{"id":78,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/coastdown-analysis\/"},"modified":"2026-05-23T22:41:11","modified_gmt":"2026-05-23T22:41:11","slug":"coastdown-analysis","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/coastdown-analysis\/","title":{"rendered":"Ph\u00e2n t\u00edch Coastdown l\u00e0 g\u00ec? Ki\u1ec3m tra \u0111\u1ed9 rung khi t\u1eaft m\u00e1y"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 Ph\u00e2n t\u00edch Coastdown<\/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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?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\/78?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Ph\u00e2n t\u00edch Coastdown<\/strong> l\u00e0 vi\u1ec7c \u0111o l\u01b0\u1eddng v\u00e0 \u0111\u00e1nh gi\u00e1 c\u00f3 h\u1ec7 th\u1ed1ng c\u00e1c m\u00e1y m\u00f3c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a> trong qu\u00e1 tr\u00ecnh gi\u1ea3m t\u1ed1c t\u1eeb t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng xu\u1ed1ng tr\u1ea1ng th\u00e1i d\u1eebng h\u1eb3n sau khi ng\u1eaft ngu\u1ed3n. Trong to\u00e0n b\u1ed9 d\u1ea3i t\u1ed1c \u0111\u1ed9, m\u00e1y ph\u00e2n t\u00edch ghi l\u1ea1i bi\u00ean \u0111\u1ed9, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a>, V\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">n\u1ed9i dung ph\u1ed5<\/a>, \u0111\u1ec3 ch\u1ec9 v\u1edbi m\u1ed9t l\u1ea7n gi\u1ea3m t\u1ed1c t\u1ef1 do kh\u00f4ng c\u1ea5p ngu\u1ed3n c\u00f3 th\u1ec3 ghi nh\u1eadn c\u00e1ch r\u00f4to ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ecdi t\u1ed1c \u0111\u1ed9 m\u00e0 n\u00f3 ph\u1ea3i \u0111i qua. Khi di\u1ec5n gi\u1ea3i th\u00f4ng qua <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bode-plot\/\">Bi\u1ec3u \u0111\u1ed3 Bode<\/a> and <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/waterfall-plot\/\">m\u00e0n tr\u00ecnh di\u1ec5n th\u00e1c n\u01b0\u1edbc<\/a>, d\u1eef li\u1ec7u \u0111\u00f3 cho th\u1ea5y <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/critical-speed\/\">t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/natural-frequency\/\">t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/damping\/\">gi\u1ea3m ch\u1ea5n<\/a> c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m, v\u00e0 \u1edf ph\u1ea1m vi r\u1ed9ng h\u01a1n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor-dynamics\/\">\u0111\u1ed9ng h\u1ecdc c\u00e1nh qu\u1ea1t<\/a> \u0111\u1eb7c t\u00ednh v\u1eadn h\u00e0nh l\u00e0m n\u1ec1n t\u1ea3ng cho vi\u1ec7c \u0111\u01b0a v\u00e0o v\u1eadn h\u00e0nh, x\u1eed l\u00fd s\u1ef1 c\u1ed1 v\u00e0 ki\u1ec3m tra t\u00ecnh tr\u1ea1ng \u0111\u1ecbnh k\u1ef3.<\/p>\n<p>Ph\u00e2n t\u00edch Coastdown c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/run-up-analysis\/\">ph\u00e2n t\u00edch t\u0103ng t\u1ed1c<\/a>, nh\u01b0ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y mang l\u1ea1i hai \u01b0u \u0111i\u1ec3m r\u00f5 r\u1ec7t: qu\u00e1 tr\u00ecnh gi\u1ea3m t\u1ed1c di\u1ec5n ra m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean v\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1, gi\u00fap cho vi\u1ec7c ki\u1ec3m tra tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n v\u00e0 an to\u00e0n h\u01a1n; \u0111\u1ed3ng th\u1eddi, th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi m\u00e1y v\u1eabn \u0111ang \u1edf nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng ch\u1ee9 kh\u00f4ng ph\u1ea3i \u1edf tr\u1ea1ng th\u00e1i l\u1ea1nh khi m\u1edbi kh\u1edfi \u0111\u1ed9ng. \u0110\u00e2y l\u00e0 m\u1ed9t b\u00e0i ki\u1ec3m tra nghi\u1ec7m thu ti\u00eau chu\u1ea9n \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb tua-bin v\u00e0 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n \u0111\u1ecbnh k\u1ef3 c\u1ef1c k\u1ef3 h\u1eefu \u00edch \u0111\u1ec3 th\u1ef1c hi\u1ec7n trong qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng theo k\u1ebf ho\u1ea1ch <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/shutdown\/\">t\u1eaft m\u00e1y<\/a>.<\/p>\n<h2>1. Quy tr\u00ecnh th\u1eed nghi\u1ec7m<\/h2>\n<p>Th\u1eed nghi\u1ec7m coastdown kh\u00e1 \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 th\u1ef1c hi\u1ec7n nh\u01b0ng \u0111\u00f2i h\u1ecfi s\u1ef1 chu\u1ea9n b\u1ecb c\u1ea9n th\u1eadn. V\u00ec qu\u00e1 tr\u00ecnh n\u00e0y ch\u1ec9 di\u1ec5n ra m\u1ed9t l\u1ea7n v\u00e0 kh\u00f4ng th\u1ec3 t\u1ea1m d\u1eebng, n\u00ean m\u1ecdi k\u00eanh ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh v\u00e0 s\u1eb5n s\u00e0ng tr\u01b0\u1edbc khi ng\u1eaft ngu\u1ed3n.<\/p>\n<h3>S\u1ef1 chu\u1ea9n b\u1ecb<\/h3>\n<ul>\n<li><strong>C\u1ea3m bi\u1ebfn:<\/strong> l\u1eafp \u0111\u1eb7t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/accelerometer\/\">c\u1ea3m bi\u1ebfn gia t\u1ed1c<\/a> t\u1ea1i t\u1ea5t c\u1ea3 c\u00e1c v\u1ecb tr\u00ed \u1ed5 tr\u1ee5c; tr\u00ean c\u00e1c m\u00e1y m\u00f3c s\u1eed d\u1ee5ng \u1ed5 tr\u1ee5c m\u00e0ng d\u1ea7u, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/proximity-probe\/\">\u0111\u1ea7u d\u00f2 ti\u1ec7m c\u1eadn<\/a> trong m\u1ed9t c\u1eb7p t\u1ecda \u0111\u1ed9 X-Y \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 ghi l\u1ea1i chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a tr\u1ee5c m\u1ed9t c\u00e1ch tr\u1ef1c ti\u1ebfp.<\/li>\n<li><strong>Tham chi\u1ebfu t\u1ed1c \u0111\u1ed9:<\/strong> k\u1ebft n\u1ed1i m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/tachometer\/\">m\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 quay<\/a> \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 v\u00e0, quan tr\u1ecdng h\u01a1n, \u0111\u1ec3 l\u1ea5y <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a> tham chi\u1ebfu cho ph\u00e9p theo d\u00f5i bi\u00ean \u0111\u1ed9 v\u00e0 pha theo s\u1ed1 v\u00f2ng quay tr\u00ean ph\u00fat (rpm).<\/li>\n<li><strong>Thu th\u1eadp d\u1eef li\u1ec7u:<\/strong> c\u00e0i \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u0111\u1ec3 ghi li\u00ean t\u1ee5c v\u1edbi t\u1ed1c \u0111\u1ed9 l\u1ea5y m\u1eabu ph\u00f9 h\u1ee3p v\u1edbi t\u1ea7n s\u1ed1 cao nh\u1ea5t c\u1ea7n quan t\u00e2m.<\/li>\n<li><strong>K\u00edch ho\u1ea1t:<\/strong> x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t \u2014 d\u1ea3i t\u1ed1c \u0111\u1ed9 v\u00e0 th\u1eddi gian c\u1ea7n ghi l\u1ea1i.<\/li>\n<\/ul>\n<h3>Th\u1ef1c hi\u1ec7n<\/h3>\n<ol>\n<li><strong>\u1ed4n \u0111\u1ecbnh:<\/strong> gi\u1eef cho thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><strong>B\u1eaft \u0111\u1ea7u ghi d\u1eef li\u1ec7u:<\/strong> B\u1eaft \u0111\u1ea7u thu th\u1eadp d\u1eef li\u1ec7u tr\u01b0\u1edbc khi c\u00f3 b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o kh\u00e1c.