{"id":86,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/corrosion\/"},"modified":"2026-05-23T22:47:32","modified_gmt":"2026-05-23T22:47:32","slug":"corrosion","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/corrosion\/","title":{"rendered":"O que \u00e9 corros\u00e3o em m\u00e1quinas rotativas? M\u00e9todos de preven\u00e7\u00e3o."},"content":{"rendered":"<h1>Compreender a corros\u00e3o 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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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>Corros\u00e3o<\/strong> \u00e9 a deteriora\u00e7\u00e3o gradual das superf\u00edcies met\u00e1licas atrav\u00e9s de rea\u00e7\u00f5es eletroqu\u00edmicas ou qu\u00edmicas com o ambiente, resultando em perda de material, rugosidade da superf\u00edcie, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/pitting\/\">picadas<\/a>, bem como o enfraquecimento dos componentes mec\u00e2nicos. Nas m\u00e1quinas rotativas, ataca eixos, rolamentos, engrenagens, carca\u00e7as e elementos estruturais, criando concentra\u00e7\u00f5es de tens\u00e3o que podem provocar <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/fatigue\/\">fadiga<\/a> rachaduras, superf\u00edcies \u00e1speras que aceleram <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/wear\/\">desgaste<\/a>, e \u2014 em casos graves \u2014 provocando falhas estruturais diretas devido \u00e0 perda de material de suporte de carga. \u00c9 frequentemente considerada um mecanismo de degrada\u00e7\u00e3o lento e a longo prazo, mas pode acelerar drasticamente a falha mec\u00e2nica, raz\u00e3o pela qual deve ser controlada atrav\u00e9s da sele\u00e7\u00e3o criteriosa de materiais, revestimentos protetores, controlo ambiental e lubrificantes anticorrosivos.<\/p>\n<h2>1. Defini\u00e7\u00e3o: O que \u00e9 a corros\u00e3o?<\/h2>\n<p>Na sua ess\u00eancia, a corros\u00e3o consiste na transforma\u00e7\u00e3o de um metal refinado num composto de menor energia e mais est\u00e1vel \u2014 geralmente um \u00f3xido, um hidr\u00f3xido ou um sal. A maior parte da corros\u00e3o industrial \u00e9 <em>eletroqu\u00edmica<\/em>: requer um \u00e2nodo (onde o metal se dissolve), um c\u00e1todo (onde ocorre uma rea\u00e7\u00e3o de redu\u00e7\u00e3o), um caminho met\u00e1lico entre ambos e um eletr\u00f3lito, como humidade, condensado ou fluido de processo. Se se retirar qualquer um destes elementos, a rea\u00e7\u00e3o cessa, o que constitui o princ\u00edpio subjacente a quase todas as estrat\u00e9gias de preven\u00e7\u00e3o abaixo apresentadas.<\/p>\n<p>A corros\u00e3o raramente atua isoladamente. Nos equipamentos rotativos, combina-se geralmente com cargas mec\u00e2nicas, pelo que o perigo pr\u00e1tico n\u00e3o reside apenas na perda de espessura da parede, mas na forma como a corros\u00e3o d\u00e1 origem e alimenta outros modos de falha \u2014 fissuras por fadiga, abras\u00e3o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/wear\/\">desgaste<\/a>, perda de ajuste e degrada\u00e7\u00e3o do lubrificante. Um eixo que perca alguns d\u00e9cimos de mil\u00edmetro devido \u00e0 oxida\u00e7\u00e3o geral pode n\u00e3o ser afetado, mas o mesmo eixo com uma \u00fanica cavidade de corros\u00e3o aguda no rasgo de chaveta pode falhar de forma catastr\u00f3fica.<\/p>\n<h2>2. Tipos de corros\u00e3o em m\u00e1quinas<\/h2>\n<h3>Corros\u00e3o uniforme (geral)<\/h3>\n<ul>\n<li><strong>Apar\u00eancia:<\/strong> Aplica\u00e7\u00e3o uniforme em toda a \u00e1rea exposta.<\/li>\n<li><strong>Exemplo:<\/strong> Forma\u00e7\u00e3o de ferrugem em superf\u00edcies de a\u00e7o carbono n\u00e3o protegidas.