{"id":20649,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rolling-element-defects\/"},"modified":"2026-05-23T22:52:59","modified_gmt":"2026-05-23T22:52:59","slug":"rolling-element-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/rolling-element-defects\/","title":{"rendered":"O que s\u00e3o defeitos nos elementos rolantes? Danos em esferas e rolos"},"content":{"rendered":"<h1>Compreendendo os defeitos dos elementos rolantes<\/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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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 elemento rolante<\/strong> s\u00e3o danos, falhas ou imperfei\u00e7\u00f5es nas esferas ou nos rolos de um rolamento de elementos rolantes. Incluem lascas superficiais, fissuras, contamina\u00e7\u00e3o incrustada, inclus\u00f5es de material, corros\u00e3o e imperfei\u00e7\u00f5es geom\u00e9tricas. Quando uma esfera ou um rolo danificado gira no interior do rolamento, entra em contacto com as pistas interna e externa, gerando <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> no <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bsf\/\">frequ\u00eancia de rota\u00e7\u00e3o da bola (BSF)<\/a> com a caracter\u00edstica <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/sidebands\/\">faixas laterais<\/a> spaced at the <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/ftf\/\">frequ\u00eancia da estrutura fundamental (FTF)<\/a>. Os defeitos nos elementos rolantes s\u00e3o um dos quatro tipos cl\u00e1ssicos de danos localizados <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-defects\/\">defeitos de rolamento<\/a>, juntamente com falhas na parte interna da pista, na parte externa da pista e na gaiola.<\/p>\n<p>S\u00e3o menos comuns do que os defeitos nas pistas, representando cerca de 10 a 15 % das avarias nos rolamentos, mas, quando ocorrem, produzem um padr\u00e3o caracter\u00edstico, por vezes confuso, e podem evoluir rapidamente para uma avaria total do rolamento. Como a avaria gira com o elemento, em vez de permanecer fixa na zona de carga, a sua vibra\u00e7\u00e3o comporta-se de forma diferente de uma avaria na pista \u2014 uma peculiaridade que constitui simultaneamente uma pista para o diagn\u00f3stico e uma verdadeira dor de cabe\u00e7a na an\u00e1lise de tend\u00eancias.<\/p>\n<h2>1. Defini\u00e7\u00e3o: O que s\u00e3o defeitos em elementos rolantes?<\/h2>\n<p>Um elemento rolante \u2014 a esfera num rolamento de esferas, o cilindro, a agulha ou o rolo c\u00f3nico num rolamento de rolos \u2014 \u00e9 o componente que, na verdade, suporta a carga entre as duas pistas enquanto rola. A sua superf\u00edcie \u00e9 uma superf\u00edcie de a\u00e7o para rolamentos com acabamento preciso e endurecida em profundidade, que deve permanecer geometricamente perfeita para rolar sem atrito. Qualquer imperfei\u00e7\u00e3o nessa superf\u00edcie, quer tenha origem na siderurgia ou tenha sido provocada durante a utiliza\u00e7\u00e3o, torna-se um ponto de concentra\u00e7\u00e3o de tens\u00f5es e uma fonte de impacto.<\/p>\n<p>Sempre que o defeito no elemento entra em contacto com uma pista, produz um pequeno impulso. Ao longo de uma \u00f3rbita completa da gaiola, o elemento entra em contacto com a pista exterior uma vez e com a pista interior uma vez, pelo que um \u00fanico defeito tende a gerar dois impactos por rota\u00e7\u00e3o do elemento \u2014 raz\u00e3o pela qual a segunda harm\u00f3nica, 2\u00d7BSF, \u00e9 t\u00e3o proeminente no espetro. A frequ\u00eancia de repeti\u00e7\u00e3o desses impactos \u00e9 determinada pela geometria do rolamento (di\u00e2metro da esfera, di\u00e2metro primitivo, \u00e2ngulo de contacto e n\u00famero de elementos), conferindo \u00e0 falha uma frequ\u00eancia caracter\u00edstica calcul\u00e1vel que \u00e9 inequivocamente diferente de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/running-speed\/\">velocidade de funcionamento<\/a> or its <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/harmonics\/\">harm\u00f3nicos<\/a>.