{"id":298,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/vibration-analysis\/"},"modified":"2026-05-29T15:58:03","modified_gmt":"2026-05-29T15:58:03","slug":"vibration-analysis","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analysis\/","title":{"rendered":"Ph\u00e2n t\u00edch rung \u0111\u1ed9ng l\u00e0 g\u00ec? \u2013 K\u1ef9 thu\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 Ph\u00e2n t\u00edch rung \u0111\u1ed9ng (VA)<\/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\/298?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\/298?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\/298?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\/298?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\/298?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\/298?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\/298?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\/298?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\/298?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\/298?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\/298?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\/298?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\/298?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\/298?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 rung \u0111\u1ed9ng<\/strong> (VA) l\u00e0 ng\u00e0nh k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng, x\u1eed l\u00fd v\u00e0 di\u1ec5n gi\u1ea3i ch\u1eef k\u00fd rung \u0111\u1ed9ng c\u1ee7a m\u00e1y quay \u0111\u1ec3 ti\u1ebft l\u1ed9 \u0111i\u1ec1u ki\u1ec7n c\u01a1 h\u1ecdc c\u1ee7a n\u00f3. \u0110\u00f3 l\u00e0 l\u00f5i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-diagnostics\/\">ch\u1ea9n \u0111o\u00e1n rung \u0111\u1ed9ng<\/a> v\u00e0 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/predictive-maintenance\/\">b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n<\/a>. M\u1ed7i m\u00e1y ch\u1ea1y ph\u00e1t ra m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a>; ph\u00e2n t\u00edch rung \u0111\u1ed9ng x\u1eed l\u00fd t\u00edn hi\u1ec7u \u0111\u00f3 nh\u01b0 m\u1ed9t ng\u00f4n ng\u1eef, gi\u1ea3i m\u00e3 n\u00f3 \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i v\u00e0 x\u00e1c \u0111\u1ecbnh b\u1ea3n ch\u1ea5t, v\u1ecb tr\u00ed v\u00e0 m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a ch\u00fang l\u00e2u tr\u01b0\u1edbc khi ch\u00fang tr\u1edf th\u00e0nh h\u1ecfng h\u00f3c.<\/p>\n<h2>1. \u0110\u1ecbnh ngh\u0129a: Ph\u00e2n t\u00edch rung \u0111\u1ed9ng l\u00e0 g\u00ec?<\/h2>\n<p>\u1ede h\u00ecnh th\u1ee9c \u0111\u01a1n gi\u1ea3n nh\u1ea5t, ph\u00e2n t\u00edch rung \u0111\u1ed9ng l\u00e0 nghi\u00ean c\u1ee9u c\u00f3 h\u1ec7 th\u1ed1ng v\u1ec1 c\u00e1ch m\u00e1y di chuy\u1ec3n trong khi ch\u1ea1y. M\u1ed9t m\u00e1y kh\u1ecfe m\u1ea1nh t\u1ea1o ra m\u1eabu rung \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, m\u1ee9c th\u1ea5p; m\u1ed9t l\u1ed7i \u0111ang ph\u00e1t tri\u1ec3n thay \u0111\u1ed5i m\u1eabu \u0111\u00f3 theo nh\u1eefng c\u00e1ch \u0111\u1eb7c tr\u01b0ng. B\u1eb1ng c\u00e1ch n\u1eafm b\u1eaft chuy\u1ec3n \u0111\u1ed9ng b\u1eb1ng c\u1ea3m bi\u1ebfn v\u00e0 ki\u1ec3m tra n\u00f3 trong mi\u1ec1n ph\u00f9 h\u1ee3p, nh\u00e2n vi\u00ean ph\u00e2n t\u00edch c\u00f3 th\u1ec3 ph\u00e2n t\u00e1ch ch\u1eef k\u00fd l\u00e0nh t\u00ednh kh\u1ecfi d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o v\u00e0 g\u00e1n d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o \u0111\u00f3 cho m\u1ed9t nguy\u00ean nh\u00e2n c\u1ee5 th\u1ec3 \u2014 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/misalignment\/\">s\u1ef1 kh\u00f4ng th\u1eb3ng h\u00e0ng<\/a>, m\u1ed9t v\u00f2ng bi s\u1eafp h\u1ecfng, ho\u1eb7c m\u1ed9t khi\u1ebfm khuy\u1ebft c\u1ee7a b\u00e1nh r\u0103ng.<\/p>\n<p>V\u00ec n\u00f3 nh\u00ecn b\u00ean trong m\u00e1y m\u00e0 kh\u00f4ng d\u1eebng l\u1ea1i ho\u1eb7c m\u1edf n\u00f3, ph\u00e2n t\u00edch rung \u0111\u1ed9ng v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t <em>kh\u00f4ng x\u00e2m l\u1ea5n<\/em> k\u1ef9 thu\u1eadt. \u0110\u00f3 l\u00e0 \u0111i\u1ec1u l\u00e0m cho n\u00f3 tr\u1edf n\u00ean qu\u00fd gi\u00e1 nh\u01b0 v\u1eady \u0111\u1ed1i v\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/condition-monitoring\/\">gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng<\/a>: m\u1ed9t ph\u00e9p \u0111o duy nh\u1ea5t, th\u1ef1c hi\u1ec7n trong v\u00e0i gi\u00e2y \u1edf t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng, c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn s\u1ee9c kh\u1ecfe ho\u1eb7c ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1 tr\u00ean thi\u1ebft b\u1ecb ph\u1ea3i duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t.