{"id":251,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/squeeze-film-damper\/"},"modified":"2026-05-23T23:06:39","modified_gmt":"2026-05-23T23:06:39","slug":"squeeze-film-damper","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt-br\/glossary\/squeeze-film-damper\/","title":{"rendered":"O que \u00e9 um Amortecedor de Filme Espremido? Dispositivo de Controle de Vibra\u00e7\u00e3o"},"content":{"rendered":"<h1>Compreendendo os Amortecedores de Filme de Escoamento<\/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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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>A <strong>amortecedor de filme de escoamento<\/strong> (SFD) \u00e9 um dispositivo passivo <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/damping\/\">amortecimento<\/a> usado em m\u00e1quinas rotativas para dissipar energia vibracional e controlar <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> amplitudes \u2014 principalmente durante a passagem por <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/critical-speed\/\">velocidades cr\u00edticas<\/a>. Consiste em uma fina pel\u00edcula de \u00f3leo presa em uma estreita folga anular que envolve a caixa do rolamento. Quando o rolamento e seu <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor\/\">rotor<\/a> vibram, a caixa oscila dentro dessa folga e espreme a pel\u00edcula de \u00f3leo; a resist\u00eancia viscosa ao esmagamento dissipa energia e amortece o sistema do rotor sem adicionar rigidez significativa. Os amortecedores de filme espremido s\u00e3o encontrados em motores de aeronaves, turbinas a g\u00e1s industriais e outras m\u00e1quinas de alta velocidade sempre que for necess\u00e1rio amortecimento extra para domar a resson\u00e2ncia e evitar <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-instability\/\">instabilidades do rotor<\/a>.<\/p>\n<h2>1. O Princ\u00edpio F\u00edsico de Funcionamento<\/h2>\n<h3>A a\u00e7\u00e3o de esmagamento<\/h3>\n<p>Diferentemente de um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/journal-bearing\/\">mancal de deslizamento<\/a>, cuja pel\u00edcula de \u00f3leo suporta uma carga radial constante, um amortecedor de filme espremido funciona atrav\u00e9s do esmagamento c\u00edclico de uma pel\u00edcula que n\u00e3o suporta carga est\u00e1tica:<\/p>\n<ol>\n<li><strong>Vibra\u00e7\u00e3o do rotor:<\/strong> um rotor desbalanceado ou de outra forma excitado aplica for\u00e7as oscilat\u00f3rias ao rolamento.<\/li>\n<li><strong>Movimento da caixa:<\/strong> a caixa do rolamento orbita ou oscila radialmente dentro da folga do amortecedor.<\/li>\n<li><strong>Esmagamento da pel\u00edcula de \u00f3leo:<\/strong> \u00e0 medida que a caixa se move para dentro, a pel\u00edcula \u00e9 comprimida; \u00e0 medida que se move para fora, a pel\u00edcula se expande.<\/li>\n<li><strong>Resist\u00eancia viscosa:<\/strong> o \u00f3leo resiste a ser espremido para fora do espa\u00e7o, gerando uma for\u00e7a de amortecimento proporcional \u00e0 velocidade.<\/li>\n<li><strong>Dissipa\u00e7\u00e3o de energia:<\/strong> a energia vibracional \u00e9 convertida em calor no \u00f3leo e removida pelo fluxo de alimenta\u00e7\u00e3o.<\/li>\n<\/ol>\n<p>Como a for\u00e7a resistente \u00e9 proporcional \u00e0 velocidade e n\u00e3o ao deslocamento, o amortecedor se op\u00f5e <em>movimento<\/em> sem agir como uma mola \u2014 a caracter\u00edstica definidora que separa o amortecimento da rigidez.