{"id":2419,"date":"2026-02-08T18:29:00","date_gmt":"2026-02-08T10:29:00","guid":{"rendered":"https:\/\/www.takebrakes.com\/?p=2419"},"modified":"2026-02-08T18:29:00","modified_gmt":"2026-02-08T10:29:00","slug":"normally-open-vs-normally-closed-brakes-whats-typical-for-overhead-cranes","status":"publish","type":"post","link":"https:\/\/www.takebrakes.com\/fr\/normally-open-vs-normally-closed-brakes-whats-typical-for-overhead-cranes\/","title":{"rendered":"Freins normalement ouverts vs normalement ferm\u00e9s \u2014 quelle est la configuration typique pour les grues suspendues ?"},"content":{"rendered":"<p>For overhead and gantry cranes, <strong>normally closed<\/strong> brakes are most common on safety-critical mechanisms, especially hoisting. \u201cNormally closed\u201d means the brake is applied when power is off, which aligns with fail-safe behavior: if power fails, the brake engages automatically to hold the load. These are typically spring-applied, power-released designs (electro-hydraulic, hydraulic, pneumatic, or electromagnetic release).<\/p>\n<p>Les freins normalement ouverts\u2014d\u00e9sengag\u00e9s lorsque d\u00e9nu\u00e9s de courant et n\u00e9cessitant de l'\u00e9nergie pour \u00eatre appliqu\u00e9s\u2014sont moins courants dans les fonctions de s\u00e9curit\u00e9 des grues car une perte de courant pourrait entra\u00eener une perte de freinage. Ils peuvent appara\u00eetre dans des \u00e9quipements de processus sp\u00e9cialis\u00e9s o\u00f9 un arr\u00eat involontaire est ind\u00e9sirable, mais ils n\u00e9cessitent une \u00e9valuation rigoureuse des risques.<\/p>\n<p>En pratique, lorsque les gens parlent de \u00ab frein de grue normalement ferm\u00e9 \u00bb, ils veulent g\u00e9n\u00e9ralement dire \u00ab frein de levage de s\u00e9curit\u00e9 \u00bb. V\u00e9rifiez toujours le principe m\u00e9canique (\u00e0 ressort appliqu\u00e9) plut\u00f4t que de vous fier \u00e0 l\u2019\u00e9tiquette. Pour les propri\u00e9taires de grues, le freinage de s\u00e9curit\u00e9 normalement ferm\u00e9 est la norme attendue pour une tenue s\u00fbre et une r\u00e9ponse d\u2019urgence.<\/p>","protected":false},"excerpt":{"rendered":"<p>For overhead and gantry cranes, normally closed brakes are most common on safety-critical mechanisms, especially hoisting. \u201cNormally closed\u201d means the brake is applied when power is off, which aligns with fail-safe behavior: if power fails, the brake engages automatically to hold the load. These are typically spring-applied, power-released designs (electro-hydraulic, hydraulic, pneumatic, or electromagnetic release). [&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-2419","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\/2419","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=2419"}],"version-history":[{"count":1,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts\/2419\/revisions"}],"predecessor-version":[{"id":2440,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts\/2419\/revisions\/2440"}],"wp:attachment":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/media?parent=2419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/categories?post=2419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/tags?post=2419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}