{"id":228,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/seal-defects\/"},"modified":"2026-05-23T23:06:14","modified_gmt":"2026-05-23T23:06:14","slug":"seal-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/seal-defects\/","title":{"rendered":"O que s\u00e3o defeitos de veda\u00e7\u00e3o? Problemas de vazamento e atrito"},"content":{"rendered":"<h1>Compreendendo defeitos de veda\u00e7\u00e3o em m\u00e1quinas rotativas<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" title=\"Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kit completo de balanceador port\u00e1til e analisador de vibra\u00e7\u00f5es\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" title=\"Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A\">Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Adiciona ao carrinho: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Grande plano do sensor de vibra\u00e7\u00e3o Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">Sensor de vibra\u00e7\u00e3o<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Adiciona ao carrinho: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00f3tico (tac\u00f3metro laser)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sensor \u00f3tico (tac\u00f3metro laser)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00f3tico (tac\u00f3metro laser)\">Sensor \u00f3tico (tac\u00f3metro laser)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Adiciona ao carrinho: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Kit de balanceamento de rotor Vibromera: estojo de transporte, condicionador de sinal multicanal, analisador port\u00e1til, base magn\u00e9tica, sensores de vibra\u00e7\u00e3o e cabos espiralados.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Adiciona ao carrinho: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/magnet-stand\/\" title=\"Suporte magn\u00e9tico Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Base magn\u00e9tica.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/magnet-stand\/\" title=\"Suporte magn\u00e9tico Insize-60-kgf\">Suporte magn\u00e9tico Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Adiciona ao carrinho: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" title=\"Fita refletora\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Fita refletora\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" title=\"Fita refletora\">Fita refletora<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Adiciona ao carrinho: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Conte\u00fado do kit Balanset-1A com unidade de interface, sensores, tac\u00f3metro e acess\u00f3rios\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico &quot;Balanset-1A&quot; OEM\">Balanceador din\u00e2mico \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/228?