{"id":63,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/broken-rotor-bars\/"},"modified":"2026-07-03T09:57:04","modified_gmt":"2026-07-03T09:57:04","slug":"broken-rotor-bars","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/broken-rotor-bars\/","title":{"rendered":"O que s\u00e3o barras de rotor quebradas? Falha no motor de gaiola de esquilo"},"content":{"rendered":"<h1>Compreender as barras do rotor partidas<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" title=\"Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kit completo de balanceador port\u00e1til e analisador de vibra\u00e7\u00f5es\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" title=\"Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A\">Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Adiciona ao carrinho: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Grande plano do sensor de vibra\u00e7\u00e3o Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">Sensor de vibra\u00e7\u00e3o<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Adiciona ao carrinho: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00f3tico (tac\u00f3metro laser)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sensor \u00f3tico (tac\u00f3metro laser)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00f3tico (tac\u00f3metro laser)\">Sensor \u00f3tico (tac\u00f3metro laser)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Adiciona ao carrinho: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Kit de balanceamento de rotor Vibromera: estojo de transporte, condicionador de sinal multicanal, analisador port\u00e1til, base magn\u00e9tica, sensores de vibra\u00e7\u00e3o e cabos espiralados.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Adiciona ao carrinho: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/magnet-stand\/\" title=\"Suporte magn\u00e9tico Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Base magn\u00e9tica.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/magnet-stand\/\" title=\"Suporte magn\u00e9tico Insize-60-kgf\">Suporte magn\u00e9tico Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Adiciona ao carrinho: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" title=\"Fita refletora\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Fita refletora\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" title=\"Fita refletora\">Fita refletora<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Adiciona ao carrinho: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Conte\u00fado do kit Balanset-1A com unidade de interface, sensores, tac\u00f3metro e acess\u00f3rios\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico &quot;Balanset-1A&quot; OEM\">Balanceador din\u00e2mico \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/63?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Adiciona ao carrinho: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>barras do rotor quebradas<\/strong> s\u00e3o fraturas completas das barras condutoras no rotor em gaiola de esquilo de um motor de indu\u00e7\u00e3o. A condi\u00e7\u00e3o \u00e9 essencialmente a mesma que uma <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rotor-bar-defects\/\">defeito na barra do rotor<\/a>, mas o termo enfatiza uma rutura total em vez de uma fissura ou uma junta de alta resist\u00eancia. Quando uma ou mais barras se rompem, a corrente deixa de circular atrav\u00e9s delas, e a assimetria eletromagn\u00e9tica resultante produz <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> e assinaturas de corrente \u2014 <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/sidebands\/\">faixas laterais<\/a> spaced at the <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/pole-pass-frequency\/\">frequ\u00eancia de passagem polar<\/a> (o n\u00famero de polos \u00d7 a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/slip-frequency\/\">frequ\u00eancia de escorregamento<\/a>) around the <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/running-speed\/\">velocidade de funcionamento<\/a>.