{"id":160,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/magnetic-pull\/"},"modified":"2026-07-03T09:54:32","modified_gmt":"2026-07-03T09:54:32","slug":"magnetic-pull","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt-br\/glossary\/magnetic-pull\/","title":{"rendered":"O que \u00e9 Tra\u00e7\u00e3o Magn\u00e9tica? For\u00e7a Magn\u00e9tica Desbalanceada em Motores"},"content":{"rendered":"<h1>Compreendendo a Tra\u00e7\u00e3o Magn\u00e9tica em Motores El\u00e9tricos<\/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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Adicione ao carrinho: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Tra\u00e7\u00e3o magn\u00e9tica<\/strong> \u2014 tamb\u00e9m chamada de tra\u00e7\u00e3o magn\u00e9tica desbalanceada, ou UMP \u2014 \u00e9 uma for\u00e7a eletromagn\u00e9tica radial resultante que se desenvolve em motores el\u00e9tricos e geradores quando o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/air-gap\/\">entreferro<\/a> entre o rotor e o estator n\u00e3o \u00e9 uniforme. Quando o rotor fica fora do centro no furo do estator, o entreferro se estreza de um lado e se alarga do outro. Como a atra\u00e7\u00e3o magn\u00e9tica varia inversamente com o quadrado do entreferro, a for\u00e7a no lado de entreferro estreito \u00e9 muito mais forte, produzindo uma tra\u00e7\u00e3o resultante que arrasta o rotor para esse lado. O resultado \u00e9 um acoplamento entre mec\u00e2nico <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/eccentricity\/\">excentricidade<\/a> e for\u00e7a eletromagn\u00e9tica que, se n\u00e3o controlado, pode se alimentar a si mesmo.<\/p>\n<p>O puxamento magn\u00e9tico tipicamente gera <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> em frequ\u00eancias relacionadas \u00e0 rede \u2014 mais caracteristicamente na frequ\u00eancia 2\u00d7 da rede el\u00e9trica (120 Hz em redes de 60 Hz, 100 Hz em redes de 50 Hz) quando a excentricidade \u00e9 est\u00e1tica \u2014 pode defletir o rotor significativamente, acelera <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bearing-wear\/\">desgaste do rolamento<\/a>, e em casos graves termina em contato catastr\u00f3fico entre rotor e estator. Compreend\u00ea-la \u00e9 fundamental para diagnosticar <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/motor-defects\/\">falhas em motores<\/a> corretamente.<\/p>\n<h2>1. Mecanismo F\u00edsico<\/h2>\n<h3>Entreferro uniforme (condi\u00e7\u00e3o normal)<\/h3>\n<ul>\n<li>Rotor centrado no furo do estator.<\/li>\n<li>Entreferro igual ao redor de toda a circunfer\u00eancia (tipicamente 0,3\u20131,5 mm).<\/li>\n<li>As for\u00e7as magn\u00e9ticas em lados opostos se equilibram e se cancelam.<\/li>\n<li>For\u00e7a radial resultante \u2248 zero.<\/li>\n<li>Vibra\u00e7\u00e3o eletromagn\u00e9tica m\u00ednima.<\/li>\n<\/ul>\n<h3>Entreferro exc\u00eantrico (condi\u00e7\u00e3o UMP)<\/h3>\n<p>Quando o rotor gira fora do centro:<\/p>\n<ol>\n<li><strong>Assimetria do entreferro:<\/strong> um lado se estreza (ex. 0,5 mm) enquanto o lado oposto se alarga (ex. 1,0 mm).<\/li>\n<li><strong>Lei do inverso do quadrado:<\/strong> for\u00e7a magn\u00e9tica \u221d 1\/entreferro\u00b2, portanto a for\u00e7a no lado estreito \u00e9 muito maior.<\/li>\n<li><strong>For\u00e7a resultante:<\/strong> as for\u00e7as desbalanceadas n\u00e3o se cancelam mais, deixando uma tra\u00e7\u00e3o resultante em dire\u00e7\u00e3o ao lado de entreferro estreito.<\/li>\n<li><strong>Magnitude:<\/strong> pode atingir centenas a milhares de libras mesmo em motores de tamanho moderado.