{"id":230,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/self-excited-vibration\/"},"modified":"2026-05-23T22:39:08","modified_gmt":"2026-05-23T22:39:08","slug":"self-excited-vibration","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/self-excited-vibration\/","title":{"rendered":"Rung \u0111\u1ed9ng t\u1ef1 k\u00edch th\u00edch l\u00e0 g\u00ec? \u2013 Ph\u1ea3n \u1ee9ng c\u1ee7a h\u1ec7 th\u1ed1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 rung \u0111\u1ed9ng t\u1ef1 k\u00edch th\u00edch<\/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\/230?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\/230?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\/230?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\/230?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\/230?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\/230?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\/230?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\/230?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\/230?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\/230?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\/230?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\/230?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\/230?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\/230?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>rung \u0111\u1ed9ng t\u1ef1 k\u00edch th\u00edch<\/strong> \u2014 c\u00f2n g\u1ecdi l\u00e0 rung \u0111\u1ed9ng t\u1ef1 t\u1ea1o ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh \u2014 l\u00e0 m\u1ed9t l\u1edbp chuy\u1ec3n \u0111\u1ed9ng \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m m\u00e0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng t\u1ea1o ra ch\u00ednh nh\u1eefng l\u1ef1c duy tr\u00ec ho\u1eb7c khu\u1ebfch \u0111\u1ea1i chuy\u1ec3n \u0111\u1ed9ng \u0111\u00f3. K\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t v\u00f2ng ph\u1ea3n h\u1ed3i k\u00edn: rung \u0111\u1ed9ng t\u1ea1o ra l\u1ef1c ch\u1ee7 \u0111\u1ed9ng c\u1ee7a n\u00f3, do \u0111\u00f3 bi\u00ean \u0111\u1ed9 c\u00f3 th\u1ec3 t\u0103ng, \u0111\u00f4i khi \u0111\u1ebfn m\u1ee9c th\u1ea3m h\u1ecda, m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 s\u1ef1 gia t\u0103ng n\u00e0o \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 k\u00edch th\u00edch b\u00ean ngo\u00e0i n\u00e0o. \u0110\u00e2y l\u00e0 c\u01a1 ch\u1ebf \u0111\u1eb1ng sau m\u1ed9t s\u1ed1 trong nh\u1eefng s\u1ef1 b\u1ea5t \u1ed5n \u0111\u1ecbnh b\u1ecb s\u1ee3 nh\u1ea5t trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor-dynamics\/\">\u0111\u1ed9ng l\u1ef1c h\u1ecdc r\u00f4to<\/a>, v\u00e0 nh\u1eadn bi\u1ebft n\u00f3 m\u1ed9t c\u00e1ch nhanh ch\u00f3ng l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng ch\u1ea9n \u0111o\u00e1n c\u01a1 b\u1ea3n.