{"id":258,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/structural-resonance\/"},"modified":"2026-05-23T22:54:33","modified_gmt":"2026-05-23T22:54:33","slug":"structural-resonance","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/structural-resonance\/","title":{"rendered":"O que \u00e9 resson\u00e2ncia estrutural? Vibra\u00e7\u00e3o do sistema de suporte"},"content":{"rendered":"<h1>Entendendo a Resson\u00e2ncia Estrutural<\/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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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>Resson\u00e2ncia estrutural<\/strong> \u00e9 a condi\u00e7\u00e3o em que uma frequ\u00eancia de excita\u00e7\u00e3o proveniente de m\u00e1quinas rotativas \u2014 1\u00d7 <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/running-speed\/\">velocidade de funcionamento<\/a>, 2\u00d7 from <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">desalinhamento<\/a>, ou uma frequ\u00eancia de passagem da p\u00e1 \u2014 corresponde a uma <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/natural-frequency\/\">frequ\u00eancia natural<\/a> da estrutura de suporte n\u00e3o rotativa. Essa estrutura pode ser a estrutura da m\u00e1quina, a placa de base, o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-pedestal\/\">pedestais<\/a>, a funda\u00e7\u00e3o ou mesmo as tubagens e plataformas nas proximidades. Quando as frequ\u00eancias coincidem, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/resonance\/\">resson\u00e2ncia<\/a> amplifica a vibra\u00e7\u00e3o estrutural para n\u00edveis muito superiores aos que as pr\u00f3prias pe\u00e7as rotativas sofrem.<\/p>\n<p>A resson\u00e2ncia estrutural \u00e9 perigosa precisamente porque se disfar\u00e7a. Pode fazer com que uma m\u00e1quina bem equilibrada e devidamente alinhada pare\u00e7a ter um defeito grave. A vibra\u00e7\u00e3o intensa tem origem na estrutura e n\u00e3o significa necessariamente que o rotor esteja com problemas \u2014 no entanto, o movimento estrutural pode repercutir-se no rotor e causar danos mec\u00e2nicos reais ao longo do tempo. Distinguir o amplificador da fonte constitui todo o desafio do diagn\u00f3stico.<\/p>\n<h2>1. Como ocorre a resson\u00e2ncia estrutural<\/h2>\n<h3>O mecanismo de resson\u00e2ncia<\/h3>\n<ol>\n<li><strong>Fonte de excita\u00e7\u00e3o:<\/strong> a m\u00e1quina gera for\u00e7as peri\u00f3dicas \u2014 a partir de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a>, desalinhamento, etc.<\/li>\n<li><strong>Transmiss\u00e3o de for\u00e7a:<\/strong> essas for\u00e7as transmitem-se atrav\u00e9s dos rolamentos para a estrutura de suporte.<\/li>\n<li><strong>Correspond\u00eancia de frequ\u00eancia:<\/strong> a frequ\u00eancia de excita\u00e7\u00e3o coincide com uma frequ\u00eancia natural da estrutura.<\/li>\n<li><strong>Acumula\u00e7\u00e3o de energia:<\/strong> a estrutura absorve energia ao longo de muitos ciclos, em vez de a dissipar.<\/li>\n<li><strong>Amplifica\u00e7\u00e3o:<\/strong> a amplitude aumenta, limitada apenas pela estrutura <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/damping\/\">amortecimento<\/a>.<\/li>\n<li><strong>Efeito observado:<\/strong> a estrutura pode vibrar com uma intensidade 5 a 50 vezes superior \u00e0 que a for\u00e7a de entrada, por si s\u00f3, produziria.