<\/p>\n<h3>Como difere de um mancal de deslizamento<\/h3>\n<ul>\n<li><strong>Mancal de deslizamento:<\/strong> suporta cargas est\u00e1ticas e din\u00e2micas atrav\u00e9s da press\u00e3o da pel\u00edcula hidrodin\u00e2mica, contribuindo tanto para a rigidez quanto para o amortecimento.<\/li>\n<li><strong>Amortecedor de filme espremido:<\/strong> fornece amortecimento com rigidez m\u00ednima e n\u00e3o suporta carga constante.<\/li>\n<li><strong>Combina\u00e7\u00e3o:<\/strong> um rolamento de elementos rolantes (para suportar a carga) mais um SFD (para fornecer amortecimento) forma um par ideal para muitos projetos de alta velocidade, j\u00e1 que os rolamentos fornecem quase nenhum amortecimento por si s\u00f3.<\/li>\n<\/ul>\n<h2>2. Constru\u00e7\u00e3o e Projeto<\/h2>\n<h3>Componentes b\u00e1sicos<\/h3>\n<ul>\n<li><strong>Pista interna (caixa do rolamento):<\/strong> a superf\u00edcie externa da caixa do rolamento de elementos rolantes, livre para se mover radialmente.<\/li>\n<li><strong>Pista externa (caixa do amortecedor):<\/strong> uma caixa estacion\u00e1ria com um furo cil\u00edndrico preciso.<\/li>\n<li><strong>Folga anular:<\/strong> o espa\u00e7o radial entre as pistas interna e externa, tipicamente 0,1\u20130,5 mm.<\/li>\n<li><strong>Alimenta\u00e7\u00e3o de \u00f3leo:<\/strong> \u00f3leo pressurizado alimentado no espa\u00e7o de folga.<\/li>\n<li><strong>Veda\u00e7\u00f5es de extremidade:<\/strong> Vedadores O-ring ou veda\u00e7\u00f5es semelhantes que cont\u00eam o \u00f3leo axialmente.<\/li>\n<li><strong>Elementos de centraliza\u00e7\u00e3o:<\/strong> molas ou caracter\u00edsticas de reten\u00e7\u00e3o que impedem movimento excessivo e mant\u00eam o munh\u00e3o do eixo conc\u00eantrico em repouso.<\/li>\n<\/ul>\n<h3>Par\u00e2metros de projeto<\/h3>\n<ul>\n<li><strong>Folga radial (c):<\/strong> define o coeficiente de amortecimento \u2014 um espa\u00e7o menor proporciona muito mais amortecimento.<\/li>\n<li><strong>Comprimento (L):<\/strong> o comprimento axial do amortecedor \u2014 maior comprimento proporciona mais amortecimento.<\/li>\n<li><strong>Di\u00e2metro (D):<\/strong> um di\u00e2metro maior proporciona mais amortecimento.<\/li>\n<li><strong>Viscosidade do \u00f3leo (\u00b5):<\/strong> maior viscosidade proporciona mais amortecimento.<\/li>\n<li><strong>Tipo de veda\u00e7\u00e3o de extremidade:<\/strong> governa o vazamento axial de \u00f3leo e, portanto, o amortecimento efetivo.<\/li>\n<\/ul>\n<h2>3. O Coeficiente de Amortecimento<\/h2>\n<p>A for\u00e7a de amortecimento produzida por um amortecedor de filme espremido \u00e9, em primeira aproxima\u00e7\u00e3o:<\/p>\n<blockquote><p>F<sub>amortecimento<\/sub> = C \u00d7 velocidade, onde o coeficiente de amortecimento C \u221d (\u00b5 \u00b7 D \u00b7 L\u00b3) \/ c\u00b3.<\/p><\/blockquote>\n<p>A depend\u00eancia c\u00fabica em rela\u00e7\u00e3o \u00e0 folga \u00e9 o fato principal: o coeficiente varia com 1\/c\u00b3, portanto <strong>reduzir a folga pela metade multiplica o amortecimento aproximadamente oito vezes<\/strong>. Essa sensibilidade extrema \u00e9 uma espada de dois gumes \u2014 ela d\u00e1 ao projetista uma alavanca poderosa, mas tamb\u00e9m significa que toler\u00e2ncias de fabrica\u00e7\u00e3o, crescimento t\u00e9rmico e desgaste no furo t\u00eam um efeito desproporcional no desempenho real. Escolher a espessura de filme \u00f3tima \u00e9, portanto, a decis\u00e3o central de projeto, e ela \u00e9 feita em conjunto com a prevista do rotor&#8217;s <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/mode-shape\/\">formas modais<\/a>.