{"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\/vi\/glossary\/hunting-tooth-frequency\/","title":{"rendered":"T\u1ea7n s\u1ed1 r\u0103ng s\u0103n l\u00e0 g\u00ec? L\u1eb7p l\u1ea1i m\u1eabu r\u0103ng"},"content":{"rendered":"<h1>T\u00ecm hi\u1ec3u t\u1ea7n s\u1ed1 l\u1eb7p l\u1ea1i c\u1eb7p r\u0103ng<\/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\/vi\/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\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng 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=\"B\u1ed9 \u0111\u1ea7y \u0111\u1ee7 m\u00e1y c\u00e2n b\u1eb1ng v\u00e0 ph\u00e2n t\u00edch rung \u0111\u1ed9ng c\u1ea7m tay Balanset-1A\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng 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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/vibration-sensor\/\" title=\"C\u1ea3m bi\u1ebfn rung\">\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=\"C\u1eadn c\u1ea3nh c\u1ea3m bi\u1ebfn rung 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/vibration-sensor\/\" title=\"C\u1ea3m bi\u1ebfn rung\">C\u1ea3m bi\u1ebfn rung<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 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=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\">C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/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=\"B\u1ed9 d\u1ee5ng c\u1ee5 c\u00e2n b\u1eb1ng r\u00f4to Vibromera: h\u1ed9p \u0111\u1ef1ng, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh t\u00edn hi\u1ec7u \u0111a k\u00eanh, m\u00e1y ph\u00e2n t\u00edch c\u1ea7m tay, \u0111\u1ebf t\u1eeb, c\u1ea3m bi\u1ebfn rung v\u00e0 d\u00e2y c\u00e1p xo\u1eafn.\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/magnet-stand\/\" title=\"\u0110\u1ebf t\u1eeb 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=\"\u0110\u1ebf nam ch\u00e2m.\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/magnet-stand\/\" title=\"\u0110\u1ebf t\u1eeb Insize-60-kgf\">\u0110\u1ebf t\u1eeb 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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/reflective-tape\/\" title=\"B\u0103ng ph\u1ea3n quang\">\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=\"B\u0103ng ph\u1ea3n quang\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/reflective-tape\/\" title=\"B\u0103ng ph\u1ea3n quang\">B\u0103ng ph\u1ea3n quang<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/dynamic-balancer-balanset-1a\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \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=\"N\u1ed9i dung b\u1ed9 s\u1ea3n ph\u1ea9m Balanset-1A bao g\u1ed3m thi\u1ebft b\u1ecb giao di\u1ec7n, c\u1ea3m bi\u1ebfn, m\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/product\/dynamic-balancer-balanset-1a\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d OEM\">M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \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\">\u20ac<\/span>1,735.00<\/span> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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>T\u1ea7n s\u1ed1 l\u1eb7p l\u1ea1i c\u1eb7p r\u0103ng<\/strong> (HTF \u2014 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1ea7n s\u1ed1 pha l\u1eafp r\u00e1p (assembly phase frequency) ho\u1eb7c t\u1ea7n s\u1ed1 \u01b0\u1edbc s\u1ed1 chung l\u1edbn nh\u1ea5t) l\u00e0 m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a> th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 th\u1ea5p trong m\u1ed9t c\u1eb7p