<\/li>\n<li><strong>Taxa:<\/strong> Previs\u00edvel, quantificado como perda de material por ano (mil\u00e9simos por ano, ou mm\/ano).<\/li>\n<li><strong>Efeito:<\/strong> Redu\u00e7\u00e3o gradual da espessura da parede e aumento geral da rugosidade da superf\u00edcie.<\/li>\n<li><strong>Risco:<\/strong> A forma menos perigosa, uma vez que a evolu\u00e7\u00e3o \u00e9 vis\u00edvel e previs\u00edvel e pode ser tida em conta atrav\u00e9s de uma margem de toler\u00e2ncia \u00e0 corros\u00e3o.<\/li>\n<\/ul>\n<h3>Corros\u00e3o por pite<\/h3>\n<ul>\n<li><strong>Apar\u00eancia:<\/strong> Ataque localizado que cria pequenas cavidades ou sulcos.<\/li>\n<li><strong>Mecanismo:<\/strong> Quebra da pel\u00edcula passiva protetora em pontos espec\u00edficos, onde um pequeno \u00e2nodo provoca uma perda de metal profunda e concentrada.<\/li>\n<li><strong>Perigo:<\/strong> Cada cavidade funciona como um ponto de concentra\u00e7\u00e3o de tens\u00f5es que pode dar origem a uma <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/fatigue\/\">fadiga<\/a> fenda \u2014 muito mais prejudicial do que o seu pequeno volume de perda sugere.<\/li>\n<li><strong>Comum em:<\/strong> A\u00e7os inoxid\u00e1veis e alum\u00ednio em ambientes com cloretos.<\/li>\n<li><strong>Dete\u00e7\u00e3o:<\/strong> Inspe\u00e7\u00e3o visual e ensaio por correntes de Foucault.<\/li>\n<\/ul>\n<h3>Corros\u00e3o em fendas<\/h3>\n<ul>\n<li><strong>Localiza\u00e7\u00e3o:<\/strong> Em fendas, sob juntas e em liga\u00e7\u00f5es roscadas.<\/li>\n<li><strong>Mecanismo:<\/strong> A solu\u00e7\u00e3o estagnada retida numa fenda fica sem oxig\u00e9nio e torna-se quimicamente agressiva.<\/li>\n<li><strong>Natureza oculta:<\/strong> Muitas vezes, n\u00e3o \u00e9 vis\u00edvel sem desmontar.<\/li>\n<li><strong>Comum em:<\/strong> Nas flanges, por baixo dos an\u00e9is de veda\u00e7\u00e3o e na base das roscas.<\/li>\n<\/ul>\n<h3>Corros\u00e3o galv\u00e2nica<\/h3>\n<ul>\n<li><strong>Causa:<\/strong> Dois metais diferentes em contacto el\u00e9trico na presen\u00e7a de um eletr\u00f3lito.<\/li>\n<li><strong>Exemplo:<\/strong> Um eixo de a\u00e7o que gira num rolamento de bronze com contamina\u00e7\u00e3o por \u00e1gua.<\/li>\n<li><strong>Efeito:<\/strong> O metal mais an\u00f3dico (eletroquimicamente ativo) sofre corros\u00e3o preferencialmente, enquanto o metal mais nobre fica protegido.<\/li>\n<li><strong>Preven\u00e7\u00e3o:<\/strong> Isole eletricamente os metais diferentes ou opte por materiais que se encontrem pr\u00f3ximos na s\u00e9rie galv\u00e2nica.<\/li>\n<\/ul>\n<h3>Fissura\u00e7\u00e3o por corros\u00e3o sob tens\u00e3o (SCC)<\/h3>\n<ul>\n<li><strong>Mecanismo:<\/strong> A tens\u00e3o de tra\u00e7\u00e3o prolongada, combinada com um ambiente corrosivo espec\u00edfico, favorece o avan\u00e7o da fissura.<\/li>\n<li><strong>Perigo:<\/strong> Pode provocar uma falha repentina e de aspeto fr\u00e1gil sob tens\u00f5es muito inferiores ao limite de elasticidade do material.<\/li>\n<li><strong>Combina\u00e7\u00f5es comuns:<\/strong> A\u00e7o inoxid\u00e1vel com cloretos; lat\u00e3o com amon\u00edaco.<\/li>\n<li><strong>Preven\u00e7\u00e3o:<\/strong> Sele\u00e7\u00e3o de materiais, al\u00edvio de tens\u00f5es e controlo ambiental.<\/li>\n<\/ul>\n<h3>Corros\u00e3o por atrito<\/h3>\n<ul>\n<li><strong>Mecanismo:<\/strong> Micromovimentos e corros\u00e3o em encaixes por press\u00e3o ou juntas aparafusadas, onde pequenos deslizamentos repetidos desgastam e reoxidam a superf\u00edcie.<\/li>\n<li><strong>Apar\u00eancia:<\/strong> \u00d3xido de ferro castanho-avermelhado (\u00abcacau\u00bb) ou um p\u00f3 preto fino.<\/li>\n<li><strong>Efeito:<\/strong> Frouxa os encaixes com interfer\u00eancia e danifica as superf\u00edcies de contacto.