{"id":122,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/forced-vibration\/"},"modified":"2026-05-23T22:43:10","modified_gmt":"2026-05-23T22:43:10","slug":"forced-vibration","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/forced-vibration\/","title":{"rendered":"O que \u00e9 vibra\u00e7\u00e3o for\u00e7ada? Resposta \u00e0 excita\u00e7\u00e3o externa"},"content":{"rendered":"<h1>Compreender a vibra\u00e7\u00e3o for\u00e7ada<\/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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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>vibra\u00e7\u00e3o for\u00e7ada<\/strong> \u00e9 um movimento oscilat\u00f3rio causado por uma for\u00e7a peri\u00f3dica externa que atua sobre um sistema mec\u00e2nico. A vibra\u00e7\u00e3o ocorre \u00e0 frequ\u00eancia da for\u00e7a aplicada \u2014 a frequ\u00eancia de excita\u00e7\u00e3o \u2014 e a sua amplitude \u00e9 proporcional \u00e0 magnitude dessa for\u00e7a e inversamente proporcional \u00e0 resist\u00eancia do sistema ao movimento nessa frequ\u00eancia. A esmagadora maioria dos <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> nas m\u00e1quinas rotativas \u00e9 a vibra\u00e7\u00e3o for\u00e7ada, sendo os causadores habituais <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a> (uma for\u00e7a centr\u00edfuga de rota\u00e7\u00e3o), <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">desalinhamento<\/a> (for\u00e7as de acoplamento) e pulsa\u00e7\u00f5es aerodin\u00e2micas ou hidr\u00e1ulicas. A vibra\u00e7\u00e3o for\u00e7ada \u00e9 fundamentalmente diferente de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/self-excited-vibration\/\">vibra\u00e7\u00e3o autoexcitada<\/a>, em que o sistema gera e mant\u00e9m a sua pr\u00f3pria oscila\u00e7\u00e3o, e da vibra\u00e7\u00e3o livre, o decaimento transit\u00f3rio que se segue a um impulso. Compreender estes princ\u00edpios \u00e9 importante porque explicam como a amplitude da vibra\u00e7\u00e3o se relaciona com a gravidade da avaria e como a vibra\u00e7\u00e3o pode ser controlada \u2014 seja reduzindo a for\u00e7a motriz, seja modificando a resposta do sistema.<\/p>\n<h2>1. Caracter\u00edsticas da vibra\u00e7\u00e3o for\u00e7ada<\/h2>\n<h3>Correspond\u00eancia de frequ\u00eancias<\/h3>\n<ul>\n<li>A frequ\u00eancia de vibra\u00e7\u00e3o \u00e9 igual \u00e0 frequ\u00eancia de excita\u00e7\u00e3o \u2014 se o sistema for excitado a 30 Hz, ele vibra a 30 Hz.<\/li>\n<li>Isto difere da vibra\u00e7\u00e3o autoexcitada, que se fixa numa <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/natural-frequency\/\">frequ\u00eancia natural<\/a> independentemente da velocidade de condu\u00e7\u00e3o.<\/li>\n<li>A frequ\u00eancia \u00e9, portanto, previs\u00edvel diretamente a partir da fonte de excita\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Proporcionalidade da amplitude<\/h3>\n<ul>\n<li>A amplitude \u00e9 proporcional \u00e0 magnitude da for\u00e7a aplicada: se duplicarmos a for\u00e7a, (num sistema linear) duplicamos a vibra\u00e7\u00e3o.<\/li>\n<li>Elimine a excita\u00e7\u00e3o e a vibra\u00e7\u00e3o cessa \u2014 e \u00e9 precisamente por isso que \u00e9 control\u00e1vel.<\/li>\n<\/ul>\n<h3>Rela\u00e7\u00e3o de fase<\/h3>\n<ul>\n<li>H\u00e1 uma clara <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/phase\/\">fase<\/a> rela\u00e7\u00e3o entre for\u00e7a e resposta.<\/li>\n<li>Essa fase depende da frequ\u00eancia de excita\u00e7\u00e3o em rela\u00e7\u00e3o \u00e0 frequ\u00eancia natural:<\/li>\n<li><strong>Abaixo da resson\u00e2ncia:<\/strong> a vibra\u00e7\u00e3o est\u00e1 essencialmente em fase com a for\u00e7a.<\/li>\n<li><strong>Em resson\u00e2ncia:<\/strong> um desfasamento de 90\u00b0.<\/li>\n<li><strong>Acima da resson\u00e2ncia:<\/strong> um desfasamento de 180\u00b0.