{"id":139,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/hunting-tooth-frequency\/"},"modified":"2026-07-02T18:32:53","modified_gmt":"2026-07-02T18:32:53","slug":"hunting-tooth-frequency","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/hunting-tooth-frequency\/","title":{"rendered":"O que \u00e9 a frequ\u00eancia de dentes de ca\u00e7a? Repeti\u00e7\u00e3o do padr\u00e3o de engrenagem"},"content":{"rendered":"<h1>Compreender a frequ\u00eancia do dente ca\u00e7ador<\/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\/139?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\/139?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\/139?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\/139?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\/139?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\/139?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\/139?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\/139?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\/139?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\/139?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\/139?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\/139?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\/139?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\/139?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>Frequ\u00eancia do dente ca\u00e7ador<\/strong> (HTF \u2014 tamb\u00e9m designada frequ\u00eancia da fase de montagem ou frequ\u00eancia do m\u00e1ximo divisor comum) \u00e9 uma <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> componente de baixa frequ\u00eancia num par de engrenagens que representa a taxa \u00e0 qual o <em>mesmo<\/em> dente individual do pinh\u00e3o volta a entrar em contacto com o mesmo dente individual da engrenagem. \u00c9 regido pelo m\u00ednimo m\u00faltiplo comum (MMC) das duas contagens de dentes e \u00e9 normalmente uma frequ\u00eancia muito baixa \u2014 muito abaixo da velocidade do veio \u2014 que aparece como uma modula\u00e7\u00e3o lenta e peri\u00f3dica da amplitude da <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/gear-mesh-frequency\/\">frequ\u00eancia de engrenamento (GMF)<\/a> e seu <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/sidebands\/\">faixas laterais<\/a>.<\/p>\n<p>A HTF tem relev\u00e2ncia diagn\u00f3stica porque a vibra\u00e7\u00e3o a esta frequ\u00eancia aponta para problemas com <em>dentes individuais espec\u00edficos<\/em> \u2014 um dente fissurado, uma lascagem localizada ou uma montagem exc\u00eantrica \u2014 e n\u00e3o para a condi\u00e7\u00e3o geral do conjunto de engrenagens. Reconhecer as bandas laterais da HTF permite, por isso, ao analista identificar com precis\u00e3o qual a engrenagem, e mesmo qual o dente, que \u00e9 a origem da avaria, tornando-a um dos instrumentos mais precisos do conjunto mais amplo de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/gear-defects\/\">gear defect<\/a> diagnosis.