{"id":275,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/torsional-vibration\/"},"modified":"2026-07-03T10:16:55","modified_gmt":"2026-07-03T10:16:55","slug":"torsional-vibration","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/torsional-vibration\/","title":{"rendered":"O que \u00e9 vibra\u00e7\u00e3o torsional? Causas e efeitos."},"content":{"rendered":"<h1>Compreender a vibra\u00e7\u00e3o torsional em m\u00e1quinas rotativas<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" title=\"Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kit completo de balanceador port\u00e1til e analisador de vibra\u00e7\u00f5es\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" title=\"Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A\">Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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 torcional<\/strong> \u00e9 a oscila\u00e7\u00e3o angular de um eixo rotativo em torno do seu pr\u00f3prio eixo \u2014 um movimento de tor\u00e7\u00e3o e destor\u00e7\u00e3o em que diferentes sec\u00e7\u00f5es do eixo rodam momentaneamente a velocidades ligeiramente diferentes. Ao contr\u00e1rio de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/lateral-vibration\/\">vibra\u00e7\u00e3o lateral<\/a> (movimento de um lado para o outro) ou <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/axial-vibration\/\">vibra\u00e7\u00e3o axial<\/a> (movimento de vaiv\u00e9m ao longo do eixo), a vibra\u00e7\u00e3o torcional n\u00e3o envolve qualquer deslocamento linear; o eixo simplesmente acelera e desacelera em torno da rota\u00e7\u00e3o m\u00e9dia, sofrendo acelera\u00e7\u00f5es angulares alternadamente positivas e negativas. Embora as suas amplitudes sejam geralmente muito menores do que as da vibra\u00e7\u00e3o lateral e seja notoriamente dif\u00edcil de detetar, pode gerar enormes tens\u00f5es alternadas em eixos, acoplamentos e engrenagens \u2014 e \u00e9 um dos poucos modos de falha que podem destruir um sistema de transmiss\u00e3o quase sem aviso pr\u00e9vio.<\/p>\n<h2>1. O mecanismo f\u00edsico<\/h2>\n<h3>Como ocorre a vibra\u00e7\u00e3o torsional<\/h3>\n<p>A forma mais f\u00e1cil de imaginar este mecanismo \u00e9 como um sistema mola-massa enrolado em torno do eixo de rota\u00e7\u00e3o:<\/p>\n<ul>\n<li>Imagine um eixo longo conectando um motor a uma carga acionada.<\/li>\n<li>O eixo comporta-se como uma mola de tor\u00e7\u00e3o, acumulando e libertando energia \u00e0 medida que se torce.<\/li>\n<li>Quando um bin\u00e1rio vari\u00e1vel o perturba, o eixo oscila, com sec\u00e7\u00f5es a rodar mais depressa e mais devagar do que a velocidade m\u00e9dia.<\/li>\n<li>Estas oscila\u00e7\u00f5es intensificam-se drasticamente se a frequ\u00eancia de excita\u00e7\u00e3o coincidir com uma frequ\u00eancia natural de tor\u00e7\u00e3o \u2014 uma tor\u00e7\u00e3o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/resonance\/\">resson\u00e2ncia<\/a>.<\/li>\n<\/ul>\n<h3>Frequ\u00eancias Naturais Torsionais<\/h3>\n<p>Cada sistema de eixos tem frequ\u00eancias naturais de tor\u00e7\u00e3o determinadas por:<\/p>\n<ul>\n<li><strong>Rigidez torcional do eixo:<\/strong> uma fun\u00e7\u00e3o do di\u00e2metro do eixo, do comprimento e do m\u00f3dulo de corte do material.<\/li>\n<li><strong>In\u00e9rcia do sistema:<\/strong> os momentos de in\u00e9rcia dos componentes rotativos ligados \u2014 rotor do motor, acoplamentos, engrenagens e carga.<\/li>\n<li><strong>M\u00faltiplos modos:<\/strong> Os sistemas de transmiss\u00e3o complexos t\u00eam v\u00e1rias frequ\u00eancias naturais de tor\u00e7\u00e3o, e n\u00e3o apenas uma.