{"id":215,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rotor-bar-defects\/"},"modified":"2026-07-03T09:57:24","modified_gmt":"2026-07-03T09:57:24","slug":"rotor-bar-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/rotor-bar-defects\/","title":{"rendered":"L\u1ed7i thanh rotor l\u00e0 g\u00ec? Thanh rotor b\u1ecb g\u00e3y trong \u0111\u1ed9ng c\u01a1"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 khuy\u1ebft t\u1eadt thanh r\u00f4to<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/vi\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"B\u1ed9 \u0111\u1ea7y \u0111\u1ee7 m\u00e1y c\u00e2n b\u1eb1ng v\u00e0 ph\u00e2n t\u00edch rung \u0111\u1ed9ng c\u1ea7m tay Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/vi\/wp-json\/wp\/v2\/glossary\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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>L\u1ed7i thanh r\u00f4to<\/strong> \u2014 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1c thanh rotor b\u1ecb g\u00e3y ho\u1eb7c n\u1ee9t \u2014 l\u00e0 c\u00e1c v\u1ebft g\u00e3y, n\u1ee9t ho\u1eb7c k\u1ebft n\u1ed1i \u0111i\u1ec7n tr\u1edf cao trong c\u00e1c thanh d\u1eabn \u0111i\u1ec7n c\u1ee7a rotor l\u1ed3ng s\u00f3c c\u1ea3m \u1ee9ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/motor-defects\/\">\u0111\u1ed9ng c\u01a1<\/a> rotor. M\u1ed9t rotor l\u1ed3ng s\u00f3c \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb c\u00e1c thanh nh\u00f4m ho\u1eb7c \u0111\u1ed3ng nh\u00fang trong c\u00e1c l\u1ed7 c\u1ee7a m\u1ed9t l\u00f5i s\u1eaft t\u1ea5m, v\u1edbi c\u1ea3 hai \u0111\u1ea7u c\u1ee7a m\u1ed7i thanh \u0111\u01b0\u1ee3c n\u1ed1i b\u1edfi m\u1ed9t c\u1eb7p v\u00f2ng ch\u1eb7n (v\u00f2ng \u0111\u1ea7u). Khi m\u1ed9t thanh g\u00e3y ho\u1eb7c m\u1ed9t kh\u1edbp v\u00f2ng \u0111\u1ea7u n\u1ee9t, d\u00f2ng \u0111i\u1ec7n kh\u00f4ng c\u00f2n ch\u1ea3y s\u1ea1ch qua d\u00e2y d\u1eabn b\u1ecb h\u01b0. K\u1ebft qu\u1ea3 l\u00e0 b\u1ea5t \u0111\u1ed1i x\u1ee9ng \u0111i\u1ec7n t\u1eeb, m\u00f4-men xo\u1eafn xung, v\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u d\u00f2ng \u0111i\u1ec7n r\u1ea5t d\u1ec5 nh\u1eadn bi\u1ebft <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a> v\u00e0 d\u1ea5u hi\u1ec7u d\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u b\u1edfi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/sidebands\/\">d\u1ea3i b\u00ean<\/a> c\u00e1ch \u0111\u1ec1u nhau t\u1ea1i <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/pole-pass-frequency\/\">t\u1ea7n s\u1ed1 \u0111i qua c\u1ef1c<\/a> (s\u1ed1 c\u1ef1c \u00d7 t\u1ea7n s\u1ed1 tr\u01b0\u1ee3t).<\/p>\n<p>C\u00e1c h\u1ecfng h\u00f3c thanh rotor chi\u1ebfm kho\u1ea3ng 10\u201315% c\u00e1c s\u1ef1 c\u1ed1 \u0111\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng. Ch\u00fang r\u1ea5t nguy hi\u1ec3m ch\u00ednh v\u00ec ch\u00fang ti\u1ebfn tri\u1ec3n: m\u1ed9t thanh <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/broken-rotor-bars\/\">thanh rotor b\u1ecb h\u1ecfng<\/a> qu\u00e1 t\u1ea3i c\u00e1c thanh l\u00e2n c\u1eadn, v\u00e0 c\u00e1i g\u00ec b\u1eaft \u0111\u1ea7u nh\u01b0 m\u1ed9t d\u00e2y d\u1eabn n\u1ee9t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nhi\u1ec1u v\u1ebft g\u00e3y, xung m\u00f4-men xo\u1eafn nghi\u00eam tr\u1ecdng, v\u00e0 s\u1ef1 ph\u00e1 h\u1ee7y rotor cu\u1ed1i c\u00f9ng n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n s\u1edbm.