{"id":78,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/coastdown-analysis\/"},"modified":"2026-05-23T22:41:11","modified_gmt":"2026-05-23T22:41:11","slug":"coastdown-analysis","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/coastdown-analysis\/","title":{"rendered":"Ce este analiza derul\u0103rii \u00een rulare liber\u0103? Testarea vibra\u021biilor la oprire"},"content":{"rendered":"<h1>\u00cen\u021belegerea analizei de decelerare \u00een rulare<\/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\/ro\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii 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=\"Balanset-1A kit complet \u2014 echilibrator portabil \u0219i analizor de vibra\u021bii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A\">Echilibrator portabil \u0219i analizor de vibra\u021bii 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Portable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">\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=\"Prim-plan senzor de vibra\u021bii 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">Senzor de vibra\u021bii<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Vibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu 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=\"Senzor optic (tahometru cu 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">Senzor optic (tahometru cu 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Optical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/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=\"Kit de echilibrare a rotorului Vibromera: geant\u0103 de transport, condi\u021bioner de semnal multicanal, analizor portabil, baz\u0103 magnetic\u0103, senzori de vibra\u021bii \u0219i cabluri spiralate.\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Balanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic 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=\"Baza magnetic\u0103.\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic Insize-60-kgf\">Stand magnetic 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Magnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">\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=\"Band\u0103 reflectorizant\u0103\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">Band\u0103 reflectorizant\u0103<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Reflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; 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=\"Con\u021binutul kitului Balanset-1A cu unitate de interfa\u021b\u0103, senzori, tahometru \u0219i accesorii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; OEM\">Echilibrator dinamic \"Balanset-1A\" 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/78?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Dynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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>Analiza de decelerare \u00een rulare liber\u0103<\/strong> este m\u0103surarea \u0219i evaluarea sistematic\u0103 a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> \u00een timpul deceler\u0103rii de la tura\u021bia de func\u021bionare p\u00e2n\u0103 la oprirea complet\u0103, dup\u0103 deconectarea aliment\u0103rii. Pe \u00eentreg domeniul de tura\u021bii, analizorul \u00eenregistreaz\u0103 amplitudinea, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase\/\">faz\u0103<\/a>\u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/spectrum\/\">con\u021binut