{"id":167,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/motor-defects\/"},"modified":"2026-07-03T09:58:42","modified_gmt":"2026-07-03T09:58:42","slug":"motor-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/motor-defects\/","title":{"rendered":"O que s\u00e3o defeitos em motores? Diagn\u00f3stico de motores el\u00e9tricos"},"content":{"rendered":"<h1>Compreender os Defeitos dos Motores El\u00e9tricos<\/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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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>defeitos do motor<\/strong> s\u00e3o os defeitos e modos de falha que se desenvolvem nos motores el\u00e9tricos \u2014 abrangendo problemas puramente mec\u00e2nicos (falhas de rolamentos, contacto rotor-estator, problemas de veio), problemas eletromagn\u00e9ticos (barras rot\u00f3ricas partidas, falhas no enrolamento do estator, irregularidades no entreferro) e os problemas eletromec\u00e2nicos combinados em que uns alimentam os outros. Cada fam\u00edlia de defeitos imprime uma assinatura caracter\u00edstica na <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> e no comportamento el\u00e9trico da m\u00e1quina, pelo que podem ser detetados atrav\u00e9s de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration-analysis\/\">an\u00e1lise de vibra\u00e7\u00e3o<\/a>, an\u00e1lise da assinatura de corrente do motor (MCSA), e termografia muito antes de o motor falhar efetivamente.<\/p>\n<p>Os motores el\u00e9tricos est\u00e3o entre as m\u00e1quinas mais numerosas em qualquer instala\u00e7\u00e3o industrial, e as suas falhas representam uma grande parcela das paragens n\u00e3o planeadas e dos custos de manuten\u00e7\u00e3o. Conhecer os modos de defeito espec\u00edficos do motor \u2014 e as frequ\u00eancias que produzem \u2014 permite que uma equipa de fiabilidade passe da substitui\u00e7\u00e3o reativa para a interven\u00e7\u00e3o planeada, evitando falhas catastr\u00f3ficas e maximizando a fiabilidade de cada acionamento.<\/p>\n<h2>1. As Tr\u00eas Fam\u00edlias de Defeitos do Motor<\/h2>\n<p>\u00c9 \u00fatil agrupar os problemas do motor em tr\u00eas categorias: defeitos comuns a toda a maquinaria rotativa, defeitos exclusivos do sistema eletromagn\u00e9tico e os h\u00edbridos que conjugam os dois dom\u00ednios.<\/p>\n<h3>Defeitos Mec\u00e2nicos (Comuns a Toda a Maquinaria Rotativa)<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">Desequil\u00edbrio<\/a>:<\/strong> assimetria de massa do rotor, produzindo uma componente dominante <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/running-speed\/\">1\u00d7 velocidade de rota\u00e7\u00e3o<\/a> vibra\u00e7\u00e3o.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-defects\/\">Falhas em rolamentos<\/a>:<\/strong> o defeito mais comum do motor, respons\u00e1vel por cerca de metade de todas as falhas.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">Desalinhamento<\/a>:<\/strong> erro de acoplamento motor-carga, classicamente uma forte componente 2\u00d7.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/looseness\/\">Folga mec\u00e2nica<\/a>:<\/strong> p\u00e9s de montagem, tampas de extremidade ou componentes do rotor soltos, geralmente originando uma s\u00e9rie de harm\u00f3nicos.<\/li>\n<li><strong>Problemas no veio:<\/strong> um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bent-shaft\/\">veio curvado<\/a> ou <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/cracked-rotor\/\">rotor trincado<\/a> que curva o conjunto rotativo.