{"id":220,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rotor-rub\/"},"modified":"2026-05-23T22:53:37","modified_gmt":"2026-05-23T22:53:37","slug":"rotor-rub","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/rotor-rub\/","title":{"rendered":"O que \u00e9 atrito do rotor? \u00c9 o contato entre pe\u00e7as rotativas e estacion\u00e1rias."},"content":{"rendered":"<h1>Entendendo o atrito do rotor em m\u00e1quinas rotativas<\/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\/220?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\/220?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\/220?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\/220?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\/220?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\/220?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\/220?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\/220?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\/220?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\" 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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\/220?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\/220?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\/220?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\/220?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>Atrito do rotor<\/strong> \u2014 tamb\u00e9m conhecido como atrito ou contacto entre o rotor e o estator \u2014 \u00e9 uma situa\u00e7\u00e3o em que os componentes rotativos de uma m\u00e1quina entram em contacto intermitente ou cont\u00ednuo com pe\u00e7as fixas, tais como vedantes, caixas de rolamentos ou paredes da carca\u00e7a. Esse contacto gera for\u00e7as de atrito, produz calor local intenso e cria um ru\u00eddo altamente caracter\u00edstico <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> um padr\u00e3o que pode evoluir para uma avaria catastr\u00f3fica a uma velocidade alarmante. O atrito \u00e9 especialmente perigoso porque cria um ciclo de retroalimenta\u00e7\u00e3o positiva: a vibra\u00e7\u00e3o provoca atrito, o atrito gera calor, o calor produz um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/thermal-bow\/\">arco t\u00e9rmico<\/a> No eixo, a flex\u00e3o aumenta a vibra\u00e7\u00e3o, e a vibra\u00e7\u00e3o mais intensa provoca um atrito mais intenso. Este ciclo t\u00e9rmico-mec\u00e2nico pode destruir uma m\u00e1quina em poucos minutos, assim que se instala.<\/p>\n<h2>1. Tipos de atrito do rotor<\/h2>\n<p>Os atritos s\u00e3o normalmente classificados em fun\u00e7\u00e3o da \u00e1rea da superf\u00edcie do rotor que est\u00e1 em contacto e da dura\u00e7\u00e3o desse contacto. A progress\u00e3o de um contacto leve para um contacto intenso reflete o aumento do perigo:<\/p>\n<ul>\n<li><strong>Toque leve (contacto intermitente):<\/strong> contacto breve e ocasional nos pontos m\u00e1ximos do ciclo de deflex\u00e3o, muitas vezes apenas a determinadas velocidades ou condi\u00e7\u00f5es de carga. Provoca picos de vibra\u00e7\u00e3o irregulares e intermitentes, geralmente ao n\u00edvel das juntas ou das folgas do labirinto. Pode ser tolerado por um curto per\u00edodo de tempo, mas indica sempre um problema que necessita de corre\u00e7\u00e3o.<\/li>\n<li><strong>Atrito parcial (contacto leve e cont\u00ednuo):<\/strong> o rotor ro\u00e7a continuamente uma superf\u00edcie fixa, mas com um atrito leve, mantendo a rota\u00e7\u00e3o enquanto gera um fluxo cont\u00ednuo <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/sub-synchronous\/\">subs\u00edncrono<\/a> ou vibra\u00e7\u00e3o s\u00edncrona, calor e res\u00edduos de desgaste. Se n\u00e3o for tratada, tende a evoluir para um atrito intenso.<\/li>\n<li><strong>Atrito intenso (contacto anular total):<\/strong> O rotor entra em contacto com o estator ao longo de uma grande parte ou de toda a circunfer\u00eancia, com for\u00e7as de atrito muito elevadas, um r\u00e1pido aumento da temperatura de centenas de graus em poucos minutos e vibra\u00e7\u00f5es intensas, muitas vezes ca\u00f3ticas. Tal situa\u00e7\u00e3o pode conduzir ao bloqueio do rotor ou a uma avaria catastr\u00f3fica, exigindo um desligamento de emerg\u00eancia imediato.