{"id":165,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/mode-shape\/"},"modified":"2026-05-23T23:04:15","modified_gmt":"2026-05-23T23:04:15","slug":"mode-shape","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/mode-shape\/","title":{"rendered":"H\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9 trong \u0111\u1ed9ng l\u1ef1c h\u1ecdc r\u00f4to l\u00e0 g\u00ec?"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9 trong \u0111\u1ed9ng l\u1ef1c h\u1ecdc r\u00f4to<\/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\/165?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\/165?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\/165?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\/165?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\/165?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\/165?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\/165?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\/165?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\/165?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\/165?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\/165?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\/165?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\/165?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\/165?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>A <strong>h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9<\/strong> \u2014 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t ch\u1ebf \u0111\u1ed9 rung \u0111\u1ed9ng ho\u1eb7c ch\u1ebf \u0111\u1ed9 t\u1ef1 nhi\u00ean \u2014 l\u00e0 m\u1eabu bi\u1ebfn d\u1ea1ng kh\u00f4ng gian \u0111\u1eb7c tr\u01b0ng m\u00e0 m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor\/\">r\u00f4to<\/a> h\u1ec7 th\u1ed1ng th\u1ef1c hi\u1ec7n khi n\u00f3 rung \u0111\u1ed9ng t\u1ea1i m\u1ed9t trong nh\u1eefng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/natural-frequency\/\">t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean<\/a>. N\u00f3 m\u00f4 t\u1ea3 bi\u00ean \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a> chuy\u1ec3n \u0111\u1ed9ng t\u1ea1i m\u1ecdi \u0111i\u1ec3m d\u1ecdc theo tr\u1ee5c khi h\u1ec7 th\u1ed1ng dao \u0111\u1ed9ng t\u1ef1 do \u1edf t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3 \u0111\u00f3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">c\u1ed9ng h\u01b0\u1edfng<\/a> t\u1ea7n s\u1ed1. M\u1ed7i d\u1ea1ng dao \u0111\u1ed9ng \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i v\u1edbi m\u1ed9t t\u1ea7n s\u1ed1 ri\u00eang, v\u00e0 t\u1eadp h\u1ee3p c\u1ee7a ch\u00fang t\u1ea1o th\u00e0nh m\u00f4 t\u1ea3 \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 h\u00e0nh vi \u0111\u1ed9ng h\u1ecdc c\u1ee7a h\u1ec7 th\u1ed1ng. Hi\u1ec3u r\u00f5 d\u1ea1ng dao \u0111\u1ed9ng l\u00e0 c\u01a1 b\u1ea3n \u0111\u1ec3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor-dynamics\/\">\u0111\u1ed9ng l\u1ef1c h\u1ecdc r\u00f4to<\/a>, v\u00ec ch\u00fang quy\u1ebft \u0111\u1ecbnh v\u1ecb tr\u00ed <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/critical-speed\/\">t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n<\/a> x\u1ea3y ra v\u00e0 c\u00e1ch roto ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c l\u1ef1c k\u00edch th\u00edch n\u00f3.<\/p>\n<h2>1. \u0110\u1ecbnh Ngh\u0129a v\u00e0 \u00dd Ngh\u0129a V\u1eadt L\u00fd<\/h2>\n<p>Khi m\u1ed9t c\u1ea5u tr\u00fac b\u1ecb nhi\u1ec5u \u0111\u1ed9ng v\u00e0 \u0111\u1ec3 dao \u0111\u1ed9ng ri\u00eang, n\u00f3 kh\u00f4ng chuy\u1ec3n \u0111\u1ed9ng t\u00f9y \u00fd. N\u00f3 \u1ed5n \u0111\u1ecbnh th\u00e0nh m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf c\u00e1c m\u00f4 h\u00ecnh \u01b0a th\u00edch, m\u1ed7i c\u00e1i rung \u1edf t\u1ea7n s\u1ed1 ri\u00eang c\u1ee7a n\u00f3, gi\u1ed1ng nh\u01b0 d\u00e2y \u0111\u00e0n guitar ph\u00e1t ra t\u1ea7n s\u1ed1 c\u01a1 b\u1ea3n v\u00e0 m\u1ed9t lo\u1ea1t c\u00e1c \u00e2m cao. \u0110\u1ed1i v\u1edbi roto, c\u00e1c m\u00f4 h\u00ecnh \u01b0a th\u00edch \u0111\u00f3 l\u00e0 d\u1ea1ng dao \u0111\u1ed9ng c\u1ee7a n\u00f3, v\u00e0 c\u00e1c t\u1ea7n s\u1ed1 m\u00e0 ch\u00fang xu\u1ea5t hi\u1ec7n l\u00e0 t\u1ea7n s\u1ed1 ri\u00eang c\u1ee7a n\u00f3. Nguy hi\u1ec3m trong m\u00e1y quay l\u00e0 t\u1ed1c \u0111\u1ed9 ch\u1ea1y c\u1ee7a roto c\u00f3 th\u1ec3 tr\u00f9ng v\u1edbi m\u1ed9t trong nh\u1eefng t\u1ea7n s\u1ed1 ri\u00eang n\u00e0y; khi n\u00f3 x\u1ea3y ra, d\u1ea1ng dao \u0111\u1ed9ng t\u01b0\u01a1ng \u1ee9ng b\u1ecb k\u00edch th\u00edch v\u00e0o <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">s\u1ef1 c\u1ed9ng h\u01b0\u1edfng<\/a> v\u00e0 bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng t\u0103ng v\u1ecdt. Bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c d\u1ea1ng tr\u01b0\u1edbc \u0111\u00f3 cho ph\u00e9p k\u1ef9 s\u01b0 bi\u1ebft roto s\u1ebd u\u1ed1n cong nhi\u1ec1u nh\u1ea5t \u1edf \u0111\u00e2u, n\u01a1i n\u00f3 h\u1ea7u nh\u01b0 kh\u00f4ng chuy\u1ec3n \u0111\u1ed9ng, v\u00e0 do \u0111\u00f3 n\u01a1i ph\u1ea3i can thi\u1ec7p.<\/p>\n<h2>2. H\u00ecnh dung d\u1ea1ng dao \u0111\u1ed9ng<\/h2>\n<p>D\u1ea1ng dao \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n t\u1ed1t nh\u1ea5t nh\u01b0 c\u00e1c \u0111\u01b0\u1eddng cong s\u1ee5t xu\u1ed1ng c\u1ee7a tr\u1ee5c roto.<\/p>\n<h3>Ch\u1ebf \u0111\u1ed9 th\u1ee9 nh\u1ea5t (C\u01a1 b\u1ea3n)<\/h3>\n<ul>\n<li><strong>H\u00ecnh d\u1ea1ng:<\/strong> m\u1ed9t cung \u0111\u01a1n gi\u1ea3n ho\u1eb7c u\u1ed1n cong, gi\u1ed1ng nh\u01b0 m\u1ed9t s\u1ee3i d\u00e2y nh\u1ea3y d\u00e2y v\u1edbi m\u1ed9t b\u01b0\u1edbu \u0111\u01a1n.<\/li>\n<li><strong>C\u00e1c \u0111i\u1ec3m n\u00fat:<\/strong> kh\u00f4ng c\u00f3 b\u00ean trong \u2014 tr\u1ee5c \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u1ea1i c\u00e1c \u1ed5 \u0111\u1ee1, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c n\u00fat x\u1ea5p x\u1ec9.<\/li>\n<li><strong>S\u1ee5t xu\u1ed1ng t\u1ed1i \u0111a:<\/strong> th\u01b0\u1eddng g\u1ea7n s\u1ea3i gi\u1eefa c\u00e1c \u1ed5 \u0111\u1ee1.<\/li>\n<li><strong>T\u1ea7n s\u1ed1:<\/strong> t\u1ea7n s\u1ed1 ri\u00eang th\u1ea5p nh\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>T\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n:<\/strong> t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n \u0111\u1ea7u ti\u00ean t\u01b0\u01a1ng \u1ee9ng v\u1edbi d\u1ea1ng n\u00e0y.<\/li>\n<\/ul>\n<h3>Ch\u1ebf \u0111\u1ed9 th\u1ee9 hai<\/h3>\n<ul>\n<li><strong>H\u00ecnh d\u1ea1ng:<\/strong> m\u1ed9t \u0111\u01b0\u1eddng cong S v\u1edbi m\u1ed9t n\u00fat \u1edf gi\u1eefa.<\/li>\n<li><strong>C\u00e1c \u0111i\u1ec3m n\u00fat:<\/strong> m\u1ed9t n\u00fat b\u00ean trong, n\u01a1i s\u1ee5t xu\u1ed1ng c\u1ee7a tr\u1ee5c b\u1eb1ng kh\u00f4ng.<\/li>\n<li><strong>S\u1ee5t xu\u1ed1ng t\u1ed1i \u0111a:<\/strong> t\u1ea1i hai v\u1ecb tr\u00ed, m\u1ed7i b\u00ean c\u1ee7a n\u00fat.<\/li>\n<li><strong>T\u1ea7n s\u1ed1:<\/strong> cao h\u01a1n d\u1ea1ng \u0111\u1ea7u ti\u00ean, th\u01b0\u1eddng g\u1ea5p ba \u0111\u1ebfn n\u0103m l\u1ea7n t\u1ea7n s\u1ed1 c\u1ee7a n\u00f3.<\/li>\n<li><strong>T\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n:<\/strong> t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n th\u1ee9 hai.<\/li>\n<\/ul>\n<h3>Ch\u1ebf \u0111\u1ed9 th\u1ee9 ba v\u00e0 cao h\u01a1n<\/h3>\n<ul>\n<li><strong>H\u00ecnh d\u1ea1ng:<\/strong> c\u00e1c m\u00f4 h\u00ecnh s\u00f3ng ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p.<\/li>\n<li><strong>C\u00e1c \u0111i\u1ec3m n\u00fat:<\/strong> hai cho d\u1ea1ng th\u1ee9 ba, ba cho d\u1ea1ng th\u1ee9 t\u01b0, v.v.<\/li>\n<li><strong>T\u1ea7n s\u1ed1:<\/strong> ng\u00e0y c\u00e0ng cao h\u01a1n.<\/li>\n<li><strong>T\u1ea7m quan tr\u1ecdng th\u1ef1c t\u1ebf:<\/strong> th\u01b0\u1eddng ch\u1ec9 li\u00ean quan \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 r\u1ea5t cao ho\u1eb7c r\u1ea5t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/flexible-rotor\/\">r\u00f4to linh ho\u1ea1t<\/a>.