<\/p>\n<h2>1. Defini\u00e7\u00e3o e significado f\u00edsico<\/h2>\n<p>Quando duas engrenagens funcionam em conjunto, um determinado dente do pinh\u00e3o engrana com uma sucess\u00e3o de dentes da roda dentada, um ap\u00f3s outro, revolu\u00e7\u00e3o ap\u00f3s revolu\u00e7\u00e3o. Se alguma vez regressa ao primeiro dente da roda dentada com que contactou \u2014 e com que rapidez \u2014 depende da rela\u00e7\u00e3o aritm\u00e9tica entre os dois n\u00fameros de dentes. A frequ\u00eancia do dente de ca\u00e7a \u00e9 simplesmente a taxa desse regresso. Uma HTF baixa significa que um determinado par de dentes se encontra raramente; uma HTF elevada significa que o mesmo conjunto reduzido de pares se encontra repetidamente.<\/p>\n<p>Isto tem duas consequ\u00eancias que puxam em dire\u00e7\u00f5es opostas. Em termos de desgaste, uma HTF baixa \u00e9 favor\u00e1vel: os danos e os erros de fabrico distribuem-se por todos os dentes. Em termos diagn\u00f3sticos, a mesma HTF baixa concentra a assinatura de vibra\u00e7\u00e3o de um \u00fanico dente defeituoso num evento limpo de uma ocorr\u00eancia por revolu\u00e7\u00e3o, f\u00e1cil de identificar. Compreender o n\u00famero permite ler ambas as hist\u00f3rias em simult\u00e2neo.<\/p>\n<h2>2. Bases Matem\u00e1ticas<\/h2>\n<h3>The formula<\/h3>\n<blockquote><p>HTF = GMF \/ LCM(N\u2081, N\u2082) = GMF \u00d7 GCD(N\u2081, N\u2082) \/ (N\u2081 \u00d7 N\u2082)<\/p><\/blockquote>\n<ul>\n<li>N\u2081 = n\u00famero de dentes do pinh\u00e3o<\/li>\n<li>N\u2082 = n\u00famero de dentes da roda dentada<\/li>\n<li>GMF = gear mesh frequency = N\u2081 \u00d7 pinion speed (Hz) = N\u2082 \u00d7 gear speed (Hz)<\/li>\n<li>LCM = the least common multiple of N\u2081 and N\u2082 (equal to N\u2081 \u00d7 N\u2082 \/ GCD, where GCD is the greatest common divisor)<\/li>\n<\/ul>\n<p>A GMF que a HTF modula \u00e9 ela pr\u00f3pria N \u00d7 velocidade do veio para qualquer das engrenagens; um <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/gear-mesh-frequency\/\">calculadora da frequ\u00eancia de engrenamento<\/a> calcula a GMF e a sua fam\u00edlia de bandas laterais diretamente, enquanto um <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/gear-ratio-calculator\/\">calculadora de rela\u00e7\u00e3o de transmiss\u00e3o<\/a> trata a rela\u00e7\u00e3o de velocidade entrada\/sa\u00edda necess\u00e1ria antes de aplicar a f\u00f3rmula.<\/p>\n<h3>Exemplo 1: um par de dentes de ca\u00e7a<\/h3>\n<ul>\n<li><strong>Pinh\u00e3o:<\/strong> 23 dentes a 1800 RPM<\/li>\n<li><strong>Engrenagem:<\/strong> 67 dentes<\/li>\n<li><strong>MDC(23, 67):<\/strong> 1 \u2014 both are prime, so they share no common factor; LCM(23, 67) = 23 \u00d7 67 = 1541<\/li>\n<li><strong>GMF:<\/strong> 23 \u00d7 (1800 \/ 60) = 690 Hz<\/li>\n<li><strong>HTF = 690 \/ 1541 \u2248 0.45 Hz<\/strong> \u2014 o mesmo par de dentes encontra-se apenas cerca de uma vez a cada 2.2 segundos, muito abaixo dos 30 Hz de velocidade do veio do pinh\u00e3o<\/li>\n<li><strong>Significado:<\/strong> cada dente do pinh\u00e3o encaixa com cada dente da roda dentada antes de o padr\u00e3o se repetir<\/li>\n<li><strong>Resultado:<\/strong> uma engrenagem de dentes ca\u00e7adores com distribui\u00e7\u00e3o \u00f3ptima do desgaste<\/li>\n<\/ul>\n<h3>Exemplo 2: um par n\u00e3o-ca\u00e7ador<\/h3>\n<ul>\n<li><strong>Pinh\u00e3o:<\/strong> 20 dentes a 1800 RPM<\/li>\n<li><strong>Engrenagem:<\/strong> 60 dentes<\/li>\n<li><strong>MDC(20, 60):<\/strong> 20; LCM(20, 60) = 