{"id":268,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/thermal-bow\/"},"modified":"2026-05-23T23:06:51","modified_gmt":"2026-05-23T23:06:51","slug":"thermal-bow","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/thermal-bow\/","title":{"rendered":"U\u1ed1n tr\u1ee5c b\u1eb1ng nhi\u1ec7t l\u00e0 g\u00ec?"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 cung nhi\u1ec7t trong m\u00e1y m\u00f3c quay<\/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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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>Cung nhi\u1ec7t<\/strong> (c\u00f2n g\u1ecdi l\u00e0 cung n\u00f3ng, u\u1ed1n nhi\u1ec7t ho\u1eb7c cung tr\u1ee5c do nhi\u1ec7t \u0111\u1ed9) l\u00e0 \u0111\u1ed9 cong t\u1ea1m th\u1eddi ph\u00e1t tri\u1ec3n trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor\/\">r\u00f4to<\/a> tr\u1ee5c khi nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ec1u tr\u00ean chu vi c\u1ee7a n\u00f3. Khi m\u1ed9t b\u00ean c\u1ee7a tr\u1ee5c ch\u1ea1y n\u00f3ng h\u01a1n b\u00ean \u0111\u1ed1i di\u1ec7n, b\u00ean n\u00f3ng gi\u00e3n n\u1edf h\u01a1n, d\u00e0i h\u01a1n, v\u00e0 bu\u1ed9c tr\u1ee5c v\u00e0o m\u1ed9t cung v\u1edbi b\u00ean n\u00f3ng tr\u00ean m\u1eb7t l\u1ed3i (ngo\u00e0i) c\u1ee7a \u0111\u01b0\u1eddng cong. Kh\u00f4ng gi\u1ed1ng nh\u01b0 cong v\u0129nh vi\u1ec5n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/shaft-bow\/\">\u0111\u1ed9 cong tr\u1ee5c<\/a> theo sau thi\u1ec7t h\u1ea1i c\u01a1 h\u1ecdc, cong nhi\u1ec7t l\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c: n\u00f3 tan bi\u1ebfn khi tr\u1ee5c quay tr\u1edf l\u1ea1i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec1u. Tuy nhi\u00ean, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra rung \u0111\u1ed9ng n\u1eb7ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a> trong qu\u00e1 tr\u00ecnh n\u00f3ng l\u00ean v\u00e0 h\u1ea1 nhi\u1ec7t \u0111\u1ed9, v\u00e0 n\u1ebfu n\u00f3 nghi\u00eam tr\u1ecdng ho\u1eb7c kh\u00f4ng ng\u1eebng l\u1eb7p l\u1ea1i n\u00f3 c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i thi\u1ec7t h\u1ea1i v\u0129nh vi\u1ec5n trong d\u1ea5u ch\u00e2n c\u1ee7a n\u00f3.<\/p>\n<h2>1. \u0110\u1ecbnh ngh\u0129a: Cong Nhi\u1ec7t L\u00e0 G\u00ec<\/h2>\n<p>Cong nhi\u1ec7t \u0111\u01b0\u1ee3c coi l\u00e0 sai s\u00f3t h\u00ecnh h\u1ecdc t\u1ea1m th\u1eddi t\u1ed1t nh\u1ea5t. Tr\u1ee5c kh\u00f4ng ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 kh\u00f4ng c\u00f3 g\u00ec sai v\u1edbi ph\u00e2n b\u1ed1 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a n\u00f3; n\u00f3 ch\u1ec9 \u0111\u01a1n gi\u1ea3n b\u1ecb u\u1ed1n, trong th\u1eddi gian th\u1ef1c, b\u1edfi gradient nhi\u1ec7t \u0111\u1ed9 qua \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a n\u00f3. B\u1edfi v\u00ec s\u1ef1 u\u1ed1n l\u00e0 h\u00ecnh h\u1ecdc v\u00e0 quay c\u00f9ng tr\u1ee5c, rung \u0111\u1ed9ng k\u1ebft qu\u1ea3 n\u1eb1m \u1edf <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh<\/a> v\u00e0 tr\u00f4ng, tr\u00ean ph\u1ed5, g\u1ea7n gi\u1ed1ng h\u1ec7t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a>. S\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng l\u00e0 cong nhi\u1ec7t \u0111\u1ebfn v\u00e0 \u0111i v\u1edbi nhi\u1ec7t \u0111\u1ed9, trong khi kh\u00f4ng c\u00e2n b\u1eb1ng l\u00e0 c\u1ed1 \u0111\u1ecbnh. M\u1ed9t d\u1ea5u hi\u1ec7u h\u00e0nh vi duy nh\u1ea5t \u2014 rung \u0111\u1ed9ng theo d\u00f5i tr\u1ea1ng th\u00e1i nhi\u1ec7t c\u1ee7a m\u00e1y ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1ed1c \u0111\u1ed9 c\u1ee7a n\u00f3 \u2014 l\u00e0 s\u1ee3i ch\u1ec9 l\u00e0m th\u00e1o g\u1ee1 to\u00e0n b\u1ed9 ch\u1ea9n \u0111o\u00e1n.<\/p>\n<h2>2. C\u01a1 ch\u1ebf v\u1eadt l\u00fd<\/h2>\n<h3>2.1 Ch\u00eanh l\u1ec7ch Ph\u81a8n\u1edf Nhi\u1ec7t \u0111\u1ed9<\/h3>\n<p>Nguy\u00ean l\u00fd v\u1eadt l\u00fd \u0111\u1eb1ng sau cung nhi\u1ec7t r\u1ea5t \u0111\u01a1n gi\u1ea3n:<\/p>\n<ul>\n<li>Kim lo\u1ea1i gi\u00e3n n\u1edf khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng (h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u01b0\u1eddng l\u00e0 10\u201315 \u00b5m\/m\/\u00b0C cho th\u00e9p).<\/li>\n<li>N\u1ebfu nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec1u tr\u00ean to\u00e0n chu vi, s\u1ef1 gi\u00e3n n\u1edf l\u00e0 \u0111\u1ed1i x\u1ee9ng \u2014 tr\u1ee5c ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 d\u00e0i th\u00eam nh\u01b0ng v\u1eabn th\u1eb3ng.<\/li>\n<li>N\u1ebfu m\u1ed9t b\u00ean n\u00f3ng h\u01a1n, b\u00ean \u0111\u00f3 s\u1ebd n\u1edf ra nhi\u1ec1u h\u01a1n b\u00ean l\u1ea1nh h\u01a1n<\/li>\n<li>S\u1ef1 gi\u00e3n n\u1edf kh\u00f4ng \u0111\u1ec1u bu\u1ed9c tr\u1ee5c ph\u1ea3i cong.