{"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-br\/glossary\/broken-rotor-bars\/","title":{"rendered":"O que s\u00e3o Barras de Rotor Quebradas? Falha em Motores de Gaiola de Pombos"},"content":{"rendered":"<h1>Compreendendo Barras de Rotor Quebradas<\/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-br\/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-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer 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 full kit portable balancer and vibration analyzer\" 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-br\/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-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">Balanceador port\u00e1til &#038; Analisador de vibra\u00e7\u00e3o 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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/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=\"Balanset-1A vibration sensor close-up\" 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-br\/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-br\/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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a 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 \u00d3ptico (Tac\u00f4metro a 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-br\/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-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">Sensor \u00d3ptico (Tac\u00f4metro a 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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/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=\"Vibromera rotor balancing kit: carry case, multi-channel signal conditioner, handheld analyzer, magnetic base, vibration sensors, and coiled cables.\" 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-br\/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-br\/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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/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=\"Magnet base.\" 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-br\/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-br\/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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">\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 refletiva\" 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-br\/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-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">Fita refletiva<\/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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d 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=\"Balanset-1A kit contents with interface unit, sensors, tachometer and accessories\" 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-br\/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-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM\">Balanceador din\u00e2mico \u201cBalanset-1A\u201d 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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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 de rotor quebradas<\/strong> s\u00e3o fraturas completas das barras condutoras no rotor de gaiola de pombos de um motor de indu\u00e7\u00e3o. A condi\u00e7\u00e3o \u00e9 essencialmente a mesma de um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-bar-defects\/\">defeito de barra de rotor<\/a>, mas o termo enfatiza uma ruptura total em vez de uma trinca ou uma junta de alta resist\u00eancia. Quando uma ou mais barras se rompem, a corrente n\u00e3o pode mais fluir atrav\u00e9s delas, e a assimetria