{"id":52,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/bearing-span\/"},"modified":"2026-07-03T09:51:01","modified_gmt":"2026-07-03T09:51:01","slug":"bearing-span","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/bearing-span\/","title":{"rendered":"O que \u00e9 o v\u00e3o entre os mancais na din\u00e2mica de rotores?"},"content":{"rendered":"<h1>Compreender a dist\u00e2ncia entre mancais na din\u00e2mica de rotores<\/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\/52?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\/52?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\/52?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\/52?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\/52?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\/52?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\/52?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\/52?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\/52?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 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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\/52?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\/52?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\/52?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\/52?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>v\u00e3o de apoio<\/strong> - tamb\u00e9m designado por espa\u00e7amento entre apoios ou v\u00e3o de apoio - \u00e9 a dist\u00e2ncia de centro a centro entre os dois apoios principais de um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rotor\/\">rotor<\/a>. Por mais simples que pare\u00e7a, esta dimens\u00e3o \u00fanica \u00e9 um dos par\u00e2metros mais influentes em toda a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rotor-dynamics\/\">din\u00e2mica do rotor<\/a>, porque define a flex\u00e3o do veio <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/stiffness\/\">rigidez<\/a>, e a rigidez, por sua vez, rege a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/critical-speed\/\">velocidades cr\u00edticas<\/a>, as deflex\u00f5es m\u00e1ximas, as cargas suportadas pelos rolamentos e todo o car\u00e1cter din\u00e2mico do rotor. Para um determinado di\u00e2metro de veio e material, o alongamento do v\u00e3o torna o veio mais flex\u00edvel e reduz as suas velocidades cr\u00edticas; o encurtamento do v\u00e3o torna o veio mais r\u00edgido e eleva-as. Esta alavanca - grande efeito de uma modesta altera\u00e7\u00e3o geom\u00e9trica - \u00e9 o que faz com que o v\u00e3o entre apoios seja uma decis\u00e3o de projeto fundamental e n\u00e3o uma reflex\u00e3o tardia.<\/p>\n<h2>1. Defini\u00e7\u00e3o e primeiros princ\u00edpios<\/h2>\n<p>Entre os seus dois apoios, um veio comporta-se como uma viga simplesmente apoiada, e a mesma mec\u00e2nica que governa qualquer viga governa o rotor. O v\u00e3o \u00e9 o comprimento da viga e, como a deflex\u00e3o da viga \u00e9 proporcional ao cubo do comprimento, a flexibilidade do rotor \u00e9 extremamente sens\u00edvel \u00e0 localiza\u00e7\u00e3o dos rolamentos. Tudo o que se segue - velocidades cr\u00edticas, limites de deflex\u00e3o, cargas nos rolamentos - decorre dessa rela\u00e7\u00e3o c\u00fabica, pelo que vale a pena estabelec\u00ea-la cuidadosamente antes de tirar conclus\u00f5es de projeto.