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y ho\u00e0n to\u00e0n kh\u00e1c v\u1edbi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/forced-vibration\/\">rung c\u01b0\u1ee1ng b\u1ee9c<\/a> ch\u1eb3ng h\u1ea1n nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a> ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/misalignment\/\">s\u1ef1 kh\u00f4ng th\u1eb3ng h\u00e0ng<\/a>, trong \u0111\u00f3 rung \u0111\u1ed9ng l\u00e0 ph\u1ea3n \u1ee9ng tr\u1ef1c ti\u1ebfp, t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi m\u1ed9t \u0111\u1ea7u v\u00e0o \u0111\u1ecbnh k\u1ef3 c\u1ee5 th\u1ec3 \u1edf t\u1ea7n s\u1ed1 k\u00edch th\u00edch \u0111\u00e3 bi\u1ebft. T\u0103ng g\u1ea5p \u0111\u00f4i \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng v\u00e0 b\u1ea1n s\u1ebd t\u0103ng g\u1ea5p \u0111\u00f4i ph\u1ea3n \u1ee9ng; lo\u1ea1i b\u1ecf l\u1ef1c k\u00edch th\u00edch v\u00e0 rung \u0111\u1ed9ng s\u1ebd d\u1eebng l\u1ea1i. Trong m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ef1 k\u00edch th\u00edch, kh\u00f4ng c\u00f3 \u0111\u1ed3ng h\u1ed3 b\u00ean ngo\u00e0i nh\u01b0 v\u1eady \u2014 chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 nu\u00f4i d\u01b0\u1ee1ng ch\u00ednh n\u00f3, v\u00e0 n\u0103ng l\u01b0\u1ee3ng ch\u1ee7 \u0111\u1ed9ng l\u00e0 t\u1eeb m\u1ed9t ngu\u1ed3n \u1ed5n \u0111\u1ecbnh nh\u01b0 quay, d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng ho\u1eb7c m\u1ed9t qu\u00e1 tr\u00ecnh c\u1eaft.<\/p>\n<h2>1. C\u01a1 ch\u1ebf V\u00f2ng ph\u1ea3n h\u1ed3i<\/h2>\n<p>C\u01a1 ch\u1ebf c\u1ee7a m\u1ed9t vibration t\u1ef1 k\u00edch th\u00edch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 nh\u01b0 m\u1ed9t chu\u1ed7i c\u00e1c b\u01b0\u1edbc:<\/p>\n<ol>\n<li>M\u1ed9t h\u1ec7 th\u1ed1ng \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t rotor quay trong v\u00f2m bi c\u1ee7a n\u00f3 \u2014 \u0111ang \u1edf tr\u1ea1ng th\u00e1i chuy\u1ec3n \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/li>\n<li>M\u1ed9t s\u1ef1 nhi\u1ec5u lo\u1ea1n nh\u1ecf, ng\u1eabu nhi\u00ean t\u1ea1o ra m\u1ed9t s\u1ef1 d\u1ecbch chuy\u1ec3n nh\u1eb9 ho\u1eb7c thay \u0111\u1ed5i v\u1eadn t\u1ed1c.<\/li>\n<li>S\u1ef1 thay \u0111\u1ed5i chuy\u1ec3n \u0111\u1ed9ng \u0111\u00f3 l\u00e0m thay \u0111\u1ed5i c\u00e1c l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean h\u1ec7 th\u1ed1ng \u2014 v\u00ed d\u1ee5 nh\u01b0 \u00e1p su\u1ea5t ch\u1ea5t l\u1ecfng trong m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/journal-bearing\/\">\u1ed5 tr\u1ee5c<\/a> ho\u1eb7c l\u1ef1c c\u1eaft tr\u00ean m\u1ed9t c\u00f4ng c\u1ee5.<\/li>\n<li>M\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng l\u00e0 l\u1ef1c thay \u0111\u1ed5i t\u00e1c d\u1ee5ng sao cho <em>b\u1ed5 sung n\u0103ng l\u01b0\u1ee3ng<\/em> l\u00ean h\u1ec7 th\u1ed1ng, \u0111\u1ea9y th\u00e0nh ph\u1ea7n ti\u1ebfp t\u1ee5c theo h\u01b0\u1edbng n\u00f3 \u0111\u00e3 \u0111ang chuy\u1ec3n \u0111\u1ed9ng.