<\/p>\n<h2>1. C\u00e1c lo\u1ea1i khi\u1ebfm khuy\u1ebft thanh Rotor<\/h2>\n<p>H\u1ecd l\u1ed7i n\u00e0y bao g\u1ed3m nhi\u1ec1u c\u01a1 ch\u1ebf kh\u00e1c nhau, t\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0m gi\u00e1n \u0111o\u1ea1n t\u00ednh \u0111\u1ed1i x\u1ee9ng \u0111i\u1ec7n c\u1ee7a rotor theo nh\u1eefng c\u00e1ch t\u01b0\u01a1ng t\u1ef1:<\/p>\n<ul>\n<li><strong>Thanh rotor b\u1ecb h\u1ecfng:<\/strong> M\u1ed9t v\u1ebft g\u00e3y ho\u00e0n to\u00e0n c\u1ee7a m\u1ed9t thanh d\u1eabn \u0111i\u1ec7n, th\u01b0\u1eddng n\u1eb1m g\u1ea7n m\u1ed9t v\u00f2ng \u0111\u1ea7u n\u01a1i t\u1eadp trung \u00e1p l\u1ef1c nhi\u1ec7t v\u00e0 c\u01a1 h\u1ecdc. M\u1ed9t v\u1ebft g\u00e3y g\u1ea7n nh\u01b0 lu\u00f4n b\u1eaft \u0111\u1ea7u nh\u01b0 m\u1ed9t v\u1ebft n\u1ee9t m\u1ecfi v\u00e0 ti\u1ebfn tri\u1ec3n th\u00e0nh m\u1ed9t s\u1ef1 t\u00e1ch r\u1eddi ho\u00e0n to\u00e0n.<\/li>\n<li><strong>V\u00e0nh cu\u1ed1i b\u1ecb n\u1ee9t:<\/strong> V\u1ebft g\u00e3y trong c\u00e1c v\u00f2ng ch\u1eb7n li\u00ean k\u1ebft c\u00e1c thanh v\u1edbi nhau, th\u01b0\u1eddng x\u1ea3y ra t\u1ea1i \u0111i\u1ec3m n\u1ed1i thanh-v\u00f2ng. T\u00e1c \u0111\u1ed9ng \u0111i\u1ec7n c\u1ee7a ch\u00fang ph\u1ea3n \u00e1nh m\u1ed9t thanh g\u00e3y. Ch\u00fang ph\u1ed5 bi\u1ebfn h\u01a1n trong c\u00e1c m\u00e1y l\u1edbn, \u1edf c\u00e1c \u0111\u1ed9ng c\u01a1 kh\u1edfi \u0111\u1ed9ng th\u01b0\u1eddng xuy\u00ean, v\u00e0 tr\u00ean c\u00e1c t\u1ea3i qu\u00e1n t\u00ednh cao.<\/li>\n<li><strong>Kh\u1edbp n\u1ed1i kh\u00e1ng \u0111i\u1ec7n cao:<\/strong> M\u1ed9t k\u1ebft n\u1ed1i \u0111i\u1ec7n k\u00e9m gi\u1eefa thanh v\u00e0 v\u00f2ng \u0111\u1ea7u g\u00e2y ra b\u1edfi c\u00e1c khi\u1ebfm khuy\u1ebft s\u1ea3n xu\u1ea5t, chu k\u1ef3 nhi\u1ec7t, ho\u1eb7c \u0103n m\u00f2n. C\u00e1c tri\u1ec7u ch\u1ee9ng gi\u1ed1ng nh\u01b0 m\u1ed9t thanh g\u00e3y nh\u01b0ng th\u01b0\u1eddng kh\u00f4ng li\u00ean t\u1ee5c v\u00e0 t\u1ea1o ra c\u00e1c d\u1ea5u hi\u1ec7u tinh t\u1ebf h\u01a1n so v\u1edbi m\u1ed9t v\u1ebft g\u00e3y s\u1ea1ch.<\/li>\n<li><strong>\u0110\u1ed9 x\u1ed1p rotor:<\/strong> C\u00e1c kho\u1ea3ng tr\u1ed1ng \u0111\u00fac trong c\u00e1c rotor nh\u00f4m \u0111\u00fac khu\u00f4n l\u00e0m gi\u1ea3m ti\u1ebft di\u1ec7n d\u1eabn \u0111i\u1ec7n hi\u1ec7u qu\u1ea3. \u0110\u1ed9 x\u1ed1p l\u00e0 m\u1ed9t khi\u1ebfm khuy\u1ebft s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u1ea9n n\u1ea5p trong nhi\u1ec1u n\u0103m tr\u01b0\u1edbc khi ti\u1ebfn tri\u1ec3n th\u00e0nh c\u00e1c v\u1ebft n\u1ee9t v\u00e0 g\u00e3y.<\/li>\n<\/ul>\n<h2>2. T\u1ea1i sao c\u00e1c thanh Rotor b\u1ecb h\u1ecfng<\/h2>\n<p>C\u00e1c h\u1ecfng h\u00f3c c\u1ee7a thanh rotor \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 nhi\u1ec7t, c\u01a1 h\u1ecdc, s\u1ea3n xu\u1ea5t v\u00e0 v\u1eadn h\u00e0nh m\u00e0 l\u1eabn nhau l\u00e0m t\u0103ng s\u1ef1 h\u01b0 h\u1ecfng trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a motor.