<\/li>\n<li>\u0110\u1ed9 l\u1edbn c\u1ee7a s\u1ef1 cong v\u1ecdng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi c\u1ea3 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 v\u00e0 chi\u1ec1u d\u00e0i tr\u1ee5c.<\/li>\n<\/ul>\n<p>H\u1ec7 s\u1ed1 t\u01b0\u01a1ng t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh gradient n\u00e0y c\u0169ng th\u00fac \u0111\u1ea9y s\u1ef1 t\u0103ng tr\u01b0\u1edfng d\u1ecdc tr\u1ee5c v\u00e0 thay \u0111\u1ed5i \u0111\u1ed9 kh\u00edt m\u00e0 c\u00e1c k\u1ef9 s\u01b0 t\u00ednh to\u00e1n \u1edf n\u01a1i kh\u00e1c; s\u1ed1 h\u1ecdc c\u01a1 b\u1ea3n gi\u1ed1ng h\u1ec7t nh\u01b0 trong <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/thermal-expansion-calculator\/\">M\u00e1y t\u00ednh gi\u00e3n n\u1edf nhi\u1ec7t<\/a>, \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean to\u00e0n \u0111\u01b0\u1eddng k\u00ednh h\u01a1n l\u00e0 d\u1ecdc theo chi\u1ec1u d\u00e0i.<\/p>\n<h3>2.2 Ch\u00eanh l\u1ec7ch Nhi\u1ec7t \u0111\u1ed9 \u0110i\u1ec3n h\u00ecnh<\/h3>\n<ul>\n<li>Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 10\u201320\u00b0C tr\u00ean \u0111\u01b0\u1eddng k\u00ednh c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 cong v\u1ecdng \u0111\u00e1ng ch\u00fa \u00fd.<\/li>\n<li>\u1ede c\u00e1c tua-bin l\u1edbn, ch\u00eanh l\u1ec7ch 30\u201350\u00b0C c\u00f3 th\u1ec3 g\u00e2y ra rung \u0111\u1ed9ng nghi\u00eam tr\u1ecdng.<\/li>\n<li>T\u00e1c d\u1ee5ng n\u00e0y t\u00edch l\u0169y d\u1ecdc theo chi\u1ec1u d\u00e0i tr\u1ee5c, v\u00ec v\u1eady c\u00e1c tr\u1ee5c d\u00e0i v\u1ec1 c\u01a1 b\u1ea3n d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng h\u01a1n.<\/li>\n<\/ul>\n<h2>3. Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn c\u1ee7a s\u1ef1 cong v\u1ecdng nhi\u1ec7t<\/h2>\n<h3>3.1 \u0110i\u1ec1u ki\u1ec7n Kh\u1edfi \u0111\u1ed9ng (Ph\u1ed5 bi\u1ebfn nh\u1ea5t)<\/h3>\n<ul>\n<li><strong>S\u1ef1 l\u00e0m n\u00f3ng kh\u00f4ng \u0111\u1ed1i x\u1ee9ng:<\/strong> h\u01a1i n\u01b0\u1edbc n\u00f3ng, kh\u00ed, ho\u1eb7c ch\u1ea5t l\u1ecfng x\u1eed l\u00fd ti\u1ebfp x\u00fac ph\u00eda tr\u00ean tr\u1ee5c trong khi ph\u00eda d\u01b0\u1edbi \u1edf l\u1ea1nh h\u01a1n.<\/li>\n<li><strong>Gia nhi\u1ec7t b\u1ee9c x\u1ea1:<\/strong> nhi\u1ec7t t\u1eeb c\u00e1c v\u1ecf n\u00f3ng ho\u1eb7c \u1ed1ng d\u1eabn l\u00e0m n\u00f3ng ph\u1ea7n tr\u00ean c\u1ee7a tr\u1ee5c.<\/li>\n<li><strong>Ma s\u00e1t \u1ed5 tr\u1ee5c:<\/strong> m\u1ed9t \u1ed5 tr\u1ee5c ch\u1ea1y n\u00f3ng h\u01a1n c\u00e1c \u1ed5 kh\u00e1c l\u00e0m n\u00f3ng \u0111o\u1ea1n tr\u1ee5c c\u1ee5c b\u1ed9 c\u1ee7a n\u00f3.<\/li>\n<li><strong>Kh\u1edfi \u0111\u1ed9ng nhanh:<\/strong> th\u1eddi gian kh\u1edfi \u0111\u1ed9ng kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 c\u00e1c gradient nhi\u1ec7t t\u00edch l\u0169y tr\u01b0\u1edbc khi ch\u00fang c\u00f3 th\u1ec3 c\u00e2n b\u1eb1ng.<\/li>\n<\/ul>\n<h3>3.2 \u0110i\u1ec1u ki\u1ec7n T\u1eaft m\u00e1y (Ch\u00f9ng l\u00e9p Nhi\u1ec7t)<\/h3>\n<ul>\n<li><strong>D\u1eebng m\u00e1y khi c\u00f2n n\u00f3ng:<\/strong> tr\u1ee5c d\u1eebng quay trong khi v\u1eabn n\u00f3ng.<\/li>\n<li><strong>Ch\u00f9ng l\u00e9p do tr\u1ecdng l\u1ef1c:<\/strong> nhi\u1ec7t t\u1ecfa l\u00ean tr\u00ean, v\u00ec v\u1eady ph\u1ea7n tr\u00ean c\u1ee7a m\u1ed9t tr\u1ee5c n\u1eb1m ngang ngu\u1ed9i \u0111i nhanh h\u01a1n ph\u00eda d\u01b0\u1edbi.<\/li>\n<li><strong>Ch\u00f9ng l\u00e9p cong do nhi\u1ec7t:<\/strong> ph\u1ea7n d\u01b0\u1edbi v\u1eabn n\u00f3ng h\u01a1n l\u00e2u h\u01a1n, v\u00ec v\u1eady tr\u1ee5c b\u1ecb cong xu\u1ed1ng.<\/li>\n<li><strong>Giai \u0111o\u1ea1n t\u1edbi h\u1ea1n:<\/strong> v\u00e0i gi\u1edd \u0111\u1ea7u ti\u00ean sau khi d\u1eebng m\u00e1y.<\/li>\n<\/ul>\n<h3>3.3 Nguy\u00ean nh\u00e2n V\u1eadn h\u00e0nh<\/h3>\n<ul>\n<li><strong>X\u00e1t gi\u1eefa roto v\u00e0 stator:<\/strong> ma s\u00e1t t\u1eeb ti\u1ebfp x\u00fac t\u1ea1o ra s\u1ef1 n\u00f3ng l\u00ean c\u1ee5c b\u1ed9 d\u1eef d\u1ed9i \u2014 m\u1ed9t c\u01a1 ch\u1ebf t\u1ef1 t\u0103ng c\u01b0\u1eddng \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1 d\u01b0\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor-rub\/\">ti\u1ebfng k\u00eau do c\u00e1nh qu\u1ea1t c\u1ecd x\u00e1t<\/a>.<\/li>\n<li><strong>L\u00e0m l\u1ea1nh kh\u00f4ng \u0111\u1ec1u:<\/strong> d\u00f2ng kh\u00ed l\u00e0m m\u00e1t kh\u00f4ng \u0111\u1ed1i x\u1ee9ng ho\u1eb7c phun n\u01b0\u1edbc.<\/li>\n<li><strong>Nhi\u1ec7t t\u1eeb \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi:<\/strong> thi\u1ebft b\u1ecb ngo\u00e0i tr\u1eddi v\u1edbi m\u1eb7t tr\u1eddi chi\u1ebfu v\u00e0o m\u1ed9t b\u00ean.