteur de s\u00e9curit\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Common_Mistakes_to_Avoid\" >Les erreurs les plus courantes \u00e0 \u00e9viter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#When_to_Use_Multiple_Hinges\" >Quand utiliser des charni\u00e8res multiples<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/manufactorhinge.com\/fr\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Frequently_Asked_Questions\" >Questions fr\u00e9quemment pos\u00e9es<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p class=\"wp-block-paragraph\">Cet article fait partie de notre <a href=\"https:\/\/manufactorhinge.com\/fr\/produits\/charnieres-a-couple\/\">guide des charni\u00e8res de couple<\/a>. Si vous avez besoin d'un rappel sur ce que sont les charni\u00e8res de couple et comment elles fonctionnent, commencez par notre vue d'ensemble des charni\u00e8res de couple. <a href=\"https:\/\/manufactorhinge.com\/fr\/quest-ce-quune-charniere-de-couple\/\">ce qu'est une charni\u00e8re de couple<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>La r\u00e9ponse en 30 secondes<\/strong><br>Couple requis = poids du panneau (kg) \u00d7 9,81 \u00d7 distance entre l'axe de la charni\u00e8re et le centre de gravit\u00e9 du panneau (m). On obtient ainsi le couple en newtons-m\u00e8tres (N-m) n\u00e9cessaire pour maintenir le panneau \u00e0 l'horizontale. Appliquez ensuite un facteur de s\u00e9curit\u00e9 de 1,5\u00d7 pour une utilisation normale, ou de 2\u00d7 pour les applications \u00e0 cycles \u00e9lev\u00e9s ou \u00e0 vibrations. Pour un panneau de 2 kg dont le centre de gravit\u00e9 est situ\u00e9 \u00e0 100 mm de l'axe : 2 \u00d7 9,81 \u00d7 0,1 = 1,96 N-m \u00d7 1,5 = environ 3 N-m de couple de maintien.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Vous pr\u00e9f\u00e9rez ne pas faire de calculs ?<\/strong><br>Utilisez notre <a href=\"https:\/\/manufactorhinge.com\/fr\/calculateur-de-charniere-de-couple\/\">calculateur de charni\u00e8re de couple<\/a> - Saisissez le poids de votre panneau, la distance au centre de gravit\u00e9, le nombre de charni\u00e8res et le facteur de s\u00e9curit\u00e9, et le syst\u00e8me vous renvoie instantan\u00e9ment le couple de maintien requis par charni\u00e8re, avec une recommandation de plage de charni\u00e8res adapt\u00e9e.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"the-physics-why-torque-not-just-weight\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Physics_Why_Torque_Not_Just_Weight\"><\/span><strong>La physique : Pourquoi le couple, pas seulement le poids<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Une erreur fr\u00e9quente consiste \u00e0 dimensionner une charni\u00e8re en fonction du seul poids du panneau. Le poids est important, mais ce \u00e0 quoi la charni\u00e8re r\u00e9siste r\u00e9ellement est <em>couple<\/em> - la force de rotation cr\u00e9\u00e9e par ce poids agissant \u00e0 une certaine distance du pivot. Un panneau l\u00e9ger mont\u00e9 loin de l'axe de la charni\u00e8re peut exiger un couple plus important qu'un panneau lourd mont\u00e9 \u00e0 proximit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le couple est le produit de la force et de la distance. La force est le poids du panneau agissant par gravit\u00e9. La distance - appel\u00e9e bras de levier - est mesur\u00e9e \u00e0 partir de l'axe de rotation de la charni\u00e8re jusqu'au centre de gravit\u00e9 du panneau, mesur\u00e9 horizontalement lorsque le panneau est dans sa position la plus d\u00e9favorable (g\u00e9n\u00e9ralement horizontale). Plus le centre de gravit\u00e9 est \u00e9loign\u00e9 de l'axe, plus la charni\u00e8re doit r\u00e9sister \u00e0 un couple important pour maintenir sa position.<\/p>\n\n\n\n<h3 id=\"units-n-m-and-kgf-cm\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Units_N%C2%B7m_and_kgf%C2%B7cm\"><\/span><strong>Unit\u00e9s : N-m et kgf-cm<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le couple est le plus souvent sp\u00e9cifi\u00e9 en newtons-m\u00e8tres (N-m). Certains catalogues utilisent des kilogrammes-force-centim\u00e8tres (kgf-cm), en particulier en Asie. La conversion est simple : 1 N-m \u00e9quivaut \u00e0 environ 10,2 kgf-cm. Les valeurs de couple du catalogue HSP sont sp\u00e9cifi\u00e9es en N-m, avec des mod\u00e8les allant de 0,1 N-m pour les charni\u00e8res miniatures jusqu'\u00e0 25 N-m pour les charni\u00e8res \u00e0 couple r\u00e9glable pour service intensif.