<\/p>\n<h2>2. Analysis vs. Monitoring: Diagnosing the Cause<\/h2>\n<p>C\u00e1c thu\u1eadt ng\u1eef <em>gi\u00e1m s\u00e1t rung \u0111\u1ed9ng<\/em> and <em>Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/em> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau, nh\u01b0ng ch\u00fang tr\u1ea3 l\u1eddi hai c\u00e2u h\u1ecfi kh\u00e1c nhau. <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-monitoring\/\">Gi\u00e1m s\u00e1t rung \u0111\u1ed9ng<\/a> theo d\u00f5i m\u1ee9c \u0111\u1ed9 t\u1ed5ng th\u1ec3 theo th\u1eddi gian v\u00e0 ph\u00e1t hi\u1ec7n <em>c\u00e1i \u0111\u00f3<\/em> \u0111i\u1ec1u g\u00ec \u0111\u00f3 \u0111\u00e3 thay \u0111\u1ed5i \u2014 \u0111\u00f3 l\u00e0 m\u1ed9t vai tr\u00f2 gi\u00e1m s\u00e1t, theo d\u00f5i xu h\u01b0\u1edbng m\u1ed9t con s\u1ed1 tr\u00ean nhi\u1ec1u m\u00e1y m\u00f3c v\u00e0 ph\u00e1t c\u1ea3nh b\u00e1o khi m\u1ed9t ch\u1ec9 s\u1ed1 l\u1ec7ch kh\u1ecfi l\u1ecbch s\u1eed c\u1ee7a n\u00f3. Ph\u00e2n t\u00edch ti\u1ebfp qu\u1ea3n t\u1eeb \u0111\u00f3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh <em>T\u1ea1i sao<\/em>.<\/p>\n<p>N\u00f3i m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng: gi\u00e1m s\u00e1t ph\u00e1t hi\u1ec7n s\u1ef1 thay \u0111\u1ed5i; ph\u00e2n t\u00edch ch\u1ea9n \u0111o\u00e1n nguy\u00ean nh\u00e2n c\u1ee7a n\u00f3. N\u01a1i m\u1ed9t h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t c\u00f3 th\u1ec3 ch\u1ec9 b\u00e1o c\u00e1o r\u1eb1ng v\u1eadn t\u1ed1c t\u1ea1i m\u1ed9t v\u00f2ng bi \u0111\u00e3 t\u0103ng g\u1ea5p \u0111\u00f4i, nh\u00e0 ph\u00e2n t\u00edch m\u1edf c\u1eeda t\u1ea7n s\u1ed1 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5<\/a> v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/time-waveform\/\">d\u1ea1ng s\u00f3ng th\u1eddi gian<\/a> \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh xem li\u1ec7u vi\u1ec7c t\u0103ng n\u00e0y l\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng, ch\u00e2n t\u00e1n x\u1ea1 hay giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean c\u1ee7a h\u01b0 h\u1ea1i v\u00f2ng bi. Hai ho\u1ea1t \u0111\u1ed9ng b\u1ed5 sung nhau trong n\u1eeda m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u2014 gi\u00e1m s\u00e1t h\u1ea1n ch\u1ebf d\u00e2n s\u1ed1 c\u1ee7a c\u00e1c m\u00e1y m\u00f3c nghi v\u1ea5n th\u00e0nh m\u1ed9t s\u1ed1 \u00edt, v\u00e0 ph\u00e2n t\u00edch gi\u1ea3i quy\u1ebft t\u1eebng c\u00e1i th\u00e0nh m\u1ed9t l\u1ed7i c\u00f3 t\u00ean, h\u00e0nh \u0111\u1ed9ng.<\/p>\n<h2>3. C\u1ed1t l\u00f5i c\u1ee7a Ph\u00e2n t\u00edch Rung \u0111\u1ed9ng: FFT<\/h2>\n<p>M\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u k\u1ef9 thu\u1eadt t\u1ed3n t\u1ea1i, ph\u00e2n t\u00edch rung \u0111\u1ed9ng hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean <strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">Bi\u1ebfn \u0111\u1ed5i Fourier nhanh (FFT)<\/a><\/strong>. FFT l\u00e0 m\u1ed9t thu\u1eadt to\u00e1n hi\u1ec7u qu\u1ea3 cao, th\u1ef1c hi\u1ec7n m\u1ed9t ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/time-waveform\/\">d\u1ea1ng s\u00f3ng th\u1eddi gian<\/a> \u2014 m\u1ed9t v\u1ebft l\u01b0\u1ee3n s\u00f3ng c\u1ee7a \u0111\u1ed9 d\u1ecbch chuy\u1ec3n, v\u1eadn t\u1ed1c ho\u1eb7c gia t\u1ed1c theo th\u1eddi gian r\u1ea5t kh\u00f3 di\u1ec5n gi\u1ea3i b\u1eb1ng m\u1eaft \u2014 v\u00e0 ph\u00e2n t\u00e1ch n\u00f3 th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 ri\u00eang l\u1ebb.<\/p>\n<p>K\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5<\/a>: m\u1ed9t bi\u1ec3u \u0111\u1ed3 v\u1ebd <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/amplitude\/\">bi\u00ean \u0111\u1ed9<\/a> c\u1ee7a rung \u0111\u1ed9ng so v\u1edbi m\u1ed7i <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/frequency\/\">T\u00ednh th\u01b0\u1eddng xuy\u00ean<\/a> c\u1ee5 th\u1ec3 c\u00f3 trong t\u00edn hi\u1ec7u. Ph\u1ed5 n\u00e0y l\u00e0 c\u00f4ng c\u1ee5 m\u1ea1nh nh\u1ea5t c\u1ee7a nh\u00e2n vi\u00ean ph\u00e2n t\u00edch, v\u00ec c\u00e1c l\u1ed7i c\u01a1 kh\u00ed v\u00e0 \u0111i\u1ec7n kh\u00e1c nhau xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng c\u00e1c m\u1eabu v\u00e0 \u0111\u1ec9nh kh\u00e1c bi\u1ec7t tr\u00ean \u0111\u00f3. Logic l\u00e0 tr\u1ef1c ti\u1ebfp: g\u1ea7n nh\u01b0 m\u1ecdi l\u1ed7i k\u00edch th\u00edch m\u1ed9t t\u1ea7n s\u1ed1 li\u00ean k\u1ebft v\u1edbi m\u1ed9t s\u1ef1 ki\u1ec7n v\u1eadt l\u00fd trong m\u00e1y, v\u00ec v\u1eady m\u1ea5t c\u00e2n b\u1eb1ng hi\u1ec3n th\u1ecb \u1edf 1\u00d7 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh<\/a>, sai tr\u1ee5c th\u00eam n\u0103ng l\u01b0\u1ee3ng \u1edf 2\u00d7, v\u00e0 c\u00e1c khi\u1ebfm khuy\u1ebft c\u1ee7a ph\u1ea7n t\u1eed l\u0103n xu\u1ea5t hi\u1ec7n t\u1ea1i <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-fault-frequencies\/\">t\u1ea7n s\u1ed1 l\u1ed7i \u1ed5 tr\u1ee5c<\/a>c\u1ee7a ch\u00fang. \u0110\u1ecdc nh\u1eefng \u0111\u1ec9nh \u0111\u00f3 l\u00e0 b\u1ea3n ch\u1ea5t c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectral-analysis\/\">ph\u00e2n t\u00edch ph\u1ed5<\/a>.<\/p>\n<h2>4. \u0110\u1ecdc Quang ph\u1ed5: T\u1ea7n s\u1ed1 L\u1ed7i \u0110\u1eb7c tr\u01b0ng<\/h2>\n<p>S\u1ee9c m\u1ea1nh ch\u1ea9n \u0111o\u00e1n c\u1ee7a ph\u00e2n t\u00edch rung \u0111\u1ed9ng xu\u1ea5t ph\u00e1t t\u1eeb th\u1ef1c t\u1ebf r\u1eb1ng m\u1ed7i l\u1ed7i ph\u1ed5 bi\u1ebfn k\u00edch th\u00edch rung \u0111\u1ed9ng \u1edf m\u1ed9t t\u1ea7n s\u1ed1 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng b\u1ed9i s\u1ed1 c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh<\/a> (1\u00d7 = m\u1ed9t l\u1ea7n m\u1ed7i v\u00f2ng quay). Nh\u1eadn d\u1ea1ng v\u1ecb tr\u00ed m\u00e0 n\u0103ng l\u01b0\u1ee3ng xu\u1ea5t hi\u1ec7n trong quang ph\u1ed5 l\u00e0 nh\u1eefng g\u00ec bi\u1ebfn m\u1ed9t ph\u00e9p \u0111o th\u00e0nh ch\u1ea9n \u0111o\u00e1n. C\u00e1c ch\u1eef k\u00fd quan tr\u1ecdng nh\u1ea5t l\u00e0:<\/p>\n<ul>\n<li><strong>M\u1ea5t c\u00e2n b\u1eb1ng \u2014 dominant 1\u00d7.<\/strong> M\u1ed9t \u0111i\u1ec3m n\u1eb7ng quay v\u1edbi tr\u1ee5c v\u00e0 t\u1ea1o ra m\u1ed9t \u0111\u1ec9nh duy nh\u1ea5t, m\u1ea1nh m\u1ebd \u1edf ch\u00ednh x\u00e1c t\u1ed1c \u0111\u1ed9 ch\u1ea1y, ch\u1ee7 y\u1ebfu theo h\u01b0\u1edbng xuy\u00ean t\u00e2m. M\u1ed9t \u0111\u1ec9nh 1\u00d7 s\u1ea1ch s\u1ebd ph\u00e1t tri\u1ec3n theo th\u1eddi gian l\u00e0 ch\u1eef k\u00fd kinh \u0111i\u1ec3n c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a>.<\/li>\n<li><strong>L\u1ec7ch tr\u1ee5c \u2014 \u0111\u1ec9nh m\u1ea1nh \u1edf 2\u00d7 (th\u01b0\u1eddng k\u00e8m theo 1\u00d7 v\u00e0 3\u00d7).<\/strong> <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/misalignment\/\">S\u1ef1 kh\u00f4ng th\u1eb3ng h\u00e0ng<\/a> gi\u1eefa c\u00e1c tr\u1ee5c gh\u00e9p n\u1ed1i th\u01b0\u1eddng n\u00e2ng l\u00ean m\u1ed9t \u0111\u1ec9nh n\u1ed5i b\u1eadt \u1edf hai l\u1ea7n t\u1ed1c \u0111\u1ed9 ch\u1ea1y, th\u01b0\u1eddng xuy\u00ean c\u00f3 rung \u0111\u1ed9ng tr\u1ee5c l\u1edbn \u2014 m\u1ed9t s\u1ef1 ph\u00e2n bi\u1ec7t ch\u00ednh so v\u1edbi m\u1ea5t c\u00e2n b\u1eb1ng, ch\u1ee7 y\u1ebfu l\u00e0 xuy\u00ean t\u00e2m.<\/li>\n<li><strong>L\u1ecfng c\u01a1 kh\u00ed \u2014 m\u1ed9t lo\u1ea1t c\u00e1c harmonics t\u1ed1c \u0111\u1ed9 ch\u1ea1y.<\/strong> <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/looseness\/\">S\u1ef1 l\u1ecfng l\u1ebbo<\/a> t\u1ea1o ra m\u1ed9t h\u00e0ng c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/harmonics\/\">s\u00f3ng h\u00e0i<\/a> (1\u00d7, 2\u00d7, 3\u00d7, 4\u00d7 v\u00e0 cao h\u01a1n), v\u00e0 \u0111\u00f4i khi c\u00f3 c\u00e1c th\u00e0nh ph\u1ea7n b\u1eadc n\u1eeda (0,5\u00d7), do kh\u1edbp n\u1ed1i phi tuy\u1ebfn l\u00e0m c\u1eaft v\u00e0 l\u00e0m m\u00e9o d\u1ea1ng s\u00f3ng.<\/li>\n<li><strong>Khuy\u1ebft t\u1eadt v\u00f2ng bi cu\u1ed9n \u2014 t\u1ea7n s\u1ed1 l\u1ed7i v\u00f2ng bi kh\u00f4ng \u0111\u1ed3ng b\u1ed9.<\/strong> M\u1ed9t v\u1ebft h\u01b0 t\u1ed5n tr\u00ean \u0111\u01b0\u1eddng ch\u1ea1y ngo\u00e0i, \u0111\u01b0\u1eddng ch\u1ea1y trong, ph\u1ea7n t\u1eed cu\u1ed9n ho\u1eb7c l\u1ed3ng t\u1ea1o ra rung \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 c\u00f3 th\u1ec3 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c, b\u1ed9i s\u1ed1 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean c\u1ee7a t\u1ed1c \u0111\u1ed9 ch\u1ea1y \u2014 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-fault-frequencies\/\">t\u1ea7n s\u1ed1 l\u1ed7i \u1ed5 tr\u1ee5c<\/a>. C\u00e1c khuy\u1ebft t\u1eadt s\u1edbm r\u1ea5t y\u1ebfu v\u00e0 ch\u1ea1y tr\u00ean m\u1ed9t s\u00f3ng mang t\u1ea7n s\u1ed1 cao, v\u00ec v\u1eady ch\u00fang \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac t\u1ed1t nh\u1ea5t b\u1eb1ng ph\u00e2n t\u00edch bao (demodulation).