{"id":20630,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/backlash\/"},"modified":"2026-05-23T22:44:56","modified_gmt":"2026-05-23T22:44:56","slug":"backlash","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/backlash\/","title":{"rendered":"O que \u00e9 folga? Folga e jogo de engrenagens"},"content":{"rendered":"<h1>Entendendo a folga em engrenagens e acoplamentos<\/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\/20630?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\/20630?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\/20630?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\/20630?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\/20630?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\/20630?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\/20630?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\/20630?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\/20630?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\/20630?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\/20630?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\/20630?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\/20630?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\/20630?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>Folga<\/strong> (tamb\u00e9m designado por folga ou jogo) \u00e9 a folga ou espa\u00e7o entre componentes de acoplamento em transmiss\u00f5es mec\u00e2nicas \u2014 mais frequentemente a folga tangencial entre os dentes de engrenagens em engrenamento, quando uma engrenagem \u00e9 mantida im\u00f3vel e a engrenagem de acoplamento \u00e9 oscilada para a frente e para tr\u00e1s. Trata-se da quantidade de &#8220;movimento perdido&#8221; ou folga livre no sistema: a dist\u00e2ncia que a engrenagem motriz pode rodar antes de engatar na engrenagem conduzida na dire\u00e7\u00e3o oposta. Uma pequena quantidade deliberada de folga \u00e9 essencial para o bom funcionamento <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/gear-defects\/\">funcionamento da engrenagem<\/a>, mas quando se desgasta, torna-se uma fonte de cargas de impacto, ru\u00eddo, erros de posicionamento e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a>.<\/p>\n<h2>1. Defini\u00e7\u00e3o: O que \u00e9 o backlash?<\/h2>\n<p>Num par de engrenagens, a folga \u00e9 definida, com maior precis\u00e3o, como a dist\u00e2ncia medida ao longo da linha de a\u00e7\u00e3o \u2014 ou, de forma equivalente, a folga tangencial na linha de passo \u2014 que permite que um dente se desloque ligeiramente dentro do espa\u00e7o do dente correspondente antes de se estabelecer contacto. Se mantivermos uma engrenagem fixa e movimentarmos a outra, o \u00e2ngulo que esta percorre livremente antes de os flancos se tocarem \u00e9 uma express\u00e3o direta da folga existente.<\/p>\n<p>Esta ideia n\u00e3o se limita apenas \u00e0s engrenagens. Acoplamentos, ranhuras, parafusos de avan\u00e7o, transmiss\u00f5es de cremalheira e pinh\u00e3o e qualquer liga\u00e7\u00e3o dentada ou com chaveta apresentam alguma folga. O ponto crucial \u00e9 que <strong>alguma folga \u00e9 necess\u00e1ria e intencional<\/strong>: permite a forma\u00e7\u00e3o de uma pel\u00edcula lubrificante, acomoda a expans\u00e3o t\u00e9rmica dos dentes, compensa as toler\u00e2ncias de fabrico e impede que os dentes se encravem sob carga. A folga s\u00f3 se torna um defeito quando ultrapassa o valor previsto no projeto \u2014 altura em que se comporta como uma forma localizada de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/looseness\/\">folga mec\u00e2nica<\/a> no interior do conjunto de engrenagens.<\/p>\n<h2>2. Finalidade e valores t\u00edpicos<\/h2>\n<h3>Por que a folga \u00e9 incorporada no projeto<\/h3>\n<ul>\n<li><strong>Espa\u00e7o de lubrifica\u00e7\u00e3o:<\/strong> permite a forma\u00e7\u00e3o de uma pel\u00edcula de \u00f3leo entre os flancos dos dentes sob carga e os flancos dos dentes sem carga.<\/li>\n<li><strong>Expans\u00e3o t\u00e9rmica:<\/strong> permite o alongamento dos dentes \u00e0 medida que a caixa de velocidades atinge a temperatura de funcionamento.