{"id":260,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/subharmonic\/"},"modified":"2026-07-03T10:16:34","modified_gmt":"2026-07-03T10:16:34","slug":"subharmonic","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/subharmonic\/","title":{"rendered":"S\u00f3ng h\u00e0i ph\u1ee5 trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng l\u00e0 g\u00ec?"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 Subharmonics<\/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\/260?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\/260?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\/260?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\/260?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\/260?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\/260?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\/260?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\/260?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\/260?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\/260?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\/260?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\/260?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\/260?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\/260?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>ph\u1ee5 h\u00e0i<\/strong> l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 trong m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a> <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5<\/a> x\u1ea3y ra \u1edf m\u1ed9t b\u1ed9i s\u1ed1 nguy\u00ean c\u1ee7a t\u1ea7n s\u1ed1 k\u00edch th\u00edch c\u01a1 b\u1ea3n. Trong ph\u00e2n t\u00edch m\u00e1y m\u00f3c, t\u1ea7n s\u1ed1 c\u01a1 b\u1ea3n \u0111\u00f3 h\u1ea7u nh\u01b0 lu\u00f4n l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 ch\u1ea1y (1X)<\/a>, do \u0111\u00f3 c\u00e1c s\u00f3ng ph\u1ee5 xu\u1ea5t hi\u1ec7n \u1edf c\u00e1c b\u1eadc nh\u01b0 1\/2X, 1\/3X ho\u1eb7c 1\/4X. B\u1edfi v\u00ec ch\u00fang n\u1eb1m <em>d\u01b0\u1edbi \u0111\u00e2y<\/em> th\u00e0nh ph\u1ea7n \u0111\u1ed3ng b\u1ed9 ch\u00ednh, ch\u00fang c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/sub-synchronous\/\">kh\u00f4ng \u0111\u1ed3ng b\u1ed9<\/a> dao \u0111\u1ed9ng, v\u00e0 \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u1ec9nh c\u00f3 gi\u00e1 tr\u1ecb ch\u1ea9n \u0111o\u00e1n cao nh\u1ea5t m\u00e0 nh\u00e0 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n \u2014 ch\u00fang hi\u1ebfm khi xu\u1ea5t hi\u1ec7n m\u00e0 kh\u00f4ng c\u00f3 nguy\u00ean nh\u00e2n v\u1eadt l\u00fd r\u00f5 r\u00e0ng.<\/p>\n<h2>1. \u0110\u1ecbnh ngh\u0129a: H\u1ea1 \u00e2m l\u00e0 g\u00ec?