<\/p>\n<h3>\u1ee8ng su\u1ea5t nhi\u1ec7t<\/h3>\n<p>M\u1ed7i chu k\u1ef3 kh\u1edfi \u0111\u1ed9ng v\u00e0 d\u1eebng l\u1ea1i l\u00e0m cho rotor tr\u1ea3i qua s\u1ef1 gi\u00e3n n\u1edf v\u00e0 co l\u1ea1i. V\u00ec nh\u00f4m gi\u00e3n n\u1edf nhi\u1ec1u h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi l\u00f5i s\u1eaft xung quanh, s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00e1c nhau n\u00e0y l\u00e0m l\u1ecfng c\u00e1c thanh v\u00e0 g\u00e2y m\u1ecfi t\u1ea1i c\u00e1c kh\u1edbp. Nh\u1eefng l\u1ea7n kh\u1edfi \u0111\u1ed9ng th\u01b0\u1eddng xuy\u00ean g\u00e2y ra nh\u1eefng c\u00fa s\u1ed1c nhi\u1ec7t l\u1eb7p l\u1ea1i, v\u00e0 b\u1ea5t k\u1ef3 \u0111i\u1ec3m c\u00f3 \u0111i\u1ec7n tr\u1edf cao \u1edf \u0111\u1ecba ph\u01b0\u01a1ng n\u00e0o c\u0169ng tr\u1edf th\u00e0nh \u0111i\u1ec3m n\u00f3ng (hot spot) l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 h\u01b0 h\u1ecfng.<\/p>\n<h3>\u00c1p l\u1ef1c c\u01a1 h\u1ecdc<\/h3>\n<p>C\u00e1c thanh d\u1eabn \u0111i\u1ec7n c\u0169ng ph\u1ea3i ch\u1ecbu <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/centrifugal-force\/\">l\u1ef1c ly t\u00e2m<\/a> (c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi m\u00e1y ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 cao), c\u00e1c l\u1ef1c \u0111i\u1ec7n t\u1eeb xung \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh ch\u1ea1y b\u00ecnh th\u01b0\u1eddng, v\u00e0 c\u00e1c d\u00f2ng \u0111i\u1ec7n l\u1edbn trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng m\u00e0 g\u00e2y ra c\u00fa s\u1ed1c c\u01a1 h\u1ecdc. B\u00ean ngo\u00e0i <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analysis\/\">rung \u0111\u1ed9ng<\/a> \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb t\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c k\u00e9o \u0111\u1ed9ng g\u00e2y m\u1ecfi cho c\u00e1c thanh h\u01a1n n\u1eefa.<\/p>\n<h3>C\u00e1c khuy\u1ebft t\u1eadt s\u1ea3n xu\u1ea5t v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh<\/h3>\n<p>\u0110\u1ed9 x\u1ed1p c\u1ee7a tu\u1ef3 t\u1eeb s\u00e1ng t\u1ea1o, d\u00ednh k\u1ebft y\u1ebfu gi\u1eefa thanh v\u00e0 v\u00f2ng \u0111\u1ea7u, c\u00e1c t\u1ea1p ch\u1ea5t v\u1eadt li\u1ec7u, v\u00e0 x\u1eed l\u00fd nhi\u1ec7t kh\u00f4ng \u0111\u1ee7 \u0111\u1ec1u gieo r\u1eafc nh\u1eefng h\u1ea1t gi\u1ed1ng c\u1ee7a s\u1ef1 h\u1ecfng h\u00f3c sau n\u00e0y. Trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng, nh\u1eefng t\u00e1c nh\u00e2n t\u1ed3i t\u1ec7 nh\u1ea5t l\u00e0 kh\u1edfi \u0111\u1ed9ng th\u01b0\u1eddng xuy\u00ean, t\u1ea3i tr\u1ecdng qu\u00e1n t\u00ednh cao v\u1edbi th\u1eddi gian gia t\u1ed1c k\u00e9o d\u00e0i, c\u00e1c s\u1ef1 c\u1ed1 rotor b\u1ecb kh\u00f3a v\u1edbi d\u00f2ng \u0111i\u1ec7n c\u1ef1c cao c\u1ee7a ch\u00fang, v\u00e0 m\u1ea5t pha \u0111\u01a1n \u2014 ch\u1ea1y v\u1edbi m\u1ed9t pha cung c\u1ea5p b\u1ecb m\u1ea5t, \u0111i\u1ec1u n\u00e0y bu\u1ed9c m\u1ed9t m\u1eabu d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed1i x\u1ee9ng t\u1ed3i t\u1ec7 th\u00f4ng qua l\u1ed3ng.<\/p>\n<h2>3. Ch\u1eef k\u00fd Rung \u0111\u1ed9ng v\u00e0 D\u00f2ng \u0111i\u1ec7n<\/h2>\n<p>\u0110\u1eb7c tr\u01b0ng ch\u1ea9n \u0111o\u00e1n c\u1ee7a t\u1ed5n th\u01b0\u01a1ng thanh rotor l\u00e0 m\u1ed9t d\u00e3y c\u00e1c d\u1ea3i l\u1ec1 (sidebands) t\u1eadp trung xung quanh t\u1ed1c \u0111\u1ed9 ch\u1ea1y.