<\/li>\n<\/ul>\n<h3>Defeitos Electromagn\u00e9ticos (Espec\u00edficos de Motores)<\/h3>\n<p>Estes s\u00e3o os defeitos que uma caixa de engrenagens ou uma bomba nunca apresenta \u2014 residem na gaiola do rotor, no enrolamento do estator e no entreferro magn\u00e9tico entre eles.<\/p>\n<ul>\n<li><strong>Defeitos el\u00e9tricos do rotor:<\/strong> <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/broken-rotor-bars\/\">barras do rotor quebradas<\/a> (barras condutoras fraturadas em rotores de gaiola de esquilo, cerca de 10\u201315% das falhas), an\u00e9is de curto-circuito fissurados (fraturas nos an\u00e9is de curto que unem as barras), porosidade do rotor (vazios de fundi\u00e7\u00e3o que alteram as propriedades el\u00e9tricas) e juntas de alta resist\u00eancia entre as barras e os an\u00e9is de curto-circuito.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/stator-defects\/\">Defeitos el\u00e9tricos do estator<\/a>:<\/strong> degrada\u00e7\u00e3o do isolamento do enrolamento, curtos-circuitos espira a espira e defeitos fase a fase (30\u201340% das falhas), defeitos \u00e0 terra em que o isolamento falha para a carca\u00e7a, e danos nas bobinas por degrada\u00e7\u00e3o t\u00e9rmica, esfor\u00e7o mec\u00e2nico ou contamina\u00e7\u00e3o.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/air-gap\/\">Air-gap issues<\/a>:<\/strong> an <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/eccentricity\/\">rotor exc\u00eantrico<\/a> originando um entreferro n\u00e3o uniforme por fabrico ou desgaste, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rubbing\/\">fric\u00e7\u00e3o<\/a> contacto entre rotor e estator por falha de rolamento ou desalinhamento, e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/magnetic-pull\/\">atra\u00e7\u00e3o magn\u00e9tica<\/a> \u2014 for\u00e7a magn\u00e9tica desequilibrada resultante de assimetria no entreferro.<\/li>\n<\/ul>\n<h3>Defeitos Eletromec\u00e2nicos Combinados<\/h3>\n<ul>\n<li><strong>Problemas t\u00e9rmicos:<\/strong> sobreaquecimento por sobrecarga, ventila\u00e7\u00e3o deficiente ou falha el\u00e9trica subjacente.<\/li>\n<li><strong>Problemas de ventila\u00e7\u00e3o:<\/strong> ventoinhas de arrefecimento bloqueadas ou danificadas que deixam os enrolamentos sobreaquecer.<\/li>\n<li><strong>Acoplamento entre dom\u00ednios:<\/strong> falhas el\u00e9tricas que provocam vibra\u00e7\u00e3o mec\u00e2nica, e falhas mec\u00e2nicas que distorcem o circuito magn\u00e9tico \u2014 cada uma amplificando a outra.<\/li>\n<\/ul>\n<h2>2. Assinaturas de Vibra\u00e7\u00e3o das Principais Falhas<\/h2>\n<p>O poder do diagn\u00f3stico de vibra\u00e7\u00e3o em motores reside no facto de as falhas eletromagn\u00e9ticas se manifestarem a frequ\u00eancias previs\u00edveis relacionadas com a rede, e n\u00e3o a simples m\u00faltiplos da velocidade do veio. A <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/electrical-frequency\/\">line frequency<\/a>, o n\u00famero de polos e a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/slip-frequency\/\">frequ\u00eancia de escorregamento<\/a> determinam em conjunto onde se situam os picos de diagn\u00f3stico.