{"id":64,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/brush-defects\/"},"modified":"2026-05-23T22:56:07","modified_gmt":"2026-05-23T22:56:07","slug":"brush-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/brush-defects\/","title":{"rendered":"O que s\u00e3o defeitos nas escovas? Problemas com motores CC e an\u00e9is coletores"},"content":{"rendered":"<h1>Entendendo os defeitos das escovas<\/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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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 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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\/64?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\/64?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\/64?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\/64?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 de escova<\/strong> s\u00e3o problemas nas escovas de carv\u00e3o ou de grafite met\u00e1lica que conduzem corrente el\u00e9trica entre as partes estacion\u00e1ria e rotativa de motores de corrente cont\u00ednua, motores de corrente alternada de rotor bobinado, geradores e conjuntos de an\u00e9is coletores. Os defeitos mais comuns s\u00e3o o desgaste das escovas, o assentamento incorreto, o trepida\u00e7\u00e3o (ressalto), fa\u00edscas, contamina\u00e7\u00e3o e problemas na tens\u00e3o da mola. Cada um deles cria problemas em mais do que uma frente: el\u00e9trica (transfer\u00eancia deficiente de corrente e arcos el\u00e9tricos), mec\u00e2nica (<a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> causadas pelo ressalto) e \u2014 se n\u00e3o forem corrigidos \u2014 danos secund\u00e1rios no comutador ou nos an\u00e9is coletores.<\/p>\n<p>As m\u00e1quinas com escovas est\u00e3o a ser progressivamente substitu\u00eddas por motores de indu\u00e7\u00e3o de corrente alternada, mas est\u00e3o longe de desaparecer. Os acionamentos de corrente cont\u00ednua, os motores de rotor bobinado, os geradores e uma s\u00e9rie de equipamentos especiais continuam a depender de escovas, pelo que reconhecer os defeitos nas escovas continua a ser uma parte fundamental da <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/motor-defects\/\">diagn\u00f3stico de motores el\u00e9tricos<\/a> and of any <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/electrical-faults\/\">falha el\u00e9trica<\/a> investiga\u00e7\u00e3o em instala\u00e7\u00f5es rotativas.<\/p>\n<h2>1. Defeitos Comuns em Escovas<\/h2>\n<h3>Brush Wear<\/h3>\n<p>Algum desgaste \u00e9 normal, mas pode ser gravemente acelerado:<\/p>\n<ul>\n<li><strong>Desgaste normal:<\/strong> perda gradual de material por atrito \u2014 da ordem de 1\u20132 mm por cada 1000 horas.<\/li>\n<li><strong>Desgaste acelerado:<\/strong> causado por corrente elevada, lubrifica\u00e7\u00e3o deficiente (aus\u00eancia de pel\u00edcula protetora de carv\u00e3o) ou contamina\u00e7\u00e3o.<\/li>\n<li><strong>Sintomas:<\/strong> escovas visivelmente encurtadas e a aproximar-se do comprimento m\u00ednimo.<\/li>\n<li><strong>Consequ\u00eancias:<\/strong> press\u00e3o de mola fraca \u00e0 medida que a escova encurta, conduzindo a um contacto deficiente e a um aumento de fa\u00edscas.<\/li>\n<li><strong>A\u00e7\u00e3o:<\/strong> substituir quando desgastada at\u00e9 ao comprimento m\u00ednimo, tipicamente um ter\u00e7o a metade do comprimento original.<\/li>\n<\/ul>\n<h3>Vibra\u00e7\u00e3o das Escovas (Saltamento)<\/h3>\n<p>Aqui a escova perde intermitentemente o contacto com o comutador:<\/p>\n<ul>\n<li><strong>Causas:<\/strong> press\u00e3o de mola insuficiente, comutador rugoso, externo <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a>, ou um colector exc\u00eantrico.<\/li>\n<li><strong>Sintomas:<\/strong> Fa\u00edscas vis\u00edveis, zumbido ou ru\u00eddo aud\u00edvel, ru\u00eddo el\u00e9trico<\/li>\n<li><strong>Vibra\u00e7\u00e3o:<\/strong> o salto cria impactos \u00e0 frequ\u00eancia de passagem das l\u00e2minas do colector.