{"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-br\/glossary\/shaft-crack\/","title":{"rendered":"O que \u00e9 uma Trinca de Eixo? Detec\u00e7\u00e3o e Diagn\u00f3stico"},"content":{"rendered":"<h1>Compreendendo Trincas 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-br\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A full kit portable balancer and vibration analyzer\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">Balanceador port\u00e1til &#038; Analisador de vibra\u00e7\u00e3o Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,975.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A vibration sensor close-up\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">Sensor de vibra\u00e7\u00e3o<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>90.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">Sensor \u00d3ptico (Tac\u00f4metro a Laser)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>124.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rotor balancing kit: carry case, multi-channel signal conditioner, handheld analyzer, magnetic base, vibration sensors, and coiled cables.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>6,803.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/magnet-stand\/\" title=\"Suporte Magn\u00e9tico Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnet base.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/magnet-stand\/\" title=\"Suporte Magn\u00e9tico Insize-60-kgf\">Suporte Magn\u00e9tico Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>46.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/234?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Adicione ao carrinho: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Fita refletiva\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">Fita refletiva<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>10.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kit contents with interface unit, sensors, tachometer and accessories\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM\">Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,735.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/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=\"Adicione ao carrinho: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p>A <strong>trincas no eixo<\/strong> \u00e9 uma fratura ou descontinuidade em um eixo rotativo que se desenvolve devido \u00e0 fadiga, concentra\u00e7\u00e3o de tens\u00e3o ou um defeito de material. As trincas quase sempre come\u00e7am na superf\u00edcie e se propagam para o interior, avan\u00e7ando perpendicularmente \u00e0 dire\u00e7\u00e3o da m\u00e1xima tens\u00e3o de tra\u00e7\u00e3o. Em m\u00e1quinas rotativas, elas est\u00e3o entre os defeitos mais perigosos de todos, porque uma trinca pode evoluir de uma fissura invis\u00edvel a uma fratura completa do eixo em quest\u00e3o de horas ou dias, com o potencial de uma falha catastr\u00f3fica e que coloca vidas em risco. A salva\u00e7\u00e3o \u00e9 que uma trinca em desenvolvimento se revela no <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> sinal \u2014 mais caracteristicamente atrav\u00e9s de um componente crescente em 2\u00d7 (duas vezes por revolu\u00e7\u00e3o) \u2014 ent\u00e3o um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration-analysis\/\">an\u00e1lise de vibra\u00e7\u00e3o<\/a> oferece uma chance real de detect\u00e1-la antes que ela se rompa.<\/p>\n<h2>1. Defini\u00e7\u00e3o: O que \u00e9 uma Trinca de Eixo?