<\/li>\n<li><strong>R\u1ed1i lo\u1ea1n qu\u00e1 tr\u00ecnh:<\/strong> nh\u1eefng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t trong ch\u1ea5t l\u1ecfng l\u00e0m vi\u1ec7c.<\/li>\n<\/ul>\n<p>Tr\u01b0\u1eddng h\u1ee3p rub x\u1ee9ng \u0111\u00e1ng \u0111\u01b0\u1ee3c ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t. M\u1ed9t s\u1ef1 rub nh\u1eb9 l\u00e0m n\u00f3ng m\u1ed9t \u0111i\u1ec3m, l\u00e0m u\u1ed1n tr\u1ee5c, l\u00e0m \u0111\u1ea9y m\u1ea1nh \u0111i\u1ec3m \u0111\u00f3 v\u00e0o l\u00f3t ch\u1eb7t h\u01a1n, l\u00e0m n\u00f3ng n\u00f3 th\u00eam \u2014 m\u1ed9t v\u00f2ng ph\u1ea3n h\u1ed3i tr\u1ed1n tho\u00e1t (\u0111\u00f4i khi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7u \u1ee9ng Newkirk) c\u00f3 th\u1ec3 bi\u1ebfn m\u1ed9t ti\u1ebfp x\u00fac nh\u1ecf th\u00e0nh rung \u0111\u1ed9ng d\u1eef d\u1ed9i trong v\u00e0i ph\u00fat.<\/p>\n<h2>4. Bi\u1ec3u hi\u1ec7n v\u00e0 Ph\u00e1t hi\u1ec7n<\/h2>\n<h3>4.1 \u0110\u1eb7c t\u00ednh Rung \u0111\u1ed9ng<\/h3>\n<p>U\u1ed1n nhi\u1ec7t t\u1ea1o ra m\u1ed9t t\u1eadp h\u1ee3p bi\u1ec3u hi\u1ec7n \u0111\u1eb7c tr\u01b0ng:<\/p>\n<ul>\n<li><strong>T\u1ea7n s\u1ed1:<\/strong> 1\u00d7 t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh \u2014 c\u1ed5 \u0111i\u1ec3n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/synchronous-vibration\/\">rung \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9<\/a>.<\/li>\n<li><strong>Th\u1eddi gian:<\/strong> cao trong giai \u0111o\u1ea1n kh\u1edfi \u0111\u1ed9ng, gi\u1ea3m khi \u0111\u1ea1t c\u00e2n b\u1eb1ng nhi\u1ec7t.<\/li>\n<li><strong>Thay \u0111\u1ed5i pha:<\/strong> c\u00e1i <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase-angle\/\">g\u00f3c pha<\/a> thay \u0111\u1ed5i khi u\u1ed1n ph\u00e1t tri\u1ec3n v\u00e0 sau \u0111\u00f3 gi\u1ea3i quy\u1ebft.<\/li>\n<li><strong>Rung \u0111\u1ed9ng quay ch\u1eadm:<\/strong> ch\u1ec9 s\u1ed1 rung cao ngay c\u1ea3 \u1edf t\u1ed1c \u0111\u1ed9 r\u1ea5t th\u1ea5p, kh\u00e1c v\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a>.<\/li>\n<li><strong>V\u1ebb b\u1ec1 ngo\u00e0i:<\/strong> tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ea5t c\u00e2n b\u1eb1ng, nh\u01b0ng n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9.<\/li>\n<\/ul>\n<h3>4.2 Ph\u00e2n bi\u1ec7t U\u1ed1n Nhi\u1ec7t v\u1edbi M\u1ea5t C\u00e2n B\u1eb1ng<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>M\u1ea5t c\u00e2n b\u1eb1ng<\/th>\n<th>Cung nhi\u1ec7t<\/th>\n<\/tr>\n<tr>\n<td>T\u1ea7n s\u1ed1<\/td>\n<td>1\u00d7 t\u1ed1c \u0111\u1ed9 ch\u1ea1y<\/td>\n<td>1\u00d7 t\u1ed1c \u0111\u1ed9 ch\u1ea1y<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 nh\u1ea1y nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>T\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh<\/td>\n<td>Cao trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng\/h\u1ea1 nhi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td>Quay Ch\u1eadm (50\u2013200 RPM)<\/td>\n<td>Bi\u00ean \u0111\u1ed9 r\u1ea5t th\u1ea5p<\/td>\n<td>Bi\u00ean \u0111\u1ed9 cao<\/td>\n<\/tr>\n<tr>\n<td>Pha so v\u1edbi Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>Kh\u00f4ng thay \u0111\u1ed5i<\/td>\n<td>Thay \u0111\u1ed5i khi cung ph\u00e1t tri\u1ec3n<\/td>\n<\/tr>\n<tr>\n<td>S\u1ef1 ki\u00ean tr\u00ec<\/td>\n<td>Lu\u00f4n lu\u00f4n kh\u00f4ng \u0111\u1ed5i<\/td>\n<td>T\u1ea1m th\u1eddi, gi\u1ea3i quy\u1ebft \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng nhi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea3n \u1ee9ng v\u1edbi s\u1ef1 c\u00e2n b\u1eb1ng<\/td>\n<td>Gi\u1ea3m rung \u0111\u1ed9ng<\/td>\n<td>C\u1ea3i thi\u1ec7n t\u1ed1i thi\u1ec3u ho\u1eb7c kh\u00f4ng c\u1ea3i thi\u1ec7n<\/td>\n<\/tr>\n<\/table>\n<p>V\u1ebd bi\u00ean \u0111\u1ed9 v\u00e0 pha so v\u1edbi th\u1eddi gian \u2014 ho\u1eb7c so v\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00f2ng bi \u2014 chuy\u1ec3n nh\u1eefng h\u00e0ng b\u1ea3ng n\u00e0y th\u00e0nh m\u1ed9t b\u1ee9c tranh kh\u00f4ng th\u1ec3 hi\u1ec3u l\u1ea7m: m\u1ed9t vector dao \u0111\u1ed9ng quanh khi rotor n\u00f3ng l\u00ean v\u00e0 sau \u0111\u00f3 \u1ed5n \u0111\u1ecbnh l\u00e0 u\u1ed1n nhi\u1ec7t, trong khi vector \u0111\u1ee9ng y\u00ean l\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng. A <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/polar-plot\/\">\u00e2m m\u01b0u c\u1ef1c<\/a> \u0111\u01b0\u1ee3c ghi l\u1ea1i trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/startup-vibration\/\">kh\u1edfi \u0111\u1ed9ng<\/a> hi\u1ec3n th\u1ecb s\u1ef1 di chuy\u1ec3n n\u00e0y m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng.<\/p>\n<h3>4.3 C\u00e1c B\u00e0i Ki\u1ec3m Tra Ch\u1ea9n \u0110o\u00e1n<\/h3>\n<h4>4.3.1 B\u00e0i Ki\u1ec3m Tra Rung Quay Ch\u1eadm<\/h4>\n<ul>\n<li>Quay tr\u1ee5c \u1edf 5\u201310% t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh.<\/li>\n<li>\u0110o \u0111\u1ed9 rung v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/run-out\/\">ch\u1ea1y ra ngo\u00e0i<\/a>.<\/li>\n<li>Rung \u0111\u1ed9ng l\u0103n ch\u1eadm cao cho th\u1ea5y u\u1ed1n nhi\u1ec7t ho\u1eb7c c\u01a1 h\u1ecdc, kh\u00f4ng ph\u1ea3i m\u1ea5t c\u00e2n b\u1eb1ng, c\u00f3 l\u1ef1c kh\u00f4ng \u0111\u00e1ng k\u1ec3 \u1edf t\u1ed1c \u0111\u1ed9 th\u1ea5p nh\u01b0 v\u1eady.<\/li>\n<\/ul>\n<h4>4.3.2 Gi\u00e1m s\u00e1t Nhi\u1ec7t \u0111\u1ed9<\/h4>\n<ul>\n<li>Gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9 tr\u1ee5c ho\u1eb7c v\u00f2ng bi trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng, t\u1ed1t nh\u1ea5t l\u00e0 v\u1edbi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/temperature-sensor\/\">c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9<\/a> t\u1ea1i nhi\u1ec1u \u0111i\u1ec3m kh\u00e1c nhau.<\/li>\n<li>\u0110o nhi\u1ec7t \u0111\u1ed9 t\u1ea1i nhi\u1ec1u v\u1ecb tr\u00ed xung quanh chu vi \u1ed5 tr\u1ee5c<\/li>\n<li>T\u01b0\u01a1ng quan nh\u1eefng thay \u0111\u1ed5i rung \u0111\u1ed9ng v\u1edbi gradient nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c \u0111o.<\/li>\n<\/ul>\n<h4>4.3.3 Theo D\u00f5i Xu H\u01b0\u1edbng Rung Kh\u1edfi \u0110\u1ed9ng<\/h4>\n<ul>\n<li>V\u1ebd bi\u00ean \u0111\u1ed9 rung so v\u1edbi th\u1eddi gian trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng n\u00f3ng.<\/li>\n<li>U\u1ed1n nhi\u1ec7t: cao l\u00fac \u0111\u1ea7u, sau \u0111\u00f3 gi\u1ea3m khi c\u00e2n b\u1eb1ng ti\u1ebfp c\u1eadn.<\/li>\n<li>M\u1ea5t c\u00e2n b\u1eb1ng: t\u0103ng theo t\u1ed1c \u0111\u1ed9 v\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9.<\/li>\n<\/ul>\n<h2>5. C\u00e1c Chi\u1ebfn L\u01b0\u1ee3c Ph\u00f2ng Ch\u1ed1ng<\/h2>\n<h3>5.1 Quy Tr\u00ecnh V\u1eadn H\u00e0nh<\/h3>\n<h4>5.1.1 Quy Tr\u00ecnh Kh\u1edfi \u0110\u1ed9ng Th\u00edch H\u1ee3p<\/h4>\n<ul>\n<li><strong>T\u0103ng nhi\u1ec7t \u0111\u1ed9 d\u1ea7n d\u1ea7n:<\/strong> \u0111\u1ec3 tr\u1ee5c n\u00f3ng l\u00ean \u0111\u1ec1u.<\/li>\n<li><strong>Th\u1eddi gian kh\u1edfi \u0111\u1ed9ng k\u00e9o d\u00e0i:<\/strong> c\u00e1c tuabin l\u1edbn c\u00f3 th\u1ec3 c\u1ea7n 2\u20134 gi\u1edd.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9:<\/strong> theo d\u00f5i nhi\u1ec7t \u0111\u1ed9 \u1ed5 tr\u1ee5c v\u00e0 v\u1ecf m\u00e1y.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t \u0111\u1ed9 rung:<\/strong> quan s\u00e1t \u0111\u1ed9 rung trong su\u1ed1t qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng v\u00e0 tr\u00ec ho\u00e3n t\u0103ng t\u1ed1c \u0111\u1ed9 n\u1ebfu \u0111\u1ed9 rung cao.<\/li>\n<\/ul>\n<h4>5.1.2 V\u1eadn h\u00e0nh Thi\u1ebft b\u1ecb Quay<\/h4>\n<ul>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c tuabin l\u1edbn, v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb quay (quay ch\u1eadm, kho\u1ea3ng 3\u201310 v\u00f2ng\/ph\u00fat) trong su\u1ed1t qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng v\u00e0 l\u00e0m m\u00e1t.<\/li>\n<li>Quay li\u00ean t\u1ee5c ng\u0103n ch\u1eb7n \u0111\u1ed9 cong nhi\u1ec7t b\u1eb1ng c\u00e1ch ph\u00e2n b\u1ed5 nhi\u1ec7t \u0111\u1ec1u quanh chu vi.<\/li>\n<li>\u0110\u00e2y l\u00e0 th\u1ef1c ti\u1ec5n ti\u00eau chu\u1ea9n trong ng\u00e0nh \u0111\u1ed1i v\u1edbi c\u00e1c tuabin h\u01a1i n\u01b0\u1edbc tr\u00ean 50 MW.<\/li>\n<li>Thi\u1ebft b\u1ecb quay c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong 8\u201324 gi\u1edd trong su\u1ed1t qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t.<\/li>\n<\/ul>\n<h4>5.1.3 Quy Tr\u00ecnh T\u1eaft M\u00e1y<\/h4>\n<ul>\n<li><strong>L\u00e0m m\u00e1t t\u1eeb t\u1eeb:<\/strong> Gi\u1ea3m t\u1ea3i v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u1eeb t\u1eeb tr\u01b0\u1edbc khi t\u1eaft m\u00e1y<\/li>\n<li><strong>V\u1eadn h\u00e0nh thi\u1ebft b\u1ecb quay k\u00e9o d\u00e0i:<\/strong> gi\u1eef cho rotor quay trong qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t.<\/li>\n<li><strong>Tr\u00e1nh t\u1eaft m\u00e1y n\u00f3ng:<\/strong> D\u1eebng kh\u1ea9n c\u1ea5p khi\u1ebfn tr\u1ee5c n\u00f3ng v\u00e0 d\u1ec5 b\u1ecb v\u00f5ng m\u0169i<\/li>\n<\/ul>\n<h3>5.2 C\u00e1c Bi\u1ec7n Ph\u00e1p Thi\u1ebft K\u1ebf<\/h3>\n<ul>\n<li><strong>C\u00e1ch nhi\u1ec7t nhi\u1ec7t:<\/strong> c\u00e1ch nhi\u1ec7t v\u1ecf m\u00e1y \u0111\u1ec3 gi\u1eef nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec1u.<\/li>\n<li><strong>\u00c1o s\u01b0\u1edfi:<\/strong> m\u00e1y s\u01b0\u1edfi b\u00ean ngo\u00e0i \u0111\u1ec3 l\u00e0m \u1ea5m \u0111\u1ec1u tr\u01b0\u1edbc.