<\/p>\n<h2>2. Efeito na rigidez do rotor<\/h2>\n<h3>A rela\u00e7\u00e3o viga-mec\u00e2nica<\/h3>\n<p>A rigidez do veio entre rolamentos segue a equa\u00e7\u00e3o fundamental da viga:<\/p>\n<blockquote><p><strong>Deflex\u00e3o \u221d L\u00b3 \/ (E \u00d7 I)<\/strong><\/p><\/blockquote>\n<ul>\n<li><strong>L<\/strong> = v\u00e3o de apoio (comprimento).<\/li>\n<li><strong>E<\/strong> = o m\u00f3dulo de elasticidade do material.<\/li>\n<li><strong>I<\/strong> = momento de in\u00e9rcia da \u00e1rea do eixo, ele pr\u00f3prio proporcional ao di\u00e2metro\u2074.<\/li>\n<li><strong>Ponto-chave:<\/strong> A deflex\u00e3o - e portanto a flexibilidade - aumenta com a <em>cubo<\/em> do v\u00e3o.<\/li>\n<\/ul>\n<h3>Implica\u00e7\u00f5es pr\u00e1ticas<\/h3>\n<ul>\n<li>A duplica\u00e7\u00e3o do v\u00e3o da chumaceira aumenta a deforma\u00e7\u00e3o oito vezes (2\u00b3 = 8).<\/li>\n<li>A redu\u00e7\u00e3o do v\u00e3o em 25% reduz a deflex\u00e3o em cerca de 58%.<\/li>\n<li>Pequenas altera\u00e7\u00f5es na localiza\u00e7\u00e3o dos rolamentos podem ter efeitos enormes na rigidez.<\/li>\n<li>Para rotores longos, o v\u00e3o \u00e9 uma alavanca mais poderosa do que o di\u00e2metro do eixo - embora, uma vez que I \u00e9 proporcional ao di\u00e2metro\u2074, o di\u00e2metro seja a alavanca mais forte quando ambos podem ser alterados.<\/li>\n<\/ul>\n<h2>3. Impacto nas velocidades cr\u00edticas<\/h2>\n<h3>A rela\u00e7\u00e3o fundamental<\/h3>\n<p>Para um rotor simples - um eixo uniforme com uma massa concentrada no seu centro - a primeira <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/natural-frequency\/\">frequ\u00eancia natural<\/a> \u00e9 aproximadamente:<\/p>\n<ul>\n<li><strong>f \u221d \u221a(k\/m)<\/strong>, em que k \u00e9 a rigidez do veio e m \u00e9 a massa do rotor.<\/li>\n<li>Como a rigidez \u221d 1\/L\u00b3, segue-se que <strong>f \u221d 1\/L<sup>3\/2<\/sup><\/strong>.<\/li>\n<li><strong>Regra pr\u00e1tica:<\/strong> a primeira velocidade cr\u00edtica varia inversamente com o v\u00e3o da chumaceira elevado \u00e0 pot\u00eancia 1,5.<\/li>\n<\/ul>\n<h3>Implica\u00e7\u00f5es da conce\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>V\u00e3o mais curto:<\/strong> velocidades cr\u00edticas mais elevadas, um rotor mais r\u00edgido, mais adequado ao funcionamento a alta velocidade.<\/li>\n<li><strong>V\u00e3o mais longo:<\/strong> velocidades cr\u00edticas mais baixas, um rotor mais flex\u00edvel que pode ter de funcionar como um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/flexible-rotor\/\">rotor flex\u00edvel<\/a>.<\/li>\n<li><strong>Otimiza\u00e7\u00e3o:<\/strong> um compromisso entre acessibilidade (um v\u00e3o mais longo facilita a montagem) e rigidez (um v\u00e3o mais curto tem melhor desempenho din\u00e2mico).<\/li>\n<\/ul>\n<h3>Exemplo pr\u00e1tico<\/h3>\n<p>Tomemos um rotor de motor com uma primeira velocidade cr\u00edtica de 3000 RPM num v\u00e3o de rolamento de 500 mm:<\/p>\n<ul>\n<li>Aumentar o v\u00e3o para 600 mm (um aumento de 20%).<\/li>\n<li>A velocidade cr\u00edtica desce para 3000 \/ (600\/500)<sup>1.5<\/sup> \u2248 2280 RPM.