b\u00e1nh r\u0103ng \u0111\u1ea1i di\u1ec7n cho t\u1ed1c \u0111\u1ed9 m\u00e0 \u1edf \u0111\u00f3 <em>nh\u01b0 nhau<\/em> t\u1eebng r\u0103ng ri\u00eang l\u1ebb tr\u00ean b\u00e1nh r\u0103ng ch\u1ee7 \u0111\u1ed9ng quay tr\u1edf l\u1ea1i ti\u1ebfp x\u00fac v\u1edbi \u0111\u00fang r\u0103ng ri\u00eang l\u1ebb t\u01b0\u01a1ng \u1ee9ng tr\u00ean b\u00e1nh r\u0103ng b\u1ecb \u0111\u1ed9ng. N\u00f3 \u0111\u01b0\u1ee3c chi ph\u1ed1i b\u1edfi b\u1ed9i s\u1ed1 chung nh\u1ecf nh\u1ea5t (LCM) c\u1ee7a s\u1ed1 r\u0103ng c\u1ee7a hai b\u00e1nh r\u0103ng v\u00e0 th\u01b0\u1eddng l\u00e0 m\u1ed9t t\u1ea7n s\u1ed1 r\u1ea5t th\u1ea5p \u2014 th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi t\u1ed1c \u0111\u1ed9 tr\u1ee5c \u2014 xu\u1ea5t hi\u1ec7n nh\u01b0 m\u1ed9t \u0111i\u1ec1u bi\u1ebfn bi\u00ean \u0111\u1ed9 ch\u1eadm, c\u00f3 t\u00ednh chu k\u1ef3 c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/gear-mesh-frequency\/\">t\u1ea7n s\u1ed1 \u0103n kh\u1edbp b\u00e1nh r\u0103ng (GMF)<\/a> v\u00e0 n\u00f3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/sidebands\/\">d\u1ea3i b\u00ean<\/a>.<\/p>\n<p>HTF c\u00f3 \u00fd ngh\u0129a ch\u1ea9n \u0111o\u00e1n v\u00ec vibration mang \u1edf t\u1ed1c \u0111\u1ed9 n\u00e0y ch\u1ec9 ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1edbi <em>c\u00e1c c\u1eb7p r\u0103ng ri\u00eang l\u1ebb c\u1ee5 th\u1ec3<\/em> \u2014 m\u1ed9t r\u0103ng b\u1ecb n\u1ee9t, m\u1ed9t v\u1ebft s\u1ee9t c\u1ee5c b\u1ed9 (spall), ho\u1eb7c l\u1eafp r\u00e1p l\u1ec7ch t\u00e2m \u2014 thay v\u00ec t\u00ecnh tr\u1ea1ng chung c\u1ee7a b\u1ed9 b\u00e1nh r\u0103ng. Nh\u1eadn bi\u1ebft c\u00e1c d\u1ea3i b\u00ean HTF do \u0111\u00f3 gi\u00fap m\u1ed9t nh\u00e0 ph\u00e2n t\u00edch x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c b\u00e1nh r\u0103ng n\u00e0o, v\u00e0 th\u1eadm ch\u00ed l\u00e0 r\u0103ng n\u00e0o, l\u00e0 ngu\u1ed3n g\u1ed1c c\u1ee7a khuy\u1ebft t\u1eadt, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 s\u1eafc b\u00e9n nh\u1ea5t trong b\u1ed9 c\u00f4ng c\u1ee5 r\u1ed9ng h\u01a1n c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/gear-defects\/\">l\u1ed7i b\u00e1nh r\u0103ng<\/a> ch\u1ea9n \u0111o\u00e1n.<\/p>\n<h2>1. \u0110\u1ecbnh Ngh\u0129a v\u00e0 \u00dd Ngh\u0129a V\u1eadt L\u00fd<\/h2>\n<p>Khi hai b\u00e1nh r\u0103ng ch\u1ea1y c\u00f9ng nhau, m\u1ed9t chi\u1ebfc b\u00e1nh nh\u1ecf s\u1ebd kh\u1edbp l\u1ea7n l\u01b0\u1ee3t v\u1edbi t\u1eebng chi\u1ebfc b\u00e1nh l\u1edbn, chi\u1ebfc n\u00e0y r\u1ed3i chi\u1ebfc kh\u00e1c, trong m\u1ed7i v\u00f2ng quay. Li\u1ec7u n\u00f3 c\u00f3 bao gi\u1edd quay tr\u1edf l\u1ea1i chi\u1ebfc b\u00e1nh l\u1edbn \u0111\u1ea7u ti\u00ean m\u00e0 n\u00f3 \u0111\u00e3 ti\u1ebfp x\u00fac \u2014 v\u00e0 bao l\u00e2u th\u00ec quay l\u1ea1i \u2014 t\u1ea5t c\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed1i quan h\u1ec7 s\u1ed1 h\u1ecdc gi\u1eefa hai con s\u1ed1 chi\u1ebfc b\u00e1nh. T\u1ea7n s\u1ed1 hunting tooth \u0111\u01a1n gi\u1ea3n l\u00e0 t\u1ed1c \u0111\u1ed9 m\u00e0 s\u1ef1 quay tr\u1edf l\u1ea1i \u0111\u00f3 di\u1ec5n ra. HTF th\u1ea5p c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t c\u1eb7p chi\u1ebfc b\u00e1nh c\u1ee5 th\u1ec3 g\u1eb7p nhau hi\u1ebfm khi; HTF cao c\u00f3 ngh\u0129a l\u00e0 c\u00f9ng m\u1ed9t v\u00e0i c\u1eb7p g\u1eb7p nhau l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y c\u00f3 hai h\u1ec7 qu\u1ea3 k\u00e9o theo nh\u1eefng h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i. V\u1ec1 m\u1eb7t m\u00e0i m\u00f2n, HTF th\u1ea5p l\u00e0 t\u1ed1t: t\u1ed5n th\u01b0\u01a1ng