<\/li>\n<li><strong>Tho\u00e1t n\u01b0\u1edbc:<\/strong> ng\u0103n ch\u1eb7n n\u01b0\u1edbc ng\u01b0ng t\u1ee5 n\u00f3ng t\u00edch t\u1ee5 \u1edf \u0111\u00e1y tr\u1ee5c.<\/li>\n<li><strong>Th\u00f4ng gi\u00f3:<\/strong> \u0111\u1ea3m b\u1ea3o lu\u1ed3ng kh\u00ed l\u1ea1nh \u0111\u1ed1i x\u1ee9ng.<\/li>\n<\/ul>\n<h2>6. H\u1eadu qu\u1ea3 c\u1ee7a \u0110\u1ed9 cong Nhi\u1ec7t<\/h2>\n<h3>6.1 T\u00e1c \u0110\u1ed9ng Ngay L\u1eadp T\u1ee9c<\/h3>\n<ul>\n<li><strong>Rung \u0111\u1ed9ng cao:<\/strong> c\u00f3 th\u1ec3 \u0111\u1ea1t 5\u201310 l\u1ea7n m\u1ee9c b\u00ecnh th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng, v\u00e0 \u0111\u01b0\u1ee3c khu\u1ebfch \u0111\u1ea1i \u0111\u00e1ng k\u1ec3 n\u1ebfu \u0111\u1ed9 cong bu\u1ed9c rotor \u0111i qua <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/critical-speed\/\">t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n<\/a>.<\/li>\n<li><strong>T\u1ea3i tr\u1ecdng \u1ed5 tr\u1ee5c:<\/strong> cung h\u00ecnh cong b\u1ea5t \u0111\u1ed1i x\u1ee9ng l\u00e0m t\u0103ng t\u1ea3i tr\u1ecdng tr\u00ean v\u00f2ng bi.<\/li>\n<li><strong>Ma s\u00e1t ph\u1edbt l\u00e0m k\u00edn:<\/strong> \u0110\u1ed9 l\u1ec7ch tr\u1ee5c c\u00f3 th\u1ec3 g\u00e2y ra ti\u1ebfp x\u00fac v\u1edbi ph\u1edbt ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn c\u1ed1 \u0111\u1ecbnh<\/li>\n<li><strong>Tr\u1ec5 kh\u1edfi \u0111\u1ed9ng:<\/strong> phi h\u00e0nh \u0111o\u00e0n ph\u1ea3i ch\u1edd \u0111\u1ed9 rung gi\u1ea3m tr\u01b0\u1edbc khi t\u0103ng t\u1ed1c \u0111\u1ed9.<\/li>\n<\/ul>\n<h3>6.2 H\u01b0 h\u1ecfng D\u00e0i H\u1ea1n<\/h3>\n<ul>\n<li><strong>M\u00f2n v\u00f2ng bi:<\/strong> rung l\u1eb7p l\u1ea1i cao t\u1ed1c \u0111\u1ed9 gia t\u1ed1c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-wear\/\">m\u00f2n \u1ed5 tr\u1ee5c<\/a>.<\/li>\n<li><strong>H\u01b0 h\u1ecfng ph\u1edbt l\u00e0m k\u00edn:<\/strong> ma s\u00e1t l\u1eb7p l\u1ea1i ph\u00e1 h\u1ee7y c\u00e1c th\u00e0nh ph\u1ea7n l\u00f3t.<\/li>\n<li><strong>M\u1ec7t m\u1ecfi:<\/strong> \u1ee9ng su\u1ea5t u\u1ed1n tu\u1ea7n ho\u00e0n c\u1ee7a m\u1ed7i l\u1ea7n kh\u1edfi \u0111\u1ed9ng g\u00f3p ph\u1ea7n v\u00e0o <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fatigue\/\">M\u1ec7t m\u1ecfi<\/a> su\u1ed1t tu\u1ed5i th\u1ecd c\u1ee7a rotor&#8217;s.<\/li>\n<li><strong>Bi\u1ebfn d\u1ea1ng d\u01b0:<\/strong> h\u00ecnh cong nhi\u1ec7t nghi\u00eam tr\u1ecdng ho\u1eb7c l\u1eb7p \u0111i l\u1eb7p l\u1ea1i cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 g\u00e2y bi\u1ebfn d\u1ea1ng d\u1ebbo v\u0129nh vi\u1ec5n &mdash; t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3, s\u1ef1 c\u1ed1 thu\u1eadn ngh\u1ecbch \u0111\u00e3 tr\u1edf th\u00e0nh s\u1ef1 c\u1ed1 v\u0129nh vi\u1ec5n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/shaft-bow\/\">\u0111\u1ed9 cong tr\u1ee5c<\/a>.<\/li>\n<\/ul>\n<h2>7. Hi\u1ec7u Ch\u1ec9nh v\u00e0 Gi\u1ea3m Thi\u1ec3u<\/h2>\n<h3>7.1 \u0110\u1ec3 Hi\u1ec7u Ch\u1ec9nh H\u00ecnh Cong Nhi\u1ec7t Ch\u1ee7 \u0110\u1ed9ng<\/h3>\n<ul>\n<li><strong>Cho ph\u00e9p th\u1eddi gian:<\/strong> Ch\u1edd c\u00e2n b\u1eb1ng nhi\u1ec7t tr\u01b0\u1edbc khi t\u0103ng t\u1ed1c \u0111\u1ed9<\/li>\n<li><strong>Quay ch\u1eadm (Slow roll):<\/strong> quay ch\u1eadm \u0111\u1ec3 ph\u00e2n ph\u1ed1i l\u1ea1i nhi\u1ec7t \u1edf n\u01a1i c\u00f3 th\u1ec3.<\/li>\n<li><strong>Kh\u00f4ng c\u1ed1 g\u1eafng c\u00e2n b\u1eb1ng:<\/strong> <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/balancing\/\">c\u00e2n b\u1eb1ng<\/a> kh\u00f4ng th\u1ec3 s\u1eeda ch\u1eefa h\u00ecnh cong nhi\u1ec7t v\u00e0 s\u1ebd kh\u00f4ng hi\u1ec7u qu\u1ea3.<\/li>\n<li><strong>Gi\u1ea3i quy\u1ebft ngu\u1ed3n nhi\u1ec7t:<\/strong> x\u00e1c \u0111\u1ecbnh v\u00e0 lo\u1ea1i b\u1ecf s\u1ef1 l\u00e0m n\u00f3ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng.<\/li>\n<\/ul>\n<h3>7.2 \u0110\u1ec3 Hi\u1ec7u Ch\u1ec9nh H\u00ecnh Cong S\u00f9i Nhi\u1ec7t (Sau Khi T\u1eaft)<\/h3>\n<ul>\n<li><strong>Thi\u1ebft b\u1ecb quay:<\/strong> gi\u1eef cho rotor quay ch\u1eadm su\u1ed1t qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t.<\/li>\n<li><strong>Th\u1eddi gian quay k\u00e9o d\u00e0i:<\/strong> c\u00f3 th\u1ec3 c\u1ea7n 12&#8211;24 gi\u1edd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb quay.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9:<\/strong> ti\u1ebfp t\u1ee5c cho \u0111\u1ebfn khi nhi\u1ec7t \u0111\u1ed9 tr\u1ee5c l\u00e0 \u0111\u1ec1u.