<\/li>\n<\/ol>\n<p>A intensidade dessa amplifica\u00e7\u00e3o \u00e9 determinada quase inteiramente pelo amortecimento. Com pouco amortecimento, uma resson\u00e2ncia acentuada pode multiplicar o movimento dezenas de vezes; com um amortecimento intenso, a mesma coincid\u00eancia de frequ\u00eancias mal se faz sentir. \u00c9 por isso que as t\u00e9cnicas de amortecimento s\u00e3o uma ferramenta t\u00e3o eficaz e que um <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/damping-ratio-calculator\/\">calculadora do r\u00e1cio de amortecimento<\/a> \u00e9 \u00fatil para estimar o grau de irregularidade de uma determinada estrutura.<\/p>\n<h3>Intervalos de frequ\u00eancia t\u00edpicos<\/h3>\n<ul>\n<li><strong>Modos da funda\u00e7\u00e3o:<\/strong> normalmente entre 5 e 30 Hz para funda\u00e7\u00f5es industriais t\u00edpicas.<\/li>\n<li><strong>Modos da placa de base:<\/strong> 20\u2013100 Hz, dependendo do tamanho e da constru\u00e7\u00e3o.<\/li>\n<li><strong>Modos de pedestal:<\/strong> 30\u2013200 Hz para apoios de rolamentos t\u00edpicos.<\/li>\n<li><strong>Modos da estrutura e das coberturas:<\/strong> 50\u2013500 Hz para pain\u00e9is e coberturas de chapa met\u00e1lica.<\/li>\n<\/ul>\n<p>Quando o elemento ressonante \u00e9 o pr\u00f3prio corpo da m\u00e1quina, em vez dos seus suportes, a mesma f\u00edsica \u00e9 descrita como <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/frame-resonance\/\">resson\u00e2ncia da estrutura<\/a>; quando \u00e9 a base de fixa\u00e7\u00e3o do sensor que vibra, torna-se <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/mounting-resonance\/\">resson\u00e2ncia de montagem<\/a>. Todas as tr\u00eas s\u00e3o facetas do mesmo fen\u00f3meno de amplifica\u00e7\u00e3o em diferentes pontos da estrutura.<\/p>\n<h2>2. Cen\u00e1rios comuns de resson\u00e2ncia<\/h2>\n<h3>1\u00d7 resson\u00e2ncia \u00e0 velocidade de marcha<\/h3>\n<ul>\n<li><strong>Exemplo:<\/strong> uma m\u00e1quina a funcionar a 1800 RPM (30 Hz) com uma frequ\u00eancia natural da funda\u00e7\u00e3o de 28\u201332 Hz.<\/li>\n<li><strong>Sintoma:<\/strong> vibra\u00e7\u00e3o muito elevada, apesar do bom equil\u00edbrio.<\/li>\n<li><strong>Efeito:<\/strong> mesmo um pequeno desequil\u00edbrio residual provoca um grande movimento estrutural.<\/li>\n<li><strong>Solu\u00e7\u00e3o:<\/strong> mudar a funda\u00e7\u00e3o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/foundation-stiffness\/\">rigidez<\/a>, aumentar o amortecimento ou alterar a velocidade de funcionamento.<\/li>\n<\/ul>\n<h3>2\u00d7 resson\u00e2ncia (frequ\u00eancia de desalinhamento)<\/h3>\n<ul>\n<li>O desalinhamento gera uma excita\u00e7\u00e3o 2\u00d7.<\/li>\n<li>Se 2\u00d7 corresponder ao modo estrutural, ocorre amplifica\u00e7\u00e3o.<\/li>\n<li>A vibra\u00e7\u00e3o intensa \u00e9 facilmente confundida com um desalinhamento grave.<\/li>\n<li>Melhorar o alinhamento ajuda, mas n\u00e3o elimina a resson\u00e2ncia em si.<\/li>\n<\/ul>\n<h3>Resson\u00e2ncia da frequ\u00eancia de passagem da p\u00e1<\/h3>\n<ul>\n<li>Ventiladores, bombas e turbinas geram um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/blade-passing-frequency\/\">frequ\u00eancia de passagem da p\u00e1<\/a> (N \u00d7 RPM, em que N \u00e9 o n\u00famero de p\u00e1s) \u2014 para bombas, o equivalente <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vane-passing-frequency\/\">frequ\u00eancia de passagem da palheta<\/a>.<\/li>\n<li>Frequentemente na faixa de 50 a 500 Hz.<\/li>\n<li>Pode excitar modos estruturais nessa banda.<\/li>\n<li>Produz um chocalhar ou zumbido de alta frequ\u00eancia.