<\/li>\n<li><strong>Ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n:<\/strong> t\u1eaft ngu\u1ed3n \u0111\u1ed9ng c\u01a1, ng\u1eaft nhi\u00ean li\u1ec7u tuabin ho\u1eb7c lo\u1ea1i b\u1ecf m\u00f4-men xo\u1eafn truy\u1ec1n \u0111\u1ed9ng b\u1eb1ng c\u00e1c bi\u1ec7n ph\u00e1p kh\u00e1c.<\/li>\n<li><strong>M\u00e0n h\u00ecnh:<\/strong> quan s\u00e1t s\u1ef1 rung \u0111\u1ed9ng t\u0103ng d\u1ea7n khi m\u00e1y gi\u1ea3m t\u1ed1c.<\/li>\n<li><strong>\u0110\u00e3 ghi xong:<\/strong> ti\u1ebfp t\u1ee5c ghi nh\u1eadn cho \u0111\u1ebfn khi d\u1eebng h\u1eb3n ho\u1eb7c \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 t\u1ed1i thi\u1ec3u c\u1ea7n quan t\u00e2m.<\/li>\n<li><strong>L\u01b0u d\u1eef li\u1ec7u:<\/strong> l\u01b0u tr\u1eef to\u00e0n b\u1ed9 t\u1eadp d\u1eef li\u1ec7u v\u1ec1 qu\u00e1 tr\u00ecnh gi\u1ea3m t\u1ed1c \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 so s\u00e1nh trong t\u01b0\u01a1ng lai.<\/li>\n<\/ol>\n<h3>Kho\u1ea3ng th\u1eddi gian<\/h3>\n<p>Th\u1eddi gian m\u1ed9t qu\u00e1 tr\u00ecnh coastdown k\u00e9o d\u00e0i ph\u1ee5 thu\u1ed9c v\u00e0o qu\u00e1n t\u00ednh c\u1ee7a r\u00f4to c\u0169ng nh\u01b0 l\u1ef1c ma s\u00e1t v\u00e0 l\u1ef1c c\u1ea3n gi\u00f3 l\u00e0m h\u00e3m n\u00f3. C\u00e1c \u0111\u1ed9ng c\u01a1 nh\u1ecf c\u00f3 th\u1ec3 d\u1eebng l\u1ea1i trong 30\u201360 gi\u00e2y, trong khi c\u00e1c tuabin l\u1edbn c\u00f3 th\u1ec3 m\u1ea5t 10\u201330 ph\u00fat \u0111\u1ec3 d\u1eebng h\u1eb3n. Coastdown k\u00e9o d\u00e0i h\u01a1n th\u01b0\u1eddng cho d\u1eef li\u1ec7u t\u1ed1t h\u01a1n: r\u00f4to l\u01b0u l\u1ea1i l\u00e2u h\u01a1n \u1edf t\u1eebng t\u1ed1c \u0111\u1ed9, t\u1ea1o ra nhi\u1ec1u \u0111i\u1ec3m \u0111o h\u01a1n v\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u1ed1t h\u01a1n qua c\u00e1c v\u00f9ng c\u1ed9ng h\u01b0\u1edfng quan tr\u1ecdng nh\u1ea5t.<\/p>\n<h2>2. Ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/h2>\n<p>C\u00f9ng m\u1ed9t b\u1ea3n ghi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo nhi\u1ec1u c\u00e1ch b\u1ed5 sung cho nhau, m\u1ed7i c\u00e1ch \u0111\u1ec1u nh\u1ea5n m\u1ea1nh m\u1ed9t kh\u00eda c\u1ea1nh kh\u00e1c nhau trong h\u00e0nh vi c\u1ee7a m\u00e1y.<\/p>\n<h3>T\u1ea1o bi\u1ec3u \u0111\u1ed3 Bode<\/h3>\n<ul>\n<li>T\u00ednh to\u00e1n bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9 (1\u00d7) t\u1ea1i m\u1ed7i t\u1ed1c \u0111\u1ed9 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/tracking-filter\/\">b\u1ed9 l\u1ecdc theo d\u00f5i<\/a>.<\/li>\n<li>Tr\u00edch xu\u1ea5t gi\u00e1 tr\u1ecb t\u01b0\u01a1ng \u1ee9ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase-angle\/\">g\u00f3c pha<\/a> t\u1ea1i m\u1ed7i m\u1ee9c t\u1ed1c \u0111\u1ed9.<\/li>\n<li>V\u1ebd \u0111\u1ed3 th\u1ecb bi\u1ec3u di\u1ec5n c\u1ea3 bi\u00ean \u0111\u1ed9 v\u00e0 pha theo t\u1ed1c \u0111\u1ed9.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/critical-speed\/\">T\u1ed1c \u0111\u1ed9 quan tr\u1ecdng<\/a> th\u1ec3 hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng c\u00e1c \u0111\u1ec9nh bi\u00ean \u0111\u1ed9 k\u00e8m theo m\u1ed9t s\u1ef1 chuy\u1ec3n pha \u0111\u1eb7c tr\u01b0ng \u2014 l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 g\u1ea7n 180\u00b0 t\u1ea1i \u0111i\u1ec3m c\u1ed9ng h\u01b0\u1edfng.<\/li>\n<\/ul>\n<h3>Khu v\u1ef1c th\u00e1c n\u01b0\u1edbc<\/h3>\n<ul>\n<li>T\u00ednh to\u00e1n m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">FFT<\/a> theo c\u00e1c kho\u1ea3ng t\u1ed1c \u0111\u1ed9 \u0111\u1ec1u \u0111\u1eb7n.