<\/h2>\n<p>Mecanicamente, uma trinca \u00e9 uma regi\u00e3o onde o eixo perdeu sua continuidade e, portanto, sua rigidez. \u00c0 medida que o eixo gira, a trinca se abre e se fecha alternadamente sob a tens\u00e3o de flex\u00e3o oscilante, e esse &#8220;respiro&#8221; faz com que a rigidez do eixo varie com a posi\u00e7\u00e3o angular. Essa assimetria \u00e9 a raiz das assinaturas diagn\u00f3sticas discutidas abaixo, e \u00e9 o que separa uma verdadeira trinca transversal de um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/shaft-bow\/\">empenamento do eixo<\/a> ou um simples <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/unbalance\/\">desbalanceamento<\/a>. O fen\u00f4meno mais amplo, quando a trinca progrediu o suficiente para alterar o comportamento de todo o rotor, \u00e9 \u00e0s vezes tratado sob o t\u00edtulo de um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/cracked-rotor\/\">rotor trincado<\/a>.<\/p>\n<h2>2. Causas Comuns de Trincas de Eixo<\/h2>\n<h3>Fadiga por tens\u00f5es c\u00edclicas<\/h3>\n<p>A causa dominante em m\u00e1quinas rotativas, a fadiga acumula danos um ciclo de tens\u00e3o de cada vez:<\/p>\n<ul>\n<li><strong>Fadiga por flex\u00e3o:<\/strong> um eixo rotativo com rigidez desigual ou cargas exc\u00eantricas sofre tens\u00e3o de flex\u00e3o c\u00edclica totalmente reversa.<\/li>\n<li><strong>Fadiga torsional:<\/strong> o torque oscilante em eixos de transmiss\u00e3o de pot\u00eancia impulsiona <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/torsional-vibration\/\">vibra\u00e7\u00e3o torsional<\/a> e fadiga.<\/li>\n<li><strong>Fadiga de alto ciclo:<\/strong> milh\u00f5es de ciclos se acumulam ao longo de anos, ent\u00e3o mesmo tens\u00f5es modestas podem eventualmente iniciar uma trinca.<\/li>\n<li><strong>Concentra\u00e7\u00e3o de tens\u00e3o:<\/strong> rasgos de chaveta, furos transversais, ra\u00edes e outras descontinuidades geom\u00e9tricas amplificam localmente a tens\u00e3o e s\u00e3o os locais habituais de inicia\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Condi\u00e7\u00f5es operacionais<\/h3>\n<ul>\n<li><strong>Desbalanceamento excessivo:<\/strong> alta for\u00e7a centr\u00edfuga adiciona tens\u00e3o de flex\u00e3o c\u00edclica.<\/li>\n<li><strong>Desalinhamento:<\/strong> os momentos de flex\u00e3o de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/misalignment\/\">desalinhamento<\/a> aceleram a fadiga.<\/li>\n<li><strong>Opera\u00e7\u00e3o em resson\u00e2ncia:<\/strong> operar em ou perto de uma <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/critical-speed\/\">velocidade cr\u00edtica<\/a> produz grandes deflex\u00f5es e tens\u00f5es.<\/li>\n<li><strong>Sobrecarga:<\/strong> operar al\u00e9m dos limites de projeto.<\/li>\n<li><strong>Tens\u00e3o t\u00e9rmica:<\/strong> aquecimento ou resfriamento r\u00e1pidos e gradientes t\u00e9rmicos acentuados, que tamb\u00e9m podem produzir um transit\u00f3rio <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/thermal-bow\/\">empenamento t\u00e9rmico<\/a>.<\/li>\n<\/ul>\n<h3>Defeitos de material e fabrica\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Inclus\u00f5es de material:<\/strong> esc\u00f3ria, vazios ou mat\u00e9ria estranha no material do eixo.<\/li>\n<li><strong>Tratamento t\u00e9rmico inadequado:<\/strong> t\u00eampera ou revenimento inadequados.<\/li>\n<li><strong>Defeitos de usinagem:<\/strong> marcas de ferramenta, rebarbas ou arranh\u00f5es atuando como concentradores de tens\u00e3o.<\/li>\n<li><strong>Pites de corros\u00e3o:<\/strong> pites superficiais que servem como locais de inicia\u00e7\u00e3o de trincas.