<\/li>\n<li>Essa queda de 24% pode aproximar perigosamente a velocidade cr\u00edtica da velocidade de funcionamento \u2014 exatamente o tipo de varia\u00e7\u00e3o que vale a pena verificar em rela\u00e7\u00e3o \u00e0 velocidade de rota\u00e7\u00e3o com um <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/rotor-critical-speed\/\">Calculadora de Velocidade Cr\u00edtica do Rotor<\/a>.<\/li>\n<\/ul>\n<h2>4. Considera\u00e7\u00f5es de conce\u00e7\u00e3o<\/h2>\n<p>Posicionar os rolamentos significa conciliar v\u00e1rias exig\u00eancias concorrentes ao mesmo tempo.<\/p>\n<h3>Restri\u00e7\u00f5es mec\u00e2nicas<\/h3>\n<ul>\n<li>Dimens\u00f5es da estrutura da m\u00e1quina e da caixa.<\/li>\n<li>A localiza\u00e7\u00e3o dos componentes do rotor, como os impulsores e os acoplamentos.<\/li>\n<li>Acesso para manuten\u00e7\u00e3o e montagem.<\/li>\n<li>Requisitos de acoplamento e acionamento.<\/li>\n<\/ul>\n<h3>Requisitos din\u00e2micos do rotor<\/h3>\n<ul>\n<li><strong>Separa\u00e7\u00e3o de velocidade cr\u00edtica:<\/strong> colocar os rolamentos de modo a que as velocidades cr\u00edticas se situem a \u00b120-30% da velocidade de funcionamento.<\/li>\n<li><strong>R\u00edgido versus flex\u00edvel:<\/strong> um v\u00e3o mais curto mant\u00e9m o rotor <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rigid-rotor\/\">r\u00edgido<\/a>; um v\u00e3o mais longo pode for\u00e7ar o funcionamento como rotor flex\u00edvel.<\/li>\n<li><strong>Limites de deflex\u00e3o:<\/strong> manter a deflex\u00e3o m\u00e1xima abaixo do ponto em que provoca fric\u00e7\u00f5es ou danos nos vedantes.<\/li>\n<li><strong>Cargas de rolamento<\/strong> Os v\u00e3os mais longos reduzem as cargas est\u00e1ticas das chumaceiras para um determinado peso do rotor.<\/li>\n<\/ul>\n<h3>Fabrico e montagem<\/h3>\n<ul>\n<li>Os v\u00e3os mais longos proporcionam mais espa\u00e7o para o equil\u00edbrio e a montagem.<\/li>\n<li>O alinhamento das chumaceiras \u00e9 mais f\u00e1cil quando o v\u00e3o est\u00e1 aberto e vis\u00edvel.<\/li>\n<li>Os v\u00e3os mais curtos s\u00e3o mais compactos e necessitam de menos material de arma\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>5. Efeito sobre as cargas de suporte<\/h2>\n<h3>Distribui\u00e7\u00e3o da carga est\u00e1tica<\/h3>\n<p>O v\u00e3o da chumaceira determina a forma como o peso e as for\u00e7as do rotor se repartem entre os dois suportes:<\/p>\n<ul>\n<li><strong>V\u00e3o mais longo:<\/strong> cargas de rolamento mais baixas para o mesmo peso de rotor, gra\u00e7as ao bra\u00e7o de alavanca mais longo.<\/li>\n<li><strong>V\u00e3o mais curto:<\/strong> cargas individuais mais elevadas, mas uma distribui\u00e7\u00e3o mais homog\u00e9nea.<\/li>\n<li><strong>Cargas suspensas:<\/strong> o efeito de um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/overhung-rotor\/\">componente suspenso<\/a> \u00e9 amplificado \u00e0 medida que o v\u00e3o se alonga.<\/li>\n<\/ul>\n<h3>Cargas din\u00e2micas de desequil\u00edbrio<\/h3>\n<ul>\n<li>Cargas din\u00e2micas nos rolamentos de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a> dependem da deflex\u00e3o.<\/li>\n<li>Um v\u00e3o mais longo permite uma maior deflex\u00e3o, o que pode reduzir a carga de suporte transmitida.<\/li>\n<li>Mas essa mesma deflex\u00e3o aumenta a amplitude da vibra\u00e7\u00e3o.