<\/li>\n<li><strong>Dire\u00e7\u00e3o:<\/strong> sempre em dire\u00e7\u00e3o ao lado com o menor entreferro.<\/li>\n<\/ol>\n<h3>Por que o dobro da frequ\u00eancia da rede?<\/h3>\n<p>Um forte componente na frequ\u00eancia 2\u00d7 da rede \u00e9 a assinatura cl\u00e1ssica do UMP causado por uma excentricidade fixa (est\u00e1tica):<\/p>\n<ul>\n<li>Uma alimenta\u00e7\u00e3o trif\u00e1sica balanceada produz um campo magn\u00e9tico rotativo de magnitude essencialmente constante \u2014 o campo em si n\u00e3o simplesmente pulsa.<\/li>\n<li>No entanto, a for\u00e7a magn\u00e9tica radial (Maxwell) em qualquer ponto fixo no estator \u00e9 proporcional ao quadrado da densidade de fluxo local (B\u00b2); como a densidade de fluxo nesse ponto alterna na frequ\u00eancia da rede, a for\u00e7a radial local pulsa na frequ\u00eancia 2\u00d7 da rede.<\/li>\n<li>Com um entreferro uniforme, essas pulsa\u00e7\u00f5es de for\u00e7a s\u00e3o sim\u00e9tricas ao redor do furo e se cancelam em grande parte; uma excentricidade est\u00e1tica quebra a simetria, deixando uma for\u00e7a pulsante resultante \u2014 e vibra\u00e7\u00e3o \u2014 na frequ\u00eancia 2\u00d7f.<\/li>\n<li>Motor de 60 Hz \u2192 vibra\u00e7\u00e3o de 120 Hz; motor de 50 Hz \u2192 vibra\u00e7\u00e3o de 100 Hz.<\/li>\n<li>A excentricidade din\u00e2mica (o v\u00e3o estreito girando com o eixo) comporta-se de forma diferente: manifesta-se principalmente na velocidade de rota\u00e7\u00e3o de 1\u00d7 com <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/pole-pass-frequency\/\">frequ\u00eancia de passagem de polos<\/a> bandas laterais em vez de um pico limpo de 2\u00d7f.<\/li>\n<\/ul>\n<p>Um \u00fanico pico n\u00e3o \u00e9 prova por si s\u00f3. Satura\u00e7\u00e3o magn\u00e9tica, ranhuras do estator e desequil\u00edbrio de tens\u00e3o de alimenta\u00e7\u00e3o tamb\u00e9m podem elevar componentes relacionados \u00e0 frequ\u00eancia da rede, portanto, um pico elevado de 2\u00d7f deve ser confirmado com verifica\u00e7\u00f5es de corrente, carga\/desempenho em vazio e v\u00e3o de ar antes que o UMP seja declarado.<\/p>\n<p>Isso coloca a UMP firmemente na fam\u00edlia de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/electrical-faults\/\">falhas el\u00e9tricas<\/a>, distinta de fontes puramente mec\u00e2nicas mesmo quando o sintoma \u2014 um pico forte de 2\u00d7 \u2014 parece semelhante \u00e0 primeira vista.<\/p>\n<h2>2. Causas da Tra\u00e7\u00e3o Magn\u00e9tica Desbalanceada<\/h2>\n<h3>Desgaste de rolamento<\/h3>\n<ul>\n<li>A causa mais comum de desenvolvimento de UMP.<\/li>\n<li>A folga do rolamento permite que o rotor gire fora do centro.<\/li>\n<li>A gravidade puxa o rotor para baixo, reduzindo o entreferro inferior.<\/li>\n<li>A UMP ent\u00e3o arrasta o rotor ainda mais fora do centro.<\/li>\n<li>Realimenta\u00e7\u00e3o positiva: a FDM acelera o pr\u00f3prio desgaste do rolamento que a causou.<\/li>\n<\/ul>\n<h3>Toler\u00e2ncias de fabrica\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Excentricidade do rotor:<\/strong> rotor n\u00e3o perfeitamente redondo, ou n\u00e3o centrado em seu eixo.<\/li>\n<li><strong>Excentricidade do furo do estator:<\/strong> furo n\u00e3o conc\u00eantrico com as superf\u00edcies de montagem.<\/li>\n<li><strong>Erros de montagem:<\/strong> tampas de extremidade desalinhadas, ou o rotor inclinado durante a montagem.<\/li>\n<li><strong>Ac\u00famulo de toler\u00e2ncias:<\/strong> um ac\u00famulo de pequenos erros somando-se para formar uma excentricidade mensur\u00e1vel.<\/li>\n<\/ul>\n<h3>Causas operacionais<\/h3>\n<ul>\n<li><strong>Expans\u00e3o t\u00e9rmica:<\/strong> expans\u00e3o diferencial perturbando a uniformidade do entreferro.