{"id":123,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/foundation-stiffness\/"},"modified":"2026-05-23T22:51:22","modified_gmt":"2026-05-23T22:51:22","slug":"foundation-stiffness","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt-br\/glossary\/foundation-stiffness\/","title":{"rendered":"O que \u00e9 Rigidez da Funda\u00e7\u00e3o? Din\u00e2mica Estrutural"},"content":{"rendered":"<h1>Compreendendo a Rigidez da Funda\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-br\/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-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer 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 full kit portable balancer and vibration analyzer\" 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-br\/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-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">Balanceador port\u00e1til &#038; Analisador de vibra\u00e7\u00e3o 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\">&euro;<\/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-br\/wp-json\/wp\/v2\/glossary\/123?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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/wp-json\/wp\/v2\/glossary\/123?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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/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=\"Balanset-1A vibration sensor close-up\" 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-br\/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-br\/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\">&euro;<\/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-br\/wp-json\/wp\/v2\/glossary\/123?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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/wp-json\/wp\/v2\/glossary\/123?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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a 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 \u00d3ptico (Tac\u00f4metro a 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-br\/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-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">Sensor \u00d3ptico (Tac\u00f4metro a 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\">&euro;<\/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-br\/wp-json\/wp\/v2\/glossary\/123?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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/wp-json\/wp\/v2\/glossary\/123?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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/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=\"Vibromera rotor balancing kit: carry case, multi-channel signal conditioner, handheld analyzer, magnetic base, vibration sensors, and coiled cables.\" 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-br\/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-br\/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\">&euro;<\/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-br\/wp-json\/wp\/v2\/glossary\/123?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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/wp-json\/wp\/v2\/glossary\/123?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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/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=\"Magnet base.\" 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-br\/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-br\/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\">&euro;<\/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-br\/wp-json\/wp\/v2\/glossary\/123?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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/wp-json\/wp\/v2\/glossary\/123?