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Adiciona ao carrinho: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Defeitos de veda\u00e7\u00e3o<\/strong> s\u00e3o os danos, o desgaste ou as falhas definitivas que afectam os componentes de veda\u00e7\u00e3o cuja fun\u00e7\u00e3o \u00e9 manter o lubrificante dentro e os contaminantes fora das m\u00e1quinas rotativas. As fam\u00edlias mais comuns s\u00e3o os vedantes de l\u00e1bio (vedantes radiais do veio), vedantes mec\u00e2nicos de face, vedantes de labirinto e an\u00e9is em O, e os seus defeitos manifestam-se atrav\u00e9s de fugas de \u00f3leo ou massa lubrificante, entrada de sujidade e humidade, aumento da fric\u00e7\u00e3o e do aquecimento e - em alguns casos - uma contribui\u00e7\u00e3o para <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> atrav\u00e9s de fric\u00e7\u00e3o ou de instabilidades transmitidas por fluidos. As veda\u00e7\u00f5es podem parecer pe\u00e7as menores, mas a sua falha tem consequ\u00eancias graves: a perda de lubrifica\u00e7\u00e3o leva a uma r\u00e1pida <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-defects\/\">falha do rolamento<\/a>, a contamina\u00e7\u00e3o acelera <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/wear\/\">desgaste<\/a>, e nas bombas de processo, uma falha na veda\u00e7\u00e3o pode significar perda de produto, liberta\u00e7\u00e3o para o ambiente ou um verdadeiro risco de seguran\u00e7a.<\/p>\n<h2>1. Porque \u00e9 que os vedantes s\u00e3o mais importantes do que parecem<\/h2>\n<p>Um vedante \u00e9 o limite do sistema de lubrifica\u00e7\u00e3o e, em m\u00e1quinas de processo, o limite da conten\u00e7\u00e3o. Por ser pequena e barata em rela\u00e7\u00e3o ao rotor ou \u00e0s chumaceiras que protege, \u00e9 f\u00e1cil n\u00e3o a ter em conta - no entanto, muitas avarias nas chumaceiras n\u00e3o come\u00e7am com a chumaceira, mas sim com a veda\u00e7\u00e3o que era suposto proteg\u00ea-la. Tratar o estado do vedante como uma parte integrante do <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/condition-monitoring\/\">monitoriza\u00e7\u00e3o de condi\u00e7\u00f5es<\/a>, e n\u00e3o como um consum\u00edvel a substituir ap\u00f3s uma fuga, \u00e9 um dos ganhos de fiabilidade mais baratos dispon\u00edveis.<\/p>\n<h2>2. Tipos comuns de vedantes e seus defeitos<\/h2>\n<h3>Vedantes de l\u00e1bio (vedantes radiais do veio)<\/h3>\n<p>Vedantes elastom\u00e9ricos com um l\u00e1bio flex\u00edvel que entra em contacto com o eixo rotativo.<\/p>\n<p><strong>Defeitos comuns:<\/strong><\/p>\n<ul>\n<li><strong>Desgaste do l\u00e1bio:<\/strong> A fric\u00e7\u00e3o desgasta gradualmente o material do l\u00e1bio at\u00e9 perder o contacto de veda\u00e7\u00e3o.<\/li>\n<li><strong>Endurecimento:<\/strong> o calor ou o envelhecimento endurecem o elast\u00f3mero, retirando ao l\u00e1bio a sua flexibilidade e conformabilidade.<\/li>\n<li><strong>Fissuras:<\/strong> as fissuras formam-se no l\u00e1bio devido \u00e0 idade, ataque qu\u00edmico ou excesso de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/run-out\/\">desvio do eixo<\/a>.<\/li>\n<li><strong>Rasgamento do l\u00e1bio:<\/strong> danos provocados por uma instala\u00e7\u00e3o incorrecta, defeitos nos veios ou vibra\u00e7\u00f5es excessivas.<\/li>\n<li><strong>Perda da mola de reten\u00e7\u00e3o:<\/strong> a pequena mola que mant\u00e9m o contacto dos l\u00e1bios parte-se ou cai.<\/li>\n<\/ul>\n<p><strong>Sintomas:<\/strong> fuga de \u00f3leo ou massa lubrificante na sa\u00edda do veio, contamina\u00e7\u00e3o vis\u00edvel na zona da chumaceira, aumento da temperatura da chumaceira devido \u00e0 perda de lubrificante e aumento da vibra\u00e7\u00e3o da chumaceira devido \u00e0 contamina\u00e7\u00e3o.