<\/p>\n\n\n\n<h2 id=\"the-formula-step-by-step\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Formula_Step_by_Step\"><\/span><strong>La formule, \u00e9tape par \u00e9tape<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Voici le processus de calcul complet. Faites-le une fois avec vos propres chiffres et le choix du couple deviendra une d\u00e9cision d'ing\u00e9nierie reproductible et d\u00e9fendable plut\u00f4t qu'une supposition.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Mesurer le poids du panneau (W).<\/strong> Pesez le panneau, le couvercle ou l'\u00e9cran que la charni\u00e8re portera, y compris tout ce qui est mont\u00e9 dessus - un \u00e9cran, des c\u00e2bles, des accessoires ou un couvercle. Utilisez la configuration r\u00e9aliste la plus lourde. R\u00e9sultat en kilogrammes.<\/li>\n\n\n\n<li><strong>Trouvez la distance du centre de gravit\u00e9 (d).<\/strong> Mesurer horizontalement \u00e0 partir de l'axe de rotation de la charni\u00e8re jusqu'au centre de gravit\u00e9 du panneau, dans la position o\u00f9 la gravit\u00e9 cr\u00e9e le couple le plus important (g\u00e9n\u00e9ralement lorsque le panneau est horizontal). Pour un panneau plat et uniforme, le centre de gravit\u00e9 se situe au centre g\u00e9om\u00e9trique. R\u00e9sultat en m\u00e8tres.<\/li>\n\n\n\n<li><strong>Calculer le couple de maintien statique (T).<\/strong> Multipliez : T = W \u00d7 9,81 \u00d7 d. Le 9,81 convertit la masse en force gravitationnelle. R\u00e9sultat en newton-m\u00e8tre.<\/li>\n\n\n\n<li><strong>Appliquer un facteur de s\u00e9curit\u00e9.<\/strong> Multiplier le couple statique par 1,5 pour les applications normales, ou par 2 pour les applications \u00e0 cycle \u00e9lev\u00e9, \u00e0 fortes vibrations ou critiques en termes de s\u00e9curit\u00e9. Cela tient compte de la perte de r\u00e9tention du couple au cours de la dur\u00e9e de vie de la charni\u00e8re et de la variation de la charge dans le monde r\u00e9el.<\/li>\n\n\n\n<li><strong>R\u00e9partir sur plusieurs charni\u00e8res si elles sont utilis\u00e9es.<\/strong> Si le panneau comporte deux charni\u00e8res, chacune supporte environ la moiti\u00e9 de la charge - divisez le couple requis par charni\u00e8re en cons\u00e9quence. La plupart des panneaux utilisent au moins deux charni\u00e8res pour assurer leur stabilit\u00e9.<\/li>\n<\/ol>\n\n\n\n<h2 id=\"three-worked-examples\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Three_Worked_Examples\"><\/span><strong>Trois exemples concrets<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La formule est plus claire lorsqu'elle est appliqu\u00e9e \u00e0 des cas r\u00e9els. En voici trois qui concernent diff\u00e9rentes gammes de charges et diff\u00e9rents secteurs d'activit\u00e9.<\/p>\n\n\n\n<h3 id=\"example-1-laptop-or-tablet-screen-light-load\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example_1_%E2%80%94_Laptop_or_Tablet_Screen_light_load\"><\/span><strong>Exemple 1 - \u00c9cran d'un ordinateur portable ou d'une tablette (charge l\u00e9g\u00e8re)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un \u00e9cran pliable p\u00e8se 0,4 kg et son centre de gravit\u00e9 se situe \u00e0 150 mm (0,15 m) de l'axe de la charni\u00e8re lorsqu'il est ouvert.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Couple statique : 0.4 \u00d7 9.81 \u00d7 0.15 = <strong>0,59 N-m<\/strong><\/li>\n\n\n\n<li>Avec un facteur de s\u00e9curit\u00e9 de 1,5 : 0,59 \u00d7 1,5 = <strong>0,88 N-m<\/strong><\/li>\n\n\n\n<li>Entre deux charni\u00e8res : environ <strong>0,45 N-m par charni\u00e8re<\/strong><\/li>\n\n\n\n<li><strong>S\u00e9lection :<\/strong> une charni\u00e8re \u00e0 couple mini ou constant de l'ordre de 0,5 \u00e0 1,0 N-m par charni\u00e8re. Cela correspond bien \u00e0 l'objectif de HSP, qui est de produire des charni\u00e8res \u00e0 couple mini ou constant. <a href=\"https:\/\/manufactorhinge.com\/fr\/produits\/charnieres-a-couple\/mini-charnieres-de-couple-compactes\/\">gamme de charni\u00e8res \u00e0 couple mini<\/a>, qui offre une r\u00e9solution aussi fine que 0,1 N-m.