<\/li>\n<li>X\u1ebfp ch\u1ed3ng c\u00e1c ph\u1ed5 l\u00ean nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t m\u00f4 h\u00ecnh ba chi\u1ec1u <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/waterfall-plot\/\">\u0111\u1ed3 th\u1ecb th\u00e1c n\u01b0\u1edbc<\/a>.<\/li>\n<li>C\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ed3ng b\u1ed9 t\u1ed1c \u0111\u1ed9 (1\u00d7, 2\u00d7 v\u00e0 cao h\u01a1n) <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/harmonics\/\">s\u00f3ng h\u00e0i<\/a>) di chuy\u1ec3n theo \u0111\u01b0\u1eddng ch\u00e9o khi t\u1ed1c \u0111\u1ed9 gi\u1ea3m.<\/li>\n<li>C\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 c\u1ed1 \u0111\u1ecbnh \u2014 t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a k\u1ebft c\u1ea5u \u2014 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng c\u00e1c \u0111\u01b0\u1eddng g\u1edd d\u1ecdc kh\u00f4ng thay \u0111\u1ed5i theo t\u1ed1c \u0111\u1ed9.<\/li>\n<li>C\u00e1c t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c t\u1ea1i n\u01a1i m\u1ed9t b\u1eadc \u0111\u1ed3ng b\u1ed9 c\u1eaft qua m\u1ed9t trong c\u00e1c g\u1edd t\u1ea7n s\u1ed1 c\u1ed1 \u0111\u1ecbnh \u0111\u00f3.<\/li>\n<\/ul>\n<h3>Ph\u00e2n t\u00edch qu\u1ef9 \u0111\u1ea1o<\/h3>\n<ul>\n<li>Khi \u0111\u00e3 l\u1eafp \u0111\u1eb7t c\u00e1c c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch X-Y, tr\u1ee5c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/orbit\/\">qu\u1ef9 \u0111\u1ea1o<\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i t\u1ea1o \u1edf b\u1ea5t k\u1ef3 t\u1ed1c \u0111\u1ed9 n\u00e0o.<\/li>\n<li>Qu\u1ef9 \u0111\u1ea1o thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng khi r\u00f4to \u0111i qua m\u1ed9t t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n.<\/li>\n<li>C\u1ea3 h\u01b0\u1edbng ti\u1ec1n chuy\u1ec3n l\u1eabn s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a h\u00ecnh d\u1ea1ng qu\u1ef9 \u0111\u1ea1o \u0111\u1ec1u \u0111\u01b0\u1ee3c ghi l\u1ea1i.<\/li>\n<li>K\u1ebft h\u1ee3p l\u1ea1i, nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y mang l\u1ea1i \u0111\u1eb7c t\u1ea3 n\u00e2ng cao v\u1ec1 h\u00e0nh vi \u0111\u1ed9ng l\u1ef1c h\u1ecdc r\u00f4to m\u00e0 ch\u1ec9 ri\u00eang bi\u00ean \u0111\u1ed9 v\u00f4 h\u01b0\u1edbng kh\u00f4ng th\u1ec3 cung c\u1ea5p.<\/li>\n<\/ul>\n<h2>3. Th\u00f4ng tin thu \u0111\u01b0\u1ee3c<\/h2>\n<p>M\u1ed9t ph\u00e9p \u0111o coastdown \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ed1t s\u1ebd tr\u1ea3 l\u1eddi nhi\u1ec1u c\u00e2u h\u1ecfi k\u1ef9 thu\u1eadt ri\u00eang bi\u1ec7t ch\u1ec9 trong m\u1ed9t l\u1ea7n th\u1eed nghi\u1ec7m.<\/p>\n<h3>V\u1ecb tr\u00ed c\u00e1c t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n<\/h3>\n<ul>\n<li>S\u1ed1 v\u00f2ng quay tr\u00ean ph\u00fat (rpm) ch\u00ednh x\u00e1c t\u1ea1i \u0111\u00f3 m\u1ed7i hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng x\u1ea3y ra.<\/li>\n<li>T\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n th\u1ee9 nh\u1ea5t, th\u1ee9 hai v\u00e0 th\u1ee9 ba, n\u1ebfu ch\u00fang n\u1eb1m trong ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li>So s\u00e1nh c\u00e1c gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c v\u1edbi c\u00e1c t\u00ednh to\u00e1n thi\u1ebft k\u1ebf ban \u0111\u1ea7u.