{"id":2374,"date":"2026-02-07T09:44:00","date_gmt":"2026-02-07T01:44:00","guid":{"rendered":"https:\/\/www.takebrakes.com\/?p=2374"},"modified":"2026-02-05T14:43:13","modified_gmt":"2026-02-05T06:43:13","slug":"why-does-a-dc-electromagnetic-brake-have-weak-holding-or-weak-pull-in-on-a-crane","status":"publish","type":"post","link":"https:\/\/www.takebrakes.com\/es\/why-does-a-dc-electromagnetic-brake-have-weak-holding-or-weak-pull-in-on-a-crane\/","title":{"rendered":"\u00bfPor qu\u00e9 un freno electromagn\u00e9tico de corriente continua tiene una sujeci\u00f3n d\u00e9bil o un \u201ctir\u00f3n d\u00e9bil\u201d en una gr\u00faa?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A DC electromagnetic brake that pulls in weakly usually points to an electrical supply or air-gap issue. On overhead crane and gantry crane motor brakes, the most common causes are <strong>undervoltage<\/strong>, incorrect rectifier selection, excessive voltage drop due to long cables, loose terminals, or an incorrect coil rating (110V vs 220V). A failing power supply box\/rectifier can also create high ripple DC, causing buzzing and reduced magnetic force.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los factores mec\u00e1nicos pueden amplificar la debilidad el\u00e9ctrica. Si el juego del aire es demasiado grande debido a desgaste o desajuste, la bobina puede no desarrollar la fuerza suficiente para liberar o atraer completamente el im\u00e1n. La suciedad, la corrosi\u00f3n o las superficies del armadura deformadas tambi\u00e9n pueden evitar un contacto total. La soluci\u00f3n es medir la tensi\u00f3n de la bobina en las terminales del freno bajo carga, confirmar las especificaciones del rectificador, comprobar la resistencia de la bobina y restablecer el juego del aire a los l\u00edmites del OEM. Una alimentaci\u00f3n el\u00e9ctrica confiable es esencial para un desenganche consistente del freno y una operaci\u00f3n segura.<\/p>","protected":false},"excerpt":{"rendered":"<p>A DC electromagnetic brake that pulls in weakly usually points to an electrical supply or air-gap issue. On overhead crane and gantry crane motor brakes, the most common causes are undervoltage, incorrect rectifier selection, excessive voltage drop due to long cables, loose terminals, or an incorrect coil rating (110V vs 220V). A failing power supply [&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-2374","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\/2374","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=2374"}],"version-history":[{"count":1,"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/posts\/2374\/revisions"}],"predecessor-version":[{"id":2391,"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/posts\/2374\/revisions\/2391"}],"wp:attachment":[{"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/media?parent=2374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/categories?post=2374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.takebrakes.com\/es\/wp-json\/wp\/v2\/tags?post=2374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}