spectral<\/a>, astfel \u00eenc\u00e2t o singur\u0103 rulare liber\u0103 nealimentat\u0103 surprinde modul \u00een care se comport\u0103 rotorul la fiecare tura\u021bie prin care trebuie s\u0103 treac\u0103. Interpretate prin <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bode-plot\/\">Diagrame Bode<\/a> \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/waterfall-plot\/\">cascade<\/a>, aceste date dezv\u0103luie <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/critical-speed\/\">viteze critice<\/a>, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/natural-frequency\/\">frecven\u021be naturale<\/a>, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/damping\/\">amortizare<\/a> caracteristici, precum \u0219i comportamentul mai amplu al <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor-dynamics\/\">rotor-dynamic<\/a> care st\u0103 la baza punerii \u00een func\u021biune, depan\u0103rii \u0219i verific\u0103rii periodice a st\u0103rii.<\/p>\n<p>Analiza de decelerare \u00een rulaj este str\u00e2ns legat\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/run-up-analysis\/\">analiza la pornire<\/a>, \u00eens\u0103 prezint\u0103 dou\u0103 avantaje distincte: decelerarea este natural\u0103 \u0219i nealimentat\u0103, ceea ce face testul mai simplu \u0219i mai sigur, iar acesta se efectueaz\u0103 cu ma\u0219ina \u00eenc\u0103 fierbinte, la temperatura de func\u021bionare, \u0219i nu rece, la pornire. Este un test de recep\u021bie standard pentru turboma\u0219ini \u0219i un diagnostic periodic extrem de valoros, de efectuat \u00een timpul unei opriri planificate <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/shutdown\/\">\u00eenchidere<\/a>.<\/p>\n<h2>1. Procedura de testare<\/h2>\n<p>O oprire prin iner\u021bie (coastdown) este simplu de executat, dar r\u0103spl\u0103te\u0219te o preg\u0103tire atent\u0103. Deoarece evenimentul se produce o singur\u0103 dat\u0103 \u0219i nu poate fi \u00eentrerupt, fiecare canal trebuie configurat \u0219i armat \u00eenainte de \u00eentreruperea aliment\u0103rii.<\/p>\n<h3>Preg\u0103tire<\/h3>\n<ul>\n<li><strong>Senzori:<\/strong> install <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/accelerometer\/\">accelerometre<\/a> la toate loca\u021biile lag\u0103relor; la ma\u0219inile cu lag\u0103re cu pelicul\u0103 de fluid, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/proximity-probe\/\">sonde de proximitate<\/a> \u00eentr-o pereche X-Y sunt ad\u0103uga\u021bi pentru a capta direct mi\u0219carea arborelui.<\/li>\n<li><strong>Referin\u021b\u0103 de vitez\u0103:<\/strong> connect a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/tachometer\/\">tahometru<\/a> pentru tura\u021bie \u0219i, \u00een mod esen\u021bial, pentru referin\u021ba de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase\/\">faz\u0103<\/a> care permite urm\u0103rirea amplitudinii \u0219i a fazei \u00een raport cu tura\u021bia (rpm).<\/li>\n<li><strong>Acquisition:<\/strong> configura\u021bi sistemul pentru \u00eenregistrare continu\u0103, la o frecven\u021b\u0103 de e\u0219antionare adecvat\u0103 celei mai \u00eenalte frecven\u021be de interes.<\/li>\n<li><strong>Triggering:<\/strong> stabili\u021bi condi\u021biile de declan\u0219are \u2014 domeniul de tura\u021bii \u0219i durata care urmeaz\u0103 s\u0103 fie captate.<\/li>\n<\/ul>\n<h3>Execu\u0163ie<\/h3>\n<ol>\n<li><strong>Stabilise:<\/strong> men\u021bine\u021bi echipamentul la o tura\u021bie de func\u021bionare constant\u0103.