{"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-br\/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 nos 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-br\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A full kit portable balancer and vibration analyzer\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">Balanceador port\u00e1til &#038; Analisador de vibra\u00e7\u00e3o Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,975.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A vibration sensor close-up\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">Sensor de vibra\u00e7\u00e3o<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>90.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">Sensor \u00d3ptico (Tac\u00f4metro a Laser)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>124.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rotor balancing kit: carry case, multi-channel signal conditioner, handheld analyzer, magnetic base, vibration sensors, and coiled cables.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>6,803.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/magnet-stand\/\" title=\"Suporte Magn\u00e9tico Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnet base.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/magnet-stand\/\" title=\"Suporte Magn\u00e9tico Insize-60-kgf\">Suporte Magn\u00e9tico Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>46.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Fita refletiva\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">Fita refletiva<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>10.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kit contents with interface unit, sensors, tachometer and accessories\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM\">Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,735.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Defeitos nos elementos rolantes<\/strong> s\u00e3o danos, falhas ou imperfei\u00e7\u00f5es nas esferas ou rolos de um rolamento de elementos rolantes. Eles incluem descascamentos superficiais, trincas, contamina\u00e7\u00e3o embutida, inclus\u00f5es de material, corros\u00e3o e imperfei\u00e7\u00f5es geom\u00e9tricas. Quando uma esfera ou rolo danificado gira pelo rolamento, ele atinge tanto a pista interna quanto a externa, gerando <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> na <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bsf\/\">frequ\u00eancia de rota\u00e7\u00e3o da esfera (BSF)<\/a> com caracter\u00edsticas <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/sidebands\/\">bandas laterais<\/a> espa\u00e7adas na <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/ftf\/\">da gaiola, ou frequ\u00eancia fundamental do conjunto (FTF)<\/a>. Os defeitos nos elementos rolantes s\u00e3o um dos quatro cl\u00e1ssicos defeitos localizados <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bearing-defects\/\">defeitos de rolamento<\/a>, juntamente com falhas na pista interna, pista externa e na gaiola.<\/p>\n<p>Eles s\u00e3o menos comuns do que os defeitos nas pistas, representando aproximadamente 10\u201315% das falhas de rolamentos, mas quando ocorrem produzem uma assinatura distinta, \u00e0s vezes confusa, e podem progredir rapidamente para uma falha completa do rolamento. Como a falha gira com o elemento em vez de permanecer fixa na zona de carga, sua vibra\u00e7\u00e3o se comporta de maneira diferente de uma falha na pista \u2014 uma peculiaridade que \u00e9 tanto uma dica diagn\u00f3stica quanto um desafio para o monitoramento de tend\u00eancias.<\/p>\n<h2>1. Defini\u00e7\u00e3o: O que s\u00e3o Defeitos nos Elementos Rolantes?