{"id":89,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/cracked-rotor\/"},"modified":"2026-05-23T22:47:44","modified_gmt":"2026-05-23T22:47:44","slug":"cracked-rotor","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/cracked-rotor\/","title":{"rendered":"Ce este un rotor fisurat? Detectare \u0219i r\u0103spuns"},"content":{"rendered":"<h1>\u00cen\u021belegerea rotoarelor fisurate<\/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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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>A <strong>rotor fisurat<\/strong> este un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor\/\">rotor<\/a> sau un arbore rotativ care a dezvoltat o fisur\u0103 de oboseal\u0103 \u2014 o fisur\u0103 care se propag\u0103 prin material sub ac\u021biunea solicit\u0103rilor ciclice. Este, \u00een esen\u021b\u0103, acela\u0219i defect ca \u0219i o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/shaft-crack\/\">fisur\u0103 a axului<\/a>, \u00eens\u0103 termenul se refer\u0103 la ansamblul complet al rotorului, nu doar la elementul de baz\u0103 al arborelui. Rotorii fisura\u021bi se num\u0103r\u0103 printre cele mai periculoase defec\u021biuni ale utilajelor, deoarece o fisur\u0103 se poate transforma dintr-o mic\u0103 imperfec\u021biune nedetectabil\u0103 \u00eentr-o fractur\u0103 catastrofal\u0103 \u00een doar c\u00e2teva zile sau s\u0103pt\u0103m\u00e2ni, odat\u0103 ce a ajuns \u00een stadiul \u00een care <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> monitorizarea poate detecta acest lucru. Semn\u0103tura caracteristic\u0103 este o <strong>2\u00d7 (a doua armonic\u0103)<\/strong> component\u0103 care cre\u0219te odat\u0103 cu propagarea fisurii, generat\u0103 de varia\u021bia de dou\u0103 ori pe rota\u021bie a rigidit\u0103\u021bii arborelui pe m\u0103sur\u0103 ce fisura se deschide \u0219i se \u00eenchide \u00een timpul rota\u021biei.<\/p>\n<h2>1. Defini\u021bia \u0219i motivul pentru care fisurile sunt at\u00e2t de periculoase<\/h2>\n<p>O fisur\u0103 de oboseal\u0103 \u00eentr-un arbore rotativ se comport\u0103 cu totul altfel dec\u00e2t o defect\u0103 static\u0103. Fiecare rota\u021bie supune sec\u021biunea fisurat\u0103 unui ciclu complet de \u00eencordare-compresie prin \u00eencovoiere, astfel \u00eenc\u00e2t rotorul acumuleaz\u0103 deterior\u0103ri \u00een acela\u0219i ritm \u00een care acumuleaz\u0103 rota\u021bii \u2014 mii de cicluri de solicitare pe minut. Partea periculoas\u0103 este intervalul de timp: fisura poate r\u0103m\u00e2ne inofensiv\u0103 \u0219i invizibil\u0103 timp de ani de zile, apoi poate intra \u00eentr-o faz\u0103 de accelerare rapid\u0103 \u00een care marja dintre \u201eprima detectare fiabil\u0103\u201d \u0219i \u201efractur\u0103\u201d se m\u0103soar\u0103 \u00een zile. Aceast\u0103 fereastr\u0103 de avertizare comprimat\u0103 este tocmai motivul pentru care o fisur\u0103 confirmat\u0103 este tratat\u0103 \u00een mod normal ca un motiv pentru <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/shutdown\/\">\u00eenchidere<\/a>\u0219i de ce continuu <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/condition-monitoring\/\">monitorizarea st\u0103rii<\/a> este justificat\u0103 \u00een cazul echipamentelor critice.<\/p>\n<h2>2. Cum apar fisurile \u00een rotoare<\/h2>\n<h3>Locuri de ini\u021biere a fisurilor<\/h3>\n<p>Fisurile se formeaz\u0103 aproape \u00eentotdeauna la un punct de concentrare a tensiunilor \u2014 o caracteristic\u0103 geometric\u0103 sau metalurgic\u0103 \u00een care tensiunea local\u0103 este amplificat\u0103 cu mult peste nivelul nominal:<\/p>\n<ul>\n<li><strong>Canale de pan\u0103:<\/strong> col\u021burile ascu\u021bite de la capetele canelurilor \u2014 locul cel mai frecvent de ini\u021biere a fisurilor.<\/li>\n<li><strong>Modific\u0103ri ale diametrului:<\/strong> umeri, pa\u0219i \u0219i tranzi\u021bii.