<\/p>\n<p>As barras partidas s\u00e3o especialmente insidiosas porque falham em cascata. Uma barra partida for\u00e7a corrente e tens\u00e3o extra nas barras adjacentes, que come\u00e7am a falhar por sua vez. Detetado precocemente \u2014 na fase de barra \u00fanica partida \u2014 o motor pode funcionar durante meses sob monitoriza\u00e7\u00e3o; se n\u00e3o for detetado, a avaria pode acelerar para m\u00faltiplas barras partidas e uma falha catastr\u00f3fica do rotor que exige substitui\u00e7\u00e3o.<\/p>\n<h2>1. Como se Partem as Barras do Rotor<\/h2>\n<h3>Fadiga t\u00e9rmica (mais comum)<\/h3>\n<p>Os ciclos repetidos de aquecimento e arrefecimento s\u00e3o a principal causa, e vale a pena seguir o mecanismo passo a passo:<\/p>\n<ul>\n<li><strong>Corrente de arranque:<\/strong> durante um arranque, o rotor suporta 5\u20137\u00d7 a corrente normal na condi\u00e7\u00e3o de rotor bloqueado.<\/li>\n<li><strong>Expans\u00e3o t\u00e9rmica:<\/strong> as barras de alum\u00ednio expandem-se significativamente, com um coeficiente de cerca de 23 \u00b5m\/m\/\u00b0C.<\/li>\n<li><strong>Restri\u00e7\u00e3o:<\/strong> o n\u00facleo de ferro expande-se muito menos (cerca de 12 \u00b5m\/m\/\u00b0C), restringindo as barras.<\/li>\n<li><strong>Tens\u00e3o:<\/strong> esta expans\u00e3o diferencial origina tens\u00f5es t\u00e9rmicas elevadas nas barras.<\/li>\n<li><strong>Fadiga:<\/strong> ciclos de arranque repetidos provocam fadiga de baixo ciclo <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/fatigue\/\">fadiga<\/a>.<\/li>\n<li><strong>Inicia\u00e7\u00e3o de fissuras:<\/strong> as fissuras iniciam-se geralmente na jun\u00e7\u00e3o barra-anel de extremidade, o ponto de maior tens\u00e3o.<\/li>\n<\/ul>\n<h3>Tens\u00e3o mec\u00e2nica<\/h3>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/centrifugal-force\/\">For\u00e7as centr\u00edfugas<\/a> at high speed.<\/li>\n<li>For\u00e7as eletromagn\u00e9ticas durante o funcionamento e o arranque.<\/li>\n<li>Vibra\u00e7\u00e3o transmitida de fontes externas.<\/li>\n<li>Choques de carga durante arranques ou varia\u00e7\u00f5es bruscas de carga.<\/li>\n<\/ul>\n<h3>Defeitos de fabrico<\/h3>\n<ul>\n<li><strong>Porosidade:<\/strong> vazios em rotores de alum\u00ednio fundido.<\/li>\n<li><strong>Fraca ader\u00eancia:<\/strong> liga\u00e7\u00e3o inadequada das barras ao n\u00facleo.<\/li>\n<li><strong>Inclus\u00f5es materiais:<\/strong> contaminantes retidos na fundi\u00e7\u00e3o.<\/li>\n<li><strong>Liga\u00e7\u00f5es fracas no anel de curto-circuito:<\/strong> liga\u00e7\u00f5es deficientes entre as barras e o anel de curto-circuito.<\/li>\n<\/ul>\n<h3>Condi\u00e7\u00f5es de opera\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Arranques frequentes:<\/strong> cada arranque \u00e9 um evento de tens\u00e3o t\u00e9rmica e mec\u00e2nica.<\/li>\n<li><strong>Cargas de alta in\u00e9rcia:<\/strong> longos tempos de acelera\u00e7\u00e3o prolongam a tens\u00e3o nas barras.<\/li>\n<li><strong>Servi\u00e7o com invers\u00e3o de marcha:<\/strong> a invers\u00e3o de marcha provoca correntes extremas.<\/li>\n<li><strong>Single-phasing:<\/strong> o funcionamento com uma fase perdida sobrecarrega as restantes barras do rotor.<\/li>\n<\/ul>\n<h2>2. A Assinatura Caracter\u00edstica das Bandas Laterais<\/h2>\n<h3>Por que as bandas laterais aparecem?<\/h3>\n<p>O padr\u00e3o de diagn\u00f3stico distintivo surge atrav\u00e9s de uma cadeia clara de causa e efeito:<\/p>\n<ol>\n<li>Uma barra partida n\u00e3o consegue conduzir corrente, criando assimetria el\u00e9trica no rotor.