<\/li>\n<li><strong>Distor\u00e7\u00e3o da carca\u00e7a:<\/strong> <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/soft-foot\/\">p\u00e9 mancal frouxo<\/a> ou tens\u00e3o de montagem deformando a carca\u00e7a.<\/li>\n<li><strong>Deflex\u00e3o do eixo:<\/strong> carga ou for\u00e7as do acoplamento curvando o eixo.<\/li>\n<li><strong>Problemas de funda\u00e7\u00e3o:<\/strong> assentamento ou deteriora\u00e7\u00e3o deslocando a posi\u00e7\u00e3o do motor.<\/li>\n<\/ul>\n<h2>3. Efeitos e Consequ\u00eancias<\/h2>\n<h3>Efeitos diretos<\/h3>\n<ul>\n<li><strong>For\u00e7a radial no rotor:<\/strong> uma tra\u00e7\u00e3o cont\u00ednua em dire\u00e7\u00e3o a um lado.<\/li>\n<li><strong>Sobrecarga do rolamento:<\/strong> um rolamento suporta a carga magn\u00e9tica extra.<\/li>\n<li><strong>Vibra\u00e7\u00e3o em 2\u00d7f:<\/strong> um componente eletromagn\u00e9tico elevado.<\/li>\n<li><strong>Deflex\u00e3o do eixo:<\/strong> a for\u00e7a magn\u00e9tica curva o eixo, piorando a excentricidade.<\/li>\n<\/ul>\n<h3>Mecanismo de falha progressiva<\/h3>\n<p>A FDM pode impulsionar um ciclo de falha autorrefor\u00e7ado:<\/p>\n<ol>\n<li>Excentricidade inicial (por desgaste do rolamento ou fabrica\u00e7\u00e3o).<\/li>\n<li>A tra\u00e7\u00e3o magn\u00e9tica se desenvolve em dire\u00e7\u00e3o ao lado de menor entreferro.<\/li>\n<li>A for\u00e7a desvia o rotor ainda mais, estreitando ainda mais o entreferro.<\/li>\n<li>O entreferro menor produz uma tra\u00e7\u00e3o mais forte.<\/li>\n<li>O desgaste do rolamento acelera no lado carregado.<\/li>\n<li>A excentricidade e a tra\u00e7\u00e3o continuam aumentando.<\/li>\n<li>Contato eventual rotor-estator e falha catastr\u00f3fica.<\/li>\n<\/ol>\n<h3>Danos secund\u00e1rios<\/h3>\n<ul>\n<li>Falha acelerada do rolamento devido \u00e0 carga assim\u00e9trica.<\/li>\n<li>Poss\u00edvel <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-rub\/\">contatos rotor-estator<\/a> danificando ambos os componentes.<\/li>\n<li>Curvatura do eixo ou um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/shaft-bow\/\">empenamento permanente<\/a>.<\/li>\n<li>Danos ao enrolamento do estator por impactos do rotor.<\/li>\n<li>Perda de efici\u00eancia devido a um entreferro n\u00e3o ideal.<\/li>\n<\/ul>\n<h2>4. Detec\u00e7\u00e3o e Diagn\u00f3stico<\/h2>\n<h3>Assinatura de vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Indicador principal:<\/strong> frequ\u00eancia de linha 2\u00d7 elevada (120 Hz ou 100 Hz).<\/li>\n<li><strong>Padr\u00e3o t\u00edpico:<\/strong> a amplitude de 2\u00d7f excede 30\u201350% da de 1\u00d7 <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/running-speed\/\">velocidade de opera\u00e7\u00e3o<\/a> vibra\u00e7\u00e3o.<\/li>\n<li><strong>Confirma\u00e7\u00e3o:<\/strong> o componente de 2\u00d7f n\u00e3o \u00e9 proporcional ao desbalanceamento mec\u00e2nico.<\/li>\n<li><strong>Independ\u00eancia da carga:<\/strong> a amplitude de 2\u00d7f permanece relativamente constante com a carga, ao contr\u00e1rio das fontes mec\u00e2nicas.<\/li>\n<\/ul>\n<p>Ler esses picos corretamente exige primeiro um eixo de frequ\u00eancia preciso. Um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/spectrum\/\">espectro<\/a>, resolvido com um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/fft\/\">FFT<\/a> e ancorado \u00e0 velocidade de opera\u00e7\u00e3o, \u00e9 o que permite separar um pico de <em>rede<\/em>frequ\u00eancia de um pico de <em>velocidade de<\/em>opera\u00e7\u00e3o \u2014 a distin\u00e7\u00e3o mais importante neste diagn\u00f3stico.