<\/li>\n<li><strong>Efeitos de acoplamento:<\/strong> Os acoplamentos flex\u00edveis aumentam a flexibilidade torsional, reduzindo as frequ\u00eancias naturais.<\/li>\n<\/ul>\n<p>Uma vez que estas frequ\u00eancias dependem apenas da rigidez e da in\u00e9rcia \u2014 e nunca dos rolamentos ou da funda\u00e7\u00e3o \u2014, uma m\u00e1quina que seja mecanicamente silenciosa no sentido radial pode, ainda assim, estar sujeita a uma resson\u00e2ncia torcional perigosa.<\/p>\n<h2>2. Principais causas da vibra\u00e7\u00e3o torcional<\/h2>\n<h3>1. Torque vari\u00e1vel em motores alternativos<\/h3>\n<p>A fonte mais comum em muitas aplica\u00e7\u00f5es:<\/p>\n<ul>\n<li><strong>Motores a diesel e a gasolina:<\/strong> cada ciclo de combust\u00e3o produz um impulso de bin\u00e1rio, em vez de um impulso suave.<\/li>\n<li><strong>Ordem de igni\u00e7\u00e3o:<\/strong> gera harm\u00f3nicos da rota\u00e7\u00e3o do motor.<\/li>\n<li><strong>N\u00famero de cilindros:<\/strong> Um n\u00famero menor de cilindros produz uma maior varia\u00e7\u00e3o de bin\u00e1rio por volta.<\/li>\n<li><strong>Risco de resson\u00e2ncia:<\/strong> a velocidade de funcionamento pode coincidir com uma tor\u00e7\u00e3o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/critical-speed\/\">velocidade cr\u00edtica<\/a>.<\/li>\n<\/ul>\n<h3>2. For\u00e7as de Engrenamento<\/h3>\n<p>Os sistemas de engrenagens geram, naturalmente, excita\u00e7\u00e3o torcional:<\/p>\n<ul>\n<li>O <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/gear-mesh-frequency\/\">frequ\u00eancia de engrenamento<\/a> (n\u00famero de dentes \u00d7 RPM) produz um bin\u00e1rio oscilante.<\/li>\n<li>A isso juntam-se erros no espa\u00e7amento dent\u00e1rio e imprecis\u00f5es no perfil.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/backlash\/\">Gear backlash<\/a> pode causar cargas de impacto \u00e0 medida que os dentes se separam e voltam a encaixar.<\/li>\n<li>V\u00e1rias etapas de engrenagens criam sistemas de tor\u00e7\u00e3o complexos e multimodo.<\/li>\n<\/ul>\n<h3>3. Problemas com o motor el\u00e9trico<\/h3>\n<p>Os motores el\u00e9tricos podem gerar perturba\u00e7\u00f5es de tor\u00e7\u00e3o por si pr\u00f3prios:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/pole-pass-frequency\/\">Frequ\u00eancia de passagem dos polos<\/a>:<\/strong> A intera\u00e7\u00e3o entre o rotor e o estator cria um torque pulsante.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/broken-rotor-bars\/\">barras do rotor quebradas<\/a>:<\/strong> gerar impulsos de bin\u00e1rio no <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/slip-frequency\/\">frequ\u00eancia de escorregamento<\/a>.<\/li>\n<li><strong>Variadores de frequ\u00eancia (VFDs):<\/strong> A comuta\u00e7\u00e3o PWM pode excitar diretamente os modos de tor\u00e7\u00e3o.<\/li>\n<li><strong>Transientes de arranque:<\/strong> O arranque de um motor provoca grandes oscila\u00e7\u00f5es de bin\u00e1rio \u00e0 medida que o rotor acelera.<\/li>\n<\/ul>\n<h3>4. Varia\u00e7\u00f5es de carga do processo<\/h3>\n<p>A carga vari\u00e1vel no equipamento acionado reverte impulsos de bin\u00e1rio para o sistema de transmiss\u00e3o:<\/p>\n<ul>\n<li>Compressor <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/surging\/\">surge<\/a> events.<\/li>\n<li>Bomba <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/cavitation\/\">cavita\u00e7\u00e3o<\/a> provocando picos de bin\u00e1rio.<\/li>\n<li>Cargas c\u00edclicas em trituradores, moinhos e prensas.