<\/li>\n<\/ul>\n<h2>2. Locais comuns de atrito do rotor<\/h2>\n<p>Os atritos concentram-se nos pontos onde o espa\u00e7o \u00e9 mais reduzido. Os locais mais comuns s\u00e3o:<\/p>\n<ul>\n<li><strong>Vedantes labir\u00ednticos:<\/strong> Devido \u00e0s folgas deliberadamente reduzidas, o atrito das juntas \u00e9 o problema mais comum.<\/li>\n<li><strong>Rolamentos de reten\u00e7\u00e3o (de captura):<\/strong> rolamentos de emerg\u00eancia concebidos para reter o eixo em caso de avaria grave.<\/li>\n<li><strong>Veda\u00e7\u00f5es do pist\u00e3o de equil\u00edbrio:<\/strong> encontrados em compressores e bombas de m\u00faltiplos est\u00e1gios.<\/li>\n<li><strong>Diafragmas entre est\u00e1gios:<\/strong> em turbinas.<\/li>\n<li><strong>Caixas de rolamentos:<\/strong> em casos graves em que o eixo entra em contacto com a tampa do rolamento.<\/li>\n<li><strong>Mangas de veio:<\/strong> as mangas de prote\u00e7\u00e3o instaladas nos pontos de veda\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>3. Causas do atrito do rotor<\/h2>\n<p>Qualquer coisa que aumente o movimento do eixo ou reduza a folga pode provocar um atrito.<\/p>\n<h3>Vibra\u00e7\u00e3o excessiva<\/h3>\n<p>Forte <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a> provocando uma grande deflex\u00e3o do eixo, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">desalinhamento<\/a> gerando movimento adicional do eixo, funcionamento a uma <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/critical-speed\/\">velocidade cr\u00edtica<\/a> com amplifica\u00e7\u00e3o ressonante, e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rotor-instability\/\">instabilidade do rotor<\/a> como o efeito de chicote de \u00f3leo ou o redemoinho de vapor, todos empurram o rotor contra o ambiente fixo que o rodeia.<\/p>\n<h3>Folga insuficiente<\/h3>\n<p>Montagem incorreta que deixa uma folga radial insuficiente, expans\u00e3o t\u00e9rmica que reduz as folgas durante o aquecimento, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-wear\/\">desgaste dos rolamentos<\/a> O movimento excessivo do eixo e o assentamento da base, que aproxima as pe\u00e7as fixas do rotor, s\u00e3o causas frequentes.<\/p>\n<h3>Eventos transit\u00f3rios<\/h3>\n<p>Ultrapassar uma velocidade cr\u00edtica durante o arranque ou <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/coastdown\/\">desacelera\u00e7\u00e3o<\/a>, altera\u00e7\u00f5es bruscas na carga que provocam a deflex\u00e3o do eixo, eventos de desligamento e paragens de emerg\u00eancia, bem como condi\u00e7\u00f5es de excesso de velocidade, podem, cada um deles, provocar um atrito moment\u00e2neo ou prolongado.<\/p>\n<h2>4. Assinaturas de vibra\u00e7\u00e3o do atrito do rotor<\/h2>\n<p>O atrito produz alguns dos sinais mais reconhec\u00edveis \u2014 e mais ca\u00f3ticos \u2014 na an\u00e1lise de vibra\u00e7\u00f5es, precisamente porque a for\u00e7a de atrito \u00e9 fortemente n\u00e3o linear.<\/p>\n<h3>Padr\u00f5es caracter\u00edsticos<\/h3>\n<ul>\n<li><strong>Componentes subs\u00edncronos:<\/strong> frequ\u00eancias inferiores a 1\u00d7 (normalmente 1\/2\u00d7, 1\/3\u00d7, 1\/4\u00d7) geradas pela precess\u00e3o retr\u00f3grada durante o contacto.<\/li>\n<li><strong>Harm\u00f3nicos m\u00faltiplos:<\/strong> 1\u00d7, 2\u00d7, 3\u00d7, 4\u00d7 e mais, resultantes da natureza n\u00e3o linear e limitada da for\u00e7a de atrito \u2014 uma caracter\u00edstica tamb\u00e9m observada em <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/harmonics\/\">rico em harm\u00f3nicas<\/a> espectros.<\/li>\n<li><strong>Comportamento imprevis\u00edvel:<\/strong> mudan\u00e7as repentinas e imprevis\u00edveis em <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/amplitude\/\">amplitude<\/a> e frequ\u00eancia.<\/li>\n<li><strong>Ru\u00eddo de banda larga:<\/strong> conte\u00fado aleat\u00f3rio de alta frequ\u00eancia resultante do atrito e de microimpactos.