<\/li>\n<li>Chuy\u1ec3n \u0111\u1ed9ng t\u0103ng l\u00ean sinh ra m\u1ed9t l\u1ef1c th\u1eadm ch\u00ed c\u00f2n l\u1edbn h\u01a1n, l\u1ef1c n\u00e0y l\u1ea1i cung c\u1ea5p th\u00eam n\u0103ng l\u01b0\u1ee3ng \u2014 v\u00e0 chu k\u1ef3 l\u1eb7p l\u1ea1i.<\/li>\n<\/ol>\n<p>V\u00f2ng l\u1eb7p n\u00e0y \u0111\u1ea9y bi\u00ean \u0111\u1ed9 t\u0103ng l\u00ean cho \u0111\u1ebfn khi n\u00f3 b\u1ecb ki\u1ec3m so\u00e1t b\u1edfi c\u00e1c phi tuy\u1ebfn t\u00ednh trong h\u1ec7 th\u1ed1ng (rotor va ch\u1ea1m v\u00e0o b\u1ed9 d\u1eebng c\u1ee9ng, m\u1ed9t b\u1ed9 ni\u00eam phong \u0111\u00f3ng kho\u1ea3ng tr\u1ed1ng) ho\u1eb7c cho \u0111\u1ebfn khi c\u00f3 th\u1ee9 g\u00ec \u0111\u00f3 b\u1ecb h\u1ecfng. C\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1eadt l\u00fd ch\u00ednh l\u00e0 c\u00e2n b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng: m\u1ed9t s\u1ef1 m\u1ea5t \u1ed5n \u0111\u1ecbnh x\u1ea3y ra b\u1ea5t c\u1ee9 khi n\u00e0o l\u1ef1c ph\u1ee5 thu\u1ed9c chuy\u1ec3n \u0111\u1ed9ng b\u01a1m v\u00e0o n\u0103ng l\u01b0\u1ee3ng nhanh h\u01a1n so v\u1edbi kh\u1ea3 n\u0103ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/damping\/\">gi\u1ea3m ch\u1ea5n<\/a> c\u00f3 th\u1ec3 ti\u00eau t\u00e1n n\u00f3. Do \u0111\u00f3, damping \u0111\u1ea7y \u0111\u1ee7 l\u00e0 l\u1eb1n ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean ch\u1ed1ng l\u1ea1i self-excitation.<\/p>\n<h2>2. C\u00e1c V\u00ed d\u1ee5 Ph\u1ed5 bi\u1ebfn v\u1ec1 Self-Excited Vibration<\/h2>\n<p>M\u1ed9t s\u1ed1 hi\u1ec7n t\u01b0\u1ee3ng n\u1ed5i ti\u1ebfng trong ch\u1ea9n \u0111o\u00e1n m\u00e1y m\u00f3c l\u00e0 nh\u1eefng v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh c\u1ee7a self-excited vibration:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/oil-whirl\/\">D\u1ea7u xo\u00e1y<\/a> v\u00e0 oil whip:<\/strong> nh\u1eefng v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong m\u00e1y m\u00f3c quay. Trong m\u1ed9t v\u00f2m bi d\u1ea1ng m\u00e0ng ch\u1ea5t l\u1ecfng, tr\u1ee5c quay k\u00e9o d\u1ea7u v\u00e0o m\u1ed9t n\u00eam mang t\u1ea3i. M\u1ed9t s\u1ef1 nhi\u1ec5u lo\u1ea1n c\u00f3 th\u1ec3 l\u00e0m cho ch\u00ednh b\u1ea3n th\u00e2n n\u00eam \u0111\u00f3 quay quanh v\u00f2m bi (whirling); \u00e1p su\u1ea5t t\u1eeb n\u00eam quay n\u00e0y t\u00e1c d\u1ee5ng l\u00ean tr\u1ee5c, cung c\u1ea5p th\u00eam n\u0103ng l\u01b0\u1ee3ng cho whirl. Vibration k\u1ebft qu\u1ea3 kh\u00f4ng \u1edf t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng m\u00e0 \u1edf m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/sub-synchronous\/\">kh\u00f4ng \u0111\u1ed3ng b\u1ed9<\/a> t\u1ea7n s\u1ed1, th\u01b0\u1eddng l\u00e0 0.42\u20130.48&times; <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh<\/a>. N\u1ebfu t\u1ea7n s\u1ed1 whirl d\u1ecbch chuy\u1ec3n \u0111\u1ebfn tr\u00f9ng v\u1edbi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/natural-frequency\/\">t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean<\/a>, n\u00f3 kh\u00f3a v\u00e0 leo thang th\u00e0nh <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/shaft-whip\/\">l\u1eafc (whip)<\/a> t\u00ecnh tr\u1ea1ng.