<\/li>\n<\/ul>\n<h2>3. C\u00e1c \u0110\u1eb7c \u0110i\u1ec3m Ch\u00ednh c\u1ee7a H\u00ecnh D\u1ea1ng Mode<\/h2>\n<h3>T\u00ednh tr\u1ef1c giao<\/h3>\n<p>C\u00e1c h\u00ecnh d\u1ea1ng mode kh\u00e1c nhau c\u00f3 t\u00ednh tr\u1ef1c giao v\u1ec1 m\u1eb7t to\u00e1n h\u1ecdc \u2014 t\u1ee9c l\u00e0 \u0111\u1ed9c l\u1eadp. Trong m\u1ed9t h\u1ec7 th\u1ed1ng tuy\u1ebfn t\u00ednh l\u00fd t\u01b0\u1edfng, n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c c\u1ea5p v\u00e0o \u1edf m\u1ed9t t\u1ea7n s\u1ed1 modal kh\u00f4ng k\u00edch th\u00edch nh\u1eefng t\u1ea7n s\u1ed1 kh\u00e1c, \u0111\u00f3 ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u cho ph\u00e9p c\u00e1c k\u1ef9 s\u01b0 x\u1eed l\u00fd v\u00e0 s\u1eeda ch\u1eefa t\u1eebng mode ri\u00eang bi\u1ec7t.<\/p>\n<h3>Chu\u1ea9n h\u00f3a<\/h3>\n<p>C\u00e1c h\u00ecnh d\u1ea1ng mode th\u01b0\u1eddng \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a, v\u1edbi \u0111\u1ed9 sai l\u1ec7ch t\u1ed1i \u0111a \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh theo m\u1ed9t gi\u00e1 tr\u1ecb tham chi\u1ebfu (th\u01b0\u1eddng l\u00e0 1,0) \u0111\u1ec3 c\u00e1c h\u00ecnh d\u1ea1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c so s\u00e1nh. \u0110\u1ed9 l\u1edbn sai l\u1ec7ch th\u1ef1c t\u1ebf trong d\u1ecbch v\u1ee5 ph\u1ee5 thu\u1ed9c v\u00e0o bi\u00ean \u0111\u1ed9 bu\u1ed9c v\u00e0 h\u1ec7 th\u1ed1ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/damping\/\">gi\u1ea3m ch\u1ea5n<\/a>.<\/p>\n<h3>\u0110i\u1ec3m n\u00fat<\/h3>\n<p><strong>C\u00e1c n\u00fat<\/strong> l\u00e0 nh\u1eefng v\u1ecb tr\u00ed d\u1ecdc theo tr\u1ee5c n\u01a1i \u0111\u1ed9 sai l\u1ec7ch v\u1eabn b\u1eb1ng kh\u00f4ng trong qu\u00e1 tr\u00ecnh rung \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 \u0111\u00f3. S\u1ed1 n\u00fat b\u00ean trong b\u1eb1ng s\u1ed1 mode tr\u1eeb \u0111i m\u1ed9t:<\/p>\n<ul>\n<li>ch\u1ebf \u0111\u1ed9 th\u1ee9 nh\u1ea5t: 0 n\u00fat n\u1ed9i t\u1ea1i;<\/li>\n<li>ch\u1ebf \u0111\u1ed9 th\u1ee9 hai: 1 n\u00fat n\u1ed9i t\u1ea1i;<\/li>\n<li>ch\u1ebf \u0111\u1ed9 th\u1ee9 ba: 2 n\u00fat n\u1ed9i t\u1ea1i.<\/li>\n<\/ul>\n<p>A <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/nodal-point\/\">\u0111i\u1ec3m n\u00fat<\/a> l\u00e0 m\u1ed9t v\u1ecb tr\u00ed y\u00ean t\u0129nh trong m\u1ed9t ch\u1ebf \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh \u2014 m\u1ed9t th\u1ef1c t\u1ebf c\u00f3 h\u1ec7 qu\u1ea3 tr\u1ef1c ti\u1ebfp \u0111\u1ed1i v\u1edbi c\u1ea3 v\u1ecb tr\u00ed c\u1ea3m bi\u1ebfn v\u00e0 c\u00e2n b\u1eb1ng.<\/p>\n<h3>\u0110i\u1ec3m Antinode<\/h3>\n<p><strong>C\u00e1c n\u00fat th\u1eaft<\/strong> l\u00e0 nh\u1eefng v\u1ecb tr\u00ed c\u00f3 \u0111\u1ed9 sai l\u1ec7ch t\u1ed1i \u0111a trong h\u00ecnh d\u1ea1ng mode. Ch\u00fang l\u00e0 nh\u1eefng \u0111i\u1ec3m c\u00f3 \u1ee9ng su\u1ea5t u\u1ed1n l\u1edbn nh\u1ea5t do \u0111\u00f3 l\u00e0 nh\u1eefng n\u01a1i c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra m\u1ecfi v\u00e0 h\u1ecfng h\u00f3c cao nh\u1ea5t trong qu\u00e1 tr\u00ecnh rung \u0111\u1ed9ng c\u1ed9ng h\u01b0\u1edfng.<\/p>\n<h2>4. T\u1ea1i Sao H\u00ecnh D\u1ea1ng Mode Quan Tr\u1ecdng<\/h2>\n<h3>D\u1ef1 \u0111o\u00e1n T\u1ed1c \u0111\u1ed9 T\u1edbi h\u1ea1n<\/h3>\n<p>M\u1ed7i h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9 t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/critical-speed\/\">t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n<\/a>. Khi t\u1ed1c \u0111\u1ed9 ch\u1ea1y kh\u1edbp v\u1edbi t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean, mode \u0111\u00f3 \u0111\u01b0\u1ee3c k\u00edch th\u00edch, rotor sai l\u1ec7ch v\u00e0o h\u00ecnh d\u1ea1ng mode, v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a> c\u00e1c l\u1ef1c t\u1ea1o ra rung \u0111\u1ed9ng l\u1edbn nh\u1ea5t n\u01a1i ch\u00fang li\u00ean k\u1ebft v\u1edbi c\u00e1c antinode. A <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/rotor-critical-speed\/\">m\u00e1y t\u00ednh t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n c\u1ee7a rotor<\/a> cung c\u1ea5p \u01b0\u1edbc t\u00ednh nhanh ch\u00f3ng v\u1ec1 v\u1ecb tr\u00ed nh\u1eefng t\u1ed1c \u0111\u1ed9 n\u00e0y so v\u1edbi ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<h3>Chi\u1ebfn l\u01b0\u1ee3c c\u00e2n b\u1eb1ng<\/h3>\n<p>H\u00ecnh d\u1ea1ng mode h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/balancing\/\">c\u00e2n b\u1eb1ng<\/a> ph\u01b0\u01a1ng ph\u00e1p:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rigid-rotor\/\">R\u00f4to c\u1ee9ng<\/a><\/strong> ch\u1ea1y d\u01b0\u1edbi t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n \u0111\u1ea7u ti\u00ean; \u0111\u01a1n gi\u1ea3n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/two-plane-balancing\/\">c\u00e2n b\u1eb1ng hai m\u1eb7t ph\u1eb3ng<\/a> l\u00e0 \u0111\u1ee7.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/flexible-rotor\/\">R\u00f4to linh ho\u1ea1t<\/a><\/strong> ch\u1ea1y tr\u00ean t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n \u0111\u1ea7u ti\u00ean v\u00e0 c\u00f3 th\u1ec3 c\u1ea7n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/modal-balancing\/\">c\u00e2n b\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c<\/a> nh\u1eb1m v\u00e0o c\u00e1c h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9 c\u1ee5 th\u1ec3.<\/li>\n<li><strong>V\u1ecb tr\u00ed m\u1eb7t ph\u1eb3ng \u0111i\u1ec1u ch\u1ec9nh<\/strong> hi\u1ec7u qu\u1ea3 nh\u1ea5t t\u1ea1i c\u00e1c antinode, n\u01a1i m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ecbnh c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn nh\u1ea5t \u0111\u1ebfn mode.<\/li>\n<li><strong>V\u1ecb tr\u00ed \u0111i\u1ec3m n\u00fat<\/strong> l\u00e0 tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1ee3c l\u1ea1i: a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/correction-weight\/\">tr\u1ecdng l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh<\/a> \u0111\u1eb7t t\u1ea1i m\u1ed9t node g\u1ea7n nh\u01b0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn mode \u0111\u00f3.<\/li>\n<\/ul>\n<h3>Ph\u00e2n t\u00edch l\u1ed7i<\/h3>\n<p>H\u00ecnh d\u1ea1ng mode c\u0169ng gi\u1ea3i th\u00edch n\u01a1i x\u1ea3y ra h\u1ecfng h\u00f3c. C\u00e1c v\u1ebft n\u1ee9t m\u1ecfi th\u01b0\u1eddng h\u00ecnh th\u00e0nh t\u1ea1i c\u00e1c antinode, n\u01a1i \u1ee9ng su\u1ea5t u\u1ed1n \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i; c\u00e1c r\u1ed1i lo\u1ea1n \u1ed5 tr\u1ee5c c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra cao h\u01a1n n\u01a1i \u0111\u1ed9 sai l\u1ec7ch cao; v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor-rub\/\">c\u1ecd x\u00e1t<\/a> x\u1ea3y ra n\u01a1i \u0111\u1ed9 sai l\u1ec7ch tr\u1ee5c l\u00e0m cho rotor g\u1ea7n v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ee9ng y\u00ean.<\/p>\n<h2>5. X\u00e1c \u0111\u1ecbnh H\u00ecnh d\u1ea1ng Ch\u1ebf \u0111\u1ed9<\/h2>\n<h3>Ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch<\/h3>\n<h4>Ph\u00e2n t\u00edch ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n (FEA)<\/h4>\n<ul>\n<li>Ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/li>\n<li>Rotor \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a nh\u01b0 m\u1ed9t chu\u1ed7i c\u00e1c ph\u1ea7n t\u1eed d\u1ea7m ch\u1ee9a kh\u1ed1i l\u01b0\u1ee3ng, \u0111\u1ed9 c\u1ee9ng v\u00e0 momen qu\u00e1n t\u00ednh.<\/li>\n<li>Ph\u00e2n t\u00edch gi\u00e1 tr\u1ecb ri\u00eang cho ra c\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean v\u00e0 c\u00e1c d\u1ea1ng mode t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<li>C\u00f3 th\u1ec3 t\u00ednh \u0111\u1ebfn h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p, t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u, \u0111\u1eb7c \u0111i\u1ec3m \u1ed5 tr\u1ee5c<\/li>\n<\/ul>\n<h4>Ph\u01b0\u01a1ng ph\u00e1p Ma tr\u1eadn Truy\u1ec1n<\/h4>\n<ul>\n<li>M\u1ed9t k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch c\u1ed5 \u0111i\u1ec3n.