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"example-2-industrial-hmi-control-panel-medium-load\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example_2_%E2%80%94_Industrial_HMI_Control_Panel_medium_load\"><\/span><strong>Exemple 2 - Panneau de contr\u00f4le industriel IHM (charge moyenne)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un panneau de commande p\u00e8se 3 kg et son centre de gravit\u00e9 se situe \u00e0 200 mm (0,2 m) de l'axe de la charni\u00e8re. Il est ouvert et ferm\u00e9 de nombreuses fois par \u00e9quipe, ce qui en fait une application \u00e0 cycle \u00e9lev\u00e9.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Couple statique : 3 \u00d7 9.81 \u00d7 0.2 = <strong>5,89 N-m<\/strong><\/li>\n\n\n\n<li>Avec un facteur de s\u00e9curit\u00e9 de 2\u00d7 (cycle \u00e9lev\u00e9) : 5.89 \u00d7 2 = <strong>11,8 N-m<\/strong><\/li>\n\n\n\n<li>Entre deux charni\u00e8res : environ <strong>5,9 N-m par charni\u00e8re<\/strong><\/li>\n\n\n\n<li><strong>S\u00e9lection :<\/strong> une charni\u00e8re \u00e0 couple r\u00e9glable d'environ 5-6 N-m par charni\u00e8re. Une <a href=\"https:\/\/manufactorhinge.com\/fr\/produits\/charnieres-a-couple\/charnieres-a-couple-reglable\/\">charni\u00e8re \u00e0 couple r\u00e9glable<\/a> est le bon choix - il permet \u00e0 l'op\u00e9rateur d'affiner la sensation apr\u00e8s l'installation, en fonction de la charge du panneau ou de ses pr\u00e9f\u00e9rences.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"example-3-self-service-kiosk-rotating-display-heavier-load\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example_3_%E2%80%94_Self-Service_Kiosk_Rotating_Display_heavier_load\"><\/span><strong>Exemple 3 - Affichage rotatif d'un kiosque libre-service (charge plus importante)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un kiosque p\u00e8se 5 kg et son centre de gravit\u00e9 est situ\u00e9 \u00e0 300 mm (0,3 m) de l'axe de rotation. Il pivote pour permettre aux clients et aux op\u00e9rateurs de le voir et doit pouvoir supporter n'importe quel angle.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Couple statique : 5 \u00d7 9.81 \u00d7 0.3 = <strong>14,7 N-m<\/strong><\/li>\n\n\n\n<li>Avec un facteur de s\u00e9curit\u00e9 de 1,5 : 14,7 \u00d7 1,5 = <strong>22,1 N-m<\/strong><\/li>\n\n\n\n<li><strong>S\u00e9lection :<\/strong> \u00e0 ce niveau, les exigences se rapprochent de la limite sup\u00e9rieure de la plage de couple standard, de sorte que la r\u00e9partition de la charge sur deux charni\u00e8res (environ 11 N-m chacune) ou la sp\u00e9cification d'une unit\u00e9 \u00e0 couple \u00e9lev\u00e9 sur mesure est la voie pratique \u00e0 suivre. A <a href=\"https:\/\/manufactorhinge.com\/fr\/produits\/charnieres-a-couple\/charniere-de-couple-pivotante-a-360\/\">charni\u00e8re de couple pivotante<\/a> HSP peut d\u00e9velopper des valeurs de couple personnalis\u00e9es allant jusqu'\u00e0 25 N-m pour les applications situ\u00e9es \u00e0 cette extr\u00e9mit\u00e9 de la gamme.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"choosing-the-right-safety-factor\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Safety_Factor\"><\/span><strong>Choisir le bon facteur de s\u00e9curit\u00e9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le facteur de s\u00e9curit\u00e9 n'est pas un rembourrage - il tient compte des effets techniques r\u00e9els qui \u00e9rodent le couple de maintien au fil du temps et des conditions d'utilisation. Bien le choisir fait la diff\u00e9rence entre une charni\u00e8re qui tient pendant toute la dur\u00e9e de vie du produit et une charni\u00e8re qui d\u00e9rive au bout d'un an.