{"id":2370,"date":"2026-02-06T14:48:00","date_gmt":"2026-02-06T06:48:00","guid":{"rendered":"https:\/\/www.takebrakes.com\/?p=2370"},"modified":"2026-02-05T14:43:14","modified_gmt":"2026-02-05T06:43:14","slug":"what-are-symptoms-of-a-brake-not-fully-releasing-dragging-on-cranes","status":"publish","type":"post","link":"https:\/\/www.takebrakes.com\/es\/what-are-symptoms-of-a-brake-not-fully-releasing-dragging-on-cranes\/","title":{"rendered":"\u00bfCu\u00e1les son los s\u00edntomas de un freno que no se libera completamente (arrastrando) en gr\u00faas?"},"content":{"rendered":"<p>Un freno que arrastra genera fricci\u00f3n continua durante el movimiento, causando calor y desgaste r\u00e1pido. Los s\u00edntomas t\u00edpicos incluyen carcasas de freno o ruedas\/discos de freno inusualmente calientes, olor a quemado, velocidad de desplazamiento reducida, mayor corriente del motor, alarmas frecuentes de sobrecorriente del VFD y desgaste acelerado de las lining. Tambi\u00e9n puede escuchar ruido de roce o sentir una suavidad reducida durante el desplazamiento del carro o puente. En polipastos, el arrastre puede causar un rendimiento de elevaci\u00f3n deficiente y contribuir a la p\u00e9rdida de eficacia del freno durante una parada de emergencia.<\/p>    <p>Las causas ra\u00edz comunes incluyen una separaci\u00f3n\/holgura de aire incorrecta, fuerza de liberaci\u00f3n insuficiente (bajo voltaje, presi\u00f3n hidr\u00e1ulica d\u00e9bil, problemas en el suministro de aire), pasadores\/bujes atascados, desalineaci\u00f3n o interferencia mec\u00e1nica. En sistemas electrohidr\u00e1ulicos, problemas en el recorrido del thruster o fugas pueden impedir una liberaci\u00f3n completa.<\/p>    <p>Las reparaciones comienzan con bloqueo y medici\u00f3n: confirmar las holguras correctas, verificar la presi\u00f3n\/voltaje de liberaci\u00f3n, comprobar el recorrido del thruster e inspeccionar las juntas mec\u00e1nicas por corrosi\u00f3n o atascamiento. El arrastre es un problema de seguridad porque puede provocar sobrecalentamiento y torque impredecible\u2014ab\u00f3rdelo r\u00e1pidamente.<\/p>","protected":false},"excerpt":{"rendered":"<p>A dragging brake creates continuous friction during motion, causing heat and rapid wear. Typical symptoms include unusually hot brake housings or brake wheels\/discs, burning smell, reduced travel speed, higher motor current, frequent VFD overcurrent alarms, and accelerated lining wear. You may also hear rubbing noise or feel reduced smoothness during trolley or bridge travel. On [&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-2370","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\/es\/wp-json\/wp\/v2\/posts\/2370","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/comments?post=2370"}],"version-history":[{"count":1,"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/posts\/2370\/revisions"}],"predecessor-version":[{"id":2395,"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/posts\/2370\/revisions\/2395"}],"wp:attachment":[{"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/media?parent=2370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/categories?post=2370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/tags?post=2370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}