<\/li>\n<li><strong>Ini\u021bia\u021bi \u00eenregistrarea:<\/strong> porni\u021bi achizi\u021bia de date \u00eenainte ca orice altceva s\u0103 se modifice.<\/li>\n<li><strong>Deconecta\u021bi alimentarea:<\/strong> opri\u021bi alimentarea motorului, \u00eentrerupe\u021bi combustibilul turbinei sau elimina\u021bi \u00een alt mod cuplul de antrenare.<\/li>\n<li><strong>Monitoriza\u021bi:<\/strong> urm\u0103ri\u021bi evolu\u021bia vibra\u021biilor pe m\u0103sur\u0103 ce ma\u0219ina \u00eencetine\u0219te.<\/li>\n<li><strong>\u00cenregistrare complet\u0103:<\/strong> continua\u021bi captarea p\u00e2n\u0103 la oprirea complet\u0103 sau p\u00e2n\u0103 la tura\u021bia minim\u0103 de interes.<\/li>\n<li><strong>Save data:<\/strong> arhiva\u021bi setul complet de date al opririi prin iner\u021bie pentru analiz\u0103 \u0219i compara\u021bii viitoare.<\/li>\n<\/ol>\n<h3>Durata<\/h3>\n<p>Durata unei opriri prin iner\u021bie depinde de iner\u021bia rotorului \u0219i de frecarea \u0219i rezisten\u021ba aerodinamic\u0103 ce \u00eel fr\u00e2neaz\u0103. Motoarele mici se pot opri \u00een 30\u201360 de secunde, \u00een timp ce turbinele mari pot avea nevoie de 10\u201330 de minute pentru a se opri complet. O oprire prin iner\u021bie mai lung\u0103 ofer\u0103 \u00een general date mai bune: rotorul r\u0103m\u00e2ne mai mult timp la fiecare tura\u021bie, gener\u00e2nd mai multe puncte de m\u0103surare \u0219i o rezolu\u021bie mai fin\u0103 prin rezonan\u021bele care conteaz\u0103 cel mai mult.<\/p>\n<h2>2. Analizarea datelor<\/h2>\n<p>Aceea\u0219i \u00eenregistrare poate fi prelucrat\u0103 \u00een mai multe moduri complementare, fiecare eviden\u021biind un alt aspect al comportamentului ma\u0219inii.<\/p>\n<h3>Generarea diagramelor Bode<\/h3>\n<ul>\n<li>Extrage\u021bi amplitudinea vibra\u021biei sincrone (1\u00d7) la fiecare tura\u021bie folosind un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/tracking-filter\/\">filtru de urm\u0103rire<\/a>.<\/li>\n<li>Extrage\u021bi corespunz\u0103torul <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase-angle\/\">unghi de faz\u0103<\/a> at each speed.<\/li>\n<li>Reprezenta\u021bi grafic at\u00e2t amplitudinea, c\u00e2t \u0219i faza \u00een func\u021bie de tura\u021bie.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/critical-speed\/\">Viteze critice<\/a> se manifest\u0103 prin v\u00e2rfuri de amplitudine \u00eenso\u021bite de o tranzi\u021bie de faz\u0103 caracteristic\u0103 \u2014 ideal apropiat\u0103 de 180\u00b0 prin rezonan\u021b\u0103.<\/li>\n<\/ul>\n<h3>Diagram\u0103 cascad\u0103<\/h3>\n<ul>\n<li>Compute an <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fft\/\">FFT<\/a> la intervale regulate de vitez\u0103.<\/li>\n<li>Suprapune\u021bi spectrele pentru a construi un tablou tridimensional <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/waterfall-plot\/\">afi\u0219aj \u00een cascad\u0103 (waterfall)<\/a>.<\/li>\n<li>Componentele sincrone cu tura\u021bia (1\u00d7, 2\u00d7 \u0219i ordine superioare <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">armonice<\/a>) urm\u0103resc \u00een diagonal\u0103 pe m\u0103sur\u0103 ce viteza scade.<\/li>\n<li>Componentele cu frecven\u021b\u0103 fix\u0103 \u2014 frecven\u021bele naturale ale structurii \u2014 apar ca creste verticale care nu se deplaseaz\u0103 odat\u0103 cu tura\u021bia.<\/li>\n<li>Tura\u021biile critice sunt vizibile acolo unde o ordine sincron\u0103 intersecteaz\u0103 una dintre acele creste cu frecven\u021b\u0103 fix\u0103.