<\/li>\n<li>Rotor \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c tr\u1ea1m c\u00f3 t\u00ednh ch\u1ea5t \u0111\u00e3 bi\u1ebft.<\/li>\n<li>Ma tr\u1eadn truy\u1ec3n propagate \u0111\u1ed9 v\u00f5ng v\u00e0 l\u1ef1c d\u1ecdc theo tr\u1ee5c.<\/li>\n<li>Hi\u1ec7u qu\u1ea3 cho c\u00e1c c\u1ea5u h\u00ecnh tr\u1ee5c t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n<\/li>\n<\/ul>\n<h4>L\u00fd thuy\u1ebft D\u1ea7m Li\u00ean t\u1ee5c<\/h4>\n<ul>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c tr\u1ee5c \u0111\u1ed3ng nh\u1ea5t, t\u1ed3n t\u1ea1i c\u00e1c l\u1eddi gi\u1ea3i ph\u00e2n t\u00edch d\u1ea1ng \u0111\u00f3ng.<\/li>\n<li>Cung c\u1ea5p c\u00e1c bi\u1ec3u th\u1ee9c ch\u00ednh x\u00e1c cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u01a1n gi\u1ea3n.<\/li>\n<li>H\u1eefu \u00edch cho vi\u1ec7c gi\u1ea3ng d\u1ea1y v\u00e0 thi\u1ebft k\u1ebf s\u01a1 b\u1ed9.<\/li>\n<\/ul>\n<h3>Ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c nghi\u1ec7m<\/h3>\n<h4>Ki\u1ec3m tra Ph\u01b0\u01a1ng th\u1ee9c (Ki\u1ec3m tra T\u00e1c \u0111\u1ed9ng)<\/h4>\n<ul>\n<li>T\u00e1c \u0111\u1ed9ng v\u00e0o tr\u1ee5c b\u1eb1ng m\u1ed9t c\u00e1i b\u00faa \u0111\u01b0\u1ee3c trang b\u1ecb sensor t\u1ea1i nhi\u1ec1u v\u1ecb tr\u00ed \u2014 a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bump-test\/\">ki\u1ec3m tra va ch\u1ea1m<\/a>.<\/li>\n<li>\u0110o ph\u1ea3n \u1ee9ng b\u1eb1ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/accelerometer\/\">c\u1ea3m bi\u1ebfn gia t\u1ed1c<\/a> t\u1ea1i nhi\u1ec1u \u0111i\u1ec3m.<\/li>\n<li>K\u1ebft qu\u1ea3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/frequency-response-function\/\">ch\u1ee9c n\u0103ng \u0111\u00e1p \u1ee9ng t\u1ea7n s\u1ed1<\/a> ti\u1ebft l\u1ed9 c\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean.<\/li>\n<li>D\u1ea1ng mode \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t t\u1eeb c\u00e1c bi\u00ean \u0111\u1ed9 v\u00e0 pha ph\u1ea3n \u1ee9ng t\u01b0\u01a1ng \u0111\u1ed1i.<\/li>\n<\/ul>\n<h4>\u0110o l\u01b0\u1eddng h\u00ecnh d\u1ea1ng chuy\u1ec3n v\u1ecb ho\u1ea1t \u0111\u1ed9ng (ODS)<\/h4>\n<ul>\n<li>\u0110o rung \u0111\u1ed9ng t\u1ea1i nhi\u1ec1u v\u1ecb tr\u00ed trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/li>\n<li>G\u1ea7n m\u1ed9t t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n, c\u00e1i <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/ods-analysis\/\">h\u00ecnh d\u1ea1ng chuy\u1ec3n v\u1ecb ho\u1ea1t \u0111\u1ed9ng<\/a> x\u1ea5p x\u1ec9 h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9.<\/li>\n<li>C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi rotor t\u1ea1i ch\u1ed7.<\/li>\n<li>N\u00f3 c\u1ea7n nhi\u1ec1u c\u1ea3m bi\u1ebfn ho\u1eb7c k\u1ef9 thu\u1eadt c\u1ea3m bi\u1ebfn qu\u00e9t.<\/li>\n<\/ul>\n<h4>M\u1ea3ng c\u1ea3m bi\u1ebfn x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed<\/h4>\n<ul>\n<li>Kh\u00f4ng ti\u1ebfp x\u00fac <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/proximity-probe\/\">\u0111\u1ea7u d\u00f2 ti\u1ec7m c\u1eadn<\/a> t\u1ea1i nhi\u1ec1u v\u1ecb tr\u00ed theo h\u01b0\u1edbng tr\u1ee5c.<\/li>\n<li>\u0110o l\u01b0\u1eddng chuy\u1ec3n v\u1ecb tr\u1ee5c nh\u1eadn d\u1ea1ng tr\u1ef1c ti\u1ebfp.<\/li>\n<li>Trong qu\u00e1 tr\u00ecnh <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/coastdown-analysis\/\">kh\u1edfi \u0111\u1ed9ng ho\u1eb7c h\u1ea1 t\u1ed1c \u0111\u1ed9<\/a>, m\u00f4 h\u00ecnh \u0111\u1ed9 v\u00f5ng cho th\u1ea5y c\u00e1c d\u1ea1ng mode.<\/li>\n<li>Ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c nghi\u1ec7m ch\u00ednh x\u00e1c nh\u1ea5t cho c\u00e1c m\u00e1y m\u00f3c \u0111ang ch\u1ea1y th\u1ef1c t\u1ebf.