eletromagn\u00e9tica resultante produz assinaturas distintas de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> vibra\u00e7\u00e3o e corrente \u2014 <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/sidebands\/\">bandas laterais<\/a> espa\u00e7adas na <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/pole-pass-frequency\/\">frequ\u00eancia de passagem de polos<\/a> (o n\u00famero de polos \u00d7 a <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/slip-frequency\/\">frequ\u00eancia de deslizamento<\/a>) ao redor da <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/running-speed\/\">velocidade de opera\u00e7\u00e3o<\/a>.<\/p>\n<p>As barras quebradas s\u00e3o especialmente insidiosas porque falham em cascata. Uma barra quebrada for\u00e7a corrente e tens\u00e3o extras nas barras ao lado, que ent\u00e3o come\u00e7am a falhar por sua vez. Detectado precocemente \u2014 no est\u00e1gio de barra \u00fanica quebrada \u2014 o motor pode operar por meses sob monitoramento; se perdido, a falha pode acelerar para m\u00faltiplas barras quebradas e uma falha catastr\u00f3fica do rotor que exige substitui\u00e7\u00e3o.<\/p>\n<h2>1. Como as Barras do Rotor Quebram<\/h2>\n<h3>Fadiga T\u00e9rmica (Mais Comum)<\/h3>\n<p>Ciclos repetidos de aquecimento e resfriamento s\u00e3o a principal causa, e o mecanismo vale a pena seguir passo a passo:<\/p>\n<ul>\n<li><strong>Corrente de partida:<\/strong> durante uma partida, o rotor suporta 5\u20137\u00d7 a corrente normal na condi\u00e7\u00e3o de rotor travado.<\/li>\n<li><strong>Dilata\u00e7\u00e3o t\u00e9rmica:<\/strong> as barras de alum\u00ednio se expandem fortemente, com um coeficiente em torno de 23 \u00b5m\/m\/\u00b0C.<\/li>\n<li><strong>Restri\u00e7\u00e3o:<\/strong> o n\u00facleo de ferro se expande muito menos (cerca de 12 \u00b5m\/m\/\u00b0C), restringindo as barras.<\/li>\n<li><strong>Tens\u00e3o:<\/strong> essa expans\u00e3o diferencial gera alta tens\u00e3o t\u00e9rmica nas barras.<\/li>\n<li><strong>Fadiga:<\/strong> ciclos repetidos de partida impulsionam fadiga de baixo ciclo <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/fatigue\/\">fadiga<\/a>.<\/li>\n<li><strong>Inicia\u00e7\u00e3o de trincas:<\/strong> trincas geralmente come\u00e7am 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-br\/glossary\/centrifugal-force\/\">For\u00e7as centr\u00edfugas<\/a> em alta velocidade.<\/li>\n<li>For\u00e7as eletromagn\u00e9ticas durante opera\u00e7\u00e3o e partida.<\/li>\n<li>Vibra\u00e7\u00e3o transmitida de fontes externas.<\/li>\n<li>Carregamento por choque durante partidas ou mudan\u00e7as s\u00fabitas de carga.<\/li>\n<\/ul>\n<h3>Defeitos de Fabrica\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Porosidade:<\/strong> vazios em rotores de alum\u00ednio fundido.<\/li>\n<li><strong>M\u00e1xima liga\u00e7\u00e3o:<\/strong> liga\u00e7\u00e3o inadequada barra-n\u00facleo.<\/li>\n<li><strong>Inclus\u00f5es de material:<\/strong> contaminantes presos na fundi\u00e7\u00e3o.<\/li>\n<li><strong>Juntas fracas de anel de extremidade:<\/strong> conex\u00f5es pobres barra-anel de extremidade.<\/li>\n<\/ul>\n<h3>Condi\u00e7\u00f5es de Opera\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Partidas frequentes:<\/strong> cada partida \u00e9 um evento de tens\u00e3o t\u00e9rmica e mec\u00e2nica.<\/li>\n<li><strong>Cargas de alta in\u00e9rcia:<\/strong> tempos longos de acelera\u00e7\u00e3o prolongam a tens\u00e3o nas barras.<\/li>\n<li><strong>Servi\u00e7o de revers\u00e3o:<\/strong> o travamento (plugging) cria correntes extremas.<\/li>\n<li><strong>Monofasamento:<\/strong> operar com uma fase perdida sobrecarrega as barras restantes do rotor.