<\/h2>\n<p>\u1ede n\u01a1i b\u00ecnh th\u01b0\u1eddng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/harmonics\/\">s\u00f3ng h\u00e0i<\/a> l\u00e0 c\u00e1c b\u1ed9i s\u1ed1 nguy\u00ean c\u1ee7a t\u1ed1c \u0111\u1ed9 ch\u1ea1y (2X, 3X, 4X), th\u00ec subharmonic l\u00e0 ph\u1ea7n ngh\u1ecbch \u0111\u1ea3o: c\u00e1c ph\u00e9p chia nguy\u00ean c\u1ee7a n\u00f3. M\u1ed9t \u0111\u1ec9nh \u0111\u00fang b\u1eb1ng m\u1ed9t n\u1eeda t\u1ed1c \u0111\u1ed9 tr\u1ee5c l\u00e0 v\u00ed d\u1ee5 kinh \u0111i\u1ec3n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0 1\/2X ho\u1eb7c 0.5X. V\u00ec v\u1eady, m\u1ed9t subharmonic th\u1eadt lu\u00f4n n\u1eb1m d\u01b0\u1edbi 1X \u2014 0.5X, 0.33X, 0.25X. Trong th\u1ef1c t\u1ebf, m\u1eabu th\u00f4ng tin nh\u1ea5t kh\u00f4ng ph\u1ea3i ch\u1ec9 l\u00e0 v\u1ea1ch 1\/2X m\u00e0 l\u00e0 m\u1ed9t <strong>h\u1ecd b\u00e1n b\u1eadc<\/strong> \u2014 c\u00e1c \u0111\u1ec9nh t\u1ea1i 1\/2X, 3\/2X (1.5X) v\u00e0 5\/2X (2.5X), t\u1ea5t c\u1ea3 c\u00e1ch nhau n\u1eeda b\u1eadc. N\u00f3i ch\u00ednh x\u00e1c, ch\u1ec9 ph\u1ea7n t\u1eed 1\/2X l\u00e0 subharmonic v\u00e0 d\u01b0\u1edbi \u0111\u1ed3ng b\u1ed9; c\u00e1c ph\u1ea7n t\u1eed tr\u00ean 1X (1.5X, 2.5X, \u2026) l\u00e0 h\u00e0i b\u1eadc ph\u00e2n s\u1ed1 (b\u00e1n b\u1eadc), kh\u00f4ng ph\u1ea3i th\u00e0nh ph\u1ea7n d\u01b0\u1edbi \u0111\u1ed3ng b\u1ed9. S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a m\u1ed9t l\u01b0\u1ee3c nh\u01b0 v\u1eady l\u00e0 d\u1ea5u hi\u1ec7u kinh \u0111i\u1ec3n c\u1ee7a c\u00e1c l\u1ed7i c\u01a1 kh\u00ed c\u1ee5 th\u1ec3 ch\u1ee9 kh\u00f4ng ph\u1ea3i nhi\u1ec5u ng\u1eabu nhi\u00ean.<\/p>\n<p>C\u1ea7n ph\u00e2n bi\u1ec7t r\u00f5 gi\u1eefa th\u00e0nh ph\u1ea7n ph\u1ee5 h\u00e0i th\u1ef1c s\u1ef1 v\u00e0 th\u00e0nh ph\u1ea7n ph\u1ee5 \u0111\u1ed3ng b\u1ed9 kh\u00f4ng nguy\u00ean. M\u1ed9t \u0111\u1ec9nh \u0111\u01b0\u1ee3c kh\u00f3a ch\u00ednh x\u00e1c t\u1ea1i 0,50X l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n ph\u1ee5 h\u00e0i th\u1ef1c s\u1ef1 c\u1ee7a t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh; m\u1ed9t \u0111\u1ec9nh \u1edf m\u1ee9c, v\u00ed d\u1ee5 nh\u01b0 0,43X l\u00e0 th\u00e0nh ph\u1ea7n ph\u1ee5 \u0111\u1ed3ng b\u1ed9 nh\u01b0ng <em>kh\u00f4ng<\/em> m\u1ed9t ph\u00e2n s\u1ed1 ch\u00ednh x\u00e1c, v\u00e0 s\u1ef1 ph\u00e2n bi\u1ec7t \u0111\u00f3 ngay l\u1eadp t\u1ee9c thu h\u1eb9p danh s\u00e1ch c\u00e1c nguy\u00ean nh\u00e2n kh\u1ea3 nghi. C\u00e1c t\u1ea7n s\u1ed1 ph\u1ee5 kh\u00f4ng ph\u1ed5 bi\u1ebfn b\u1eb1ng c\u00e1c t\u1ea7n s\u1ed1 h\u00e0i, nh\u01b0ng khi ch\u00fang xu\u1ea5t hi\u1ec7n, ch\u00fang h\u1ea7u nh\u01b0 lu\u00f4n ch\u1ec9 ra m\u1ed9t trong c\u00e1c nguy\u00ean nh\u00e2n d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<h2>2. L\u1ecfng l\u1ebbo c\u01a1 h\u1ecdc \u2014 Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/h2>\n<p>Ngu\u1ed3n ch\u00ednh c\u1ee7a s\u00f3ng ph\u1ee5 1\/2X l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/looseness\/\">s\u1ef1 l\u1ecfng l\u1ebbo v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc<\/a>. Khi m\u1ed9t b\u1ed9 ph\u1eadn b\u1ecb l\u1ecfng \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 v\u00f2ng bi b\u1ecb l\u1ecfng trong v\u1ecf, khe h\u1edf do m\u00f2n ho\u1eb7c bu-l\u00f4ng l\u1eafp \u0111\u1eb7t b\u1ecb l\u1ecfng \u2014 n\u00f3 s\u1ebd g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u201cn\u1ea3y\u201d ho\u1eb7c \u201ck\u00eau l\u1ea1ch c\u1ea1ch\u201d mang t\u00ednh phi tuy\u1ebfn t\u00ednh r\u00f5 r\u1ec7t. Kho\u1ea3ng h\u1edf n\u00e0y khi\u1ebfn b\u1ed9 ph\u1eadn va \u0111\u1eadp v\u00e0o v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t c\u1ee7a n\u00f3, v\u00e0 do va \u0111\u1eadp \u0111\u00f3 c\u00f3 xu h\u01b0\u1edbng l\u1eb7p l\u1ea1i g\u1ea7n nh\u01b0 li\u00ean t\u1ee5c <em>kh\u00e1c<\/em> Khi c\u00f3 s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t, h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng v\u1edbi t\u1ea7n s\u1ed1 b\u1eb1ng m\u1ed9t n\u1eeda t\u1ea7n s\u1ed1 k\u00edch th\u00edch.<\/p>\n<p>Ph\u1ed5 k\u1ebft qu\u1ea3 cho th\u1ea5y \u0111\u1ec9nh 1X \u0111i k\u00e8m m\u1ed9t chu\u1ed7i b\u00e1n b\u1eadc t\u1ea1i 1\/2X, 3\/2X, 5\/2X, v.v. \u2014 subharmonic 1\/2X c\u00f9ng v\u1edbi c\u00e1c h\u00e0i b\u1eadc ph\u00e2n s\u1ed1 c\u1ee7a n\u00f3 tr\u00ean 1X. H\u1ecd b\u00e1n b\u1eadc \u0111\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea5u v\u00e2n tay \u0111\u00e1ng tin c\u1eady nh\u1ea5t trong ch\u1ea9n \u0111o\u00e1n rung \u0111\u1ed9ng: n\u00f3 g\u1ea7n nh\u01b0 ch\u1ec9 ra r\u00f5 r\u00e0ng hi\u1ec7n t\u01b0\u1ee3ng l\u1ecfng k\u1ebft c\u1ea5u nghi\u00eam tr\u1ecdng, v\u00e0 m\u1ee9c t\u0103ng c\u1ee7a n\u00f3 theo th\u1eddi gian ph\u1ea3n \u00e1nh m\u1ee9c \u0111\u1ed9 x\u1ea5u \u0111i c\u1ee7a m\u1ed1i gh\u00e9p. C\u00e1c \u0111\u1ec9nh b\u00e1n b\u1eadc c\u00e0ng r\u00f5 v\u00e0 c\u00e0ng nhi\u1ec1u, m\u1ed1i gh\u00e9p c\u00e0ng l\u1ecfng.<\/p>\n<h2>3. Hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a \u1ed5 tr\u1ee5c ma s\u00e1t<\/h2>\n<p>Trong c\u00e1c m\u00e1y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean m\u00e0ng ch\u1ea5t l\u1ecfng ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/journal-bearing\/\">\u1ed5 tr\u1ee5c<\/a>, dao \u0111\u1ed9ng d\u01b0\u1edbi t\u1ea7n s\u1ed1 \u0111\u1ed3ng b\u1ed9 l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o quan tr\u1ecdng v\u1ec1 s\u1ef1 m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00e0ng d\u1ea7u. \u0110\u00e2y l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/self-excited-vibration\/\">dao \u0111\u1ed9ng t\u1ef1 k\u00edch th\u00edch<\/a> \u2014 N\u0103ng l\u01b0\u1ee3ng t\u1eeb s\u1ef1 quay \u0111\u1ec1u \u0111\u1eb7n cung c\u1ea5p tr\u1ef1c ti\u1ebfp cho dao \u0111\u1ed9ng, nh\u1edd \u0111\u00f3 ch\u00fang c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea5t k\u1ef3 t\u00e1c \u0111\u1ed9ng b\u00ean ngo\u00e0i n\u00e0o.