<\/p>\n<h2>2. Tipos de defeitos nos elementos rolantes<\/h2>\n<h3>Surface spalls<\/h3>\n<p>O defeito mais comum nos elementos rolantes. A fadiga por contacto rolante faz com que uma lasca de material se desprenda da superf\u00edcie, deixando uma cratera ou uma cavidade. As lascas t\u00eam normalmente um di\u00e2metro inicial de 0,5 a 3 mm, mas aumentam de tamanho \u00e0 medida que as arestas afiadas da cavidade batem nas pistas e provocam a liberta\u00e7\u00e3o de mais detritos. Cada passagem da lasca sobre uma pista produz um impacto, gerando vibra\u00e7\u00e3o na frequ\u00eancia de base (BSF) e, frequentemente, uma frequ\u00eancia dupla da BSF (2\u00d7BSF). (Ver <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spalling\/\">lascamento<\/a> para o mecanismo subjacente da fadiga.)<\/p>\n<h3>Fissuras<\/h3>\n<p>As fissuras resultam de sobrecarga, danos por impacto ou fadiga, podendo ser superficiais ou subsuperficiais. Uma fissura propaga-se at\u00e9 que um peda\u00e7o se desprenda \u2014 momento em que se transforma numa lasca. \u00c9 dif\u00edcil detetar as fissuras antes de isso acontecer e, em casos graves, uma esfera pode fraturar-se e fragmentar-se, provocando uma falha catastr\u00f3fica repentina.<\/p>\n<h3>Inclus\u00f5es de materiais<\/h3>\n<p>Um defeito de fabrico: material estranho ou uma cavidade retida no a\u00e7o para rolamentos. As inclus\u00f5es criam uma concentra\u00e7\u00e3o de tens\u00f5es que provoca fadiga prematura, geralmente indetet\u00e1vel at\u00e9 que se desenvolva fragmenta\u00e7\u00e3o \u00e0 volta da inclus\u00e3o. A \u00fanica forma eficaz de preven\u00e7\u00e3o \u00e9 utilizar a\u00e7o para rolamentos limpo e de alta qualidade.<\/p>\n<h3>Contamina\u00e7\u00e3o incorporada<\/h3>\n<p>As part\u00edculas duras \u2014 sujidade, gr\u00e3os de esmerilagem, limalhas de metal \u2014 que ficam incrustadas na superf\u00edcie do elemento formam uma sali\u00eancia que bate contra as pistas a cada passagem. Essa sali\u00eancia tamb\u00e9m se torna um ponto de concentra\u00e7\u00e3o de tens\u00e3o que pode dar origem a uma lasca. O resultado \u00e9 uma vibra\u00e7\u00e3o por impacto na BSF, e a causa principal \u00e9 quase sempre uma veda\u00e7\u00e3o ou filtragem inadequada, a mesma cadeia de eventos abordada em <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-lubrication\/\">lubrifica\u00e7\u00e3o de rolamentos<\/a> cleanliness.<\/p>\n<h3>Danos causados pela corros\u00e3o e pela humidade<\/h3>\n<p>A entrada de \u00e1gua ou a condensa\u00e7\u00e3o provocam manchas de ferrugem, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/pitting\/\">picadas<\/a>, e a rugosidade da superf\u00edcie. As \u00e1reas corro\u00eddas funcionam como pontos de in\u00edcio da fadiga. Uma veda\u00e7\u00e3o adequada e a utiliza\u00e7\u00e3o de lubrificantes anticorrosivos previnem este fen\u00f3meno.<\/p>\n<h3>Marcas de brinelling e amolgadelas<\/h3>\n<p>As cargas de impacto \u2014 queda do rolamento, choques durante o manuseamento ou sobrecarga est\u00e1tica \u2014 deixam marcas permanentes na superf\u00edcie do elemento. Tamb\u00e9m podem ocorrer marcas de falso brinelling devido \u00e0 vibra\u00e7\u00e3o enquanto a m\u00e1quina est\u00e1 parada. Estas marcas geram impactos e concentra\u00e7\u00f5es de tens\u00e3o; o manuseamento cuidadoso e a instala\u00e7\u00e3o correta s\u00e3o a solu\u00e7\u00e3o.