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/blade-passing-frequency\/\">Blade-passing<\/a> for\u00e7as nos ventiladores e nas turbinas.<\/li>\n<\/ul>\n<h3>5. Problemas de acoplamento e transmiss\u00e3o<\/h3>\n<ul>\n<li>Acoplamentos gastos ou danificados com folga ou jogo \u2014 ver <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/coupling-defects\/\">defeitos de acoplamento<\/a>.<\/li>\n<li>Juntas universais que funcionam em \u00e2ngulo, o que gera uma excita\u00e7\u00e3o torcional dupla.<\/li>\n<li>Deslizamento e vibra\u00e7\u00e3o na transmiss\u00e3o por correia.<\/li>\n<li>Mecanismo de pol\u00edgonos com transmiss\u00e3o por corrente.<\/li>\n<\/ul>\n<h2>3. Desafios na dete\u00e7\u00e3o e medi\u00e7\u00e3o<\/h2>\n<h3>Por que a vibra\u00e7\u00e3o torsional \u00e9 dif\u00edcil de detectar?<\/h3>\n<p>Ao contr\u00e1rio da vibra\u00e7\u00e3o lateral, a vibra\u00e7\u00e3o torcional n\u00e3o \u00e9 detectada pelas ferramentas padr\u00e3o:<\/p>\n<ul>\n<li><strong>Sem deslocamento radial:<\/strong> ordinary <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/accelerometer\/\">aceler\u00f3metros<\/a> nos suportes dos rolamentos simplesmente n\u00e3o \u00e9 poss\u00edvel detetar um movimento puramente torcional.<\/li>\n<li><strong>Pequenas amplitudes angulares:<\/strong> As amplitudes t\u00edpicas s\u00e3o fra\u00e7\u00f5es de um grau.<\/li>\n<li><strong>Equipamento especializado necess\u00e1rio:<\/strong> s\u00e3o necess\u00e1rios sensores de tor\u00e7\u00e3o espec\u00edficos ou an\u00e1lises sofisticadas.<\/li>\n<li><strong>Muitas vezes esquecido:<\/strong> raramente faz parte de uma rotina <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration-monitoring\/\">monitoriza\u00e7\u00e3o de vibra\u00e7\u00f5es<\/a> programa, pelo que o primeiro sinal \u00e9 frequentemente uma falha.<\/li>\n<\/ul>\n<h3>M\u00e9todos de medi\u00e7\u00e3o<\/h3>\n<h4>1. Extens\u00f4metros<\/h4>\n<ul>\n<li>Montado a 45\u00b0 em rela\u00e7\u00e3o ao eixo do eixo para medir a deforma\u00e7\u00e3o por cisalhamento.<\/li>\n<li>Require a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/telemetry\/\">telemetria<\/a> sistema para transmitir o sinal a partir do eixo rotativo.<\/li>\n<li>Forne\u00e7a uma medi\u00e7\u00e3o direta da tens\u00e3o de tor\u00e7\u00e3o.<\/li>\n<li>O m\u00e9todo mais preciso, mas complexo e dispendioso.<\/li>\n<\/ul>\n<h4>2. Sensores de vibra\u00e7\u00e3o torsional de sonda dupla<\/h4>\n<ul>\n<li>Dois sensores \u00f3ticos ou magn\u00e9ticos medem a velocidade em diferentes pontos do eixo.<\/li>\n<li>A diferen\u00e7a de fase entre os dois sinais revela a vibra\u00e7\u00e3o torcional.<\/li>\n<li>Medi\u00e7\u00e3o sem contacto.<\/li>\n<li>Pode ser instalado de forma tempor\u00e1ria ou permanente.<\/li>\n<\/ul>\n<h4>3. Vibr\u00f4metros de tor\u00e7\u00e3o a laser<\/h4>\n<ul>\n<li>Medi\u00e7\u00e3o \u00f3tica das varia\u00e7\u00f5es da velocidade angular do eixo.<\/li>\n<li>Sem contacto, sem necessidade de prepara\u00e7\u00e3o do eixo.<\/li>\n<li>\u00c9 caro, mas \u00e9 muito \u00fatil para a resolu\u00e7\u00e3o de problemas.<\/li>\n<\/ul>\n<h4>4. Indicadores indiretos<\/h4>\n<ul>\n<li>A an\u00e1lise da assinatura da corrente do motor (MCSA) pode revelar problemas de tor\u00e7\u00e3o do ponto de vista el\u00e9trico.<\/li>\n<li>Padr\u00f5es de desgaste dos acoplamentos e dos dentes das engrenagens.<\/li>\n<li>Eixo <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/fatigue\/\">fadiga<\/a>- localiza\u00e7\u00e3o e orienta\u00e7\u00e3o das fissuras.