<\/p>\n<h3>Diferenciando a FDM de outras fontes de 2\u00d7<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Fonte<\/th>\n<th>Caracter\u00edsticas<\/th>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/misalignment\/\">Desalinhamento<\/a><\/td>\n<td>2\u00d7 velocidade de opera\u00e7\u00e3o (n\u00e3o 2\u00d7 frequ\u00eancia da rede); vibra\u00e7\u00e3o axial alta<\/td>\n<\/tr>\n<tr>\n<td>Tra\u00e7\u00e3o magn\u00e9tica<\/td>\n<td>2\u00d7 frequ\u00eancia da rede (120\/100 Hz); origem eletromagn\u00e9tica<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/stator-defects\/\">Falhas no estator<\/a><\/td>\n<td>2\u00d7 frequ\u00eancia da rede; desbalanceamento de corrente presente<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/frame-resonance\/\">A resson\u00e2ncia da estrutura<\/a><\/td>\n<td>frequ\u00eancia de linha 2\u00d7; vibra\u00e7\u00e3o da carca\u00e7a muito superior \u00e0 vibra\u00e7\u00e3o do rolamento<\/td>\n<\/tr>\n<\/table>\n<h3>Testes diagn\u00f3sticos adicionais<\/h3>\n<h4>Medi\u00e7\u00e3o do entreferro<\/h4>\n<ul>\n<li>Me\u00e7a o entreferro em v\u00e1rios pontos ao redor da circunfer\u00eancia (requer desmontagem do motor).<\/li>\n<li>Uma excentricidade superior a 10% do entreferro m\u00e9dio indica um problema.<\/li>\n<li>Documente os valores m\u00ednimo e m\u00e1ximo do entreferro.<\/li>\n<\/ul>\n<h4>An\u00e1lise de corrente<\/h4>\n<ul>\n<li>Verifique o equil\u00edbrio das correntes de fase.<\/li>\n<li>O desequil\u00edbrio de corrente pode acompanhar o UMP.<\/li>\n<li>O espectro de corrente mostra um componente de 2\u00d7 a frequ\u00eancia da rede.<\/li>\n<\/ul>\n<h4>Teste em vazio<\/h4>\n<ul>\n<li>Operar o motor desacoplado em vazio.<\/li>\n<li>Se a vibra\u00e7\u00e3o de 2\u00d7f permanecer alta, a fonte \u00e9 eletromagn\u00e9tica (UMP ou defeito no estator).<\/li>\n<li>Se cair bruscamente, a fonte \u00e9 desalinhamento mec\u00e2nico.<\/li>\n<\/ul>\n<p>Este teste em vazio \u00e9 a verifica\u00e7\u00e3o em campo decisiva: separa claramente uma causa eletromagn\u00e9tica de uma mec\u00e2nica e deve ser realizado antes de qualquer desmontagem invasiva. Um <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/motor-electrical-frequencies\/\">calculadora de frequ\u00eancia de defeito el\u00e9trico de motor<\/a> ajuda a confirmar exatamente onde 2\u00d7f e componentes relacionados devem cair para uma dada alimenta\u00e7\u00e3o e n\u00famero de polos.<\/p>\n<h2>5. Quantificando a For\u00e7a de Atra\u00e7\u00e3o Magn\u00e9tica<\/h2>\n<h3>Rela\u00e7\u00e3o aproximada<\/h3>\n<p>A for\u00e7a do UMP pode ser estimada a partir de uma simples proporcionalidade:<\/p>\n<blockquote><p><strong>F \u221d (excentricidade \/ entreferro) \u00d7 pot\u00eancia do motor.<\/strong> A for\u00e7a cresce aproximadamente linearmente com a excentricidade, aumenta bruscamente \u00e0 medida que o entreferro diminui e escala com o tamanho do motor.<\/p><\/blockquote>\n<h3>Magnitudes t\u00edpicas<\/h3>\n<ul>\n<li><strong>Motor de 10 HP, excentricidade de 10%:<\/strong> ~50\u2013100 lbf.<\/li>\n<li><strong>Motor de 100 HP, excentricidade de 20%:<\/strong> ~500\u20131.000 lbf.<\/li>\n<li><strong>Motor de 1000 HP, excentricidade de 30%:<\/strong> ~5.000\u201310.000 lbf.<\/li>\n<li><strong>Impacto:<\/strong> for\u00e7as dessa escala sobrecarregam fortemente os rolamentos e podem defletir visivelmente os eixos.<\/li>\n<\/ul>\n<h2>6. M\u00e9todos de Corre\u00e7\u00e3o<\/h2>\n<h3>Para excentricidade causada por rolamentos<\/h3>\n<ul>\n<li>Substitua os rolamentos desgastados para restaurar o centrar adequado do rotor.<\/li>\n<li>Use rolamentos com toler\u00e2ncias mais apertadas se a excentricidade se repetir.