<\/p>\n<h2>3. A assinatura de vibra\u00e7\u00e3o<\/h2>\n<h3>Conte\u00fado de frequ\u00eancia<\/h3>\n<p>Os defeitos nos elementos rolantes produzem um padr\u00e3o reconhec\u00edvel no <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spectrum\/\">espetro de vibra\u00e7\u00e3o<\/a>:<\/p>\n<ul>\n<li><strong>Frequ\u00eancia principal:<\/strong> BSF, normalmente 2 a 3 vezes a velocidade de rota\u00e7\u00e3o.<\/li>\n<li><strong>Segunda harm\u00f3nica forte:<\/strong> O 2\u00d7BSF \u00e9 frequentemente maior do que o fundamental, porque o defeito atinge ambas as pistas durante cada rota\u00e7\u00e3o do elemento.<\/li>\n<li><strong>Espa\u00e7amento entre bandas laterais:<\/strong> Bandas laterais FTF (frequ\u00eancia da gaiola) \u2014 <em>n\u00e3o<\/em> 1\u00d7 bandas laterais. Este \u00e9 o principal fator que distingue esta falha de uma falha da pista interna.<\/li>\n<li><strong>Padr\u00e3o:<\/strong> BSF \u00b1 FTF, BSF \u00b1 2\u00d7FTF e assim por diante, formando uma &#8220;cerca&#8221; de picos espa\u00e7ados \u00e0 frequ\u00eancia da gaiola.<\/li>\n<\/ul>\n<p>Como os impulsos s\u00e3o breves e de alta frequ\u00eancia, ficam normalmente ocultos no espetro bruto e s\u00f3 se tornam vis\u00edveis ap\u00f3s a demodula\u00e7\u00e3o. <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/envelope-analysis\/\">An\u00e1lise de envelope<\/a> retifica e aplica um filtro passa-banda ao sinal para revelar a frequ\u00eancia de repeti\u00e7\u00e3o, e o resultado <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/envelope-spectrum\/\">espetro de envelope<\/a> \u00e9 onde a fam\u00edlia BSF\/FTF \u00e9 mais vis\u00edvel. Os grupos intimamente relacionados <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-fault-frequencies\/\">frequ\u00eancias de falhas em rolamentos<\/a> para a pista interna, a pista externa e a gaiola, que completam o conjunto de ferramentas de diagn\u00f3stico.<\/p>\n<h3>Distinguir as quatro falhas de rolamentos<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Caracter\u00edstica<\/th>\n<th>Pista Exterior (<a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bpfo\/\">BPFO<\/a>)<\/th>\n<th>Pista Interior (<a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bpfi\/\">BPFI<\/a>)<\/th>\n<th>Elemento rolante (BSF)<\/th>\n<\/tr>\n<tr>\n<td>Frequ\u00eancia prim\u00e1ria<\/td>\n<td>BPFO (3\u20135\u00d7)<\/td>\n<td>BPFI (5\u20137\u00d7)<\/td>\n<td>BSF (2\u20133\u00d7)<\/td>\n<\/tr>\n<tr>\n<td>Espa\u00e7amento entre bandas laterais<\/td>\n<td>Nenhum ou m\u00ednimo<\/td>\n<td>\u00b11\u00d7 (velocidade do eixo)<\/td>\n<td>\u00b1FTF (velocidade da gaiola)<\/td>\n<\/tr>\n<tr>\n<td>Estabilidade da amplitude<\/td>\n<td>Relativamente est\u00e1vel<\/td>\n<td>Est\u00e1vel<\/td>\n<td>Vari\u00e1vel (depende da posi\u00e7\u00e3o da bola)<\/td>\n<\/tr>\n<tr>\n<td>Ocorr\u00eancia<\/td>\n<td>Mais comum (~40%)<\/td>\n<td>Comum (~35%)<\/td>\n<td>Menos comum (~10\u201315 %)<\/td>\n<\/tr>\n<\/table>\n<h3>Variabilidade da amplitude<\/h3>\n<p>Uma caracter\u00edstica distintiva dos defeitos das esferas \u00e9 que a amplitude medida varia entre as leituras:<\/p>\n<ul>\n<li>Quando o elemento defeituoso passa pela zona de carga, os impactos s\u00e3o fortes e a amplitude \u00e9 elevada.<\/li>\n<li>Quando o mesmo elemento se encontra no lado n\u00e3o carregado do rolamento, o contacto \u00e9 leve e a amplitude diminui.<\/li>\n<li>Esta modula\u00e7\u00e3o \u00e9 determinada pela frequ\u00eancia da gaiola (da\u00ed as bandas laterais FTF) e pode tornar simples <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/trending\/\">tend\u00eancia<\/a> irregular \u2014 mas o pr\u00f3prio facto de o n\u00edvel oscilar para cima e para baixo j\u00e1 \u00e9, por si s\u00f3, um ind\u00edcio de uma avaria num elemento rolante.