<\/li>\n<li><strong>B\u00e1nh r\u0103ng \u2014 t\u1ea7n s\u1ed1 l\u01b0\u1edbi b\u00e1nh r\u0103ng v\u00e0 sidebands.<\/strong> M\u1ed9t c\u1eb7p b\u00e1nh r\u0103ng rung \u0111\u1ed9ng \u1edf <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/gear-mesh-frequency\/\">t\u1ea7n s\u1ed1 m\u1eaft l\u01b0\u1edbi b\u00e1nh r\u0103ng<\/a> (s\u1ed1 l\u01b0\u1ee3ng r\u0103ng \u00d7 t\u1ed1c \u0111\u1ed9 tr\u1ee5c). M\u1ed9t chi\u1ebfc r\u0103ng h\u1ecfng ho\u1eb7c n\u1ee9t \u0111i\u1ec1u ch\u1ebf \u0111\u1ec9nh \u0111\u00f3, t\u1ea1o ra sidebands c\u00e1ch nhau \u1edf t\u1ed1c \u0111\u1ed9 ch\u1ea1y c\u1ee7a tr\u1ee5c b\u1ecb l\u1ed7i \u1edf hai b\u00ean t\u1ea7n s\u1ed1 l\u01b0\u1edbi.<\/li>\n<li><strong>S\u1ef1 c\u1ed1 \u0111i\u1ec7n \u2014 g\u1ea5p \u0111\u00f4i t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n.<\/strong> C\u00e1c v\u1ea5n \u0111\u1ec1 trong \u0111\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ef1 c\u1ed1 kho\u1ea3ng kh\u00f4ng kh\u00ed ho\u1eb7c thanh rotor, th\u01b0\u1eddng khi\u1ebfn n\u0103ng l\u01b0\u1ee3ng xu\u1ea5t hi\u1ec7n \u1edf t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n c\u1ea5p (line frequency) g\u1ea5p \u0111\u00f4i, ph\u00e2n bi\u1ec7t ch\u00fang v\u1edbi c\u00e1c ngu\u1ed3n c\u01a1 h\u1ecdc thu\u1ea7n t\u00fay.<\/li>\n<\/ul>\n<p>B\u1edfi v\u00ec nh\u1eefng m\u1ed1i quan h\u1ec7 n\u00e0y thay \u0111\u1ed5i theo t\u1ed1c \u0111\u1ed9, nh\u00e0 ph\u00e2n t\u00edch l\u00e0m vi\u1ec7c tr\u00ean m\u00e1y c\u00f3 t\u1ed1c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i th\u01b0\u1eddng chuy\u1ec3n sang <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/order-analysis\/\">ph\u00e2n t\u00edch \u0111\u01a1n h\u00e0ng<\/a>, bi\u1ec3u di\u1ec5n ph\u1ed5 t\u1ea7n s\u1ed1 theo b\u1eadc (b\u1ed9i s\u1ed1 c\u1ee7a t\u1ed1c \u0111\u1ed9 ch\u1ea1y) thay v\u00ec hertz tuy\u1ec7t \u0111\u1ed1i, do \u0111\u00f3 c\u00e1c \u0111\u1ec9nh s\u1ef1 c\u1ed1 lu\u00f4n c\u1ed1 \u0111\u1ecbnh khi m\u00e1y t\u0103ng t\u1ed1c.<\/p>\n<h2>5. C\u00e1c k\u1ef9 thu\u1eadt ch\u00ednh trong Ph\u00e2n t\u00edch Rung \u0111\u1ed9ng<\/h2>\n<p>Ph\u00e2n t\u00edch rung \u0111\u1ed9ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng duy nh\u1ea5t m\u00e0 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c k\u1ef9 thu\u1eadt chuy\u00ean bi\u1ec7t, m\u1ed7i k\u1ef9 thu\u1eadt cung c\u1ea5p m\u1ed9t c\u00e1ch nh\u00ecn kh\u00e1c nhau v\u1ec1 s\u1ee9c kh\u1ecfe c\u1ee7a m\u00e1y. M\u1ed9t nh\u00e2n vi\u00ean ph\u00e2n t\u00edch c\u00f3 k\u1ef9 n\u0103ng k\u1ebft h\u1ee3p m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t k\u1ef9 thu\u1eadt:<\/p>\n<ul>\n<li><strong>Gi\u00e1m s\u00e1t m\u1ee9c \u0111\u1ed9 t\u1ed5ng th\u1ec3:<\/strong> h\u00ecnh th\u1ee9c VA \u0111\u01a1n gi\u1ea3n nh\u1ea5t, trong \u0111\u00f3 m\u1ed9t gi\u00e1 tr\u1ecb duy nh\u1ea5t \u2014 th\u01b0\u1eddng l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rms\/\">RMS<\/a> v\u1eadn t\u1ed1c \u0111\u1ea1i di\u1ec7n cho t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng rung \u0111\u1ed9ng \u2014 \u0111\u01b0\u1ee3c theo d\u00f5i theo th\u1eddi gian. M\u1ed9t s\u1ef1 gia t\u0103ng \u0111\u1ed9t ng\u1ed9t b\u00e1o hi\u1ec7u m\u1ed9t v\u1ea5n \u0111\u1ec1 nh\u01b0ng kh\u00f4ng ti\u1ebft l\u1ed9 nguy\u00ean nh\u00e2n c\u1ee7a n\u00f3; n\u00f3 l\u00e0 m\u1ed9t c\u1ea3nh b\u00e1o, kh\u00f4ng ph\u1ea3i m\u1ed9t ch\u1ea9n \u0111o\u00e1n.<\/li>\n<li><strong>Ph\u00e2n t\u00edch quang ph\u1ed5:<\/strong> ki\u1ec3m tra chi ti\u1ebft ph\u1ed5 FFT \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c t\u1ea7n s\u1ed1 rung \u0111\u1ed9ng v\u00e0 t\u1eeb \u0111\u00f3 ch\u1ea9n \u0111o\u00e1n nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5, ph\u00e2n bi\u1ec7t s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng v\u1edbi sai k\u1ef9 thu\u1eadt, l\u1ecfng l\u1ebbo ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111i\u1ec7n.<\/li>\n<li><strong>Ph\u00e2n t\u00edch d\u1ea1ng s\u00f3ng th\u1eddi gian:<\/strong> ph\u00e2n t\u00edch tr\u1ef1c ti\u1ebfp c\u1ee7a t\u00edn hi\u1ec7u th\u00f4 theo th\u1eddi gian, \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c s\u1ef1 ki\u1ec7n t\u1ee9c th\u1eddi, nh\u1eefng t\u00e1c \u0111\u1ed9ng, v\u00e0 c\u00e1c h\u00e0nh vi phi tuy\u1ebfn t\u00ednh nh\u1ea5t \u0111\u1ecbnh kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng r\u00f5 r\u00e0ng trong ph\u1ed5.