<\/h2>\n<p>Um elemento rolante \u2014 a esfera em um rolamento de esferas, o cilindro, rolo agulha ou rolo c\u00f4nico em um rolamento de rolos \u2014 \u00e9 o componente que realmente suporta a carga entre as duas pistas enquanto rola. Sua superf\u00edcie \u00e9 uma superf\u00edcie de a\u00e7o para rolamentos endurecida em profundidade e acabada com precis\u00e3o, que deve permanecer geometricamente perfeita para rolar limpa. Qualquer viola\u00e7\u00e3o dessa superf\u00edcie, seja originada na sider\u00fargica ou infligida durante o servi\u00e7o, torna-se um concentrador de tens\u00e3o e uma fonte de impacto.<\/p>\n<p>Cada vez que o defeito no elemento entra em contato com uma pista, ele produz um pequeno impulso. Ao longo de uma \u00f3rbita completa da gaiola, o elemento entra em contato com a pista externa uma vez e com a pista interna uma vez, portanto, um \u00fanico defeito tende a gerar dois impactos por rota\u00e7\u00e3o do elemento \u2014 \u00e9 por isso que o segundo harm\u00f4nico, 2\u00d7BSF, \u00e9 t\u00e3o proeminente no espectro. A taxa de repeti\u00e7\u00e3o desses impactos \u00e9 fixada pela geometria do rolamento (di\u00e2metro da esfera, di\u00e2metro primitivo, \u00e2ngulo de contato e n\u00famero de elementos), dando \u00e0 falha uma frequ\u00eancia de assinatura calcul\u00e1vel que \u00e9 inconfundivelmente diferente de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/running-speed\/\">velocidade de opera\u00e7\u00e3o<\/a> ou sua <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/harmonics\/\">harm\u00f4nicos<\/a>.<\/p>\n<h2>2. Tipos de Defeitos nos Elementos Rolantes<\/h2>\n<h3>Descascamentos superficiais<\/h3>\n<p>O defeito mais comum nos elementos rolantes. A fadiga por contato de rolamento faz com que um fragmento de material se desprenda da superf\u00edcie, deixando um cratera ou pitting. Os descascamentos geralmente t\u00eam de 0,5 a 3 mm de di\u00e2metro no in\u00edcio, mas crescem \u00e0 medida que as bordas afiadas da cavidade batem nas pistas e soltam mais detritos. Cada passagem do descascamento sobre uma pista produz um impacto, gerando vibra\u00e7\u00e3o na BSF e um 2\u00d7BSF frequentemente dominante. (Veja <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/spalling\/\">descascamento superficial<\/a> para o mecanismo de fadiga subjacente.)<\/p>\n<h3>Trincas<\/h3>\n<p>As trincas surgem de sobrecarga, danos por impacto ou fadiga e podem ser superficiais ou sub-superficiais. Uma trinca se propaga at\u00e9 que um peda\u00e7o se solte \u2014 momento em que se torna um descascamento. As trincas s\u00e3o dif\u00edceis de detectar antes que isso aconte\u00e7a e, em casos graves, uma esfera pode fraturar e fragmentar, produzindo uma falha catastr\u00f3fica s\u00fabita.<\/p>\n<h3>Inclus\u00f5es de material<\/h3>\n<p>Um defeito de fabrica\u00e7\u00e3o: material estranho ou um vazio preso no a\u00e7o do rolamento. As inclus\u00f5es criam uma concentra\u00e7\u00e3o de tens\u00e3o que inicia a fadiga prematura, geralmente indetect\u00e1vel at\u00e9 que o descascamento se desenvolva ao redor da inclus\u00e3o. A\u00e7o para rolamentos limpo e de alta qualidade \u00e9 a \u00fanica preven\u00e7\u00e3o real.<\/p>\n<h3>Contamina\u00e7\u00e3o embutida<\/h3>\n<p>Part\u00edculas duras \u2014 sujeira, gr\u00e2nulos de retifica\u00e7\u00e3o, cavacos de metal \u2014 pressionadas na superf\u00edcie do elemento formam um sali\u00eancia elevada que martela as pistas em cada passagem. A indenta\u00e7\u00e3o tamb\u00e9m se torna um concentrador de tens\u00e3o que pode nucleiar um descascamento. O resultado \u00e9 vibra\u00e7\u00e3o de impacto na BSF, e a causa raiz \u00e9 quase sempre veda\u00e7\u00e3o ou filtragem inadequada, a mesma cadeia de eventos coberta sob <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bearing-lubrication\/\">lubrifica\u00e7\u00e3o do mancal<\/a> limpeza.