{"id":2422,"date":"2026-02-09T08:05:00","date_gmt":"2026-02-09T00:05:00","guid":{"rendered":"https:\/\/www.takebrakes.com\/?p=2422"},"modified":"2026-02-09T08:05:00","modified_gmt":"2026-02-09T00:05:00","slug":"if-the-hoist-brake-applies-but-the-load-still-creeps-downward-how-do-i-diagnose-the-cause","status":"publish","type":"post","link":"https:\/\/www.takebrakes.com\/fr\/if-the-hoist-brake-applies-but-the-load-still-creeps-downward-how-do-i-diagnose-the-cause\/","title":{"rendered":"Si le frein de la grue s'applique mais que la charge continue de glisser vers le bas, comment diagnostiquer la cause ?"},"content":{"rendered":"<p class=\"translation-block\">Une glissade de la charge apr\u00e8s l'application du frein indique que le couple de maintien n'est pas enti\u00e8rement transf\u00e9r\u00e9 \u00e0 la charge. Commencez par v\u00e9rifier si le <strong>frein lui-m\u00eame est glissant<\/strong> : v\u00e9rifiez l'\u00e9tat du lining (us\u00e9, vitrifi\u00e9, contamin\u00e9), la force du ressort (freins de s\u00e9curit\u00e9), l'\u00e9cart d'air\/jeu, et l'\u00e9tat de la surface de friction (\u00e9gratignures du disque\/roue de frein, dommages thermiques). Un test de maintien statique contr\u00f4l\u00e9 \u00e0 la charge nominale est souvent la confirmation la plus rapide.<\/p> <p class=\"translation-block\">Ensuite, \u00e9liminez <strong>le glissement de la transmission<\/strong> qui peut imiter un glissement du frein : glissement de l'accouplement, dommage \u00e0 la clavette, moyeux desserr\u00e9s, probl\u00e8mes internes de la bo\u00eete de vitesses, ou un probl\u00e8me d'ancrage du tambour\/corde. Si le frein bloque l'arbre mais que la charge se d\u00e9place toujours, la panne peut \u00eatre en aval (tambour, corde, renvoi).<\/p> <p>V\u00e9rifiez \u00e9galement le timing de contr\u00f4le dans les grues \u00e0 variateur de fr\u00e9quence : si la mise en place du frein se produit avant que le couple ne soit stabilis\u00e9, un l\u00e9ger glissement peut se produire. L'action corrective doit traiter la cause profonde \u2014 ne jamais \u00ab serrer jusqu'\u00e0 ce que \u00e7a tienne \u00bb sans v\u00e9rifier les limites de conception et les facteurs de s\u00e9curit\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"<p>Load creep after brake application indicates that holding torque is not being fully transferred to the load. Start by confirming whether the brake itself is slipping: check lining condition (worn, glazed, contaminated), spring force (fail-safe brakes), air gap\/clearance, and friction surface condition (disc\/brake wheel scoring, heat damage). A controlled static holding test at rated load [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[132,3],"tags":[133],"class_list":["post-2422","post","type-post","status-publish","format-standard","hentry","category-faq","category-blog","tag-overhead-or-gantry-crane"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts\/2422","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/comments?post=2422"}],"version-history":[{"count":1,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts\/2422\/revisions"}],"predecessor-version":[{"id":2443,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts\/2422\/revisions\/2443"}],"wp:attachment":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/media?parent=2422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/categories?post=2422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/tags?post=2422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}