<\/li>\n<li><strong>Toler\u00e2ncias de fabrico:<\/strong> permite que um par se encaixe, apesar de pequenas varia\u00e7\u00f5es na espessura e no espa\u00e7amento dos dentes.<\/li>\n<li><strong>Evita o encravamento:<\/strong> garante que os dentes nunca fiquem encravados sob carga ou devido \u00e0 dilata\u00e7\u00e3o t\u00e9rmica, o que provocaria um aumento repentino do atrito e do calor.<\/li>\n<\/ul>\n<h3>Valores t\u00edpicos de folga<\/h3>\n<ul>\n<li><strong>Engrenagens de precis\u00e3o:<\/strong> 0,05\u20130,15 mm (0,002\u20130,006 pol.).<\/li>\n<li><strong>Engrenagens industriais:<\/strong> 0,2\u20130,8 mm (0,008\u20130,030 pol.).<\/li>\n<li><strong>M\u00e1quinas pesadas:<\/strong> 1,0\u20133,0 mm (0,040\u20130,120 pol.).<\/li>\n<li><strong>Regra pr\u00e1tica:<\/strong> aproximadamente 0,04\u20130,08 % da dist\u00e2ncia entre eixos, no caso de engrenagens industriais de uso geral.<\/li>\n<\/ul>\n<p>Estes s\u00e3o pontos de partida, n\u00e3o valores absolutos \u2014 o valor correto depende do m\u00f3dulo, da classe de precis\u00e3o, do material e da aplica\u00e7\u00e3o. Ao projetar ou verificar um novo par, vale a pena comparar a geometria dos dentes com um padr\u00e3o de precis\u00e3o; um <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/spur-gear-calculator\/\">calculadora de engrenagens retas<\/a> e o correspondente <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/gear-accuracy-class\/\">classe de precis\u00e3o da engrenagem<\/a> Esta ferramenta facilita a rela\u00e7\u00e3o entre a dist\u00e2ncia entre eixos e a toler\u00e2ncia com uma faixa de folga adequada.<\/p>\n<h2>3. M\u00e9todos de medi\u00e7\u00e3o<\/h2>\n<h3>Medi\u00e7\u00e3o direta<\/h3>\n<ul>\n<li><strong>M\u00e9todo do calibrador de folga:<\/strong> Insira calibres de folga entre os dentes na linha de passo para medir diretamente a folga.<\/li>\n<li><strong>M\u00e9todo do indicador de quadrante:<\/strong> bloqueie uma engrenagem, balance a outra para a frente e para tr\u00e1s e me\u00e7a o curso livre no raio primitivo.<\/li>\n<li><strong>Medi\u00e7\u00e3o por coordenadas:<\/strong> medir com precis\u00e3o ambas as engrenagens e calcular a folga te\u00f3rica a partir da espessura dos dentes e da dist\u00e2ncia entre eixos.<\/li>\n<li><strong>Medidor de folga:<\/strong> ferramentas concebidas especificamente para controlos de produ\u00e7\u00e3o ou inspe\u00e7\u00f5es no terreno.<\/li>\n<\/ul>\n<h3>Avalia\u00e7\u00e3o Operacional<\/h3>\n<ul>\n<li>Preste aten\u00e7\u00e3o a ru\u00eddos de chocalho ou batidas, que indicam folga excessiva.<\/li>\n<li>Observe o movimento do eixo quando a carga for invertida \u2014 uma oscila\u00e7\u00e3o vis\u00edvel indica folga.<\/li>\n<li>Medir o erro de posicionamento em sistemas servo ou de indexa\u00e7\u00e3o.<\/li>\n<li>Utiliza\u00e7\u00e3o <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration-analysis\/\">an\u00e1lise de vibra\u00e7\u00e3o<\/a> para revelar os padr\u00f5es relacionados com o impacto que o excesso de folga produz.<\/li>\n<\/ul>\n<h2>4. Problemas causados por folga excessiva<\/h2>\n<h3>Carga de impacto e vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li>Quando a carga inverte a dire\u00e7\u00e3o, os dentes separam-se e voltam a encaixar-se com for\u00e7a.<\/li>\n<li>Isto provoca cargas de choque e vibra\u00e7\u00f5es impulsivas sempre que o contacto \u00e9 restabelecido.<\/li>\n<li>O impacto ocorre \u00e0 velocidade de invers\u00e3o da carga, n\u00e3o necessariamente \u00e0 velocidade do eixo.<\/li>\n<li>Os impactos repetidos aceleram a deteriora\u00e7\u00e3o dos dentes <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/fatigue\/\">fadiga<\/a> e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/gear-wear\/\">desgaste<\/a>.<\/li>\n<li>O resultado \u00e9 um ru\u00eddo caracter\u00edstico de batidas ou estrondos.<\/li>\n<\/ul>\n<h3>Erros de posicionamento<\/h3>\n<ul>\n<li>Nos sistemas servo e nos equipamentos de posicionamento, a folga cria uma &#8220;zona morta&#8221; em torno de cada invers\u00e3o.<\/li>\n<li>O eixo de sa\u00edda n\u00e3o responde a pequenas varia\u00e7\u00f5es na entrada at\u00e9 que a folga seja eliminada.