<\/li>\n<li><strong>Fretting:<\/strong> em interfaces de ajuste com interfer\u00eancia ou rasgos de chaveta, onde micro-movimento danifica a superf\u00edcie.<\/li>\n<\/ul>\n<h3>Eventos operacionais<\/h3>\n<ul>\n<li><strong>Eventos de sobrerota\u00e7\u00e3o:<\/strong> sobrerota\u00e7\u00e3o de emerg\u00eancia ou acidental que imp\u00f5e altas tens\u00f5es.<\/li>\n<li><strong>Atritos severos:<\/strong> <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-rub\/\">rotor rub<\/a> contato que gera calor e concentra\u00e7\u00e3o de tens\u00e3o local.<\/li>\n<li><strong>Carregamento por impacto:<\/strong> cargas s\u00fabitas provenientes de perturba\u00e7\u00f5es do processo ou choques mec\u00e2nicos.<\/li>\n<li><strong>Reparos anteriores:<\/strong> soldagem ou usinagem que deixa tens\u00f5es residuais.<\/li>\n<\/ul>\n<h2>3. Sintomas de Vibra\u00e7\u00e3o de um Eixo Rachado<\/h2>\n<h3>O componente 2\u00d7 caracter\u00edstico<\/h3>\n<p>A assinatura marcante de uma trinca transversal no eixo \u00e9 um proeminente <strong>2\u00d7 (segunda harm\u00f4nica)<\/strong> componente, e o mecanismo por tr\u00e1s disso vale a pena entender precisamente:<\/p>\n<ul>\n<li>\u00c0 medida que o eixo gira, a trinca abre e fecha duas vezes por revolu\u00e7\u00e3o.<\/li>\n<li>Quando a trinca est\u00e1 no lado de compress\u00e3o (inferior na rota\u00e7\u00e3o), ela fecha e o eixo \u00e9 mais r\u00edgido.<\/li>\n<li>Quando ela balan\u00e7a para o lado de tra\u00e7\u00e3o (superior na rota\u00e7\u00e3o), ela abre e o eixo \u00e9 mais flex\u00edvel.<\/li>\n<li>Essa oscila\u00e7\u00e3o de rigidez duas vezes por revolu\u00e7\u00e3o \u00e9 em si uma fun\u00e7\u00e3o de excita\u00e7\u00e3o 2\u00d7.<\/li>\n<li>A amplitude 2\u00d7 cresce \u00e0 medida que a trinca se aprofunda e a assimetria de rigidez aumenta \u2014 o que \u00e9 por isso que o <em>tend\u00eancia<\/em> importa tanto quanto o n\u00edvel absoluto.<\/li>\n<\/ul>\n<h3>Indicadores adicionais de vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Mudan\u00e7as em 1\u00d7:<\/strong> uma eleva\u00e7\u00e3o gradual no componente 1\u00d7 \u00e0 medida que a rigidez alterada e um empenamento residual se desenvolvem.<\/li>\n<li><strong>Harm\u00f4nicos superiores:<\/strong> 3\u00d7 e 4\u00d7 podem aparecer \u00e0 medida que a severidade cresce.<\/li>\n<li><strong>Deslocamentos de fase:<\/strong> o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/phase\/\">fase<\/a> mudan\u00e7as de \u00e2ngulo durante a partida ou parada por in\u00e9rcia e em 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 acompanhar a expans\u00e3o t\u00e9rmica \u00e0 medida que ela abre ou fecha a trinca.<\/li>\n<\/ul>\n<h3>Comportamento de partida e parada por in\u00e9rcia<\/h3>\n<ul>\n<li>O componente 2\u00d7 comporta-se de forma incomum durante transientes.<\/li>\n<li>A <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bode-plot\/\">Gr\u00e1fico de Bode<\/a> pode mostrar dois picos ressonantes, um na 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 marcadamente de uma resposta normal de desbalanceamento.<\/li>\n<\/ul>\n<h2>4. M\u00e9todos de detec\u00e7\u00e3o<\/h2>\n<h3>Monitoramento de vibra\u00e7\u00e3o e medi\u00e7\u00e3o em campo<\/h3>\n<p>Como o aviso \u00e9 espectral e progressivo, a medi\u00e7\u00e3o regular \u00e9 a linha de frente da defesa:<\/p>\n<ul>\n<li><strong>Tend\u00eancia (Trending):<\/strong> observe a raz\u00e3o 2\u00d7\/1\u00d7 ao longo do tempo; uma subida constante \u00e9 um aviso, e uma raz\u00e3o acima de aproximadamente 0,5 merece investiga\u00e7\u00e3o. Mudan\u00e7as s\u00fabitas de padr\u00e3o s\u00e3o igualmente suspeitas.