<\/li>\n<li>\u0110\u00e1nh gi\u00e1 kho\u1ea3ng c\u00e1ch an to\u00e0n gi\u1eefa t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n g\u1ea7n nh\u1ea5t.<\/li>\n<\/ul>\n<h3>M\u1ee9c \u0111\u1ed9 c\u1ed9ng h\u01b0\u1edfng<\/h3>\n<ul>\n<li>\u0110\u1ed9 l\u1edbn \u0111\u1ec9nh cho bi\u1ebft h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i t\u1ea1i <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">s\u1ef1 c\u1ed9ng h\u01b0\u1edfng<\/a>.<\/li>\n<li>C\u00e1c \u0111\u1ec9nh cao \u2014 kho\u1ea3ng 5\u201310 l\u1ea7n m\u1ee9c c\u01a1 b\u1ea3n \u2014 cho th\u1ea5y \u0111\u1ed9 gi\u1ea3m ch\u1ea5n th\u1ea5p.<\/li>\n<li>M\u1ed9t \u0111\u1ec9nh s\u1eafc v\u00e0 h\u1eb9p \u0111\u00e1ng lo ng\u1ea1i h\u01a1n m\u1ed9t \u0111\u1ec9nh r\u1ed9ng v\u00e0 tho\u1ea3i.<\/li>\n<li>D\u1eef li\u1ec7u cho th\u1ea5y li\u1ec7u \u0111\u1ed9 rung c\u00f3 c\u00f2n \u1edf m\u1ee9c ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c hay kh\u00f4ng khi m\u00e1y \u0111i qua \u0111i\u1ec3m c\u1ed9ng h\u01b0\u1edfng.<\/li>\n<\/ul>\n<h3>\u0110\u1ecbnh l\u01b0\u1ee3ng gi\u1ea3m ch\u1ea5n<\/h3>\n<ul>\n<li>\u0110\u1ed9 gi\u1ea3m ch\u1ea5n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean \u0111\u1ed9 s\u1eafc n\u00e9t c\u1ee7a \u0111\u1ec9nh (ph\u01b0\u01a1ng ph\u00e1p h\u1ec7 s\u1ed1 Q).<\/li>\n<li>N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c suy ra t\u1eeb t\u1ed1c \u0111\u1ed9 ph\u00e2n r\u00e3 trong mi\u1ec1n th\u1eddi gian.<\/li>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng, h\u1ec7 s\u1ed1 gi\u1ea3m ch\u1ea5n n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,01 \u0111\u1ebfn 0,10.<\/li>\n<li>\u0110\u1ed9 gi\u1ea3m ch\u1ea5n th\u1ea5p h\u01a1n lu\u00f4n \u0111\u1ed3ng ngh\u0129a v\u1edbi c\u00e1c \u0111\u1ec9nh c\u1ed9ng h\u01b0\u1edfng cao h\u01a1n, do \u0111\u00f3 con s\u1ed1 n\u00e0y quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp m\u1ee9c rung \u0111\u1ed9ng m\u00e0 m\u1ed9t t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n t\u1ea1o ra.<\/li>\n<\/ul>\n<h2>4. \u1ee8ng d\u1ee5ng<\/h2>\n<h3>V\u1eadn h\u00e0nh th\u1eed thi\u1ebft b\u1ecb m\u1edbi<\/h3>\n<ul>\n<li>X\u00e1c nh\u1eadn ch\u1ea1y th\u1eed l\u1ea7n \u0111\u1ea7u \u0111\u1ed1i v\u1edbi m\u1ed9t m\u00e1y v\u1eeba \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t.<\/li>\n<li>X\u00e1c nh\u1eadn r\u1eb1ng c\u00e1c t\u1ed1c \u0111\u1ed9 gi\u1edbi h\u1ea1n \u0111o \u0111\u01b0\u1ee3c tr\u00f9ng kh\u1edbp v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb d\u1ef1 \u0111o\u00e1n, th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng \u00b110\u201315%.<\/li>\n<li>Ki\u1ec3m tra xem kho\u1ea3ng c\u00e1ch c\u00e1ch ly c\u00f3 \u0111\u1ee7 an to\u00e0n hay kh\u00f4ng.<\/li>\n<li>Thi\u1ebft l\u1eadp m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/baseline\/\">\u0111\u01b0\u1eddng c\u01a1 s\u1edf<\/a> \u0111\u1ec3 so s\u00e1nh sau n\u00e0y.<\/li>\n<li>\u0110\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 ki\u1ec3m th\u1eed ch\u1ea5p nh\u1eadn theo h\u1ee3p \u0111\u1ed3ng ho\u1eb7c ti\u00eau chu\u1ea9n.<\/li>\n<\/ul>\n<h3>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 rung \u0111\u1ed9ng cao<\/h3>\n<ul>\n<li>X\u00e1c \u0111\u1ecbnh xem m\u00e1y c\u00f3 \u0111ang ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 qu\u00e1 g\u1ea7n t\u1ed1c \u0111\u1ed9 gi\u1edbi h\u1ea1n hay kh\u00f4ng.