<\/li>\n<li>Padr\u00f5es incomuns de vibra\u00e7\u00e3o lateral que podem estar acoplados a modos de tor\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>4. Consequ\u00eancias e mecanismos de danos<\/h2>\n<h3>Falhas por fadiga<\/h3>\n<p>O principal risco da vibra\u00e7\u00e3o torcional \u00e9 a fadiga de alto ciclo:<\/p>\n<ul>\n<li><strong>Falhas no veio:<\/strong> As fissuras por fadiga ocorrem normalmente a 45\u00b0 em rela\u00e7\u00e3o ao eixo do eixo, ao longo dos planos de tens\u00e3o de cisalhamento m\u00e1xima.<\/li>\n<li><strong>Falhas no acoplamento:<\/strong> desgaste dos dentes das engrenagens e fadiga dos elementos flex\u00edveis.<\/li>\n<li><strong>Quebra dos dentes da engrenagem:<\/strong> acelerado pela oscila\u00e7\u00e3o torcional, contribuindo para <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/gear-defects\/\">defeitos de engrenagem<\/a>.<\/li>\n<li><strong>Danos na chave e na ranhura:<\/strong> desgaste por fretting e desgaste causado pelo bin\u00e1rio em constante invers\u00e3o.<\/li>\n<\/ul>\n<h3>Caracter\u00edsticas das falhas por tor\u00e7\u00e3o<\/h3>\n<ul>\n<li>Muitas vezes repentino e catastr\u00f3fico, sem qualquer aviso pr\u00e9vio.<\/li>\n<li>As superf\u00edcies de fratura formam um \u00e2ngulo de aproximadamente 45\u00b0 em rela\u00e7\u00e3o ao eixo do veio.<\/li>\n<li>Marcas em forma de praia na superf\u00edcie da fratura, que mostram a progress\u00e3o da fissura por fadiga.<\/li>\n<li>Pode ocorrer mesmo quando os n\u00edveis de vibra\u00e7\u00e3o lateral s\u00e3o perfeitamente aceit\u00e1veis \u2014 raz\u00e3o pela qual os problemas de tor\u00e7\u00e3o s\u00e3o tantas vezes ignorados.<\/li>\n<\/ul>\n<h3>Problemas de desempenho<\/h3>\n<ul>\n<li>Problemas de controlo de velocidade em acionamentos de precis\u00e3o.<\/li>\n<li>Desgaste excessivo nas caixas de velocidades e nos acoplamentos.<\/li>\n<li>Ru\u00eddo proveniente do castanhar das engrenagens e dos impactos do acoplamento.<\/li>\n<li>Inefici\u00eancia na transmiss\u00e3o de pot\u00eancia.<\/li>\n<\/ul>\n<h2>5. An\u00e1lise e modeliza\u00e7\u00e3o<\/h2>\n<h3>An\u00e1lise torsional durante o projeto<\/h3>\n<p>Um projeto s\u00f3lido exige uma abordagem dedicada <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/torsional-analysis\/\">an\u00e1lise de tor\u00e7\u00e3o<\/a>:<\/p>\n<ul>\n<li><strong>C\u00e1lculo da frequ\u00eancia natural:<\/strong> determinar todas as velocidades cr\u00edticas de tor\u00e7\u00e3o.<\/li>\n<li><strong>An\u00e1lise de resposta for\u00e7ada:<\/strong> prever as amplitudes de tor\u00e7\u00e3o nas condi\u00e7\u00f5es de funcionamento.<\/li>\n<li><strong>Diagrama de Campbell:<\/strong> um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/campbell-diagram\/\">Diagrama de Campbell<\/a> representa graficamente as frequ\u00eancias naturais de tor\u00e7\u00e3o em fun\u00e7\u00e3o da velocidade de funcionamento, a fim de identificar coincid\u00eancias.<\/li>\n<li><strong>An\u00e1lise de tens\u00f5es:<\/strong> calcular as tens\u00f5es de cisalhamento alternadas nos componentes cr\u00edticos.<\/li>\n<li><strong>Previs\u00e3o da vida \u00fatil em condi\u00e7\u00f5es de fadiga:<\/strong> estimar a vida \u00fatil dos componentes sob carga de tor\u00e7\u00e3o \u2014 a <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/fatigue-life-calculator\/\">calculadora de vida \u00fatil por fadiga<\/a> converte a tens\u00e3o alternada e uma curva S-N num n\u00famero esperado de ciclos.<\/li>\n<\/ul>\n<h3>Ferramentas de Software<\/h3>\n<p>O software especializado realiza as an\u00e1lises mais complexas:<\/p>\n<ul>\n<li>Modelos de massa concentrada com m\u00faltiplas in\u00e9rcias.