<\/li>\n<\/ul>\n<h2>6. Nh\u1eefng G\u00ec Thay \u0110\u1ed5i D\u1ea1ng Mode<\/h2>\n<h3>T\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9 c\u1ee9ng \u1ed5 tr\u1ee5c<\/h3>\n<ul>\n<li><strong>V\u00f2ng bi c\u1ee9ng:<\/strong> c\u00e1c n\u00fat h\u00ecnh th\u00e0nh t\u1ea1i c\u00e1c v\u1ecb tr\u00ed \u1ed5 v\u00e0 c\u00e1c d\u1ea1ng mode \u0111\u01b0\u1ee3c r\u00e0ng bu\u1ed9c ch\u1eb7t h\u01a1n.<\/li>\n<li><strong>V\u00f2ng bi d\u1ebbo:<\/strong> chuy\u1ec3n \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 x\u1ea3y ra t\u1ea1i c\u00e1c \u1ed5 v\u00e0 c\u00e1c d\u1ea1ng mode \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 r\u1ed9ng h\u01a1n.<\/li>\n<li><strong>V\u00f2m bi kh\u00f4ng \u0111\u1ed1i x\u1ee9ng:<\/strong> c\u00e1c d\u1ea1ng mode kh\u00e1c nhau gi\u1eefa c\u00e1c h\u01b0\u1edbng ngang v\u00e0 d\u1ecdc.<\/li>\n<\/ul>\n<h3>S\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ed1c \u0111\u1ed9<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c tr\u1ee5c quay, c\u00e1c d\u1ea1ng mode c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo t\u1ed1c \u0111\u1ed9 do:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/gyroscopic-effect\/\">Hi\u1ec7u \u1ee9ng con quay<\/a>:<\/strong> ch\u00fang chia c\u00e1c mode th\u00e0nh quay ti\u1ebfn v\u00e0 quay l\u00f9i.<\/li>\n<li><strong>Thay \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng v\u00f2ng bi:<\/strong> m\u00e0ng ch\u1ea5t l\u1ecfng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/journal-bearing\/\">\u1ed5 tr\u1ee5c<\/a> t\u0103ng \u0111\u1ed9 c\u1ee9ng khi t\u1ed1c \u0111\u1ed9 t\u0103ng l\u00ean.<\/li>\n<li><strong>\u0110\u1ed9 c\u1ee9ng t\u00e2m ly t\u5fc3:<\/strong> \u1edf t\u1ed1c \u0111\u1ed9 r\u1ea5t cao, c\u00e1c l\u1ef1c ly t\u00e2m c\u1ed9ng th\u00eam \u0111\u1ed9 c\u1ee9ng v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n m\u1ecfng.<\/li>\n<\/ul>\n<h3>Quay t\u1edbi tr\u01b0\u1edbc v\u00e0 quay l\u1ea1i ph\u00eda sau<\/h3>\n<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng quay, m\u1ed7i ch\u1ebf \u0111\u1ed9 c\u00f3 th\u1ec3 c\u00f3 hai d\u1ea1ng. Trong <strong>ti\u1ebfn \u0111\u1ed9ng thu\u1eadn<\/strong> tr\u1ee5c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/orbit\/\">qu\u1ef9 \u0111\u1ea1o<\/a> quay theo c\u00f9ng h\u01b0\u1edbng v\u1edbi tr\u1ee5c; trong <strong>ti\u1ebfn \u0111\u1ed9ng ng\u01b0\u1ee3c<\/strong> n\u00f3 quay theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i. C\u00e1c t\u00e1c \u0111\u1ed9ng gyroscopic khi\u1ebfn c\u00e1c phi\u00ean b\u1ea3n ti\u1ebfn v\u00e0 l\u00f9i x\u1ea3y ra \u1edf c\u00e1c t\u1ea7n s\u1ed1 kh\u00e1c nhau \u2014 m\u1ed9t s\u1ef1 ph\u00e2n t\u00e1ch t\u1ea7n s\u1ed1 m\u00e0 a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/campbell-diagram\/\">Bi\u1ec3u \u0111\u1ed3 Campbell<\/a> hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng.<\/p>\n<h2>7. \u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf<\/h2>\n<h3>T\u1ed1i \u01b0u h\u00f3a Thi\u1ebft k\u1ebf<\/h3>\n<p>C\u00e1c k\u1ef9 s\u01b0 s\u1eed d\u1ee5ng ph\u00e2n t\u00edch h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9 \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb \u1ed5 tr\u1ee5c sao cho c\u00e1c antinode kh\u00f4ng r\u01a1i v\u00e0o v\u1ecb tr\u00ed \u1ed5 tr\u1ee5c, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng k\u00ednh tr\u1ee5c di chuy\u1ec3n c\u00e1c t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n ra kh\u1ecfi v\u00f9ng ho\u1ea1t \u0111\u1ed9ng, \u0111\u1ec3 ch\u1ecdn \u0111\u1ed9 c\u1ee9ng \u1ed5 tr\u1ee5c \u0111\u1ecbnh h\u00ecnh ph\u1ea3n \u1ee9ng m\u00f4-\u0111un c\u00f3 l\u1ee3i, v\u00e0 \u0111\u1ec3 th\u00eam ho\u1eb7c lo\u1ea1i b\u1ecf kh\u1ed1i l\u01b0\u1ee3ng \u1edf c\u00e1c \u0111i\u1ec3m chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 d\u1ecbch chuy\u1ec3n c\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean.<\/p>\n<h3>X\u1eed l\u00fd s\u1ef1 c\u1ed1<\/h3>\n<p>Khi hi\u1ec7n r\u00f5 vibration qu\u00e1 m\u1ee9c, nh\u00e0 ph\u00e2n t\u00edch so s\u00e1nh t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n d\u1ef1 \u0111o\u00e1n, x\u00e1c \u0111\u1ecbnh m\u00e1y c\u00f3 ch\u1ea1y g\u1ea7n c\u1ed9ng h\u01b0\u1edfng hay kh\u00f4ng, x\u00e1c \u0111\u1ecbnh ch\u1ebf \u0111\u1ed9 n\u00e0o \u0111ang \u0111\u01b0\u1ee3c k\u00edch th\u00edch, v\u00e0 ch\u1ecdn m\u1ed9t s\u1eeda \u0111\u1ed5i \u0111\u1ec3 d\u1ecbch chuy\u1ec3n ch\u1ebf \u0111\u1ed9 c\u00f3 v\u1ea5n \u0111\u1ec1 ra kh\u1ecfi t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<h3>C\u00e2n b\u1eb1ng theo mode<\/h3>\n<p><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/modal-balancing\/\">C\u00e2n b\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c<\/a> c\u1ee7a c\u00e1c rotor linh ho\u1ea1t ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c bi\u1ebft c\u00e1c h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9: m\u1ed7i ch\u1ebf \u0111\u1ed9 \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng \u0111\u1ed9c l\u1eadp, c\u00e1c tr\u1ecdng l\u01b0\u1ee3ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i \u0111\u1ec3 kh\u1edbp v\u1edbi m\u00f4 h\u00ecnh h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9, tr\u1ecdng l\u01b0\u1ee3ng \u0111\u1eb7t \u1edf c\u00e1c n\u00fat kh\u00f4ng c\u00f3 hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi ch\u1ebf \u0111\u1ed9 \u0111\u00f3, v\u00e0 c\u00e1c m\u1eb7t ph\u1eb3ng \u0111i\u1ec1u ch\u1ec9nh t\u1ed1i \u01b0u n\u1eb1m \u1edf c\u00e1c antinode.<\/p>\n<h2>8. H\u00ecnh dung v\u00e0 Truy\u1ec1n \u0111\u1ea1t<\/h2>\n<p>C\u00e1c h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y d\u01b0\u1edbi nhi\u1ec1u h\u00ecnh th\u1ee9c \u2014 c\u00e1c \u0111\u01b0\u1eddng cong \u0111\u1ed9 suy gi\u1ea3m 2D c\u1ee7a \u0111\u1ed9 suy gi\u1ea3m b\u00ean c\u1ee7a suy gi\u1ea3m b\u00ean d\u1ecdc theo v\u1ecb tr\u00ed tr\u1ee5c; c\u00e1c ho\u1ea1t \u1ea3nh c\u1ee7a tr\u1ee5c dao \u0111\u1ed9ng; c\u00e1c k\u1ebft xu\u1ea5t 3D cho h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p ho\u1eb7c gh\u00e9p n\u1ed1i; c\u00e1c b\u1ea3n \u0111\u1ed3 m\u00e0u m\u00e3 h\u00f3a \u0111\u1ed9 suy gi\u1ea3m; v\u00e0 d\u1eef li\u1ec7u tabulatory cung c\u1ea5p \u0111\u1ed9 suy gi\u1ea3m s\u1ed1 t\u1ea1i c\u00e1c tr\u1ea1m r\u1eddi r\u1ea1c.<\/p>\n<h2>9. H\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9 gh\u00e9p n\u1ed1i v\u00e0 ph\u1ee9c t\u1ea1p<\/h2>\n<h3>Li\u00ean k\u1ebft xo\u1eafn\u2014d\u1ecdc<\/h3>\n<p>Trong m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng, c\u00e1c chuy\u1ec3n \u0111\u1ed9ng u\u1ed1n (b\u00ean ngang) v\u00e0 xo\u1eafn (<a href=\"https:\/\/vibromera.eu\/vi\/glossary\/torsional-vibration\/\">xo\u1eafn<\/a>) gh\u00e9p n\u1ed1i v\u1edbi nhau \u2014 m\u1ed9t h\u00e0nh vi \u0111\u01b0\u1ee3c th\u1ea5y v\u1edbi c\u00e1c ti\u1ebft di\u1ec7n kh\u00f4ng h\u00ecnh tr\u00f2n ho\u1eb7c c\u00e1c t\u1ea3i b\u1ecb l\u1ec7ch. H\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9 sau \u0111\u00f3 bao g\u1ed3m c\u1ea3 \u0111\u1ed9 suy gi\u1ea3m b\u00ean ngang v\u00e0 xo\u1eafn g\u00f3c, v\u00e0 ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u t\u01b0\u01a1ng \u1ee9ng ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n<h3>Ch\u1ebf \u0111\u1ed9 u\u1ed1n cong k\u1ebft h\u1ee3p<\/h3>\n<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 \u0111\u1ed9 c\u1ee9ng kh\u00f4ng \u0111\u1ed1i x\u1ee9ng, c\u00e1c ch\u1ebf \u0111\u1ed9 ngang v\u00e0 d\u1ecdc gh\u00e9p n\u1ed1i; c\u00e1c h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9 tr\u1edf th\u00e0nh h\u00ecnh elip thay v\u00ec ph\u1eb3ng. \u0110i\u1ec1u n\u00e0y ph\u1ed5 bi\u1ebfn khi c\u00e1c \u1ed5 tr\u1ee5c ho\u1eb7c gi\u00e1 \u0111\u1ee1 l\u00e0 anisotropic.