v\u00e0 l\u1ed7i s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n tr\u00ean to\u00e0n b\u1ed9 chi\u1ebfc b\u00e1nh. V\u1ec1 m\u1eb7t ch\u1ea9n \u0111o\u00e1n, c\u00f9ng m\u1ed9t HTF th\u1ea5p t\u1eadp trung ch\u1eef k\u00fd rung \u0111\u1ed9ng c\u1ee7a m\u1ed9t chi\u1ebfc b\u00e1nh x\u1ea5u v\u00e0o m\u1ed9t s\u1ef1 ki\u1ec7n duy nh\u1ea5t trong m\u1ed9t v\u00f2ng quay m\u00e0 d\u1ec5 d\u00e0ng ph\u00e1t hi\u1ec7n. Hi\u1ec3u bi\u1ebft con s\u1ed1 n\u00e0y cho ph\u00e9p b\u1ea1n \u0111\u1ecdc c\u1ea3 hai c\u00e2u chuy\u1ec7n c\u00f9ng m\u1ed9t l\u00fac.<\/p>\n<h2>2. C\u01a1 s\u1edf To\u00e1n h\u1ecdc<\/h2>\n<h3>C\u00f4ng th\u1ee9c<\/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 = s\u1ed1 chi\u1ebfc b\u00e1nh tr\u00ean b\u00e1nh nh\u1ecf<\/li>\n<li>N\u2082 = s\u1ed1 chi\u1ebfc b\u00e1nh tr\u00ean b\u00e1nh l\u1edbn<\/li>\n<li>GMF = t\u1ea7n s\u1ed1 \u0103n kh\u1edbp b\u00e1nh r\u0103ng = N\u2081 \u00d7 t\u1ed1c \u0111\u1ed9 b\u00e1nh r\u0103ng nh\u1ecf (Hz) = N\u2082 \u00d7 t\u1ed1c \u0111\u1ed9 b\u00e1nh r\u0103ng l\u1edbn (Hz)<\/li>\n<li>LCM = b\u1ed9i s\u1ed1 chung nh\u1ecf nh\u1ea5t c\u1ee7a N\u2081 v\u00e0 N\u2082 (b\u1eb1ng N\u2081 \u00d7 N\u2082 \/ GCD, trong \u0111\u00f3 GCD l\u00e0 \u01b0\u1edbc s\u1ed1 chung l\u1edbn nh\u1ea5t)<\/li>\n<\/ul>\n<p>GMF m\u00e0 HTF \u0111i\u1ec1u ch\u1ebf l\u00e0 ch\u00ednh n\u00f3 N \u00d7 t\u1ed1c \u0111\u1ed9 tr\u1ee5c cho b\u1ea5t k\u1ef3 b\u00e1nh n\u00e0o; a <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/gear-mesh-frequency\/\">C\u00f4ng c\u1ee5 t\u00ednh t\u1ea7n s\u1ed1 \u0103n kh\u1edbp b\u00e1nh r\u0103ng<\/a> t\u00ednh to\u00e1n GMF v\u00e0 gia \u0111\u00ecnh sideband c\u1ee7a n\u00f3 tr\u1ef1c ti\u1ebfp, trong khi a <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/gear-ratio-calculator\/\">m\u00e1y t\u00ednh t\u1ef7 s\u1ed1 truy\u1ec1n \u0111\u1ed9ng<\/a> x\u1eed l\u00fd m\u1ed1i quan h\u1ec7 t\u1ed1c \u0111\u1ed9 \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra m\u00e0 b\u1ea1n c\u1ea7n tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c.<\/p>\n<h3>V\u00ed d\u1ee5 1: m\u1ed9t c\u1eb7p hunting-tooth<\/h3>\n<ul>\n<li><strong>B\u00e1nh r\u0103ng nh\u1ecf:<\/strong> 23 r\u0103ng \u1edf t\u1ed1c \u0111\u1ed9 1800 RPM<\/li>\n<li><strong>B\u00e1nh r\u0103ng l\u1edbn:<\/strong> 67 r\u0103ng<\/li>\n<li><strong>\u01afCLN(23, 67):<\/strong> 1 \u2014 c\u1ea3 hai \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1, n\u00ean ch\u00fang kh\u00f4ng c\u00f3 \u01b0\u1edbc s\u1ed1 chung n\u00e0o; 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 c\u00f9ng m\u1ed9t c\u1eb7p r\u0103ng ch\u1ec9 g\u1eb7p nhau kho\u1ea3ng m\u1ed9t l\u1ea7n m\u1ed7i 2.2 gi\u00e2y, th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi t\u1ed1c \u0111\u1ed9 tr\u1ee5c b\u00e1nh r\u0103ng ch\u1ee7 \u0111\u1ed9ng 30 Hz<\/li>\n<li><strong>Ngh\u0129a:<\/strong> m\u1ed7i chi\u1ebfc b\u00e1nh nh\u1ecf kh\u1edbp v\u1edbi m\u1ed7i chi\u1ebfc b\u00e1nh l\u1edbn tr\u01b0\u1edbc khi m\u00f4 h\u00ecnh l\u1eb7p l\u1ea1i<\/li>\n<li><strong>K\u1ebft qu\u1ea3:<\/strong> m\u1ed9t b\u00e1nh r\u0103ng hunting-tooth th\u1ef1c s\u1ef1 c\u00f3 ph\u00e2n b\u1ed5 m\u00e0i m\u00f2n t\u1ed1i \u01b0u<\/li>\n<\/ul>\n<h3>V\u00ed d\u1ee5 2: m\u1ed9t c\u1eb7p kh\u00f4ng ph\u1ea3i hunting-tooth<\/h3>\n<ul>\n<li><strong>B\u00e1nh r\u0103ng nh\u1ecf:<\/strong> 20 r\u0103ng \u1edf t\u1ed1c \u0111\u1ed9 1800 RPM<\/li>\n<li><strong>B\u00e1nh r\u0103ng l\u1edbn:<\/strong> 60 r\u0103ng<\/li>\n<li><strong>\u01afCLN(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 