<\/li>\n<li>O erro de posicionamento \u00e9 igual \u00e0 folga.<\/li>\n<li>Isto \u00e9 fundamental para m\u00e1quinas-ferramentas CNC, rob\u00f3tica e instrumentos de precis\u00e3o.<\/li>\n<\/ul>\n<h3>Ru\u00eddo e rigidez reduzida<\/h3>\n<ul>\n<li><strong>Ru\u00eddo:<\/strong> o ru\u00eddo causado pelo impacto dos dentes durante as flutua\u00e7\u00f5es de carga, especialmente problem\u00e1tico em acionamentos com carga vari\u00e1vel, e que se agrava \u00e0 medida que o desgaste aumenta a folga.<\/li>\n<li><strong>Rigidez reduzida do sistema:<\/strong> A folga introduz flexibilidade na transmiss\u00e3o, reduzindo a rigidez efetiva <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/torsional-vibration\/\">de tor\u00e7\u00e3o<\/a> rigidez, prejudicando o desempenho do circuito de controlo e, em sistemas de retroalimenta\u00e7\u00e3o, pode at\u00e9 causar instabilidade de ciclo-limite.<\/li>\n<\/ul>\n<h2>5. Causas da folga excessiva<\/h2>\n<h3>Desgaste normal<\/h3>\n<ul>\n<li>O desgaste dos flancos dos dentes resulta do contacto deslizante inerente ao engate das engrenagens.<\/li>\n<li>A folga aumenta gradualmente com o passar dos anos de servi\u00e7o.<\/li>\n<li>Este \u00e9 o modo de desgaste esperado em todas as transmiss\u00f5es por engrenagens.<\/li>\n<li>A taxa depende da carga, da qualidade da lubrifica\u00e7\u00e3o e da limpeza do \u00f3leo.<\/li>\n<\/ul>\n<h3>Desgaste acelerado<\/h3>\n<ul>\n<li><strong>Contamina\u00e7\u00e3o por abrasivos:<\/strong> As part\u00edculas duras atuam como um composto de lapida\u00e7\u00e3o, esmerilando os flancos.<\/li>\n<li><strong>Lubrifica\u00e7\u00e3o inadequada:<\/strong> O contacto entre superf\u00edcies met\u00e1licas acelera o desgaste.<\/li>\n<li><strong>Sobrecarga:<\/strong> Cargas excessivas nos dentes aceleram a perda de material da superf\u00edcie.<\/li>\n<li><strong>Desalinhamento:<\/strong> carregamento lateral a partir de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/misalignment\/\">desalinhamento do eixo<\/a> concentra o desgaste numa das extremidades dos dentes.<\/li>\n<\/ul>\n<h3>Erros de projeto ou instala\u00e7\u00e3o<\/h3>\n<ul>\n<li>Especifica\u00e7\u00e3o incorreta da dist\u00e2ncia entre eixos.<\/li>\n<li>Combina\u00e7\u00e3o incorreta de engrenagens com perfis dentados incompat\u00edveis.<\/li>\n<li>A expans\u00e3o t\u00e9rmica n\u00e3o foi devidamente tida em conta.<\/li>\n<li>As toler\u00e2ncias de fabrico est\u00e3o definidas de forma demasiado generosa.<\/li>\n<\/ul>\n<h2>6. Diagn\u00f3stico da folga por meio da an\u00e1lise de vibra\u00e7\u00f5es<\/h2>\n<h3>Assinatura de Vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li><strong>Impacto:<\/strong> impulsos bruscos no <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/time-waveform\/\">forma de onda temporal<\/a> a cada invers\u00e3o de carga.<\/li>\n<li><strong>Harm\u00f3nicos m\u00faltiplos:<\/strong> a carga de impacto excita uma vasta fam\u00edlia de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/harmonics\/\">harm\u00f3nicos<\/a> em vez de um \u00fanico som limpo.<\/li>\n<li><strong>Dependente da carga:<\/strong> A vibra\u00e7\u00e3o aumenta e diminui com a carga de bin\u00e1rio.<\/li>\n<li><strong>Componente independente da velocidade:<\/strong> A frequ\u00eancia de impacto acompanha o ciclo de varia\u00e7\u00e3o da carga, e n\u00e3o a velocidade do eixo.<\/li>\n<\/ul>\n<h3>Distinguir a folga de outras avarias<\/h3>\n<ul>\n<li><strong>vs. desgaste geral das engrenagens:<\/strong> A folga provoca impactos, enquanto o desgaste uniforme eleva um n\u00edvel suave, mas elevado <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/gear-mesh-frequency\/\">frequ\u00eancia de engrenamento (GMF)<\/a> com bandas laterais.<\/li>\n<li><strong>vs. quebra dos dentes:<\/strong> Um dente partido produz um impacto por cada volta, enquanto a folga produz v\u00e1rios impactos por ciclo de carga.<\/li>\n<li><strong>vs. soltura:<\/strong> a folga \u00e9 interna \u00e0s engrenagens; <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/looseness\/\">folga<\/a> acumula-se nos rolamentos, caixas ou suportes.