<\/li>\n<\/ul>\n<h2>4. Evolu\u00e7\u00e3o e consequ\u00eancias<\/h2>\n<h3>Desenvolvimento de defeitos<\/h3>\n<ol>\n<li><strong>Inicia\u00e7\u00e3o:<\/strong> uma pequena fissura superficial ou uma inclus\u00e3o subsuperficial.<\/li>\n<li><strong>Micro-spall:<\/strong> um pequeno peda\u00e7o de material solta-se.<\/li>\n<li><strong>Spall growth:<\/strong> Os impactos nas bordas da fragmenta\u00e7\u00e3o propagam os danos.<\/li>\n<li><strong>V\u00e1rias lascas:<\/strong> Os detritos em circula\u00e7\u00e3o desgastam a superf\u00edcie e provocam novos defeitos.<\/li>\n<li><strong>Fragmenta\u00e7\u00e3o da bola:<\/strong> em casos graves, uma bola inteira racha e parte-se em peda\u00e7os.<\/li>\n<li><strong>Falha total:<\/strong> o rolamento perde a capacidade de suporte de carga, ficando frequentemente preso.<\/li>\n<\/ol>\n<h3>Danos colaterais<\/h3>\n<ul>\n<li><strong>Dano na pista:<\/strong> O elemento defeituoso danifica tanto a pista interna como a externa.<\/li>\n<li><strong>Circula\u00e7\u00e3o de detritos:<\/strong> O material desprendido provoca abras\u00e3o de tr\u00eas corpos em todo o rolamento.<\/li>\n<li><strong>Dano na gaiola:<\/strong> Um elemento rugoso desgasta as cavidades da gaiola.<\/li>\n<li><strong>Deteriora\u00e7\u00e3o r\u00e1pida:<\/strong> Assim que um elemento fica danificado, os outros seguem-se rapidamente, pelo que o intervalo de tempo entre a dete\u00e7\u00e3o da avaria e a falha \u00e9 curto.<\/li>\n<\/ul>\n<h2>5. Causas comuns<\/h2>\n<h3>Defeitos de fabrico e de material<\/h3>\n<ul>\n<li>Inclus\u00f5es internas ou vazios no material do elemento.<\/li>\n<li>Um tratamento t\u00e9rmico inadequado que resulte numa dureza insuficiente ou irregular.<\/li>\n<li>Defeitos no acabamento da superf\u00edcie.<\/li>\n<li>Imperfei\u00e7\u00f5es geom\u00e9tricas, tais como esferas n\u00e3o circulares.<\/li>\n<\/ul>\n<h3>Danos causados pela instala\u00e7\u00e3o<\/h3>\n<ul>\n<li>Impacto durante o manuseamento \u2014 queda ou choque no rolamento.<\/li>\n<li>Brinelling causado por sobrecarga est\u00e1tica, ou falso brinelling causado por vibra\u00e7\u00e3o em repouso.<\/li>\n<li>Contamina\u00e7\u00e3o introduzida durante a montagem, que provoca a incorpora\u00e7\u00e3o de part\u00edculas na superf\u00edcie.<\/li>\n<\/ul>\n<h3>Condi\u00e7\u00f5es de funcionamento<\/h3>\n<ul>\n<li>Lubrifica\u00e7\u00e3o inadequada que provoca danos na superf\u00edcie e microsoldadura.<\/li>\n<li>Sobrecarga que acelera a fadiga por contacto de rolamento.<\/li>\n<li>Corrente el\u00e9trica parasita que atravessa o rolamento, causando sulcos e picadas.<\/li>\n<li>Ambientes corrosivos que atacam as superf\u00edcies dos elementos.<\/li>\n<li>Contamina\u00e7\u00e3o por part\u00edculas s\u00f3lidas que cria indenta\u00e7\u00f5es.<\/li>\n<\/ul>\n<h2>6. Detec\u00e7\u00e3o, diagn\u00f3stico e medidas corretivas<\/h2>\n<h3>An\u00e1lise de vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li>Calcular o BSF e o FTF para a geometria espec\u00edfica do rolamento \u2014 a <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/bearing-defect-frequencies\/\">Calculadora de Frequ\u00eancia de Defeitos em Rolamentos<\/a> converte diretamente a velocidade do eixo e as dimens\u00f5es dos rolamentos em BPFO, BPFI, BSF e FTF.<\/li>\n<li>Procure o pico BSF no espetro de envelope.<\/li>\n<li>Verifique o padr\u00e3o da banda lateral FTF \u2014 a forma mais fi\u00e1vel de confirmar uma avaria nos elementos rolantes.<\/li>\n<li>Verifique o 2\u00d7BSF, cuja amplitude costuma exceder a do fundamental.<\/li>\n<li>Fa\u00e7a v\u00e1rias medi\u00e7\u00f5es; a variabilidade esperada na amplitude \u00e9, por si s\u00f3, confirmat\u00f3ria.