{"id":78,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/coastdown-analysis\/"},"modified":"2026-05-23T22:41:11","modified_gmt":"2026-05-23T22:41:11","slug":"coastdown-analysis","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/coastdown-analysis\/","title":{"rendered":"O que \u00e9 a An\u00e1lise de Desacelera\u00e7\u00e3o? Teste de Vibra\u00e7\u00e3o durante a Parada"},"content":{"rendered":"<h1>Compreender a An\u00e1lise de Desacelera\u00e7\u00e3o<\/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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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>An\u00e1lise de Desacelera\u00e7\u00e3o<\/strong> \u00e9 a medi\u00e7\u00e3o e avalia\u00e7\u00e3o sistem\u00e1ticas da m\u00e1quina <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> durante a desacelera\u00e7\u00e3o da velocidade de funcionamento at\u00e9 \u00e0 paragem total, ap\u00f3s a desconex\u00e3o da alimenta\u00e7\u00e3o. Em toda a gama de velocidades, o analisador regista a amplitude, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/phase\/\">fase<\/a>, e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spectrum\/\">conte\u00fado espectral<\/a>, de modo a que uma \u00fanica rota\u00e7\u00e3o sem alimenta\u00e7\u00e3o permita observar o comportamento do rotor em todas as velocidades por que tem de passar. Interpretado atrav\u00e9s de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bode-plot\/\">Diagramas de Bode<\/a> e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/waterfall-plot\/\">diagramas em cascata<\/a>, esses dados revelam <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/critical-speed\/\">velocidades cr\u00edticas<\/a>, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/natural-frequency\/\">frequ\u00eancias naturais<\/a>, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/damping\/\">amortecimento<\/a> caracter\u00edsticas e o contexto mais amplo <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rotor-dynamics\/\">rotor-din\u00e2mico<\/a> comportamento que est\u00e1 na base da coloca\u00e7\u00e3o em servi\u00e7o, da resolu\u00e7\u00e3o de problemas e da verifica\u00e7\u00e3o peri\u00f3dica do estado.<\/p>\n<p>A an\u00e1lise de desacelera\u00e7\u00e3o est\u00e1 intimamente relacionada a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/run-up-analysis\/\">an\u00e1lise de arranque<\/a>, mas apresenta duas vantagens distintas: a desacelera\u00e7\u00e3o \u00e9 natural e sem alimenta\u00e7\u00e3o, o que torna o teste mais simples e seguro, e \u00e9 realizado com a m\u00e1quina ainda quente, \u00e0 temperatura de funcionamento, em vez de fria, no arranque. Trata-se de um teste de aceita\u00e7\u00e3o padr\u00e3o para turbom\u00e1quinas e de um diagn\u00f3stico peri\u00f3dico extremamente valioso a realizar durante uma manuten\u00e7\u00e3o planeada <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/shutdown\/\">encerramento<\/a>.<\/p>\n<h2>1. O procedimento de ensaio<\/h2>\n<p>Um coastdown \u00e9 f\u00e1cil de executar, mas compensa uma prepara\u00e7\u00e3o cuidadosa. Como o processo ocorre apenas uma vez e n\u00e3o pode ser interrompido, todos os canais devem ser configurados e ativados antes de se desligar a alimenta\u00e7\u00e3o.<\/p>\n<h3>Prepara\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Sensores:<\/strong> install <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/accelerometer\/\">aceler\u00f3metros<\/a> em todos os pontos de rolamento; em m\u00e1quinas com rolamentos de pel\u00edcula de fluido, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/proximity-probe\/\">sondas de proximidade<\/a> num eixo X-Y s\u00e3o adicionados para captar diretamente o movimento do eixo.