<\/li>\n<li>Verifique se a sele\u00e7\u00e3o do rolamento \u00e9 adequada para as cargas do motor, incluindo o UMP.<\/li>\n<li>Verifique o ajuste do rolamento no eixo e nas tampas extremas.<\/li>\n<\/ul>\n<h3>Para excentricidade de fabrica\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Leve (&lt; 10%):<\/strong> aceite e monitore se a vibra\u00e7\u00e3o for aceit\u00e1vel.<\/li>\n<li><strong>Moderado (10\u201325%):<\/strong> considere retificar o estator ou usinar o rotor.<\/li>\n<li><strong>Grave (&gt; 25%):<\/strong> substitui\u00e7\u00e3o do motor ou retrabalho maior.<\/li>\n<li><strong>Garantia:<\/strong> excentricidade de fabrica\u00e7\u00e3o pode ser uma reclama\u00e7\u00e3o de garantia em motores novos.<\/li>\n<\/ul>\n<h3>Para problemas de montagem e instala\u00e7\u00e3o<\/h3>\n<ul>\n<li>Verifique o alinhamento das tampas extremas e o torque dos parafusos.<\/li>\n<li>Corrija qualquer <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/soft-foot\/\">soft foot<\/a> condition.<\/li>\n<li>Garanta que a carca\u00e7a n\u00e3o esteja distorcida por tens\u00e3o de montagem.<\/li>\n<li>Verifique se h\u00e1 tens\u00e3o nos tubos ou for\u00e7as no acoplamento puxando o motor de sua posi\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>7. Estrat\u00e9gias de Preven\u00e7\u00e3o<\/h2>\n<h3>Projeto e sele\u00e7\u00e3o<\/h3>\n<ul>\n<li>Especifique toler\u00e2ncias apertadas de entreferro para aplica\u00e7\u00f5es cr\u00edticas.<\/li>\n<li>Escolha motores de qualidade de fabricantes renomados.<\/li>\n<li>Entreferrros maiores reduzem a magnitude do UMP (com algum custo de efici\u00eancia).<\/li>\n<li>Considere projetos com mancais magn\u00e9ticos para aplica\u00e7\u00f5es extremas.<\/li>\n<\/ul>\n<h3>Instala\u00e7\u00e3o<\/h3>\n<ul>\n<li>Alinhe cuidadosamente durante a instala\u00e7\u00e3o.<\/li>\n<li>Elimine o soft foot antes do aperto final dos parafusos.<\/li>\n<li>Verifique a posi\u00e7\u00e3o axial do rotor e a folga.<\/li>\n<li>Garanta que as tampas extremas estejam devidamente alinhadas e com torque adequado.<\/li>\n<\/ul>\n<h3>Manuten\u00e7\u00e3o<\/h3>\n<ul>\n<li>Substitua os rolamentos antes que o desgaste se torne excessivo.<\/li>\n<li>Monitore a tend\u00eancia de vibra\u00e7\u00e3o na frequ\u00eancia 2\u00d7 da rede ao longo do tempo.<\/li>\n<li>Verificar <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/balanceamento\/\">balanceamento<\/a> e alinhamento periodicamente.<\/li>\n<li>Mantenha o motor limpo para evitar obstru\u00e7\u00f5es de resfriamento e a distor\u00e7\u00e3o t\u00e9rmica que elas causam.<\/li>\n<\/ul>\n<h2>8. Considera\u00e7\u00f5es Especiais<\/h2>\n<h3>Motores grandes<\/h3>\n<ul>\n<li>As for\u00e7as de UMP podem ser enormes \u2014 toneladas de for\u00e7a.<\/li>\n<li>A sele\u00e7\u00e3o do rolamento deve levar em conta as cargas de UMP.<\/li>\n<li>Os c\u00e1lculos de deflex\u00e3o do eixo devem incluir o UMP.<\/li>\n<li>O monitoramento do entreferro pode estar integrado a motores grandes e cr\u00edticos.<\/li>\n<\/ul>\n<h3>Motores de alta velocidade<\/h3>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/centrifugal-force\/\">For\u00e7as centr\u00edfugas<\/a> combinam-se com o UMP.<\/li>\n<li>Potencial de instabilidade se o UMP for muito grande.<\/li>\n<li>Toler\u00e2ncias apertadas do entreferro s\u00e3o cr\u00edticas.<\/li>\n<\/ul>\n<h3>Motores verticais<\/h3>\n<ul>\n<li>A gravidade n\u00e3o centraliza o rotor como nos motores horizontais.<\/li>\n<li>O UMP pode puxar o rotor para qualquer lado.<\/li>\n<li>O <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/thrust-bearing\/\">mancal de empuxo<\/a> devem suportar o peso do rotor mais qualquer componente axial do UMP.