<\/p>\n<ul>\n<li><strong>\u0110\u1ec9nh ch\u00ednh:<\/strong> 1\u00d7 t\u1ed1c \u0111\u1ed9 ch\u1ea1y (f<sub>r<\/sub>), b\u00ecnh th\u01b0\u1eddng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 ch\u1ea1y<\/a> \u0111\u01b0\u1eddng.<\/li>\n<li><strong>D\u1ea3i b\u00ean:<\/strong> c\u00e1c c\u1eb7p \u0111\u1ed1i x\u1ee9ng t\u1ea1i f<sub>r<\/sub> \u00b1 F<sub>P<\/sub>, f<sub>r<\/sub> \u00b1 2F<sub>P<\/sub>, f<sub>r<\/sub> \u00b1 3F<sub>P<\/sub>, trong \u0111\u00f3 F<sub>P<\/sub> l\u00e0 t\u1ea7n s\u1ed1 \u0111i qua c\u1ef1c \u2014 s\u1ed1 c\u1ef1c \u00d7 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/slip-frequency\/\">t\u1ea7n s\u1ed1 tr\u01b0\u1ee3t<\/a> (th\u01b0\u1eddng ch\u1ec9 v\u00e0i hertz).<\/li>\n<li><strong>M\u1eabu:<\/strong> c\u00e1c sideband \u0111\u1ed1i x\u1ee9ng, c\u00e1ch \u0111\u1ec1u nhau theo kho\u1ea3ng t\u1ea7n s\u1ed1 \u0111i qua c\u1ef1c \u2014 ho\u00e0n to\u00e0n kh\u00e1c v\u1edbi sideband c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-fault-frequencies\/\">l\u1ed7i v\u00f2ng bi<\/a>, n\u1eb1m xung quanh c\u00e1c t\u1ea7n s\u1ed1 khi\u1ebfm khuy\u1ebft.<\/li>\n<\/ul>\n<h3>T\u00ednh to\u00e1n t\u1ea7n s\u1ed1 tr\u01b0\u1ee3t v\u00e0 t\u1ea7n s\u1ed1 \u0111i qua c\u1ef1c<\/h3>\n<p>T\u1ea7n s\u1ed1 tr\u01b0\u1ee3t l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 th\u1ef1c t\u1ebf, \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng hertz: f<sub>s<\/sub> = (N<sub>\u0111\u1ed3ng b\u1ed9 h\u00f3a<\/sub> \u2212 N<sub>th\u1eadt s\u1ef1<\/sub>) \/ 60, v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c sideband l\u00e0 t\u1ea7n s\u1ed1 \u0111i qua c\u1ef1c F<sub>P<\/sub> = s\u1ed1 c\u1ef1c \u00d7 f<sub>s<\/sub>. H\u00e3y x\u00e9t m\u1ed9t \u0111\u1ed9ng c\u01a1 4 c\u1ef1c, 60 Hz c\u00f3 t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 1800 rpm \u0111ang ch\u1ea1y \u1edf 1750 rpm d\u01b0\u1edbi t\u1ea3i. Khi \u0111\u00f3 f<sub>s<\/sub> = (1800 \u2212 1750) \/ 60 = 0,833 Hz, F<sub>P<\/sub> = 4 \u00d7 0,833 = 3,33 Hz, v\u00e0 \u0111\u01b0\u1eddng t\u1ea7n s\u1ed1 quay n\u1eb1m \u1edf 29,17 Hz. Do \u0111\u00f3 c\u00e1c d\u1ea3i bi\u00ean xu\u1ea5t hi\u1ec7n \u1edf 29,17 \u00b1 3,33 Hz \u2014 t\u1ee9c l\u00e0 \u1edf 25,8 Hz v\u00e0 32,5 Hz. M\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/harmonic-frequency-calculator\/\">m\u00e1y t\u00ednh t\u1ea7n s\u1ed1 h\u00e0i<\/a> v\u00e0 m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/motor-slip-calculator\/\">m\u00e1y t\u00ednh t\u1ea7n s\u1ed1 tr\u01b0\u1ee3t \u0111\u1ed9ng c\u01a1<\/a> l\u00e0m cho qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u00e0y tr\u1edf n\u00ean d\u1ec5 d\u00e0ng khi b\u1ea1n \u0111ang thi\u1ebft l\u1eadp ph\u00e9p \u0111o tr\u00ean s\u00e0n x\u01b0\u1edfng.