<\/li>\n<li>Essa assimetria atrasa-se em rela\u00e7\u00e3o ao campo rotativo pela frequ\u00eancia de escorregamento f<sub>s<\/sub> \u2014 a diferen\u00e7a entre a velocidade s\u00edncrona e a velocidade do rotor, em Hz.<\/li>\n<li>Produz uma pulsa\u00e7\u00e3o de bin\u00e1rio \u00e0 frequ\u00eancia de passagem dos polos F<sub>P<\/sub> = n\u00famero de polos \u00d7 f<sub>s<\/sub> \u2014 equivalentemente, duas vezes o escorregamento por unidade multiplicado pela frequ\u00eancia da rede (2\u00b7s\u00b7f<sub>linha<\/sub>).<\/li>\n<li>A pulsa\u00e7\u00e3o de bin\u00e1rio modula a vibra\u00e7\u00e3o 1\u00d7 proveniente do desequil\u00edbrio mec\u00e2nico ordin\u00e1rio.<\/li>\n<li>O resultado s\u00e3o bandas laterais espa\u00e7adas em intervalos de velocidade de rota\u00e7\u00e3o \u00b1 frequ\u00eancia de passagem dos polos.<\/li>\n<\/ol>\n<h3>Padr\u00e3o de vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Pico central:<\/strong> 1\u00d7 velocidade de rota\u00e7\u00e3o (f<sub>r<\/sub>).<\/li>\n<li><strong>Banda lateral inferior:<\/strong> f<sub>r<\/sub> \u2212 F<sub>P<\/sub> (where F<sub>P<\/sub> = poles \u00d7 f<sub>s<\/sub> \u00e9 a frequ\u00eancia de passagem dos polos).<\/li>\n<li><strong>Banda lateral superior:<\/strong> f<sub>r<\/sub> + F<sub>P<\/sub>.<\/li>\n<li><strong>Bandas laterais m\u00faltiplas:<\/strong> f<sub>r<\/sub> \u00b1 2F<sub>P<\/sub>, f<sub>r<\/sub> \u00b1 3F<sub>P<\/sub> \u00e0 medida que a severidade aumenta.<\/li>\n<li><strong>Simetria:<\/strong> as bandas laterais est\u00e3o sim\u00e9tricas em torno do pico 1\u00d7.<\/li>\n<\/ul>\n<h3>Exemplo pr\u00e1tico<\/h3>\n<p>Um motor de 4 polos, 60 Hz a plena carga:<\/p>\n<ul>\n<li>Velocidade s\u00edncrona: 1800 RPM.<\/li>\n<li>Velocidade real: 1750 RPM (29,17 Hz).<\/li>\n<li>Escorregamento: 50 RPM, portanto a frequ\u00eancia de escorregamento f<sub>s<\/sub> = 50\/60 = 0.833 Hz.<\/li>\n<li>Frequ\u00eancia de passagem dos polos: F<sub>P<\/sub> = 4 poles \u00d7 0.833 Hz = 3.33 Hz.<\/li>\n<li><strong>Os picos de vibra\u00e7\u00e3o ocorrem em:<\/strong> 25.8 Hz, 29.17 Hz e 32.5 Hz.<\/li>\n<li>Uma barra partida \u00e9 confirmada pelas bandas laterais sim\u00e9tricas a \u00b13.33 Hz.<\/li>\n<\/ul>\n<p>Como a frequ\u00eancia de escorregamento \u00e9 toda a base deste padr\u00e3o, compensa calcul\u00e1-la com precis\u00e3o para o motor em quest\u00e3o; o <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/motor-slip-calculator\/\">Calculadora de deslizamento do motor e RPM real<\/a> faz isso diretamente a partir dos dados da placa de caracter\u00edsticas.<\/p>\n<h2>3. An\u00e1lise da Assinatura de Corrente (MCSA)<\/h2>\n<p>A an\u00e1lise da corrente do motor revela um padr\u00e3o muito semelhante em torno da <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/electrical-frequency\/\">line frequency<\/a>:<\/p>\n<ul>\n<li><strong>Pico central:<\/strong> frequ\u00eancia de linha (50 ou 60 Hz).<\/li>\n<li><strong>Faixas laterais:<\/strong> f<sub>linha<\/sub> \u00b1 2\u00b7s\u00b7f<sub>linha<\/sub>, onde s \u00e9 o escorregamento por unidade \u2014 o mesmo \u00b1F<sub>P<\/sub> espa\u00e7amento como na vibra\u00e7\u00e3o, porque 2\u00b7s\u00b7f<sub>linha<\/sub> \u00e9 igual \u00e0 frequ\u00eancia de passagem dos polos.<\/li>\n<li><strong>Exemplo:<\/strong> o motor de 4 polos acima (s = 50\/1800 \u2248 2,8%) mostra bandas laterais em 60 \u00b1 3,33 Hz \u2014 isto \u00e9, em 56,7 Hz e 63,3 Hz.<\/li>\n<li><strong>Vantagem:<\/strong> n\u00e3o invasivo e adequado para monitoriza\u00e7\u00e3o cont\u00ednua.<\/li>\n<li><strong>Sensibilidade:<\/strong> frequentemente deteta barras partidas antes da vibra\u00e7\u00e3o. O <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/motor-electrical-frequencies\/\">Calculadora de Frequ\u00eancia de Defeitos El\u00e9tricos em Motores<\/a> prev\u00ea exactamente estas bandas laterais de corrente.