<\/li>\n<li><strong>Ph\u00e2n t\u00edch pha:<\/strong> \u0111o l\u01b0\u1eddng th\u1eddi gian t\u01b0\u01a1ng \u0111\u1ed1i gi\u1eefa t\u00edn hi\u1ec7u rung \u0111\u1ed9ng v\u00e0 m\u1ed9t \u0111i\u1ec3m tham chi\u1ebfu nh\u01b0 xung quay m\u1ed9t l\u1ea7n m\u1ed7i v\u00f2ng. <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">Pha<\/a> l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu cho c\u00e1c l\u1ea7n c\u00e2n b\u1eb1ng \u0111\u01a1n l\u1ebb <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/balancing\/\">c\u00e2n b\u1eb1ng<\/a>, \u0111\u1ec3 x\u00e1c nh\u1eadn sai k\u1ef9 thu\u1eadt, v\u00e0 \u0111\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c l\u1ed7i tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau v\u1ec1 bi\u00ean \u0111\u1ed9 ri\u00eang l\u1ebb.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/envelope-analysis\/\">Ph\u00e2n t\u00edch bao t\u00edn hi\u1ec7u<\/a>:<\/strong> m\u1ed9t k\u1ef9 thu\u1eadt x\u1eed l\u00fd t\u00edn hi\u1ec7u gi\u1ea3i \u0111i\u1ec1u ch\u1ebf s\u00f3ng mang t\u1ea7n s\u1ed1 cao \u0111\u1ec3 l\u1ed9 ra c\u00e1c t\u00e1c \u0111\u1ed9ng l\u1eb7p l\u1ea1i n\u0103ng l\u01b0\u1ee3ng th\u1ea5p \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u00e1c l\u1ed7i v\u00f2ng bi l\u0103n v\u00e0 b\u00e1nh r\u0103ng giai \u0111o\u1ea1n s\u1edbm.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/modal-analysis\/\">Ph\u00e2n t\u00edch modal<\/a> and <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/ods-analysis\/\">Ph\u00e2n t\u00edch ODS<\/a>:<\/strong> c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e2ng cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3u \u0111\u1eb7c t\u00ednh rung \u0111\u1ed9ng k\u1ebft c\u1ea5u c\u1ee7a m\u1ed9t m\u00e1y ho\u1eb7c n\u1ec1n m\u00f3ng c\u1ee7a n\u00f3, ch\u1ee7 y\u1ebfu \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">s\u1ef1 c\u1ed9ng h\u01b0\u1edfng<\/a> v\u1ea5n \u0111\u1ec1.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/order-analysis\/\">Ph\u00e2n t\u00edch b\u1eadc<\/a>:<\/strong> M\u1ed9t phi\u00ean b\u1ea3n c\u1ea3i ti\u1ebfn c\u1ee7a ph\u00e2n t\u00edch ph\u1ed5 d\u00e0nh cho m\u00e1y m\u00f3c thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y tr\u00ecnh b\u00e0y ph\u1ed5 theo d\u1ea1ng &quot;b\u1eadc&quot; (b\u1ed9i s\u1ed1 c\u1ee7a t\u1ed1c \u0111\u1ed9 ch\u1ea1y) thay v\u00ec t\u1ea7n s\u1ed1 tuy\u1ec7t \u0111\u1ed1i (Hz).<\/li>\n<\/ul>\n<h2>6. D\u1ea1ng s\u00f3ng theo th\u1eddi gian so v\u1edbi Ph\u1ed5 t\u1ea7n s\u1ed1: Hai g\u00f3c nh\u00ecn c\u1ee7a m\u1ed9t t\u00edn hi\u1ec7u<\/h2>\n<p>Ph\u1ed5 t\u1ea7n s\u1ed1 r\u1ea5t m\u1ea1nh m\u1ebd, nh\u01b0ng \u0111\u00f3 l\u00e0 m\u1ed9t g\u00f3c nh\u00ecn d\u1eabn xu\u1ea5t \u2014 FFT gi\u1ea3 \u0111\u1ecbnh t\u00edn hi\u1ec7u l\u1eb7p l\u1ea1i v\u00e0 t\u00ednh trung b\u00ecnh n\u0103ng l\u01b0\u1ee3ng v\u00e0o c\u00e1c kho\u1ea3ng t\u1ea7n s\u1ed1, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 che gi\u1ea5u c\u00e1c s\u1ef1 ki\u1ec7n ng\u1eafn h\u1ea1n v\u00e0 b\u1ea5t th\u01b0\u1eddng. D\u1ea1ng s\u00f3ng th\u00f4 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/time-waveform\/\">d\u1ea1ng s\u00f3ng th\u1eddi gian<\/a> gi\u1eef l\u1ea1i nh\u1eefng g\u00ec ph\u1ed5 t\u1ea7n s\u1ed1 l\u00e0m m\u1ecbn, v\u00e0 hai c\u00e1i n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ecdc c\u00f9ng nhau ch\u1ee9 kh\u00f4ng c\u00f4 l\u1eadp.<\/p>\n<p>D\u1ea1ng s\u00f3ng l\u00e0 g\u00f3c nh\u00ecn t\u1ed1t h\u01a1n cho c\u00e1c t\u00e1c \u0111\u1ed9ng t\u1ee9c th\u1eddi, ma s\u00e1t, v\u00e0 nh\u1ecbp \u0111\u1ed9 gi\u1eefa hai t\u1ea7n s\u1ed1 g\u1ea7n nhau, c\u0169ng nh\u01b0 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 li\u1ec7u t\u00edn hi\u1ec7u c\u00f3 h\u00ecnh sin (\u0111i\u1ec3n h\u00ecnh c\u1ee7a m\u1ea5t c\u00e2n b\u1eb1ng) hay s\u1eafc n\u00e9t v\u00e0 b\u1ea5t th\u00ecnh l\u00ecnh (\u0111i\u1ec3n h\u00ecnh c\u1ee7a l\u1ecfng l\u1ebbo ho\u1eb7c khi\u1ebfm khuy\u1ebft \u1ed5 tr\u1ee5c). M\u1ed9t quy tr\u00ecnh th\u1ef1c ti\u1ec5n l\u00e0 s\u1eed d\u1ee5ng ph\u1ed5 t\u1ea7n s\u1ed1 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh <em>\u0111\u00f3 l\u00e0<\/em> t\u1ea7n s\u1ed1 ch\u1ee9a n\u0103ng l\u01b0\u1ee3ng, sau \u0111\u00f3 quay l\u1ea1i d\u1ea1ng s\u00f3ng \u0111\u1ec3 xem <em>L\u00e0m sao<\/em> n\u0103ng l\u01b0\u1ee3ng \u0111\u00f3 \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i nh\u01b0 th\u1ebf n\u00e0o \u2014 su\u00f4n s\u1ebb, trong c\u00e1c xung tu\u1ea7n ho\u00e0n, hay nh\u01b0 c\u00e1c qu\u00e1 \u0111\u1ed9 ng\u1eabu nhi\u00ean. K\u1ebft h\u1ee3p c\u1ea3 hai mi\u1ec1n l\u00e0 \u0111i\u1ec1u ph\u00e2n bi\u1ec7t ch\u1ea9n \u0111o\u00e1n t\u1ef1 tin t\u1eeb m\u1ed9t ph\u1ecfng \u0111o\u00e1n d\u1ef1a tr\u00ean m\u1ed9t \u0111\u1ec9nh duy nh\u1ea5t.