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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">\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 refletiva\" 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-br\/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-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">Fita refletiva<\/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\">&euro;<\/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-br\/wp-json\/wp\/v2\/glossary\/123?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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/wp-json\/wp\/v2\/glossary\/123?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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d 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=\"Balanset-1A kit contents with interface unit, sensors, tachometer and accessories\" 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-br\/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-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM\">Balanceador din\u00e2mico \u201cBalanset-1A\u201d 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\">&euro;<\/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-br\/wp-json\/wp\/v2\/glossary\/123?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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/wp-json\/wp\/v2\/glossary\/123?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=\"Adicione 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 ao carrinho<\/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>Rigidez da funda\u00e7\u00e3o<\/strong> \u00e9 a resist\u00eancia de toda a estrutura de suporte de uma m\u00e1quina \u2014 placa de base, argamassa de nivelamento, bloco de concreto, pedestais e o solo subjacente \u2014 \u00e0 deflex\u00e3o sob as for\u00e7as est\u00e1ticas e din\u00e2micas que uma m\u00e1quina rotativa imp\u00f5e a ela. \u00c9 quantificada como for\u00e7a por unidade de deflex\u00e3o (N\/mm, N\/m ou lbf\/in) e responde a uma quest\u00e3o enganosamente simples: o qu\u00e3o longe a funda\u00e7\u00e3o se move quando a m\u00e1quina empurra contra ela? Esse \u00fanico n\u00famero repercute por toda a m\u00e1quina, porque a rigidez da funda\u00e7\u00e3o \u00e9 um componente da <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/stiffness\/\">rigidez<\/a> cadeia que, junto com a rigidez do rotor e dos rolamentos, governa <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-dynamics\/\">din\u00e2mica do rotor<\/a> comportamento. Errar nisso e uma m\u00e1quina, de outra forma excelente, pode sofrer redu\u00e7\u00e3o de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/critical-speed\/\">velocidades cr\u00edticas<\/a>, vibra\u00e7\u00e3o amplificada <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a>, desalinhamento inst\u00e1vel e vida \u00fatil reduzida.<\/p>\n<h2>1. Defini\u00e7\u00e3o e Por que \u00e9 Importante<\/h2>\n<p>Uma funda\u00e7\u00e3o raramente \u00e9 a \u00e2ncora r\u00edgida e im\u00f3vel que se imagina ser. Ela deflete, e quanto mais r\u00edgida for, menos defletir\u00e1 para uma dada for\u00e7a. Como o rotor, seus rolamentos e a funda\u00e7\u00e3o se comportam como molas atuando em s\u00e9rie, a funda\u00e7\u00e3o pode se tornar o elo fraco que domina a resposta combinada \u2014 e o restante deste artigo tra\u00e7a exatamente como.<\/p>\n<h3>Efeito nas velocidades cr\u00edticas<\/h3>\n<p>A rigidez da funda\u00e7\u00e3o alimenta diretamente a <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/natural-frequency\/\">frequ\u00eancias naturais<\/a>:<\/p>\n<ul>\n<li>A rigidez total do sistema \u00e9 a combina\u00e7\u00e3o em s\u00e9rie das rigidezes do rotor, dos rolamentos e da funda\u00e7\u00e3o, ent\u00e3o o elemento mais macio tem a maior influ\u00eancia.