<\/li>\n<li><strong>Refer\u00eancia de velocidade:<\/strong> connect a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/tachometer\/\">tac\u00f3metro<\/a> pela velocidade e, sobretudo, pela <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/phase\/\">fase<\/a> refer\u00eancia que permite monitorizar a amplitude e a fase em fun\u00e7\u00e3o das rota\u00e7\u00f5es por minuto.<\/li>\n<li><strong>Acquisition:<\/strong> configurar o sistema para grava\u00e7\u00e3o cont\u00ednua a uma taxa de amostragem adequada \u00e0 frequ\u00eancia mais elevada de interesse.<\/li>\n<li><strong>Triggering:<\/strong> definir as condi\u00e7\u00f5es de ativa\u00e7\u00e3o \u2014 o intervalo de velocidade e a dura\u00e7\u00e3o a registar.<\/li>\n<\/ul>\n<h3>Execu\u00e7\u00e3o<\/h3>\n<ol>\n<li><strong>Stabilise:<\/strong> manter o equipamento a uma velocidade de funcionamento constante.<\/li>\n<li><strong>Iniciar grava\u00e7\u00e3o:<\/strong> inicie a aquisi\u00e7\u00e3o de dados antes que algo mais mude.<\/li>\n<li><strong>Desligue a alimenta\u00e7\u00e3o:<\/strong> desligar a alimenta\u00e7\u00e3o do motor, cortar o combust\u00edvel da turbina ou eliminar de outra forma o bin\u00e1rio motor.<\/li>\n<li><strong>Monitor:<\/strong> Observe como a vibra\u00e7\u00e3o aumenta \u00e0 medida que a m\u00e1quina abranda.<\/li>\n<li><strong>Registo conclu\u00eddo:<\/strong> continue a gravar at\u00e9 parar completamente ou at\u00e9 atingir a velocidade m\u00ednima desejada.<\/li>\n<li><strong>Save data:<\/strong> arquivar o conjunto de dados completo da desacelera\u00e7\u00e3o por in\u00e9rcia para an\u00e1lise e compara\u00e7\u00e3o futura.<\/li>\n<\/ol>\n<h3>Dura\u00e7\u00e3o<\/h3>\n<p>A dura\u00e7\u00e3o da desacelera\u00e7\u00e3o por in\u00e9rcia depende da in\u00e9rcia do rotor e do atrito e da resist\u00eancia do ar que o travam. Os motores pequenos podem parar em 30 a 60 segundos, enquanto as turbinas grandes podem demorar entre 10 e 30 minutos a parar completamente. Uma desacelera\u00e7\u00e3o por in\u00e9rcia mais longa geralmente proporciona melhores dados: o rotor permanece em cada velocidade, gerando mais pontos de medi\u00e7\u00e3o e uma resolu\u00e7\u00e3o mais precisa nas resson\u00e2ncias que mais importam.<\/p>\n<h2>2. An\u00e1lise dos dados<\/h2>\n<p>A mesma grava\u00e7\u00e3o pode ser processada de v\u00e1rias formas complementares, cada uma delas destacando uma faceta diferente do comportamento da m\u00e1quina.<\/p>\n<h3>Gera\u00e7\u00e3o de Diagrama de Bode<\/h3>\n<ul>\n<li>Extraia a amplitude de vibra\u00e7\u00e3o s\u00edncrona (1\u00d7) em cada velocidade utilizando um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/tracking-filter\/\">filtro de rastreio<\/a>.<\/li>\n<li>Extraia a fase correspondente <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/phase-angle\/\">\u00e2ngulo de fase<\/a> at each speed.<\/li>\n<li>Represente graficamente tanto a amplitude como a fase em fun\u00e7\u00e3o da velocidade.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/critical-speed\/\">Velocidades cr\u00edticas<\/a> manifestam-se como picos de amplitude acompanhados por uma transi\u00e7\u00e3o de fase caracter\u00edstica \u2014 idealmente pr\u00f3xima dos 180\u00b0 ao passar pela resson\u00e2ncia.<\/li>\n<\/ul>\n<h3>Gr\u00e1fico em cascata<\/h3>\n<ul>\n<li>Compute an <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/fft\/\">FFT<\/a> a intervalos regulares de velocidade.