<\/p>\n<h3>Vedantes mec\u00e2nicos de face<\/h3>\n<p>Utilizado em bombas e aplica\u00e7\u00f5es de alta press\u00e3o, com duas faces lapidadas de precis\u00e3o a deslizar uma contra a outra.<\/p>\n<p><strong>Defeitos comuns:<\/strong><\/p>\n<ul>\n<li><strong>Desgaste facial:<\/strong> as faces de contacto desgastam-se e as fugas aumentam.<\/li>\n<li><strong>Danos na face:<\/strong> riscos, lascas ou fissuras t\u00e9rmicas nas faces de veda\u00e7\u00e3o.<\/li>\n<li><strong>Falha do O-ring:<\/strong> os vedantes secund\u00e1rios deterioram-se.<\/li>\n<li><strong>Falha da mola:<\/strong> as molas que fornecem a press\u00e3o facial partem-se ou enfraquecem.<\/li>\n<li><strong>Coqueamento e dep\u00f3sitos:<\/strong> a acumula\u00e7\u00e3o de material impede o contacto adequado com a face.<\/li>\n<\/ul>\n<p><strong>Sintomas:<\/strong> fugas vis\u00edveis no vedante, emiss\u00e3o de vapor quando se vedam fluidos quentes, ru\u00eddo de guincho devido ao contacto com a face, temperatura elevada do vedante e vibra\u00e7\u00e3o devido \u00e0 instabilidade do contacto com a face.<\/p>\n<h3>Vedantes de labirinto<\/h3>\n<p>Vedantes sem contacto amplamente utilizados em turbinas e compressores.<\/p>\n<p><strong>Defeitos comuns:<\/strong><\/p>\n<ul>\n<li><strong>Desgaste dos dentes:<\/strong> dentes do labirinto desgastados ou partidos por fric\u00e7\u00e3o.<\/li>\n<li><strong>Aumento da folga:<\/strong> o desgaste ou o crescimento t\u00e9rmico abrem a folga e corroem a efic\u00e1cia da veda\u00e7\u00e3o.<\/li>\n<li><strong>Ro\u00e7amentos:<\/strong> O contacto devido a vibra\u00e7\u00f5es excessivas ou ao movimento do veio danifica os dentes.<\/li>\n<li><strong>Dep\u00f3sitos:<\/strong> a acumula\u00e7\u00e3o de carbono ou de calc\u00e1rio altera as folgas.<\/li>\n<\/ul>\n<p><strong>Sintomas:<\/strong> aumento das fugas mensur\u00e1veis como perda de fluxo ou de press\u00e3o, diminui\u00e7\u00e3o da efici\u00eancia devido a fugas internas, vibra\u00e7\u00e3o devido a fric\u00e7\u00f5es que podem, em alguns casos, desencadear <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/steam-whirl\/\">redemoinho de vapor<\/a>, e provas f\u00edsicas de contacto, tais como marcas de desgaste ou descolora\u00e7\u00e3o provocada pelo calor.<\/p>\n<h3>O-Rings e vedantes est\u00e1ticos<\/h3>\n<ul>\n<li><strong>Deforma\u00e7\u00e3o por compress\u00e3o:<\/strong> deforma\u00e7\u00e3o permanente por compress\u00e3o sustentada.<\/li>\n<li><strong>Ataque qu\u00edmico:<\/strong> os fluidos incompat\u00edveis degradam o elast\u00f3mero.<\/li>\n<li><strong>Extrus\u00e3o:<\/strong> o O-ring \u00e9 espremido para fora da sua ranhura sob press\u00e3o.<\/li>\n<li><strong>Danos t\u00e9rmicos:<\/strong> envelhecimento t\u00e9rmico, endurecimento e fissura\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>3. Causas da falha do vedante<\/h2>\n<h3>Desgaste normal<\/h3>\n<ul>\n<li>Os vedantes de contacto t\u00eam uma vida \u00fatil limitada, regida pelo desgaste por fric\u00e7\u00e3o.<\/li>\n<li>A vida \u00fatil t\u00edpica do vedante labial \u00e9 de cerca de 5.000 a 20.000 horas de funcionamento.<\/li>\n<li>A vida \u00fatil do vedante mec\u00e2nico \u00e9 de cerca de 10 000 a 50 000 horas, consoante a aplica\u00e7\u00e3o.