<\/p>\n<h2>10. Ti\u00eau chu\u1ea9n v\u00e0 H\u01b0\u1edbng d\u1eabn<\/h2>\n<p>Nhi\u1ec1u ti\u00eau chu\u1ea9n \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ph\u00e2n t\u00edch d\u1ea1ng mode. <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/api-684\/\">Ti\u00eau chu\u1ea9n API 684<\/a> cung c\u1ea5p h\u01b0\u1edbng d\u1eabn cho ph\u00e2n t\u00edch \u0111\u1ed9ng rotor, bao g\u1ed3m t\u00ednh to\u00e1n h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9; <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/iso-21940-11\/\">Ti\u00eau chu\u1ea9n ISO 21940-11<\/a> (k\u1ebf nhi\u1ec7m hi\u1ec7n \u0111\u1ea1i c\u1ee7a ISO 1940-1) tham chi\u1ebfu c\u00e1c d\u1ea1ng th\u1ebf (mode shapes) trong b\u1ed1i c\u1ea3nh c\u00e2n b\u1eb1ng roto linh ho\u1ea1t; v\u00e0 ti\u00eau chu\u1ea9n VDI 3839 c\u1ee7a \u0110\u1ee9c gi\u1ea3i quy\u1ebft c\u00e1c c\u00e2n nh\u1eafc ph\u01b0\u01a1ng th\u1ee9c cho c\u00e1c roto linh ho\u1ea1t.<\/p>\n<h2>11. M\u1ed1i Quan H\u1ec7 v\u1edbi S\u01a1 \u0110\u1ed3 Campbell v\u00e0 \u0110o L\u01b0\u1eddng T\u1ea1i Hi\u1ec7n Tr\u01b0\u1eddng<\/h2>\n<p>A <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/campbell-diagram\/\">Bi\u1ec3u \u0111\u1ed3 Campbell<\/a> v\u1ebd c\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean theo t\u1ed1c \u0111\u1ed9, m\u1ed7i \u0111\u01b0\u1eddng cong bi\u1ec3u di\u1ec5n m\u1ed9t ph\u01b0\u01a1ng th\u1ebf. D\u1ea1ng th\u1ebf ph\u00eda sau m\u1ed7i \u0111\u01b0\u1eddng cong x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 m\u1ea1nh y\u1ebfu m\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng t\u1ea1i c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau k\u00edch th\u00edch ph\u01b0\u01a1ng th\u1ebf \u0111\u00f3, v\u1ecb tr\u00ed \u0111\u1eb7t c\u1ea3m bi\u1ebfn \u0111\u1ec3 c\u00f3 \u0111\u1ed9 nh\u1ea1y t\u1ed1i \u0111a, v\u00e0 lo\u1ea1i hi\u1ec7u ch\u1ec9nh c\u00e2n b\u1eb1ng n\u00e0o s\u1ebd ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t. T\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, li\u00ean k\u1ebft th\u1ef1c t\u1ebf gi\u1eefa c\u00e1c d\u1ea1ng th\u1ebf v\u00e0 h\u00e0nh \u0111\u1ed9ng hi\u1ec7u ch\u1ec9nh l\u00e0 b\u1ed9 ph\u00e2n t\u00edch tr\u00ean b\u00e0n: khi ph\u00e2n t\u00edch d\u1ea1ng th\u1ebf x\u00e1c \u0111\u1ecbnh c\u00e1c n\u00fat ch\u1ed1ng (antinodes) l\u00e0 c\u00e1c m\u1eb7t ph\u1eb3ng hi\u1ec7u ch\u1ec9nh hi\u1ec7u qu\u1ea3, m\u1ed9t thi\u1ebft b\u1ecb hai k\u00eanh di \u0111\u1ed9ng nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> \u0111o bi\u00ean \u0111\u1ed9 1\u00d7 v\u00e0 pha t\u1ea1i c\u00e1c \u1ed5 v\u00e0 t\u00ednh to\u00e1n tr\u1ecdng l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh, cho ph\u00e9p k\u1ef9 s\u01b0 h\u00e0nh \u0111\u1ed9ng tr\u00ean ch\u00ednh nh\u1eefng m\u1eb7t ph\u1eb3ng m\u00e0 d\u1ea1ng th\u1ebf \u0111\u00e3 l\u00e0m n\u1ed5i b\u1eadt. Hi\u1ec3u c\u00e1c d\u1ea1ng th\u1ebf theo c\u00e1ch n\u00e0y chuy\u1ec3n \u0111\u1ed9ng h\u1ecdc roto t\u1eeb d\u1ef1 b\u00e1o to\u00e1n h\u1ecdc tr\u1eebu t\u01b0\u1ee3ng th\u00e0nh hi\u1ec3u bi\u1ebft v\u1eadt l\u00fd v\u1ec1 c\u00e1ch c\u00e1c m\u00e1y m\u00f3c th\u1ef1c t\u1ebf ho\u1ea1t \u0111\u1ed9ng \u2014 cho ph\u00e9p thi\u1ebft k\u1ebf t\u1ed1t h\u01a1n, kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 s\u1eafc n\u00e9t h\u01a1n v\u00e0 c\u00e2n b\u1eb1ng hi\u1ec7u qu\u1ea3 h\u01a1n cho m\u1ecdi lo\u1ea1i thi\u1ebft b\u1ecb quay.<\/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 h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9, c\u00e1c m\u1eabu \u0111\u1ed9 l\u1ec7ch \u0111\u1eb7c tr\u01b0ng c\u1ee7a tr\u1ee5c quay \u1edf t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean, r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n v\u00e0 h\u00e0nh vi linh ho\u1ea1t c\u1ee7a r\u00f4to.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-165","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/165","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\/165\/revisions"}],"predecessor-version":[{"id":101438,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/165\/revisions\/101438"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=165"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}