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng ch\u01b0a t\u1eebng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn trong k\u1ebft c\u1ea5u ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor-bearing-system\/\">h\u1ec7 th\u1ed1ng \u1ed5 tr\u1ee5c r\u00f4to<\/a>.<\/li>\n<li>\u0110\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c thay \u0111\u1ed5i nh\u01b0 thay \u0111\u1ed5i \u1ed5 tr\u1ee5c ho\u1eb7c t\u0103ng kh\u1ed1i l\u01b0\u1ee3ng.<\/li>\n<li>So s\u00e1nh qu\u00e1 tr\u00ecnh gi\u1ea3m t\u1ed1c tr\u01b0\u1edbc v\u00e0 sau \u0111\u1ec3 x\u00e1c nh\u1eadn vi\u1ec7c s\u1eeda ch\u1eefa \u0111\u00e3 th\u00e0nh c\u00f4ng.<\/li>\n<\/ul>\n<h3>\u0110\u00e1nh gi\u00e1 s\u1ee9c kh\u1ecfe \u0111\u1ecbnh k\u1ef3<\/h3>\n<ul>\n<li>M\u1ed9t ph\u00e9p \u0111o coastdown h\u1eb1ng n\u0103m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong \u0111\u1ee3t d\u1eebng m\u00e1y theo k\u1ebf ho\u1ea1ch.<\/li>\n<li>So s\u00e1nh v\u1edbi m\u1ee9c c\u01a1 s\u1edf khi \u0111\u01b0a v\u00e0o v\u1eadn h\u00e0nh nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/condition-monitoring\/\">gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng<\/a> ch\u01b0\u01a1ng tr\u00ecnh.<\/li>\n<li>Ph\u00e1t hi\u1ec7n s\u1ef1 d\u1ecbch chuy\u1ec3n c\u1ee7a t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n, l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y nh\u1eefng thay \u0111\u1ed5i c\u01a1 h\u1ecdc nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/looseness\/\">s\u1ef1 l\u1ecfng l\u1ebbo<\/a> ho\u1eb7c s\u1ef1 thay \u0111\u1ed5i v\u1ec1 \u0111\u1ed9 c\u1ee9ng c\u1ee7a khung \u0111\u1ee1.<\/li>\n<li>Theo d\u00f5i s\u1ef1 suy gi\u1ea3m kh\u1ea3 n\u0103ng gi\u1ea3m ch\u1ea5n trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a m\u00e1y.<\/li>\n<\/ul>\n<h2>5. \u1ee8ng d\u1ee5ng c\u1ee7a Balanset-1A v\u00e0 l\u00fd do t\u1ea1i sao ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3m t\u1ed1c l\u1ea1i hi\u1ec7u qu\u1ea3 h\u01a1n ph\u01b0\u01a1ng ph\u00e1p t\u0103ng t\u1ed1c<\/h2>\n<p>Trong th\u1ef1c t\u1ebf, \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u00e9p \u0111o coastdown, ng\u01b0\u1eddi ta ch\u1ec9 c\u1ea7n nh\u1eefng thi\u1ebft b\u1ecb \u0111\u01a1n gi\u1ea3n nh\u01b0 c\u1ea3m bi\u1ebfn gia t\u1ed1c, ngu\u1ed3n tham chi\u1ebfu pha v\u00e0 m\u1ed9t b\u1ed9 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 theo d\u00f5i bi\u00ean \u0111\u1ed9 v\u00e0 pha theo t\u1ed1c \u0111\u1ed9 gi\u1ea3m d\u1ea7n. M\u1ed9t thi\u1ebft b\u1ecb c\u1ea7m tay hai k\u00eanh nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> ghi l\u1ea1i bi\u00ean \u0111\u1ed9 v\u00e0 pha \u0111\u1ed3ng b\u1ed9 trong su\u1ed1t qu\u00e1 tr\u00ecnh gi\u1ea3m t\u1ed1c v\u00e0 hi\u1ec3n th\u1ecb tr\u1ef1c ti\u1ebfp \u0111\u1ed3 th\u1ecb Bode v\u00e0 ph\u1ed5, nh\u1edd \u0111\u00f3 k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn c\u00e1c t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n v\u00e0 kho\u1ea3ng d\u1ef1 tr\u1eef t\u00e1ch bi\u1ec7t c\u1ee7a m\u00e1y ngay t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u2014 v\u00e0 khi ch\u1ea9n \u0111o\u00e1n l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a> m\u1ea5t c\u00e2n b\u1eb1ng thay v\u00ec c\u1ed9ng h\u01b0\u1edfng, h\u00e3y chuy\u1ec3n th\u1eb3ng sang <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/field-balancing\/\">c\u00e2n b\u1eb1ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/a> v\u1edbi c\u00f9ng m\u1ed9t b\u1ed9 d\u1ee5ng c\u1ee5.