<\/p>\n<h3>Corros\u00e3o e danos por umidade<\/h3>\n<p>A entrada de \u00e1gua ou condensa\u00e7\u00e3o produz manchas de ferrugem, <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/pitting\/\">pitting<\/a>, e aspereza superficial. As \u00e1reas corro\u00eddas atuam como locais de inicia\u00e7\u00e3o de fadiga. Veda\u00e7\u00e3o adequada e lubrificantes com inibidores de corros\u00e3o previnem isso.<\/p>\n<h3>Brinelling e amassamentos<\/h3>\n<p>Carga de impacto \u2014 deixar o rolamento cair, choque durante o manuseio ou sobrecarga est\u00e1tica \u2014 deixa indenta\u00e7\u00f5es permanentes na superf\u00edcie do elemento. O falso brinelling tamb\u00e9m pode ocorrer devido \u00e0 vibra\u00e7\u00e3o enquanto a m\u00e1quina est\u00e1 parada. Esses amassados geram impactos e concentra\u00e7\u00f5es de tens\u00e3o; manuseio cuidadoso e instala\u00e7\u00e3o correta s\u00e3o a cura.<\/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-br\/glossary\/spectrum\/\">espectro de vibra\u00e7\u00e3o<\/a>:<\/p>\n<ul>\n<li><strong>Frequ\u00eancia prim\u00e1ria:<\/strong> BSF, tipicamente 2\u20133\u00d7 a velocidade de opera\u00e7\u00e3o.<\/li>\n<li><strong>Segundo harm\u00f4nico forte:<\/strong> 2\u00d7BSF \u00e9 frequentemente maior que a fundamental, porque o defeito atinge ambas as pistas durante cada rota\u00e7\u00e3o do elemento.<\/li>\n<li><strong>Espa\u00e7amento das bandas laterais:<\/strong> Bandas laterais da FTF (frequ\u00eancia da gaiola) \u2014 <em>n\u00e3o<\/em> bandas laterais de 1\u00d7. Este \u00e9 o discriminador chave de uma falha na pista interna.<\/li>\n<li><strong>Padr\u00e3o:<\/strong> BSF \u00b1 FTF, BSF \u00b1 2\u00d7FTF e assim por diante, construindo uma &#8220;cerca de estacas&#8221; de picos espa\u00e7ados na frequ\u00eancia da gaiola.<\/li>\n<\/ul>\n<p>Como os impactos s\u00e3o breves e de alta frequ\u00eancia, eles geralmente est\u00e3o enterrados no espectro bruto e s\u00f3 emergem claramente ap\u00f3s a demodula\u00e7\u00e3o. <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/envelope-analysis\/\">An\u00e1lise de envelope<\/a> retifica e filtra em banda passante o sinal para expor a taxa de repeti\u00e7\u00e3o, e o resultante <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/envelope-spectrum\/\">espectro de envelope<\/a> \u00e9 onde a fam\u00edlia BSF\/FTF \u00e9 mais vis\u00edvel. O estreitamente relacionado <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bearing-fault-frequencies\/\">frequ\u00eancias de falha de rolamento<\/a> para a pista interna, pista externa e gaiola completam o conjunto de ferramentas diagn\u00f3sticas.<\/p>\n<h3>Diferenciando as quatro falhas de rolamento<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Recurso<\/th>\n<th>Pista Externa (<a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bpfo\/\">BPFO<\/a>)<\/th>\n<th>Pista Interna (<a href=\"https:\/\/vibromera.eu\/pt-br\/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 das 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 esfera)<\/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 marcante dos defeitos nas esferas \u00e9 que a amplitude medida varia entre as leituras:<\/p>\n<ul>\n<li>Quando o elemento defeituoso rola pela zona de carga, os impactos s\u00e3o firmes e a amplitude \u00e9 alta.<\/li>\n<li>Quando o mesmo elemento est\u00e1 no lado n\u00e3o carregado do rolamento, o contato \u00e9 leve e a amplitude cai.