<\/li>\n<li><strong>Kh\u1edfi \u0111\u1ed9ng tr\u00ec ho\u00e3n:<\/strong> N\u1ebfu cung \u0111\u00e3 ph\u00e1t tri\u1ec3n, h\u00e3y \u0111\u1ee3i cho th\u1eb3ng t\u1ef1 nhi\u00ean tr\u01b0\u1edbc khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i<\/li>\n<\/ul>\n<h2>8. Nh\u1eefng c\u00e2n nh\u1eafc \u0111\u1eb7c th\u00f9 trong ng\u00e0nh<\/h2>\n<h3>8.1 Tua bin h\u01a1i n\u01b0\u1edbc<\/h3>\n<ul>\n<li>C\u00e1c m\u00e1y d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng nh\u1ea5t, do nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 rotor kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn.<\/li>\n<li>C\u00e1c quy tr\u00ecnh l\u00e0m n\u00f3ng \u0111\u1ed9ng c\u01a1 v\u00e0 l\u00e0m m\u00e1t k\u1ef9 l\u01b0\u1ee1ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n.<\/li>\n<li>Thi\u1ebft b\u1ecb quay l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi c\u00e1c m\u00e1y c\u00f3 c\u00f4ng su\u1ea5t tr\u00ean 50 MW.<\/li>\n<li>Ch\u00fang c\u00f3 th\u1ec3 c\u1ea7n 2&ndash;4 gi\u1edd l\u00e0m n\u00f3ng \u0111\u1ed9ng c\u01a1 v\u00e0 12&ndash;24 gi\u1edd l\u00e0m m\u00e1t tr\u00ean thi\u1ebft b\u1ecb quay.<\/li>\n<\/ul>\n<h3>8.2 Tua bin kh\u00ed \u0111\u1ed1t<\/h3>\n<ul>\n<li>\u0110\u00e1p \u1ee9ng nhi\u1ec7t nhanh h\u01a1n do kh\u1ed1i l\u01b0\u1ee3ng rotor nh\u1ecf h\u01a1n.<\/li>\n<li>Cong nhi\u1ec7t l\u00fac kh\u1edfi \u0111\u1ed9ng \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 x\u1ea3y ra.<\/li>\n<li>T\u1ecfa nhi\u1ec7t ph\u00eda ch\u00e1y c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 b\u1ea5t \u0111\u1ed1i x\u1ee9ng theo chu vi.<\/li>\n<li>C\u00e1c chu k\u1ef3 l\u00e0m n\u00f3ng \u0111\u1ed9ng c\u01a1 th\u01b0\u1eddng nhanh h\u01a1n so v\u1edbi tua bin h\u01a1i n\u01b0\u1edbc.<\/li>\n<\/ul>\n<h3>8.3 \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n l\u1edbn v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/h3>\n<ul>\n<li>Cong nhi\u1ec7t c\u00f3 th\u1ec3 ph\u00e1t sinh t\u1eeb t\u1ecfa nhi\u1ec7t c\u1ee7a cu\u1ed9n d\u00e2y rotor ho\u1eb7c ma s\u00e1t v\u00f2ng bi.<\/li>\n<li>C\u00e1c l\u1eafp \u0111\u1eb7t ngo\u00e0i tr\u1eddi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a t\u1ecfa nhi\u1ec7t m\u1eb7t tr\u1eddi tr\u00ean m\u1ed9t ph\u00eda.<\/li>\n<li>Quay ho\u1eb7c gia nhi\u1ec7t tr\u01b0\u1edbc kh\u1edfi \u0111\u1ed9ng c\u00f3 th\u1ec3 l\u00e0 c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n<h2>9. Gi\u00e1m s\u00e1t v\u00e0 c\u1ea3nh b\u00e1o<\/h2>\n<h3>9.1 C\u00e1c th\u00f4ng s\u1ed1 gi\u00e1m s\u00e1t ch\u00ednh<\/h3>\n<ul>\n<li><strong>Rung \u0111\u1ed9ng quay ch\u1eadm:<\/strong> \u0111o l\u01b0\u1eddng \u1edf t\u1ed1c \u0111\u1ed9 th\u1ea5p tr\u01b0\u1edbc khi kh\u1edfi \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/li>\n<li><strong>Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 v\u00f2ng bi:<\/strong> so s\u00e1nh nhi\u1ec7t \u0111\u1ed9 tr\u00ean v\u00e0 d\u01b0\u1edbi.<\/li>\n<li><strong>Rung l\u1eafc so v\u1edbi nhi\u1ec7t \u0111\u1ed9:<\/strong> v\u1ebd bi\u00ean \u0111\u1ed9 so v\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00f2ng bi.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">G\u00f3c pha<\/a>:<\/strong> theo d\u00f5i s\u1ef1 thay \u0111\u1ed5i pha bi\u1ec3u hi\u1ec7n cong nhi\u1ec7t \u0111ang ph\u00e1t tri\u1ec3n.<\/li>\n<\/ul>\n<h3>9.2 Ti\u00eau ch\u00ed c\u1ea3nh b\u00e1o<\/h3>\n<ul>\n<li>Rung l\u1eafc l\u0103n ch\u1eadm l\u1edbn h\u01a1n 2\u00d7 gi\u00e1 tr\u1ecb c\u01a1 s\u1edf k\u00edch ho\u1ea1t b\u00e1o \u0111\u1ed9ng.<\/li>\n<li>Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 tr\u00ean 15\u201320\u00b0C ch\u1ec9 ra s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng nhi\u1ec7t.<\/li>\n<li>S\u1ef1 thay \u0111\u1ed5i pha nhanh ch\u00f3ng (h\u01a1n 30\u00b0 trong 10 ph\u00fat) g\u1ee3i \u00fd cong nhi\u1ec7t \u0111ang ph\u00e1t tri\u1ec3n.<\/li>\n<li>\u0110\u1ed9 rung t\u0103ng l\u00ean trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng thay v\u00ec gi\u1ea3m<\/li>\n<\/ul>\n<p>Nh\u1eefng ti\u00eau ch\u00ed n\u00e0y ph\u00f9 h\u1ee3p m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean v\u00e0o m\u1ed9t ti\u00eau ch\u00ed r\u1ed9ng h\u01a1n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/condition-monitoring\/\">gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng<\/a> ch\u01b0\u01a1ng tr\u00ecnh, n\u01a1i d\u1eef li\u1ec7u kh\u1edfi \u0111\u1ed9ng v\u00e0 \u0111i v\u00e0o tr\u1ea1ng th\u00e1i d\u1eebng \u0111\u01b0\u1ee3c ghi l\u1ea1i nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/transient-vibration\/\">rung \u0111\u1ed9ng tho\u00e1ng qua<\/a> ghi nh\u1eadn l\u1ecbch s\u1eed thay v\u00ec \u1ea3nh ch\u1ee5p tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh.<\/p>\n<h2>10. C\u00e1c chi\u1ebfn l\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng n\u00e2ng cao<\/h2>\n<h3>10.1 Gia t\u1ed1c \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/h3>\n<ol>\n<li><strong>L\u0103n ch\u1eadm ban \u0111\u1ea7u:<\/strong> x\u00e1c minh rung \u0111\u1ed9ng ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c \u1edf 100&ndash;200 rpm.<\/li>\n<li><strong>Gia t\u1ed1c ph\u00e2n giai \u0111o\u1ea1n:<\/strong> t\u0103ng l\u00ean c\u00e1c t\u1ed1c \u0111\u1ed9 trung gian (v\u00ed d\u1ee5 30%, 50%, 70% b\u00ecnh th\u01b0\u1eddng) v\u1edbi c\u00e1c pha d\u1eebng.<\/li>\n<li><strong>C\u00e1c kho\u1ea3ng th\u1eddi gian th\u1ea5m th\u1ee9a nhi\u1ec7t:<\/strong> gi\u1eef t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i trong 15&ndash;30 ph\u00fat \u1edf m\u1ed7i giai \u0111o\u1ea1n.<\/li>\n<li><strong>X\u00e1c minh dao \u0111\u1ed9ng:<\/strong> x\u00e1c nh\u1eadn r\u1eb1ng dao \u0111\u1ed9ng \u0111ang gi\u1ea3m \u1edf t\u1eebng giai \u0111o\u1ea1n tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9:<\/strong> \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c gradient nhi\u1ec7t \u0111ang thu h\u1eb9p trong su\u1ed1t qu\u00e1 tr\u00ecnh.<\/li>\n<\/ol>\n<h3>10.2 H\u1ec7 th\u1ed1ng kh\u1edfi \u0111\u1ed9ng t\u1ef1 \u0111\u1ed9ng<\/h3>\n<p>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9:<\/p>\n<ul>\n<li>C\u00e1c tr\u00ecnh t\u1ef1 kh\u1edfi \u0111\u1ed9ng l\u00ean nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh.<\/li>\n<li>T\u1ef1 \u0111\u1ed9ng gi\u1eef th\u1eddi gian n\u1ebfu v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n rung \u0111\u1ed9ng ho\u1eb7c nhi\u1ec7t \u0111\u1ed9<\/li>\n<li>T\u00ednh to\u00e1n \u0111\u1ed9 l\u1ec7ch cung trong th\u1eddi gian th\u1ef1c t\u1eeb dao \u0111\u1ed9ng v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li>H\u1ed3 s\u01a1 t\u1ed1c \u0111\u1ed9 th\u00edch \u1ee9ng d\u1ef1a tr\u00ean c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111o \u0111\u01b0\u1ee3c<\/li>\n<\/ul>\n<h2>11. M\u1ed1i Quan H\u1ec7 V\u1edbi C\u00e1c Hi\u1ec7n T\u01b0\u1ee3ng Kh\u00e1c<\/h2>\n<h3>11.1 Cong nhi\u1ec7t so v\u1edbi Cong v\u0129nh vi\u1ec5n<\/h3>\n<ul>\n<li><strong>Cung nhi\u1ec7t:<\/strong> t\u1ea1m th\u1eddi, bi\u1ebfn m\u1ea5t khi \u0111\u1ea1t c\u00e2n b\u1eb1ng nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li><strong>\u0110\u1ed9 l\u1ec7ch cung v\u0129nh vi\u1ec5n:<\/strong> bi\u1ebfn d\u1ea1ng d\u1ebbo m\u00e0 v\u1eabn t\u1ed3n t\u1ea1i ngay c\u1ea3 khi tr\u1ee5c \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh.<\/li>\n<li><strong>R\u1ee7i ro:<\/strong> \u0111\u1ed9 l\u1ec7ch cung nhi\u1ec7t nghi\u00eam tr\u1ecdng, l\u1eb7p l\u1ea1i c\u00f3 th\u1ec3 cu\u1ed1i c\u00f9ng g\u00e2y ra m\u1ed9t t\u1eadp h\u1ee3p v\u0129nh vi\u1ec5n.<\/li>\n<\/ul>\n<h3>11.2 \u0110\u1ed9 L\u1ec7ch Cung Nhi\u1ec7t V\u00e0 C\u00e2n B\u1eb1ng<\/h3>\n<ul>\n<li>\u0110ang c\u1ed1 g\u1eafng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/balancing\/\">TH\u0102NG B\u1eb0NG<\/a> c\u00e2n b\u1eb1ng m\u1ed9t rotor khi n\u00f3 b\u1ecb l\u1ec7ch cung nhi\u1ec7t l\u00e0 v\u00f4 \u00edch.<\/li>\n<li>C\u00e1c tr\u1ecdng s\u1ed1 hi\u1ec7u ch\u1ec9nh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n cho t\u00ecnh tr\u1ea1ng l\u1ec7ch cung s\u1ebd sai khi \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng.<\/li>\n<li>Lu\u00f4n cho ph\u00e9p \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 tr\u01b0\u1edbc khi c\u00e2n b\u1eb1ng.<\/li>\n<li>\u0110\u1ed9 l\u1ec7ch cung nhi\u1ec7t c\u0169ng c\u00f3 th\u1ec3 che gi\u1ea5u m\u1ed9t m\u1ea5t c\u00e2n b\u1eb1ng th\u1ef1c t\u1ebf c\u01a1 b\u1ea3n.<\/li>\n<\/ul>\n<p>\u0110\u00f3 ch\u00ednh l\u00e0 l\u00fd do t\u1ea1i sao c\u00e2n b\u1eb1ng t\u1ea1i ch\u1ed7 ph\u1ea3i ch\u1edd tr\u1ea1ng th\u00e1i nhi\u1ec7t \u1ed5n \u0111\u1ecbnh. Khi rotor \u0111\u00e3 th\u1ea5m tho\u00e1t t\u1ea1i t\u1ed1c \u0111\u1ed9 v\u00e0 ph\u00e9p ki\u1ec3m tra \u0111\u1ed9 l\u1ec7ch ch\u1ea1y ch\u1eadm x\u00e1c nh\u1eadn r\u1eb1ng n\u00f3 \u0111ang ch\u1ea1y \u0111\u00fang t\u00e2m, b\u1ed9 ph\u00e2n t\u00edch hai k\u00eanh di \u0111\u1ed9ng nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> c\u00f3 th\u1ec3 \u0111o bi\u00ean \u0111\u1ed9 1\u00d7 v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a>, t\u00ednh to\u00e1n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/influence-coefficient\/\">h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng<\/a>, v\u00e0 x\u00e1c minh <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/residual-unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng c\u00f2n l\u1ea1i<\/a> so v\u1edbi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/iso-21940-11\/\">Ti\u00eau chu\u1ea9n ISO 21940-11<\/a> c\u1ea5p cu\u1ed1i c\u00f9ng \u2014 n\u1eafm b\u1eaft tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng ch\u1ea1y n\u00f3ng th\u1ef1c t\u1ebf m\u00e0 m\u1ed9t m\u00e1y c\u00e2n b\u1eb1ng l\u1ea1nh kh\u00f4ng bao gi\u1edd nh\u00ecn th\u1ea5y. M\u1ee9c d\u01b0 l\u01b0\u1ee3ng m\u1ea5t c\u00e2n b\u1eb1ng cho ph\u00e9p cho c\u00f4ng vi\u1ec7c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u01b0\u1edbc v\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/residual-unbalance-iso1940\/\">C\u00f4ng c\u1ee5 t\u00ednh to\u00e1n \u0111\u1ed9 l\u1ec7ch d\u01b0 (ISO 21940-11)<\/a>.