<\/li>\n<\/ul>\n<h3>Estabilidade<\/h3>\n<ul>\n<li>O sistema \u00e9 est\u00e1vel: a vibra\u00e7\u00e3o \u00e9 limitada e n\u00e3o aumenta indefinidamente.<\/li>\n<li>A amplitude \u00e9 determinada conjuntamente pela for\u00e7a aplicada e pela resposta do sistema \u2014 ao contr\u00e1rio do que acontece com a vibra\u00e7\u00e3o autoexcitada inst\u00e1vel, que pode intensificar-se at\u00e9 que uma n\u00e3o linearidade a interrompa.<\/li>\n<\/ul>\n<h2>2. Fun\u00e7\u00f5es de excita\u00e7\u00e3o comuns em m\u00e1quinas<\/h2>\n<h3>Desequil\u00edbrio \u2014 excita\u00e7\u00e3o 1\u00d7<\/h3>\n<ul>\n<li><strong>For\u00e7a:<\/strong> uma for\u00e7a centr\u00edfuga resultante da excentricidade da massa.<\/li>\n<li><strong>Frequ\u00eancia:<\/strong> uma vez por volta (1\u00d7 a velocidade do eixo).<\/li>\n<li><strong>Magnitude:<\/strong> F = m\u00b7r\u00b7\u03c9\u00b2, pelo que aumenta com o <em>quadrado<\/em> de velocidade.<\/li>\n<li><strong>Import\u00e2ncia:<\/strong> a principal fonte de vibra\u00e7\u00e3o na maioria dos equipamentos rotativos.<\/li>\n<\/ul>\n<p>Vale a pena aprofundar essa depend\u00eancia em rela\u00e7\u00e3o a \u03c9\u00b2: duplicar a velocidade de funcionamento quadruplica a for\u00e7a de desequil\u00edbrio, raz\u00e3o pela qual um rotor que funciona silenciosamente a baixa velocidade pode tremer violentamente quando atingir a velocidade de trabalho. Pode quantificar isso com o nosso <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/centrifugal-force-unbalance\/\">Calculadora de For\u00e7a Centr\u00edfuga devido ao Desequil\u00edbrio<\/a>.<\/p>\n<h3>As outras fontes principais<\/h3>\n<ul>\n<li><strong>Desalinhamento \u2014 2\u00d7 for\u00e7amento:<\/strong> for\u00e7as de acoplamento resultantes do desvio angular ou paralelo, produzindo vibra\u00e7\u00f5es a uma frequ\u00eancia equivalente ao dobro da velocidade do eixo e com uma amplitude caracteristicamente elevada <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/axial-vibration\/\">axial<\/a> componente.<\/li>\n<li><strong>Aerodin\u00e2mico \/ hidr\u00e1ulico (passagem de p\u00e1s ou aletas):<\/strong> pulsa\u00e7\u00f5es de press\u00e3o resultantes da intera\u00e7\u00e3o entre as p\u00e1s e o estator, com frequ\u00eancia igual ao n\u00famero de p\u00e1s multiplicado pela velocidade do eixo \u2014 a caracter\u00edstica distintiva de ventiladores, bombas e compressores, acionados por <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/aerodynamic-forces\/\">aerodin\u00e2mico<\/a> e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/hydraulic-forces\/\">for\u00e7as hidr\u00e1ulicas<\/a>.<\/li>\n<li><strong>For\u00e7as de engrenagem:<\/strong> o engate dos dentes gera uma carga peri\u00f3dica igual ao produto do n\u00famero de dentes pela velocidade do eixo (o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/gear-mesh-frequency\/\">frequ\u00eancia de engrenamento<\/a>), cuja magnitude est\u00e1 relacionada com o bin\u00e1rio transmitido e com a qualidade dos dentes.<\/li>\n<li><strong>For\u00e7as eletromagn\u00e9ticas:<\/strong> pulsa\u00e7\u00f5es do campo magn\u00e9tico em motores e geradores a 2\u00d7 a frequ\u00eancia da rede (120 Hz numa alimenta\u00e7\u00e3o de 60 Hz, 100 Hz numa alimenta\u00e7\u00e3o de 50 Hz) \u2014 notavelmente independentes da velocidade mec\u00e2nica, um efeito ass\u00edncrono.<\/li>\n<\/ul>\n<h2>3. Resposta ao for\u00e7amento: como o sistema se comporta<\/h2>\n<p>A mesma for\u00e7a produz amplitudes extremamente diferentes, dependendo da posi\u00e7\u00e3o da frequ\u00eancia de excita\u00e7\u00e3o em rela\u00e7\u00e3o \u00e0 frequ\u00eancia natural do sistema. Existem tr\u00eas regimes que descrevem este fen\u00f3meno.