<\/li>\n<li><strong>Danos:<\/strong> acelera o desgaste do colector e provoca danos por forma\u00e7\u00e3o de arco el\u00e9ctrico.<\/li>\n<li><strong>Frequ\u00eancia:<\/strong> o tilintar situa-se tipicamente na gama de 100\u20131000 Hz.<\/li>\n<\/ul>\n<h3>Assentamento Deficiente das Escovas<\/h3>\n<ul>\n<li><strong>Descri\u00e7\u00e3o:<\/strong> a face da escova n\u00e3o se adapta \u00e0 curvatura do colector.<\/li>\n<li><strong>Causas:<\/strong> escovas novas que n\u00e3o foram rodadas, instala\u00e7\u00e3o incorrecta ou grau de escova demasiado duro.<\/li>\n<li><strong>Efeito:<\/strong> \u00e1rea de contacto reduzida, elevada densidade de corrente local e aquecimento concentrado.<\/li>\n<li><strong>Sintomas:<\/strong> faiscamento excessivo, pontos quentes e desgaste acelerado.<\/li>\n<li><strong>Solu\u00e7\u00e3o:<\/strong> um procedimento de rodagem adequado, selec\u00e7\u00e3o correcta do grau de escova e pedras de assentamento.<\/li>\n<\/ul>\n<h3>Contamina\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>\u00d3leo e massa lubrificante:<\/strong> reduzem o atrito, impedem a forma\u00e7\u00e3o da pel\u00edcula de carbono e provocam rastreamento el\u00e9ctrico.<\/li>\n<li><strong>P\u00f3:<\/strong> part\u00edculas abrasivas que aceleram <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/wear\/\">desgaste<\/a>.<\/li>\n<li><strong>Humidade:<\/strong> promove a corros\u00e3o e perturba o contacto el\u00e9ctrico.<\/li>\n<li><strong>Acumula\u00e7\u00e3o de p\u00f3 de carbono:<\/strong> \u00c9 poss\u00edvel encurtar entre segmentos ou criar trajet\u00f3rias de rastreamento.<\/li>\n<\/ul>\n<h3>Problemas nas Molas das Escovas<\/h3>\n<ul>\n<li><strong>Weak springs:<\/strong> press\u00e3o insuficiente, mau contacto e salto.<\/li>\n<li><strong>Molas partidas:<\/strong> press\u00e3o nula, pelo que a escova deixa de fazer contacto.<\/li>\n<li><strong>Press\u00e3o incorrecta:<\/strong> demasiado alta provoca desgaste excessivo; demasiado baixa provoca mau contacto.<\/li>\n<li><strong>Corros\u00e3o:<\/strong> molas corro\u00eddas perdem a sua elasticidade.<\/li>\n<\/ul>\n<h3>Fa\u00edscas e Arcos El\u00e9tricos<\/h3>\n<ul>\n<li>Fa\u00edscas vis\u00edveis na interface escova-colector.<\/li>\n<li>As causas incluem tilintar, mau contacto, sobrecarga e danos no colector.<\/li>\n<li>O dano \u00e9 progressivo, picando a superf\u00edcie do colector.<\/li>\n<li>No pior caso, conduz a um contorno de arco \u2014 um arco el\u00e9ctrico que liga m\u00faltiplos segmentos.<\/li>\n<\/ul>\n<h2>2. Assinaturas de vibra\u00e7\u00e3o<\/h2>\n<h3>Vibra\u00e7\u00e3o relacionada com as escovas<\/h3>\n<ul>\n<li><strong>Vibra\u00e7\u00e3o (quique):<\/strong> vibra\u00e7\u00e3o de alta frequ\u00eancia na banda de 100\u20131000 Hz \u00e0 medida que a escova salta.<\/li>\n<li><strong>Frequ\u00eancia de l\u00e2minas do colector:<\/strong> n\u00famero de l\u00e2minas do colector \u00d7 RPM \/ 60.<\/li>\n<li><strong>Harm\u00f3nicos el\u00e9tricos:<\/strong> uma fam\u00edlia de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/harmonics\/\">harm\u00f3nicos<\/a> devido a arcos el\u00e9tricos e \u00e0 interrup\u00e7\u00e3o repetida da corrente.<\/li>\n<li><strong>Ru\u00eddo de banda larga:<\/strong> conte\u00fado aleat\u00f3rio de alta frequ\u00eancia gerado por fa\u00edscas.<\/li>\n<li><strong>Modula\u00e7\u00e3o de amplitude:<\/strong> surge quando a excentricidade faz variar a press\u00e3o de contacto uma vez por rota\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Efeitos mec\u00e2nicos secund\u00e1rios<\/h3>\n<ul>\n<li>A fric\u00e7\u00e3o das escovas cria for\u00e7as tangenciais no colector.<\/li>\n<li>O desgaste irregular das escovas pode produzir <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a>-como sintomas.<\/li>\n<li>Uma press\u00e3o desigual das molas pode perturbar a centragem do rotor.