<\/li>\n<\/ul>\n<h2>2. A Assinatura Caracter\u00edstica de Bandas Laterais<\/h2>\n<h3>Por que as Bandas Laterais Aparecem<\/h3>\n<p>O padr\u00e3o diagn\u00f3stico distinto surge atrav\u00e9s de uma cadeia clara de causa e efeito:<\/p>\n<ol>\n<li>Uma barra quebrada n\u00e3o pode conduzir corrente, criando assimetria el\u00e9trica no rotor.<\/li>\n<li>Essa assimetria atrasa o campo rotativo pela frequ\u00eancia de deslizamento f<sub>s<\/sub> \u2014 a diferen\u00e7a entre a velocidade s\u00edncrona e a velocidade do rotor, em Hz.<\/li>\n<li>Ela produz uma pulsa\u00e7\u00e3o de torque na frequ\u00eancia de passagem de polo F<sub>P<\/sub> = n\u00famero de polos \u00d7 f<sub>s<\/sub> \u2014 equivalentemente duas vezes o deslizamento em unidade por unidade vezes a frequ\u00eancia da rede (2\u00b7s\u00b7f<sub>rede<\/sub>).<\/li>\n<li>A pulsa\u00e7\u00e3o de torque modula a vibra\u00e7\u00e3o de 1\u00d7 que vem do desbalanceamento mec\u00e2nico comum.<\/li>\n<li>O resultado s\u00e3o bandas laterais espa\u00e7adas na velocidade de opera\u00e7\u00e3o \u00b1 intervalos de frequ\u00eancia de passagem de polo.<\/li>\n<\/ol>\n<h3>Padr\u00e3o de Vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Pico central:<\/strong> 1\u00d7 velocidade de opera\u00e7\u00e3o (f<sub>r<\/sub>).<\/li>\n<li><strong>Banda lateral inferior:<\/strong> f<sub>r<\/sub> \u2212 F<sub>P<\/sub> (onde F<sub>P<\/sub> = polos \u00d7 f<sub>s<\/sub> \u00e9 a frequ\u00eancia de passagem de polo).<\/li>\n<li><strong>Banda lateral superior:<\/strong> f<sub>r<\/sub> + F<sub>P<\/sub>.<\/li>\n<li><strong>M\u00faltiplas bandas laterais:<\/strong> f<sub>r<\/sub> \u00b1 2F<sub>P<\/sub>, f<sub>r<\/sub> \u00b1 3F<sub>P<\/sub> \u00e0 medida que a severidade cresce.<\/li>\n<li><strong>Simetria:<\/strong> as bandas laterais se posicionam simetricamente ao redor do pico de 1\u00d7.<\/li>\n<\/ul>\n<h3>Exemplo Resolvido<\/h3>\n<p>Um motor de 4 polos, 60 Hz em carga total:<\/p>\n<ul>\n<li>Velocidade s\u00edncrona: 1800 RPM.<\/li>\n<li>Velocidade real: 1750 RPM (29,17 Hz).<\/li>\n<li>Deslizamento: 50 RPM, ent\u00e3o a frequ\u00eancia de deslizamento f<sub>s<\/sub> = 50\/60 = 0,833 Hz.<\/li>\n<li>Frequ\u00eancia de passagem de polo: F<sub>P<\/sub> = 4 polos \u00d7 0,833 Hz = 3,33 Hz.<\/li>\n<li><strong>Picos de vibra\u00e7\u00e3o em:<\/strong> 25,8 Hz, 29,17 Hz e 32,5 Hz.<\/li>\n<li>Uma barra quebrada \u00e9 confirmada pelas bandas laterais sim\u00e9tricas em \u00b13,33 Hz.<\/li>\n<\/ul>\n<p>Como a frequ\u00eancia de escorregamento \u00e9 a base inteira desse padr\u00e3o, vale a pena calcul\u00e1-la com precis\u00e3o para o motor em quest\u00e3o; o <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/motor-slip-calculator\/\">Calculadora de Escorregamento do Motor e RPM Real<\/a> faz isso diretamente a partir dos dados da placa de identifica\u00e7\u00e3o.<\/p>\n<h2>3. An\u00e1lise de Assinatura de Corrente (MCSA)<\/h2>\n<p>A an\u00e1lise da corrente do motor revela um padr\u00e3o estreitamente relacionado em torno da <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/electrical-frequency\/\">frequ\u00eancia da rede<\/a>:<\/p>\n<ul>\n<li><strong>Pico central:<\/strong> frequ\u00eancia da rede (50 ou 60 Hz).<\/li>\n<li><strong>Bandas Laterais:<\/strong> f<sub>rede<\/sub> \u00b1 2\u00b7s\u00b7f<sub>rede<\/sub>, onde s \u00e9 o escorregamento em unidade por unidade \u2014 o mesmo espa\u00e7amento \u00b1F<sub>P<\/sub> espa\u00e7amento como na vibra\u00e7\u00e3o, porque 2\u00b7s\u00b7f<sub>rede<\/sub> \u00e9 igual \u00e0 frequ\u00eancia de passagem de polo.<\/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 ou seja, em 56,7 Hz e 63,3 Hz.<\/li>\n<li><strong>Vantagem:<\/strong> n\u00e3o invasivo e bem adequado ao monitoramento cont\u00ednuo.