<\/li>\n<\/ul>\n<h3>Analiza orbitei<\/h3>\n<ul>\n<li>Cu sonde de proximitate X-Y instalate, arborele <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/orbit\/\">orbit\u0103<\/a> poate fi reconstituit la orice tura\u021bie.<\/li>\n<li>Orbita \u00ee\u0219i schimb\u0103 forma pe m\u0103sur\u0103 ce rotorul trece printr-o tura\u021bie critic\u0103.<\/li>\n<li>At\u00e2t direc\u021bia de precesie, c\u00e2t \u0219i evolu\u021bia formei orbitei sunt \u00eenregistrate.<\/li>\n<li>\u00cempreun\u0103, acestea ofer\u0103 o caracterizare avansat\u0103 a comportamentului dinamic al rotorului, pe care amplitudinea scalar\u0103 singur\u0103 nu o poate oferi.<\/li>\n<\/ul>\n<h2>3. Informa\u021bii extrase<\/h2>\n<p>O oprire prin iner\u021bie bine executat\u0103 r\u0103spunde la mai multe \u00eentreb\u0103ri inginere\u0219ti distincte \u00eentr-un singur test.<\/p>\n<h3>Loca\u021bii ale vitezelor critice<\/h3>\n<ul>\n<li>Tura\u021bia exact\u0103, \u00een rpm, la care apare fiecare rezonan\u021b\u0103.<\/li>\n<li>Prima, a doua \u0219i a treia tura\u021bie critic\u0103, dac\u0103 acestea se \u00eencadreaz\u0103 \u00een domeniul de func\u021bionare.<\/li>\n<li>Verificarea valorilor m\u0103surate \u00een raport cu calculele de proiectare ini\u021biale.<\/li>\n<li>O evaluare a marjei de separare dintre tura\u021bia de func\u021bionare \u0219i cea mai apropiat\u0103 tura\u021bie critic\u0103.<\/li>\n<\/ul>\n<h3>Severitatea rezonan\u021bei<\/h3>\n<ul>\n<li>Amplitudinea de v\u00e2rf indic\u0103 factorul de amplificare la <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/resonance\/\">rezonan\u021b\u0103<\/a>.<\/li>\n<li>V\u00e2rfurile \u00eenalte \u2014 de aproximativ 5\u201310\u00d7 nivelul de referin\u021b\u0103 \u2014 indic\u0103 o amortizare redus\u0103.<\/li>\n<li>Un v\u00e2rf ascu\u021bit \u0219i \u00eengust este mai \u00eengrijor\u0103tor dec\u00e2t unul larg \u0219i lin.<\/li>\n<li>Datele arat\u0103 dac\u0103 vibra\u021bia r\u0103m\u00e2ne acceptabil\u0103 \u00een timp ce ma\u0219ina traverseaz\u0103 rezonan\u021ba.<\/li>\n<\/ul>\n<h3>Cuantificarea amortiz\u0103rii<\/h3>\n<ul>\n<li>Amortizarea poate fi calculat\u0103 din ascu\u021bimea v\u00e2rfului (metoda factorului Q).<\/li>\n<li>Aceasta poate fi, de asemenea, dedus\u0103 din rata de descre\u0219tere \u00een domeniul timpului.<\/li>\n<li>Pentru ma\u0219inile industriale tipice, raportul de amortizare se \u00eencadreaz\u0103 \u00een intervalul 0,01\u20130,10.<\/li>\n<li>O amortizare mai redus\u0103 \u00eenseamn\u0103 \u00eentotdeauna v\u00e2rfuri de rezonan\u021b\u0103 mai mari, astfel \u00eenc\u00e2t aceast\u0103 valoare determin\u0103 \u00een mod direct c\u00e2t de mult\u0103 vibra\u021bie produce o tura\u021bie critic\u0103.<\/li>\n<\/ul>\n<h2>4. Aplica\u021bii<\/h2>\n<h3>Punerea \u00een func\u021biune a echipamentelor noi<\/h3>\n<ul>\n<li>Validarea la prima pornire a unei ma\u0219ini nou instalate.<\/li>\n<li>Confirmarea faptului c\u0103 tura\u021biile critice m\u0103surate corespund valorilor prezise, de regul\u0103 \u00een limita a \u00b110\u201315%.<\/li>\n<li>Verificarea marjelor de separare adecvate.<\/li>\n<li>Stabilirea unei <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/baseline\/\">linie de baz\u0103<\/a> pentru compara\u021bii viitoare.<\/li>\n<li>\u00cendeplinirea cerin\u021bei de testare la recep\u021bie a contractului sau a standardului.