<\/li>\n<li>Empilhe os espectros para criar uma imagem tridimensional <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/waterfall-plot\/\">ecr\u00e3 em cascata<\/a>.<\/li>\n<li>Componentes s\u00edncronos em velocidade (1\u00d7, 2\u00d7 e superiores <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/harmonics\/\">harm\u00f3nicos<\/a>) seguem na diagonal \u00e0 medida que a velocidade diminui.<\/li>\n<li>Os componentes de frequ\u00eancia fixa \u2014 frequ\u00eancias naturais estruturais \u2014 apresentam-se como cristas verticais que n\u00e3o se deslocam com a velocidade.<\/li>\n<li>As velocidades cr\u00edticas tornam-se vis\u00edveis quando uma ordem s\u00edncrona atravessa uma dessas cristas de frequ\u00eancia fixa.<\/li>\n<\/ul>\n<h3>An\u00e1lise de \u00f3rbita<\/h3>\n<ul>\n<li>Com os sensores de proximidade X-Y instalados, o eixo <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/orbit\/\">\u00f3rbita<\/a> pode ser reconstru\u00eddo a qualquer velocidade.<\/li>\n<li>A \u00f3rbita altera a sua forma \u00e0 medida que o rotor passa por uma velocidade cr\u00edtica.<\/li>\n<li>S\u00e3o registadas tanto a dire\u00e7\u00e3o da precess\u00e3o como a evolu\u00e7\u00e3o da forma da \u00f3rbita.<\/li>\n<li>Em conjunto, estes elementos proporcionam uma caracteriza\u00e7\u00e3o avan\u00e7ada do comportamento din\u00e2mico do rotor, algo que a amplitude escalar, por si s\u00f3, n\u00e3o consegue fazer.<\/li>\n<\/ul>\n<h2>3. Informa\u00e7\u00f5es extra\u00eddas<\/h2>\n<p>Uma desacelera\u00e7\u00e3o at\u00e9 \u00e0 paragem bem executada permite responder a v\u00e1rias quest\u00f5es de engenharia distintas num \u00fanico teste.<\/p>\n<h3>Pontos de velocidade cr\u00edtica<\/h3>\n<ul>\n<li>A rota\u00e7\u00e3o exata em que cada resson\u00e2ncia ocorre.<\/li>\n<li>A primeira, a segunda e a terceira velocidades cr\u00edticas, caso se situem dentro da gama de funcionamento.<\/li>\n<li>Verifica\u00e7\u00e3o dos valores medidos em rela\u00e7\u00e3o aos c\u00e1lculos de projeto originais.<\/li>\n<li>Uma avalia\u00e7\u00e3o da margem de seguran\u00e7a entre a velocidade de funcionamento e a velocidade cr\u00edtica mais pr\u00f3xima.<\/li>\n<\/ul>\n<h3>Severidade da resson\u00e2ncia<\/h3>\n<ul>\n<li>A amplitude de pico indica o fator de amplifica\u00e7\u00e3o em <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/resonance\/\">resson\u00e2ncia<\/a>.<\/li>\n<li>Picos elevados \u2014 cerca de 5 a 10 vezes o n\u00edvel de refer\u00eancia \u2014 indicam um baixo amortecimento.<\/li>\n<li>Um pico acentuado e estreito \u00e9 mais preocupante do que um pico largo e suave.<\/li>\n<li>Os dados indicam se a vibra\u00e7\u00e3o se mant\u00e9m dentro dos limites aceit\u00e1veis enquanto a m\u00e1quina atravessa a resson\u00e2ncia.<\/li>\n<\/ul>\n<h3>Quantifica\u00e7\u00e3o do amortecimento<\/h3>\n<ul>\n<li>O amortecimento pode ser calculado a partir da acentuada forma do pico (m\u00e9todo do fator Q).<\/li>\n<li>Tamb\u00e9m pode ser calculada a partir da taxa de decaimento no dom\u00ednio do tempo.<\/li>\n<li>No caso de maquinaria industrial t\u00edpica, o r\u00e1cio de amortecimento situa-se no intervalo de 0,01 a 0,10.<\/li>\n<li>Um amortecimento mais baixo implica sempre picos de resson\u00e2ncia mais elevados, pelo que este valor determina diretamente a quantidade de vibra\u00e7\u00e3o produzida por uma velocidade cr\u00edtica.<\/li>\n<\/ul>\n<h2>4. Aplica\u00e7\u00f5es<\/h2>\n<h3>Coloca\u00e7\u00e3o em funcionamento de equipamento novo<\/h3>\n<ul>\n<li>Valida\u00e7\u00e3o inicial de uma m\u00e1quina rec\u00e9m-instalada.<\/li>\n<li>Confirma\u00e7\u00e3o de que as velocidades cr\u00edticas medidas correspondem aos valores previstos, normalmente com uma varia\u00e7\u00e3o de \u00b110\u201315 %.