<\/li>\n<li><strong>Sensibilidade:<\/strong> muitas vezes detecta barras quebradas antes da vibra\u00e7\u00e3o. O <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/motor-electrical-frequencies\/\">Calculadora de Frequ\u00eancia de Defeitos El\u00e9tricos do Motor<\/a> prev\u00ea essas bandas laterais de corrente exatas.<\/li>\n<\/ul>\n<h2>4. Est\u00e1gios de Progress\u00e3o<\/h2>\n<h3>Barra \u00danica Quebrada<\/h3>\n<ul>\n<li>Bandas laterais pequenas aparecem, em torno de 20\u201340% do pico de 1\u00d7.<\/li>\n<li>Leve pulsa\u00e7\u00e3o de torque, muitas vezes impercept\u00edvel.<\/li>\n<li>O desempenho do motor \u00e9 quase normal.<\/li>\n<li>O motor pode funcionar por meses sob monitoramento.<\/li>\n<li>A substitui\u00e7\u00e3o ainda deve ser planejada.<\/li>\n<\/ul>\n<h3>M\u00faltiplas Barras Adjacentes Quebradas<\/h3>\n<ul>\n<li>Bandas laterais fortes, maiores que 50% do pico de 1\u00d7.<\/li>\n<li>Pulsa\u00e7\u00e3o de torque percept\u00edvel.<\/li>\n<li>Aumento do escorregamento e da temperatura.<\/li>\n<li>Progress\u00e3o acelerando \u00e0 medida que as barras adjacentes superaquecem.<\/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 exceder a amplitude do pico de 1\u00d7.<\/li>\n<li>Pulsa\u00e7\u00e3o de torque severa atingindo o equipamento acionado.<\/li>\n<li>Alta vibra\u00e7\u00e3o e temperatura.<\/li>\n<li>Risco de falha do anel de extremidade ou falha completa do rotor.<\/li>\n<li>A substitui\u00e7\u00e3o imediata \u00e9 necess\u00e1ria.<\/li>\n<\/ul>\n<h2>5. Detec\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 ficam apenas alguns hertz de dist\u00e2ncia do pico 1\u00d7 (na frequ\u00eancia de passagem de polo, tipicamente 1\u20134 Hz), ent\u00e3o o analisador deve separ\u00e1-las limpa e claramente.<\/p>\n<ul>\n<li>Use uma resolu\u00e7\u00e3o alta <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/fft\/\">FFT<\/a> \u2014 melhor que 0,2 Hz de resolu\u00e7\u00e3o \u2014 para resolver as bandas laterais; o <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/fft-resolution-calculator\/\">Calculadora de Resolu\u00e7\u00e3o FFT<\/a> ajuda voc\u00ea a escolher a contagem de linhas e a faixa.<\/li>\n<li>Teste o motor sob carga, j\u00e1 que as bandas laterais crescem com o fluxo de corrente.<\/li>\n<li>Calcule o deslizamento esperado e a frequ\u00eancia de passagem de polo para o motor com anteced\u00eancia.<\/li>\n<li>Procure no <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/spectrum\/\">espectro<\/a> por bandas laterais sim\u00e9tricas em \u00b1F<sub>P<\/sub> em torno do pico de 1\u00d7.<\/li>\n<li>Trend da amplitude da banda lateral ao longo do tempo.<\/li>\n<\/ul>\n<p>Este trabalho est\u00e1 bem ao alcance de um instrumento port\u00e1til. Um analisador de dois canais, como o <a href=\"https:\/\/vibromera.eu\/pt-br\/produto\/balanset-1\/\">Balanset-1A<\/a> captura o espectro de vibra\u00e7\u00e3o no rolamento do motor enquanto seu tac\u00f4metro laser \u00f3ptico l\u00ea a velocidade real do eixo, permitindo que voc\u00ea fixe a frequ\u00eancia 1\u00d7 precisa, calcule o deslizamento e procure pelas bandas laterais espa\u00e7adas pela frequ\u00eancia de passagem de polo que confirmam barras quebradas \u2014 tudo com o motor operando sob sua carga normal. Como o mesmo instrumento tamb\u00e9m mede a amplitude e a fase de 1\u00d7, ele separa limpa e claramente uma assinatura genu\u00edna de barra do rotor de um simples <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/running-speed\/\">velocidade de opera\u00e7\u00e3o<\/a> desbalanceamento que exigiria balanceamento em vez de substitui\u00e7\u00e3o do rotor.<\/p>\n<h3>Teste MCSA<\/h3>\n<ul>\n<li>Prenda sondas de corrente nos cabos do motor.