<\/p>\n<h3>Barras de rotor quebradas<\/h3>\n<p>Um dos defeitos mais importantes espec\u00edficos de motores, e um caso exemplar para <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/sidebands\/\">banda lateral<\/a> an\u00e1lise:<\/p>\n<ul>\n<li><strong>Frequ\u00eancia:<\/strong> bandas laterais de ambos os lados da velocidade de rota\u00e7\u00e3o com espa\u00e7amento de \u00b1(frequ\u00eancia de passagem de polos) \u2014 um 1\u00d7 \u00b1 F<sub>P<\/sub> padr\u00e3o, onde F<sub>P<\/sub> = n\u00famero de polos \u00d7 frequ\u00eancia de escorregamento, tipicamente alguns hertz num motor de 60 Hz.<\/li>\n<li><strong>Modula\u00e7\u00e3o de amplitude:<\/strong> a corrente e o bin\u00e1rio pulsam \u00e0 frequ\u00eancia de passagem dos polos (duas vezes o escorregamento por unidade \u00d7 frequ\u00eancia da linha).<\/li>\n<li><strong>Depend\u00eancia da carga:<\/strong> as bandas laterais tornam-se mais proeminentes sob carga, pelo que o motor deve estar sob carga no momento da medi\u00e7\u00e3o.<\/li>\n<li><strong>Progress\u00e3o:<\/strong> a amplitude das bandas laterais aumenta \u00e0 medida que barras adicionais se fraturarem, tornando o defeito um bom candidato para <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/trending\/\">tend\u00eancia<\/a>.<\/li>\n<\/ul>\n<h3>Problemas no estator<\/h3>\n<ul>\n<li><strong>Frequ\u00eancia:<\/strong> tipicamente um pico dominante ao dobro da frequ\u00eancia da linha \u2014 120 Hz com alimenta\u00e7\u00e3o de 60 Hz, 100 Hz com alimenta\u00e7\u00e3o de 50 Hz.<\/li>\n<li><strong>Causa:<\/strong> assimetria da for\u00e7a magn\u00e9tica criada por falhas no enrolamento. Um pico 2\u00d7 da frequ\u00eancia da linha, por si s\u00f3, n\u00e3o \u00e9 conclusivo \u2014 o desequil\u00edbrio da alimenta\u00e7\u00e3o e a excentricidade do entreferro tamb\u00e9m o produzem, por isso confirme com verifica\u00e7\u00f5es da corrente de fase.<\/li>\n<li><strong>Adicional:<\/strong> podem tamb\u00e9m aparecer harm\u00f3nicos da frequ\u00eancia de rede.<\/li>\n<li><strong>Ru\u00eddo eletromagn\u00e9tico:<\/strong> um zumbido aud\u00edvel ao dobro da frequ\u00eancia de rede acompanha frequentemente a vibra\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Rotor Exc\u00eantrico (Varia\u00e7\u00e3o do Entreferro)<\/h3>\n<ul>\n<li><strong>Frequ\u00eancias:<\/strong> picos ao dobro da frequ\u00eancia da linha e \u00e0 velocidade de rota\u00e7\u00e3o, ladeados por bandas laterais espa\u00e7adas \u00e0 <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/pole-pass-frequency\/\">frequ\u00eancia de passagem polar<\/a>.<\/li>\n<li><strong>Padr\u00e3o:<\/strong> 2\u00d7F<sub>L<\/sub> \u00b1 F<sub>P<\/sub> and 1\u00d7 \u00b1 F<sub>P<\/sub>, where F<sub>P<\/sub> (frequ\u00eancia de passagem dos polos) = n\u00famero de polos \u00d7 frequ\u00eancia de escorregamento.<\/li>\n<li><strong>Desequil\u00edbrio magn\u00e9tico:<\/strong> uma folga n\u00e3o uniforme gera vibra\u00e7\u00e3o radial mesmo quando o rotor est\u00e1 mecanicamente bem equilibrado.<\/li>\n<li><strong>Efeito combinado:<\/strong> tanto uma contribui\u00e7\u00e3o mec\u00e2nica (a pr\u00f3pria excentricidade) como uma contribui\u00e7\u00e3o eletromagn\u00e9tica (a varia\u00e7\u00e3o da relut\u00e2ncia magn\u00e9tica ao longo da folga).<\/li>\n<\/ul>\n<h2>3. M\u00e9todos de Detec\u00e7\u00e3o<\/h2>\n<p>Nenhuma t\u00e9cnica isolada deteta todas as avarias de um motor. Os programas mais eficazes combinam m\u00e9todos complementares, de modo a que uma anomalia n\u00e3o detetada por um seja assinalada por outro.