<\/p>\n<h2>12. Th\u1ef1c H\u00e0nh T\u1ed1t Nh\u1ea5t Ph\u00f2ng Ng\u1eeba<\/h2>\n<h3>12.1 \u0110\u1ed1i V\u1edbi C\u00e1c C\u00e0i \u0110\u1eb7t M\u1edbi<\/h3>\n<ul>\n<li>Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m v\u00e0 l\u00e0m l\u1ea1nh \u0111\u1ed1i x\u1ee9ng.<\/li>\n<li>L\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb quay ng\u01b0\u1ee3c cho m\u00e1y m\u00f3c tr\u00ean 100 kW ho\u1eb7c v\u1edbi tr\u1ee5c d\u00e0i h\u01a1n 2 m\u00e9t.<\/li>\n<li>Cung c\u1ea5p h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 ng\u0103n ng\u1eeba t\u00edch t\u1ee5 ch\u1ea5t l\u1ecfng n\u00f3ng<\/li>\n<li>C\u00e1ch nhi\u1ec7t \u0111\u1ec3 gi\u1ea3m thi\u1ec3u truy\u1ec1n nhi\u1ec7t b\u1ee9c x\u1ea1.<\/li>\n<\/ul>\n<h3>12.2 \u0110\u1ed1i v\u1edbi Thi\u1ebft b\u1ecb Hi\u1ec7n t\u1ea1i<\/h3>\n<ul>\n<li>Ph\u00e1t tri\u1ec3n v\u00e0 tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy tr\u00ecnh kh\u1edfi \u0111\u1ed9ng b\u1eb1ng v\u0103n b\u1ea3n<\/li>\n<li>\u0110\u00e0o t\u1ea1o c\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh v\u1ec1 c\u00e1c r\u1ee7i ro v\u00e0 tri\u1ec7u ch\u1ee9ng c\u1ee7a s\u1ef1 u\u1ed1n cong nhi\u1ec7t.<\/li>\n<li>C\u00e0i \u0111\u1eb7t gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9 t\u1ea1i nhi\u1ec1u v\u1ecb tr\u00ed.<\/li>\n<li>S\u1eed d\u1ee5ng xu h\u01b0\u1edbng rung \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 nhi\u1ec7t.<\/li>\n<li>Ghi ch\u00e9p d\u1eef li\u1ec7u l\u1ecbch s\u1eed \u0111\u1ec3 tinh ch\u1ec9nh c\u00e1c th\u1ee7 t\u1ee5c theo th\u1eddi gian.<\/li>\n<\/ul>\n<h3>12.3 C\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o tr\u00ec<\/h3>\n<ul>\n<li>Ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u00e1nh r\u0103ng quay tr\u01b0\u1edbc m\u1ed7i l\u1ea7n t\u1eaft m\u00e1y<\/li>\n<li>Ki\u1ec3m tra hi\u1ec7u chu\u1ea9n c\u1ee7a c\u00e1c c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 v\u00f2ng bi.<\/li>\n<li>Ki\u1ec3m tra c\u00e1c h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc c\u00f3 b\u1ecb t\u1eafc kh\u00f4ng.<\/li>\n<li>X\u00e1c minh t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a l\u1edbp c\u00e1ch \u0111i\u1ec7n.<\/li>\n<li>T\u00ecm v\u00e0 lo\u1ea1i b\u1ecf b\u1ea5t k\u1ef3 ngu\u1ed3n n\u00e0o g\u00e2y ra s\u1ef1 nung n\u00f3ng kh\u00f4ng \u0111\u1ed1i x\u1ee9ng.<\/li>\n<\/ul>\n<p>S\u1ef1 u\u1ed1n cong nhi\u1ec7t, m\u1eb7c d\u00f9 t\u1ea1m th\u1eddi v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c, l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00e1y m\u00f3c quay l\u1edbn. Hi\u1ec3u nh\u1eefng nguy\u00ean nh\u00e2n c\u1ee7a n\u00f3, nh\u1eadn bi\u1ebft c\u00e1c tri\u1ec7u ch\u1ee9ng c\u1ee7a n\u00f3, v\u00e0 tu\u00e2n theo c\u00e1c th\u1ee7 t\u1ee5c kh\u1edfi \u0111\u1ed9ng v\u00e0 l\u00e0m m\u00e1t \u0111\u00fang c\u00e1ch l\u00e0 c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady c\u1ee7a tuabin h\u01a1i n\u01b0\u1edbc, tuabin kh\u00ed, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb quay nhi\u1ec7t \u0111\u1ed9 cao kh\u00e1c&mdash;v\u00e0 \u0111\u1ec3 ph\u00e2n bi\u1ec7t, v\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t rotor ch\u1ec9 c\u1ea7n th\u1eddi gian \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh v\u00e0 m\u1ed9t rotor th\u1ef1c s\u1ef1 c\u1ea7n \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng.<\/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 hi\u1ec7n t\u01b0\u1ee3ng cong nhi\u1ec7t, \u0111\u1ed9 cong tr\u1ee5c t\u1ea1m th\u1eddi do nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ec1u g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng rung trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng, th\u01b0\u1eddng g\u1eb7p \u1edf c\u00e1c tua-bin v\u00e0 \u0111\u1ed9ng c\u01a1 l\u1edbn.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-268","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/268\/revisions"}],"predecessor-version":[{"id":101463,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/268\/revisions\/101463"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}