<\/p>\n<h3>Abaixo da frequ\u00eancia natural (controlado pela rigidez)<\/h3>\n<ul>\n<li>Amplitude \u2248 For\u00e7a \u00f7 <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/stiffness\/\">Rigidez<\/a>.<\/li>\n<li>A resposta est\u00e1 em fase com o for\u00e7amento.<\/li>\n<li>No caso das for\u00e7as dependentes da velocidade, a amplitude aumenta com a velocidade.<\/li>\n<li>A regi\u00e3o de funcionamento t\u00edpica para a maioria <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rigid-rotor\/\">rotores r\u00edgidos<\/a>.<\/li>\n<\/ul>\n<h3>Na frequ\u00eancia natural (resson\u00e2ncia)<\/h3>\n<ul>\n<li>Amplitude \u2248 For\u00e7a \u00f7 (Amortecimento \u00d7 Frequ\u00eancia natural).<\/li>\n<li>Amplificado pelo fator Q, normalmente entre 10 e 50 vezes.<\/li>\n<li>Um desfasamento de 90\u00b0 e for\u00e7as reduzidas provocam agora uma vibra\u00e7\u00e3o intensa.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/damping\/\">Amortecimento<\/a> \u00e9 a \u00fanica coisa que limita a amplitude \u2014 a import\u00e2ncia pr\u00e1tica de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/resonance\/\">resson\u00e2ncia<\/a>.<\/li>\n<\/ul>\n<h3>Acima da frequ\u00eancia natural (controlada pela massa)<\/h3>\n<ul>\n<li>Amplitude \u2248 For\u00e7a \u00f7 (Massa \u00d7 Frequ\u00eancia\u00b2).<\/li>\n<li>Um desfasamento de 180\u00b0 \u2014 a vibra\u00e7\u00e3o move-se na dire\u00e7\u00e3o oposta \u00e0 da for\u00e7a.<\/li>\n<li>A amplitude diminui \u00e0 medida que a frequ\u00eancia aumenta.<\/li>\n<li>A \u00e1rea de atua\u00e7\u00e3o para <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/flexible-rotor\/\">rotores flex\u00edveis<\/a> funcionando acima do seu <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/critical-speed\/\">velocidades cr\u00edticas<\/a>.<\/li>\n<\/ul>\n<h2>4. Vibra\u00e7\u00e3o for\u00e7ada vs. outros tipos<\/h2>\n<h3>Oscila\u00e7\u00e3o for\u00e7ada vs. oscila\u00e7\u00e3o livre<\/h3>\n<ul>\n<li><strong>For\u00e7ada:<\/strong> For\u00e7a cont\u00ednua, vibra\u00e7\u00e3o sustentada, na frequ\u00eancia de for\u00e7a<\/li>\n<li><strong>Livre:<\/strong> uma resposta impulsional que decai \u00e0 frequ\u00eancia natural.<\/li>\n<li><strong>Exemplo:<\/strong> um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bump-test\/\">teste de impacto<\/a> produz vibra\u00e7\u00e3o livre; uma m\u00e1quina em funcionamento produz vibra\u00e7\u00e3o for\u00e7ada.<\/li>\n<\/ul>\n<h3>Vibra\u00e7\u00e3o for\u00e7ada vs. vibra\u00e7\u00e3o autoexcitada<\/h3>\n<ul>\n<li><strong>For\u00e7ada:<\/strong> uma for\u00e7a externa, cuja amplitude \u00e9 proporcional a essa for\u00e7a, est\u00e1vel.<\/li>\n<li><strong>Auto-excitado:<\/strong> uma fonte de energia interna, cuja amplitude \u00e9 limitada apenas pela n\u00e3o linearidade, inst\u00e1vel.<\/li>\n<li><strong>Exemplos:<\/strong> o desequil\u00edbrio \u00e9 for\u00e7ado; <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/oil-whirl\/\">redemoinho de \u00f3leo<\/a> \u00e9 autoexcitado.<\/li>\n<\/ul>\n<h2>5. Controlo e mitiga\u00e7\u00e3o<\/h2>\n<h3>Reduzir o for\u00e7amento (normalmente a melhor op\u00e7\u00e3o)<\/h3>\n<ul>\n<li><strong>Equil\u00edbrio:<\/strong> reduz diretamente o desequil\u00edbrio e constitui a medida corretiva mais comum.<\/li>\n<li><strong>Alinhamento:<\/strong> reduz as for\u00e7as de desalinhamento.<\/li>\n<li><strong>Repara\u00e7\u00e3o de defeitos:<\/strong> resolver os problemas mec\u00e2nicos que est\u00e3o a gerar essas for\u00e7as.<\/li>\n<li><strong>Mais eficaz:<\/strong> eliminando ou minimizando a fonte de for\u00e7amento na sua origem.<\/li>\n<\/ul>\n<h3>Modificar a resposta do sistema ou evitar a resson\u00e2ncia<\/h3>\n<ul>\n<li><strong>Alterar a rigidez ou a massa:<\/strong> Desloque as frequ\u00eancias naturais para longe das frequ\u00eancias de excita\u00e7\u00e3o.<\/li>\n<li><strong>Adicionar amortecimento:<\/strong> atenuar a amplifica\u00e7\u00e3o ressonante.