<\/p>\n<h3>Ph\u1ee5 thu\u1ed9c t\u1ea3i<\/h3>\n<p>V\u00ec tr\u01b0\u1ee3t \u2014 v\u00e0 do \u0111\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua c\u00e1c thanh b\u1ecb h\u1ecfng \u2014 t\u0103ng theo t\u1ea3i, c\u00e1c d\u1ea3i bi\u00ean t\u1ea7n s\u1ed1 n\u00e0y nh\u1ea1y c\u1ea3m v\u1edbi t\u1ea3i. Khi kh\u00f4ng c\u00f3 t\u1ea3i, ch\u00fang \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u; d\u01b0\u1edbi t\u1ea3i nh\u1eb9, ch\u00fang b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n; v\u00e0 \u1edf t\u1ea3i \u0111\u1ea7y \u0111\u1ee7, ch\u00fang m\u1ea1nh nh\u1ea5t v\u00e0 d\u1ec5 ch\u1ea9n \u0111o\u00e1n nh\u1ea5t. Quy t\u1eafc th\u1ef1c t\u1ebf r\u1ea5t \u0111\u01a1n gi\u1ea3n: lu\u00f4n ki\u1ec3m tra \u0111\u1ed9ng c\u01a1 \u0111\u00e1ng nghi v\u1ea5n d\u01b0\u1edbi t\u1ea3i ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng \u0111\u1ec3 c\u00f3 \u0111\u1ed9 nh\u1ea1y t\u1ed1t nh\u1ea5t.<\/p>\n<h3>Ch\u1eef k\u00fd d\u00f2ng \u0111i\u1ec7n (MCSA)<\/h3>\n<p>Ph\u00e2n t\u00edch ch\u1eef k\u00fd d\u00f2ng \u0111i\u1ec7n \u0111\u1ed9ng c\u01a1 ph\u00e1t hi\u1ec7n c\u00f9ng hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd trong mi\u1ec1n \u0111i\u1ec7n. \u1ede \u0111\u00e2y c\u00e1c d\u1ea3i bi\u00ean t\u1ea7n s\u1ed1 t\u1eadp trung quanh <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/electrical-frequency\/\">t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n<\/a> thay v\u00ec t\u1ed1c \u0111\u1ed9 ch\u1ea1y, v\u00e0 ch\u00fang xu\u1ea5t hi\u1ec7n \u1edf f<sub>\u0111\u01b0\u1eddng k\u1ebb<\/sub> \u00b1 2\u00b7s\u00b7f<sub>\u0111\u01b0\u1eddng k\u1ebb<\/sub>, trong \u0111\u00f3 s l\u00e0 \u0111\u1ed9 tr\u01b0\u1ee3t theo \u0111\u01a1n v\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i \u2014 c\u00f9ng kho\u1ea3ng c\u00e1ch \u00b1F<sub>P<\/sub> kho\u1ea3ng c\u00e1ch nh\u01b0 trong \u0111\u1ed9 rung, v\u00ec 2\u00b7s\u00b7f<sub>\u0111\u01b0\u1eddng k\u1ebb<\/sub> = F<sub>P<\/sub>. V\u1edbi \u0111\u1ed9ng c\u01a1 4 c\u1ef1c 60 Hz \u1edf tr\u00ean (s = 50\/1800 \u2248 2.8%), \u0111i\u1ec1u \u0111\u00f3 \u0111\u1eb7t c\u00e1c sideband \u1edf 56.7 Hz v\u00e0 63.3 Hz. Bi\u00ean \u0111\u1ed9 c\u1ee7a ch\u00fang t\u0103ng theo s\u1ed1 l\u01b0\u1ee3ng thanh g\u00e3y, v\u00e0 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p MCSA ph\u00e1t hi\u1ec7n l\u1ed7i s\u1edbm h\u01a1n rung \u0111\u1ed9ng. C\u00f9ng m\u1ed9t c\u01a1 s\u1edf v\u1eadt l\u00fd li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 tr\u01b0\u1ee3t c\u0169ng n\u1eb1m sau hi\u1ec7n t\u01b0\u1ee3ng li\u00ean quan <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/pole-pass-frequency\/\">t\u1ea7n s\u1ed1 \u0111i qua c\u1ef1c<\/a> d\u00f9ng trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/electrical-faults\/\">l\u1ed7i \u0111i\u1ec7n<\/a> ch\u1ea9n \u0111o\u00e1n.<\/p>\n<h2>4. Ph\u00e1t hi\u1ec7n, Ch\u1ea9n \u0111o\u00e1n v\u00e0 \u0110o l\u01b0\u1eddng t\u1ea1i Hi\u1ec7n tr\u01b0\u1eddng<\/h2>\n<p>Ph\u00e2n gi\u1ea3i c\u00e1c sideband ch\u1ec9 c\u00e1ch v\u00e0i hertz so v\u1edbi m\u1ed9t \u0111\u1ec9nh t\u1ed1c \u0111\u1ed9 ch\u1ea1y chi ph\u1ed1i \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u1ea7n s\u1ed1 cao. M\u1ed9t quy tr\u00ecnh ch\u1eb7t ch\u1ebd di\u1ec5n ra nh\u01b0 sau:<\/p>\n<ol>\n<li><strong>T\u00ednh to\u00e1n m\u1eabu d\u1ef1 ki\u1ebfn:<\/strong> x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 t\u1eeb s\u1ed1 c\u1ef1c v\u00e0 t\u1ea7n s\u1ed1 \u0111i\u1ec7n l\u01b0\u1edbi, \u0111o t\u1ed1c \u0111\u1ed9 ch\u1ea1y th\u1ef1c, r\u1ed3i t\u00ednh \u0111\u1ed9 tr\u01b0\u1ee3t v\u00e0 t\u1ea7n s\u1ed1 \u0111i qua c\u1ef1c.