<\/li>\n<\/ul>\n<h2>4. Fases de Progress\u00e3o<\/h2>\n<h3>Barra \u00fanica quebrada<\/h3>\n<ul>\n<li>Aparecem bandas laterais de pequena amplitude, cerca de 20\u201340% do pico 1\u00d7.<\/li>\n<li>Ligeira pulsa\u00e7\u00e3o de bin\u00e1rio, frequentemente impercept\u00edvel.<\/li>\n<li>O desempenho do motor \u00e9 praticamente normal.<\/li>\n<li>O motor pode funcionar durante meses sob monitoriza\u00e7\u00e3o.<\/li>\n<li>A substitui\u00e7\u00e3o dever\u00e1 ser planeada mesmo assim.<\/li>\n<\/ul>\n<h3>M\u00faltiplas barras quebradas adjacentes<\/h3>\n<ul>\n<li>Bandas laterais pronunciadas, superiores a 50% do pico 1\u00d7.<\/li>\n<li>Pulsa\u00e7\u00e3o de bin\u00e1rio percept\u00edvel.<\/li>\n<li>Aumento do deslizamento e da temperatura.<\/li>\n<li>Progress\u00e3o a acelerar \u00e0 medida que as barras adjacentes sobreaquecem.<\/li>\n<li>A substitui\u00e7\u00e3o torna-se urgente \u2014 uma quest\u00e3o de semanas.<\/li>\n<\/ul>\n<h3>Condi\u00e7\u00e3o grave<\/h3>\n<ul>\n<li>As bandas laterais podem ultrapassar a amplitude do pico 1\u00d7.<\/li>\n<li>Pulsa\u00e7\u00e3o de bin\u00e1rio severa a atingir o equipamento acionado.<\/li>\n<li>Vibra\u00e7\u00e3o e temperatura elevadas.<\/li>\n<li>Risco de falha do anel de extremidade ou de avaria total do rotor.<\/li>\n<li>A substitui\u00e7\u00e3o imediata \u00e9 necess\u00e1ria.<\/li>\n<\/ul>\n<h2>5. Dete\u00e7\u00e3o em Campo<\/h2>\n<h3>An\u00e1lise de vibra\u00e7\u00e3o<\/h3>\n<p>O desafio definidor \u00e9 a resolu\u00e7\u00e3o: as bandas laterais situam-se apenas a alguns hertz do pico 1\u00d7 (\u00e0 frequ\u00eancia de passagem dos polos, tipicamente 1\u20134 Hz), pelo que o analisador tem de as separar com clareza.<\/p>\n<ul>\n<li>Utilize um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/fft\/\">FFT<\/a> \u2014 com resolu\u00e7\u00e3o melhor que 0,2 Hz \u2014 para resolver as bandas laterais; o <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/fft-resolution-calculator\/\">Calculadora de resolu\u00e7\u00e3o FFT<\/a> ajuda a escolher o n\u00famero de linhas e o intervalo.<\/li>\n<li>Teste o motor sob carga, uma vez que as bandas laterais crescem com a corrente el\u00e9trica.<\/li>\n<li>Calcule antecipadamente o escorregamento esperado e a frequ\u00eancia de passagem dos polos para o motor.<\/li>\n<li>Search the <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spectrum\/\">espetro<\/a> para bandas laterais sim\u00e9tricas a \u00b1F<sub>P<\/sub> em torno do pico 1\u00d7.<\/li>\n<li>Monitorize a amplitude das bandas laterais ao longo do tempo.<\/li>\n<\/ul>\n<p>Este trabalho est\u00e1 perfeitamente ao alcance de um instrumento port\u00e1til. Um analisador de dois canais como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> capta o espectro de vibra\u00e7\u00e3o no rolamento do motor enquanto o seu tac\u00f3metro laser \u00f3tico l\u00ea a velocidade real do veio, permitindo fixar a frequ\u00eancia 1\u00d7 precisa, calcular o escorregamento e procurar as bandas laterais espa\u00e7adas pela passagem de polos que confirmam barras partidas \u2014 tudo com o motor a funcionar sob a sua carga normal. Como o mesmo instrumento tamb\u00e9m mede amplitude e fase 1\u00d7, separa claramente uma assinatura genu\u00edna de barras de rotor de uma simples <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/running-speed\/\">velocidade de funcionamento<\/a> desequil\u00edbrio que exigiria balanceamento em vez de substitui\u00e7\u00e3o do rotor.<\/p>\n<h3>Teste MCSA<\/h3>\n<ul>\n<li>Coloque sondas de corrente nos cabos do motor.<\/li>\n<li>Adquira a forma de onda de corrente e calcule a sua FFT.<\/li>\n<li>Procure bandas laterais em f<sub>linha<\/sub> \u00b1 2\u00b7s\u00b7f<sub>linha<\/sub> (that is, f<sub>linha<\/sub> \u00b1 F<sub>P<\/sub>).