<\/p>\n<h3>Molas de centraliza\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Finalidade:<\/strong> para impedir que o amortecedor &#8220;encoste no fundo&#8221; com contato metal-metal quando o movimento \u00e9 grande.<\/li>\n<li><strong>Sele\u00e7\u00e3o da rigidez:<\/strong> suave o suficiente para permitir que o amortecedor se mova e fa\u00e7a seu trabalho, mas r\u00edgido o suficiente para manter o munh\u00e3o centralizado sob a gravidade e cargas laterais est\u00e1ticas.<\/li>\n<li><strong>Tipos comuns:<\/strong> a mola gaiola de esquilos (um anel de elementos de viga circunferenciais), molas helicoidais e elementos elastom\u00e9ricos.<\/li>\n<\/ul>\n<h3>Alimenta\u00e7\u00e3o e drenagem de \u00f3leo<\/h3>\n<ul>\n<li>Uma alimenta\u00e7\u00e3o pressurizada, tipicamente 1\u20135 bar, para manter a folga preenchida.<\/li>\n<li>Vaz\u00e3o adequada para levar o calor gerado pelo filme.<\/li>\n<li>Drenagem adequada para evitar inunda\u00e7\u00e3o de \u00f3leo e superpressuriza\u00e7\u00e3o.<\/li>\n<li>Ventila\u00e7\u00e3o de ar para evitar <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/cavitation\/\">cavita\u00e7\u00e3o<\/a> dentro do filme.<\/li>\n<\/ul>\n<h2>4. Vantagens dos Amortecedores de Filme Espremido<\/h2>\n<ul>\n<li><strong>Adiciona amortecimento sem rigidez:<\/strong> aumenta a dissipa\u00e7\u00e3o de energia sem deslocar significativamente as velocidades cr\u00edticas do rotor&#8217;s.<\/li>\n<li><strong>Reduz a vibra\u00e7\u00e3o na velocidade cr\u00edtica:<\/strong> mant\u00e9m <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/resonance\/\">resson\u00e2ncia<\/a> amplitudes em n\u00edveis seguros.<\/li>\n<li><strong>Previne instabilidades:<\/strong> ajuda a suprimir <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/oil-whirl\/\">oil whirl<\/a>, <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/shaft-whip\/\">shaft whip<\/a> e outras vibra\u00e7\u00f5es autoexcitadas.<\/li>\n<li><strong>Isola a for\u00e7a transmitida:<\/strong> reduz a vibra\u00e7\u00e3o passada para a funda\u00e7\u00e3o e a estrutura circundante.<\/li>\n<li><strong>Acomoda transientes:<\/strong> domina a vibra\u00e7\u00e3o durante partida, parada e mudan\u00e7as de carga.<\/li>\n<li><strong>Capacidade de retrofit:<\/strong> pode ser adicionado a m\u00e1quinas existentes sem um redesenho significativo.<\/li>\n<li><strong>Opera\u00e7\u00e3o passiva:<\/strong> n\u00e3o precisa de sistema de controle ou energia externa \u2014 apenas alimenta\u00e7\u00e3o de \u00f3leo.<\/li>\n<\/ul>\n<h2>5. Aplica\u00e7\u00f5es<\/h2>\n<h3>Turbinas a g\u00e1s de aeronaves<\/h3>\n<ul>\n<li>Quase universal em motores aeroespaciais modernos.<\/li>\n<li>Essencial para controlar a vibra\u00e7\u00e3o durante a passagem por velocidades cr\u00edticas na acelera\u00e7\u00e3o.<\/li>\n<li>Torna os rolamentos de elementos rolantes vi\u00e1veis em aplica\u00e7\u00f5es de alt\u00edssima velocidade.<\/li>\n<li>Design compacto e leve \u2014 uma vantagem decisiva para a aeroespacial.