<\/li>\n<li>Essa modula\u00e7\u00e3o \u00e9 governada pela frequ\u00eancia da gaiola (da\u00ed as bandas laterais FTF) e pode tornar simples <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/trending\/\">tend\u00eancia<\/a> err\u00e1ticos \u2014 mas o pr\u00f3prio fato de o n\u00edvel subir e descer j\u00e1 \u00e9 diagn\u00f3stico de um defeito no elemento rolante.<\/li>\n<\/ul>\n<h2>4. Progress\u00e3o e Consequ\u00eancias<\/h2>\n<h3>Desenvolvimento do defeito<\/h3>\n<ol>\n<li><strong>In\u00edcio:<\/strong> uma pequena trinca superficial ou uma inclus\u00e3o subsuperficial.<\/li>\n<li><strong>Micro-descascamento:<\/strong> um pequeno peda\u00e7o de material se solta.<\/li>\n<li><strong>Crescimento do descascamento:<\/strong> impactos nas bordas do descascamento propagam o dano.<\/li>\n<li><strong>M\u00faltiplos descascamentos:<\/strong> detritos em circula\u00e7\u00e3o abrasam a superf\u00edcie e semeiam novos defeitos.<\/li>\n<li><strong>Fragmenta\u00e7\u00e3o da esfera:<\/strong> em casos graves, uma esfera inteira trinca e se parte.<\/li>\n<li><strong>Falha completa:<\/strong> o rolamento perde capacidade de carga, frequentemente travando.<\/li>\n<\/ol>\n<h3>Danos secund\u00e1rios<\/h3>\n<ul>\n<li><strong>Dano nas pistas:<\/strong> o elemento defeituoso risca tanto a pista interna quanto a externa.<\/li>\n<li><strong>Circula\u00e7\u00e3o de detritos:<\/strong> material descascado provoca abras\u00e3o de tr\u00eas corpos em todo o rolamento.<\/li>\n<li><strong>Dano na gaiola:<\/strong> um elemento desgastado desgasta os bolsos da gaiola.<\/li>\n<li><strong>Deteriora\u00e7\u00e3o r\u00e1pida:<\/strong> uma vez que um elemento \u00e9 danificado, os outros seguem rapidamente, ent\u00e3o a janela entre o defeito detect\u00e1vel e a falha \u00e9 curta.<\/li>\n<\/ul>\n<h2>5. Causas Comuns<\/h2>\n<h3>Defeitos de fabrica\u00e7\u00e3o e de material<\/h3>\n<ul>\n<li>Inclus\u00f5es internas ou vazios no material do elemento.<\/li>\n<li>Tratamento t\u00e9rmico inadequado, deixando dureza insuficiente ou irregular.<\/li>\n<li>Defeitos de acabamento superficial.<\/li>\n<li>Imperfei\u00e7\u00f5es geom\u00e9tricas, como esferas fora de redondo.<\/li>\n<\/ul>\n<h3>Danos durante a instala\u00e7\u00e3o<\/h3>\n<ul>\n<li>Impacto durante o manuseio \u2014 queda ou batida no rolamento.<\/li>\n<li>Brinelling por sobrecarga est\u00e1tica, ou falso brinelling por vibra\u00e7\u00e3o enquanto parado.<\/li>\n<li>Contamina\u00e7\u00e3o introduzida durante o ajuste, incorporando part\u00edculas na superf\u00edcie.<\/li>\n<\/ul>\n<h3>Condi\u00e7\u00f5es operacionais<\/h3>\n<ul>\n<li>Lubrifica\u00e7\u00e3o inadequada, causando distresse superficial e micro-soldagem.<\/li>\n<li>Sobrecarga que acelera a fadiga de contato rolante.<\/li>\n<li>Corrente el\u00e9trica parasita passando pelo rolamento, causando sulcos e pites.<\/li>\n<li>Ambientes corrosivos atacando as superf\u00edcies dos elementos.<\/li>\n<li>Contamina\u00e7\u00e3o por part\u00edculas duras criando indenta\u00e7\u00f5es.<\/li>\n<\/ul>\n<h2>6. Detec\u00e7\u00e3o, Diagn\u00f3stico e A\u00e7\u00e3o Corretiva<\/h2>\n<h3>Vibration analysis<\/h3>\n<ul>\n<li>Calcule BSF e FTF para a geometria espec\u00edfica do rolamento \u2014 um <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/bearing-defect-frequencies\/\">Calculadora de Frequ\u00eancia de Defeito de Rolamento<\/a> converte a velocidade do eixo e as dimens\u00f5es do rolamento diretamente em BPFO, BPFI, BSF e FTF.<\/li>\n<li>Procure o pico BSF no espectro de envelope.<\/li>\n<li>Verifique o padr\u00e3o de bandas laterais FTF \u2014 a confirma\u00e7\u00e3o mais confi\u00e1vel de um defeito no elemento rolante.<\/li>\n<li>Verifique 2\u00d7BSF, que frequentemente excede a fundamental em amplitude.<\/li>\n<li>Realize v\u00e1rias medi\u00e7\u00f5es; a variabilidade de amplitude esperada \u00e9, por si s\u00f3, confirmat\u00f3ria.