<\/li>\n<li><strong>Isolamento:<\/strong> reduzir a transmiss\u00e3o de for\u00e7as para a estrutura de suporte.<\/li>\n<li><strong>Evitar a resson\u00e2ncia:<\/strong> Manter as frequ\u00eancias de excita\u00e7\u00e3o afastadas das frequ\u00eancias naturais, com uma margem de separa\u00e7\u00e3o de cerca de \u00b120\u201330%, verificada atrav\u00e9s de an\u00e1lises na fase de projeto e aplicada por meio de restri\u00e7\u00f5es de velocidade, caso seja inevit\u00e1vel uma interfer\u00eancia.<\/li>\n<\/ul>\n<h2>6. Import\u00e2ncia pr\u00e1tica e diagn\u00f3stico<\/h2>\n<p>Uma vez que quase toda a vibra\u00e7\u00e3o das m\u00e1quinas \u00e9 for\u00e7ada \u2014 desequil\u00edbrio, desalinhamento, engrenagem e outros fatores \u2014, \u00e9 tamb\u00e9m previs\u00edvel e control\u00e1vel, e as a\u00e7\u00f5es de manuten\u00e7\u00e3o padr\u00e3o, como o balanceamento e o alinhamento, funcionam precisamente porque atuam sobre a excita\u00e7\u00e3o. A abordagem de diagn\u00f3stico decorre diretamente da\u00ed: identificar a frequ\u00eancia de excita\u00e7\u00e3o a partir do espectro, associ\u00e1-la a uma fonte conhecida (1\u00d7, 2\u00d7, engrenagem, passagem de palhetas), diagnosticar essa fonte e reduzir a excita\u00e7\u00e3o atrav\u00e9s da manuten\u00e7\u00e3o adequada.<\/p>\n<p>\u00c9 aqui que a instrumenta\u00e7\u00e3o de campo mostra o seu valor. Um analisador port\u00e1til de dois canais, como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> mede a vibra\u00e7\u00e3o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/amplitude\/\">amplitude<\/a> e a fase \u00e0 velocidade de funcionamento, permite analisar o espectro para distinguir um pico de desequil\u00edbrio de 1\u00d7 de um pico de desalinhamento de 2\u00d7 e \u2014 tendo identificado o desequil\u00edbrio como a causa dominante \u2014 corrige-o imediatamente atrav\u00e9s de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/equilibrio-de-campos\/\">equilibragem no local<\/a> o rotor nos seus pr\u00f3prios rolamentos. A medi\u00e7\u00e3o tanto da fase como da amplitude \u00e9 o que distingue um problema de excita\u00e7\u00e3o de um problema de resson\u00e2ncia, uma vez que os dois se comportam de forma muito diferente \u00e0 medida que a velocidade varia.<\/p>\n<p>A vibra\u00e7\u00e3o for\u00e7ada \u00e9 o tipo fundamental de vibra\u00e7\u00e3o em m\u00e1quinas rotativas, surgindo sempre que uma for\u00e7a peri\u00f3dica externa atua sobre o sistema. Compreender os seus princ\u00edpios \u2014 correspond\u00eancia de frequ\u00eancias, proporcionalidade de amplitudes e as regi\u00f5es de resposta determinadas pela rigidez, pelo amortecimento e pela massa \u2014 \u00e9 o que permite o diagn\u00f3stico correto das fontes de vibra\u00e7\u00e3o, a ado\u00e7\u00e3o das medidas corretivas adequadas (reduzir a for\u00e7a aplicada ou modificar a resposta) e a defini\u00e7\u00e3o de estrat\u00e9gias de projeto que mantenham a vibra\u00e7\u00e3o em n\u00edveis baixos atrav\u00e9s da redu\u00e7\u00e3o da for\u00e7a aplicada e da preven\u00e7\u00e3o da resson\u00e2ncia.<\/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 vibra\u00e7\u00e3o for\u00e7ada, oscila\u00e7\u00e3o causada por for\u00e7as peri\u00f3dicas externas, como desequil\u00edbrio ou desalinhamento, com amplitude proporcional \u00e0 for\u00e7a aplicada e frequ\u00eancia correspondente \u00e0 excita\u00e7\u00e3o.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-122","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/122","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\/122\/revisions"}],"predecessor-version":[{"id":101335,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/122\/revisions\/101335"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}