{"id":234,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/shaft-crack\/"},"modified":"2026-05-23T22:53:50","modified_gmt":"2026-05-23T22:53:50","slug":"shaft-crack","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/shaft-crack\/","title":{"rendered":"O que \u00e9 uma fissura em um eixo? Detec\u00e7\u00e3o e diagn\u00f3stico."},"content":{"rendered":"<h1>Compreender as fissuras em eixos de 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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple 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class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" title=\"Fita refletora\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Fita refletora\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" title=\"Fita refletora\">Fita refletora<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/234?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\/234?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\/234?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\/234?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>A <strong>fissura no veio<\/strong> \u00e9 uma fratura ou descontinuidade num veio rotativo que se desenvolve devido \u00e0 fadiga, \u00e0 concentra\u00e7\u00e3o de tens\u00f5es ou a uma falha do material. As fissuras come\u00e7am quase sempre na superf\u00edcie e propagam-se para dentro, avan\u00e7ando perpendicularmente \u00e0 dire\u00e7\u00e3o da tens\u00e3o m\u00e1xima de tra\u00e7\u00e3o. Nas m\u00e1quinas rotativas, est\u00e3o entre os defeitos mais perigosos de todos, porque uma fenda pode passar de uma fissura capilar indetet\u00e1vel para uma fratura completa do veio numa quest\u00e3o de horas ou dias, com potencial para uma falha catastr\u00f3fica e com risco de vida. A vantagem \u00e9 que uma fissura em desenvolvimento denuncia-se a si pr\u00f3pria no <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> sinal - mais carateristicamente atrav\u00e9s de um componente ascendente 2\u00d7 (duas vezes por revolu\u00e7\u00e3o) - t\u00e3o disciplinado <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration-analysis\/\">an\u00e1lise de vibra\u00e7\u00e3o<\/a> oferece uma verdadeira hip\u00f3tese de o apanhar antes que ele se solte.<\/p>\n<h2>1. Defini\u00e7\u00e3o: O que \u00e9 uma fissura no veio?<\/h2>\n<p>Mecanicamente, uma fenda \u00e9 uma regi\u00e3o onde o veio perdeu a sua continuidade e, por conseguinte, a sua rigidez. \u00c0 medida que o veio roda, a fenda abre e fecha alternadamente sob a tens\u00e3o de flex\u00e3o oscilante, e esta \u201crespira\u00e7\u00e3o\u201d faz com que a rigidez do veio varie com a posi\u00e7\u00e3o angular. Esta assimetria \u00e9 a raiz dos sinais de diagn\u00f3stico discutidos abaixo, e \u00e9 o que separa uma fissura transversal verdadeira de uma fissura permanente. <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/shaft-bow\/\">arco de eixo<\/a> ou um simples <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a>. O fen\u00f3meno mais amplo, quando a fenda progrediu o suficiente para alterar o comportamento de todo o rotor, \u00e9 por vezes tratado sob o t\u00edtulo de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/cracked-rotor\/\">rotor trincado<\/a>.