<\/li>\n<\/ul>\n<h2>9. Rela\u00e7\u00e3o com Outros Problemas do Motor<\/h2>\n<h3>UMP e excentricidade do rotor<\/h3>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/rotor-eccentricity\/\">Excentricidade<\/a> causa UMP.<\/li>\n<li>O UMP pode piorar a excentricidade (realimenta\u00e7\u00e3o positiva).<\/li>\n<li>Ambos geram vibra\u00e7\u00e3o, mas em frequ\u00eancias diferentes (1\u00d7 versus 2\u00d7f).<\/li>\n<\/ul>\n<h3>UMP e falhas no estator<\/h3>\n<ul>\n<li>Ambos produzem vibra\u00e7\u00e3o na frequ\u00eancia 2\u00d7 da rede.<\/li>\n<li>Falhas no estator tamb\u00e9m apresentam desbalanceamento de corrente.<\/li>\n<li>O UMP surge da excentricidade sem desbalanceamento de corrente.<\/li>\n<li>Os dois podem coexistir \u2014 uma falha no estator e excentricidade juntas.<\/li>\n<\/ul>\n<h3>UMP e vida \u00fatil do rolamento<\/h3>\n<ul>\n<li>O UMP adiciona \u00e0s cargas radiais do rolamento.<\/li>\n<li>Ele reduz a vida \u00fatil do rolamento (vida \u221d 1\/carga\u00b3).<\/li>\n<li>Ele produz desgaste assim\u00e9trico do rolamento.<\/li>\n<li>Um rolamento pode falhar prematuramente enquanto o outro permanece aceit\u00e1vel.<\/li>\n<\/ul>\n<h2>10. Aplica\u00e7\u00e3o Pr\u00e1tica em Campo<\/h2>\n<p>O puxamento magn\u00e9tico \u00e9 um acoplamento importante entre os mundos mec\u00e2nico e eletromagn\u00e9tico dentro de um motor. Reconhecer o UMP como fonte de vibra\u00e7\u00e3o na frequ\u00eancia 2\u00d7 da rede, compreender sua liga\u00e7\u00e3o com a excentricidade do entreferro e apreciar sua capacidade de impulsionar falhas progressivas por sobrecarga do rolamento \u00e9 o que permite um diagn\u00f3stico correto. Na pr\u00e1tica, o fluxo de trabalho \u00e9 direto: monitorar a tend\u00eancia do componente 2\u00d7f, executar o teste em vazio para confirmar uma origem eletromagn\u00e9tica e descartar os semelhantes mec\u00e2nicos. Um analisador port\u00e1til de dois canais, como o <a href=\"https:\/\/vibromera.eu\/pt-br\/produto\/balanset-1\/\">Balanset-1A<\/a> captura o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/amplitude\/\">amplitude<\/a> e <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/phase\/\">fase<\/a> dos componentes na velocidade de rota\u00e7\u00e3o e na frequ\u00eancia 2\u00d7 da rede no motor montado na velocidade de opera\u00e7\u00e3o, ajudando o engenheiro a distinguir o UMP genu\u00edno de um desbalanceamento mec\u00e2nico de 1\u00d7 <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/unbalance\/\">desbalanceamento<\/a> que simplesmente precisa <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/balanceamento-de-campo\/\">balanceamento em campo<\/a> \u2014 e assim mirar a falha real em vez de perseguir um sintoma.<\/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 magnetic pull (UMP), unbalanced radial electromagnetic forces in motors from air gap eccentricity, causing vibration at 2X line frequency and rotor deflection.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-160","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/160","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":2,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/160\/revisions"}],"predecessor-version":[{"id":102157,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/160\/revisions\/102157"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/media?parent=160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/categories?post=160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/tags?post=160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}