<\/li>\n<li><strong>L\u1ea5y ph\u1ed5 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao:<\/strong> s\u1eed d\u1ee5ng \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">FFT<\/a> \u0111\u1ed9 ph\u00e2n gi\u1ea3i (t\u1ed1t h\u01a1n kho\u1ea3ng 0,2 Hz) \u0111\u1ec3 c\u00e1c d\u1ea3i bi\u00ean t\u1ea7n s\u1ed1 c\u00e1ch g\u1ea7n nhau t\u00e1ch r\u1eddi s\u1ea1ch s\u1ebd t\u1eeb d\u00f2ng 1\u00d7. A <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/fft-resolution-calculator\/\">C\u00f4ng c\u1ee5 t\u00ednh \u0111\u1ed9 ph\u00e2n gi\u1ea3i FFT<\/a> gi\u00fap b\u1ea1n ch\u1ecdn kho\u1ea3ng v\u00e0 s\u1ed1 d\u00f2ng th\u00edch h\u1ee3p.<\/li>\n<li><strong>T\u00ecm ki\u1ebfm c\u00e1c d\u1ea3i bi\u00ean t\u1ea7n s\u1ed1:<\/strong> t\u00ecm c\u00e1c \u0111\u1ec9nh \u0111\u1ed1i x\u1ee9ng \u1edf t\u1ea7n s\u1ed1 1\u00d7 \u00b1 t\u1ea7n s\u1ed1 c\u1ef1c v\u00e0 c\u00e1c b\u1ed9i s\u1ed1 c\u1ee7a n\u00f3.<\/li>\n<li><strong>Ki\u1ec3m tra d\u01b0\u1edbi t\u1ea3i:<\/strong> ghi d\u1eef li\u1ec7u v\u1edbi \u0111\u1ed9ng c\u01a1 ch\u1ecbu t\u1ea3i ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a n\u00f3.<\/li>\n<li><strong>X\u00e1c nh\u1eadn m\u1eabu:<\/strong> x\u00e1c minh c\u00e1c d\u1ea3i bi\u00ean t\u1ea7n s\u1ed1 \u0111\u1ed1i x\u1ee9ng v\u00e0 \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch ch\u00ednh x\u00e1c tr\u01b0\u1edbc khi \u0111\u01b0a ra ch\u1ea9n \u0111o\u00e1n.<\/li>\n<\/ol>\n<p>Lo\u1ea1i ghi d\u1eef li\u1ec7u ph\u1ed5 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao n\u00e0y ch\u00ednh x\u00e1c l\u00e0 c\u00f4ng vi\u1ec7c m\u00e0 m\u1ed9t thi\u1ebft b\u1ecb hai k\u00eanh di \u0111\u1ed9ng nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> \u0111\u01b0\u1ee3c t\u1ea1o ra cho vi\u1ec7c n\u00e0y. L\u00e0m vi\u1ec7c ngay tr\u00ean \u1ed5 tr\u1ee5c c\u1ee7a \u0111\u1ed9ng c\u01a1 \u1edf t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh, n\u00f3 ghi l\u1ea1i tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 ch\u1ea1y v\u00e0 c\u00e1c sideband theo t\u1ea7n s\u1ed1 \u0111i qua c\u1ef1c tr\u00ean m\u00e1y \u0111ang ho\u1ea1t \u0111\u1ed9ng, \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn ch\u1ea9n \u0111o\u00e1n g\u00e3y thanh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng m\u00e0 kh\u00f4ng c\u1ea7n th\u00e1o r\u1eddi, r\u1ed3i theo d\u00f5i m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a n\u00f3 theo th\u1eddi gian.<\/p>\n<h3>\u0110\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng<\/h3>\n<p>M\u1ed9t quy t\u1eafc ph\u1ecfng \u0111o\u00e1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i x\u1ebfp h\u1ea1ng m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng theo chi\u1ec1u cao c\u1ee7a c\u00e1c d\u1ea3i bi\u00ean t\u1ea7n s\u1ed1 so v\u1edbi \u0111\u1ec9nh 1\u00d7:<\/p>\n<ul>\n<li><strong>D\u1ea3i bi\u00ean t\u1ea7n s\u1ed1 d\u01b0\u1edbi 40% c\u1ee7a 1\u00d7:<\/strong> c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t thanh b\u1ecb n\u1ee9t ho\u1eb7c b\u1ecb h\u1ecfng \u2014 ti\u1ebfp t\u1ee5c theo d\u00f5i.<\/li>\n<li><strong>40\u201360% c\u1ee7a 1\u00d7:<\/strong> m\u1ed9t thanh b\u1ecb h\u1ecfng \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn (ho\u1eb7c c\u00e1c thanh) \u2014 l\u00ean k\u1ebf ho\u1ea1ch thay th\u1ebf.