<\/li>\n<li><strong>Chatter trong gia c\u00f4ng:<\/strong> trong ti\u1ec7n ho\u1eb7c phay, chatter b\u1eaft \u0111\u1ea7u khi d\u1ee5ng c\u1ee5 c\u1eaft b\u1eaft \u0111\u1ea7u vibrate. S\u1ef1 vibration \u0111\u00f3 l\u00e0m cho \u0111\u1ed9 d\u00e0y c\u1ee7a m\u1eabu c\u1eaft thay \u0111\u1ed5i, \u0111\u1ed9 d\u00e0y m\u1eabu c\u1eaft thay \u0111\u1ed5i l\u00e0m cho l\u1ef1c c\u1eaft dao \u0111\u1ed9ng, v\u00e0 l\u1ef1c dao \u0111\u1ed9ng b\u01a1m n\u0103ng l\u01b0\u1ee3ng tr\u1edf l\u1ea1i vibration c\u1ee7a d\u1ee5ng c\u1ee5 \u2014 ph\u00e1t tri\u1ec3n n\u00f3 th\u00e0nh m\u1ed9t chatter b\u1ea1o l\u1ef1c, t\u1ef1 duy tr\u00ec l\u00e0m h\u1ecfng k\u1ebft th\u00fac b\u1ec1 m\u1eb7t v\u00e0 d\u1ee5ng c\u1ee5.<\/li>\n<li><strong>Aerodynamic flutter:<\/strong> rung xo\u1eafn u\u1ed1n gh\u00e9p c\u1ee7a c\u00e1nh m\u00e1y bay (ho\u1eb7c l\u01b0\u1ee1i tu\u1ed1c bin) trong \u0111\u00f3 chuy\u1ec3n \u0111\u1ed9ng thay \u0111\u1ed5i h\u00ecnh d\u00e1ng kh\u00ed \u0111\u1ed9ng h\u1ecdc, h\u00ecnh d\u00e1ng thay \u0111\u1ed5i l\u00e0m thay \u0111\u1ed5i \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed, v\u00e0 \u00e1p su\u1ea5t thay \u0111\u1ed5i truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng tr\u1edf l\u1ea1i chuy\u1ec3n \u0111\u1ed9ng \u2014 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c th\u1ea3m kh\u1ed1c n\u1ebfu n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor-rub\/\">Ma s\u00e1t rotor<\/a>:<\/strong> khi m\u1ed9t rotor ti\u1ebfp x\u00fac v\u1edbi m\u1ed9t ph\u1ea7n c\u1ed1 \u0111\u1ecbnh, ma s\u00e1t t\u1ea1i ch\u1ed7 ti\u1ebfp x\u00fac l\u00e0m n\u00f3ng rotor c\u1ee5c b\u1ed9 v\u00e0 l\u00e0m n\u00f3 cong v\u00eanh. S\u1ef1 cong v\u00eanh l\u00e0m t\u0103ng l\u1ef1c ma s\u00e1t, l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 cong v\u00eanh, t\u1ea1o ra m\u1ed9t v\u00f2ng ph\u1ea3n h\u1ed3i nhi\u1ec7t c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t qu\u00e1 tr\u00ecnh ng\u1ed9t ng\u1ea1t.<\/li>\n<\/ul>\n<p>C\u00f3 th\u00eam hai h\u1ecd h\u00e0ng ch\u1ea1y b\u1eb1ng ch\u1ea5t l\u01b0u \u0111\u00e1ng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/steam-whirl\/\">xo\u00e1y h\u01a1i<\/a> trong c\u00e1c tu\u1ed1c bin v\u00e0 h\u1ecd r\u1ed9ng h\u01a1n c\u00e1c b\u1ea5t \u1ed5n \u0111\u1ecbnh do d\u00f2ng ch\u1ea3y ch\u1ea1y \u0111\u1ed9ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/aerodynamic-forces\/\">l\u1ef1c kh\u00ed \u0111\u1ed9ng h\u1ecdc<\/a>, c\u1ea3 hai \u0111\u1ec1u tu\u00e2n theo c\u00f9ng m\u1ed9t logic ph\u1ea3n h\u1ed3i