<\/li>\n<li>Uma funda\u00e7\u00e3o macia reduz o total, o que reduz as velocidades cr\u00edticas.<\/li>\n<li>Isso pode arrastar uma velocidade cr\u00edtica para fora de uma margem de seguran\u00e7a e para dentro da faixa de opera\u00e7\u00e3o.<\/li>\n<li>Como a velocidade cr\u00edtica escala com \u221a(rigidez total), mesmo uma perda modesta de rigidez da funda\u00e7\u00e3o tem um efeito real \u2014 voc\u00ea pode dimensionar o deslocamento com um <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/rotor-critical-speed\/\">Calculadora de Velocidade Cr\u00edtica do Rotor<\/a>.<\/li>\n<\/ul>\n<h3>Controle da amplitude de vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Na resson\u00e2ncia:<\/strong> funda\u00e7\u00f5es mais r\u00edgidas geralmente produzem amplitudes de pico de vibra\u00e7\u00e3o menores.<\/li>\n<li><strong>Abaixo da resson\u00e2ncia:<\/strong> uma funda\u00e7\u00e3o muito r\u00edgida pode <em>aumentar<\/em> vibra\u00e7\u00e3o transmitida, porque n\u00e3o fornece isolamento.<\/li>\n<li><strong>Projeto ideal:<\/strong> a resposta certa equilibra a rigidez contra o isolamento para a faixa de frequ\u00eancia espec\u00edfica da m\u00e1quina.<\/li>\n<\/ul>\n<h3>Estabilidade do alinhamento<\/h3>\n<ul>\n<li>Uma funda\u00e7\u00e3o flex\u00edvel permite que o equipamento se desloque sob cargas de opera\u00e7\u00e3o.<\/li>\n<li>O crescimento t\u00e9rmico da m\u00e1quina pode distorcer uma funda\u00e7\u00e3o que cede.<\/li>\n<li>Precis\u00e3o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/laser-shaft-alignment\/\">alinhamento de eixo a laser<\/a> \u00e9 dif\u00edcil de manter em uma base macia.<\/li>\n<li>A deflex\u00e3o da funda\u00e7\u00e3o devido a cargas externas do processo, como for\u00e7as de tubula\u00e7\u00e3o, degrada silenciosamente o alinhamento \u2014 e um oculto <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/soft-foot\/\">p\u00e9 mancal frouxo<\/a> pode imitar ou piorar o problema.<\/li>\n<\/ul>\n<h2>2. Componentes que Contribuem para a Rigidez da Funda\u00e7\u00e3o<\/h2>\n<p>A rigidez \u00e9 definida pelo elo mais fraco de uma cadeia de elementos, cada um com sua pr\u00f3pria contribui\u00e7\u00e3o:<\/p>\n<h3>Bloco de funda\u00e7\u00e3o de concreto<\/h3>\n<ul>\n<li><strong>Rigidez do material:<\/strong> o m\u00f3dulo de elasticidade do concreto \u00e9 de aproximadamente 25\u201340 GPa.<\/li>\n<li><strong>Geometria:<\/strong> espessura, largura e refor\u00e7o definem a rigidez geral do bloco.<\/li>\n<li><strong>Massa:<\/strong> um bloco maior geralmente traz maior rigidez consigo.<\/li>\n<li><strong>Condi\u00e7\u00e3o:<\/strong> trincas e deteriora\u00e7\u00e3o reduzem significativamente a rigidez.<\/li>\n<\/ul>\n<h3>Solo e suporte do terreno<\/h3>\n<ul>\n<li>O solo sob o bloco atua como um suporte el\u00e1stico por si s\u00f3.<\/li>\n<li>A rigidez do solo varia enormemente \u2014 de cerca de 10 N\/mm\u00b3 para argila macia at\u00e9 1000+ N\/mm\u00b3 para rocha.<\/li>\n<li>Frequentemente \u00e9 o elemento mais macio de toda a cadeia.<\/li>\n<li>Em terrenos ruins, pode dominar a rigidez total do sistema, independentemente de qu\u00e3o bom seja o bloco acima dele.<\/li>\n<\/ul>\n<h3>Placa de base da m\u00e1quina<\/h3>\n<ul>\n<li>A estrutura de a\u00e7o ou ferro fundido que conecta o equipamento ao concreto.<\/li>\n<li>Sua espessura, nervuras e layout determinam sua contribui\u00e7\u00e3o.<\/li>\n<li>Deve ser adequadamente grauteada ao bloco para contar.<\/li>\n<\/ul>\n<h3>Pedestais e suportes<\/h3>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bearing-pedestal\/\">Pedestais de rolamento<\/a> conectam os mancais \u00e0 placa de base.<\/li>\n<li>Colunas e suportes conduzem a carga para baixo.