<\/li>\n<li><strong>Sec\u021biuni cu filet:<\/strong> baza filetului, care concentreaz\u0103 tensiunea.<\/li>\n<li><strong>G\u0103uri \u0219i g\u0103uri transversale:<\/strong> canale de ulei sau orificii de fixare.<\/li>\n<li><strong>Margini cu fixare prin presare:<\/strong> ajust\u0103ri cu interferen\u021b\u0103 care genereaz\u0103 tensiuni reziduale \u0219i favorizeaz\u0103 uzura prin frecare.<\/li>\n<li><strong>Suduri:<\/strong> zonele afectate termic \u0219i marginile sudurii.<\/li>\n<li><strong>Fisuri de coroziune:<\/strong> defectele de suprafa\u021b\u0103 cauzate de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/corrosion\/\">coroziune<\/a> care func\u021bioneaz\u0103 ca ini\u021biatori de fisuri gata forma\u021bi.<\/li>\n<li><strong>Urme de prelucrare:<\/strong> urme de scule, \u00een special atunci c\u00e2nd sunt orientate perpendicular pe direc\u021bia tensiunii principale.<\/li>\n<\/ul>\n<h3>Procesul de cre\u0219tere a fisurilor<\/h3>\n<ol>\n<li><strong>Formarea microfisurilor:<\/strong> ini\u021biat\u0103 la un punct de concentrare a tensiunilor, de obicei sub 1 mm.<\/li>\n<li><strong>Propagare lent\u0103:<\/strong> fisura se ad\u00e2nce\u0219te treptat cu fiecare ciclu de solicitare \u2014 aceast\u0103 etap\u0103 poate dura ani de zile.<\/li>\n<li><strong>Accelera\u021bie:<\/strong> Pe m\u0103sur\u0103 ce fisura se extinde, intensitatea tensiunii cre\u0219te, iar viteza de extindere se accelereaz\u0103.<\/li>\n<li><strong>Stadiu detectabil:<\/strong> la aproximativ 10\u201330 % din diametru, vibra\u021bia de 2\u00d7 devine vizibil\u0103.<\/li>\n<li><strong>Critical size:<\/strong> ligamentul r\u0103mas nu mai poate suporta sarcina.<\/li>\n<li><strong>Fractur\u0103 catastrofal\u0103:<\/strong> o defec\u021biune brusc\u0103 \u0219i total\u0103 a arborelui.<\/li>\n<\/ol>\n<p>For\u021ba motrice \u00een fiecare etap\u0103 este ciclic\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fatigue\/\">oboseal\u0103<\/a>, astfel \u00eenc\u00e2t orice factor care reduce tensiunea de \u00eencovoiere ciclic\u0103 \u2014 un echilibru bun, o aliniere precis\u0103 \u2014 \u00eencetine\u0219te \u00een mod direct propagarea fisurii.<\/p>\n<h2>3. Semn\u0103tura caracteristic\u0103 a vibra\u021biei 2X<\/h2>\n<h3>De ce fisurile produc vibra\u021bii 2X<\/h3>\n<p>Mecanismul este a\u0219a-numitul <em>fisur\u0103 respiratoare<\/em>:<\/p>\n<ul>\n<li><strong>Fisur\u0103 \u00eenchis\u0103 (compresie):<\/strong> atunci c\u00e2nd zona fisurat\u0103 se rote\u0219te \u00eentr-o pozi\u021bie de compresiune (punctul inferior al rota\u021biei pentru un arbore orizontal), fe\u021bele fisurii se apropie una de alta, iar rigiditatea arborelui cre\u0219te.<\/li>\n<li><strong>Fisur\u0103 deschis\u0103 (\u00eentindere):<\/strong> c\u00e2nd fisura se rote\u0219te \u00een direc\u021bia de \u00eentindere (punctul maxim al rota\u021biei), aceasta se deschide, iar rigiditatea arborelui scade.<\/li>\n<li><strong>De dou\u0103 ori pe rota\u021bie:<\/strong> Prin urmare, rigiditatea se modific\u0103 de dou\u0103 ori pe rota\u021bie \u2014 o dat\u0103 c\u00e2nd fisura trece prin pozi\u021bia orientat\u0103 \u00een sus \u0219i o dat\u0103 c\u00e2nd trece prin cea orientat\u0103 \u00een jos.<\/li>\n<li><strong>2\u00d7 forcing:<\/strong> Aceast\u0103 varia\u021bie a rigidit\u0103\u021bii la dublul tura\u021biei de func\u021bionare genereaz\u0103 un r\u0103spuns de vibra\u021bie de tip 2\u00d7.<\/li>\n<li><strong>Cre\u0219terea amplitudinii:<\/strong> Pe m\u0103sur\u0103 ce fisura se ad\u00e2nce\u0219te, asimetria rigidit\u0103\u021bii cre\u0219te, iar amplitudinea de 2\u00d7 cre\u0219te odat\u0103 cu aceasta.<\/li>\n<\/ul>\n<h3>Caracteristicile vibra\u021biilor<\/h3>\n<ul>\n<li><strong>Indicator principal:<\/strong> o component\u0103 de tip 2\u00d7 care apare \u0219i cre\u0219te constant \u00een timp.