<\/p>\n<h2>2. Causas comuns de fissuras nos veios<\/h2>\n<h3>Fadiga por tens\u00f5es c\u00edclicas<\/h3>\n<p>A causa dominante nas m\u00e1quinas rotativas, a fadiga acumula danos num ciclo de tens\u00e3o de cada vez:<\/p>\n<ul>\n<li><strong>Fadiga por flex\u00e3o:<\/strong> um veio rotativo com rigidez irregular ou cargas descentradas sofre uma tens\u00e3o de flex\u00e3o c\u00edclica totalmente invertida.<\/li>\n<li><strong>Fadiga por tor\u00e7\u00e3o:<\/strong> bin\u00e1rio oscilante em veios de transmiss\u00e3o de pot\u00eancia provoca <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/torsional-vibration\/\">vibra\u00e7\u00e3o torcional<\/a> e fadiga.<\/li>\n<li><strong>Fadiga de alto ciclo:<\/strong> milh\u00f5es de ciclos acumulam-se ao longo dos anos, pelo que mesmo tens\u00f5es modestas podem eventualmente dar origem a uma fissura.<\/li>\n<li><strong>Concentra\u00e7\u00e3o de tens\u00f5es:<\/strong> ranhuras de chaveta, furos transversais, filetes e outras descontinuidades geom\u00e9tricas aumentam localmente a tens\u00e3o e s\u00e3o os locais habituais de inicia\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Condi\u00e7\u00f5es de funcionamento<\/h3>\n<ul>\n<li><strong>Desequil\u00edbrio excessivo:<\/strong> a elevada for\u00e7a centr\u00edfuga aumenta a tens\u00e3o de flex\u00e3o c\u00edclica.<\/li>\n<li><strong>Desalinhamento:<\/strong> os momentos flectores de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">desalinhamento<\/a> acelerar a fadiga.<\/li>\n<li><strong>Opera\u00e7\u00e3o de resson\u00e2ncia:<\/strong> a funcionar num ou perto de um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/critical-speed\/\">velocidade cr\u00edtica<\/a> produz grandes deflex\u00f5es e tens\u00f5es.<\/li>\n<li><strong>Sobrecarga:<\/strong> que funcionam para al\u00e9m dos limites previstos no projeto.<\/li>\n<li><strong>Stress t\u00e9rmico:<\/strong> aquecimento ou arrefecimento r\u00e1pido e gradientes t\u00e9rmicos acentuados, que tamb\u00e9m podem produzir uma <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/thermal-bow\/\">arco t\u00e9rmico<\/a>.<\/li>\n<\/ul>\n<h3>Defeitos de material e de fabrico<\/h3>\n<ul>\n<li><strong>Inclus\u00f5es materiais:<\/strong> esc\u00f3ria, vazios ou mat\u00e9rias estranhas no material do veio.<\/li>\n<li><strong>Tratamento t\u00e9rmico incorreto:<\/strong> endurecimento ou t\u00eampera inadequados.<\/li>\n<li><strong>Defeitos de maquinagem:<\/strong> marcas de ferramentas, goivas ou arranh\u00f5es que actuam como concentradores de tens\u00e3o.<\/li>\n<li><strong>Corros\u00e3o por picadas:<\/strong> picadas superficiais que servem como locais de inicia\u00e7\u00e3o de fissuras.<\/li>\n<li><strong>Desgaste por fretting:<\/strong> em interfaces de encaixe por press\u00e3o ou ranhuras de chaveta, onde o micro-movimento danifica a superf\u00edcie.<\/li>\n<\/ul>\n<h3>Eventos operacionais<\/h3>\n<ul>\n<li><strong>Eventos de excesso de velocidade:<\/strong> emerg\u00eancia ou excesso de velocidade acidental que imponha tens\u00f5es elevadas.<\/li>\n<li><strong>Ro\u00e7amentos severos:<\/strong> <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rotor-rub\/\">fric\u00e7\u00e3o do rotor<\/a> O contato gera calor e concentra\u00e7\u00e3o de tens\u00e3o local.<\/li>\n<li><strong>Carga de impacto:<\/strong> Sobrecargas repentinas devido a perturba\u00e7\u00f5es no processo ou choques mec\u00e2nicos<\/li>\n<li><strong>Repara\u00e7\u00f5es anteriores:<\/strong> soldadura ou maquinagem que deixa tens\u00f5es residuais.