<\/li>\n<li>Pedestais altos ou esbeltos podem introduzir flexibilidade surpreendente \u2014 e excitar <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/structural-resonance\/\">resson\u00e2ncia estrutural<\/a>.<\/li>\n<\/ul>\n<h3>Camada de argamassa de nivelamento<\/h3>\n<ul>\n<li>Preenche o espa\u00e7o entre a placa de base e o concreto para transferir a carga.<\/li>\n<li>Um grauteamento adequado \u00e9 essencial para a rigidez realizada.<\/li>\n<li>Argamassa deteriorada ou ausente deixa pontos macios que atuam como dobradi\u00e7as.<\/li>\n<li>A argamassa \u00e9 tipicamente menos r\u00edgida que o a\u00e7o ou o concreto que une.<\/li>\n<\/ul>\n<h2>3. Medi\u00e7\u00e3o e Avalia\u00e7\u00e3o<\/h2>\n<h3>Teste de rigidez est\u00e1tica<\/h3>\n<ul>\n<li><strong>M\u00e9todo:<\/strong> aplicar uma for\u00e7a conhecida e medir a deflex\u00e3o resultante.<\/li>\n<li><strong>C\u00e1lculo:<\/strong> k = F \/ \u03b4 \u2014 for\u00e7a dividida pela deflex\u00e3o.<\/li>\n<li><strong>Teste t\u00edpico:<\/strong> uma prensa hidr\u00e1ulica carregando a placa de base.<\/li>\n<li><strong>Medi\u00e7\u00e3o:<\/strong> indicadores de rel\u00f3gio ou sensores de deslocamento leem o movimento.<\/li>\n<\/ul>\n<h3>Rigidez din\u00e2mica \u2014 teste modal<\/h3>\n<ul>\n<li>A <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bump-test\/\">teste de pancada<\/a> com um martelo instrumentado excita a estrutura.<\/li>\n<li>O <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/frequency-response-function\/\">fun\u00e7\u00e3o de resposta em frequ\u00eancia<\/a> \u00e9 medido a partir da resposta.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/modal-analysis\/\">A an\u00e1lise modal<\/a> extrai frequ\u00eancias naturais, formas modais e rigidez efetiva.<\/li>\n<li>O resultado din\u00e2mico \u00e9 mais representativo do comportamento da funda\u00e7\u00e3o enquanto a m\u00e1quina est\u00e1 em opera\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Avalia\u00e7\u00e3o operacional<\/h3>\n<ul>\n<li>Compare a vibra\u00e7\u00e3o medida no rolamento com a vibra\u00e7\u00e3o na funda\u00e7\u00e3o.<\/li>\n<li>Alta transmitibilidade \u2014 a funda\u00e7\u00e3o se movendo quase tanto quanto o rolamento \u2014 indica um suporte macio em rela\u00e7\u00e3o \u00e0 m\u00e1quina.<\/li>\n<li>Baixa transmitibilidade indica uma funda\u00e7\u00e3o r\u00edgida ou isolamento eficaz.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bode-plot\/\">Gr\u00e1ficos de Bode<\/a> da partida ou <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/coastdown\/\">parada por in\u00e9rcia<\/a> revelam os modos da funda\u00e7\u00e3o \u00e0 medida que s\u00e3o varridos.<\/li>\n<\/ul>\n<p>Essa compara\u00e7\u00e3o \u00e9 direta em campo com um analisador port\u00e1til de dois canais. Um instrumento como o <a href=\"https:\/\/vibromera.eu\/pt-br\/produto\/balanset-1\/\">Balanset-1A<\/a> pode ler a vibra\u00e7\u00e3o simultaneamente na tampa do rolamento e na placa de base ou pedestal, permitindo que um engenheiro avalie in loco se a estrutura est\u00e1 se movendo junto com a m\u00e1quina \u2014 uma verifica\u00e7\u00e3o r\u00e1pida e pr\u00e1tica para uma funda\u00e7\u00e3o flex\u00edvel ou degradada antes de se comprometer com trabalhos estruturais caros.<\/p>\n<h2>4. Requisitos de Projeto<\/h2>\n<h3>Diretrizes gerais<\/h3>\n<ul>\n<li><strong>Projeto r\u00edgido (acima da resson\u00e2ncia):<\/strong> a frequ\u00eancia natural da funda\u00e7\u00e3o deve exceder 2\u00d7 a velocidade m\u00e1xima da m\u00e1quina.<\/li>\n<li><strong>Projeto macio (isolado):<\/strong> alternativamente, coloque-a abaixo de 0,5\u00d7 a velocidade m\u00ednima da m\u00e1quina.<\/li>\n<li><strong>Evitar:<\/strong> resson\u00e2ncias da funda\u00e7\u00e3o em qualquer lugar entre 0,5\u00d7 e 2,0\u00d7 a velocidade de opera\u00e7\u00e3o.