<\/li>\n<li>A taxa de desgaste depende do acabamento da superf\u00edcie do veio, da velocidade e da lubrifica\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Danos na instala\u00e7\u00e3o<\/h3>\n<ul>\n<li>O l\u00e1bio do vedante foi cortado ou danificado durante a montagem.<\/li>\n<li>O vedante n\u00e3o est\u00e1 corretamente assente no seu alojamento.<\/li>\n<li>Os defeitos da superf\u00edcie do veio rasgam o l\u00e1bio do vedante.<\/li>\n<li>A contamina\u00e7\u00e3o \u00e9 introduzida durante a montagem.<\/li>\n<\/ul>\n<h3>Condi\u00e7\u00f5es de opera\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Batimento excessivo do veio:<\/strong> <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/eccentricity\/\">excentricidade<\/a> ou vibra\u00e7\u00e3o para al\u00e9m da capacidade do vedante.<\/li>\n<li><strong>Temperatura elevada:<\/strong> degrada os materiais elastom\u00e9ricos.<\/li>\n<li><strong>Incompatibilidade qu\u00edmica:<\/strong> os fluidos do processo atacam o material de veda\u00e7\u00e3o.<\/li>\n<li><strong>Ambiente abrasivo:<\/strong> as part\u00edculas danificam as faces dos vedantes.<\/li>\n<li><strong>Funcionamento a seco:<\/strong> a perda de lubrifica\u00e7\u00e3o da junta provoca um desgaste r\u00e1pido.<\/li>\n<\/ul>\n<h3>Problemas mec\u00e2nicos<\/h3>\n<ul>\n<li>Vibra\u00e7\u00e3o excessiva de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a> ou <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">desalinhamento<\/a>.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/shaft-crack\/\">Defeitos no eixo<\/a> tais como riscos ou ranhuras que roem o l\u00e1bio do vedante.<\/li>\n<li>Falha da chumaceira que permite um movimento excessivo do veio.<\/li>\n<li>Crescimento t\u00e9rmico que perturba o ajuste da veda\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>4. Dete\u00e7\u00e3o de defeitos de veda\u00e7\u00e3o<\/h2>\n<h3>Indicadores visuais<\/h3>\n<ul>\n<li><strong>Vazamento:<\/strong> \u00f3leo, massa lubrificante ou fluido de processo vis\u00edvel na junta.<\/li>\n<li><strong>Manchas:<\/strong> descolora\u00e7\u00e3o \u00e0 volta do vedante devido a infiltra\u00e7\u00f5es.<\/li>\n<li><strong>Gotejamento:<\/strong> acumula\u00e7\u00e3o de fugas ativas por baixo do equipamento.<\/li>\n<li><strong>N\u00e9voa:<\/strong> uma pulveriza\u00e7\u00e3o fina devido a uma fuga de vedante de alta press\u00e3o.<\/li>\n<\/ul>\n<h3>Indicadores Operacionais<\/h3>\n<ul>\n<li><strong>Perda de lubrificante:<\/strong> uma necessidade recorrente de atestar o \u00f3leo ou a massa lubrificante.<\/li>\n<li><strong>Contamina\u00e7\u00e3o:<\/strong> sujidade ou humidade em <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/oil-analysis\/\">an\u00e1lise do \u00f3leo<\/a> amostras.<\/li>\n<li><strong>Problemas com os rolamentos:<\/strong> Desgaste prematuro do rolamento devido \u00e0 contamina\u00e7\u00e3o ou perda de lubrificante<\/li>\n<li><strong>Aumento da temperatura:<\/strong> aquecimento dos rolamentos devido a uma lubrifica\u00e7\u00e3o insuficiente.<\/li>\n<\/ul>\n<h3>Efeitos de vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li>As fric\u00e7\u00f5es dos vedantes podem criar vibra\u00e7\u00f5es induzidas por fric\u00e7\u00e3o.<\/li>\n<li>Os componentes de alta frequ\u00eancia resultam do contacto com os vedantes.