<\/p>\n<p>Th\u1eed nghi\u1ec7m gi\u1ea3m t\u1ed1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n so v\u1edbi ch\u1ea1y th\u1eed c\u00f3 \u0111\u1ed9ng c\u01a1 v\u00ec ba l\u00fd do sau:<\/p>\n<ul>\n<li><strong>Gi\u1ea3m t\u1ed1c kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1:<\/strong> m\u00e1y t\u1ef1 \u0111\u1ed9ng gi\u1ea3m t\u1ed1c m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean nh\u1edd ma s\u00e1t v\u00e0 l\u1ef1c c\u1ea3n kh\u00f4ng kh\u00ed, kh\u00f4ng c\u1ea7n \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n ph\u1ee9c t\u1ea1p, gi\u00fap qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/li>\n<li><strong>Thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 ch\u1eadm h\u01a1n:<\/strong> r\u00f4to l\u01b0u l\u1ea1i l\u00e2u h\u01a1n \u1edf t\u1eebng t\u1ed1c \u0111\u1ed9, cho \u0111\u1ed9 ph\u00e2n gi\u1ea3i d\u1eef li\u1ec7u t\u1ed1t h\u01a1n, nhi\u1ec1u \u0111i\u1ec3m h\u01a1n qua m\u1ed7i t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n v\u00e0 ph\u00e9p \u0111o \u0111\u1ed9 gi\u1ea3m ch\u1ea5n ch\u00ednh x\u00e1c h\u01a1n.<\/li>\n<li><strong>Th\u1eed nghi\u1ec7m trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao:<\/strong> Thi\u1ebft b\u1ecb \u0111ang \u1edf nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c \u1ed5 tr\u1ee5c \u1edf kho\u1ea3ng h\u1edf ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf, do \u0111\u00f3 c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ed9ng h\u1ecdc \u0111o \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf c\u1ee7a m\u00e1y \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t \u01b0\u1edbc l\u01b0\u1ee3ng khi m\u00e1y c\u00f2n l\u1ea1nh.<\/li>\n<\/ul>\n<h2>6. Nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u1ef1c ti\u1ec5n<\/h2>\n<h3>S\u1ef1 an to\u00e0n<\/h3>\n<ul>\n<li>Theo d\u00f5i rung \u0111\u1ed9ng li\u00ean t\u1ee5c trong qu\u00e1 tr\u00ecnh gi\u1ea3m t\u1ed1c.<\/li>\n<li>N\u1ebfu m\u1ee9c rung tr\u1edf n\u00ean qu\u00e1 cao, h\u00e3y c\u00e2n nh\u1eafc r\u00f5 r\u00e0ng gi\u1eefa d\u1eebng kh\u1ea9n c\u1ea5p v\u00e0 ti\u1ebfp t\u1ee5c cho m\u00e1y \u0111i qua v\u00f9ng c\u1ed9ng h\u01b0\u1edfng.<\/li>\n<li>Trong su\u1ed1t qu\u00e1 tr\u00ecnh, h\u00e3y \u0111\u1ea3m b\u1ea3o nh\u00e2n vi\u00ean kh\u00f4ng \u1edf g\u1ea7n thi\u1ebft b\u1ecb.<\/li>\n<li>X\u00e1c nh\u1eadn r\u1eb1ng t\u1ea5t c\u1ea3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/machinery-protection\/\">b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c<\/a> v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c h\u1ec7 th\u1ed1ng an to\u00e0n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u01b0\u1edbc khi kh\u1edfi \u0111\u1ed9ng.<\/li>\n<\/ul>\n<h3>Ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u<\/h3>\n<ul>\n<li>H\u00e3y \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh gi\u1ea3m t\u1ed1c di\u1ec5n ra \u1ed5n \u0111\u1ecbnh v\u00e0 \u00eam \u00e1i, thay v\u00ec gi\u1eadt c\u1ee5c.<\/li>\n<li>S\u1eed d\u1ee5ng t\u1ea7n s\u1ed1 l\u1ea5y m\u1eabu ph\u00f9 h\u1ee3p v\u1edbi t\u1ea7n s\u1ed1 cao nh\u1ea5t c\u1ea7n quan t\u00e2m \u0111\u1ec3 tr\u00e1nh <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/aliasing\/\">ch\u1ed3ng ph\u1ed5<\/a>.