<\/li>\n<li><strong>Comum em:<\/strong> Interfaces entre rolamentos e eixos e encaixes por contra\u00e7\u00e3o sujeitos a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a>.<\/li>\n<\/ul>\n<h2>3. Efeitos nos componentes das m\u00e1quinas<\/h2>\n<h3>Rolamentos<\/h3>\n<ul>\n<li>A corros\u00e3o por pite na superf\u00edcie d\u00e1 in\u00edcio \u00e0 fadiga <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spalling\/\">lascamento<\/a> em pistas de rolamento e elementos rolantes.<\/li>\n<li>Os res\u00edduos de corros\u00e3o transformam-se num abrasivo de corpo estranho no interior do rolamento.<\/li>\n<li>Os produtos da corros\u00e3o contaminam o lubrificante e degradam a pel\u00edcula de \u00f3leo.<\/li>\n<li>A vida \u00fatil dos rolamentos pode ser drasticamente reduzida \u2014 s\u00e3o poss\u00edveis redu\u00e7\u00f5es de 50 a 90 %.<\/li>\n<\/ul>\n<h3>Eixos<\/h3>\n<ul>\n<li>As cavidades de corros\u00e3o funcionam como pontos de in\u00edcio de fissuras por fadiga, o precursor de uma <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/cracked-rotor\/\">rotor trincado<\/a>.<\/li>\n<li>A perda de sec\u00e7\u00e3o reduz o di\u00e2metro efetivo e a resist\u00eancia.<\/li>\n<li>A rugosidade da superf\u00edcie prejudica o funcionamento dos rolamentos e das juntas.<\/li>\n<li>O atrito nas montagens por press\u00e3o solta os componentes montados e altera o equil\u00edbrio do rotor.<\/li>\n<\/ul>\n<h3>Engrenagens<\/h3>\n<ul>\n<li>A corros\u00e3o da superf\u00edcie do dente acelera a fadiga por contacto (corros\u00e3o por pite).<\/li>\n<li>O aumento da rugosidade da superf\u00edcie aumenta o ru\u00eddo e as perdas de engrenagem.<\/li>\n<li>As faces corro\u00eddas ret\u00eam mal o lubrificante, agravando o ciclo de desgaste.<\/li>\n<li>A corros\u00e3o da raiz do dente reduz a resist\u00eancia \u00e0 flex\u00e3o \u2014 ver tamb\u00e9m <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/gear-defects\/\">defeitos de engrenagem<\/a>.<\/li>\n<\/ul>\n<h3>Componentes estruturais<\/h3>\n<ul>\n<li>Capacidade de carga reduzida devido \u00e0 perda de sec\u00e7\u00e3o.<\/li>\n<li>Concentra\u00e7\u00e3o de tens\u00f5es nas cavidades de corros\u00e3o.<\/li>\n<li>Aspeto deteriorado e menor fiabilidade geral.<\/li>\n<li>Corros\u00e3o dos parafusos de fixa\u00e7\u00e3o da funda\u00e7\u00e3o que provoca problemas mec\u00e2nicos <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/looseness\/\">folga<\/a> e reduz a rigidez do suporte.<\/li>\n<\/ul>\n<h2>4. M\u00e9todos de dete\u00e7\u00e3o<\/h2>\n<h3>Inspe\u00e7\u00e3o Visual<\/h3>\n<ul>\n<li>Verifique se h\u00e1 ferrugem, descolora\u00e7\u00e3o e corros\u00e3o por pite.<\/li>\n<li>Verifique se h\u00e1 vest\u00edgios de corros\u00e3o \u2014 dep\u00f3sitos brancos, verdes ou vermelhos.<\/li>\n<li>Verifique se os elementos de fixa\u00e7\u00e3o apresentam ferrugem ou sinais de deteriora\u00e7\u00e3o.<\/li>\n<li>Esteja atento a fugas nas juntas, um ind\u00edcio de corros\u00e3o por fendas oculta.<\/li>\n<\/ul>\n<h3>An\u00e1lise de vibra\u00e7\u00e3o<\/h3>\n<p>A corros\u00e3o n\u00e3o \u00e9 a principal causa de baixas frequ\u00eancias <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a>, mas as suas consequ\u00eancias mec\u00e2nicas s\u00e3o bem vis\u00edveis num programa de an\u00e1lise de vibra\u00e7\u00f5es:<\/p>\n<ul>\n<li>As superf\u00edcies rugosas devido \u00e0 corros\u00e3o provocam vibra\u00e7\u00f5es de alta frequ\u00eancia em banda larga.<\/li>\n<li>As cavidades criam marcas de impacto semelhantes \u00e0s de defeitos mec\u00e2nicos localizados.