<\/li>\n<li>Verifica\u00e7\u00e3o das margens de separa\u00e7\u00e3o adequadas.<\/li>\n<li>Cria\u00e7\u00e3o de um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/baseline\/\">linha de base<\/a> para compara\u00e7\u00e3o futura.<\/li>\n<li>Cumprir os requisitos de testes de aceita\u00e7\u00e3o previstos no contrato ou na norma.<\/li>\n<\/ul>\n<h3>Resolu\u00e7\u00e3o de problemas de alta vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li>Determinar se a m\u00e1quina est\u00e1 a funcionar a uma velocidade demasiado pr\u00f3xima da velocidade cr\u00edtica.<\/li>\n<li>Identificar resson\u00e2ncias at\u00e9 agora desconhecidas na estrutura ou <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rotor-bearing-system\/\">sistema rotor-mancal<\/a>.<\/li>\n<li>Avaliar o efeito de modifica\u00e7\u00f5es, tais como a substitui\u00e7\u00e3o de rolamentos ou o aumento da massa.<\/li>\n<li>Comparar os resultados dos testes de desacelera\u00e7\u00e3o antes e depois para confirmar se a repara\u00e7\u00e3o foi bem-sucedida.<\/li>\n<\/ul>\n<h3>Avalia\u00e7\u00e3o Peri\u00f3dica de Sa\u00fade<\/h3>\n<ul>\n<li>Uma desacelera\u00e7\u00e3o anual realizada durante uma paragem programada.<\/li>\n<li>Compara\u00e7\u00e3o com a linha de refer\u00eancia de coloca\u00e7\u00e3o em servi\u00e7o, no \u00e2mbito de um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/condition-monitoring\/\">monitoriza\u00e7\u00e3o do estado<\/a> programa.<\/li>\n<li>Detec\u00e7\u00e3o de altera\u00e7\u00f5es na velocidade cr\u00edtica, que indicam altera\u00e7\u00f5es mec\u00e2nicas, tais como <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/looseness\/\">folga<\/a> ou uma altera\u00e7\u00e3o na rigidez do suporte.<\/li>\n<li>Acompanhamento da degrada\u00e7\u00e3o do amortecimento ao longo da vida \u00fatil da m\u00e1quina.<\/li>\n<\/ul>\n<h2>5. Onde o Balanset-1A se encaixa e por que as desacelera\u00e7\u00f5es s\u00e3o melhores do que as acelera\u00e7\u00f5es<\/h2>\n<p>Na pr\u00e1tica, uma medi\u00e7\u00e3o de desacelera\u00e7\u00e3o n\u00e3o requer nada de mais sofisticado do que aceler\u00f3metros, uma refer\u00eancia de fase e um analisador capaz de monitorizar a amplitude e a fase em fun\u00e7\u00e3o da velocidade de queda. Um instrumento port\u00e1til de dois canais, como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> regista a amplitude e a fase s\u00edncronas ao longo de todo o processo de desacelera\u00e7\u00e3o e gera diretamente os gr\u00e1ficos de Bode e espectrais, permitindo que um engenheiro confirme as velocidades cr\u00edticas e as margens de seguran\u00e7a da m\u00e1quina no local \u2014 e, quando o diagn\u00f3stico for <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a> em vez de entrar em resson\u00e2ncia, passar diretamente para <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/equilibrio-de-campos\/\">equilibragem no local<\/a> com o mesmo kit.<\/p>\n<p>Os testes de desacelera\u00e7\u00e3o s\u00e3o frequentemente preferidos em detrimento de uma acelera\u00e7\u00e3o a motor por tr\u00eas raz\u00f5es:<\/p>\n<ul>\n<li><strong>Desacelera\u00e7\u00e3o sem motor:<\/strong> A m\u00e1quina desacelera naturalmente devido ao atrito e ao arrasto do ar, sem complica\u00e7\u00f5es do sistema de controlo, o que simplifica a execu\u00e7\u00e3o.<\/li>\n<li><strong>Altera\u00e7\u00f5es de velocidade mais graduais:<\/strong> o rotor permanece mais tempo em cada velocidade, proporcionando uma melhor resolu\u00e7\u00e3o dos dados, mais pontos em cada velocidade cr\u00edtica e uma medi\u00e7\u00e3o de amortecimento mais precisa.