<\/li>\n<\/ul>\n<h2>3. Sintomas de vibra\u00e7\u00e3o de um veio fendido<\/h2>\n<h3>A componente 2\u00d7 carater\u00edstica<\/h3>\n<p>A assinatura carater\u00edstica de uma fissura transversal do veio \u00e9 uma proeminente <strong>2\u00d7 (segundo-harm\u00f3nico)<\/strong> e vale a pena compreender com exatid\u00e3o o mecanismo que lhe est\u00e1 subjacente:<\/p>\n<ul>\n<li>Quando o veio roda, a fenda abre-se e fecha-se duas vezes por rota\u00e7\u00e3o.<\/li>\n<li>Quando a fenda est\u00e1 do lado da compress\u00e3o (mais abaixo na rota\u00e7\u00e3o), fecha-se e o veio fica mais r\u00edgido.<\/li>\n<li>Quando oscila para o lado da tens\u00e3o (superior na rota\u00e7\u00e3o), abre-se e o veio fica mais flex\u00edvel.<\/li>\n<li>Esta oscila\u00e7\u00e3o da rigidez duas vezes por revolu\u00e7\u00e3o \u00e9, ela pr\u00f3pria, uma fun\u00e7\u00e3o for\u00e7adora 2\u00d7.<\/li>\n<li>A amplitude 2\u00d7 cresce \u00e0 medida que a fenda se aprofunda e a assimetria de rigidez aumenta \u2014 raz\u00e3o pela qual a <em>tend\u00eancia<\/em> \u00e9 t\u00e3o importante como o n\u00edvel absoluto.<\/li>\n<\/ul>\n<h3>Indicadores de vibra\u00e7\u00e3o adicionais<\/h3>\n<ul>\n<li><strong>1\u00d7 mudan\u00e7as:<\/strong> um aumento gradual da componente 1\u00d7 \u00e0 medida que se altera a rigidez e se desenvolve um arco residual.<\/li>\n<li><strong>Harm\u00f3nicos superiores:<\/strong> 3\u00d7 e 4\u00d7 podem aparecer \u00e0 medida que a severidade aumenta.<\/li>\n<li><strong>Mudan\u00e7as de fase:<\/strong> a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/phase\/\">fase<\/a> o \u00e2ngulo muda durante o arranque ou a desacelera\u00e7\u00e3o e a diferentes velocidades.<\/li>\n<li><strong>Comportamento dependente da velocidade:<\/strong> a vibra\u00e7\u00e3o pode variar de forma n\u00e3o linear com a velocidade.<\/li>\n<li><strong>Sensibilidade \u00e0 temperatura:<\/strong> As leituras podem registar a expans\u00e3o t\u00e9rmica \u00e0 medida que abre ou fecha a fenda.<\/li>\n<\/ul>\n<h3>Comportamento no arranque e na desacelera\u00e7\u00e3o<\/h3>\n<ul>\n<li>O componente 2\u00d7 comporta-se de forma invulgar durante os transientes.<\/li>\n<li>A <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bode-plot\/\">Diagrama de Bode<\/a> pode apresentar dois picos de resson\u00e2ncia, um a metade de cada velocidade cr\u00edtica, \u00e0 medida que a excita\u00e7\u00e3o 2\u00d7 varre.<\/li>\n<li>A progress\u00e3o de fase do componente 1\u00d7 pode diferir acentuadamente de uma resposta de desequil\u00edbrio normal.<\/li>\n<\/ul>\n<h2>4. M\u00e9todos de dete\u00e7\u00e3o<\/h2>\n<h3>Monitoriza\u00e7\u00e3o de vibra\u00e7\u00f5es e medi\u00e7\u00f5es no terreno<\/h3>\n<p>Dado que o alerta \u00e9 espetral e progressivo, a medi\u00e7\u00e3o regular \u00e9 a primeira linha de defesa:<\/p>\n<ul>\n<li><strong>Tend\u00eancias:<\/strong> observar o r\u00e1cio 2\u00d7\/1\u00d7 ao longo do tempo; uma subida constante \u00e9 um aviso, e um r\u00e1cio superior a cerca de 0,5 justifica uma investiga\u00e7\u00e3o. Mudan\u00e7as repentinas de padr\u00e3o s\u00e3o igualmente suspeitas.<\/li>\n<li><strong>An\u00e1lise espetral:<\/strong> rotina <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/fft\/\">FFT<\/a> comparadas com um hist\u00f3rico <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/baseline\/\">linha de base<\/a>, expor o surgimento ou crescimento de um pico 2\u00d7.