<\/li>\n<li><strong>Tr\u00ean 60% c\u1ee7a 1\u00d7:<\/strong> nhi\u1ec1u thanh g\u00e3y \u2014 c\u1ea7n ph\u1ea3i thay th\u1ebf ngay.<\/li>\n<li><strong>C\u00e1c d\u1ea3i b\u00ean cao h\u01a1n \u0111\u1ec9nh 1\u00d7:<\/strong> m\u1ed9t t\u00ecnh tr\u1ea1ng nghi\u00eam tr\u1ecdng \u0111\u00f2i h\u1ecfi h\u00e0nh \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c.<\/li>\n<\/ul>\n<h2>5. H\u1eadu qu\u1ea3 v\u00e0 Di\u1ec5n ti\u1ebfn<\/h2>\n<p>N\u1ebfu b\u1ecf qua, m\u1ed9t l\u1ed7i \u0111\u01a1n l\u1ebb hi\u1ebfm khi v\u1eabn l\u00e0 l\u1ed7i \u0111\u01a1n l\u1ebb. T\u1ed5n h\u1ea1i ph\u00e1t tri\u1ec3n qua c\u00e1c giai \u0111o\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft:<\/p>\n<ul>\n<li><strong>H\u1ecfng h\u00f3c ban \u0111\u1ea7u (m\u1ed9t thanh):<\/strong> xung torque nh\u1eb9, c\u00e1c d\u1ea3i b\u00ean nh\u1ecf m\u1edbi n\u1ed5i l\u00ean, v\u00e0 m\u1ea5t hi\u1ec7u su\u1ea5t t\u1ed1i thi\u1ec3u. M\u1ed9t \u0111\u1ed9ng c\u01a1 c\u00f3 th\u1ec3 ch\u1ea1y trong t\u00ecnh tr\u1ea1ng n\u00e0y trong nhi\u1ec1u th\u00e1ng.<\/li>\n<li><strong>C\u00e1c l\u1ed7i ti\u1ebfn tri\u1ec3n (nhi\u1ec1u thanh):<\/strong> d\u00f2ng \u0111i\u1ec7n c\u1ea7n ph\u1ea3i ch\u1ea3y qua thanh g\u00e3y l\u1ec7ch sang nh\u1eefng thanh l\u00e2n c\u1eadn c\u1ee7a n\u00f3, l\u00e0m ch\u00fang qu\u00e1 n\u00f3ng; \u00e1p l\u1ef1c nhi\u1ec7t sau \u0111\u00f3 l\u00e0m g\u00e3y nh\u1eefng thanh \u0111\u00f3 n\u1eefa. Xung torque v\u00e0 rung \u0111\u1ed9ng t\u0103ng l\u00ean, v\u00e0 m\u1ed9t m\u00e1y c\u00f3 th\u1ec3 xu\u1ed1ng c\u1ea5p t\u1eeb m\u1ed9t \u0111\u1ebfn nhi\u1ec1u thanh g\u00e3y trong v\u00f2ng v\u00e0i tu\u1ea7n.<\/li>\n<li><strong>T\u00ecnh tr\u1ea1ng nghi\u00eam tr\u1ecdng:<\/strong> nhi\u1ec1u thanh g\u00e3y li\u1ec1n k\u1ec1 nhau t\u1ea1o ra xung torque d\u1eef d\u1ed9i, rung \u0111\u1ed9ng cao v\u00e0 ti\u1ebfng \u1ed3n, c\u0169ng nh\u01b0 qu\u00e1 n\u00f3ng c\u1ee7a rotor. K\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng l\u00e0 h\u1ecfng ho\u00e0n to\u00e0n c\u1ee7a rotor, v\u1edbi r\u1ee7i ro th\u1ef1c t\u1ebf v\u1ec1 t\u1ed5n h\u1ea1i do c\u00e1c d\u00f2ng l\u01b0u th\u00f4ng qu\u00e1 m\u1ee9c. <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/stator-defects\/\">stator<\/a> t\u1ed5n h\u1ea1i t\u1eeb c\u00e1c d\u00f2ng l\u01b0u th\u00f4ng qu\u00e1 m\u1ee9c.<\/li>\n<\/ul>\n<h2>6. C\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c v\u00e0 Ph\u00f2ng ng\u1eeba<\/h2>\n<p>Khi m\u1ed9t l\u1ed7i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn, c\u00e1ch \u0111\u00e1p \u1ee9ng l\u00e0 qu\u1ea3n l\u00fd n\u00f3 m\u1ed9t c\u00e1ch c\u1ed1 \u00fd h\u01a1n l\u00e0 ch\u1edd \u0111\u1ee3i s\u1ef1 h\u1ecfng h\u00f3c:<\/p>\n<ul>\n<li><strong>Khi ph\u00e1t hi\u1ec7n:<\/strong> si\u1ebft ch\u1eb7t kho\u1ea3ng th\u1eddi gian gi\u00e1m s\u00e1t (h\u00e0ng th\u00e1ng th\u00e0nh h\u00e0ng tu\u1ea7n), x\u00e1c nh\u1eadn ch\u1ea9n \u0111o\u00e1n b\u1eb1ng MCSA, l\u00ean k\u1ebf ho\u1ea1ch thay th\u1ebf \u0111\u1ed9ng c\u01a1 ho\u1eb7c rotor, chu\u1ea9n b\u1ecb m\u1ed9t b\u1ed9 ph\u1eadn d\u1ef1 ph\u00f2ng cho c\u00e1c c\u00f4ng vi\u1ec7c quan tr\u1ecdng, v\u00e0 \u0111i\u1ec1u tra l\u00fd do t\u1ea1i sao c\u00e1c thanh b\u1ecb g\u00e3y.