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Type d'application<\/strong><\/td><td><strong>Facteur de s\u00e9curit\u00e9 sugg\u00e9r\u00e9<\/strong><\/td><td><strong>Pourquoi<\/strong><\/td><\/tr><tr><td>Faible utilisation, int\u00e9rieur, temp\u00e9rature stable<\/td><td>1.5\u00d7<\/td><td>D\u00e9rive minimale du couple attendue au cours de la dur\u00e9e de vie<\/td><\/tr><tr><td>Cycle \u00e9lev\u00e9 (nombreux mouvements par jour)<\/td><td>2\u00d7<\/td><td>Les surfaces de frottement s'usent ; le couple diminue progressivement<\/td><\/tr><tr><td>Environnement vibrant (machines, v\u00e9hicules)<\/td><td>2\u00d7<\/td><td>Les vibrations peuvent faire basculer un panneau hors de sa position<\/td><\/tr><tr><td>Grandes variations de temp\u00e9rature<\/td><td>2\u00d7<\/td><td>Les changements de viscosit\u00e9 du lubrifiant affectent le couple<\/td><\/tr><tr><td>S\u00e9curit\u00e9 critique (le panneau ne doit pas tomber)<\/td><td>2\u00d7 ou plus<\/td><td>Les cons\u00e9quences de la d\u00e9rive sont graves<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"common-mistakes-to-avoid\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Mistakes_to_Avoid\"><\/span><strong>Les erreurs les plus courantes \u00e0 \u00e9viter<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dimensionnement en fonction du poids, sans tenir compte de la distance.<\/strong> Le bras d'inertie est aussi important que le poids. Un panneau l\u00e9ger sur un bras long peut n\u00e9cessiter un couple plus important qu'un panneau lourd mont\u00e9 \u00e0 proximit\u00e9.<\/li>\n\n\n\n<li><strong>Oublier le facteur de s\u00e9curit\u00e9.<\/strong> Le dimensionnement au couple statique exact ne laisse aucune marge pour la perte de couple que chaque charni\u00e8re \u00e0 friction subit au cours de son cycle de vie.<\/li>\n\n\n\n<li><strong>Sans tenir compte de la masse ajout\u00e9e.<\/strong> Les c\u00e2bles, une r\u00e9vision plus lourde de l'affichage ou des accessoires ajout\u00e9s ult\u00e9rieurement augmentent la charge. La taille doit correspondre \u00e0 la configuration r\u00e9aliste la plus lourde.<\/li>\n\n\n\n<li><strong>Sur-sp\u00e9cification du couple.<\/strong> Un couple de serrage trop \u00e9lev\u00e9 rend le panneau rigide et difficile \u00e0 d\u00e9placer, et peut solliciter les points de fixation. Il faut viser la valeur calcul\u00e9e plus le facteur de s\u00e9curit\u00e9, et non le couple le plus \u00e9lev\u00e9 disponible.<\/li>\n\n\n\n<li><strong>En supposant qu'il y ait une seule charni\u00e8re.<\/strong> La plupart des panneaux utilisent deux charni\u00e8res ou plus. R\u00e9partissez la charge, mais veillez \u00e9galement \u00e0 ce que chaque charni\u00e8re puisse \u00e0 elle seule maintenir le panneau s'il est ouvert de mani\u00e8re irr\u00e9guli\u00e8re.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"when-to-use-multiple-hinges\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_to_Use_Multiple_Hinges\"><\/span><strong>Quand utiliser des charni\u00e8res multiples<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9partition de la charge sur plusieurs charni\u00e8res est une pratique courante pour les panneaux de plus de 1 \u00e0 2 kg environ, ou pour tout panneau plus large que haut. Deux charni\u00e8res partagent le couple de serrage et am\u00e9liorent la stabilit\u00e9 de l'alignement ; trois charni\u00e8res ou plus sont utilis\u00e9es pour les portes longues ou lourdes. Lorsque vous utilisez plusieurs charni\u00e8res, divisez le couple total requis par le nombre de charni\u00e8res pour obtenir la valeur nominale par charni\u00e8re - mais sp\u00e9cifiez chaque charni\u00e8re de mani\u00e8re \u00e0 ce qu'elle puisse maintenir le panneau en toute s\u00e9curit\u00e9, m\u00eame si la charge n'est pas parfaitement \u00e9quilibr\u00e9e entre elles.<\/p>\n\n\n\n<h2 id=\"frequently-asked-questions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><strong>Questions fr\u00e9quemment pos\u00e9es<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"a1-faq-1\"><strong class=\"schema-faq-question\">Que se passe-t-il si mon couple calcul\u00e9 se situe entre deux valeurs du catalogue ?<\/strong> <p class=\"schema-faq-answer\">Arrondissez \u00e0 la valeur de couple suivante, et non \u00e0 la valeur inf\u00e9rieure. Un couple l\u00e9g\u00e8rement sup\u00e9rieur signifie que le panneau tient solidement ; arrondir vers le bas risque de faire d\u00e9river la charni\u00e8re au cours de sa dur\u00e9e de vie, car le couple diminue naturellement. Si l'\u00e9cart est important, une charni\u00e8re \u00e0 couple r\u00e9glable vous permet d'ajuster la force de maintien exacte apr\u00e8s l'installation.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"a1-faq-2\"><strong class=\"schema-faq-question\">Puis-je sp\u00e9cifier un couple trop \u00e9lev\u00e9 ?