<\/li>\n<li><strong>An\u00e1lise transiente:<\/strong> <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/waterfall-plot\/\">gr\u00e1ficos em cascata<\/a> e os gr\u00e1ficos de Bode do arranque e da desacelera\u00e7\u00e3o revelam um comportamento invulgar nas passagens de velocidade cr\u00edtica.<\/li>\n<\/ul>\n<p>A capta\u00e7\u00e3o da amplitude e da fase dos componentes 1\u00d7 e 2\u00d7 \u00e9 exatamente a medi\u00e7\u00e3o que um analisador port\u00e1til de dois canais torna rotineira. Com um instrumento com refer\u00eancia de fase como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a>, um t\u00e9cnico pode registar os vetores 1\u00d7 e 2\u00d7 nas chumaceiras durante o funcionamento normal e em cada desacelera\u00e7\u00e3o, construindo a tend\u00eancia que distingue um 2\u00d7 benigno de um que est\u00e1 a subir \u2014 a diferen\u00e7a entre uma paragem planeada e uma avaria n\u00e3o planeada.<\/p>\n<h3>M\u00e9todos n\u00e3o vibrat\u00f3rios<\/h3>\n<p>Uma tend\u00eancia de vibra\u00e7\u00e3o suspeita deve ser sempre confirmada por <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/non-destructive-testing\/\">ensaios n\u00e3o destrutivos<\/a>:<\/p>\n<ul>\n<li><strong>Inspe\u00e7\u00e3o por part\u00edculas magn\u00e9ticas (MPI):<\/strong> deteta fissuras superficiais e pr\u00f3ximas da superf\u00edcie com elevada fiabilidade em veios ferromagn\u00e9ticos acess\u00edveis; um elemento b\u00e1sico das inspe\u00e7\u00f5es de rotina de paragem.<\/li>\n<li><strong>Ensaio por ultra-sons (UT):<\/strong> deteta fissuras internas e superficiais e pode encontr\u00e1-las antes do aparecimento de qualquer sintoma de vibra\u00e7\u00e3o; necessita de equipamento especializado e de pessoal qualificado e \u00e9 o m\u00e9todo de elei\u00e7\u00e3o para veios cr\u00edticos.<\/li>\n<li><strong>Inspe\u00e7\u00e3o por penetra\u00e7\u00e3o de corante:<\/strong> um m\u00e9todo simples de dete\u00e7\u00e3o de fissuras superficiais que requer limpeza e prepara\u00e7\u00e3o da superf\u00edcie, \u00fatil para \u00e1reas acess\u00edveis durante uma paragem.<\/li>\n<li><strong>Ensaios por correntes parasitas:<\/strong> dete\u00e7\u00e3o de fissuras superficiais sem contacto que se adequa \u00e0 inspe\u00e7\u00e3o automatizada e funciona tanto em materiais magn\u00e9ticos como n\u00e3o magn\u00e9ticos.<\/li>\n<\/ul>\n<h2>5. Resposta e ac\u00e7\u00f5es corretivas<\/h2>\n<h3>Ac\u00e7\u00f5es imediatas ap\u00f3s a dete\u00e7\u00e3o<\/h3>\n<ol>\n<li><strong>Aumentar a frequ\u00eancia de controlo:<\/strong> passar de mensal para semanal ou di\u00e1rio.<\/li>\n<li><strong>Reduzir a severidade do funcionamento:<\/strong> reduzir a velocidade ou a carga sempre que poss\u00edvel.<\/li>\n<li><strong>Planear um encerramento:<\/strong> Agende o reparo ou a substitui\u00e7\u00e3o assim que for seguro faz\u00ea-lo.<\/li>\n<li><strong>Realizar END (Ensaios N\u00e3o Destrutivos):<\/strong> confirmar a presen\u00e7a da fissura e avaliar diretamente a sua gravidade.<\/li>\n<li><strong>Avalia\u00e7\u00e3o dos riscos:<\/strong> decidir formalmente se \u00e9 seguro continuar a funcionar.<\/li>\n<\/ol>\n<h3>Solu\u00e7\u00f5es a longo prazo<\/h3>\n<ul>\n<li><strong>Substitui\u00e7\u00e3o do veio:<\/strong> o rem\u00e9dio mais fi\u00e1vel para uma fissura confirmada.<\/li>\n<li><strong>Repara\u00e7\u00e3o (casos limitados):<\/strong> algumas fissuras podem ser maquinadas e reconstru\u00eddas com soldadura, mas s\u00f3 depois de uma avalia\u00e7\u00e3o especializada.