<\/li>\n<li><strong>Instabilidade de fase:<\/strong> a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/phase\/\">\u00e2ngulo de fase<\/a> vaga de forma irregular, em vez de se manter est\u00e1vel.<\/li>\n<\/ul>\n<h3>Caracter\u00edsticas espectrais e orbitais<\/h3>\n<p>O <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spectrum\/\">espetro<\/a> apresenta in\u00fameros picos em ordens fracion\u00e1rias e inteiras sobre um ru\u00eddo de fundo elevado, e muda de forma r\u00e1pida e imprevis\u00edvel de uma captura para a seguinte; um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/waterfall-plot\/\">gr\u00e1fico em cascata<\/a> revela componentes de frequ\u00eancia que aparecem e desaparecem. O <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/orbit\/\">\u00f3rbita do eixo<\/a> \u00e9 igualmente revelador: torna-se irregular e distorcido, desenvolve cantos acentuados ou pontos achatados nos pontos de contacto, muda de forma \u00e0 medida que a intensidade do atrito varia e apresenta frequentemente componentes de precess\u00e3o inversa (para tr\u00e1s) \u2014 a \u00abimpress\u00e3o digital\u00bb orbital de um atrito.<\/p>\n<h2>5. Consequ\u00eancias e danos<\/h2>\n<p>Os danos causados pelo atrito desenvolvem-se por fases, desde o desgaste recuper\u00e1vel at\u00e9 \u00e0 destrui\u00e7\u00e3o total.<\/p>\n<h3>Efeitos imediatos<\/h3>\n<ul>\n<li><strong>Aquecimento por atrito:<\/strong> O contacto gera um calor local intenso, sendo perfeitamente poss\u00edvel atingir temperaturas entre 300 e 600 \u00b0C no ponto de atrito.<\/li>\n<li><strong>Flex\u00e3o t\u00e9rmica:<\/strong> O aquecimento assim\u00e9trico deforma o eixo, o que agrava o atrito \u2014 o cerne da espiral de retroalimenta\u00e7\u00e3o.<\/li>\n<li><strong>Desgaste e res\u00edduos:<\/strong> O material \u00e9 removido tanto do eixo como do estator, e as part\u00edculas resultantes contaminam os rolamentos e as juntas.<\/li>\n<\/ul>\n<h3>Danos secund\u00e1rios e catastr\u00f3ficos<\/h3>\n<ul>\n<li><strong>Destrui\u00e7\u00e3o de selos:<\/strong> dentes do labirinto desgastados ou partidos, comprometendo a estanqueidade.<\/li>\n<li><strong>Sobrecarga do rolamento:<\/strong> As for\u00e7as de atrito exercem carga e geram calor nos rolamentos.<\/li>\n<li><strong>Curvatura permanente do eixo:<\/strong> Um aquecimento intenso pode provocar uma deforma\u00e7\u00e3o pl\u00e1stica que persiste ap\u00f3s a paragem.<\/li>\n<li><strong>Riscas, grippagem e fraturas no eixo:<\/strong> sulcos desgastados no eixo, bloqueio total devido a atrito intenso ou uma fissura que se inicia na zona afetada pelo calor \u2014 um caminho para <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/shaft-crack\/\">fissura\u00e7\u00e3o do veio<\/a> e falha.<\/li>\n<li><strong>Queda do rotor e risco de inc\u00eandio:<\/strong> Uma avaria nos rolamentos devido ao sobreaquecimento pode fazer com que o rotor caia sobre os rolamentos de reten\u00e7\u00e3o ou a carca\u00e7a, enquanto detritos quentes ou fa\u00edscas podem incendiar materiais inflam\u00e1veis.<\/li>\n<\/ul>\n<h2>6. Detec\u00e7\u00e3o, diagn\u00f3stico e medi\u00e7\u00e3o no terreno<\/h2>\n<p>Para detetar um atrito numa fase inicial, \u00e9 necess\u00e1rio estar atento tanto aos dados de vibra\u00e7\u00e3o como ao estado f\u00edsico da m\u00e1quina.<\/p>\n<h3>Indicadores de an\u00e1lise de vibra\u00e7\u00f5es<\/h3>\n<ul>\n<li>Aparecimento repentino de m\u00faltiplos componentes subs\u00edncronos<\/li>\n<li>Padr\u00f5es de vibra\u00e7\u00e3o irregulares e n\u00e3o repet\u00edveis.<\/li>\n<li>Aumentos acentuados no n\u00edvel geral de vibra\u00e7\u00e3o.<\/li>\n<li>Vibra\u00e7\u00e3o que se altera imediatamente ap\u00f3s uma mudan\u00e7a de velocidade.<\/li>\n<li>Padr\u00f5es orbitais invulgares com caracter\u00edsticas bem definidas.<\/li>\n<\/ul>\n<h3>Provas materiais<\/h3>\n<ul>\n<li>P\u00f3 ou part\u00edculas met\u00e1licas nas caixas dos rolamentos.<\/li>\n<li>Marcas de desgaste vis\u00edveis ou riscos nas superf\u00edcies expostas do eixo.<\/li>\n<li>Componentes da veda\u00e7\u00e3o danificados ou gastos.<\/li>\n<li>Aumento da temperatura dos rolamentos.<\/li>\n<li>Raspagem ou tritura\u00e7\u00e3o aud\u00edvel.