<\/li>\n<li>Adquira a forma de onda da corrente e calcule sua FFT.<\/li>\n<li>Procure por bandas laterais em f<sub>rede<\/sub> \u00b1 2\u00b7s\u00b7f<sub>rede<\/sub> (ou seja, f<sub>rede<\/sub> \u00b1 F<sub>P<\/sub>).<\/li>\n<li>Compare com um valor de refer\u00eancia de motor saud\u00e1vel.<\/li>\n<li>Isso pode sinalizar um problema antes que os sintomas de vibra\u00e7\u00e3o fiquem claros.<\/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 monitoramento \u2014 mensal, depois semanal, depois di\u00e1ria.<\/li>\n<li>Acompanhe a taxa de crescimento da amplitude da banda lateral por meio de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/trend-analysis\/\">an\u00e1lise de tend\u00eancias<\/a>.<\/li>\n<li>Pe\u00e7a um motor de reposi\u00e7\u00e3o ou planeje a substitui\u00e7\u00e3o do rotor.<\/li>\n<li>Reduza o ciclo de trabalho, se poss\u00edvel, minimizando as partidas.<\/li>\n<li>Documente a progress\u00e3o para an\u00e1lise de falhas.<\/li>\n<\/ul>\n<h3>Op\u00e7\u00f5es de Reparo<\/h3>\n<ul>\n<li><strong>Substitui\u00e7\u00e3o do rotor:<\/strong> a escolha mais confi\u00e1vel para motores grandes (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> muitas vezes a op\u00e7\u00e3o mais econ\u00f4mica para motores pequenos (abaixo de 50 HP).<\/li>\n<li><strong>Investiga\u00e7\u00e3o da causa raiz:<\/strong> determine por que as barras se romperam para evitar uma recorr\u00eancia.<\/li>\n<\/ul>\n<h3>Preven\u00e7\u00e3o<\/h3>\n<ul>\n<li>Use soft starters ou VFDs para reduzir a corrente de partida e o estresse t\u00e9rmico.<\/li>\n<li>Limite a frequ\u00eancia de partida para cargas de alta in\u00e9rcia.<\/li>\n<li>Especifique motores classificados para o ciclo de trabalho real \u2014 projetos de partida frequente para servi\u00e7os de alto ciclo.<\/li>\n<li>Garanta ventila\u00e7\u00e3o e resfriamento adequados do motor.<\/li>\n<li>Proteja contra condi\u00e7\u00f5es de monofasamento.<\/li>\n<\/ul>\n<p>As barras do rotor quebradas representam apenas cerca de 10\u201315% das <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/motor-defects\/\">falhas de motores<\/a>, mas deixam uma assinatura inconfund\u00edvel de bandas laterais na frequ\u00eancia de passagem de polo que apoia a detec\u00e7\u00e3o precoce confi\u00e1vel por an\u00e1lise de vibra\u00e7\u00e3o ou corrente. Compreender o mecanismo de fadiga t\u00e9rmica, reconhecer o padr\u00e3o caracter\u00edstico de bandas laterais e incorporar as verifica\u00e7\u00f5es em um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/condition-monitoring\/\">monitoramento-de-condi\u00e7\u00e3o<\/a> programa permite que um motor seja substitu\u00eddo de forma planejada \u2014 antes que uma \u00fanica barra quebrada se propague para m\u00faltiplas falhas de barras e uma parada n\u00e3o planejada prolongada.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/\">\u2190 Voltar ao \u00cdndice Principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about broken rotor bars in induction motors, fractured conductor bars creating slip frequency sidebands, torque pulsation, and progressive failure if not detected early.<\/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-br\/wp-json\/wp\/v2\/glossary\/63","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/63\/revisions"}],"predecessor-version":[{"id":102161,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/63\/revisions\/102161"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/media?parent=63"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/categories?post=63"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/tags?post=63"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}