<\/li>\n<li><strong>An\u00e1lise das causas profundas:<\/strong> determinar a raz\u00e3o pela qual a fissura se formou para que n\u00e3o se repita.<\/li>\n<li><strong>Altera\u00e7\u00f5es de conce\u00e7\u00e3o:<\/strong> aliviar as concentra\u00e7\u00f5es de tens\u00e3o, melhorar a sele\u00e7\u00e3o de materiais ou alterar o regime de funcionamento.<\/li>\n<\/ul>\n<h2>6. Estrat\u00e9gias de preven\u00e7\u00e3o<\/h2>\n<h3>Fase de conce\u00e7\u00e3o<\/h3>\n<ul>\n<li>Eliminar os cantos afiados e as concentra\u00e7\u00f5es de tens\u00e3o.<\/li>\n<li>Utilizar raios de filete generosos nas mudan\u00e7as de di\u00e2metro.<\/li>\n<li>Especificar materiais adequados ao n\u00edvel de tens\u00e3o e ao ambiente.<\/li>\n<li>Efetuar an\u00e1lises de tens\u00f5es por elementos finitos em geometria cr\u00edtica.<\/li>\n<li>Aplicar tratamentos de superf\u00edcie, como a granalhagem ou a nitrura\u00e7\u00e3o, para aumentar a resist\u00eancia \u00e0 fadiga.<\/li>\n<\/ul>\n<h3>Fase operacional<\/h3>\n<ul>\n<li>Manter bom <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/balance-quality\/\">qualidade de equil\u00edbrio<\/a> para minimizar as tens\u00f5es de flex\u00e3o c\u00edclicas.<\/li>\n<li>Assegurar um alinhamento de precis\u00e3o.<\/li>\n<li>Evitar o funcionamento cont\u00ednuo a velocidades cr\u00edticas.<\/li>\n<li>Prevenir eventos de excesso de velocidade.<\/li>\n<li>Controlar a tens\u00e3o t\u00e9rmica com procedimentos adequados de aquecimento e arrefecimento.<\/li>\n<\/ul>\n<h3>Fase de manuten\u00e7\u00e3o<\/h3>\n<ul>\n<li>Inspecionar regularmente utilizando os m\u00e9todos NDE adequados.<\/li>\n<li>Executar um programa de vibra\u00e7\u00e3o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/trending\/\">tend\u00eancia<\/a> programa para detetar sintomas precoces.<\/li>\n<li>Reequilibrar periodicamente para manter baixas as tens\u00f5es de fadiga \u2014 no local <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/equilibrio-de-campos\/\">equilibragem no local<\/a> torna isto pr\u00e1tico sem retirar o rotor.<\/li>\n<li>Manter a prote\u00e7\u00e3o contra a corros\u00e3o e os revestimentos.<\/li>\n<\/ul>\n<p>As fissuras nos veios representam um dos modos de falha mais graves em maquinaria rotativa, em que a consequ\u00eancia da falta de uma \u00e9 medida em bens destru\u00eddos e pessoas em perigo. A combina\u00e7\u00e3o \u00e9 o que funciona: monitoriza\u00e7\u00e3o da vibra\u00e7\u00e3o para assinalar a assinatura caracter\u00edstica 2\u00d7 numa fase precoce e exame n\u00e3o destrutivo peri\u00f3dico para confirmar e dimensionar o que a vibra\u00e7\u00e3o apenas sugere. Em conjunto, permitem uma manuten\u00e7\u00e3o planeada e controlada \u2014 e evitam que uma microfissura silenciosa se transforme numa fratura s\u00fabita e violenta.<\/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 trincas em eixos de m\u00e1quinas rotativas, suas causas, caracter\u00edsticas de vibra\u00e7\u00e3o, incluindo componentes 2X, e m\u00e9todos cr\u00edticos de detec\u00e7\u00e3o para evitar falhas catastr\u00f3ficas.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-234","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/234","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\/234\/revisions"}],"predecessor-version":[{"id":101407,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/234\/revisions\/101407"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}