<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/oil-whirl\/\">D\u1ea7u xo\u00e1y<\/a>:<\/strong> Th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong kho\u1ea3ng t\u1eeb 0,42X \u0111\u1ebfn 0,48X t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh, d\u01b0\u1edbi d\u1ea1ng m\u1ed9t \u0111\u1ec9nh m\u1ea1nh v\u00e0 r\u00f5 r\u1ec7t ngay d\u01b0\u1edbi t\u1ea7n s\u1ed1 n\u1eeda b\u1eadc. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra khi l\u1edbp d\u1ea7u \u0111\u1ee1 tr\u1ee5c b\u1eaft \u0111\u1ea7u l\u01b0u chuy\u1ec3n (xo\u00e1y) trong khe h\u1edf \u1ed5 tr\u1ee5c, k\u00e9o theo tr\u1ee5c xoay quanh tr\u1ee5c ch\u00ednh. Do t\u1ea7n s\u1ed1 n\u00e0y n\u1eb1m h\u01a1i d\u01b0\u1edbi m\u1ee9c 0,5X thay v\u00ec ch\u00ednh x\u00e1c b\u1eb1ng n\u00f3, n\u00ean t\u1ea7n s\u1ed1 ch\u00ednh x\u00e1c ch\u00ednh l\u00e0 d\u1ea5u hi\u1ec7u ph\u00e2n bi\u1ec7t hi\u1ec7n t\u01b0\u1ee3ng xo\u00e1y v\u1edbi hi\u1ec7n t\u01b0\u1ee3ng l\u1ecfng l\u1ebbo.<\/li>\n<li><strong>D\u00e2y d\u1ea7u:<\/strong> M\u1ed9t d\u1ea1ng m\u1ea5t \u1ed5n \u0111\u1ecbnh nghi\u00eam tr\u1ecdng v\u00e0 ph\u00e1 ho\u1ea1i h\u01a1n nhi\u1ec1u. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra khi t\u1ea7n s\u1ed1 xo\u00e1y tr\u00f9ng v\u1edbi t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean th\u1ee9 nh\u1ea5t c\u1ee7a r\u00f4to, ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/critical-speed\/\">t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n<\/a>. Sau \u0111\u00f3, dao \u0111\u1ed9ng s\u1ebd \u201ckh\u00f3a ch\u1eb7t\u201d v\u00e0o t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u00f3 v\u00e0 duy tr\u00ec tr\u1ea1ng th\u00e1i n\u00e0y ngay c\u1ea3 khi t\u1ed1c \u0111\u1ed9 m\u00e1y t\u0103ng l\u00ean \u2014 \u0111\u00e2y l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m gi\u00fap ph\u00e2n bi\u1ec7t hi\u1ec7n t\u01b0\u1ee3ng dao \u0111\u1ed9ng d\u1ea1ng roi v\u1edbi hi\u1ec7n t\u01b0\u1ee3ng quay theo t\u1ed1c \u0111\u1ed9. Bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng c\u00f3 th\u1ec3 tr\u1edf n\u00ean m\u1ea1nh \u0111\u1ebfn m\u1ee9c g\u00e2y h\u01b0 h\u1ecfng \u1ed5 tr\u1ee5c ho\u1eb7c tr\u1ee5c.<\/li>\n<\/ul>\n<p>T\u1ea7n s\u1ed1 c\u1ee7a \u1ed5 tr\u1ee5c bao quanh c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t \u1ed5n \u0111\u1ecbnh n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0\u1edbc t\u00ednh tr\u01b0\u1edbc b\u1eb1ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p chuy\u00ean d\u1ee5ng <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/journal-bearing-frequencies\/\">C\u00f4ng c\u1ee5 t\u00ednh t\u1ea7n su\u1ea5t khuy\u1ebft t\u1eadt \u1ed5 tr\u1ee5c<\/a>, gi\u00fap x\u00e1c \u0111\u1ecbnh xem \u0111\u1ec9nh d\u01b0\u1edbi t\u1ea7n s\u1ed1 \u0111\u1ed3ng b\u1ed9 c\u00f3 n\u1eb1m trong d\u1ea3i xo\u00e1y hay kh\u00f4ng.