<\/strong> <p class=\"schema-faq-answer\">Oui. Un couple de serrage excessif rend le panneau rigide et difficile \u00e0 d\u00e9placer, peut fatiguer l'utilisateur dans les applications \u00e0 usage intensif et exerce une pression suppl\u00e9mentaire sur les points de fixation et le panneau lui-m\u00eame. Visez le couple statique calcul\u00e9 multipli\u00e9 par le facteur de s\u00e9curit\u00e9 appropri\u00e9, plut\u00f4t que de choisir simplement le couple le plus \u00e9lev\u00e9 disponible.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"a1-faq-3\"><strong class=\"schema-faq-question\">Quelle est l'influence de la temp\u00e9rature sur le couple dont j'ai besoin ?<\/strong> <p class=\"schema-faq-answer\">La temp\u00e9rature ne modifie pas le couple de serrage exig\u00e9 par votre panneau, mais elle peut modifier le couple de serrage d'une charni\u00e8re, car la viscosit\u00e9 du lubrifiant varie en fonction de la temp\u00e9rature. Pour les applications inf\u00e9rieures \u00e0 -10\u00b0C ou sup\u00e9rieures \u00e0 70\u00b0C, sp\u00e9cifiez un lubrifiant adapt\u00e9 \u00e0 la temp\u00e9rature et appliquez un facteur de s\u00e9curit\u00e9 de 2\u00d7 pour tenir compte de cette variation.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"a1-faq-4\"><strong class=\"schema-faq-question\">Quelle est la diff\u00e9rence entre un couple statique et un couple dynamique ?<\/strong> <p class=\"schema-faq-answer\">Le couple statique est la force n\u00e9cessaire pour maintenir un panneau immobile \u00e0 un angle donn\u00e9 - c'est ce que produit le calcul effectu\u00e9 dans ce guide. Le couple dynamique est la force ressentie lors du d\u00e9placement du panneau. Pour la plupart des applications de maintien en position, le dimensionnement au couple de maintien statique avec un facteur de s\u00e9curit\u00e9 est la bonne approche.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"a1-faq-5\"><strong class=\"schema-faq-question\">Dois-je diviser le couple si j'utilise deux charni\u00e8res ?<\/strong> <p class=\"schema-faq-answer\">Oui. Deux charni\u00e8res se partagent la charge, chacune supportant donc environ la moiti\u00e9 du couple total requis. Toutefois, il convient de sp\u00e9cifier chaque charni\u00e8re de mani\u00e8re \u00e0 ce qu'elle puisse maintenir le panneau si la charge n'est pas parfaitement \u00e9quilibr\u00e9e - par exemple, si le panneau est ouvert d'un c\u00f4t\u00e9. La plupart des panneaux de plus de 1 \u00e0 2 kg utilisent au moins deux charni\u00e8res pour assurer leur stabilit\u00e9.<\/p> <\/div> <\/div>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Besoin d'aide pour choisir la charni\u00e8re \u00e0 couple appropri\u00e9 ?<\/strong><br>Envoyez-nous le poids de votre panneau, la distance de son centre de gravit\u00e9, l'angle d'ouverture et l'environnement d'exploitation, et notre \u00e9quipe d'ing\u00e9nieurs vous recommandera un mod\u00e8le adapt\u00e9 - ou d\u00e9veloppera une valeur de couple personnalis\u00e9e de 0,1 \u00e0 25 N-m. Consultez notre catalogue de charni\u00e8res \u00e0 couple ou <a href=\"https:\/\/manufactorhinge.com\/fr\/nous-contacter\/\">contacter nos ing\u00e9nieurs<\/a>. \u00c9chantillons sous 10 jours ouvrables, MOQ \u00e0 partir de 1 000 unit\u00e9s.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Specifying a torque hinge starts with one number: the holding torque your application needs. Get it right, and the panel stays exactly where the user leaves it for the life of the product. Get it wrong, and the panel either drifts shut under its own weight or feels stiff and awkward to move. This guide [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-3793","post","type-post","status-publish","format-standard","hentry","category-blog"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Calculate Torque Hinge Requirements | Formula + Examples - Torque &amp; Industrial Hinge Manufacturer<\/title>\n<meta name=\"description\" content=\"Calculate torque hinge requirements in 5 steps with formula, worked examples, safety factors, and an engineer selection checklist.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Calculate Torque Hinge Requirements | Formula + Examples - Torque &amp; Industrial Hinge Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Calculate torque hinge requirements in 5 steps with formula, worked examples, safety factors, and an engineer selection checklist.