<\/li>\n<li><strong>Ensaios em condi\u00e7\u00f5es de alta temperatura:<\/strong> o equipamento est\u00e1 \u00e0 temperatura de funcionamento, com os rolamentos nas suas folgas reais de funcionamento, pelo que a din\u00e2mica medida representa a m\u00e1quina tal como funciona na realidade \u2014 e n\u00e3o uma aproxima\u00e7\u00e3o a frio.<\/li>\n<\/ul>\n<h2>6. Considera\u00e7\u00f5es pr\u00e1ticas<\/h2>\n<h3>Seguran\u00e7a<\/h3>\n<ul>\n<li>Monitorize continuamente a vibra\u00e7\u00e3o durante a desacelera\u00e7\u00e3o.<\/li>\n<li>Se se tornar excessiva, decida deliberadamente entre uma paragem de emerg\u00eancia e deixar a m\u00e1quina atravessar a resson\u00e2ncia.<\/li>\n<li>Mantenha o pessoal afastado do equipamento durante todo o processo.<\/li>\n<li>Verifique se todos <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/machinery-protection\/\">prote\u00e7\u00e3o de m\u00e1quinas<\/a> e os sistemas de seguran\u00e7a est\u00e3o a funcionar corretamente antes de iniciar.<\/li>\n<\/ul>\n<h3>Qualidade de dados<\/h3>\n<ul>\n<li>Certifique-se de que a desacelera\u00e7\u00e3o \u00e9 est\u00e1vel e suave, em vez de ser irregular.<\/li>\n<li>Utilize uma frequ\u00eancia de amostragem adequada \u00e0s frequ\u00eancias mais altas de interesse para evitar <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/aliasing\/\">aliasing<\/a>.<\/li>\n<li>Mantenha um bom sinal do tac\u00f3metro durante todo o tempo \u2014 uma falha no sinal corrompe o alinhamento de fase.<\/li>\n<li>Recolha um n\u00famero suficiente de m\u00e9dias em cada velocidade.<\/li>\n<\/ul>\n<h3>Repetibilidade<\/h3>\n<ul>\n<li>Realize v\u00e1rias desacelera\u00e7\u00f5es para verificar o resultado.<\/li>\n<li>Compare-os para verificar se est\u00e3o consistentes.<\/li>\n<li>Uma varia\u00e7\u00e3o significativa entre medi\u00e7\u00f5es sugere uma altera\u00e7\u00e3o nas condi\u00e7\u00f5es ou um problema de medi\u00e7\u00e3o, em vez de uma desvio real na m\u00e1quina.<\/li>\n<\/ul>\n<p>A an\u00e1lise de desacelera\u00e7\u00e3o \u00e9 um diagn\u00f3stico fundamental da din\u00e2mica do rotor que fornece uma vis\u00e3o abrangente do comportamento din\u00e2mico de uma m\u00e1quina a partir de uma \u00fanica desacelera\u00e7\u00e3o natural. Os gr\u00e1ficos de Bode e em cascata resultantes identificam as velocidades cr\u00edticas, quantificam o amortecimento e permitem ao engenheiro comparar a m\u00e1quina com as previs\u00f5es de projeto ou com valores de refer\u00eancia hist\u00f3ricos \u2014 raz\u00e3o pela qual os ensaios de desacelera\u00e7\u00e3o s\u00e3o essenciais para a valida\u00e7\u00e3o da coloca\u00e7\u00e3o em servi\u00e7o, a avalia\u00e7\u00e3o peri\u00f3dica do estado e a resolu\u00e7\u00e3o de problemas de resson\u00e2ncia em equipamentos rotativos.<\/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 an\u00e1lise de desacelera\u00e7\u00e3o, medi\u00e7\u00e3o de vibra\u00e7\u00e3o durante a desacelera\u00e7\u00e3o natural para identificar velocidades cr\u00edticas, avaliar o amortecimento e caracterizar o comportamento da din\u00e2mica do rotor.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-78","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/78","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\/78\/revisions"}],"predecessor-version":[{"id":101328,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/78\/revisions\/101328"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=78"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=78"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=78"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}