<\/li>\n<li>Em casos graves, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/sub-synchronous\/\">subs\u00edncrono<\/a> a vibra\u00e7\u00e3o resulta da instabilidade dos vedantes.<\/li>\n<li>Os efeitos secund\u00e1rios incluem a vibra\u00e7\u00e3o da chumaceira devido a contamina\u00e7\u00e3o ou perda de lubrifica\u00e7\u00e3o.<\/li>\n<\/ul>\n<p>Os sintomas de vibra\u00e7\u00e3o s\u00e3o subtis e de banda larga, em vez de estarem ligados a uma \u00fanica linha n\u00edtida, pelo que s\u00e3o mais \u00fateis quando lidos em rela\u00e7\u00e3o a uma <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/baseline\/\">linha de base<\/a> num <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spectrum\/\">espetro<\/a>: um aumento gradual na regi\u00e3o de alta frequ\u00eancia ou sub-s\u00edncrona, em vez de um salto a 1\u00d7, \u00e9 a assinatura t\u00edpica relacionada com o vedante.<\/p>\n<h2>5. Consequ\u00eancias da falha do vedante<\/h2>\n<h3>Efeitos imediatos<\/h3>\n<ul>\n<li>Perda de lubrificante que requer reabastecimento frequente.<\/li>\n<li>Entrada de contamina\u00e7\u00e3o que degrada o lubrificante restante.<\/li>\n<li>Perda de produto ou liberta\u00e7\u00e3o ambiental em vedantes de processo.<\/li>\n<li>Riscos de seguran\u00e7a causados por pisos escorregadios ou libera\u00e7\u00e3o de materiais t\u00f3xicos<\/li>\n<\/ul>\n<h3>Dano Secund\u00e1rio<\/h3>\n<ul>\n<li><strong>Falha do rolamento:<\/strong> Lubrifica\u00e7\u00e3o inadequada ou contamina\u00e7\u00e3o destroem os rolamentos<\/li>\n<li><strong>Desgaste acelerado:<\/strong> a contamina\u00e7\u00e3o abrasiva acelera o desgaste em todo o lado.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/corrosion\/\">Corros\u00e3o<\/a>:<\/strong> a entrada de humidade provoca ferrugem e corros\u00e3o.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/coupling-defects\/\">Acoplamento<\/a> danos:<\/strong> Spray lubrificante contamina elementos de acoplamento elastom\u00e9ricos<\/li>\n<\/ul>\n<h2>6. Preven\u00e7\u00e3o e manuten\u00e7\u00e3o<\/h2>\n<h3>Sele\u00e7\u00e3o adequada<\/h3>\n<ul>\n<li>Escolha um tipo de vedante adequado \u00e0 aplica\u00e7\u00e3o - a sua press\u00e3o, temperatura, velocidade e ambiente qu\u00edmico.<\/li>\n<li>Utilize o tamanho e a especifica\u00e7\u00e3o corretos do vedante.<\/li>\n<li>Respeitar o requisito de acabamento da superf\u00edcie do veio, normalmente abaixo de 0,8 \u00b5m Ra para vedantes de l\u00e1bio.<\/li>\n<li>Adequar o elast\u00f3mero ao fluido e \u00e0 temperatura (nitrilo, Viton, PTFE, etc.).<\/li>\n<\/ul>\n<h3>Pr\u00e1ticas de instala\u00e7\u00e3o<\/h3>\n<ul>\n<li>Limpar todas as superf\u00edcies antes da montagem.<\/li>\n<li>Utilizar ferramentas de instala\u00e7\u00e3o adequadas - ferramentas de inser\u00e7\u00e3o de vedantes, nunca martelos.<\/li>\n<li>Lubrificar os l\u00e1bios de veda\u00e7\u00e3o antes da montagem.<\/li>\n<li>Proteger o l\u00e1bio durante o seu deslizamento sobre o veio, utilizando uma manga de instala\u00e7\u00e3o.<\/li>\n<li>Verificar o esquadro e o assentamento correto.<\/li>\n<\/ul>\n<h3>Pr\u00e1ticas Operacionais<\/h3>\n<ul>\n<li>Manter bom <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/equilibrio-2\/\">equil\u00edbrio<\/a> e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">alinhamento<\/a> para reduzir o movimento e a vibra\u00e7\u00e3o do veio.