<\/li>\n<li><strong>Objetivo:<\/strong> rigidez da funda\u00e7\u00e3o maior que cerca de 10\u00d7 a rigidez do rolamento para que sua influ\u00eancia na din\u00e2mica do rotor permane\u00e7a pequena. Voc\u00ea pode verificar o modo estrutural contra a velocidade de opera\u00e7\u00e3o com um <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/foundation-natural-frequency\/\">Calculadora de Frequ\u00eancia Natural da Funda\u00e7\u00e3o<\/a>.<\/li>\n<\/ul>\n<h3>Requisitos espec\u00edficos do equipamento<\/h3>\n<ul>\n<li><strong>Turbinas:<\/strong> funda\u00e7\u00f5es muito r\u00edgidas, com massa de concreto tipicamente 3\u20135\u00d7 a massa do rotor.<\/li>\n<li><strong>Compressores alternativos:<\/strong> funda\u00e7\u00f5es maci\u00e7as para absorver cargas pulsantes.<\/li>\n<li><strong>M\u00e1quinas de alta velocidade:<\/strong> r\u00edgidas o suficiente para preservar a separa\u00e7\u00e3o das velocidades cr\u00edticas.<\/li>\n<li><strong>Equipamento de precis\u00e3o:<\/strong> extremamente r\u00edgidas para evitar desvio do alinhamento.<\/li>\n<\/ul>\n<h2>5. Problemas Decorrentes de Rigidez Insuficiente<\/h2>\n<h3>Velocidades cr\u00edticas reduzidas<\/h3>\n<ul>\n<li>As velocidades cr\u00edticas caem para a faixa de opera\u00e7\u00e3o.<\/li>\n<li>Alta vibra\u00e7\u00e3o aparece em velocidades que deveriam ser seguras.<\/li>\n<li>A m\u00e1quina pode ser incapaz de atingir sua velocidade de projeto.<\/li>\n<li>A solu\u00e7\u00e3o \u00e9 o endurecimento da funda\u00e7\u00e3o ou uma limita\u00e7\u00e3o de velocidade.<\/li>\n<\/ul>\n<h3>Vibra\u00e7\u00e3o excessiva<\/h3>\n<ul>\n<li>O movimento da funda\u00e7\u00e3o amplifica o n\u00edvel geral de vibra\u00e7\u00e3o.<\/li>\n<li>A pr\u00f3pria estrutura pode entrar em resson\u00e2ncia.<\/li>\n<li>A vibra\u00e7\u00e3o \u00e9 transmitida para equipamentos adjacentes.<\/li>\n<li>A flex\u00e3o repetida pode causar <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/fatigue\/\">fadiga<\/a> danos estruturais.<\/li>\n<\/ul>\n<h3>Instabilidade de alinhamento<\/h3>\n<ul>\n<li>O equipamento se desloca em uma base flex\u00edvel, ent\u00e3o o alinhamento conquistado com dificuldade \u00e9 perdido.<\/li>\n<li>Os efeitos de crescimento t\u00e9rmico s\u00e3o amplificados.<\/li>\n<li>As varia\u00e7\u00f5es nas cargas do processo fazem o alinhamento variar.<\/li>\n<\/ul>\n<h2>6. M\u00e9todos de Melhoria<\/h2>\n<h3>Melhoria da funda\u00e7\u00e3o de concreto<\/h3>\n<ul>\n<li><strong>Adicionar massa:<\/strong> aumentar o tamanho ou a espessura da funda\u00e7\u00e3o.<\/li>\n<li><strong>Refor\u00e7ar:<\/strong> adicionar refor\u00e7o de a\u00e7o ou protens\u00e3o.<\/li>\n<li><strong>Reparar trincas:<\/strong> inje\u00e7\u00e3o de ep\u00f3xi ou reparo de concreto restaura a rigidez perdida.<\/li>\n<li><strong>Estender at\u00e9 o bedrock:<\/strong> estacas ou caix\u00f5es atingem camadas de solo competentes.<\/li>\n<\/ul>\n<h3>Endurecimento da placa de base<\/h3>\n<ul>\n<li>Adicionar cantoneiras ou nervuras \u00e0 estrutura.<\/li>\n<li>Aumentar a espessura da placa de base.<\/li>\n<li>Melhorar a cobertura e a qualidade da argamassa de nivelamento, eliminando vazios.<\/li>\n<li>Adicionar contraventamento entre os pedestais.<\/li>\n<\/ul>\n<h3>Melhoramento do solo<\/h3>\n<ul>\n<li>Estabiliza\u00e7\u00e3o do solo ou grauteamento sob press\u00e3o.<\/li>\n<li>Funda\u00e7\u00f5es profundas (estacas) que contornam o solo superficial de baixa qualidade.<\/li>\n<li>Compacta\u00e7\u00e3o ou densifica\u00e7\u00e3o.<\/li>\n<li>Consultoria geot\u00e9cnica para problemas graves do terreno.<\/li>\n<\/ul>\n<h3>Acomoda\u00e7\u00f5es operacionais<\/h3>\n<ul>\n<li><strong>Modifica\u00e7\u00e3o de velocidade:<\/strong> operar fora das resson\u00e2ncias da funda\u00e7\u00e3o.<\/li>\n<li><strong>Isolamento de vibra\u00e7\u00e3o:<\/strong> adicionar isoladores para desacoplar a m\u00e1quina da funda\u00e7\u00e3o.