n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<h2>3. Rung \u0110\u1ed9ng T\u1ef1 K\u00edch Ho\u1eb7c C\u01b0\u1ee1ng B\u1ee9c - So S\u00e1nh Nhanh<\/h2>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>Rung \u0111\u1ed9ng c\u01b0\u1ee1ng b\u1ee9c<\/th>\n<th>Rung \u0111\u1ed9ng t\u1ef1 k\u00edch th\u00edch<\/th>\n<\/tr>\n<tr>\n<td>T\u1ea7n s\u1ed1 l\u00e1i \u0111\u1ed9ng<\/td>\n<td>\u0110\u01b0\u1ee3c \u0111\u1eb7t b\u1edfi m\u1ed9t \u0111\u1ea7u v\u00e0o b\u00ean ngo\u00e0i (v\u00ed d\u1ee5 1&times; cho m\u1ea5t c\u00e2n b\u1eb1ng)<\/td>\n<td>\u0110\u01b0\u1ee3c \u0111\u1eb7t b\u1edfi b\u1ea3n th\u00e2n h\u1ec7 th\u1ed1ng, th\u01b0\u1eddng l\u00e0 m\u1ed9t t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea7n s\u1ed1 so v\u1edbi t\u1ed1c \u0111\u1ed9<\/td>\n<td>Theo d\u00f5i t\u1ed1c \u0111\u1ed9 ch\u1ea1y<\/td>\n<td>Th\u01b0\u1eddng xuy\u00ean d\u01b0\u1edbi \u0111\u1ed3ng b\u1ed9 v\u00e0 kh\u00f4ng theo d\u00f5i 1&times;<\/td>\n<\/tr>\n<tr>\n<td>H\u00e0nh vi bi\u00ean \u0111\u1ed9<\/td>\n<td>\u1ed4n \u0111\u1ecbnh, t\u1ef7 l\u1ec7 v\u1edbi l\u1ef1c<\/td>\n<td>C\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n kh\u00f4ng gi\u1edbi h\u1ea1n cho \u0111\u1ebfn khi m\u1ed9t phi tuy\u1ebfn t\u00ednh can thi\u1ec7p<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng<\/td>\n<td>L\u1ef1c b\u00ean ngo\u00e0i \u0111\u1ecbnh k\u1ef3<\/td>\n<td>M\u1ed9t ngu\u1ed3n \u1ed5n \u0111\u1ecbnh (quay, d\u00f2ng ch\u1ea3y, c\u1eaft) \u0111\u01b0\u1ee3c khai th\u00e1c b\u1edfi chuy\u1ec3n \u0111\u1ed9ng<\/td>\n<\/tr>\n<\/table>\n<h2>4. \u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 ch\u1ea9n \u0111o\u00e1n<\/h2>\n<p>C\u00e1c rung \u0111\u1ed9ng t\u1ef1 k\u00edch th\u00edch c\u00f3 xu h\u01b0\u1edbng \u0111\u1ec3 l\u1ea1i d\u1ea5u v\u00e2n ri\u00eang bi\u1ec7t trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">Ph\u1ed5 FFT<\/a>:<\/p>\n<ul>\n<li><strong>T\u1ea7n s\u1ed1 kh\u00f4ng \u0111\u1ed3ng b\u1ed9:<\/strong> rung \u0111\u1ed9ng th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9i s\u1ed1 nguy\u00ean ho\u1eb7c s\u00f3ng h\u00e0i c\u1ee7a t\u1ed1c \u0111\u1ed9 ch\u1ea1y. N\u00f3 th\u01b0\u1eddng n\u1eb1m \u1edf t\u1ea7n s\u1ed1 d\u01b0\u1edbi \u0111\u1ed3ng b\u1ed9.<\/li>\n<li><strong>S\u1ef1 b\u1ea5t \u1ed5n:<\/strong> bi\u00ean \u0111\u1ed9 c\u00f3 th\u1ec3 r\u1ea5t kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 t\u0103ng nhanh v\u1edbi nh\u1eefng thay \u0111\u1ed5i nh\u1ecf trong t\u1ed1c \u0111\u1ed9, nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c t\u1ea3i.<\/li>\n<li><strong>Kh\u1edfi ph\u00e1t \u0111\u1ed9t ng\u1ed9t:<\/strong> rung \u0111\u1ed9ng c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n v\u1eafng m\u1eb7t cho \u0111\u1ebfn khi m\u00e1y v\u01b0\u1ee3t qua t\u1ed1c \u0111\u1ed9 ho\u1eb7c ng\u01b0\u1ee1ng t\u1ea3i c\u1ee5 th\u1ec3 \u2014 th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/critical-speed\/\">t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n<\/a> \u2014 t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3 n\u00f3 xu\u1ea5t hi\u1ec7n \u0111\u1ed9t ng\u1ed9t v\u00e0 v\u1edbi bi\u00ean \u0111\u1ed9 cao.