<\/li>\n<li><strong>C\u00e1c t\u00f9y ch\u1ecdn s\u1eeda ch\u1eefa:<\/strong> thay th\u1ebf rotor l\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c \u0111\u00e1ng tin c\u1eady nh\u1ea5t cho c\u00e1c m\u00e1y l\u1edbn; thay th\u1ebf \u0111\u1ed9ng c\u01a1 ho\u00e0n to\u00e0n th\u01b0\u1eddng l\u00e0 l\u1ed9 tr\u00ecnh kinh t\u1ebf nh\u1ea5t cho nh\u1eefng m\u00e1y nh\u1ecf; c\u00e1c c\u1eeda h\u00e0ng chuy\u00ean bi\u1ec7t c\u00f3 th\u1ec3 \u0111\u00fac l\u1ea1i rotor nh\u00f4m; v\u00e0 m\u1ed9t thanh g\u00e3y duy nh\u1ea5t c\u00f3 th\u1ec3 cho ph\u00e9p ho\u1ea1t \u0111\u1ed9ng ti\u1ebfp t\u1ee5c h\u1ea1n ch\u1ebf d\u01b0\u1edbi s\u1ef1 gi\u00e1m s\u00e1t ch\u1eb7t ch\u1ebd.<\/li>\n<li><strong>Ph\u00f2ng ng\u1eeba:<\/strong> gi\u1ea3m thi\u1ec3u c\u00e1c l\u1ea7n kh\u1edfi \u0111\u1ed9ng th\u01b0\u1eddng xuy\u00ean b\u1eb1ng b\u1ed9 kh\u1edfi \u0111\u1ed9ng m\u1ec1m ho\u1eb7c c\u00e1c \u1ed5 \u0111\u0129a t\u1ea7n s\u1ed1 bi\u1ebfn \u0111\u1ed5i, lo\u1ea1i b\u1ecf m\u1ea5t m\u1ed9t pha, \u0111\u1ea3m b\u1ea3o th\u00f4ng gi\u00f3 v\u00e0 l\u00e0m m\u00e1t \u0111\u1ea7y \u0111\u1ee7, ch\u1ec9 \u0111\u1ecbnh c\u00e1c \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng cho chu k\u1ef3 nhi\u1ec7m v\u1ee5 th\u1ef1c t\u1ebf, v\u00e0 d\u1ef1a v\u00e0o ph\u00e1t hi\u1ec7n s\u1edbm \u0111\u1ec3 h\u00e0nh \u0111\u1ed9ng tr\u01b0\u1edbc khi l\u1ed7i nh\u00e2n l\u00ean.<\/li>\n<\/ul>\n<p>Khuy\u1ebft t\u1eadt thanh r\u00f4to l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ed7i \u0111\u1ed9ng c\u01a1 c\u00f3 t\u00ednh ch\u1ea9n \u0111o\u00e1n \u0111\u1eb7c tr\u01b0ng nh\u1ea5t: c\u00e1c sideband t\u1ea7n s\u1ed1 \u0111i qua c\u1ef1c \u0111\u1eb7c tr\u01b0ng c\u1ee7a ch\u00fang l\u00e0m cho ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u0111\u00e1ng tin c\u1eady th\u00f4ng qua c\u1ea3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-diagnostics\/\">ch\u1ea9n \u0111o\u00e1n rung \u0111\u1ed9ng<\/a> v\u00e0 ph\u00e2n t\u00edch d\u00f2ng \u0111i\u1ec7n. B\u1eaft \u0111\u01b0\u1ee3c ch\u00fang s\u1edbm bi\u1ebfn m\u1ed9t s\u1ef1 c\u1ed1 rotor th\u1ea3m h\u1ecda ti\u1ec1m t\u00e0ng v\u00e0 th\u1eddi gian ch\u1ebft kh\u00f4ng \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch k\u00e9o d\u00e0i th\u00e0nh m\u1ed9t s\u1eeda ch\u1eefa \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch, d\u1ec5 qu\u1ea3n l\u00fd.<\/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 c\u00e1c khuy\u1ebft t\u1eadt thanh r\u00f4to trong \u0111\u1ed9ng c\u01a1 l\u1ed3ng s\u00f3c, bao g\u1ed3m thanh g\u00e3y v\u00e0 v\u00f2ng cu\u1ed1i n\u1ee9t, c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n th\u00f4ng qua d\u1ea3i t\u1ea7n s\u1ed1 tr\u01b0\u1ee3t trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng v\u00e0 d\u00f2ng \u0111i\u1ec7n.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-215","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/215","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\/215\/revisions"}],"predecessor-version":[{"id":102163,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/215\/revisions\/102163"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}