<\/li>\n<li>An\u00e1lise de tor\u00e7\u00e3o por elementos finitos.<\/li>\n<li>Simula\u00e7\u00e3o no dom\u00ednio do tempo de eventos transit\u00f3rios, tais como arranques de motores e curto-circuitos.<\/li>\n<li>An\u00e1lise harm\u00f3nica no dom\u00ednio da frequ\u00eancia.<\/li>\n<\/ul>\n<h2>6. M\u00e9todos de mitiga\u00e7\u00e3o e controlo<\/h2>\n<h3>Solu\u00e7\u00f5es de conce\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Margens de separa\u00e7\u00e3o:<\/strong> manter as frequ\u00eancias naturais de tor\u00e7\u00e3o a uma dist\u00e2ncia de, pelo menos, \u00b120 % das frequ\u00eancias de excita\u00e7\u00e3o.<\/li>\n<li><strong>Amortecimento:<\/strong> incorporar amortecedores de tor\u00e7\u00e3o (do tipo viscoso ou de atrito) para dissipar energia \u2014 a vertente pr\u00e1tica da mec\u00e2nica <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/damping\/\">amortecimento<\/a>.<\/li>\n<li><strong>Acoplamentos flex\u00edveis:<\/strong> adicionar flexibilidade torcional para reduzir as frequ\u00eancias naturais para valores inferiores \u00e0 faixa de excita\u00e7\u00e3o.<\/li>\n<li><strong>Mass tuning:<\/strong> Adicione volantes ou modifique as in\u00e9rcias para alterar as frequ\u00eancias naturais.<\/li>\n<li><strong>Altera\u00e7\u00f5es na rigidez:<\/strong> alterar os di\u00e2metros dos eixos ou a rigidez do acoplamento.<\/li>\n<\/ul>\n<h3>Solu\u00e7\u00f5es Operacionais<\/h3>\n<ul>\n<li><strong>Limita\u00e7\u00f5es de velocidade:<\/strong> evitar o funcionamento cont\u00ednuo a uma velocidade cr\u00edtica de tor\u00e7\u00e3o.<\/li>\n<li><strong>Acelera\u00e7\u00e3o r\u00e1pida:<\/strong> ultrapassar rapidamente as velocidades cr\u00edticas durante o arranque.<\/li>\n<li><strong>Gest\u00e3o da carga:<\/strong> evitar condi\u00e7\u00f5es de funcionamento que provoquem os modos de tor\u00e7\u00e3o.<\/li>\n<li><strong>VFD tuning:<\/strong> ajustar os par\u00e2metros do acionamento para minimizar a excita\u00e7\u00e3o torcional.<\/li>\n<\/ul>\n<h3>Sele\u00e7\u00e3o de componentes<\/h3>\n<ul>\n<li><strong>Acoplamentos de alto amortecimento:<\/strong> acoplamentos elastom\u00e9ricos ou hidr\u00e1ulicos que absorvem a energia de tor\u00e7\u00e3o.<\/li>\n<li><strong>Amortecedores de tor\u00e7\u00e3o:<\/strong> dispositivos concebidos especificamente para acionamentos de motores alternativos.<\/li>\n<li><strong>Qualidade da engrenagem:<\/strong> As engrenagens de precis\u00e3o com toler\u00e2ncias reduzidas diminuem a excita\u00e7\u00e3o na fonte.<\/li>\n<li><strong>Material do veio:<\/strong> Materiais de alta resist\u00eancia \u00e0 fadiga para eixos sujeitos a tor\u00e7\u00e3o cr\u00edtica<\/li>\n<\/ul>\n<h2>7. Aplica\u00e7\u00f5es e normas do setor<\/h2>\n<h3>Aplica\u00e7\u00f5es Cr\u00edticas<\/h3>\n<p>A an\u00e1lise de tor\u00e7\u00e3o \u00e9 especialmente importante para:<\/p>\n<ul>\n<li><strong>Sistemas de acionamento com motor alternativo:<\/strong> geradores a diesel e compressores a g\u00e1s.<\/li>\n<li><strong>Eixos de transmiss\u00e3o longos:<\/strong> propuls\u00e3o naval e laminadores.<\/li>\n<li><strong>Caixas de velocidades de alta pot\u00eancia:<\/strong> turbinas e\u00f3licas e transmiss\u00f5es industriais.<\/li>\n<li><strong>Variadores de velocidade:<\/strong> Aplica\u00e7\u00f5es de motores com variadores de frequ\u00eancia e sistemas servo.<\/li>\n<li><strong>Sistemas de m\u00faltiplos corpos:<\/strong> sistemas de transmiss\u00e3o complexos com v\u00e1rias m\u00e1quinas interligadas.