<\/li>\n<\/ul>\n<p>No terreno, toda esta sequ\u00eancia \u2014 medir o n\u00edvel de banda larga, capturar o espetro e realizar a an\u00e1lise de envelope \u2014 \u00e9 exatamente o tipo de diagn\u00f3stico de rolamentos para o qual um analisador port\u00e1til de dois canais foi concebido. O <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> regista o espetro FFT e a forma de onda temporal a partir das pr\u00f3prias caixas de rolamentos da m\u00e1quina \u00e0 velocidade de funcionamento, permitindo que um analista identifique a fam\u00edlia BSF e as suas bandas laterais FTF no local, sem necessidade de desmontar a m\u00e1quina, e, em seguida, classifique os danos com uma ferramenta como o <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/bearing-damage-classifier\/\">Classificador de danos em rolamentos (ISO 15243)<\/a>. O mesmo instrumento permite-lhe tamb\u00e9m confirmar se a avaria no rolamento \u00e9 real e n\u00e3o apenas um artefacto estrutural, antes de decidir pela sua substitui\u00e7\u00e3o.<\/p>\n<h3>Inspe\u00e7\u00e3o f\u00edsica<\/h3>\n<ul>\n<li>Desmonte o rolamento e inspecione cada esfera ou rolo individualmente.<\/li>\n<li>Procure por lascas, rachaduras, material incrustado, corros\u00e3o<\/li>\n<li>Verifique a rugosidade da superf\u00edcie \u2014 elementos lisos versus elementos granulados.<\/li>\n<li>Verificar a precis\u00e3o geom\u00e9trica (desvio de circularidade).<\/li>\n<li>Fotografe todos os defeitos para o registo de manuten\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Medidas corretivas e causa principal<\/h3>\n<p>A resposta imediata consiste em aumentar a frequ\u00eancia da monitoriza\u00e7\u00e3o, em conformidade com <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/defect-severity\/\">severidade do defeito<\/a>, planear a substitui\u00e7\u00e3o do rolamento e verificar se as pistas apresentam danos secund\u00e1rios. A solu\u00e7\u00e3o duradoura reside na an\u00e1lise da causa raiz: rever a sele\u00e7\u00e3o e a classifica\u00e7\u00e3o do rolamento, verificar se a lubrifica\u00e7\u00e3o \u00e9 adequada, identificar as fontes de contamina\u00e7\u00e3o, avaliar as pr\u00e1ticas de instala\u00e7\u00e3o e considerar a ado\u00e7\u00e3o de especifica\u00e7\u00f5es de rolamentos mais avan\u00e7adas nos casos em que a avaria tenha ocorrido prematuramente. Incorporar estas conclus\u00f5es num processo estruturado <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/condition-monitoring\/\">monitoriza\u00e7\u00e3o de condi\u00e7\u00f5es<\/a> \u00c9 o programa que transforma uma falha pontual numa falha evitada.<\/p>\n<p>Os defeitos nos elementos rolantes, embora menos comuns do que os defeitos nas pistas de rolamento, exigem uma compreens\u00e3o clara da sua assinatura BSF caracter\u00edstica, com bandas laterais FTF, para um diagn\u00f3stico preciso. A dete\u00e7\u00e3o precoce atrav\u00e9s da an\u00e1lise do envelope permite uma manuten\u00e7\u00e3o planeada muito antes de o defeito evoluir para danos graves no rolamento e uma poss\u00edvel falha catastr\u00f3fica.<\/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 em elementos rolantes de rolamentos, danos em esferas ou rolos, incluindo lascas, rachaduras e falhas de material, detect\u00e1veis por meio da frequ\u00eancia BSF e das bandas laterais FTF.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-20649","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/20649","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\/20649\/revisions"}],"predecessor-version":[{"id":101399,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/20649\/revisions\/101399"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=20649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=20649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=20649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}