60<\/li>\n<li><strong>GMF:<\/strong> 20 \u00d7 (1800 \/ 60) = 600 Hz<\/li>\n<li><strong>HTF = 600 \/ 60 = 10 Hz<\/strong> \u2014 igual \u00e0 velocidade do veio de sa\u00edda (engrenagem)<\/li>\n<li><strong>Significado:<\/strong> existem apenas 20 pares distintos de dentes, e cada par volta a engrenar dez vezes por segundo<\/li>\n<li><strong>Resultado:<\/strong> um padr\u00e3o de desgaste concentrado nos mesmos dentes<\/li>\n<\/ul>\n<h3>Exemplo 3: um caso interm\u00e9dio<\/h3>\n<ul>\n<li><strong>Pinh\u00e3o:<\/strong> 18 dentes a 3600 RPM<\/li>\n<li><strong>Engrenagem:<\/strong> 54 dentes<\/li>\n<li><strong>MDC(18, 54):<\/strong> 18; LCM(18, 54) = 54<\/li>\n<li><strong>GMF:<\/strong> 18 \u00d7 (3600 \/ 60) = 1080 Hz<\/li>\n<li><strong>HTF = 1080 \/ 54 = 20 Hz<\/strong><\/li>\n<li><strong>Padr\u00e3o:<\/strong> existem apenas 18 pares distintos de contacto entre dentes, cada um repetindo-se 20 vezes por segundo<\/li>\n<\/ul>\n<h2>3. Engrenagens de Ca\u00e7a vs. Engrenagens N\u00e3o-Ca\u00e7antes<\/h2>\n<h3>Projecto com dente ca\u00e7ante (MDC = 1)<\/h3>\n<p>Obtido quando os n\u00fameros dos dentes s\u00e3o relativamente primos (sem fatores comuns):<\/p>\n<ul>\n<li><strong>Vantagens:<\/strong>\n<ul>\n<li>Cada dente do pinh\u00e3o acaba por se encaixar em todos os dentes da engrenagem.<\/li>\n<li>O desgaste \u00e9 distribu\u00eddo uniformemente por todos os dentes.<\/li>\n<li>Os erros de fabrica\u00e7\u00e3o s\u00e3o compensados em vez de se acumularem.<\/li>\n<li>Maior durabilidade das engrenagens.<\/li>\n<li>Preferido para a maioria das aplica\u00e7\u00f5es.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Desvantagens:<\/strong>\n<ul>\n<li>Um defeito que envolva um dente espec\u00edfico <em>par<\/em> repete-se apenas na HTF muito baixa (uma pequena fra\u00e7\u00e3o da velocidade do veio), pelo que s\u00e3o necess\u00e1rios registos longos no tempo para o resolver. Um \u00fanico dente danificado continua a impactar uma vez por revolu\u00e7\u00e3o do seu pr\u00f3prio veio.<\/li>\n<li>Pode exigir uma fabrica\u00e7\u00e3o mais precisa.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Projecto n\u00e3o-ca\u00e7ante (MDC &gt; 1)<\/h3>\n<p>Ocorre quando os n\u00fameros de dentes partilham factores comuns:<\/p>\n<ul>\n<li><strong>Vantagens:<\/strong>\n<ul>\n<li>Selec\u00e7\u00e3o mais simples do n\u00famero de dentes.<\/li>\n<li>Pode permitir o uso de tamanhos de engrenagens normalizados, dispon\u00edveis em stock.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Desvantagens:<\/strong>\n<ul>\n<li>Os mesmos dentes engrenam repetidamente (existem apenas MDC pares \u00fanicos).<\/li>\n<li>O desgaste concentra-se nesses mesmos pares de dentes.<\/li>\n<li>Os erros de fabrica\u00e7\u00e3o em dentes espec\u00edficos repetem-se em cada ciclo.<\/li>\n<li>Menor durabilidade das engrenagens, em geral.<\/li>\n<li>Geralmente evitado no projecto de caixas de velocidades de qualidade.