b\u1eb1ng v\u1edbi t\u1ed1c \u0111\u1ed9 tr\u1ee5c \u0111\u1ea7u ra (b\u00e1nh r\u0103ng b\u1ecb \u0111\u1ed9ng)<\/li>\n<li><strong>Ngh\u0129a:<\/strong> ch\u1ec9 c\u00f3 20 c\u1eb7p r\u0103ng ri\u00eang bi\u1ec7t t\u1ed3n t\u1ea1i, v\u00e0 m\u1ed7i c\u1eb7p t\u00e1i \u0103n kh\u1edbp m\u01b0\u1eddi l\u1ea7n m\u1ed7i gi\u00e2y<\/li>\n<li><strong>K\u1ebft qu\u1ea3:<\/strong> m\u1ed9t m\u00f4 h\u00ecnh m\u00e0i m\u00f2n t\u1eadp trung tr\u00ean c\u00f9ng c\u00e1c chi\u1ebfc b\u00e1nh<\/li>\n<\/ul>\n<h3>V\u00ed d\u1ee5 3: m\u1ed9t tr\u01b0\u1eddng h\u1ee3p trung gian<\/h3>\n<ul>\n<li><strong>B\u00e1nh r\u0103ng nh\u1ecf:<\/strong> 18 r\u0103ng \u1edf t\u1ed1c \u0111\u1ed9 3600 RPM<\/li>\n<li><strong>B\u00e1nh r\u0103ng l\u1edbn:<\/strong> 54 r\u0103ng<\/li>\n<li><strong>\u01afCLN(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>M\u1eabu:<\/strong> ch\u1ec9 c\u00f3 18 c\u1eb7p ti\u1ebfp x\u00fac r\u0103ng ri\u00eang bi\u1ec7t t\u1ed3n t\u1ea1i, m\u1ed7i c\u1eb7p l\u1eb7p l\u1ea1i 20 l\u1ea7n m\u1ed7i gi\u00e2y<\/li>\n<\/ul>\n<h2>3. So s\u00e1nh B\u1ed9 B\u00e1nh R\u0103ng S\u0103n M\u1ed3i vs. Kh\u00f4ng S\u0103n M\u1ed3i<\/h2>\n<h3>Thi\u1ebft k\u1ebf b\u00e1nh r\u0103ng s\u0103n m\u1ed3i (GCD = 1)<\/h3>\n<p>\u0110\u1ea1t \u0111\u01b0\u1ee3c khi s\u1ed1 r\u0103ng t\u01b0\u01a1ng \u0111\u1ed1i nguy\u00ean t\u1ed1 (kh\u00f4ng c\u00f3 \u01b0\u1edbc s\u1ed1 chung):<\/p>\n<ul>\n<li><strong>Thu\u1eadn l\u1ee3i:<\/strong>\n<ul>\n<li>M\u1ed7i r\u0103ng c\u1ee7a b\u00e1nh r\u0103ng nh\u1ecf cu\u1ed1i c\u00f9ng s\u1ebd \u0103n kh\u1edbp v\u1edbi m\u1ecdi r\u0103ng b\u00e1nh r\u0103ng<\/li>\n<li>M\u00e0i m\u00f2n \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n \u0111\u1ec1u tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c chi\u1ebfc b\u00e1nh.<\/li>\n<li>C\u00e1c l\u1ed7i s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c l\u00e0m trung b\u00ecnh h\u00f3a thay v\u00ec \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng.<\/li>\n<li>Tu\u1ed5i th\u1ecd b\u00e1nh r\u0103ng d\u00e0i h\u01a1n.<\/li>\n<li>\u01afa th\u00edch cho h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\n<ul>\n<li>M\u1ed9t khuy\u1ebft t\u1eadt li\u00ean quan \u0111\u1ebfn m\u1ed9t r\u0103ng c\u1ee5 th\u1ec3 <em>c\u1eb7p<\/em> ch\u1ec9 l\u1eb7p l\u1ea1i \u1edf HTF r\u1ea5t th\u1ea5p (m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a t\u1ed1c \u0111\u1ed9 tr\u1ee5c), n\u00ean c\u1ea7n b\u1ea3n ghi th\u1eddi gian d\u00e0i \u0111\u1ec3 ph\u00e2n gi\u1ea3i n\u00f3. M\u1ed9t r\u0103ng h\u01b0 h\u1ecfng \u0111\u01a1n l\u1ebb v\u1eabn g\u00e2y va \u0111\u1eadp m\u1ed9t l\u1ea7n m\u1ed7i v\u00f2ng quay c\u1ee7a ch\u00ednh tr\u1ee5c c\u1ee7a n\u00f3.<\/li>\n<li>C\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi ch\u1ebf t\u1ea1o ch\u00ednh x\u00e1c h\u01a1n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Thi\u1ebft k\u1ebf kh\u00f4ng s\u0103n m\u1ed3i (GCD &gt; 1)<\/h3>\n<p>X\u1ea3y ra khi s\u1ed1 l\u01b0\u1ee3ng chi\u1ebfc b\u00e1nh c\u00f3 c\u00e1c th\u1eeba s\u1ed1 chung:<\/p>\n<ul>\n<li><strong>Thu\u1eadn l\u1ee3i:<\/strong>\n<ul>\n<li>L\u1ef1a ch\u1ecdn s\u1ed1 b\u00e1nh r\u0103ng \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/li>\n<li>C\u00f3 th\u1ec3 cho ph\u00e9p c\u00e1c k\u00edch th\u01b0\u1edbc b\u00e1nh r\u0103ng ti\u00eau chu\u1ea9n, s\u1eb5n c\u00f3 tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\n<ul>\n<li>C\u00f9ng m\u1ed9t c\u1eb7p r\u0103ng l\u1ed3i v\u00e0o nhau l\u1eb7p \u0111i l\u1eb7p l\u1ea1i (ch\u1ec9 t\u1ed3n t\u1ea1i c\u00e1c c\u1eb7p duy nh\u1ea5t GCD).