<\/li>\n<\/ul>\n<h3>Turbinas a g\u00e1s industriais<\/h3>\n<ul>\n<li>Usado junto com rolamentos de elementos rolantes ou mancais de patilhas basculantes.<\/li>\n<li>Controla a vibra\u00e7\u00e3o atrav\u00e9s de partidas e paradas frequentes.<\/li>\n<li>Reduz a vibra\u00e7\u00e3o transmitida para a estrutura de suporte.<\/li>\n<\/ul>\n<h3>Compressores de alta velocidade<\/h3>\n<ul>\n<li>Adiciona amortecimento al\u00e9m do que os mancais sozinhos fornecem.<\/li>\n<li>Previne instabilidades sob condi\u00e7\u00f5es de carga leve.<\/li>\n<li>Alarga a faixa de opera\u00e7\u00e3o utiliz\u00e1vel.<\/li>\n<\/ul>\n<h3>Aplica\u00e7\u00f5es de retrofit<\/h3>\n<ul>\n<li>Instalado em m\u00e1quinas existentes que sofrem de vibra\u00e7\u00e3o excessiva na velocidade cr\u00edtica.<\/li>\n<li>Um rem\u00e9dio quando o balanceamento e o alinhamento sozinhos n\u00e3o conseguem reduzir a vibra\u00e7\u00e3o o suficiente.<\/li>\n<li>Uma alternativa ao custoso redesenho do rotor ou do mancal.<\/li>\n<\/ul>\n<h2>6. Desafios e Limita\u00e7\u00f5es<\/h2>\n<h3>Desafios de projeto<\/h3>\n<ul>\n<li><strong>Cavita\u00e7\u00e3o:<\/strong> a pel\u00edcula pode sofrer cavita\u00e7\u00e3o \u2014 formar bolhas de vapor \u2014 o que reduz o amortecimento efetivo.<\/li>\n<li><strong>Ingress\u00e3o de ar:<\/strong> o ar arrastado amolece a pel\u00edcula e reduz o amortecimento.<\/li>\n<li><strong>Depend\u00eancia da frequ\u00eancia:<\/strong> a efic\u00e1cia do amortecimento varia com a frequ\u00eancia de vibra\u00e7\u00e3o.<\/li>\n<li><strong>Comportamento n\u00e3o linear:<\/strong> o desempenho muda com a amplitude, e \u00f3rbitas grandes que se aproximam do limite da folga comportam-se de forma muito n\u00e3o linear.<\/li>\n<\/ul>\n<h3>Desafios operacionais<\/h3>\n<ul>\n<li><strong>Sensibilidade \u00e0 temperatura:<\/strong> a viscosidade do \u00f3leo cai \u00e0 medida que a temperatura sobe, reduzindo diretamente o amortecimento.<\/li>\n<li><strong>Limpeza:<\/strong> a contamina\u00e7\u00e3o pode obstruir o suprimento ou riscar as superf\u00edcies de precis\u00e3o.<\/li>\n<li><strong>Depend\u00eancia do suprimento de \u00f3leo:<\/strong> a perda de press\u00e3o do \u00f3leo elimina o amortecimento por completo.<\/li>\n<li><strong>Desgaste dos vedos:<\/strong> os vedos axiais degradam-se com o tempo, reduzindo gradualmente a efic\u00e1cia.<\/li>\n<\/ul>\n<h3>Requisitos de manuten\u00e7\u00e3o<\/h3>\n<ul>\n<li>Monitore a press\u00e3o e a temperatura do suprimento de \u00f3leo.<\/li>\n<li>Inspecione os vedos axiais periodicamente.<\/li>\n<li>Verifique as folgas durante as revis\u00f5es.<\/li>\n<li>Verifique o estado das molas centradoras.<\/li>\n<li>Limpe os canais e os filtros de \u00f3leo.<\/li>\n<\/ul>\n<h2>7. Projetos avan\u00e7ados<\/h2>\n<h3>Amortecedores com an\u00e9is de pist\u00e3o<\/h3>\n<ul>\n<li>Usam an\u00e9is de pist\u00e3o no lugar de vedos em O.<\/li>\n<li>Permitem vazamento controlado de \u00f3leo para melhor distribui\u00e7\u00e3o de press\u00e3o.<\/li>\n<li>Reduzem a tend\u00eancia \u00e0 cavita\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Amortecedores de extremidade aberta<\/h3>\n<ul>\n<li>Sem vedos axiais \u2014 o \u00f3leo flui livremente na dire\u00e7\u00e3o axial.<\/li>\n<li>Um projeto mais simples, sem problemas de desgaste dos vedos.<\/li>\n<li>Requerem vaz\u00f5es de \u00f3leo mais elevadas.