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>4. Assinatura de Vibra\u00e7\u00e3o<\/h2>\n<h3>HTF no espectro e na forma de onda<\/h3>\n<p>A HTF raramente aparece como um pico aut\u00f3nomo forte e normalmente \u00e9 demasiado baixa para ser resolvida como espa\u00e7amento entre bandas laterais. As bandas laterais em torno da frequ\u00eancia de engrenamento na <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spectrum\/\">espetro de vibra\u00e7\u00e3o<\/a> est\u00e3o espa\u00e7adas pelas velocidades dos veios das duas engrenagens; a pr\u00f3pria HTF surge como uma modula\u00e7\u00e3o lenta e peri\u00f3dica da amplitude (um batimento) da vibra\u00e7\u00e3o de engrenamento:<\/p>\n<ul>\n<li><strong>Pico central:<\/strong> GMF (a frequ\u00eancia de engrenamento).<\/li>\n<li><strong>Faixas laterais:<\/strong> GMF \u00b1 1\u00d7, 2\u00d7, 3\u00d7 a velocidade do veio da engrenagem que apresenta um defeito localizado.<\/li>\n<li><strong>HTF signature:<\/strong> um batimento lento na forma de onda temporal \u2014 o n\u00edvel global de vibra\u00e7\u00e3o aumenta e diminui \u00e0 taxa HTF (normalmente uma fra\u00e7\u00e3o de hertz at\u00e9 alguns hertz).<\/li>\n<li><strong>Interpreta\u00e7\u00e3o:<\/strong> modula\u00e7\u00e3o que se repete \u00e0 HTF aponta para uma falha que envolve um dente espec\u00edfico <em>par<\/em>, como um dente danificado do pinh\u00e3o a atingir periodicamente um dente danificado da engrenagem; a profundidade de modula\u00e7\u00e3o reflete a gravidade do defeito localizado.<\/li>\n<\/ul>\n<p>Como estas bandas laterais se agrupam em torno de uma frequ\u00eancia de engrenamento elevada e podem ser densas, duas t\u00e9cnicas ajudam a identific\u00e1-las. <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/cepstrum\/\">An\u00e1lise de Cepstrum<\/a> colapsa uma fam\u00edlia de bandas laterais regularmente espa\u00e7adas numa \u00fanica linha de quefr\u00eancia, facilitando a leitura do espa\u00e7amento, e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/envelope-analysis\/\">an\u00e1lise de envelope<\/a> recupera o impacto uma vez por revolu\u00e7\u00e3o de um dente danificado a partir do sinal de malha modulado.<\/p>\n<h3>Padr\u00f5es de diagn\u00f3stico<\/h3>\n<p><strong>Dente danificado individual:<\/strong> bandas laterais fortes em torno da GMF espa\u00e7adas pela velocidade do veio da engrenagem que transporta o dente danificado; um impacto por revolu\u00e7\u00e3o dessa engrenagem; a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/time-waveform\/\">forma de onda temporal<\/a> apresenta um impulso peri\u00f3dico bem definido.<\/p>\n<p><strong>Excentricidade da engrenagem:<\/strong> bandas laterais \u00e0 velocidade do veio resultantes de batimento ou montagem exc\u00eantrica; a profundidade de engrenamento dos dentes varia uma vez por revolu\u00e7\u00e3o, modulando em amplitude a GMF; normalmente corrig\u00edvel por remontagem ou compensa\u00e7\u00e3o de batimento (ver <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/eccentricity\/\">excentricidade<\/a>).<\/p>\n<p><strong>Danos em ambas as engrenagens (falha do par de dentes):<\/strong> quando um dente danificado do pinh\u00e3o encontra periodicamente um dente danificado da engrenagem, a vibra\u00e7\u00e3o aumenta e diminui \u00e0 baixa taxa HTF \u2014 um batimento lento sobreposto \u00e0 vibra\u00e7\u00e3o de engrenamento; pode exigir substitui\u00e7\u00e3o das engrenagens, ou aceita\u00e7\u00e3o se estiver dentro da toler\u00e2ncia.