<\/p>\n<h2>7. Quy tr\u00ecnh Ph\u00e2n t\u00edch Rung \u0111\u1ed9ng<\/h2>\n<p>Ch\u1ea9n \u0111o\u00e1n c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i theo m\u1ed9t chu\u1ed7i nh\u1ea5t qu\u00e1n ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb m\u1ed9t l\u1ea7n \u0111\u1ecdc duy nh\u1ea5t:<\/p>\n<ul>\n<li><strong>Thu th\u1eadp ng\u1eef c\u1ea3nh m\u00e1y m\u00f3c.<\/strong> Ghi ch\u00fa t\u1ed1c \u0111\u1ed9 ch\u1ea1y, lo\u1ea1i \u1ed5 tr\u1ee5c, s\u1ed1 r\u0103ng b\u00e1nh r\u0103ng, s\u1eafp x\u1ebfp truy\u1ec1n \u0111\u1ed9ng, v\u00e0 t\u1ea3i tr\u1ecdng. C\u00e1c t\u1ea7n s\u1ed1 s\u1ef1 c\u1ed1 tr\u00ean kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb trong ph\u1ed5 t\u1ea7n s\u1ed1 m\u00e0 kh\u00f4ng c\u00f3 nh\u1eefng d\u1eef ki\u1ec7n c\u01a1 b\u1ea3n n\u00e0y.<\/li>\n<li><strong>L\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn \u0111\u00fang c\u00e1ch.<\/strong> M\u1ed8T <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/accelerometer\/\">c\u1ea3m bi\u1ebfn gia t\u1ed1c<\/a> g\u1eafn ch\u1eb7t v\u00e0o v\u1ecf \u1ed5 tr\u1ee5c, t\u1ea1i c\u00f9ng m\u1ed9t \u0111i\u1ec3m m\u1ed7i l\u1ea7n, theo \u0111\u00fang h\u01b0\u1edbng \u0111o, l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a d\u1eef li\u1ec7u c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i.<\/li>\n<li><strong>Thu th\u1eadp m\u1ee9c t\u1ed5ng th\u1ec3, ph\u1ed5 t\u1ea7n s\u1ed1, d\u1ea1ng s\u00f3ng v\u00e0 pha.<\/strong> Ghi l\u1ea1i m\u1ed9t v\u00e0i gi\u00e2y \u1edf t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh, v\u1edbi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/tachometer\/\">m\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 quay<\/a> tham chi\u1ebfu n\u01a1i c\u1ea7n pha 1\u00d7.<\/li>\n<li><strong>So s\u00e1nh v\u1edbi l\u1ecbch s\u1eed v\u00e0 gi\u1edbi h\u1ea1n.<\/strong> \u0110\u1eb7t ch\u1ec9 s\u1ed1 \u0111\u1ecdc so v\u1edbi c\u1ee7a m\u00e1y <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/trending\/\">xu h\u01b0\u1edbng<\/a> v\u00e0 so v\u1edbi c\u00e1c v\u00f9ng m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn (xem d\u01b0\u1edbi \u0111\u00e2y). M\u1ed9t thay \u0111\u1ed5i so v\u1edbi \u0111\u01b0\u1eddng c\u01a1 s\u1edf ri\u00eang c\u1ee7a m\u00e1y th\u01b0\u1eddng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c r\u00f5 r\u00e0ng h\u01a1n gi\u1edbi h\u1ea1n tuy\u1ec7t \u0111\u1ed1i.<\/li>\n<li><strong>Ch\u1ea9n \u0111o\u00e1n, r\u1ed3i h\u00e0nh \u0111\u1ed9ng.<\/strong> Kh\u1edbp c\u00e1c \u0111\u1ec9nh v\u1edbi l\u1ed7i, x\u00e1c nh\u1eadn b\u1eb1ng d\u1ea1ng s\u00f3ng v\u00e0 pha, sau \u0111\u00f3 \u0111\u1ec1 xu\u1ea5t s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh \u2014 c\u0103n ch\u1ec9nh, si\u1ebft ch\u1eb7t, thay th\u1ebf v\u00f2ng bi, ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/field-balancing\/\">c\u00e2n b\u1eb1ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/a>.<\/li>\n<\/ul>\n<h2>8. C\u00e1ch Th\u1ef1c Hi\u1ec7n \u0110o L\u01b0\u1eddng Trong Th\u1ef1c \u0110\u1ecba<\/h2>\n<p>Trong th\u1ef1c t\u1ebf, nh\u00e2n vi\u00ean ph\u00e2n t\u00edch g\u1eafn m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/accelerometer\/\">c\u1ea3m bi\u1ebfn gia t\u1ed1c<\/a> v\u00e0o v\u1ecf v\u00f2ng bi, ghi l\u1ea1i m\u1ed9t v\u00e0i gi\u00e2y d\u1eef li\u1ec7u \u1edf t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng, v\u00e0 \u0111\u1ec3 cho c\u00f4ng c\u1ee5 t\u00ednh to\u00e1n ph\u1ed5 v\u00e0 m\u1ee9c \u0111\u1ed9 t\u1ed5ng th\u1ec3 t\u1ea1i ch\u1ed7. \u0110\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c c\u00e2n b\u1eb1ng, m\u1ed9t th\u00f4ng tin b\u1ed5 sung l\u00e0 c\u1ea7n thi\u1ebft \u2014 tham chi\u1ebfu pha \u2014 \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/tachometer\/\">m\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 quay<\/a> xung quay m\u1ed9t l\u1ea7n m\u1ed7i v\u00f2ng. M\u1ed9t c\u00f4ng c\u1ee5 hai k\u00eanh di \u0111\u1ed9ng nh\u01b0 