<\/li>\n<li><strong>Balanceamento:<\/strong> toler\u00e2ncias de balanceamento mais rigorosas reduzem a excita\u00e7\u00e3o na fonte \u2014 a alavanca que muitas equipes de manuten\u00e7\u00e3o utilizam primeiro.<\/li>\n<li><strong>Amortecimento:<\/strong> adicionar tratamentos de amortecimento \u00e0 estrutura.<\/li>\n<\/ul>\n<p>Essa abordagem de balanceamento merece aten\u00e7\u00e3o, pois \u00e9 frequentemente a mais pr\u00e1tica. A excita\u00e7\u00e3o proveniente do desbalanceamento do rotor <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/unbalance\/\">desbalanceamento<\/a> \u00e9 a for\u00e7a din\u00e2mica \u00e0 qual a funda\u00e7\u00e3o deve reagir; reduza o desbalanceamento e voc\u00ea reduz a demanda sobre a estrutura. O balanceamento em campo <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/balanceamento-de-campo\/\">balanceamento em campo<\/a> pode, portanto, controlar a vibra\u00e7\u00e3o induzida pela funda\u00e7\u00e3o sem tocar no concreto \u2014 frequentemente a mitiga\u00e7\u00e3o mais r\u00e1pida e econ\u00f4mica enquanto uma corre\u00e7\u00e3o estrutural de longo prazo \u00e9 planejada.<\/p>\n<h2>7. Melhores Pr\u00e1ticas de Projeto de Funda\u00e7\u00e3o<\/h2>\n<h3>Novas instala\u00e7\u00f5es<\/h3>\n<ul>\n<li>Realizar uma investiga\u00e7\u00e3o geot\u00e9cnica das condi\u00e7\u00f5es do solo.<\/li>\n<li>Calcular a massa e a geometria necess\u00e1rias para a funda\u00e7\u00e3o.<\/li>\n<li>Incluir uma an\u00e1lise din\u00e2mica das frequ\u00eancias naturais e da resposta ao desbalanceamento.<\/li>\n<li>Projetar para rigidez e massa adequadas em conjunto.<\/li>\n<li>Prover isolamento de estruturas adjacentes.<\/li>\n<li>Incluir disposi\u00e7\u00f5es para grauteamento e alinhamento.<\/li>\n<\/ul>\n<h3>Avalia\u00e7\u00e3o de funda\u00e7\u00f5es existentes<\/h3>\n<ul>\n<li>Medir a vibra\u00e7\u00e3o na funda\u00e7\u00e3o e compar\u00e1-la com a vibra\u00e7\u00e3o no rolamento.<\/li>\n<li>Realizar testes modais para identificar as frequ\u00eancias naturais da funda\u00e7\u00e3o.<\/li>\n<li>Verificar trincas, deteriora\u00e7\u00e3o e recalque.<\/li>\n<li>Verificar a integridade do grauteamento sob as placas-base.<\/li>\n<li>Comparar os valores reais com as especifica\u00e7\u00f5es de projeto originais.<\/li>\n<\/ul>\n<p>A rigidez da funda\u00e7\u00e3o \u00e9 f\u00e1cil de negligenciar e, no entanto, \u00e9 fundamental para o desempenho de m\u00e1quinas rotativas. Rigidez adequada mant\u00e9m as velocidades cr\u00edticas bem separadas, mant\u00e9m o alinhamento est\u00e1vel e evita resson\u00e2ncia; rigidez inadequada pode fazer com que equipamentos, de outra forma \u00edntegros, operem de forma irregular e pouco confi\u00e1vel. Tratar a funda\u00e7\u00e3o como uma parte ativa do <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-bearing-system\/\">sistema rotor-rolamento<\/a> \u2014 medida, avaliada e mantida como qualquer outro componente \u2014 \u00e9 a marca de um programa de vibra\u00e7\u00e3o completo.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/\">\u2190 Voltar ao \u00cdndice Principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about foundation stiffness, the resistance of machine support structures to deflection, critically affecting critical speeds, vibration amplitudes, and alignment stability.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-123","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/123\/revisions"}],"predecessor-version":[{"id":101383,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/123\/revisions\/101383"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/media?parent=123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/categories?post=123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/tags?post=123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}