<\/li>\n<\/ul>\n<h3>Normas Relevantes<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/api-684\/\">API 684<\/a>:<\/strong> din\u00e2mica de rotores, incluindo procedimentos de an\u00e1lise torcional.<\/li>\n<li><strong>API 617:<\/strong> requisitos de tor\u00e7\u00e3o para compressores centr\u00edfugos.<\/li>\n<li><strong>API 672:<\/strong> an\u00e1lise torcional para compressores alternativos compactos.<\/li>\n<li><strong>ISO 22266:<\/strong> vibra\u00e7\u00e3o torcional de m\u00e1quinas rotativas.<\/li>\n<li><strong>VDI 2039:<\/strong> vibra\u00e7\u00e3o torsional de linhas de transmiss\u00e3o &mdash; c\u00e1lculo, medi\u00e7\u00e3o, redu\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>8. Rela\u00e7\u00e3o com outros tipos de vibra\u00e7\u00e3o<\/h2>\n<p>Embora seja distinta da vibra\u00e7\u00e3o lateral e axial, a vibra\u00e7\u00e3o torcional nem sempre permanece isolada \u2014 pode acoplar-se aos outros modos:<\/p>\n<ul>\n<li><strong>Acoplamento lateral-torcional:<\/strong> Em determinadas geometrias, os modos torcionais e os modos laterais interagem e trocam energia.<\/li>\n<li><strong>Malha de engrenagens:<\/strong> A vibra\u00e7\u00e3o torcional altera as cargas nos dentes, o que, por sua vez, provoca vibra\u00e7\u00e3o lateral.<\/li>\n<li><strong>Juntas universais:<\/strong> angular <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">desalinhamento<\/a> converte uma excita\u00e7\u00e3o torcional numa resposta lateral.<\/li>\n<li><strong>Desafio de diagn\u00f3stico:<\/strong> Um padr\u00e3o de vibra\u00e7\u00e3o complexo pode incluir contribui\u00e7\u00f5es de v\u00e1rios tipos de vibra\u00e7\u00e3o ao mesmo tempo, raz\u00e3o pela qual uma avaria que resiste ao equil\u00edbrio ou ao alinhamento acaba, por vezes, por revelar ter origem torcional.<\/li>\n<\/ul>\n<p>No trabalho de campo de rotina, a li\u00e7\u00e3o pr\u00e1tica \u00e9 que os problemas de tor\u00e7\u00e3o se escondem por tr\u00e1s de leituras radiais aparentemente corretas. Quando um analisador port\u00e1til, como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> confirma que 1X <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a> e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">desalinhamento<\/a> Se os valores se encontram dentro dos limites de toler\u00e2ncia, mas o sistema de transmiss\u00e3o continua a sofrer falhas repetidas no eixo, no acoplamento ou nas engrenagens, a an\u00e1lise das vibra\u00e7\u00f5es torcionais \u00e9 o pr\u00f3ximo passo l\u00f3gico. Compreender e gerir as vibra\u00e7\u00f5es torcionais \u00e9 essencial para o funcionamento fi\u00e1vel dos sistemas de transmiss\u00e3o de pot\u00eancia: embora recebam menos aten\u00e7\u00e3o do que as vibra\u00e7\u00f5es laterais na monitoriza\u00e7\u00e3o de rotina, s\u00e3o fundamentais durante a conce\u00e7\u00e3o e a resolu\u00e7\u00e3o de problemas em acionamentos de alta pot\u00eancia ou de precis\u00e3o, onde as falhas torcionais podem ser catastr\u00f3ficas.<\/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 torsional, a oscila\u00e7\u00e3o de tor\u00e7\u00e3o de eixos rotativos em torno de seu eixo que pode causar falhas por fadiga em acoplamentos, engrenagens e transmiss\u00f5es.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-275","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/275","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":2,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/275\/revisions"}],"predecessor-version":[{"id":102192,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/275\/revisions\/102192"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}