<\/li>\n<li>Por conseguinte, o projetista faz um compromisso entre a vida \u00fatil do rolamento e o n\u00edvel de vibra\u00e7\u00e3o - um equil\u00edbrio que um bom <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/equilibrio-2\/\">equilibragem<\/a> muda a favor de todos, cortando a pr\u00f3pria excita\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>6. Rela\u00e7\u00e3o com o di\u00e2metro do veio<\/h2>\n<p>O v\u00e3o nunca \u00e9 escolhido isoladamente; deve ser ponderado em conjunto com o di\u00e2metro do veio.<\/p>\n<h3>Rela\u00e7\u00e3o entre o v\u00e3o e o di\u00e2metro (L\/D)<\/h3>\n<ul>\n<li><strong>L\/D &lt; 5:<\/strong> muito r\u00edgidos, com um comportamento de rotor r\u00edgido como norma.<\/li>\n<li><strong>5 &lt; L\/D &lt; 20:<\/strong> flexibilidade moderada, abrangendo a maioria das m\u00e1quinas industriais.<\/li>\n<li><strong>L\/D &gt; 20:<\/strong> altamente flex\u00edveis, em que as considera\u00e7\u00f5es sobre o rotor flex\u00edvel se tornam essenciais.<\/li>\n<\/ul>\n<h3>Estrat\u00e9gia de otimiza\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>V\u00e3o fixo:<\/strong> aumentar o di\u00e2metro para aumentar as velocidades cr\u00edticas.<\/li>\n<li><strong>Di\u00e2metro fixo:<\/strong> diminuir o v\u00e3o para as aumentar.<\/li>\n<li><strong>Otimiza\u00e7\u00e3o combinada:<\/strong> ajustar ambos para atingir os objectivos de velocidade cr\u00edtica e de deflex\u00e3o em conjunto.<\/li>\n<li><strong>Limite pr\u00e1tico:<\/strong> as restri\u00e7\u00f5es de espa\u00e7o fixam geralmente um par\u00e2metro, deixando o outro como \u00fanica vari\u00e1vel livre.<\/li>\n<\/ul>\n<h2>7. Configura\u00e7\u00f5es de rolamentos m\u00faltiplos<\/h2>\n<h3>Suporte standard de dois rolamentos<\/h3>\n<ul>\n<li>A disposi\u00e7\u00e3o mais comum.<\/li>\n<li>Um \u00fanico v\u00e3o define o sistema.<\/li>\n<li>A an\u00e1lise e a conce\u00e7\u00e3o s\u00e3o simples.<\/li>\n<\/ul>\n<h3>Sistemas multi-suporte<\/h3>\n<p>Os rotores com mais de duas chumaceiras t\u00eam mais do que um v\u00e3o a considerar:<\/p>\n<ul>\n<li><strong>Tr\u00eas rolamentos:<\/strong> dois v\u00e3os - por exemplo, um motor com um rolamento central adicional.<\/li>\n<li><strong>Quatro ou mais:<\/strong> m\u00faltiplos v\u00e3os que exigem uma an\u00e1lise mais complexa.<\/li>\n<li><strong>V\u00e3o efetivo:<\/strong> para trabalhos de vibra\u00e7\u00e3o, cada <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/mode-shape\/\">forma modal<\/a> pode ter o seu pr\u00f3prio v\u00e3o efetivo.<\/li>\n<li><strong>Din\u00e2mica acoplada:<\/strong> os v\u00e3os interagem, moldando o comportamento global do sistema.<\/li>\n<\/ul>\n<h2>8. Medi\u00e7\u00e3o, verifica\u00e7\u00e3o e readapta\u00e7\u00f5es<\/h2>\n<h3>Verifica\u00e7\u00e3o do \"as-built<\/h3>\n<ul>\n<li>Medir o v\u00e3o real da chumaceira durante a instala\u00e7\u00e3o.<\/li>\n<li>Confirmar que corresponde \u00e0 especifica\u00e7\u00e3o do projeto, normalmente com uma precis\u00e3o de \u00b15 mm.<\/li>\n<li>Registar as dimens\u00f5es \"as-built\" para os c\u00e1lculos din\u00e2micos do rotor.<\/li>\n<li>Verificar o alinhamento dos eixos das chumaceiras.<\/li>\n<\/ul>\n<h3>Efeito das varia\u00e7\u00f5es de instala\u00e7\u00e3o<\/h3>\n<ul>\n<li>Os erros de posi\u00e7\u00e3o das chumaceiras alteram as velocidades cr\u00edticas previstas.