<\/li>\n<\/ul>\n<h2>3. Identifica\u00e7\u00e3o diagn\u00f3stica<\/h2>\n<h3>Sintomas de resson\u00e2ncia estrutural<\/h3>\n<ul>\n<li><strong>Vibra\u00e7\u00e3o excessiva:<\/strong> vibra\u00e7\u00e3o estrutural muito superior \u00e0 vibra\u00e7\u00e3o dos rolamentos.<\/li>\n<li><strong>Faixa de velocidade reduzida:<\/strong> vibra\u00e7\u00e3o elevada apenas a uma velocidade espec\u00edfica (\u00b15\u201310 %).<\/li>\n<li><strong>Depend\u00eancia direcional:<\/strong> intensa numa dire\u00e7\u00e3o, m\u00ednima em \u00e2ngulo reto \u2014 correspondendo \u00e0 forma modal.<\/li>\n<li><strong>Depend\u00eancia da localiza\u00e7\u00e3o:<\/strong> A vibra\u00e7\u00e3o varia consideravelmente ao longo da estrutura (antin\u00f3s versus n\u00f3s).<\/li>\n<li><strong>Efeito m\u00ednimo do rolamento:<\/strong> os rolamentos e o rotor podem estar em perfeitas condi\u00e7\u00f5es, enquanto a estrutura apresenta danos graves.<\/li>\n<\/ul>\n<h3>Teste de impacto (teste de choque)<\/h3>\n<p>O teste mais conclusivo. Bata na estrutura com um martelo e me\u00e7a a resposta para determinar todas as frequ\u00eancias naturais da estrutura; em seguida, compare-as com as frequ\u00eancias de funcionamento da m\u00e1quina. Ver <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bump-test\/\">teste de impacto<\/a> e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/impact-testing\/\">ensaio de impacto<\/a> for technique.<\/p>\n<h3>Compara\u00e7\u00e3o dos locais de medi\u00e7\u00e3o<\/h3>\n<ul>\n<li>Me\u00e7a na caixa do rolamento (a mais pr\u00f3xima da fonte).<\/li>\n<li>Me\u00e7a novamente na base do pedestal, na placa de base e na funda\u00e7\u00e3o.<\/li>\n<li>Se a vibra\u00e7\u00e3o estrutural for muito superior \u00e0 vibra\u00e7\u00e3o do rolamento, isso indica a presen\u00e7a de resson\u00e2ncia.<\/li>\n<li>Uma transmissibilidade superior a 2\u20133 sugere amplifica\u00e7\u00e3o ressonante \u2014 uma <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/vibration-transmissibility\/\">calculadora de transmissibilidade de vibra\u00e7\u00f5es<\/a> quantifica o r\u00e1cio.<\/li>\n<\/ul>\n<h3>Forma de deflex\u00e3o operacional (ODS)<\/h3>\n<ul>\n<li>Medir a vibra\u00e7\u00e3o em v\u00e1rios pontos da estrutura simultaneamente.<\/li>\n<li>Anime o movimento estrutural para ver qual o modo que est\u00e1 ativo.<\/li>\n<li>Identificar n\u00f3s e antin\u00f3s \u2014 ver <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/ods-analysis\/\">ODS analysis<\/a> e, no que diz respeito aos modos subjacentes, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/modal-analysis\/\">an\u00e1lise modal<\/a>.<\/li>\n<\/ul>\n<h2>4. Separar a fonte da estrutura no terreno<\/h2>\n<p>A chave pr\u00e1tica para diagnosticar a resson\u00e2ncia consiste em medir o comportamento do rotor independentemente da estrutura que o rodeia \u2014 e um analisador port\u00e1til de dois canais torna isso poss\u00edvel sem necessidade de laborat\u00f3rios de instrumenta\u00e7\u00e3o nem tempo de inatividade. Com o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a>, um analista capta 1\u00d7 <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/phase\/\">amplitude e fase<\/a> e todo o espectro no rolamento, passando depois o aceler\u00f3metro pela placa de base, pelo pedestal e pela estrutura, comparando os n\u00edveis ponto a ponto. Uma vibra\u00e7\u00e3o modesta do rotor, aliada a uma leitura estrutural elevada e bem definida, \u00e9 a assinatura inconfund\u00edvel da resson\u00e2ncia. Executar uma desacelera\u00e7\u00e3o com o mesmo instrumento permite que o pico de resson\u00e2ncia se revele \u00e0 medida que a velocidade o atravessa, e um teste de equil\u00edbrio determina se o desequil\u00edbrio residual \u00e9 realmente a fun\u00e7\u00e3o causadora ou apenas um espectador inocente a ser amplificado.