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/manufactorhinge.com\/fr\/comment-calculer-le-couple-des-exigences-de-la-charniere-formule-exemples\/\" \/>\n<meta property=\"og:site_name\" content=\"Torque &amp; Industrial Hinge Manufacturer\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-22T09:23:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-22T09:23:40+00:00\" \/>\n<meta name=\"author\" content=\"wpdev\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"wpdev\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/\"},\"author\":{\"name\":\"wpdev\",\"@id\":\"https:\/\/manufactorhinge.com\/#\/schema\/person\/695e6c779112dee6d57ee26d872f68c8\"},\"headline\":\"How to Calculate Torque Hinge Requirements | Formula + Examples\",\"datePublished\":\"2026-05-22T09:23:38+00:00\",\"dateModified\":\"2026-05-22T09:23:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/\"},\"wordCount\":1615,\"publisher\":{\"@id\":\"https:\/\/manufactorhinge.com\/#organization\"},\"articleSection\":[\"Blog\"],\"inLanguage\":\"fr-FR\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/\",\"url\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/\",\"name\":\"How to Calculate Torque Hinge Requirements | Formula + Examples - Torque &amp; 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A slightly higher torque means the panel holds securely; rounding down risks drift over the hinge's life as torque naturally decreases. If the gap is large, an adjustable torque hinge lets you tune the exact holding force after installation.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-2\",\"position\":2,\"url\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-2\",\"name\":\"Can I specify too much torque?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Excessive holding torque makes the panel stiff and difficult to move, can cause user fatigue in high-use applications, and places extra stress on the mounting points and the panel itself. Aim for your calculated static torque multiplied by the appropriate safety factor, rather than simply choosing the highest torque available.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-3\",\"position\":3,\"url\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-3\",\"name\":\"How does temperature affect the torque I need?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Temperature does not change the torque your panel demands, but it can change the torque a hinge delivers, because lubricant viscosity shifts with temperature. For applications below -10\u00b0C or above 70\u00b0C, specify a temperature-rated lubricant and apply a 2\u00d7 safety factor to allow for this variation.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-4\",\"position\":4,\"url\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-4\",\"name\":\"What is the difference between static and dynamic torque?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Static torque is the force needed to hold a panel stationary at an angle \u2014 this is what the calculation in this guide produces. Dynamic torque is the force felt while moving the panel. For most position-holding applications, sizing to the static holding torque with a safety factor is the correct approach.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-5\",\"position\":5,\"url\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-5\",\"name\":\"Do I divide the torque if I use two hinges?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Two hinges share the load, so each carries roughly half the total required torque. However, specify each hinge so it can still hold the panel if the load is not perfectly balanced \u2014 for example, if the panel is opened from one side. Most panels above 1\u20132 kg use at least two hinges for stability.