{"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\/ar\/why-does-a-dc-electromagnetic-brake-have-weak-holding-or-weak-pull-in-on-a-crane\/","title":{"rendered":"\u0644\u0645\u0627\u0630\u0627 \u064a\u062a\u0645\u064a\u0632 \u0641\u0631\u0627\u0645\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 \u0628\u0636\u0639\u0641 \u0627\u0644\u062b\u0628\u0627\u062a \u0623\u0648 \"\u0627\u0644\u0633\u062d\u0628 \u0627\u0644\u0636\u0639\u064a\u0641\" \u0639\u0644\u0649 \u0627\u0644\u0631\u0627\u0641\u0639\u0629\u061f"},"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\">\u064a\u0645\u0643\u0646 \u0644\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0623\u0646 \u062a\u0639\u0632\u0632 \u0627\u0644\u0636\u0639\u0641 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a. \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0641\u062c\u0648\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0643\u0628\u064a\u0631\u0629 \u062c\u062f\u064b\u0627 \u0628\u0633\u0628\u0628 \u0627\u0644\u062a\u0622\u0643\u0644 \u0623\u0648 \u0633\u0648\u0621 \u0627\u0644\u062a\u0639\u062f\u064a\u0644\u060c \u0642\u062f \u0644\u0627 \u064a\u0637\u0648\u0631 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0643\u0627\u0641\u064a\u0629 \u0644\u0625\u0637\u0644\u0627\u0642 \u0643\u0627\u0645\u0644 \u0623\u0648 \u062c\u0630\u0628 \u0627\u0644\u0630\u0631\u0627\u0639 \u0628\u0627\u0644\u0643\u0627\u0645\u0644. \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0645\u0646\u0639 \u0627\u0644\u0623\u0648\u0633\u0627\u062e\u060c \u0627\u0644\u062a\u0622\u0643\u0644\u060c \u0623\u0648 \u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u0645\u0634\u0648\u0647\u0629 \u0644\u0644\u0630\u0631\u0627\u0639 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u0623\u064a\u0636\u064b\u0627. \u0627\u0644\u062d\u0644 \u0647\u0648 \u0642\u064a\u0627\u0633 \u062c\u0647\u062f \u0627\u0644\u0645\u0644\u0641 \u0639\u0646\u062f \u0623\u0637\u0631\u0627\u0641 \u0627\u0644\u0641\u0631\u0627\u0645\u0644 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0644\u060c \u062a\u0623\u0643\u064a\u062f \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0642\u0648\u0645\u060c \u0641\u062d\u0635 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0645\u0644\u0641\u060c \u0648\u0625\u0639\u0627\u062f\u0629 \u0636\u0628\u0637 \u0641\u062c\u0648\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0639\u0644\u0649 \u062d\u062f\u0648\u062f \u0627\u0644\u0645\u0635\u0646\u0639. \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u0629 \u0636\u0631\u0648\u0631\u064a\u0629 \u0644\u0625\u0637\u0644\u0627\u0642 \u0627\u0644\u0641\u0631\u0627\u0645\u0644 \u0628\u0634\u0643\u0644 \u0645\u0633\u062a\u0645\u0631 \u0648\u0639\u0645\u0644\u064a\u0627\u062a \u0622\u0645\u0646\u0629.<\/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\/ar\/wp-json\/wp\/v2\/posts\/2374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.takebrakes.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.takebrakes.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/ar\/wp-json\/wp\/v2\/comments?post=2374"}],"version-history":[{"count":1,"href":"https:\/\/www.takebrakes.com\/ar\/wp-json\/wp\/v2\/posts\/2374\/revisions"}],"predecessor-version":[{"id":2391,"href":"https:\/\/www.takebrakes.com\/ar\/wp-json\/wp\/v2\/posts\/2374\/revisions\/2391"}],"wp:attachment":[{"href":"https:\/\/www.takebrakes.com\/ar\/wp-json\/wp\/v2\/media?parent=2374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.takebrakes.com\/ar\/wp-json\/wp\/v2\/categories?post=2374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.takebrakes.com\/ar\/wp-json\/wp\/v2\/tags?post=2374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}