<\/p>\n<h2>5. Solu\u00e7\u00f5es e medidas de mitiga\u00e7\u00e3o<\/h2>\n<h3>Separa\u00e7\u00e3o de frequ\u00eancias<\/h3>\n<p><strong>Alterar a velocidade de funcionamento.<\/strong> Em equipamentos de velocidade vari\u00e1vel, basta evitar a resson\u00e2ncia \u2014 altere as dimens\u00f5es das polias do motor ou utilize um variador de frequ\u00eancia (VFD) para selecionar uma velocidade n\u00e3o ressonante. Isto nem sempre \u00e9 vi\u00e1vel quando a velocidade \u00e9 determinada pelo processo.<\/p>\n<p><strong>Alterar a frequ\u00eancia natural da estrutura.<\/strong><\/p>\n<ul>\n<li><strong>Adicionar massa:<\/strong> reduz a frequ\u00eancia natural (f \u221d 1\/\u221am).<\/li>\n<li><strong>Add stiffness:<\/strong> aumenta a frequ\u00eancia natural (f \u221d \u221ak).<\/li>\n<li><strong>Remover material:<\/strong> em alguns casos, a perda de massa altera a resson\u00e2ncia de forma vantajosa.<\/li>\n<li><strong>Modifica\u00e7\u00e3o estrutural:<\/strong> colocar travessas, refor\u00e7os ou elementos de refor\u00e7o.<\/li>\n<\/ul>\n<p>De qualquer forma, um <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/foundation-natural-frequency\/\">calculadora da frequ\u00eancia natural de funda\u00e7\u00f5es<\/a> ajuda a prever onde a estrutura modificada se situar\u00e1 em rela\u00e7\u00e3o \u00e0 frequ\u00eancia de excita\u00e7\u00e3o, para que uma corre\u00e7\u00e3o n\u00e3o se limite a deslocar o problema para uma nova banda.<\/p>\n<h3>Adi\u00e7\u00e3o de amortecimento<\/h3>\n<ul>\n<li><strong>Amortecimento por camada restrita:<\/strong> material viscoel\u00e1stico colado \u00e0 estrutura, muito eficaz em pain\u00e9is de chapa met\u00e1lica e arma\u00e7\u00f5es, reduzindo o pico de resson\u00e2ncia.<\/li>\n<li><strong>Amortecedores de massa sintonizados:<\/strong> um sistema secund\u00e1rio de massa-mola sintonizado com a frequ\u00eancia problem\u00e1tica, que absorve energia e reduz o movimento da estrutura principal \u2014 eficaz, mas que requer um projeto cuidadoso.<\/li>\n<li><strong>Materiais de amortecimento estrutural:<\/strong> almofadas de borracha ou isoladores em pontos estrat\u00e9gicos, compostos amortecedores nas superf\u00edcies e amortecedores de fric\u00e7\u00e3o nas juntas. Em sistemas de rotores de alta velocidade, um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/squeeze-film-damper\/\">amortecedor de pel\u00edcula de aperto<\/a> desempenha a fun\u00e7\u00e3o equivalente no rolamento.<\/li>\n<\/ul>\n<h3>Isolamento<\/h3>\n<ul>\n<li>Instale isoladores de vibra\u00e7\u00e3o entre a m\u00e1quina e a funda\u00e7\u00e3o para desacoplar as duas.<\/li>\n<li>\u00c9 eficaz quando a frequ\u00eancia natural do isolador \u00e9 inferior a cerca de 0,5 vezes a frequ\u00eancia de excita\u00e7\u00e3o.<\/li>\n<li>Requer um projeto cuidadoso para evitar a cria\u00e7\u00e3o de uma nova resson\u00e2ncia de baixa frequ\u00eancia \u2014 uma <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/machine-vibration-isolation\/\">calculadora de isolamento de vibra\u00e7\u00f5es de m\u00e1quinas<\/a> e um <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/vibration-mount-selection\/\">calculadora para sele\u00e7\u00e3o de suportes antivibra\u00e7\u00e3o<\/a> ajude a dimensionar corretamente os suportes.