<\/li>\n<li>Compare com a linha de base de um motor em boas condi\u00e7\u00f5es.<\/li>\n<li>Isto pode sinalizar um problema antes de os sintomas de vibra\u00e7\u00e3o se tornarem evidentes.<\/li>\n<\/ul>\n<h2>6. A\u00e7\u00f5es corretivas<\/h2>\n<h3>Resposta imediata<\/h3>\n<ul>\n<li>Aumente a frequ\u00eancia de monitoriza\u00e7\u00e3o \u2014 mensal, depois semanal, depois di\u00e1ria.<\/li>\n<li>Acompanhe a taxa de crescimento da amplitude das bandas laterais atrav\u00e9s de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/trend-analysis\/\">an\u00e1lise de tend\u00eancias<\/a>.<\/li>\n<li>Encomende um motor sobresselente ou planeie a substitui\u00e7\u00e3o do rotor.<\/li>\n<li>Reduza o ciclo de trabalho, se poss\u00edvel, minimizando as arranques.<\/li>\n<li>Documente a progress\u00e3o para an\u00e1lise de falha.<\/li>\n<\/ul>\n<h3>Op\u00e7\u00f5es de repara\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Substitui\u00e7\u00e3o do rotor:<\/strong> a op\u00e7\u00e3o mais fi\u00e1vel para motores de grande pot\u00eancia (acima de 100 HP).<\/li>\n<li><strong>Refundi\u00e7\u00e3o do rotor:<\/strong> oficinas especializadas podem refundir rotores de alum\u00ednio.<\/li>\n<li><strong>Substitui\u00e7\u00e3o do motor:<\/strong> frequentemente a solu\u00e7\u00e3o mais econ\u00f3mica para motores pequenos (abaixo de 50 CV).<\/li>\n<li><strong>Investiga\u00e7\u00e3o da causa raiz:<\/strong> determinar a causa da rotura das barras para evitar recorr\u00eancias.<\/li>\n<\/ul>\n<h3>Preven\u00e7\u00e3o<\/h3>\n<ul>\n<li>Utilizar arrancadores suaves ou variadores de frequ\u00eancia (VFD) para reduzir a corrente de arranque e o esfor\u00e7o t\u00e9rmico.<\/li>\n<li>Limitar a frequ\u00eancia de arranque em cargas de elevada in\u00e9rcia.<\/li>\n<li>Especificar motores dimensionados para o ciclo de servi\u00e7o real \u2014 modelos de arranques frequentes para servi\u00e7o de alta ciclagem.<\/li>\n<li>Garantir ventila\u00e7\u00e3o e arrefecimento adequados do motor.<\/li>\n<li>Prote\u00e7\u00e3o contra condi\u00e7\u00f5es de falta de fase.<\/li>\n<\/ul>\n<p>As barras de rotor partidas representam apenas cerca de 10\u201315% das <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/motor-defects\/\">motor failures<\/a>, no entanto deixam uma assinatura inequ\u00edvoca de banda lateral de passagem dos polos que permite uma dete\u00e7\u00e3o precoce fi\u00e1vel por an\u00e1lise de vibra\u00e7\u00e3o ou de corrente. Compreender o mecanismo de fadiga t\u00e9rmica, reconhecer o padr\u00e3o caracter\u00edstico de bandas laterais e integrar estas verifica\u00e7\u00f5es num <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/condition-monitoring\/\">monitoriza\u00e7\u00e3o do estado<\/a> programa permitem substituir o motor de forma planeada \u2014 antes que uma \u00fanica barra partida d\u00ea origem a m\u00faltiplas roturas de barras e a uma paragem n\u00e3o programada prolongada.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/\">\u2190 Voltar ao \u00edndice principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Saiba mais sobre barras de rotor quebradas em motores de indu\u00e7\u00e3o, barras condutoras fraturadas que criam bandas laterais de frequ\u00eancia de escorregamento, pulsa\u00e7\u00e3o de torque e falha progressiva se n\u00e3o detectada precocemente.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-63","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/63","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/63\/revisions"}],"predecessor-version":[{"id":102161,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/63\/revisions\/102161"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=63"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=63"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=63"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}