<\/li>\n<\/ul>\n<h3>Depanarea vibra\u021biilor ridicate<\/h3>\n<ul>\n<li>Determinarea faptului dac\u0103 ma\u0219ina func\u021bioneaz\u0103 prea aproape de o tura\u021bie critic\u0103.<\/li>\n<li>Identificarea unor rezonan\u021be necunoscute anterior \u00een structur\u0103 sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor-bearing-system\/\">sistem rotor-rulment<\/a>.<\/li>\n<li>Evaluarea efectului unor modific\u0103ri precum schimbarea rulmen\u021bilor sau ad\u0103ugarea de mas\u0103.<\/li>\n<li>Compararea opririlor prin iner\u021bie \u00eenainte \u0219i dup\u0103 pentru a confirma reu\u0219ita unei repara\u021bii.<\/li>\n<\/ul>\n<h3>Evaluare periodic\u0103 a st\u0103rii de s\u0103n\u0103tate<\/h3>\n<ul>\n<li>O coastdown anual\u0103 efectuat\u0103 \u00een timpul unei opriri planificate.<\/li>\n<li>Compararea cu valoarea de referin\u021b\u0103 de la punerea \u00een func\u021biune, ca parte a unei <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/condition-monitoring\/\">monitorizarea st\u0103rii<\/a> program.<\/li>\n<li>Detectarea deplas\u0103rilor tura\u021biei critice, care semnaleaz\u0103 modific\u0103ri mecanice precum <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/looseness\/\">joc axial<\/a> sau o modificare a rigidit\u0103\u021bii reazemelor.<\/li>\n<li>Urm\u0103rirea degrad\u0103rii amortiz\u0103rii pe durata de via\u021b\u0103 a ma\u0219inii.<\/li>\n<\/ul>\n<h2>5. Unde se \u00eencadreaz\u0103 Balanset-1A \u0219i de ce opririle prin iner\u021bie sunt mai bune dec\u00e2t pornirile<\/h2>\n<p>Pe teren, o oprire prin iner\u021bie nu necesit\u0103 nimic mai exotic dec\u00e2t accelerometre, o referin\u021b\u0103 de faz\u0103 \u0219i un analizor capabil s\u0103 urm\u0103reasc\u0103 amplitudinea \u0219i faza \u00een raport cu sc\u0103derea tura\u021biei. Un instrument portabil cu dou\u0103 canale, precum <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> capteaz\u0103 amplitudinea \u0219i faza sincrone pe tot parcursul opririi \u0219i construie\u0219te direct diagramele Bode \u0219i spectrale, astfel \u00eenc\u00e2t un inginer poate confirma pe teren tura\u021biile critice ale unei ma\u0219ini \u0219i marjele de separare \u2014 iar, atunci c\u00e2nd diagnosticul este <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> mai degrab\u0103 dec\u00e2t rezonan\u021b\u0103, trece\u021bi direct la <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrarea-campului\/\">echilibrarea la fa\u021ba locului<\/a> cu acela\u0219i kit.<\/p>\n<p>Testarea prin oprire prin iner\u021bie este adesea preferat\u0103 \u00een locul unei porniri sub putere din trei motive:<\/p>\n<ul>\n<li><strong>Decelerare f\u0103r\u0103 putere:<\/strong> ma\u0219ina se opre\u0219te \u00een mod natural prin frecare \u0219i rezisten\u021ba aerului, f\u0103r\u0103 complica\u021biile sistemului de control, ceea ce face execu\u021bia mai simpl\u0103.<\/li>\n<li><strong>Varia\u021bii mai lente ale vitezei:<\/strong> rotorul petrece mai mult timp la fiecare tura\u021bie, oferind o rezolu\u021bie mai bun\u0103 a datelor, mai multe puncte prin fiecare tura\u021bie critic\u0103 \u0219i o m\u0103surare \u00eembun\u0103t\u0103\u021bit\u0103 a amortiz\u0103rii.<\/li>\n<li><strong>Testare \u00een condi\u021bii la cald:<\/strong> echipamentul se afl\u0103 la temperatura de func\u021bionare, cu lag\u0103rele la jocurile lor reale de func\u021bionare, astfel \u00eenc\u00e2t dinamica m\u0103surat\u0103 reprezint\u0103 ma\u0219ina a\u0219a cum func\u021bioneaz\u0103 ea efectiv \u2014 nu o aproximare la rece.