<\/li>\n<li>Oferecem amortecimento mais consistente e previs\u00edvel.<\/li>\n<\/ul>\n<h3>Amortecedores integrados<\/h3>\n<ul>\n<li>A pel\u00edcula de amortecimento forma-se diretamente entre a parte traseira do mancal e sua caixa.<\/li>\n<li>N\u00e3o \u00e9 necess\u00e1rio um componente de amortecedor separado.<\/li>\n<li>Compactos, mas limitados no amortecimento que podem fornecer.<\/li>\n<\/ul>\n<h2>8. Efic\u00e1cia e desempenho<\/h2>\n<h3>Redu\u00e7\u00e3o de vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li>Podem reduzir a vibra\u00e7\u00e3o na velocidade cr\u00edtica em 50\u201380%.<\/li>\n<li>Particularmente eficazes no controle da resson\u00e2ncia.<\/li>\n<li>Alargam o pico da velocidade cr\u00edtica, tornando-o menos acentuado.<\/li>\n<li>Permitem uma passagem mais segura e suave pelas velocidades cr\u00edticas \u2014 vis\u00edvel como um pico mais plano em um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bode-plot\/\">Gr\u00e1fico de Bode<\/a> durante a partida.<\/li>\n<\/ul>\n<h3>Melhoria da estabilidade<\/h3>\n<ul>\n<li>Eleva a velocidade de in\u00edcio (limiar) para <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-instability\/\">instabilidades<\/a>.<\/li>\n<li>Pode prevenir <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/oil-whirl\/\">oil whirl<\/a> quando combinados com rolamentos de elementos rolantes.<\/li>\n<li>Adiciona amortecimento positivo que contrabalan\u00e7a as for\u00e7as cruzadas desestabilizadoras.<\/li>\n<\/ul>\n<h2>9. Projeto, an\u00e1lise e verifica\u00e7\u00e3o em campo<\/h2>\n<p>Projetar um amortecedor de pel\u00edcula de esmagamento corretamente exige um estudo integrado de todo o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-bearing-system\/\">sistema rotor-rolamento<\/a>:<\/p>\n<ul>\n<li><strong>An\u00e1lise de din\u00e2mica de rotor:<\/strong> modelagem do rotor, dos mancais e do amortecedor juntos para prever a resposta e a estabilidade.<\/li>\n<li><strong>An\u00e1lise de pel\u00edcula de fluido:<\/strong> solu\u00e7\u00f5es da equa\u00e7\u00e3o de Reynolds para a distribui\u00e7\u00e3o de press\u00e3o na pel\u00edcula.<\/li>\n<li><strong>An\u00e1lise n\u00e3o linear:<\/strong> considerando a cavita\u00e7\u00e3o e o comportamento dependente da amplitude.<\/li>\n<li><strong>An\u00e1lise t\u00e9rmica:<\/strong> eleva\u00e7\u00e3o da temperatura do \u00f3leo e dissipa\u00e7\u00e3o de calor.<\/li>\n<li><strong>Software especializado:<\/strong> pacotes de rotordin\u00e2mica como DyRoBeS e XLTRC incluem modelos de SFD.<\/li>\n<\/ul>\n<p>Por melhor que seja o projeto, sua fun\u00e7\u00e3o real \u00e9 manter a vibra\u00e7\u00e3o medida dentro de limites aceit\u00e1veis, e isso \u00e9 confirmado na m\u00e1quina em opera\u00e7\u00e3o, n\u00e3o no papel. Um analisador port\u00e1til de dois canais como o <a href=\"https:\/\/vibromera.eu\/pt-br\/produto\/balanset-1\/\">Balanset-1A<\/a> \u00e9 a ferramenta pr\u00e1tica para essa verifica\u00e7\u00e3o: com <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/accelerometer\/\">aceler\u00f4metros<\/a> nos mancais dos rolamentos, ele captura a amplitude e <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/phase\/\">fase<\/a> por meio de um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/coastdown\/\">run-up ou coastdown<\/a>, permitindo que um engenheiro observe