<\/p>\n<h2>4. C\u00e1c ngu\u1ed3n kh\u00e1c g\u00e2y ra c\u00e1c \u0111\u1ec9nh t\u1ea7n s\u1ed1 th\u1ea5p h\u01a1n t\u1ea7n s\u1ed1 \u0111\u1ed3ng b\u1ed9<\/h2>\n<ul>\n<li><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng b\u1eb1ng d\u00e2y \u0111ai:<\/strong> M\u1ed9t d\u00e2y \u0111ai b\u1ecb m\u00f2n ho\u1eb7c h\u01b0 h\u1ecfng c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 th\u1ea5p h\u01a1n t\u1ea7n s\u1ed1 \u0111\u1ed3ng b\u1ed9, li\u00ean quan \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 quay c\u1ee7a ch\u00ednh d\u00e2y \u0111ai, v\u1ed1n th\u1ea5p h\u01a1n t\u1ed1c \u0111\u1ed9 c\u1ee7a c\u1ea3 hai puli. N\u1ebfu nghi ng\u1edd <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/belt-drives-defects\/\">C\u00e1c l\u1ed7i c\u1ee7a h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng b\u1eb1ng d\u00e2y \u0111ai<\/a> \u2014 v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/v-belt-defects\/\">C\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn d\u00e2y \u0111ai V<\/a> \u2014 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn so v\u1edbi t\u1ea7n s\u1ed1 d\u00e2y \u0111ai \u0111\u00e3 t\u00ednh to\u00e1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/belt-defect-frequencies\/\">C\u00f4ng c\u1ee5 t\u00ednh t\u1ea7n su\u1ea5t l\u1ed7i d\u00e2y \u0111ai<\/a>.<\/li>\n<li><strong>C\u00e1c t\u00e1c \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn d\u00f2ng ch\u1ea3y:<\/strong> Trong m\u00e1y b\u01a1m v\u00e0 qu\u1ea1t, n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi t\u1ea7n s\u1ed1 \u0111\u1ed3ng b\u1ed9 c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/flow-turbulence\/\">hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u lo\u1ea1n d\u00f2ng ch\u1ea3y<\/a> ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t l\u1ef1c n\u00e2ng do quay. C\u00e1c b\u1ed9 ph\u1eadn n\u00e0y th\u01b0\u1eddng l\u00e0 <em>kh\u00f4ng<\/em> c\u00e1c ph\u00e2n s\u1ed1 ch\u00ednh x\u00e1c c\u1ee7a 1X, \u0111i\u1ec1u n\u00e0y t\u1ef1 n\u00f3 \u0111\u00e3 l\u00e0 m\u1ed9t manh m\u1ed1i h\u1eefu \u00edch cho th\u1ea5y ngu\u1ed3n g\u1ed1c c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y l\u00e0 th\u1ee7y l\u1ef1c ho\u1eb7c kh\u00ed \u0111\u1ed9ng h\u1ecdc ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u01a1 h\u1ecdc. Trong m\u00e1y n\u00e9n, hi\u1ec7n t\u01b0\u1ee3ng li\u00ean quan l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/surging\/\">t\u0103ng m\u1ea1nh<\/a> c\u0169ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 ch\u1ea1y.<\/li>\n<\/ul>\n<h2>5. Ph\u00e2n t\u00edch v\u00e0 x\u00e1c nh\u1eadn<\/h2>\n<p>V\u00ec ch\u1ea9n \u0111o\u00e1n ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eefng ch\u00eanh l\u1ec7ch t\u1ea7n s\u1ed1 r\u1ea5t nh\u1ecf, nhi\u1ec7m v\u1ee5 \u0111\u1ea7u ti\u00ean l\u00e0 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c t\u1ea7n s\u1ed1 \u0111\u1ec9nh. M\u1ed9t v\u1ea1ch xu\u1ea5t hi\u1ec7n ch\u00ednh x\u00e1c \u1edf m\u1ee9c 0,50X cho th\u1ea5y r\u1ea5t r\u00f5 d\u1ea5u hi\u1ec7u l\u1ecfng l\u1ebbo; v\u1ea1ch \u1edf