<\/li>\n<\/ul>\n<p>Uma vez que v\u00e1rias destas assinaturas se sobrep\u00f5em em frequ\u00eancia com avarias mec\u00e2nicas reais, os problemas de escovas s\u00e3o uma fonte cl\u00e1ssica de confus\u00e3o diagn\u00f3stica &mdash; um lembrete para confirmar sempre a frequ\u00eancia de passagem das l\u00e2minas do colector antes de responsabilizar os rolamentos.<\/p>\n<h2>3. M\u00e9todos de Detec\u00e7\u00e3o<\/h2>\n<h3>Inspe\u00e7\u00e3o Visual<\/h3>\n<ul>\n<li><strong>Brush length:<\/strong> me\u00e7a o comprimento restante e substitua quando estiver abaixo do m\u00ednimo.<\/li>\n<li><strong>Superf\u00edcie de contacto:<\/strong> deve ser lisa e conforme ao colector.<\/li>\n<li><strong>Fa\u00edscas:<\/strong> observe numa zona com pouca luz &mdash; fa\u00edscas ligeiras s\u00e3o normais; fa\u00edscas intensas s\u00e3o um problema.<\/li>\n<li><strong>Contamina\u00e7\u00e3o:<\/strong> verifique a presen\u00e7a de \u00f3leo, poeira e dep\u00f3sitos de carbono.<\/li>\n<li><strong>Estado da mola:<\/strong> verifique se as molas est\u00e3o intactas e a exercer a tens\u00e3o correcta.<\/li>\n<\/ul>\n<h3>Testes el\u00e9tricos<\/h3>\n<ul>\n<li><strong>Resist\u00eancia de contacto da escova:<\/strong> deve ser baixa e uniforme em todas as escovas.<\/li>\n<li><strong>Press\u00e3o da mola:<\/strong> me\u00e7a com um dinam\u00f3metro de mola &mdash; tipicamente 1,5&ndash;3,5 psi de press\u00e3o de contacto.<\/li>\n<li><strong>Queda de tens\u00e3o:<\/strong> na interface escova-colector, normalmente inferior a 1 V por escova.<\/li>\n<\/ul>\n<h3>M\u00e9todos Vibrat\u00f3rios e Ac\u00fasticos<\/h3>\n<ul>\n<li>High-frequency <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/accelerometer\/\">aceler\u00f3metro<\/a> medi\u00e7\u00f5es para capturar os impactos de vibra\u00e7\u00e3o por chatter.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/acoustic-emission\/\">Emiss\u00e3o ac\u00fastica<\/a> para dete\u00e7\u00e3o de arcos el\u00e9tricos.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/ultrasound-analysis\/\">Monitoriza\u00e7\u00e3o ultrass\u00f3nica<\/a> para descarga corona ou rastejamento.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spectrum\/\">An\u00e1lise espectral<\/a> para isolar a frequ\u00eancia das l\u00e2minas do colector.<\/li>\n<\/ul>\n<h3>Imagem t\u00e9rmica<\/h3>\n<ul>\n<li>Escovas quentes indicam mau contacto ou sobrecarga.<\/li>\n<li>Pontos quentes no colector indicam problemas localizados.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/thermography\/\">Termografia<\/a> pode revelar um desequil\u00edbrio de temperatura entre os conjuntos de escovas.<\/li>\n<\/ul>\n<h2>4. Medi\u00e7\u00e3o de Vibra\u00e7\u00e3o de Escovas no Campo<\/h2>\n<p>Quando se suspeita que uma m\u00e1quina com escovas apresenta vibra\u00e7\u00e3o ou faiscamento, o teste pr\u00e1tico consiste numa medi\u00e7\u00e3o de vibra\u00e7\u00e3o de alta frequ\u00eancia no alojamento do porta-escovas. Um analisador port\u00e1til de dois canais como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> permite capturar o espectro e confirmar se a energia est\u00e1 alinhada com a frequ\u00eancia de passagem das lamelas do comutador ou com um padr\u00e3o de faiscamento em banda larga. Utilizado em conjunto com uma inspe\u00e7\u00e3o visual num compartimento escurecido e um teste de queda de tens\u00e3o, ajuda a distinguir um defeito real das escovas de um problema n\u00e3o relacionado de rolamentos ou desequil\u00edbrio \u2014 e, ap\u00f3s a amacia\u00e7\u00e3o de novas escovas, verifica que o conte\u00fado de alta frequ\u00eancia voltou ao n\u00edvel de refer\u00eancia. Registar essas leituras num <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/condition-monitoring\/\">monitoriza\u00e7\u00e3o do estado<\/a> programme turns a reactive replacement into a planned one.