<\/li>\n<li>Hao m\u00f2n t\u1eadp trung v\u00e0o nh\u1eefng c\u1eb7p r\u0103ng gi\u1ed1ng nhau \u0111\u00f3.<\/li>\n<li>Sai s\u00f3t trong s\u1ea3n xu\u1ea5t \u1edf c\u00e1c r\u0103ng c\u1ee5 th\u1ec3 l\u1eb7p l\u1ea1i m\u1ed7i chu k\u1ef3.<\/li>\n<li>Tu\u1ed5i th\u1ecd b\u00e1nh r\u0103ng ng\u1eafn h\u01a1n, th\u01b0\u1eddng l\u00e0 v\u1eady.<\/li>\n<li>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u00e1nh trong thi\u1ebft k\u1ebf h\u1ed9p s\u1ed1 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>4. Ch\u1eef K\u00fd Rung \u0110\u1ed9ng<\/h2>\n<h3>HTF trong ph\u1ed5 v\u00e0 d\u1ea1ng s\u00f3ng<\/h3>\n<p>HTF hi\u1ebfm khi xu\u1ea5t hi\u1ec7n nh\u01b0 m\u1ed9t \u0111\u1ec9nh \u0111\u1ed9c l\u1eadp m\u1ea1nh v\u00e0 th\u01b0\u1eddng qu\u00e1 th\u1ea5p \u0111\u1ec3 c\u00f3 th\u1ec3 ph\u00e2n gi\u1ea3i nh\u01b0 kho\u1ea3ng c\u00e1ch sideband. C\u00e1c sideband quanh t\u1ea7n s\u1ed1 \u0103n kh\u1edbp trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5 rung \u0111\u1ed9ng<\/a> \u0111\u01b0\u1ee3c gi\u00e3n c\u00e1ch theo t\u1ed1c \u0111\u1ed9 tr\u1ee5c c\u1ee7a hai b\u00e1nh r\u0103ng; b\u1ea3n th\u00e2n HTF xu\u1ea5t hi\u1ec7n nh\u01b0 m\u1ed9t \u0111i\u1ec1u bi\u1ebfn bi\u00ean \u0111\u1ed9 ch\u1eadm, c\u00f3 t\u00ednh chu k\u1ef3 (m\u1ed9t nh\u1ecbp beat) c\u1ee7a rung \u0111\u1ed9ng \u0103n kh\u1edbp:<\/p>\n<ul>\n<li><strong>\u0110\u1ec9nh ch\u00ednh:<\/strong> GMF (t\u1ea7n s\u1ed1 l\u1ed3i v\u00e0o nhau c\u1ee7a b\u00e1nh r\u0103ng).<\/li>\n<li><strong>D\u1ea3i b\u00ean:<\/strong> GMF \u00b1 1\u00d7, 2\u00d7, 3\u00d7 t\u1ed1c \u0111\u1ed9 tr\u1ee5c c\u1ee7a b\u00e1nh r\u0103ng mang l\u1ed7i c\u1ee5c b\u1ed9.<\/li>\n<li><strong>D\u1ea5u hi\u1ec7u HTF:<\/strong> m\u1ed9t nh\u1ecbp beat ch\u1eadm trong d\u1ea1ng s\u00f3ng th\u1eddi gian \u2014 m\u1ee9c rung t\u1ed5ng th\u1ec3 t\u0103ng l\u00ean r\u1ed3i gi\u1ea3m xu\u1ed1ng theo nh\u1ecbp HTF (th\u01b0\u1eddng t\u1eeb m\u1ed9t ph\u1ea7n c\u1ee7a hertz \u0111\u1ebfn v\u00e0i hertz).<\/li>\n<li><strong>Gi\u1ea3i th\u00edch:<\/strong> \u0111i\u1ec1u ch\u1ebf l\u1eb7p l\u1ea1i t\u1ea1i HTF cho th\u1ea5y l\u1ed7i li\u00ean quan \u0111\u1ebfn m\u1ed9t r\u0103ng c\u1ee5 th\u1ec3 <em>c\u1eb7p<\/em>, ch\u1eb3ng h\u1ea1n m\u1ed9t r\u0103ng b\u00e1nh r\u0103ng nh\u1ecf b\u1ecb h\u01b0 \u0111\u1ecbnh k\u1ef3 va v\u00e0o m\u1ed9t r\u0103ng b\u00e1nh r\u0103ng b\u1ecb h\u01b0; \u0111\u1ed9 s\u00e2u \u0111i\u1ec1u ch\u1ebf ph\u1ea3n \u00e1nh m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a khuy\u1ebft t\u1eadt c\u1ee5c b\u1ed9.<\/li>\n<\/ul>\n<p>B\u1edfi v\u00ec c\u00e1c d\u1ea3i bi\u00ean n\u00e0y t\u1eadp trung xung quanh m\u1ed9t t\u1ea7n s\u1ed1 l\u1ed3i v\u00e0o nhau cao v\u00e0 c\u00f3 th\u1ec3 d\u00e0y \u0111\u1eb7c, hai k\u1ef9 thu\u1eadt gi\u00fap ph\u01a1i b\u00e0y ch\u00fang. <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/cepstrum\/\">Ph\u00e2n t\u00edch Cepstrum<\/a> thu g\u1ecdn m\u1ed9t h\u1ecd d\u1ea3i bi\u00ean x\u1ebfp \u0111\u1ec1u th\u00e0nh m\u1ed9t d\u00f2ng quefrency duy nh\u1ea5t, gi\u00fap d\u1ec5 d\u00e0ng \u0111\u1ecdc kho\u1ea3ng c\u00e1ch, v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/envelope-analysis\/\">ph\u00e2n t\u00edch \u0111\u01b0\u1eddng bao<\/a> kh\u00f4i ph\u1ee5c t\u00e1c \u0111\u1ed9ng m\u1ed9t l\u1ea7n m\u1ed7i v\u00f2ng quay c\u1ee7a m\u1ed9t r\u0103ng b\u1ecb h\u1ecfng t\u1eeb t\u00edn hi\u1ec7u l\u1ed3i v\u00e0o nhau \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf.<\/p>\n<h3>M\u1eabu ch\u1ea9n \u0111o\u00e1n<\/h3>\n<p><strong>M\u1ed9t b\u00e1nh r\u0103ng b\u1ecb h\u01b0 h\u1ecfng:<\/strong> c\u00e1c d\u1ea3i bi\u00ean m\u1ea1nh quanh GMF, c\u00e1ch nhau theo t\u1ed1c \u0111\u1ed9 tr\u1ee5c c\u1ee7a b\u00e1nh r\u0103ng mang r\u0103ng b\u1ecb h\u01b0; m\u1ed9t xung va m\u1ed7i v\u00f2ng quay c\u1ee7a b\u00e1nh r\u0103ng \u0111\u00f3; <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/time-waveform\/\">d\u1ea1ng s\u00f3ng th\u1eddi gian<\/a> hi\u1ec3n th\u1ecb xung tu\u1ea7n ho\u00e0n r\u00f5 r\u00e0ng.<\/p>\n<p><strong>\u0110\u1ed9 l\u1ec7ch t\u00e2m c\u1ee7a b\u00e1nh r\u0103ng:<\/strong> c\u00e1c d\u1ea3i bi\u00ean theo t\u1ed1c \u0111\u1ed9 tr\u1ee5c ph\u00e1t sinh do \u0111\u1ed9 \u0111\u1ea3o ho\u1eb7c l\u1eafp l\u1ec7ch t\u00e2m; \u0111\u1ed9 \u0103n kh\u1edbp r\u0103ng thay \u0111\u1ed5i m\u1ed9t l\u1ea7n m\u1ed7i v\u00f2ng quay, l\u00e0m \u0111i\u1ec1u ch\u1ebf bi\u00ean \u0111\u1ed9 GMF; th\u01b0\u1eddng c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1ch l\u1eafp l\u1ea1i ho\u1eb7c b\u00f9 \u0111\u1ed9 \u0111\u1ea3o (xem <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/eccentricity\/\">s\u1ef1 l\u1eadp d\u1ecb<\/a>).<\/p>\n<p><strong>H\u01b0 h\u1ecfng tr\u00ean c\u1ea3 hai b\u00e1nh r\u0103ng (l\u1ed7i c\u1eb7p r\u0103ng):<\/strong> khi m\u1ed9t r\u0103ng b\u00e1nh r\u0103ng nh\u1ecf b\u1ecb h\u01b0 \u0111\u1ecbnh k\u1ef3 g\u1eb7p m\u1ed9t r\u0103ng b\u00e1nh r\u0103ng b\u1ecb h\u01b0, rung \u0111\u1ed9ng t\u0103ng r\u1ed3i gi\u1ea3m theo HTF th\u1ea5p \u2014 m\u1ed9t nh\u1ecbp \u0111\u1eadp ch\u1eadm ch\u1ed3ng l\u00ean rung \u0111\u1ed9ng \u0103n kh\u1edbp; c\u00f3 th\u1ec3 c\u1ea7n thay b\u00e1nh r\u0103ng, ho\u1eb7c ch\u1ea5p nh\u1eadn n\u1ebfu v\u1eabn n\u1eb1m trong dung sai.<\/p>\n<h2>5. Ch\u1ea9n \u0110o\u00e1n Th\u1ef1c T\u1ebf<\/h2>\n<h3>X\u00e1c \u0111\u1ecbnh b\u00e1nh r\u0103ng b\u1ecb l\u1ed7i<\/h3>\n<p>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00e0nh vi\u00ean n\u00e0o \u2014 b\u00ecnh tinh ho\u1eb7c b\u00e1nh r\u0103ng ch\u00ednh \u2014 mang khi\u1ebfm khuy\u1ebft:<\/p>\n<ol>\n<li><strong>T\u00ednh to\u00e1n c\u1ea3 hai t\u1ed1c \u0111\u1ed9 tr\u1ee5c:<\/strong> t\u1ed1c \u0111\u1ed9 quay v\u00e0o v\u00e0 ra ngo\u00e0i.<\/li>\n<li><strong>\u0110o kho\u1ea3ng c\u00e1ch d\u1ea3i b\u00ean<\/strong> t\u1eeb ph\u1ed5 rung \u0111\u1ed9ng.<\/li>\n<li><strong>N\u1ebfu kho\u1ea3ng c\u00e1ch = t\u1ea7n s\u1ed1 tr\u1ee5c \u0111\u1ea7u v\u00e0o \u2192<\/strong> khi\u1ebfm khuy\u1ebft \u1edf tr\u00ean b\u00ecnh tinh.<\/li>\n<li><strong>N\u1ebfu kho\u1ea3ng c\u00e1ch = t\u1ea7n s\u1ed1 tr\u1ee5c \u0111\u1ea7u ra \u2192<\/strong> khi\u1ebfm khuy\u1ebft \u1edf tr\u00ean b\u00e1nh r\u0103ng.<\/li>\n<li><strong>Ph\u1ea7n k\u1ebft lu\u1eadn:<\/strong> Kho\u1ea3ng c\u00e1ch d\u1ea3i bi\u00ean x\u00e1c \u0111\u1ecbnh tr\u1ee5c n\u00e0o \u2014 v\u00e0 do \u0111\u00f3 b\u00e1nh r\u0103ng n\u00e0o \u2014 l\u00e0 v\u1ea5n \u0111\u1ec1.<\/li>\n<\/ol>\n<p>\u0110\u00e2y l\u00e0 lo\u1ea1i ph\u00e9p \u0111o m\u00e0 m\u1ed9t b\u1ed9 ph\u00e2n t\u00edch hai k\u00eanh c\u1ea7m tay ph\u00f9 h\u1ee3p. V\u1edbi m\u00e1y t\u00ednh t\u1ed1c \u0111\u1ed9 quay quang h\u1ecdc c\u1ee7a n\u00f3 kh\u00f3a d\u1eef li\u1ec7u v\u00e0o g\u00f3c tr\u1ee5c, the <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> ghi l\u1ea1i ph\u1ed5 t\u1ea7n s\u1ed1 v\u00e0 d\u1ea1ng s\u00f3ng th\u1eddi gian t\u1ea1i v\u1ecf h\u1ed9p s\u1ed1 \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111o kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c d\u1ea3i b\u00ean so v\u1edbi c\u00e1c t\u1ed1c \u0111\u1ed9 \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra \u0111\u00e3 bi\u1ebft, v\u00e0 xung l\u1eb7p \u0111i l\u1eb7p l\u1ea1i m\u1ed9t l\u1ea7n m\u1ed7i v\u00f2ng quay c\u1ee7a m\u1ed9t r\u0103ng n\u1ee9t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn trong d\u1ea1ng s\u00f3ng \u2014 t\u1ea5t c\u1ea3 tr\u00ean m\u00e1y \u0111ang ch\u1ea1y, m\u00e0 kh\u00f4ng c\u1ea7n m\u1edf v\u1ecf. A <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/harmonic-frequency-calculator\/\">m\u00e1y t\u00ednh t\u1ea7n s\u1ed1 h\u00e0i<\/a> sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i RPM \u0111\u01b0\u1ee3c \u0111o th\u00e0nh c\u00e1c gi\u00e1 tr\u1ecb Hz ch\u00ednh x\u00e1c \u0111\u1ec3 t\u00ecm ki\u1ebfm.<\/p>\n<h3>\u0110\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng<\/h3>\n<ul>\n<li><strong>Bi\u00ean \u0111\u1ed9 d\u1ea3i h\u1ea1:<\/strong> bi\u00ean \u0111\u1ed9 cao h\u01a1n b\u00e1o hi\u1ec7u m\u1ed9t khi\u1ebfm khuy\u1ebft t\u1eadp trung nghi\u00eam tr\u1ecdng h\u01a1n.<\/li>\n<li><strong>S\u1ed1 l\u01b0\u1ee3ng d\u1ea3i b\u00ean:<\/strong> Nhi\u1ec1u d\u1ea3i b\u00ean h\u01a1n (c\u1ea5p cao h\u01a1n) ch\u1ec9 ra t\u00ecnh tr\u1ea1ng t\u1ec7 h\u01a1n<\/li>\n<li><strong>D\u1ea1ng s\u00f3ng th\u1eddi gian:<\/strong> xung tu\u1ea7n ho\u00e0n r\u00f5 r\u00e0ng x\u00e1c nh\u1eadn t\u00e1c \u0111\u1ed9ng t\u1eebng \u0111i\u1ec3m.<\/li>\n<li><strong>So s\u00e1nh v\u1edbi GMF:<\/strong> c\u00e1c d\u1ea3i b\u00ean tr\u00ean ~25% c\u1ee7a bi\u00ean \u0111\u1ed9 GMF ch\u1ec9 ra m\u1ed9t l\u1ed7i \u0111\u00e1ng k\u1ec3 \u2014 m\u1ed9t ch\u1ec9 b\u00e1o h\u1eefu \u00edch <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/defect-severity\/\">m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a l\u1ed7i<\/a> ng\u01b0\u1ee1ng.<\/li>\n<\/ul>\n<h2>6. C\u00e1c c\u00e2n nh\u1eafc v\u1ec1 thi\u1ebft k\u1ebf<\/h2>\n<h3>L\u1ef1a ch\u1ecdn s\u1ed1 l\u01b0\u1ee3ng r\u0103ng<\/h3>\n<ul>\n<li><strong>S\u1eed d\u1ee5ng c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1<\/strong> khi c\u00f3 th\u1ec3 \u0111\u1ec3 bu\u1ed9c GCD = 1 (thi\u1ebft k\u1ebf r\u0103ng s\u0103n).<\/li>\n<li><strong>Tr\u00e1nh c\u00e1c th\u1eeba s\u1ed1 chung<\/strong> \u2014 tr\u00e1nh xa nh\u1eefng gh\u00e9p n\u1ed1i nh\u01b0 20:60 (GCD = 20).<\/li>\n<li><strong>C\u00e1c c\u1eb7p v\u00ed d\u1ee5 t\u1ed1t:<\/strong> 17:51, 19:57, 23:69 (t\u1ea5t c\u1ea3 GCD = 1).<\/li>\n<li><strong>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i:<\/strong> r\u00e0ng bu\u1ed9c n\u00e0y c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf h\u01a1i m\u1ed9t ch\u00fat c\u00e1c t\u1ef7 s\u1ed1 truy\u1ec1n \u0111\u1ed9ng s\u1eb5n c\u00f3.<\/li>\n<\/ul>\n<h3>Khi kh\u00f4ng s\u0103n l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c<\/h3>\n<ul>\n<li>C\u00e1c \u1ee9ng d\u1ee5ng t\u1ea3i th\u1ea5p trong \u0111\u00f3 m\u00e0i m\u00f2n kh\u00f4ng quan tr\u1ecdng.<\/li>\n<li>C\u00e1c b\u1ed9 s\u1ed1 ti\u00eau chu\u1ea9n trong \u0111\u00f3 t\u1ef7 s\u1ed1 ch\u00ednh x\u00e1c l\u00e0 b\u1eaft bu\u1ed9c.<\/li>\n<li>\u1ee8ng d\u1ee5ng tu\u1ed5i th\u1ecd ng\u1eafn, n\u01a1i ph\u00e2n b\u1ed1 m\u00e0i m\u00f2n \u00edt quan tr\u1ecdng h\u01a1n.<\/li>\n<li>N\u01a1i nh\u1eefng \u01b0u \u0111i\u1ec3m s\u1ea3n xu\u1ea5t v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi h\u00ecnh ph\u1ea1t m\u00e0i m\u00f2n.<\/li>\n<\/ul>\n<h2>7. M\u1ed1i quan h\u1ec7 v\u1edbi c\u00e1c t\u1ea7n s\u1ed1 s\u1ed1 kh\u00e1c<\/h2>\n<h3>H\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p t\u1ea7n s\u1ed1 trong h\u1ed9p s\u1ed1<\/h3>\n<ul>\n<li><strong>T\u1ed1c \u0111\u1ed9 tr\u1ee5c:<\/strong> 1\u00d7 cho \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra \u2014 c\u00e1c t\u1ea7n s\u1ed1 quay th\u1ea5p nh\u1ea5t.