<\/p>\n<h3>An\u00e1lise de vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>FFT padr\u00e3o:<\/strong> an <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/fft\/\">FFT<\/a> <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spectrum\/\">espetro<\/a> resolve simultaneamente defeitos mec\u00e2nicos e as frequ\u00eancias de linha eletromagn\u00e9ticas.<\/li>\n<li><strong>An\u00e1lise de bandas laterais:<\/strong> cr\u00edtico para detetar problemas nas barras do rotor e na folga de ar, que se ocultam nos flancos do pico de 1\u00d7.<\/li>\n<li><strong>Frequ\u00eancias dos rolamentos:<\/strong> <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/envelope-analysis\/\">an\u00e1lise de envelope<\/a> identifica precocemente <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-fault-frequencies\/\">frequ\u00eancias de falhas em rolamentos<\/a> encobertos por componentes de maior amplitude.<\/li>\n<li><strong>Tend\u00eancias:<\/strong> o acompanhamento das amplitudes ao longo do tempo revela uma avaria em desenvolvimento gradual.<\/li>\n<\/ul>\n<h3>An\u00e1lise da assinatura da corrente do motor (MCSA)<\/h3>\n<ul>\n<li>Analisa o espectro de frequ\u00eancias da corrente de linha do motor em vez da sua vibra\u00e7\u00e3o.<\/li>\n<li>Deteta avarias el\u00e9tricas sem qualquer sensor de vibra\u00e7\u00e3o montado na m\u00e1quina.<\/li>\n<li>Particularmente eficaz para avarias nas barras do rotor e no enrolamento do estator.<\/li>\n<li>Pode ser efetuado online sem perturbar a produ\u00e7\u00e3o.<\/li>\n<li>Complementa, em vez de substituir, a an\u00e1lise de vibra\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Imagem t\u00e9rmica<\/h3>\n<ul>\n<li>As c\u00e2maras de infravermelhos revelam pontos quentes na carca\u00e7a do motor.<\/li>\n<li>Os defeitos no enrolamento manifestam-se como aquecimento localizado.<\/li>\n<li>Os bloqueios de ventila\u00e7\u00e3o surgem como zonas quentes de grande extens\u00e3o.<\/li>\n<li>Os problemas nos rolamentos elevam a temperatura do alojamento do rolamento.<\/li>\n<li>As condi\u00e7\u00f5es de sobrecarga provocam uma subida geral de temperatura.<\/li>\n<\/ul>\n<h3>Testes El\u00e9tricos<\/h3>\n<ul>\n<li><strong>Resist\u00eancia de isolamento:<\/strong> o ensaio com meg\u00f3hmetro revela a deteriora\u00e7\u00e3o do isolamento do enrolamento.<\/li>\n<li><strong>\u00cdndice de polariza\u00e7\u00e3o:<\/strong> um r\u00e1cio que indica o estado geral do isolamento.<\/li>\n<li><strong>Hipot testing:<\/strong> verifica a integridade do isolamento sob tens\u00e3o elevada.<\/li>\n<li><strong>Equil\u00edbrio de corrente:<\/strong> a medi\u00e7\u00e3o da corrente em cada fase revela <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/electrical-unbalance\/\">desequil\u00edbrio el\u00e9trico<\/a> entre fases.<\/li>\n<\/ul>\n<h2>4. Estat\u00edsticas de Avaria e o Balanset-1A em Campo<\/h2>\n<p>Conhecer a frequ\u00eancia relativa de cada modo de falha permite que uma equipa concentre o seu esfor\u00e7o de monitoriza\u00e7\u00e3o onde ele \u00e9 mais rent\u00e1vel:<\/p>\n<ul>\n<li><strong>Avarias de rolamentos:<\/strong> cerca de 50% das avarias em motores.<\/li>\n<li><strong>Falhas no enrolamento do estator:<\/strong> cerca de 30\u201335%.<\/li>\n<li><strong>Rotor defects:<\/strong> cerca de 10\u201315%.<\/li>\n<li><strong>Fatores externos:<\/strong> os restantes ~5% \u2014 contamina\u00e7\u00e3o, ambiente e similares.