<\/li>\n<li>Manter as temperaturas de funcionamento dentro da classifica\u00e7\u00e3o do vedante.<\/li>\n<li>Assegurar que a lubrifica\u00e7\u00e3o chega efetivamente ao vedante.<\/li>\n<li>Evite contaminar a \u00e1rea de veda\u00e7\u00e3o com materiais incompat\u00edveis<\/li>\n<\/ul>\n<h3>Substitui\u00e7\u00e3o Preventiva<\/h3>\n<ul>\n<li>Substituir os vedantes durante a manuten\u00e7\u00e3o programada em vez de esperar pela avaria.<\/li>\n<li>Os intervalos de substitui\u00e7\u00e3o t\u00edpicos s\u00e3o de dois a cinco anos, ou de acordo com a recomenda\u00e7\u00e3o do fabricante.<\/li>\n<li>Colocar sempre vedantes novos quando se abre uma caixa de rolamentos.<\/li>\n<li>Manter os kits de veda\u00e7\u00e3o no invent\u00e1rio de pe\u00e7as sobresselentes.<\/li>\n<\/ul>\n<h2>7. Considera\u00e7\u00f5es especiais<\/h2>\n<h3>Equipamentos de alta vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li>Um movimento excessivo do veio destr\u00f3i rapidamente os vedantes.<\/li>\n<li>A vibra\u00e7\u00e3o de origem deve ser abordada para alcan\u00e7ar uma vida \u00fatil aceit\u00e1vel do vedante.<\/li>\n<li>Os vedantes resistentes ou com mola ajudam em aplica\u00e7\u00f5es de elevada vibra\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Ambientes Extremos<\/h3>\n<ul>\n<li><strong>Temperatura elevada:<\/strong> Use elast\u00f4meros de alta temperatura ou selos mec\u00e2nicos<\/li>\n<li><strong>Abrasivo:<\/strong> instalar mangas de prote\u00e7\u00e3o do veio e vedantes do expulsor para excluir part\u00edculas.<\/li>\n<li><strong>Corrosivo:<\/strong> utilizar materiais resistentes a produtos qu\u00edmicos e superf\u00edcies revestidas.<\/li>\n<li><strong>V\u00e1cuo:<\/strong> utilizar vedantes especiais de baixa emiss\u00e3o de gases.<\/li>\n<\/ul>\n<h2>8. Resolu\u00e7\u00e3o de problemas de veda\u00e7\u00e3o<\/h2>\n<h3>Falha prematura da veda\u00e7\u00e3o<\/h3>\n<p><strong>\u00c1reas de investiga\u00e7\u00e3o:<\/strong><\/p>\n<ul>\n<li>Verificar o estado da superf\u00edcie do veio - rugosidade, riscos, corros\u00e3o.<\/li>\n<li>Verifique a excentricidade do veio, uma vez que uma excentricidade excessiva destr\u00f3i rapidamente os vedantes.<\/li>\n<li>Medir os n\u00edveis de vibra\u00e7\u00e3o, uma vez que uma vibra\u00e7\u00e3o elevada reduz a vida \u00fatil dos vedantes.<\/li>\n<li>Confirmar se a temperatura de funcionamento est\u00e1 dentro da classifica\u00e7\u00e3o do vedante.<\/li>\n<li>Verificar a incompatibilidade qu\u00edmica.<\/li>\n<li>Examinar as pr\u00e1ticas de instala\u00e7\u00e3o utilizadas.<\/li>\n<li>Verifique se o tipo e o tamanho do vedante est\u00e3o corretos para o servi\u00e7o.<\/li>\n<\/ul>\n<h3>Vazamento persistente<\/h3>\n<p><strong>Poss\u00edveis causas e solu\u00e7\u00f5es:<\/strong><\/p>\n<ul>\n<li><strong>Danos no veio:<\/strong> uma ranhura desgastada no local do vedante \u2192 reparar o veio ou colocar uma manga de repara\u00e7\u00e3o.<\/li>\n<li><strong>Excentricidade excessiva:<\/strong> Excentricidade do eixo \u2192 corre\u00e7\u00e3o da excentricidade ou uso de veda\u00e7\u00e3o de maior capacidade<\/li>\n<li><strong>Orienta\u00e7\u00e3o incorreta:<\/strong> o vedante est\u00e1 montado ao contr\u00e1rio \u2192 voltar a mont\u00e1-lo corretamente.