<\/li>\n<li><strong>HTF:<\/strong> th\u01b0\u1eddng l\u00e0 t\u1ea7n s\u1ed1 th\u1ea5p nh\u1ea5t trong t\u1ea5t c\u1ea3 \u2014 m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a t\u1ed1c \u0111\u1ed9 tr\u1ee5c trong thi\u1ebft k\u1ebf hunting (GCD = 1), v\u00e0 ngay c\u1ea3 trong thi\u1ebft k\u1ebf kh\u00f4ng hunting c\u0169ng kh\u00f4ng bao gi\u1edd cao h\u01a1n t\u1ed1c \u0111\u1ed9 tr\u1ee5c ch\u1eadm h\u01a1n.<\/li>\n<li><strong>GMF:<\/strong> s\u1ed1 l\u01b0\u1ee3ng r\u0103ng \u00d7 t\u1ed1c \u0111\u1ed9 tr\u1ee5c \u2014 t\u1ea7n s\u1ed1 ch\u00ednh cao nh\u1ea5t.<\/li>\n<li><strong>C\u00e1c s\u00f3ng h\u00e0i GMF:<\/strong> 2\u00d7GMF, 3\u00d7GMF v\u00e0 nh\u01b0 v\u1eady, ph\u00e1t sinh t\u1eeb c\u00e1c phi tuy\u1ebfn t\u00ednh l\u01b0\u1edbi v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/backlash\/\">\u0111\u1ed9 r\u01a1 kh\u1edbp r\u0103ng<\/a>.<\/li>\n<\/ul>\n<h3>Chi\u1ebfn l\u01b0\u1ee3c ph\u00e2n t\u00edch d\u1ea3i h\u1ea1<\/h3>\n<ul>\n<li>D\u1ea3i h\u1ea1 c\u00e1ch \u0111\u1ec1u t\u1ea7n s\u1ed1 tr\u1ee5c \u2192 b\u00e1nh r\u0103ng l\u1ec7ch t\u00e2m ho\u1eb7c khi\u1ebfm khuy\u1ebft t\u1eebng \u0111i\u1ec3m.<\/li>\n<li>\u0110i\u1ec1u ch\u1ebf bi\u00ean \u0111\u1ed9 ch\u1eadm (nh\u1ecbp \u0111\u1eadp) theo t\u1ed1c \u0111\u1ed9 HTF \u2192 v\u1ea5n \u0111\u1ec1 c\u1eb7p r\u0103ng l\u1eb7p l\u1ea1i, ch\u1eb3ng h\u1ea1n h\u01b0 h\u1ecfng t\u01b0\u01a1ng \u1ee9ng tr\u00ean c\u1ea3 hai b\u00e1nh r\u0103ng.<\/li>\n<li>Kh\u00f4ng c\u00f3 d\u1ea3i h\u1ea1 r\u00f5 r\u00e0ng \u2192 ph\u00e2n b\u1ed1 chung <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/gear-wear\/\">m\u00f2n b\u00e1nh r\u0103ng<\/a>, ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 b\u00e1nh r\u0103ng kh\u1ecfe m\u1ea1nh.<\/li>\n<\/ul>\n<p>T\u1ea7n s\u1ed1 r\u0103ng s\u0103n, m\u1eb7c d\u00f9 l\u00e0 m\u1ed9t g\u00f3c c\u1ea1nh tinh t\u1ebf c\u1ee7a \u0111\u1ed9ng l\u1ef1c h\u1ecdc s\u1ed1, cung c\u1ea5p th\u00f4ng tin ch\u1ea9n \u0111o\u00e1n m\u1ea1nh m\u1ebd. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch t\u00ednh to\u00e1n HTF v\u00e0 nh\u1eadn bi\u1ebft c\u00e1c d\u1ea3i b\u00ean HTF cho ph\u00e9p m\u1ed9t nh\u00e0 ph\u00e2n t\u00edch x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c s\u1ed1 b\u00e1nh c\u00f3 l\u1ed7i v\u00e0 li\u1ec7u v\u1ea5n \u0111\u1ec1 l\u00e0 m\u1ed9t chi\u1ebfc r\u0103ng b\u1ecb h\u1ecfng hay m\u1ed9t \u0111i\u1ec1u ki\u1ec7n ph\u00e2n t\u00e1n h\u01a1n \u2014 h\u01b0\u1edbng d\u1eabn quy\u1ebft \u0111\u1ecbnh b\u1ea3o tr\u00ec c\u00f3 m\u1ee5c ti\u00eau, t\u1ef1 tin trong x\u1eed l\u00fd s\u1ef1 c\u1ed1 h\u1ed9p s\u1ed1.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/\">\u2190 Quay l\u1ea1i M\u1ee5c l\u1ee5c ch\u00ednh<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u v\u1ec1 t\u1ea7n s\u1ed1 r\u0103ng s\u0103n, th\u00e0nh ph\u1ea7n rung \u0111\u1ed9ng t\u1ea7n s\u1ed1 th\u1ea5p trong b\u00e1nh r\u0103ng, n\u01a1i c\u00e1c r\u0103ng gi\u1ed1ng nhau li\u00ean t\u1ee5c \u0103n kh\u1edbp, \u0111\u1ec3 l\u1ed9 c\u00e1c khuy\u1ebft t\u1eadt v\u00e0 \u0111\u1ed9 l\u1ec7ch t\u00e2m c\u1ee7a t\u1eebng r\u0103ng.<\/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\/vi\/wp-json\/wp\/v2\/glossary\/139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/139\/revisions"}],"predecessor-version":[{"id":102037,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/139\/revisions\/102037"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}