<\/li>\n<\/ul>\n<p>Dado que metade dessas avarias tem origem nos rolamentos, e que muitas falhas de rolamentos s\u00e3o provocadas por vibra\u00e7\u00e3o excessiva, controlar o desequil\u00edbrio na origem \u00e9 uma das medidas mais rent\u00e1veis que uma equipa de manuten\u00e7\u00e3o pode adotar. Quando a vibra\u00e7\u00e3o a 1\u00d7 de um motor \u00e9 elevada, um engenheiro pode confirm\u00e1-la e corrigi-la no local com um analisador port\u00e1til de dois canais como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a>: mede a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/amplitude\/\">amplitude<\/a> e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/phase\/\">fase<\/a> da vibra\u00e7\u00e3o \u00e0 velocidade de funcionamento, distingue um desequil\u00edbrio real de um pico eletromagn\u00e9tico a 2\u00d7 da frequ\u00eancia de rede e \u2014 quando a falha \u00e9 mec\u00e2nica \u2014 realiza o equil\u00edbrio em um ou dois planos <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/equilibrio-de-campos\/\">equilibragem no local<\/a> nos pr\u00f3prios rolamentos do motor, verificando depois o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/residual-unbalance\/\">desequil\u00edbrio residual<\/a> sem desmontar o acionamento. Detetar o problema desta forma evita a carga lateral que, de outro modo, reduz a vida \u00fatil dos rolamentos.<\/p>\n<h2>5. Estrat\u00e9gias de Manuten\u00e7\u00e3o Preventiva<\/h2>\n<h3>Monitoriza\u00e7\u00e3o de Condi\u00e7\u00e3o<\/h3>\n<ul>\n<li>Inspe\u00e7\u00f5es de vibra\u00e7\u00e3o trimestrais ou mensais seguindo um percurso programado.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/continuous-monitoring\/\">Monitoriza\u00e7\u00e3o cont\u00ednua<\/a> para os motores mais cr\u00edticos.<\/li>\n<li>Inspe\u00e7\u00f5es termogr\u00e1ficas anual ou semestralmente.<\/li>\n<li>An\u00e1lise da corrente do motor, peri\u00f3dica ou cont\u00ednua.<\/li>\n<li>Registo de tend\u00eancias de todos os par\u00e2metros para que as altera\u00e7\u00f5es sejam detetadas atempadamente, como parte de um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/predictive-maintenance\/\">manuten\u00e7\u00e3o preditiva<\/a> programa.<\/li>\n<\/ul>\n<h3>Manuten\u00e7\u00e3o de rotina<\/h3>\n<ul>\n<li><strong>Lubrifica\u00e7\u00e3o:<\/strong> relubrifique os rolamentos de acordo com o calend\u00e1rio \u2014 tipicamente a cada 6\u201312 meses.<\/li>\n<li><strong>Limpeza:<\/strong> remova p\u00f3 e detritos das passagens de arrefecimento.<\/li>\n<li><strong>Aperto:<\/strong> verifique os parafusos de fixa\u00e7\u00e3o e as liga\u00e7\u00f5es dos terminais.<\/li>\n<li><strong>Inspe\u00e7\u00e3o:<\/strong> inspecione visualmente danos, sobreaquecimento e contamina\u00e7\u00e3o.<\/li>\n<li><strong>Testes:<\/strong> repetir periodicamente os testes de resist\u00eancia de isolamento.<\/li>\n<\/ul>\n<h3>Equil\u00edbrio e Alinhamento<\/h3>\n<ul>\n<li>Manter bom <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/balance-quality\/\">qualidade de equil\u00edbrio<\/a> para manter as cargas nos rolamentos reduzidas.<\/li>\n<li>Hold precise <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/laser-shaft-alignment\/\">alinhamento do eixo<\/a> ao equipamento acionado.