m\u1ee9c 0,47X g\u1ea7n nh\u01b0 ch\u1eafc ch\u1eafn l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng xo\u00e1y d\u1ea7u; c\u00f2n d\u00e3y t\u1ea7n s\u1ed1 \u0111\u1ea7y \u0111\u1ee7 1\/2X, 3\/2X, 5\/2X s\u1ebd x\u00e1c nh\u1eadn t\u00ecnh tr\u1ea1ng l\u1ecfng l\u1ebbo v\u1edbi \u0111\u1ed9 tin c\u1eady cao. Do \u0111\u00f3, \u0111\u1ed9 ph\u00e2n gi\u1ea3i ph\u1ed5 cao v\u00e0 tham chi\u1ebfu t\u1ed1c \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft, v\u00ec 0,48X v\u00e0 0,50X c\u00f3 th\u1ec3 tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau \u1edf \u0111\u1ed9 ph\u00e2n gi\u1ea3i th\u00f4.<\/p>\n<p>The <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/time-waveform\/\">d\u1ea1ng s\u00f3ng th\u1eddi gian<\/a> cung c\u1ea5p b\u1eb1ng ch\u1ee9ng x\u00e1c th\u1ef1c qu\u00fd gi\u00e1. Hi\u1ec7n t\u01b0\u1ee3ng l\u1ecfng l\u1ebbo th\u01b0\u1eddng th\u1ec3 hi\u1ec7n r\u00f5 c\u00e1c \u0111i\u1ec3m va ch\u1ea1m ho\u1eb7c b\u1ecb c\u1eaft ngang \u2014 c\u00e1c \u0111\u1ec9nh b\u1ecb d\u1eb9t ho\u1eb7c b\u1ecb c\u1eaft ng\u1eafn t\u1ea1i v\u1ecb tr\u00ed ph\u1ea7n l\u1ecfng l\u1ebbo ch\u1ea1m \u0111\u00e1y \u2014 trong khi hi\u1ec7n t\u01b0\u1ee3ng xo\u00e1y d\u1ea7u l\u1ea1i xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng t\u00edn hi\u1ec7u m\u01b0\u1ee3t m\u00e0 h\u01a1n, bi\u1ebfn \u0111\u1ed5i li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng c\u00f3 c\u00e1c \u0111i\u1ec3m va ch\u1ea1m \u0111\u1ed9t ng\u1ed9t. Trong th\u1ef1c t\u1ebf, m\u1ed9t m\u00e1y ph\u00e2n t\u00edch hai k\u00eanh c\u1ea7m tay nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> cho ph\u00e9p k\u1ef9 s\u01b0 ghi l\u1ea1i c\u1ea3 ph\u1ed5 t\u1ea7n s\u1ed1 v\u00e0 d\u1ea1ng s\u00f3ng th\u1eddi gian \u0111\u1ed3ng b\u1ed9 \u1edf t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh, nh\u1edd \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c t\u1ea7n s\u1ed1 d\u01b0\u1edbi t\u1ea7n s\u1ed1 \u0111\u1ed3ng b\u1ed9 v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m d\u1ea1ng s\u00f3ng c\u1ee7a n\u00f3 tr\u01b0\u1edbc khi l\u00ean k\u1ebf ho\u1ea1ch th\u00e1o d\u1ee1 thi\u1ebft b\u1ecb.<\/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 s\u00f3ng h\u00e0i ph\u1ee5 (1\/2X, 1\/3X, v.v.), l\u00e0 t\u1ea7n s\u1ed1 rung \u0111\u1ed9ng l\u00e0 c\u00e1c ph\u00e2n s\u1ed1 nguy\u00ean c\u1ee7a t\u1ea7n s\u1ed1 c\u01a1 b\u1ea3n, th\u01b0\u1eddng bi\u1ec3u th\u1ecb s\u1ef1 l\u1ecfng l\u1ebbo ho\u1eb7c m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00e0ng d\u1ea7u.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-260","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/260","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/260\/revisions"}],"predecessor-version":[{"id":102191,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/260\/revisions\/102191"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}