<\/li>\n<\/ul>\n<p>Ch\u1ea9n \u0111o\u00e1n c\u00f3 ngh\u0129a l\u00e0 x\u00e1c \u0111\u1ecbnh nh\u1eefng \u0111\u1ec9nh kh\u00f4ng \u0111\u1ed3ng b\u1ed9 \u0111\u1eb7c tr\u01b0ng v\u00e0 sau \u0111\u00f3 suy lu\u1eadn v\u1ec1 c\u01a1 ch\u1ebf v\u1eadt l\u00fd c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 kh\u00f4ng \u1ed5n \u0111\u1ecbnh nh\u01b0 v\u1eady trong m\u00e1y c\u1ee5 th\u1ec3. V\u00ec s\u1ef1 kh\u1edfi \u0111\u1ea7u \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng, m\u1ed9t b\u1ea3n ghi thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 \u0111\u1eb7c bi\u1ec7t c\u00f3 \u00fd ngh\u0129a ti\u1ebft l\u1ed9: m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/cascade-plot\/\">bi\u1ec3u \u0111\u1ed3 cascade<\/a> \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong qu\u00e1 tr\u00ecnh ch\u1ea1y l\u00ean ho\u1eb7c s\u1ee5t xu\u1ed1ng cho th\u1ea5y m\u1ed9t th\u00e0nh ph\u1ea7n d\u01b0\u1edbi \u0111\u1ed3ng b\u1ed9 xu\u1ea5t hi\u1ec7n v\u00e0 sau \u0111\u00f3 kh\u00f3a v\u00e0o m\u1ed9t t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean, \u0111\u00f3 l\u00e0 ch\u1eef k\u00fd kh\u00f4ng th\u1ec3 nh\u1ea7m l\u1eabn c\u1ee7a whirl chuy\u1ec3n th\u00e0nh whip. \u0110\u1ed1i v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p li\u00ean quan \u0111\u1ebfn v\u00f2ng bi, m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/journal-bearing-frequencies\/\">m\u00e1y t\u00ednh t\u1ea7n s\u1ed1 khi\u1ebfm khuy\u1ebft v\u00f2ng bi<\/a> gi\u00fap x\u00e1c nh\u1eadn li\u1ec7u m\u1ed9t \u0111\u1ec9nh nghi v\u1ea5n c\u00f3 r\u01a1i v\u00e0o d\u1ea3i xo\u00e1y d\u1ea7u hay kh\u00f4ng. Thu\u1eadt ng\u1eef \u00f4 d\u00f9 cho to\u00e0n b\u1ed9 h\u00e0nh vi n\u00e0y l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor-instability\/\">s\u1ef1 m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a r\u00f4to<\/a>, v\u00e0 ph\u00e2n bi\u1ec7t n\u00f3 v\u1edbi m\u1ed9t ph\u1ea3n \u1ee9ng c\u01b0\u1ee1ng b\u1ee9c l\u00e0 b\u01b0\u1edbc ph\u00e2n nh\u00e1nh \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t c\u1ee7a nh\u00e0 ph\u00e2n t\u00edch \u2014 v\u00ec c\u00e1ch ch\u1eefa tr\u1ecb ho\u00e0n to\u00e0n kh\u00e1c nhau: rung \u0111\u1ed9ng c\u01b0\u1ee1ng b\u1ee9c \u0111\u01b0\u1ee3c gi\u1ea3m b\u1eb1ng c\u00e2n b\u1eb1ng ho\u1eb7c ch\u1ec9nh v\u1ecb tr\u00ed, trong khi instability t\u1ef1 k\u00edch th\u00edch ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i h\u00ecnh h\u1ecdc v\u00f2ng bi, \u0111\u1ed9 kho\u1ea3ng s\u00e1ng, t\u1ea3i ho\u1eb7c b\u1ed9 gi\u1ea3m ch\u1ea5n.