qu\u00e3o ampla e baixa \u00e9 realmente a pico da velocidade cr\u00edtica amortecida e confirme que o rotor passa pela resson\u00e2ncia com seguran\u00e7a. Se o desbalanceamento residual <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/unbalance\/\">desbalanceamento<\/a> estiver alimentando a resson\u00e2ncia, o mesmo instrumento pode <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/balanceamento-de-campo\/\">balanceamento em campo<\/a> o rotor \u2014 porque mesmo o melhor amortecedor funciona melhor quando a for\u00e7a que deve absorver \u00e9 minimizada primeiro.<\/p>\n<h2>10. Quando usar \u2014 e quando n\u00e3o usar<\/h2>\n<h3>Aplica\u00e7\u00f5es recomendadas<\/h3>\n<ul>\n<li><strong>M\u00e1quinas de alta velocidade:<\/strong> operando perto ou acima das velocidades cr\u00edticas.<\/li>\n<li><strong>Sistemas com rolamentos de elementos rolantes:<\/strong> onde os pr\u00f3prios rolamentos fornecem pouco amortecimento.<\/li>\n<li><strong>Rotores flex\u00edveis:<\/strong> operando acima da primeira velocidade cr\u00edtica.<\/li>\n<li><strong>Problemas de estabilidade:<\/strong> onde as instabilidades do rotor s\u00e3o um risco real.<\/li>\n<li><strong>Controle transit\u00f3rio:<\/strong> reduzindo a vibra\u00e7\u00e3o durante a partida e a parada.<\/li>\n<\/ul>\n<h3>N\u00e3o recomendado quando<\/h3>\n<ul>\n<li>A opera\u00e7\u00e3o \u00e9 de baixa velocidade e o amortecimento n\u00e3o \u00e9 cr\u00edtico.<\/li>\n<li>Restri\u00e7\u00f5es de espa\u00e7o impedem a instala\u00e7\u00e3o.<\/li>\n<li>Um sistema confi\u00e1vel de suprimento de \u00f3leo n\u00e3o est\u00e1 dispon\u00edvel.<\/li>\n<li>Os recursos de manuten\u00e7\u00e3o s\u00e3o limitados \u2014 os amortecedores adicionam um sistema de \u00f3leo para manter.<\/li>\n<li>Medidas mais simples, como o balanceamento preciso <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/balanceamento\/\">balanceamento<\/a> ou <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/misalignment\/\">alinhamento<\/a>, j\u00e1 resolvem o problema.<\/li>\n<\/ul>\n<p>O amortecedor de filme espremido \u00e9 uma resposta elegante para o controle de vibra\u00e7\u00e3o em m\u00e1quinas rotativas de alta velocidade. Ao fornecer amortecimento substancial com quase nenhuma rigidez adicional, ele permite a opera\u00e7\u00e3o segura atrav\u00e9s das velocidades cr\u00edticas, suprime instabilidades destrutivas e amplia a faixa de opera\u00e7\u00e3o \u2014 tudo em um pacote compacto e passivo que exige pouco mais do que um suprimento limpo e constante de \u00f3leo.<\/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 squeeze film dampers, passive devices using oil films to provide damping in rotating machinery, controlling critical speed vibration and preventing rotor instabilities.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-251","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/251","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\/251\/revisions"}],"predecessor-version":[{"id":101461,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/251\/revisions\/101461"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/media?parent=251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/categories?post=251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/tags?post=251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}