{"id":92586,"date":"2026-03-16T15:34:04","date_gmt":"2026-03-16T13:34:04","guid":{"rendered":"https:\/\/unm.fr\/?p=92586"},"modified":"2026-03-16T15:34:08","modified_gmt":"2026-03-16T13:34:08","slug":"transmissions-mecaniques-nouvelles-editions-de-deux-normes-francaises-phares-sur-les-assemblages-frettes","status":"publish","type":"post","link":"https:\/\/unm.fr\/en\/focus-norme\/transmissions-mecaniques-nouvelles-editions-de-deux-normes-francaises-phares-sur-les-assemblages-frettes\/","title":{"rendered":"Transmissions m\u00e9caniques\u00a0: nouvelles \u00e9ditions de deux normes fran\u00e7aises phares sur les assemblages frett\u00e9s"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"92586\" class=\"elementor elementor-92586\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d31860b e-flex e-con-boxed e-con e-parent\" data-id=\"d31860b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fa9df47 elementor-widget elementor-widget-text-editor\" data-id=\"fa9df47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Inscrites en r\u00e9vision en 2022, ces deux normes volontaires dont les \u00e9ditions pr\u00e9c\u00e9dentes dataient de 2022 pour la NF E 22-621 et de 1988 pour la NF E 22-622 ont \u00e9t\u00e9 r\u00e9vis\u00e9es simultan\u00e9ment par les experts de la commission UNM 05 <em>Transmissions m\u00e9caniques<\/em> afin de refl\u00e9ter l&#8217;\u00e9tat de l&#8217;art.<\/p><p>La NF E 22-621 sp\u00e9cifie le dimensionnement des assemblages frett\u00e9s tournants, les principales r\u00e8gles de r\u00e9alisation et une m\u00e9thode de calcul simplifi\u00e9e, s\u2019appliquant aux dispositions les plus couramment rencontr\u00e9es dans le domaine des organes de transmissions.<\/p><p>La NF E 22-622 d\u00e9finit les principes de r\u00e9alisation et une m\u00e9thode de calcul simplifi\u00e9e, s&#8217;appliquant aux dispositions les plus courantes dans le domaine des assemblages frett\u00e9s coniques soumis \u00e0 la torsion.<\/p><p>Apr\u00e8s les travaux de r\u00e9vision effectu\u00e9s par les experts de la commission avec le soutien d&#8217;ARTEMA et du Cetim, ces normes ont \u00e9t\u00e9 soumises \u00e0 enqu\u00eates publiques en 2024, puis finalis\u00e9es en 2025.<\/p><p>Les travaux de r\u00e9vision de ces normes ont port\u00e9 sur l&#8217;harmonisation des symboles et la correction de certaines formules, et sp\u00e9cifiquement pour la NF E 22-622 l&#8217;ajout des annexes A \u00e0 F, sur les mod\u00e8les de celles de la NF E 22-621.<\/p><p>Dans la lign\u00e9e de ces publications, la commission UNM 05 pr\u00e9voit de r\u00e9viser la norme NF E 22-625 <em>Transmissions m\u00e9caniques &#8211; Assemblages frett\u00e9s sur port\u00e9e cylindrique avec douille interm\u00e9diaire \u00e0 surface ext\u00e9rieure conique \u2013 Calcul<\/em>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Inscrites en r\u00e9vision en 2022, ces deux normes volontaires dont les \u00e9ditions pr\u00e9c\u00e9dentes dataient de 2022 pour la NF E 22-621 et de 1988 pour la NF E 22-622 ont \u00e9t\u00e9 r\u00e9vis\u00e9es simultan\u00e9ment par les experts de la commission UNM 05 Transmissions m\u00e9caniques afin de refl\u00e9ter l&#8217;\u00e9tat de l&#8217;art.<\/p>\n","protected":false},"author":8,"featured_media":92529,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"date-de-webinaire":0,"heure-webinaire":"","duree-webinaire":"","lien-bouton-cta":"","footnotes":""},"categories":[38],"tags":[],"normes-associees":[3673,3674],"thematique":[86],"class_list":["post-92586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-focus-norme","normes-associees-nf-e-22-621","normes-associees-nf-e-22-622","thematique-composants-et-pieces-mecaniques"],"_links":{"self":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/92586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/comments?post=92586"}],"version-history":[{"count":4,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/92586\/revisions"}],"predecessor-version":[{"id":92590,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/92586\/revisions\/92590"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/media\/92529"}],"wp:attachment":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/media?parent=92586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/categories?post=92586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/tags?post=92586"},{"taxonomy":"normes-associees","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/normes-associees?post=92586"},{"taxonomy":"thematique","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/thematique?post=92586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}