<\/li>\n<\/ul>\n<p>Em campo, toda essa sequ\u00eancia \u2014 medir o n\u00edvel de banda larga, capturar o espectro e executar a an\u00e1lise de envelope \u2014 \u00e9 exatamente o tipo de diagn\u00f3stico de rolamento para o qual um analisador port\u00e1til de dois canais foi projetado. O <a href=\"https:\/\/vibromera.eu\/pt-br\/produto\/balanset-1\/\">Balanset-1A<\/a> registra o espectro FFT e a forma de onda no tempo a partir dos pr\u00f3prios mancais da m\u00e1quina na velocidade de opera\u00e7\u00e3o, para que um analista possa identificar a fam\u00edlia BSF e suas bandas laterais FTF no local, sem desmontar a m\u00e1quina, e ent\u00e3o classificar o dano com uma ferramenta como o <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/bearing-damage-classifier\/\">Classificador de Danos em Rolamentos (ISO 15243)<\/a>. O mesmo instrumento tamb\u00e9m permite confirmar que a falha no rolamento \u00e9 genu\u00edna e n\u00e3o apenas um artefato estrutural antes de comprometer uma 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 descascamentos, trincas, material embutido e corros\u00e3o.<\/li>\n<li>Sinta a rugosidade da superf\u00edcie \u2014 elementos lisos versus \u00e1speros.<\/li>\n<li>Verifique a precis\u00e3o geom\u00e9trica (ovaliza\u00e7\u00e3o).<\/li>\n<li>Fotografe cada defeito para o registro de manuten\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>A\u00e7\u00e3o corretiva e causa raiz<\/h3>\n<p>A resposta imediata \u00e9 aumentar a frequ\u00eancia de monitoramento de acordo com a <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/defect-severity\/\">severidade do defeito<\/a>, planejar a substitui\u00e7\u00e3o do rolamento e verificar as pistas de rolamento quanto a danos secund\u00e1rios. A solu\u00e7\u00e3o duradoura reside na an\u00e1lise da causa raiz: revisar a sele\u00e7\u00e3o e a classifica\u00e7\u00e3o do rolamento, verificar a adequa\u00e7\u00e3o da lubrifica\u00e7\u00e3o, identificar fontes de contamina\u00e7\u00e3o, auditar a pr\u00e1tica de instala\u00e7\u00e3o e considerar uma especifica\u00e7\u00e3o de rolamento aprimorada onde a falha tenha sido prematura. Alimentar essas descobertas de volta em um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/condition-monitoring\/\">monitoramento de condi\u00e7\u00e3o<\/a> programa \u00e9 o que transforma uma falha isolada em uma falha evitada.<\/p>\n<p>Os defeitos nos elementos rolantes, embora menos comuns que os defeitos nas pistas de rolamento, exigem uma compreens\u00e3o clara de sua assinatura BSF distintiva com bandas laterais FTF para um diagn\u00f3stico preciso. A detec\u00e7\u00e3o precoce por meio da an\u00e1lise de envelope permite a manuten\u00e7\u00e3o planejada muito antes que o defeito se propague para danos graves no rolamento e poss\u00edvel falha catastr\u00f3fica.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/\">\u2190 Voltar ao \u00cdndice Principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about rolling element defects in bearings, damage to balls or rollers including spalls, cracks, and material flaws, detectable through BSF frequency and FTF sidebands.<\/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-br\/wp-json\/wp\/v2\/glossary\/20649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/20649\/revisions"}],"predecessor-version":[{"id":101399,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/20649\/revisions\/101399"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/media?parent=20649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/categories?post=20649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/tags?post=20649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}