<\/p>\n<h2>5. Diagn\u00f3stico Pr\u00e1tico<\/h2>\n<h3>Identifica\u00e7\u00e3o da engrenagem defeituosa<\/h3>\n<p>Para determinar qual o elemento \u2014 pinh\u00e3o ou roda dentada principal \u2014 que tem o defeito:<\/p>\n<ol>\n<li><strong>Calcule as velocidades de ambos os eixos:<\/strong> as RPM de entrada e de sa\u00edda.<\/li>\n<li><strong>Me\u00e7a o espa\u00e7amento entre bandas laterais<\/strong> a partir do espectro de vibra\u00e7\u00e3o.<\/li>\n<li><strong>Se o espa\u00e7amento = frequ\u00eancia do eixo de entrada \u2192<\/strong> o defeito est\u00e1 no pinh\u00e3o.<\/li>\n<li><strong>Se o espa\u00e7amento = frequ\u00eancia do eixo de sa\u00edda \u2192<\/strong> o defeito est\u00e1 na roda dentada.<\/li>\n<li><strong>Conclus\u00e3o:<\/strong> o espa\u00e7amento das bandas laterais identifica qual o veio \u2014 e, portanto, qual a engrenagem \u2014 que \u00e9 o problema.<\/li>\n<\/ol>\n<p>\u00c9 precisamente para este tipo de medi\u00e7\u00e3o que um analisador port\u00e1til de dois canais \u00e9 adequado. Com o seu tac\u00f3metro \u00f3ptico a sincronizar os dados com o \u00e2ngulo do veio, o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> captura o espectro e a forma de onda temporal na carca\u00e7a da caixa de engrenagens para que o espa\u00e7amento das bandas laterais possa ser medido em rela\u00e7\u00e3o \u00e0s velocidades de entrada e sa\u00edda conhecidas, e o impulso uma vez por revolu\u00e7\u00e3o de um dente fissurado possa ser confirmado na forma de onda \u2014 tudo na m\u00e1quina em funcionamento, sem abrir a carca\u00e7a. Um <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/harmonic-frequency-calculator\/\">calculadora de frequ\u00eancias harm\u00f3nicas<\/a> converte ent\u00e3o as RPM medidas nos valores exactos em Hz a procurar.<\/p>\n<h3>Avalia\u00e7\u00e3o da severidade<\/h3>\n<ul>\n<li><strong>Amplitude das bandas laterais:<\/strong> amplitudes mais elevadas indicam um defeito localizado mais grave.<\/li>\n<li><strong>N\u00famero de bandas laterais:<\/strong> Mais bandas laterais (ordens superiores) indicam pior condi\u00e7\u00e3o.<\/li>\n<li><strong>Forma de onda temporal:<\/strong> um impulso peri\u00f3dico bem definido confirma o impacto num dente individual.<\/li>\n<li><strong>Compara\u00e7\u00e3o com GMF:<\/strong> bandas laterais acima de ~25% da amplitude da GMF indicam um defeito significativo \u2014 um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/defect-severity\/\">defect-severity<\/a> threshold.<\/li>\n<\/ul>\n<h2>6. Considera\u00e7\u00f5es de Projeto<\/h2>\n<h3>Sele\u00e7\u00e3o do n\u00famero de dentes<\/h3>\n<ul>\n<li><strong>Utilize n\u00fameros primos<\/strong> sempre que poss\u00edvel, para for\u00e7ar MDC = 1 (concep\u00e7\u00e3o de dente ca\u00e7ador).<\/li>\n<li><strong>Evitar factores comuns<\/strong> \u2014 evitar combina\u00e7\u00f5es como 20:60 (MDC = 20).<\/li>\n<li><strong>Bons exemplos de pares:<\/strong> 17:51, 19:57, 23:69 (todos com MDC = 1).<\/li>\n<li><strong>Compromisso:<\/strong> a restri\u00e7\u00e3o pode limitar ligeiramente as rela\u00e7\u00f5es de transmiss\u00e3o dispon\u00edveis.<\/li>\n<\/ul>\n<h3>Quando a denti\u00e7\u00e3o n\u00e3o-ca\u00e7adora \u00e9 aceit\u00e1vel<\/h3>\n<ul>\n<li>Aplica\u00e7\u00f5es de baixa carga em que o desgaste n\u00e3o \u00e9 cr\u00edtico.