l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> th\u1ef1c hi\u1ec7n ch\u00ednh x\u00e1c quy tr\u00ecnh c\u00f4ng vi\u1ec7c n\u00e0y: n\u00f3 \u0111o bi\u00ean \u0111\u1ed9 v\u00e0 pha, x\u00e2y d\u1ef1ng ph\u1ed5 FFT, v\u00e0 h\u1ed7 tr\u1ee3 c\u00e2n b\u1eb1ng \u0111\u01a1n v\u00e0 hai m\u1eb7t ph\u1eb3ng t\u1ea1i th\u1ef1c \u0111\u1ecba m\u00e0 kh\u00f4ng c\u1ea7n th\u00e1o r\u1eddi. V\u00ec ph\u00e9p \u0111o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong c\u00e1c v\u00f2ng bi c\u1ee7a ch\u00ednh m\u00e1y d\u01b0\u1edbi t\u1ea3i th\u1ef1c, n\u00f3 n\u1eafm b\u1eaft \u0111i\u1ec1u ki\u1ec7n ch\u1ea1y th\u1ef1c s\u1ef1 thay v\u00ec m\u1ed9t x\u1ea5p x\u1ec9 tr\u00ean b\u00e0n.<\/p>\n<h2>9. \u1ee8ng D\u1ee5ng v\u00e0 L\u1ee3i \u00cdch<\/h2>\n<p>Ph\u00e2n t\u00edch rung \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean h\u1ea7u h\u1ebft m\u1ecdi ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb quay, bao g\u1ed3m s\u1ea3n xu\u1ea5t, ph\u00e1t \u0111i\u1ec7n, d\u1ea7u kh\u00ed, n\u01b0\u1edbc, b\u1ed9t gi\u1ea5y, s\u1ea3n xu\u1ea5t gi\u1ea5y, \u0111\u1ed9ng l\u1ef1c bi\u1ec3n, v\u00e0 v\u1eadn t\u1ea3i. C\u00e1c \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng th\u01b0\u1eddng \u0111\u01b0\u1ee3c neo t\u1ea1i c\u00e1c gi\u1edbi h\u1ea1n c\u00f4ng nh\u00e2n \u2014 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/iso-20816-1\/\">Ti\u00eau chu\u1ea9n ISO 20816<\/a> series (thay th\u1ebf chu\u1ed7i ISO 10816 c\u0169 h\u01a1n), x\u00e1c \u0111\u1ecbnh c\u00e1c v\u00f9ng ch\u1ea5p nh\u1eadn t\u1eeb &#8220;t\u1ed1t&#8221; \u0111\u1ebfn &#8220;kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn&#8221; theo l\u1edbp m\u00e1y.<\/p>\n<p>L\u1ee3i \u00edch c\u1ee7a m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ed1t l\u00e0 \u0111\u00e1ng k\u1ec3:<\/p>\n<ul>\n<li><strong>T\u0103ng th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng:<\/strong> ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 s\u1edbm cho ph\u00e9p b\u1ea3o tr\u00ec \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch tr\u01b0\u1edbc khi x\u1ea3y ra s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng, tr\u00e1nh th\u1eddi gian ch\u1ebft kh\u00f4ng \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch.<\/li>\n<li><strong>T\u0103ng c\u01b0\u1eddng an to\u00e0n:<\/strong> ng\u0103n ch\u1eb7n c\u00e1c s\u1ef1 c\u1ed1 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m cho nh\u00e2n vi\u00ean.<\/li>\n<li><strong>Gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec:<\/strong> lo\u1ea1i b\u1ecf c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec &#8220;ph\u00f2ng ng\u1eeba&#8221; kh\u00f4ng c\u1ea7n thi\u1ebft tr\u00ean c\u00e1c m\u00e1y kh\u1ecfe m\u1ea1nh v\u00e0 h\u1ea1n ch\u1ebf chi ph\u00ed s\u1eeda ch\u1eefa b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi x\u1ea3y ra thi\u1ec7t h\u1ea1i th\u1ee9 c\u1ea5p m\u1edf r\u1ed9ng.<\/li>\n<li><strong>\u0110\u1ed9 tin c\u1eady c\u1ee7a t\u00e0i s\u1ea3n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n:<\/strong> chuy\u1ec3n b\u1ea3o tr\u00ec t\u1eeb m\u00f4 h\u00ecnh ph\u1ea3n \u1ee9ng ho\u1eb7c d\u1ef1a tr\u00ean l\u1ecbch sang <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/condition-based-maintenance\/\">d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n<\/a> ti\u1ebfp c\u1eadn, t\u1ed1i \u0111a h\u00f3a tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y m\u00f3c.<\/li>\n<\/ul>\n<h2>10. C\u00e1c C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p<\/h2>\n<p><strong>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ph\u00e2n t\u00edch rung \u0111\u1ed9ng v\u00e0 gi\u00e1m s\u00e1t rung \u0111\u1ed9ng l\u00e0 g\u00ec?<\/strong><br \/>\nGi\u00e1m s\u00e1t theo d\u00f5i m\u1ee9c t\u1ed5ng th\u1ec3 \u0111\u1ec3 ph\u00e1t hi\u1ec7n <em>c\u00e1i \u0111\u00f3<\/em> \u0111i\u1ec1u ki\u1ec7n c\u1ee7a m\u00e1y \u0111\u00e3 thay \u0111\u1ed5i tr\u00ean nhi\u1ec1u m\u00e1y c\u00f9ng m\u1ed9t l\u00fac; ph\u00e2n t\u00edch sau \u0111\u00f3 ki\u1ec3m tra ph\u1ed5, d\u1ea1ng s\u00f3ng v\u00e0 pha tr\u00ean m\u00e1y \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n <em>T\u1ea1i sao<\/em>. Gi\u00e1m s\u00e1t thu h\u1eb9p ph\u1ea1m vi; ph\u00e2n t\u00edch x\u00e1c \u0111\u1ecbnh l\u1ed7i. Xem <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-monitoring\/\">gi\u00e1m s\u00e1t rung \u0111\u1ed9ng<\/a>.<\/p>\n<p><strong>Ph\u1ed5 FFT cho th\u1ea5y c\u00e1i g\u00ec?