{"id":5759,"date":"2024-02-28T22:28:28","date_gmt":"2024-02-28T20:28:28","guid":{"rendered":"https:\/\/info.formfedern.com\/calcul-du-ressort-a-lames\/"},"modified":"2024-05-06T12:55:57","modified_gmt":"2024-05-06T10:55:57","slug":"calcul-du-ressort-a-lames","status":"publish","type":"post","link":"https:\/\/info.formfedern.com\/fr\/calcul-du-ressort-a-lames\/","title":{"rendered":"Calcul du ressort \u00e0 lames"},"content":{"rendered":"<p><a href=\"https:\/\/info.formfedern.com\/wp-content\/uploads\/\/Blattfedern_Berechnung-250x300.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1529 alignright\" src=\"https:\/\/info.formfedern.com\/wp-content\/uploads\/\/Blattfedern_Berechnung-250x300.jpg\" alt=\"Blattfedern Berechnung\" width=\"300\" height=\"360\" data-wp-pid=\"1529\" srcset=\"https:\/\/info.formfedern.com\/wp-content\/uploads\/Blattfedern_Berechnung-250x300.jpg 250w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Blattfedern_Berechnung-768x922.jpg 768w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Blattfedern_Berechnung-600x720.jpg 600w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Blattfedern_Berechnung-167x200.jpg 167w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Blattfedern_Berechnung.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Avec le ressort \u00e0 lame ou le ressort plat serr\u00e9 d&rsquo;un c\u00f4t\u00e9, la contrainte de flexion maximale, la force du ressort, la fl\u00e8che du ressort (fl\u00e8che), l&rsquo;\u00e9paisseur de la lame du ressort et la raideur du ressort peuvent \u00eatre calcul\u00e9s comme suit. La contrainte de flexion augmente lin\u00e9airement avec le ressort \u00e0 lame ou le ressort plat serr\u00e9 d&rsquo;un c\u00f4t\u00e9 avec une augmentation de la force au point d&rsquo;application de la force. Avec le ressort \u00e0 lame rectangulaire (variante a) la contrainte de flexion la plus \u00e9lev\u00e9e uniquement au point de serrage. Ainsi, le ressort \u00e0 lame rectangulaire ne d\u00e9veloppe pleinement son avantage qu&rsquo;au point de serrage. En revanche, le ressort \u00e0 lame trap\u00e9zo\u00efdale (variante b) une contrainte de flexion plus uniforme en section transversale. En cons\u00e9quence, le travail du ressort du ressort \u00e0 lame trap\u00e9zo\u00efdale est jusqu&rsquo;\u00e0 trois fois meilleur que celui du ressort \u00e0 lame rectangulaire, en fonction de la taille du trap\u00e8ze. Une forme triangulaire serait id\u00e9ale, mais en raison de sa conception, elle peut rarement \u00eatre utilis\u00e9e.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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 of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/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:\/\/info.formfedern.com\/fr\/calcul-du-ressort-a-lames\/#Formules\" >Formules:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/info.formfedern.com\/fr\/calcul-du-ressort-a-lames\/#Contrainte_de_flexion_maximale\" >Contrainte de flexion maximale<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/info.formfedern.com\/fr\/calcul-du-ressort-a-lames\/#Force_maximale_du_ressort\" >Force maximale du ressort<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/info.formfedern.com\/fr\/calcul-du-ressort-a-lames\/#Course_du_ressort_deflexion\" >Course du ressort (d\u00e9flexion)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/info.formfedern.com\/fr\/calcul-du-ressort-a-lames\/#Deformation_maximale_du_ressort_deflexion\" >D\u00e9formation maximale du ressort (d\u00e9flexion)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/info.formfedern.com\/fr\/calcul-du-ressort-a-lames\/#Epaisseur_maximale_des_lames_de_ressort\" >\u00c9paisseur maximale des lames de ressort<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/info.formfedern.com\/fr\/calcul-du-ressort-a-lames\/#Federrate\" >Federrate<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Formules\"><\/span><span style=\"text-decoration: underline;\">Formules:<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Contrainte_de_flexion_maximale\"><\/span>Contrainte de flexion maximale<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"padding-left: 30px;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large \\sigma_{{b}} = \\frac{M}{W} = \\frac{6 \\cdot F \\cdot L}{b \\cdot h^{2}} \\leq \\sigma_{{b zul}}<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Force_maximale_du_ressort\"><\/span>Force maximale du ressort<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"padding-left: 30px;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large F_{{max}} = \\frac{b\\cdot h^{2} \\cdot \\sigma_{{b zul}}}{6 \\cdot L}<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Course_du_ressort_deflexion\"><\/span>Course du ressort (d\u00e9flexion)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"padding-left: 30px;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large s = q_{1} \\cdot \\frac{L^{3}}{b \\cdot h^{3}} \\cdot \\frac{F}{E} <\/span><\/p>\n<p style=\"padding-left: 30px;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large q_{1}<\/span> pour ressort \u00e0 lame rectangulaire (variante a) <span class=\"katex-eq\" data-katex-display=\"false\">\\Large q_{1} <\/span> = 4<\/p>\n<p style=\"padding-left: 30px;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large q_{1} <\/span> pour le ressort \u00e0 lames trap\u00e9zo\u00efdal (variante b) <span class=\"katex-eq\" data-katex-display=\"false\">\\Large q_{{1}} \\approx 4 \\cdot \\left [ 3\/ \\left ( 2+b2\/b \\right )\\right ]<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Deformation_maximale_du_ressort_deflexion\"><\/span>D\u00e9formation maximale du ressort (d\u00e9flexion)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"padding-left: 30px;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large