<\/p>\n<h2>5. Manuten\u00e7\u00e3o e Corre\u00e7\u00e3o<\/h2>\n<h3>Manuten\u00e7\u00e3o de rotina da escova<\/h3>\n<ul>\n<li><strong>Frequ\u00eancia de inspe\u00e7\u00e3o:<\/strong> mensalmente para m\u00e1quinas cr\u00edticas, trimestralmente para aplica\u00e7\u00f5es gerais \u2014 uma integra\u00e7\u00e3o natural com <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/periodic-monitoring\/\">monitoriza\u00e7\u00e3o peri\u00f3dica baseada em rotas<\/a>.<\/li>\n<li><strong>Limpeza:<\/strong> aspirar o p\u00f3 de carbono e limpar a superf\u00edcie do comutador.<\/li>\n<li><strong>Verifica\u00e7\u00e3o do comprimento:<\/strong> substituir as escovas quando atingirem o comprimento m\u00ednimo.<\/li>\n<li><strong>Tens\u00e3o da mola:<\/strong> verificar a press\u00e3o correta.<\/li>\n<li><strong>Estado do comutador:<\/strong> verificar a exist\u00eancia de riscas, picadas e lamelas salientes.<\/li>\n<\/ul>\n<h3>Substitui\u00e7\u00e3o da escova<\/h3>\n<ul>\n<li>Utilize o grau correto para a aplica\u00e7\u00e3o \u2014 consulte o fabricante.<\/li>\n<li>Substitua todas as escovas de um conjunto em simult\u00e2neo.<\/li>\n<li>Assegure um encaixe correto nos porta-escovas.<\/li>\n<li>Permita um per\u00edodo de amacia\u00e7\u00e3o de 24\u201348 horas para que as novas escovas assentem completamente.<\/li>\n<li>Verifique novamente a press\u00e3o das molas ap\u00f3s a instala\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Manuten\u00e7\u00e3o do comutador<\/h3>\n<ul>\n<li>Limpe regularmente com solventes ou pedras aprovados.<\/li>\n<li>Tornear (maquinar) o comutador caso fique com ranhuras ou rugosidades.<\/li>\n<li>Aprofundar a mica entre as lamelas onde especificado.<\/li>\n<li>Verificar a exist\u00eancia de lamelas salientes, lamelas soltas e segmentos danificados.<\/li>\n<\/ul>\n<h2>6. Melhores Pr\u00e1ticas de Preven\u00e7\u00e3o<\/h2>\n<h3>Pr\u00e1ticas Operacionais<\/h3>\n<ul>\n<li>Opere dentro da corrente nominal para limitar o aquecimento das escovas.<\/li>\n<li>Evite frequ\u00eancias de arranque excessivas \u2014 a corrente de arranque solicitita as escovas.<\/li>\n<li>Mantenha o ambiente limpo para evitar contamina\u00e7\u00e3o.<\/li>\n<li>Controle a humidade; um ar demasiado seco ou demasiado h\u00famido degrada o contacto.<\/li>\n<\/ul>\n<h3>Sele\u00e7\u00e3o e projeto<\/h3>\n<ul>\n<li>Especifique um grau de escova adequado \u2014 macio ou duro \u2014 para a densidade de corrente.<\/li>\n<li>Forne\u00e7a um n\u00famero adequado de escovas para a corrente.<\/li>\n<li>Utilize um design adequado de porta-escovas.<\/li>\n<li>Considere alternativas sem escova para novas instala\u00e7\u00f5es.<\/li>\n<\/ul>\n<p>Os defeitos de escovas, embora espec\u00edficos das m\u00e1quinas de corrente cont\u00ednua e de rotor bobinado, s\u00e3o itens de manuten\u00e7\u00e3o importantes que recompensam inspe\u00e7\u00f5es regulares e substitui\u00e7\u00e3o atempada. Uma compreens\u00e3o clara dos mecanismos de desgaste, boas pr\u00e1ticas de manuten\u00e7\u00e3o e o reconhecimento dos sintomas de diagn\u00f3stico mant\u00eam os motores com escovas a funcionar de forma fi\u00e1vel \u2014 e previnem os danos el\u00e9tricos e mec\u00e2nicos que resultam de escovas negligenciadas.<\/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 defeitos nas escovas de motores CC e m\u00e1quinas de rotor bobinado, incluindo desgaste, vibra\u00e7\u00e3o, fa\u00edscas e mau contato que causam problemas el\u00e9tricos e de vibra\u00e7\u00e3o.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-64","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/64","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":1,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/64\/revisions"}],"predecessor-version":[{"id":101429,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/64\/revisions\/101429"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=64"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=64"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=64"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}