<\/li>\n<li>Os efeitos secund\u00e1rios s\u00e3o os mais importantes: uma fissura provocada pela corros\u00e3o produz a caracter\u00edstica <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/harmonics\/\">2\u00d7 harm\u00f3nico<\/a> O crescimento de uma fissura num eixo fissurado, e os rolamentos corro\u00eddos apresentam frequ\u00eancias cl\u00e1ssicas de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-defects\/\">defeito no rolamento<\/a> frequ\u00eancias.<\/li>\n<\/ul>\n<p>Como os sintomas surgem gradualmente, \u00e9 necess\u00e1rio realizar exames peri\u00f3dicos <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/trending\/\">tend\u00eancia<\/a> A an\u00e1lise dos n\u00edveis globais e das faixas de frequ\u00eancia dos rolamentos \u00e9 a forma mais pr\u00e1tica de detetar danos causados pela corros\u00e3o antes que estes se agravem.<\/p>\n<h3>Ensaios N\u00e3o Destrutivos<\/h3>\n<p>Quando se suspeita de corros\u00e3o, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/non-destructive-testing\/\">ensaios n\u00e3o destrutivos<\/a> quantifica-o diretamente:<\/p>\n<ul>\n<li><strong>Ensaios por ultrassons:<\/strong> mede a espessura restante da parede.<\/li>\n<li><strong>Corrente de Foucault:<\/strong> deteta corros\u00e3o superficial e corros\u00e3o por pite atrav\u00e9s de um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/eddy-current-probe\/\">sonda de correntes de Foucault<\/a>.<\/li>\n<li><strong>Part\u00edcula magn\u00e9tica:<\/strong> revela fissuras superficiais causadas pela corros\u00e3o.<\/li>\n<li><strong>Radiografia:<\/strong> revela corros\u00e3o interna em \u00e1reas de dif\u00edcil acesso.<\/li>\n<\/ul>\n<h3>An\u00e1lise de \u00f3leo<\/h3>\n<p><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/oil-analysis\/\">An\u00e1lise do \u00f3leo<\/a> capta a qu\u00edmica antes que a mec\u00e2nica falhe:<\/p>\n<ul>\n<li>Determina\u00e7\u00e3o do teor de \u00e1gua (ensaio de Karl Fischer).<\/li>\n<li>Contaminantes corrosivos, tais como \u00e1cidos e sais.<\/li>\n<li>Part\u00edculas met\u00e1licas libertadas pela corros\u00e3o.<\/li>\n<li>An\u00e1lise do pH para detetar condi\u00e7\u00f5es \u00e1cidas que favorecem a corros\u00e3o.<\/li>\n<\/ul>\n<h2>5. Preven\u00e7\u00e3o e controlo<\/h2>\n<h3>Sele\u00e7\u00e3o de materiais<\/h3>\n<ul>\n<li><strong>Ligas resistentes \u00e0 corros\u00e3o:<\/strong> A\u00e7o inoxid\u00e1vel, bronze, ligas especiais para ambientes agressivos<\/li>\n<li><strong>Compatibilidade de materiais:<\/strong> evitar pares galv\u00e2nicos ou isolar os metais diferentes.<\/li>\n<li><strong>Sele\u00e7\u00e3o da liga:<\/strong> escolher a liga adequada para o ambiente corrosivo espec\u00edfico.<\/li>\n<\/ul>\n<h3>Revestimentos protetores<\/h3>\n<ul>\n<li><strong>Tinta:<\/strong> prote\u00e7\u00e3o de barreira para a\u00e7o estrutural.<\/li>\n<li><strong>Revestimento:<\/strong> cromo, n\u00edquel ou zinco para superf\u00edcies cr\u00edticas.<\/li>\n<li><strong>Galvaniza\u00e7\u00e3o:<\/strong> Revestimento de zinco para aplica\u00e7\u00f5es no exterior ou em ambientes h\u00famidos.<\/li>\n<li><strong>Revestimentos especiais:<\/strong> Ep\u00f3xi, cer\u00e2mica, aspers\u00e3o t\u00e9rmica para condi\u00e7\u00f5es severas<\/li>\n<\/ul>\n<h3>Lubrifica\u00e7\u00e3o<\/h3>\n<ul>\n<li>Utilize lubrificantes formulados com inibidores de ferrugem e corros\u00e3o.<\/li>\n<li>Elimine a humidade e os contaminantes do sistema.<\/li>\n<li>Mantenha uma pel\u00edcula de \u00f3leo cont\u00ednua que proteja a superf\u00edcie \u2014 ver <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-lubrication\/\">lubrifica\u00e7\u00e3o de rolamentos<\/a>.<\/li>\n<li>Fa\u00e7a a troca de \u00f3leo na data prevista para remover a \u00e1gua e os \u00e1cidos acumulados.<\/li>\n<\/ul>\n<h3>Controlo ambiental<\/h3>\n<ul>\n<li>Veda\u00e7\u00e3o eficaz para impedir a entrada de humidade.