<\/li>\n<li><strong>L\u00e1bio danificado:<\/strong> Danos na instala\u00e7\u00e3o \u2192 substituir e usar t\u00e9cnica adequada<\/li>\n<li><strong>Press\u00e3o incorrecta:<\/strong> press\u00e3o superior \u00e0 classifica\u00e7\u00e3o do vedante \u2192 utilizar um vedante com classifica\u00e7\u00e3o de press\u00e3o ou reduzir a press\u00e3o.<\/li>\n<\/ul>\n<h2>9. Problemas de vibra\u00e7\u00e3o relacionados com o vedante<\/h2>\n<h3>Atrito e instabilidade da veda\u00e7\u00e3o<\/h3>\n<ul>\n<li>As veda\u00e7\u00f5es de contacto podem gerar fric\u00e7\u00e3o por ader\u00eancia-deslizamento.<\/li>\n<li>Pode contribuir para vibra\u00e7\u00e3o ou vibra\u00e7\u00e3o de baixa frequ\u00eancia<\/li>\n<li>Os vedantes de funcionamento a seco s\u00e3o especialmente propensos a vibra\u00e7\u00f5es por fric\u00e7\u00e3o.<\/li>\n<li>Veda\u00e7\u00f5es sem contato (labirinto) podem criar instabilidades aerodin\u00e2micas<\/li>\n<\/ul>\n<h3>Atrito da veda\u00e7\u00e3o<\/h3>\n<ul>\n<li>O movimento excessivo do veio faz com que o vedante entre em contacto for\u00e7ado com o veio.<\/li>\n<li>O contacto gera calor e danifica rapidamente o vedante.<\/li>\n<li>O aquecimento assim\u00e9trico pode produzir um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/thermal-bow\/\">arco t\u00e9rmico<\/a> no veio.<\/li>\n<li>O resultado \u00e9 frequentemente vibra\u00e7\u00e3o e ru\u00eddo de alta frequ\u00eancia \u2014 um parente pr\u00f3ximo do atrito total. <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/rotor-rub\/\">fric\u00e7\u00e3o do rotor<\/a>.<\/li>\n<\/ul>\n<h2>10. Impacto na fiabilidade da m\u00e1quina<\/h2>\n<h3>Lubrifica\u00e7\u00e3o - Integridade do sistema<\/h3>\n<ul>\n<li>As veda\u00e7\u00f5es s\u00e3o o limite cr\u00edtico do sistema de lubrifica\u00e7\u00e3o.<\/li>\n<li>A falha do selo leva \u00e0 perda de lubrificante e \u00e0 entrada de contamina\u00e7\u00e3o<\/li>\n<li>O resultado \u00e9 a r\u00e1pida deteriora\u00e7\u00e3o dos rolamentos.<\/li>\n<li>Isto pode levar a uma falha total da m\u00e1quina.<\/li>\n<\/ul>\n<h3>Prote\u00e7\u00e3o Ambiental<\/h3>\n<ul>\n<li>As veda\u00e7\u00f5es evitam fugas de fluido de processo das bombas e compressores.<\/li>\n<li>Uma falha pode causar contamina\u00e7\u00e3o ambiental.<\/li>\n<li>Os materiais t\u00f3xicos ou inflam\u00e1veis suscitam s\u00e9rios problemas de seguran\u00e7a.<\/li>\n<li>As fugas podem criar problemas de conformidade regulamentar.<\/li>\n<\/ul>\n<h2>11. Tecnologias modernas de veda\u00e7\u00e3o<\/h2>\n<h3>Designs Avan\u00e7ados<\/h3>\n<ul>\n<li><strong>Vedantes multi-l\u00e1bios:<\/strong> v\u00e1rios l\u00e1bios de veda\u00e7\u00e3o para redund\u00e2ncia.<\/li>\n<li><strong>Vedantes do expulsor:<\/strong> A a\u00e7\u00e3o centr\u00edfuga afasta os contaminantes do vedante.<\/li>\n<li><strong>Vedantes magn\u00e9ticos:<\/strong> um fluido magn\u00e9tico mantido no lugar por um campo magn\u00e9tico.<\/li>\n<li><strong>Vedantes de g\u00e1s seco:<\/strong> vedantes sem contacto para compressores de alta velocidade.<\/li>\n<li><strong>Vedantes de cartucho:<\/strong> unidades pr\u00e9-montadas que simplificam a instala\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Monitoriza\u00e7\u00e3o de Condi\u00e7\u00e3o<\/h3>\n<ul>\n<li>Sistemas de dete\u00e7\u00e3o de fugas de vedantes.