s \\leq q_{{2}} \\cdot \\frac{L^{2}}{h} \\cdot \\frac{\\sigma_{{b zul}}}{E} <\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Epaisseur_maximale_des_lames_de_ressort\"><\/span>\u00c9paisseur maximale des lames de ressort<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"padding-left: 30px;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large h \\leq q_{{2}} \\cdot \\frac{L^{2}}{s} \\cdot \\frac{\\sigma_{{b zul}}}{E} <\/span><\/p>\n<p style=\"padding-left: 30px;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large q_{2} <\/span> pour ressort \u00e0 lame rectangulaire (variante a) <span class=\"katex-eq\" data-katex-display=\"false\">\\Large q_{2} <\/span> = 2\/3<\/p>\n<p style=\"padding-left: 30px;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large q_{2} <\/span> pour le ressort \u00e0 lames trap\u00e9zo\u00efdal (variante b) <span class=\"katex-eq\" data-katex-display=\"false\">\\Large q_{{2}} \\approx \\left ( 2\/3 \\right ) \\cdot \\left [ 3\/ \\left ( 2+b2\/b \\right )\\right ]<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Federrate\"><\/span>Federrate<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"padding-left: 30px;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large C = \\frac{F}{s} = \\frac{Ebh^{3}}{4L^{3}}<\/span><\/p>\n<p>b = largeur du ressort \u00e0 lame (mm)<\/p>\n<p>b2 = largeur plus petite du ressort \u00e0 lame trap\u00e9zo\u00efdale (mm)<\/p>\n<p>E = module d&rsquo;\u00e9lasticit\u00e9<\/p>\n<p>F = force du ressort (N)<\/p>\n<p>h = \u00e9paisseur du mat\u00e9riau plaque de ressort \/ lame de ressort (mm)<\/p>\n<p>L = longueur du ressort \u00e0 lame (mm)<\/p>\n<p>s = course du ressort (mm)<\/p>\n<p>&nbsp;<\/p>\n<p>Gutekunst Formfedern d\u00e9veloppe et fabrique des produits individuels<a href=\"https:\/\/info.formfedern.com\/formfedern-flachfedern-blattfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Ressorts \u00e0 lames<\/a> ,<a href=\"https:\/\/info.formfedern.com\/flachfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Ressorts plats<\/a> et<a href=\"https:\/\/info.formfedern.com\/formfedern-flachfedern-blattfedern\/\"> Ressorts de forme<\/a> comme \u00e9chantillons, prototypes, en<a href=\"https:\/\/info.formfedern.com\/stanzteile-kleinserien\/\"> Petites quantit\u00e9s<\/a> et grandes s\u00e9ries. Si vous \u00eates int\u00e9ress\u00e9, envoyez-nous simplement sous ce qui suit<a href=\"https:\/\/info.formfedern.com\/formfedern-anfrage\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Bouton d&rsquo;enqu\u00eate<\/a> ou par e-mail<a href=\"mailto:info@gutekunst-formfedern.de\"> info@gutekunst-formfedern.de<\/a> les donn\u00e9es du ressort fa\u00e7onn\u00e9 souhait\u00e9 avec des d\u00e9tails sur le nombre de pi\u00e8ces et le dessin ou les donn\u00e9es CAO. Nous vous ferons une offre sans engagement dans un bref d\u00e9lai.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: left;\"><a class=\"maxbutton-10 maxbutton maxbutton-spring-request-fr\" target=\"_blank\" rel=\"noopener\" href=\"\/fr\/demande-de-ressorts\/\"><span class='mb-text'>Demande<\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><em>Pour plus d&rsquo;informations, consultez:<\/em><\/p>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/formfedern-flachfedern-blattfedern\/\">Forme des ressorts, des ressorts plats et des ressorts \u00e0 lames<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/federbandstahl-ab-lager\/\">T\u00f4les d&rsquo;acier \u00e0 ressort et t\u00f4les d&rsquo;acier \u00e0 ressort en stock<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/federarten\/\">Aper\u00e7u des types de ressorts<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/federclips\/\">Clips \u00e0 ressort pour chaque application<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/federstahlklammer\/\">Clips \u00e0 ressort en acier galvanis\u00e9 et en acier inoxydable<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/laserteile-bestellen\/\">Commandez des pi\u00e8ces laser rapidement et facilement<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Avec le ressort \u00e0 lame ou le ressort plat serr\u00e9 d&rsquo;un c\u00f4t\u00e9, la contrainte de flexion maximale, la force du ressort, la fl\u00e8che du ressort (fl\u00e8che), l&rsquo;\u00e9paisseur de la lame du ressort et la raideur du ressort peuvent \u00eatre calcul\u00e9s<\/p>\n","protected":false},"author":6,"featured_media":5760,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[718,728,725,727,726,729],"tags":[1310,1308,1306,1305,1312,1313,1307,1311,1309],"class_list":["post-5759","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-connaissance","category-ressorts-a-bande","category-ressorts-a-lames","category-ressorts-en-forme","category-ressorts-plats","category-rondelles-elastiques","tag-berechnen-fr","tag-biegespannung-fr","tag-blattfeder-fr","tag-blattfeder-berechnung-fr","tag-federblattstaerke-fr","tag-federrate-fr","tag-flachfeder-fr","tag-force-du-ressort","tag-formeln-fr"],"_links":{"self":[{"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/posts\/5759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/comments?post=5759"}],"version-history":[{"count":13,"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/posts\/5759\/revisions"}],"predecessor-version":[{"id":10896,"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/posts\/5759\/revisions\/10896"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/media\/5760"}],"wp:attachment":[{"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/media?parent=5759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/categories?post=5759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/info.formfedern.com\/fr\/wp-json\/wp\/v2\/tags?post=5759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}