<\/li>\n<li>Verifique novamente o alinhamento periodicamente \u2014 anualmente ou ap\u00f3s qualquer interven\u00e7\u00e3o de manuten\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>6. An\u00e1lise de Causa Raiz<\/h2>\n<p>Quando um motor avaria, identificar a causa raiz \u00e9 o que impede que a mesma falha se repita. Associe o sintoma aos prov\u00e1veis fatores determinantes:<\/p>\n<h3>Falhas em rolamentos<\/h3>\n<ul>\n<li><strong>Investigar:<\/strong> adequa\u00e7\u00e3o da lubrifica\u00e7\u00e3o, fontes de contamina\u00e7\u00e3o, alinhamento, n\u00edveis de vibra\u00e7\u00e3o.<\/li>\n<li><strong>Causas comuns:<\/strong> lubrifica\u00e7\u00e3o excessiva, tipo de massa lubrificante incorreto, desalinhamento, vibra\u00e7\u00e3o excessiva.<\/li>\n<\/ul>\n<h3>Falhas el\u00e9tricas<\/h3>\n<ul>\n<li><strong>Investigar:<\/strong> Condi\u00e7\u00f5es de opera\u00e7\u00e3o, qualidade da tens\u00e3o, ciclo de trabalho, adequa\u00e7\u00e3o do sistema de refrigera\u00e7\u00e3o.<\/li>\n<li><strong>Causas comuns:<\/strong> Sobrecarga, desequil\u00edbrio de tens\u00e3o, monof\u00e1sico, refrigera\u00e7\u00e3o bloqueada<\/li>\n<\/ul>\n<h3>Falhas mec\u00e2nicas<\/h3>\n<ul>\n<li><strong>Investigar:<\/strong> Caracter\u00edsticas da carga, qualidade da instala\u00e7\u00e3o, ambiente operacional<\/li>\n<li><strong>Causas comuns:<\/strong> Cargas de choque, desalinhamento, instala\u00e7\u00e3o inadequada, ambiente contaminado<\/li>\n<\/ul>\n<h2>7. Normas do Setor<\/h2>\n<p>V\u00e1rias normas enquadram o desempenho, os ensaios e os crit\u00e9rios de vibra\u00e7\u00e3o admiss\u00edveis dos motores:<\/p>\n<ul>\n<li><strong>NEMA MG-1:<\/strong> desempenho e ensaio de motores.<\/li>\n<li><strong>IEC 60034:<\/strong> normas internacionais para motores, incluindo limites de vibra\u00e7\u00e3o.<\/li>\n<li><strong>IEEE 43:<\/strong> pr\u00e1tica de ensaio de isolamento (fonte do \u00edndice de polariza\u00e7\u00e3o).<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/iso-20816-3\/\">ISO 20816<\/a>:<\/strong> crit\u00e9rios de severidade de vibra\u00e7\u00e3o para motores el\u00e9tricos \u2014 o sucessor moderno da muito referenciada s\u00e9rie ISO 10816.<\/li>\n<\/ul>\n<p>As avarias em motores el\u00e9tricos representam uma fatia significativa de todas as falhas em equipamentos industriais. Compreender as assinaturas caracter\u00edsticas de falhas mec\u00e2nicas, el\u00e9tricas e eletromagn\u00e9ticas \u2014 e combinar a an\u00e1lise de vibra\u00e7\u00e3o, a an\u00e1lise de corrente e a termografia num \u00fanico programa de monitoriza\u00e7\u00e3o do estado \u2014 transforma a manuten\u00e7\u00e3o de motores de uma abordagem reativa numa abordagem preditiva, maximizando a fiabilidade e minimizando as paragens n\u00e3o planeadas.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/\">\u2190 Voltar ao \u00edndice principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Aprenda sobre defeitos em motores el\u00e9tricos, incluindo problemas nas barras do rotor, problemas no estator, falhas nos rolamentos e falhas eletromagn\u00e9ticas, detect\u00e1veis por meio de an\u00e1lises de vibra\u00e7\u00e3o e corrente.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-167","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/167","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":3,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/167\/revisions"}],"predecessor-version":[{"id":102166,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/167\/revisions\/102166"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}