<\/li>\n<li>Conjuntos de engrenagens padr\u00e3o em que \u00e9 obrigat\u00f3ria uma rela\u00e7\u00e3o de transmiss\u00e3o exacta.<\/li>\n<li>Aplica\u00e7\u00f5es de vida curta, onde a distribui\u00e7\u00e3o do desgaste \u00e9 menos relevante.<\/li>\n<li>Quando as vantagens de fabrico superam a penaliza\u00e7\u00e3o por desgaste.<\/li>\n<\/ul>\n<h2>7. Rela\u00e7\u00e3o com Outras Frequ\u00eancias de Engrenagem<\/h2>\n<h3>A hierarquia de frequ\u00eancias numa caixa de engrenagens<\/h3>\n<ul>\n<li><strong>Velocidades dos eixos:<\/strong> 1\u00d7 para entrada e sa\u00edda \u2014 as frequ\u00eancias de rota\u00e7\u00e3o mais baixas.<\/li>\n<li><strong>HTF:<\/strong> normalmente a frequ\u00eancia mais baixa de todas \u2014 uma pequena fra\u00e7\u00e3o da velocidade do veio num desenho de hunting (GCD = 1), e nunca superior \u00e0 velocidade do veio mais lento mesmo num desenho sem hunting.<\/li>\n<li><strong>GMF:<\/strong> n\u00famero de dentes \u00d7 velocidade do veio \u2014 a frequ\u00eancia prim\u00e1ria mais elevada.<\/li>\n<li><strong>GMF harmonics:<\/strong> 2\u00d7GMF, 3\u00d7GMF e assim por diante, resultantes de n\u00e3o-linearidades de engrenamento e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/backlash\/\">folga entre dentes<\/a>.<\/li>\n<\/ul>\n<h3>Estrat\u00e9gia de an\u00e1lise de bandas laterais<\/h3>\n<ul>\n<li>Bandas laterais com espa\u00e7amento \u00e0 velocidade do veio \u2192 engrenagem exc\u00eantrica ou defeito num dente individual.<\/li>\n<li>Modula\u00e7\u00e3o lenta da amplitude (batimento) \u00e0 taxa HTF \u2192 um problema repetido num par de dentes, como danos correspondentes em ambas as engrenagens.<\/li>\n<li>Sem bandas laterais definidas \u2192 desgaste distribu\u00eddo geral <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/gear-wear\/\">desgaste da engrenagem<\/a>, ou simplesmente uma engrenagem em bom estado.<\/li>\n<\/ul>\n<p>A frequ\u00eancia do dente ca\u00e7ador, embora seja um aspecto subtil da din\u00e2mica de engrenagens, fornece informa\u00e7\u00e3o de diagn\u00f3stico de grande utilidade. Compreender o c\u00e1lculo da HTF e reconhecer as bandas laterais da HTF permite ao analista identificar com precis\u00e3o qual a engrenagem com defeito e se o problema \u00e9 num \u00fanico dente danificado ou numa condi\u00e7\u00e3o mais distribu\u00edda \u2014 orientando decis\u00f5es de manuten\u00e7\u00e3o dirigidas e fundamentadas na resolu\u00e7\u00e3o de problemas em caixas de engrenagens.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/\">\u2190 Voltar ao \u00edndice principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Aprenda sobre a frequ\u00eancia de oscila\u00e7\u00e3o dos dentes, o componente de vibra\u00e7\u00e3o de baixa frequ\u00eancia em engrenagens onde os mesmos dentes se engrenam repetidamente, revelando defeitos e excentricidades individuais dos dentes.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-139","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/139\/revisions"}],"predecessor-version":[{"id":102037,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/139\/revisions\/102037"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}