<\/li>\n<li>Duy tr\u00ec t\u00edn hi\u1ec7u m\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 quay \u1ed5n \u0111\u1ecbnh trong su\u1ed1t qu\u00e1 tr\u00ecnh \u2014 m\u1ea5t t\u00edn hi\u1ec7u s\u1ebd l\u00e0m h\u1ecfng \u0111\u01b0\u1eddng theo d\u00f5i pha.<\/li>\n<li>Thu th\u1eadp \u0111\u1ee7 s\u1ed1 li\u1ec7u trung b\u00ecnh \u1edf m\u1ed7i m\u1ee9c t\u1ed1c \u0111\u1ed9.<\/li>\n<\/ul>\n<h3>Kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i<\/h3>\n<ul>\n<li>Th\u1ef1c hi\u1ec7n v\u00e0i ph\u00e9p \u0111o coastdown \u0111\u1ec3 ki\u1ec3m ch\u1ee9ng k\u1ebft qu\u1ea3.<\/li>\n<li>H\u00e3y so s\u00e1nh ch\u00fang \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n.<\/li>\n<li>S\u1ef1 dao \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 gi\u1eefa c\u00e1c l\u1ea7n ch\u1ea1y cho th\u1ea5y \u0111i\u1ec1u ki\u1ec7n \u0111ang thay \u0111\u1ed5i ho\u1eb7c c\u00f3 v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh \u0111o l\u01b0\u1eddng, ch\u1ee9 kh\u00f4ng ph\u1ea3i do m\u00e1y m\u00f3c th\u1ef1c s\u1ef1 b\u1ecb l\u1ec7ch.<\/li>\n<\/ul>\n<p>Ph\u00e2n t\u00edch gi\u1ea3m t\u1ed1c t\u1ef1 do l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n c\u01a1 b\u1ea3n v\u1ec1 \u0111\u1ed9ng h\u1ecdc r\u00f4to, cung c\u1ea5p c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u1ec1 h\u00e0nh vi \u0111\u1ed9ng h\u1ecdc c\u1ee7a m\u00e1y m\u00f3c th\u00f4ng qua m\u1ed9t chu k\u1ef3 gi\u1ea3m t\u1ed1c t\u1ef1 nhi\u00ean duy nh\u1ea5t. C\u00e1c \u0111\u1ed3 th\u1ecb Bode v\u00e0 \u0111\u1ed3 th\u1ecb th\u00e1c n\u01b0\u1edbc thu \u0111\u01b0\u1ee3c t\u1eeb \u0111\u00f3 gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c t\u1ed1c \u0111\u1ed9 gi\u1edbi h\u1ea1n, \u0111\u1ecbnh l\u01b0\u1ee3ng m\u1ee9c \u0111\u1ed9 gi\u1ea3m ch\u1ea5n, \u0111\u1ed3ng th\u1eddi cho ph\u00e9p k\u1ef9 s\u01b0 so s\u00e1nh m\u00e1y m\u00f3c v\u1edbi c\u00e1c d\u1ef1 \u0111o\u00e1n thi\u1ebft k\u1ebf ho\u1eb7c c\u00e1c gi\u00e1 tr\u1ecb tham chi\u1ebfu l\u1ecbch s\u1eed \u2014 ch\u00ednh v\u00ec l\u00fd do n\u00e0y m\u00e0 th\u1eed nghi\u1ec7m gi\u1ea3m t\u1ed1c t\u1ef1 do l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh x\u00e1c nh\u1eadn v\u1eadn h\u00e0nh, \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng \u0111\u1ecbnh k\u1ef3 v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u1ed9ng h\u01b0\u1edfng tr\u00ean 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 ph\u00e2n t\u00edch coastdown, \u0111o \u0111\u1ed9 rung trong qu\u00e1 tr\u00ecnh gi\u1ea3m t\u1ed1c t\u1ef1 nhi\u00ean \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 quan tr\u1ecdng, \u0111\u00e1nh gi\u00e1 l\u1ef1c gi\u1ea3m ch\u1ea5n v\u00e0 m\u00f4 t\u1ea3 h\u00e0nh vi \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a r\u00f4to.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-78","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/78","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\/78\/revisions"}],"predecessor-version":[{"id":101328,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/78\/revisions\/101328"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=78"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=78"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=78"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}