<\/li>\n<li>Monitoriza\u00e7\u00e3o do fluxo de fluido de lavagem em vedantes mec\u00e2nicos.<\/li>\n<li>Monitoriza\u00e7\u00e3o da temperatura no local de selagem.<\/li>\n<li>Monitoriza\u00e7\u00e3o das vibra\u00e7\u00f5es para detetar precocemente problemas relacionados com os vedantes.<\/li>\n<\/ul>\n<h2>12. A liga\u00e7\u00e3o de vibra\u00e7\u00e3o na pr\u00e1tica - e o Balanset-1A<\/h2>\n<p>A \u00fanica coisa mais eficaz que uma equipa de manuten\u00e7\u00e3o pode fazer para prolongar a vida \u00fatil do vedante \u00e9 manter o veio silencioso. Uma vez que a maior parte das falhas prematuras dos vedantes se deve a um movimento excessivo do veio provocado por <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/unbalance\/\">desequil\u00edbrio<\/a>, <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">desalinhamento<\/a> ou rolamentos desgastados, o controlo dessas causas protege o vedante de forma muito mais fi\u00e1vel do que a atualiza\u00e7\u00e3o do pr\u00f3prio vedante. Um analisador port\u00e1til de dois canais, como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> permite que um t\u00e9cnico confirme no terreno se a vibra\u00e7\u00e3o se situa dentro de um limite aceit\u00e1vel <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration-severity\/\">severidade<\/a> e, se for detectado um desequil\u00edbrio, corrigi-lo no local atrav\u00e9s de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/equilibrio-de-campos\/\">equilibragem no local<\/a> o rotor nos seus pr\u00f3prios rolamentos - removendo a pr\u00f3pria excita\u00e7\u00e3o que estava a destruir o vedante. Lida juntamente com a an\u00e1lise do \u00f3leo e a monitoriza\u00e7\u00e3o da temperatura do vedante, a medi\u00e7\u00e3o da vibra\u00e7\u00e3o fecha o ciclo entre um vedante com fugas e a falha mec\u00e2nica que o causou.<\/p>\n<p>Os defeitos dos vedantes, embora frequentemente ignorados ao lado dos problemas dos rolamentos ou do rotor, t\u00eam um efeito decisivo na fiabilidade da m\u00e1quina. A sele\u00e7\u00e3o adequada, a instala\u00e7\u00e3o cuidadosa e a substitui\u00e7\u00e3o preventiva - combinadas com o ataque \u00e0s causas de raiz da falha prematura, como a vibra\u00e7\u00e3o, a excentricidade e a contamina\u00e7\u00e3o - permitem que os vedantes desempenhem as suas fun\u00e7\u00f5es essenciais de reten\u00e7\u00e3o de lubrificante e exclus\u00e3o de contamina\u00e7\u00e3o ao longo da vida \u00fatil prevista.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/\">\u2190 Voltar ao \u00edndice principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Saiba mais sobre defeitos de veda\u00e7\u00e3o em m\u00e1quinas rotativas, incluindo desgaste, vazamento, atrito e danos, que afetam a reten\u00e7\u00e3o de lubrifica\u00e7\u00e3o, a exclus\u00e3o de contaminantes e a vibra\u00e7\u00e3o.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-228","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/228\/revisions"}],"predecessor-version":[{"id":101457,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/228\/revisions\/101457"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}