<\/li>\n<li><strong>An\u00e1lise espectral:<\/strong> medi\u00e7\u00f5es de rotina <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/fft\/\">FFT<\/a> comparadas contra um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/baseline\/\">valor de refer\u00eancia<\/a>hist\u00f3rico, exp\u00f5em o surgimento ou crescimento de um pico 2\u00d7.<\/li>\n<li><strong>An\u00e1lise transit\u00f3ria:<\/strong> <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/waterfall-plot\/\">diagramas em cascata<\/a> e diagramas de Bode da partida e parada por in\u00e9rcia revelam comportamento incomum nas passagens por velocidade cr\u00edtica.<\/li>\n<\/ul>\n<p>Capturar amplitude e fase dos componentes 1\u00d7 e 2\u00d7 \u00e9 exatamente a medi\u00e7\u00e3o que um analisador port\u00e1til de dois canais torna rotina. Com um instrumento referenciado em fase como o <a href=\"https:\/\/vibromera.eu\/pt-br\/produto\/balanset-1\/\">Balanset-1A<\/a>, um t\u00e9cnico pode registrar os vetores 1\u00d7 e 2\u00d7 nos mancais durante a opera\u00e7\u00e3o normal e em cada parada por in\u00e9rcia, construindo a tend\u00eancia que distingue um 2\u00d7 benigno de um que est\u00e1 subindo \u2014 a diferen\u00e7a entre uma parada planejada e uma destrui\u00e7\u00e3o n\u00e3o planejada.<\/p>\n<h3>M\u00e9todos n\u00e3o vibrat\u00f3rios<\/h3>\n<p>Uma tend\u00eancia de vibra\u00e7\u00e3o suspeita deve sempre ser confirmada por <a href=\"https:\/\/vibromera.eu\/pt-br\/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> encontra trincas superficiais e subsuperficiais com alta confiabilidade em eixos ferromagn\u00e9ticos acess\u00edveis; um item padr\u00e3o de inspe\u00e7\u00f5es de paradas de rotina.<\/li>\n<li><strong>Ensaios ultrass\u00f4nicos (UT):<\/strong> detecta trincas internas e superficiais e pode encontr\u00e1-las antes que qualquer sintoma de vibra\u00e7\u00e3o apare\u00e7a; necessita de equipamento especializado e pessoal treinado, e \u00e9 o m\u00e9todo de escolha para eixos cr\u00edticos.<\/li>\n<li><strong>Inspe\u00e7\u00e3o por penetrante de corante:<\/strong> um m\u00e9todo simples para trincas superficiais que requer limpeza e prepara\u00e7\u00e3o da superf\u00edcie, \u00fatil para \u00e1reas acess\u00edveis durante uma parada.<\/li>\n<li><strong>Teste por correntes de Foucault:<\/strong> detec\u00e7\u00e3o de trincas superficiais sem contato que se adequa \u00e0 inspe\u00e7\u00e3o automatizada e funciona em materiais magn\u00e9ticos e n\u00e3o magn\u00e9ticos.<\/li>\n<\/ul>\n<h2>5. Resposta e A\u00e7\u00f5es Corretivas<\/h2>\n<h3>A\u00e7\u00f5es imediatas na detec\u00e7\u00e3o<\/h3>\n<ol>\n<li><strong>Aumentar a frequ\u00eancia de monitoramento:<\/strong> aumentar de mensal para semanal ou di\u00e1ria.<\/li>\n<li><strong>Reduzir a severidade de opera\u00e7\u00e3o:<\/strong> reduzir velocidade ou carga onde poss\u00edvel.<\/li>\n<li><strong>Planejar uma parada:<\/strong> agendar reparo ou substitui\u00e7\u00e3o na primeira oportunidade segura.<\/li>\n<li><strong>Realizar END:<\/strong> confirmar a presen\u00e7a da trinca e avaliar sua severidade diretamente.<\/li>\n<li><strong>Avalia\u00e7\u00e3o de risco:<\/strong> decidir formalmente se a opera\u00e7\u00e3o cont\u00ednua \u00e9 segura.<\/li>\n<\/ol>\n<h3>Solu\u00e7\u00f5es de longo prazo<\/h3>\n<ul>\n<li><strong>Substitui\u00e7\u00e3o do eixo:<\/strong> o rem\u00e9dio mais confi\u00e1vel para uma trinca confirmada.