<\/p>\n<h2>5. T\u1ea1i Sao N\u00f3 Kh\u00f4ng Th\u1ec3 \u0110\u01b0\u1ee3c C\u00e2n B\u1eb1ng<\/h2>\n<p>M\u1ed9t c\u1ea3nh b\u00e1o th\u1ef1c ti\u1ec5n xu\u1ea5t ph\u00e1t tr\u1ef1c ti\u1ebfp t\u1eeb v\u1eadt l\u00fd. V\u00ec rung \u0111\u1ed9ng t\u1ef1 k\u00edch th\u00edch kh\u00f4ng ph\u1ea3i l\u00e0 ph\u1ea3n \u1ee9ng v\u1edbi m\u1ed9t ch\u1ea5m n\u1eb7ng quay, n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c ch\u1eefa b\u1eb1ng c\u00e1ch th\u00eam tr\u1ecdng s\u1ed1 hi\u1ec7u ch\u1ec9nh \u2014 n\u0103ng l\u01b0\u1ee3ng \u0111\u1ebfn t\u1eeb ch\u1ea5t l\u1ecfng v\u00f2ng bi, qu\u00e1 tr\u00ecnh c\u1eaft ho\u1eb7c d\u00f2ng kh\u00f4ng kh\u00ed, kh\u00f4ng ph\u1ea3i t\u1eeb m\u1ea5t c\u00e2n b\u1eb1ng kh\u1ed1i l\u01b0\u1ee3ng. \u0110\u00e2y ch\u00ednh x\u00e1c l\u00e0 l\u00fd do t\u1ea1i sao ph\u00e9p \u0111o tr\u01b0\u1eddng c\u1ea9n th\u1eadn tr\u01b0\u1edbc b\u1ea5t k\u1ef3 c\u00f4ng vi\u1ec7c hi\u1ec7u ch\u1ec9nh n\u00e0o l\u00e0 quan tr\u1ecdng: khi m\u1ed9t k\u1ef9 s\u01b0 ghi l\u1ea1i bi\u00ean \u0111\u1ed9 v\u00e0 pha b\u1eb1ng b\u1ed9 ph\u00e2n t\u00edch hai k\u00eanh di \u0111\u1ed9ng nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a>, m\u1ed9t vect\u01a1 1&times; \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i ch\u1ec9 \u0111\u1ebfn m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u00e2n b\u1eb1ng th\u1ef1c s\u1ef1, trong khi m\u1ed9t th\u00e0nh ph\u1ea7n d\u01b0\u1edbi \u0111\u1ed3ng b\u1ed9, kh\u00f4ng l\u1eb7p l\u1ea1i, tr\u00f4i d\u1ea1t l\u00e0 d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o r\u1eb1ng l\u1ed7i l\u00e0 m\u1ed9t instability v\u00e0 c\u00e2n b\u1eb1ng s\u1ebd l\u00e3ng ph\u00ed c\u00f4ng s\u1ee9c. \u0110\u1ecdc <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analyzer\/\">m\u00e1y ph\u00e2n t\u00edch<\/a> \u0111\u00fang c\u00e1ch do \u0111\u00f3 ng\u0103n ch\u1eb7n sai l\u1ea7m kinh \u0111i\u1ec3n c\u1ee7a vi\u1ec7c c\u1ed1 g\u1eafng c\u00e2n b\u1eb1ng ra m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/whirl\/\">xo\u00e1y<\/a>.<\/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>Gi\u1ea3i th\u00edch v\u1ec1 rung \u0111\u1ed9ng t\u1ef1 k\u00edch th\u00edch, m\u1ed9t lo\u1ea1i rung \u0111\u1ed9ng nguy hi\u1ec3m trong \u0111\u00f3 chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 t\u1ea1o ra l\u1ef1c duy tr\u00ec ho\u1eb7c khu\u1ebfch \u0111\u1ea1i rung \u0111\u1ed9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 xo\u00e1y d\u1ea7u v\u00e0 ti\u1ebfng \u1ed3n.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-230","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/230","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":1,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/230\/revisions"}],"predecessor-version":[{"id":101308,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/230\/revisions\/101308"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}