<\/li>\n<\/ul>\n<p>Uma vez que os sinais reveladores de folga, desgaste da engrenagem e jogo mec\u00e2nico se sobrep\u00f5em, um analisador que capte tanto o espetro como a forma de onda temporal com fase \u00e9 de valor inestim\u00e1vel. No terreno, um instrumento port\u00e1til de dois canais, como o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> permite que um t\u00e9cnico registe a forma de onda temporal na caixa de rolamentos da caixa de velocidades, detete as invers\u00f5es impulsivas que revelam folga excessiva e descarte ou confirme a exist\u00eancia de desequil\u00edbrio antes de abrir a caixa de velocidades. Identificar o ponto de engate e as suas bandas laterais \u00e9 ainda mais r\u00e1pido com um dispositivo dedicado <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/gear-mesh-frequency\/\">calculadora da frequ\u00eancia de engrenamento<\/a>.<\/p>\n<h2>7. Corre\u00e7\u00e3o e gest\u00e3o<\/h2>\n<h3>M\u00e9todos de ajuste<\/h3>\n<ul>\n<li><strong>Redu\u00e7\u00e3o da dist\u00e2ncia entre eixos:<\/strong> aproxime ligeiramente as engrenagens, sempre que a montagem o permitir.<\/li>\n<li><strong>Ajuste com cal\u00e7os:<\/strong> utilize cal\u00e7os para reposicionar as engrenagens de modo a obter o encaixe correto.<\/li>\n<li><strong>Engrenagens sem folga:<\/strong> engrenagens divididas com mola que eliminam continuamente a folga.<\/li>\n<li><strong>Pr\u00e9-carregamento:<\/strong> aplicar uma pequena carga para manter os flancos dos dentes em contacto constante (ver <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/preload\/\">pr\u00e9-carga do rolamento<\/a> (para o princ\u00edpio an\u00e1logo nos rolamentos).<\/li>\n<\/ul>\n<h3>Substitui\u00e7\u00e3o<\/h3>\n<ul>\n<li>Substitua as engrenagens gastas assim que a folga exceder as especifica\u00e7\u00f5es.<\/li>\n<li>Substitua as duas engrenagens emparelhadas em conjunto, uma vez que se desgastam como um conjunto.<\/li>\n<li>Considere a utiliza\u00e7\u00e3o de materiais melhorados ou revestimentos de superf\u00edcie para uma maior resist\u00eancia ao desgaste.<\/li>\n<\/ul>\n<h3>Acomoda\u00e7\u00f5es operacionais<\/h3>\n<ul>\n<li>Evite invers\u00f5es frequentes de carga, sempre que o processo o permitir.<\/li>\n<li>Controle a velocidade de aplica\u00e7\u00e3o da carga para atenuar o impacto.<\/li>\n<li>Aceite alguma folga como algo normal \u2014 n\u00e3o aperte demasiado o engrenamento, pois isso pode causar gripagem e sobreaquecimento.<\/li>\n<li>Nos sistemas servo, compense a zona morta no software de controlo.<\/li>\n<\/ul>\n<p>A folga \u00e9 uma caracter\u00edstica inerente \u00e0s transmiss\u00f5es por engrenagens que s\u00f3 se torna um problema quando se torna excessiva. Compreender as especifica\u00e7\u00f5es corretas, as t\u00e9cnicas de medi\u00e7\u00e3o adequadas e os sintomas de vibra\u00e7\u00e3o associados a uma folga excessiva permite-lhe fazer a manuten\u00e7\u00e3o eficaz das caixas de engrenagens, programar as substitui\u00e7\u00f5es de forma sensata e garantir uma manuten\u00e7\u00e3o disciplinada <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/troubleshooting\/\">resolu\u00e7\u00e3o de problemas<\/a> e <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/condition-monitoring\/\">monitoriza\u00e7\u00e3o de condi\u00e7\u00f5es<\/a> relativamente aos problemas recorrentes de ru\u00eddo e vibra\u00e7\u00e3o das m\u00e1quinas com 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 folga, o espa\u00e7o entre os dentes das engrenagens que permite a expans\u00e3o t\u00e9rmica e a lubrifica\u00e7\u00e3o, mas que, quando excessiva, pode causar ru\u00eddo, vibra\u00e7\u00e3o e erros de posicionamento.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-20630","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/20630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/20630\/revisions"}],"predecessor-version":[{"id":101352,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/20630\/revisions\/101352"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=20630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=20630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=20630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}