<\/li>\n<li><strong>Reparo (casos limitados):<\/strong> algumas trincas podem ser usinadas e reconstru\u00eddas com solda, mas apenas ap\u00f3s avalia\u00e7\u00e3o especializada.<\/li>\n<li><strong>An\u00e1lise de causa raiz:<\/strong> estabelecer por que a trinca se formou para que n\u00e3o se repita.<\/li>\n<li><strong>Modifica\u00e7\u00f5es de projeto:<\/strong> aliviar concentra\u00e7\u00f5es de tens\u00e3o, melhorar a sele\u00e7\u00e3o de materiais ou alterar o regime de opera\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>6. Estrat\u00e9gias de Preven\u00e7\u00e3o<\/h2>\n<h3>Fase de projeto<\/h3>\n<ul>\n<li>Eliminar cantos vivos e concentra\u00e7\u00f5es de tens\u00e3o.<\/li>\n<li>Usar raios de transi\u00e7\u00e3o 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>Realizar an\u00e1lise de tens\u00e3o por elementos finitos na geometria cr\u00edtica.<\/li>\n<li>Aplicar tratamentos de superf\u00edcie, como jateamento ou nitreta\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-br\/glossary\/balance-quality\/\">qualidade de balanceamento<\/a> para minimizar a tens\u00e3o de flex\u00e3o c\u00edclica.<\/li>\n<li>Garantir alinhamento preciso.<\/li>\n<li>Evitar opera\u00e7\u00e3o sustentada em velocidades cr\u00edticas.<\/li>\n<li>Prevenir eventos de sobreviragem.<\/li>\n<li>Controlar a tens\u00e3o t\u00e9rmica com procedimentos adequados de aquecimento e resfriamento.<\/li>\n<\/ul>\n<h3>Fase de manuten\u00e7\u00e3o<\/h3>\n<ul>\n<li>Inspecionar regularmente usando os m\u00e9todos adequados de ensaio n\u00e3o destrutivo (END).<\/li>\n<li>Executar um programa de vibra\u00e7\u00e3o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/trending\/\">tend\u00eancia<\/a> para captar sintomas iniciais.<\/li>\n<li>Rebalancear periodicamente para manter baixas as tens\u00f5es de fadiga \u2014 em campo <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/balanceamento-de-campo\/\">balanceamento em campo<\/a> torna isso pr\u00e1tico sem remover o rotor.<\/li>\n<li>Manter a prote\u00e7\u00e3o contra corros\u00e3o e os revestimentos.<\/li>\n<\/ul>\n<p>As trincas de eixo representam um dos modos de falha mais graves em m\u00e1quinas rotativas, onde a consequ\u00eancia de n\u00e3o detect\u00e1-las \u00e9 medida em ativos destru\u00eddos e pessoas em risco. A combina\u00e7\u00e3o \u00e9 o que funciona: monitoramento de vibra\u00e7\u00e3o para sinalizar precocemente a assinatura caracter\u00edstica de 2\u00d7 e exame peri\u00f3dico n\u00e3o destrutivo para confirmar e dimensionar o que a vibra\u00e7\u00e3o apenas sugere. Juntos, eles permitem manuten\u00e7\u00e3o planejada e controlada \u2014 e impedem que uma fina trinca silenciosa se torne uma fratura s\u00fabita e violenta.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/\">\u2190 Voltar ao \u00cdndice Principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about shaft cracks in rotating machinery, their causes, characteristic vibration signatures including 2X components, and critical detection methods to prevent catastrophic failure.<\/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-br\/wp-json\/wp\/v2\/glossary\/234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/234\/revisions"}],"predecessor-version":[{"id":101407,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/234\/revisions\/101407"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/media?parent=234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/categories?post=234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/tags?post=234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}