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Comment calculer le couple requis pour les charni\u00e8res - Formule + exemples - Fabricant de charni\u00e8res industrielles et de couple","description":"Calculer les besoins en charni\u00e8res dynamom\u00e9triques en 5 \u00e9tapes avec des formules, des exemples concrets, des facteurs de s\u00e9curit\u00e9 et une liste de contr\u00f4le pour la s\u00e9lection des ing\u00e9nieurs.","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"fr_FR","og_type":"article","og_title":"How to Calculate Torque Hinge Requirements | Formula + Examples - Torque &amp; Industrial Hinge Manufacturer","og_description":"Calculate torque hinge requirements in 5 steps with formula, worked examples, safety factors, and an engineer selection checklist.","og_url":"https:\/\/manufactorhinge.com\/fr\/comment-calculer-le-couple-des-exigences-de-la-charniere-formule-exemples\/","og_site_name":"Torque &amp; 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A slightly higher torque means the panel holds securely; rounding down risks drift over the hinge's life as torque naturally decreases. If the gap is large, an adjustable torque hinge lets you tune the exact holding force after installation.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-2","position":2,"url":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-2","name":"Puis-je sp\u00e9cifier un couple trop \u00e9lev\u00e9 ?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Excessive holding torque makes the panel stiff and difficult to move, can cause user fatigue in high-use applications, and places extra stress on the mounting points and the panel itself. Aim for your calculated static torque multiplied by the appropriate safety factor, rather than simply choosing the highest torque available.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-3","position":3,"url":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-3","name":"Quelle est l'influence de la temp\u00e9rature sur le couple dont j'ai besoin ?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Temperature does not change the torque your panel demands, but it can change the torque a hinge delivers, because lubricant viscosity shifts with temperature. For applications below -10\u00b0C or above 70\u00b0C, specify a temperature-rated lubricant and apply a 2\u00d7 safety factor to allow for this variation.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-4","position":4,"url":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-4","name":"Quelle est la diff\u00e9rence entre un couple statique et un couple dynamique ?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Static torque is the force needed to hold a panel stationary at an angle \u2014 this is what the calculation in this guide produces. Dynamic torque is the force felt while moving the panel. For most position-holding applications, sizing to the static holding torque with a safety factor is the correct approach.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-5","position":5,"url":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-5","name":"Dois-je diviser le couple si j'utilise deux charni\u00e8res ?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Two hinges share the load, so each carries roughly half the total required torque. However, specify each hinge so it can still hold the panel if the load is not perfectly balanced \u2014 for example, if the panel is opened from one side. Most panels above 1\u20132 kg use at least two hinges for stability.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"}]}},"acf":[],"_links":{"self":[{"href":"https:\/\/manufactorhinge.com\/fr\/wp-json\/wp\/v2\/posts\/3793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/manufactorhinge.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/manufactorhinge.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/manufactorhinge.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/manufactorhinge.com\/fr\/wp-json\/wp\/v2\/comments?post=3793"}],"version-history":[{"count":2,"href":"https:\/\/manufactorhinge.com\/fr\/wp-json\/wp\/v2\/posts\/3793\/revisions"}],"predecessor-version":[{"id":3800,"href":"https:\/\/manufactorhinge.com\/fr\/wp-json\/wp\/v2\/posts\/3793\/revisions\/3800"}],"wp:attachment":[{"href":"https:\/\/manufactorhinge.com\/fr\/wp-json\/wp\/v2\/media?parent=3793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/manufactorhinge.com\/fr\/wp-json\/wp\/v2\/categories?post=3793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/manufactorhinge.com\/fr\/wp-json\/wp\/v2\/tags?post=3793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}