<\/li>\n<li>Desumidifica\u00e7\u00e3o para equipamentos fechados.<\/li>\n<li>Ventila\u00e7\u00e3o para evitar a condensa\u00e7\u00e3o.<\/li>\n<li>Caixas de prote\u00e7\u00e3o para equipamentos de exterior.<\/li>\n<li>Controlo da temperatura para evitar ciclos repetidos de condensa\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Pr\u00e1ticas de Projeto<\/h3>\n<ul>\n<li>Evite fendas onde a corros\u00e3o se possa esconder e acumular.<\/li>\n<li>Assegure uma boa drenagem para que a humidade n\u00e3o se acumule.<\/li>\n<li>Concebido para permitir o acesso para limpeza e inspe\u00e7\u00e3o.<\/li>\n<li>Utilize \u00e2nodos de sacrif\u00edcio nos casos em que a prote\u00e7\u00e3o cat\u00f3dica seja adequada.<\/li>\n<\/ul>\n<h2>6. A corros\u00e3o e o fluxo de trabalho de equilibragem<\/h2>\n<p>A corros\u00e3o prejudica silenciosamente a qualidade da equilibragem. A perda de material num dos lados de um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rotor\/\">rotor<\/a>, a acumula\u00e7\u00e3o de res\u00edduos de produto em \u00e1reas corro\u00eddas ou um contrapeso que se desloca num encaixe desgastado e frouxo alteram a distribui\u00e7\u00e3o da massa e aumentam o 1\u00d7 <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a> resposta. Por este motivo, um rotor que apresentava sinais de corros\u00e3o durante o funcionamento deve ser novamente verificado ap\u00f3s a limpeza ou repara\u00e7\u00e3o, em vez de se partir do princ\u00edpio de que est\u00e1 em boas condi\u00e7\u00f5es. No terreno, isto \u00e9 feito sem desmontagem, utilizando um analisador port\u00e1til de dois canais, como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a>, que mede a amplitude e a fase do 1\u00d7 nos pr\u00f3prios rolamentos da m\u00e1quina, permite corrigir o novo ponto pesado e verifica o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/residual-unbalance\/\">desequil\u00edbrio residual<\/a> em rela\u00e7\u00e3o \u00e0 classe adequada da norma ISO 21940-11. A combina\u00e7\u00e3o dessa verifica\u00e7\u00e3o de vibra\u00e7\u00e3o com a medi\u00e7\u00e3o n\u00e3o destrutiva da espessura da parede proporciona uma vis\u00e3o completa do estado mec\u00e2nico e estrutural de um rotor corro\u00eddo.<\/p>\n<p>A corros\u00e3o, embora seja essencialmente um processo qu\u00edmico, tem consequ\u00eancias mec\u00e2nicas profundas nas m\u00e1quinas rotativas. O seu papel no aparecimento de fissuras por fadiga, na acelera\u00e7\u00e3o do desgaste e na forma\u00e7\u00e3o de defeitos superficiais \u00e9 o que torna a preven\u00e7\u00e3o \u2014 atrav\u00e9s de uma sele\u00e7\u00e3o adequada dos materiais, de medidas de prote\u00e7\u00e3o e do controlo ambiental \u2014 essencial para a fiabilidade e a seguran\u00e7a a longo prazo.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/\">\u2190 Voltar ao \u00edndice principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Aprenda sobre corros\u00e3o, deteriora\u00e7\u00e3o eletroqu\u00edmica de superf\u00edcies met\u00e1licas que causam forma\u00e7\u00e3o de pites, concentra\u00e7\u00e3o de tens\u00e3o e fadiga acelerada em rolamentos, eixos e estruturas.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-86","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/86","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\/86\/revisions"}],"predecessor-version":[{"id":101377,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/86\/revisions\/101377"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=86"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=86"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=86"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}