<\/strong><br \/>\nThe <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">FFT<\/a> chuy\u1ec3n \u0111\u1ed5i d\u1ea1ng s\u00f3ng theo th\u1eddi gian th\u00f4 th\u00e0nh ph\u1ed5 bi\u00ean \u0111\u1ed9 theo t\u1ea7n s\u1ed1. V\u00ec m\u1ed7i d\u1ea1ng h\u01b0 h\u1ecfng k\u00edch ho\u1ea1t m\u1ed9t t\u1ea7n s\u1ed1 \u0111\u1eb7c tr\u01b0ng \u2014 1\u00d7 \u0111\u1ed1i v\u1edbi m\u1ea5t c\u00e2n b\u1eb1ng, 2\u00d7 \u0111\u1ed1i v\u1edbi l\u1ec7ch tr\u1ee5c, c\u00e1c t\u1ea7n s\u1ed1 h\u01b0 h\u1ecfng v\u00f2ng bi \u0111\u1ed1i v\u1edbi v\u00f2ng bi b\u1ecb l\u1ed7i \u2014 v\u1ecb tr\u00ed c\u1ee7a c\u00e1c \u0111\u1ec9nh ph\u1ed5 s\u1ebd x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n.<\/p>\n<p><strong>T\u1ea7n s\u1ed1 n\u00e0o ch\u1ec9 ra s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng so v\u1edbi sai l\u1ec7ch c\u0103n ch\u1ec9nh?<\/strong><br \/>\nM\u1ea5t c\u00e2n b\u1eb1ng th\u1ec3 hi\u1ec7n m\u1ed9t \u0111\u1ec9nh tr\u1ed9i \u1edf t\u1ed1c \u0111\u1ed9 quay 1\u00d7, ch\u1ee7 y\u1ebfu theo ph\u01b0\u01a1ng h\u01b0\u1edbng k\u00ednh. L\u1ec7ch tr\u1ee5c th\u01b0\u1eddng l\u00e0m t\u0103ng m\u1ea1nh \u0111\u1ec9nh 2\u00d7 v\u00e0 th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi rung \u0111\u1ed9ng d\u1ecdc tr\u1ee5c \u0111\u00e1ng ch\u00fa \u00fd, \u0111\u00e2y l\u00e0 c\u00e1ch th\u1ef1c t\u1ebf \u0111\u1ec3 ph\u00e2n bi\u1ec7t hai hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/p>\n<p><strong>C\u1ea7n thi\u1ebft b\u1ecb g\u00ec \u0111\u1ec3 ph\u00e2n t\u00edch rung \u0111\u1ed9ng?<\/strong><br \/>\nT\u1ed1i thi\u1ec3u, m\u1ed9t m\u00e1y gia t\u1ed1c k\u1ebf v\u00e0 m\u1ed9t d\u1ee5ng c\u1ee5 c\u00f3 kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n ph\u1ed5 FFT v\u00e0 m\u1ee9c t\u1ed5ng th\u1ec3. \u0110\u1ec3 c\u00e2n b\u1eb1ng v\u00e0 ch\u1ea9n \u0111o\u00e1n d\u1ef1a tr\u00ean pha, b\u1ea1n c\u0169ng c\u1ea7n tham chi\u1ebfu t\u1eeb m\u00e1y \u0111o t\u1ed1c \u0111\u1ed9; m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analyzer\/\">m\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/a> ch\u1eb3ng h\u1ea1n nh\u01b0 Balanset-1A k\u1ebft h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c t\u00ednh n\u0103ng n\u00e0y trong m\u1ed9t \u0111\u01a1n v\u1ecb di \u0111\u1ed9ng.<\/p>\n<p><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e2n t\u00edch rung \u0111\u1ed9ng trong d\u1ef1 \u0111o\u00e1n h\u01b0 h\u1ecfng l\u00e0 bao nhi\u00eau?<\/strong><br \/>\nTr\u00ean h\u1ea7u h\u1ebft c\u00e1c m\u00e1y quay, n\u00f3 ph\u00e1t hi\u1ec7n \u0111\u00e1ng tin c\u1eady c\u00e1c l\u1ed7i \u0111ang ph\u00e1t tri\u1ec3n v\u00e0i tu\u1ea7n ho\u1eb7c v\u00e0i th\u00e1ng tr\u01b0\u1edbc khi h\u01b0 h\u1ecfng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi \u0111\u01b0\u1eddng c\u01a1 s\u1edf \u1ed5n \u0111\u1ecbnh. \u0110\u1ed9 ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn nh\u1ea5t qu\u00e1n, d\u1eef li\u1ec7u m\u00e1y ch\u00ednh x\u00e1c, v\u00e0 k\u1ebft h\u1ee3p ph\u1ed5, d\u1ea1ng s\u00f3ng v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a> thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t con s\u1ed1 duy nh\u1ea5t.<\/p>\n<p><strong>C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ph\u00e2n t\u00edch rung \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n d\u1eebng m\u00e1y kh\u00f4ng?<\/strong><br \/>\nC\u00f3. \u0110\u00f3 l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt kh\u00f4ng x\u00e2m l\u1ea5n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng, ch\u00ednh v\u00ec th\u1ebf n\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c t\u1eaft \u0111\u1ec3 ki\u1ec3m tra.<\/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>C\u00e1i nh\u00ecn chi ti\u1ebft v\u1ec1 Ph\u00e2n t\u00edch rung \u0111\u1ed9ng (VA), m\u1ed9t chuy\u00ean ng\u00e0nh k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng, x\u1eed l\u00fd v\u00e0 di\u1ec5n gi\u1ea3i c\u00e1c t\u00edn hi\u1ec7u rung \u0111\u1ed9ng t\u1eeb m\u00e1y m\u00f3c \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng c\u1ee7a m\u00e1y.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-298","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/298","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\/298\/revisions"}],"predecessor-version":[{"id":101553,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/298\/revisions\/101553"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}