<\/li>\n<\/ul>\n<h2>6. Considera\u021bii practice<\/h2>\n<h3>Siguran\u0163\u0103<\/h3>\n<ul>\n<li>Monitoriza\u021bi continuu vibra\u021biile \u00een timpul opririi prin iner\u021bie.<\/li>\n<li>Dac\u0103 acestea devin excesive, decide\u021bi \u00een mod deliberat \u00eentre o oprire de urgen\u021b\u0103 \u0219i traversarea rezonan\u021bei.<\/li>\n<li>Men\u021bine\u021bi personalul la distan\u021b\u0103 de echipament pe tot parcursul procesului.<\/li>\n<li>Confirma\u021bi c\u0103 toate <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/machinery-protection\/\">protec\u021bia utilajelor<\/a> \u0219i c\u0103 sistemele de siguran\u021b\u0103 sunt func\u021bionale \u00eenainte de a \u00eencepe.<\/li>\n<\/ul>\n<h3>Calitatea datelor<\/h3>\n<ul>\n<li>Asigura\u021bi o decelerare stabil\u0103 \u0219i lin\u0103, nu una eratic\u0103.<\/li>\n<li>Utiliza\u021bi o frecven\u021b\u0103 de e\u0219antionare adecvat\u0103 pentru cele mai \u00eenalte frecven\u021be de interes, pentru a evita <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/aliasing\/\">aliasare<\/a>.<\/li>\n<li>Men\u021bine\u021bi un semnal bun al tahometrului pe tot parcursul \u2014 o \u00eentrerupere corupe urm\u0103rirea fazei.<\/li>\n<li>Colecta\u021bi suficiente medii la fiecare vitez\u0103.<\/li>\n<\/ul>\n<h3>Repetabilitate<\/h3>\n<ul>\n<li>Efectua\u021bi mai multe opriri prin iner\u021bie pentru a verifica rezultatul.<\/li>\n<li>Compara\u021bi-le pentru consisten\u021b\u0103.<\/li>\n<li>O varia\u021bie semnificativ\u0103 de la o rulare la alta indic\u0103 mai degrab\u0103 condi\u021bii \u00een schimbare sau o problem\u0103 de m\u0103surare dec\u00e2t o deplasare real\u0103 a ma\u0219inii.<\/li>\n<\/ul>\n<p>Analiza la oprire prin iner\u021bie (coastdown) este un diagnostic fundamental de dinamica rotorilor, care ofer\u0103 o imagine cuprinz\u0103toare a comportamentului dinamic al unei ma\u0219ini pornind de la o singur\u0103 decelerare natural\u0103. Diagramele Bode \u0219i diagramele tip cascad\u0103 (waterfall) rezultate localizeaz\u0103 tura\u021biile critice, cuantific\u0103 amortizarea \u0219i permit unui inginer s\u0103 compare ma\u0219ina cu predic\u021biile de proiectare sau cu valorile de referin\u021b\u0103 istorice \u2014 exact din acest motiv testarea la oprire prin iner\u021bie este esen\u021bial\u0103 pentru validarea la punerea \u00een func\u021biune, pentru evaluarea periodic\u0103 a st\u0103rii \u0219i pentru depanarea rezonan\u021belor \u00een echipamentele rotative.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/\">\u2190 \u00cenapoi la indexul principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Afla\u021bi despre analiza decelera\u021biei \u00een rulare liber\u0103, m\u0103surarea vibra\u021biilor \u00een timpul deceler\u0103rii naturale pentru a identifica vitezele critice, a evalua amortizarea \u0219i a caracteriza comportamentul dinamic al rotorului.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-78","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/78","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/78\/revisions"}],"predecessor-version":[{"id":101328,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/78\/revisions\/101328"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=78"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=78"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=78"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}