<\/li>\n<\/ul>\n<p>Uma vez que as assinaturas de vibra\u00e7\u00e3o mudam t\u00e3o rapidamente, o desafio pr\u00e1tico no terreno consiste em captar o espetro completo, rico em harm\u00f3nicas, o n\u00edvel geral vari\u00e1vel e a \u00f3rbita do eixo numa m\u00e1quina em funcionamento. Um instrumento port\u00e1til de dois canais, como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> permite que um engenheiro me\u00e7a a amplitude, a fase e o espetro harm\u00f3nico nos rolamentos durante um funcionamento controlado, o que ajuda a distinguir um atrito em desenvolvimento de um simples desequil\u00edbrio e indica ao analista se o contacto est\u00e1 a agravar-se de ciclo para ciclo \u2014 a diferen\u00e7a entre um desligamento controlado e uma paragem de emerg\u00eancia.<\/p>\n<h2>7. Resposta a emerg\u00eancias, preven\u00e7\u00e3o e prote\u00e7\u00e3o<\/h2>\n<p>O atrito \u00e9 uma situa\u00e7\u00e3o de emerg\u00eancia, e a resposta deve estar \u00e0 altura da sua gravidade:<\/p>\n<ol>\n<li><strong>Avaliar a severidade:<\/strong> Um atrito ligeiro pode permitir um desligamento controlado; um atrito forte exige uma paragem de emerg\u00eancia imediata.<\/li>\n<li><strong>Reduzir a velocidade:<\/strong> Se for seguro faz\u00ea-lo, reduza a velocidade gradualmente, observando a vibra\u00e7\u00e3o.<\/li>\n<li><strong>Monitorizar as temperaturas:<\/strong> O aumento da temperatura dos rolamentos indica um agravamento do estado.<\/li>\n<li><strong>Desligar:<\/strong> Desligue a m\u00e1quina se a vibra\u00e7\u00e3o continuar a aumentar ou se as temperaturas subirem rapidamente.<\/li>\n<li><strong>N\u00e3o reiniciar:<\/strong> aguarde at\u00e9 que as dist\u00e2ncias de seguran\u00e7a sejam verificadas e o local de atrito seja identificado.<\/li>\n<li><strong>Registe o evento:<\/strong> registar dados relativos a vibra\u00e7\u00f5es, temperaturas e velocidades para an\u00e1lise.<\/li>\n<\/ol>\n<p>A preven\u00e7\u00e3o atua em tr\u00eas frentes. <strong>Por projeto<\/strong>, garantir uma folga radial adequada em todos os pontos onde possa ocorrer atrito, ter em conta a dilata\u00e7\u00e3o t\u00e9rmica, aplicar revestimentos abrasivos nas veda\u00e7\u00f5es para limitar os danos causados por atritos ligeiros e instalar rolamentos de reten\u00e7\u00e3o para limitar a deflex\u00e3o em situa\u00e7\u00f5es extremas. <strong>Por opera\u00e7\u00e3o<\/strong>, manter uma boa <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/equilibrio-2\/\">equil\u00edbrio<\/a> e preciso <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/laser-shaft-alignment\/\">alinhamento do eixo<\/a> para minimizar a deforma\u00e7\u00e3o, seguir os procedimentos adequados de aquecimento para controlar a dilata\u00e7\u00e3o t\u00e9rmica e evitar operar a velocidades cr\u00edticas. <strong>Atrav\u00e9s da monitoriza\u00e7\u00e3o e prote\u00e7\u00e3o<\/strong>, defina os alarmes de vibra\u00e7\u00e3o abaixo do limiar de atrito, monitorize as temperaturas dos rolamentos e das juntas, utilize <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/proximity-probe\/\">sondas de proximidade<\/a> para monitorizar a posi\u00e7\u00e3o e a folga do eixo, bem como para armar o desligamento autom\u00e1tico em caso de vibra\u00e7\u00e3o excessiva. Compreender as suas causas, reconhecer as suas assinaturas caracter\u00edsticas e incorporar prote\u00e7\u00e3o adequada s\u00e3o essenciais para o funcionamento seguro de equipamentos de alta velocidade e folgas apertadas, tais como turbinas e compressores.<\/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 o atrito do rotor, o contato entre eixos rotativos e componentes estacion\u00e1rios que causa vibra\u00e7\u00e3o err\u00e1tica, danos t\u00e9rmicos e potencial falha catastr\u00f3fica.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-220","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/220","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\/220\/revisions"}],"predecessor-version":[{"id":101405,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/220\/revisions\/101405"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}