<\/li>\n<\/ul>\n<h3>Reduzir a excita\u00e7\u00e3o<\/h3>\n<ul>\n<li>Melhorar <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/equilibrio-2\/\">qualidade de equil\u00edbrio<\/a> para cortar a excita\u00e7\u00e3o 1\u00d7.<\/li>\n<li>Utilize o alinhamento de precis\u00e3o para cortar a excita\u00e7\u00e3o 2\u00d7.<\/li>\n<li>Resolva os problemas mec\u00e2nicos que aumentam a amplitude de for\u00e7amento.<\/li>\n<li>Isto alivia o sintoma, mas n\u00e3o elimina o potencial de resson\u00e2ncia subjacente.<\/li>\n<\/ul>\n<h2>6. Preven\u00e7\u00e3o na conce\u00e7\u00e3o<\/h2>\n<h3>Crit\u00e9rios de projeto de funda\u00e7\u00f5es<\/h3>\n<ul>\n<li>Procure que a frequ\u00eancia natural da base seja superior a duas vezes a frequ\u00eancia m\u00e1xima de funcionamento (evitando assim a resson\u00e2ncia).<\/li>\n<li>Ou inferior a 0,5 vezes a frequ\u00eancia m\u00ednima de funcionamento (uma funda\u00e7\u00e3o isolada).<\/li>\n<li>Evite a faixa de 0,5\u20132,0\u00d7, onde \u00e9 prov\u00e1vel que ocorra resson\u00e2ncia.<\/li>\n<li>Incluir a an\u00e1lise din\u00e2mica na fase de projeto, tal como no caso de um rotor <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/critical-speed\/\">velocidades cr\u00edticas<\/a> s\u00e3o verificados em rela\u00e7\u00e3o ao seu intervalo de funcionamento.<\/li>\n<\/ul>\n<h3>Projeto estrutural<\/h3>\n<ul>\n<li>Projetar para um valor adequado <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/stiffness\/\">rigidez<\/a> em rela\u00e7\u00e3o \u00e0s frequ\u00eancias de excita\u00e7\u00e3o.<\/li>\n<li>Evite estruturas com pouca carga que sejam propensas \u00e0 resson\u00e2ncia.<\/li>\n<li>Utilize nervuras e refor\u00e7os para aumentar a frequ\u00eancia.<\/li>\n<li>Incorporar amortecimento inerente \u2014 materiais comp\u00f3sitos ou juntas concebidas para dissipar energia atrav\u00e9s do atrito.<\/li>\n<\/ul>\n<p>A resson\u00e2ncia estrutural transforma pequenas fontes de vibra\u00e7\u00e3o em problemas graves, devido \u00e0 sua amplifica\u00e7\u00e3o. Identificar as resson\u00e2ncias atrav\u00e9s de ensaios de impacto e medi\u00e7\u00f5es operacionais e, em seguida, aplicar as medidas de mitiga\u00e7\u00e3o adequadas \u2014 separa\u00e7\u00e3o de frequ\u00eancias, amortecimento, isolamento ou redu\u00e7\u00e3o da excita\u00e7\u00e3o \u2014 \u00e9 essencial para alcan\u00e7ar n\u00edveis de vibra\u00e7\u00e3o aceit\u00e1veis em qualquer instala\u00e7\u00e3o onde a din\u00e2mica estrutural influencie significativamente o comportamento geral da m\u00e1quina.<\/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 resson\u00e2ncia estrutural, a amplifica\u00e7\u00e3o de vibra\u00e7\u00f5es que ocorre quando as frequ\u00eancias de opera\u00e7\u00e3o da m\u00e1quina coincidem com as frequ\u00eancias naturais das estruturas de suporte, funda\u00e7\u00f5es ou arma\u00e7\u00f5es.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-258","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/258","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\/258\/revisions"}],"predecessor-version":[{"id":101414,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/258\/revisions\/101414"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}