<\/li>\n<li>O desalinhamento introduz cargas adicionais.<\/li>\n<li>O assentamento da funda\u00e7\u00e3o pode alterar o v\u00e3o efetivo ao longo do tempo.<\/li>\n<li>A dilata\u00e7\u00e3o t\u00e9rmica pode alterar o v\u00e3o efetivo \u00e0 temperatura de funcionamento.<\/li>\n<\/ul>\n<h3>Quando modificar o v\u00e3o entre rolamentos<\/h3>\n<p>O reposicionamento de um rolamento \u00e9 considerado quando:<\/p>\n<ul>\n<li>A m\u00e1quina trabalha demasiado perto de uma velocidade cr\u00edtica.<\/li>\n<li>Deflex\u00e3o excessiva do eixo causando atrito ou problemas de veda\u00e7\u00e3o<\/li>\n<li>As cargas das chumaceiras s\u00e3o demasiado elevadas ou repartidas de forma desigual.<\/li>\n<li>A conce\u00e7\u00e3o est\u00e1 a mudar entre o funcionamento com rotor r\u00edgido e flex\u00edvel.<\/li>\n<\/ul>\n<h3>Desafios da modifica\u00e7\u00e3o de v\u00e3os<\/h3>\n<ul>\n<li><strong>Altera\u00e7\u00f5es estruturais:<\/strong> podem ser necess\u00e1rias modifica\u00e7\u00f5es na estrutura ou na caixa.<\/li>\n<li><strong>Impacto do alinhamento:<\/strong> a desloca\u00e7\u00e3o de um rolamento afeta o alinhamento com o equipamento acionado.<\/li>\n<li><strong>Custo:<\/strong> as despesas de altera\u00e7\u00e3o significativas devem ser justificadas pelo benef\u00edcio.<\/li>\n<li><strong>Valida\u00e7\u00e3o:<\/strong> s\u00e3o necess\u00e1rios ensaios para confirmar a melhoria \u2014 incluindo uma nova verifica\u00e7\u00e3o do desequil\u00edbrio residual <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> ap\u00f3s a mudan\u00e7a. Um analisador port\u00e1til como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> faz com que essa confirma\u00e7\u00e3o seja simples, captando a vibra\u00e7\u00e3o da chumaceira e o comportamento da velocidade cr\u00edtica no local, de modo a que a adapta\u00e7\u00e3o possa ser assinada com base em dados medidos e n\u00e3o apenas em previs\u00f5es.<\/li>\n<\/ul>\n<p>O v\u00e3o entre rolamentos \u00e9 um par\u00e2metro geom\u00e9trico fundamental que molda profundamente o comportamento din\u00e2mico do rotor. Escolh\u00ea-lo bem durante o projeto e verific\u00e1-lo com precis\u00e3o durante a instala\u00e7\u00e3o \u00e9 essencial para conseguir a separa\u00e7\u00e3o da velocidade cr\u00edtica, n\u00edveis de vibra\u00e7\u00e3o aceit\u00e1veis e um funcionamento fi\u00e1vel a longo prazo de que todas as m\u00e1quinas rotativas dependem.<\/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 o v\u00e3o entre os mancais, a dist\u00e2ncia entre os mancais de suporte do rotor que afeta criticamente a rigidez do eixo, as velocidades cr\u00edticas e as caracter\u00edsticas de deflex\u00e3o em m\u00e1quinas rotativas.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-52","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/52","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\/52\/revisions"}],"predecessor-version":[{"id":102151,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/52\/revisions\/102151"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=52"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=52"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=52"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}