<\/li>\n<li><strong>1\u00d7 changes:<\/strong> 1\u00d7 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/running-speed\/\">viteza de func\u021bionare<\/a> Vibra\u021biile pot cre\u0219te, de asemenea, deoarece fisura provoac\u0103 o deformare rezidual\u0103 a rotorului.<\/li>\n<li><strong>Armonici superioare:<\/strong> 3\u00d7 and 4\u00d7 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">armonice<\/a> pot ap\u0103rea pe m\u0103sur\u0103 ce fisura se agraveaz\u0103.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase\/\">Faza<\/a> behaviour:<\/strong> unghiurile de faz\u0103 se modific\u0103 \u00een timpul pornirii \u0219i al deceler\u0103rii \u00een mod diferit fa\u021b\u0103 de un sistem pur <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> r\u0103spunsul \u2014 un factor cheie de diferen\u021biere.<\/li>\n<li><strong>Sensibilitate la temperatur\u0103:<\/strong> Amplitudinea de 2\u00d7 poate varia \u00een func\u021bie de temperatura arborelui, ceea ce influen\u021beaz\u0103 viteza cu care se deschide fisura.<\/li>\n<\/ul>\n<p>Merit\u0103 subliniat faptul c\u0103 o valoare ridicat\u0103 a parametrului 2\u00d7 nu dovede\u0219te \u00een sine existen\u021ba unei fisuri \u2014 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/misalignment\/\">nealiniere<\/a> \u0219i unele forme de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/looseness\/\">joc axial<\/a> de asemenea, m\u0103resc amplitudinea 2\u00d7. Caracteristicile distinctive sunt tendin\u021ba constant\u0103 <em>growth<\/em> \u00een timp \u0219i comportamentul neobi\u0219nuit al fazelor datorat rezonan\u021bei, motiv pentru care se utilizeaz\u0103 at\u00e2t monitorizarea tendin\u021belor, c\u00e2t \u0219i testarea \u00een regim tranzitoriu.<\/p>\n<h2>4. Depistare \u0219i diagnosticare<\/h2>\n<h3>Monitorizarea vibra\u021biilor<\/h3>\n<h4>Tendin\u021ba raportului 2X\/1X<\/h4>\n<p>Cel mai practic indicator de c\u00e2mp este raportul dintre amplitudinea de 2\u00d7 \u0219i amplitudinea de 1\u00d7, monitorizat \u00een timp prin <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/trending\/\">tendin\u021be<\/a>:<\/p>\n<ul>\n<li>\u00cen condi\u021bii normale de func\u021bionare: 2\u00d7\/1\u00d7 sub aproximativ 0,2\u20130,3.<\/li>\n<li>Fisur\u0103 suspect\u0103: 2\u00d7\/1\u00d7 peste 0,5 \u0219i \u00een cre\u0219tere.<\/li>\n<li>Fisur\u0103 confirmat\u0103: 2\u00d7\/1\u00d7 se apropie de sau dep\u0103\u0219e\u0219te 1,0<\/li>\n<li>Situa\u021bie de urgen\u021b\u0103: 2\u00d7\/1\u00d7 peste 2,0 \u2014 se recomand\u0103 oprirea imediat\u0103.<\/li>\n<\/ul>\n<h4>Testarea tranzitorie<\/h4>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bode-plot\/\">Diagrame Bode<\/a> \u00eenregistrate \u00een timpul pornirii \u0219i al deceler\u0103rii.<\/li>\n<li>Un rotor fisurat prezint\u0103 un comportament anormal de tip 2\u00d7 atunci c\u00e2nd trece prin rezonan\u021b\u0103.<\/li>\n<li>La jum\u0103tatea fiec\u0103ruia pot ap\u0103rea dou\u0103 v\u00e2rfuri <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/critical-speed\/\">vitez\u0103 critic\u0103<\/a>, deoarece for\u021barea de 2\u00d7 provoac\u0103 rezonan\u021ba la jum\u0103tate din viteza obi\u0219nuit\u0103.<\/li>\n<li>Schimb\u0103rile de faz\u0103 difer\u0103 de r\u0103spunsul normal la dezechilibru<\/li>\n<\/ul>\n<h3>Examinare nedistructiv\u0103<\/h3>\n<p>Vibra\u021bia \u00ee\u021bi spune s\u0103 cau\u021bi; <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/non-destructive-testing\/\">teste nedistructive<\/a> confirm\u0103 \u0219i evalueaz\u0103 dimensiunea fisurii:<\/p>\n<ul>\n<li><strong>Controlul cu particule magnetice (MPI):<\/strong> detecteaz\u0103 fisurile de la suprafa\u021b\u0103 \u0219i cele situate aproape de suprafa\u021b\u0103.<\/li>\n<li><strong>Lichid penetrant:<\/strong> detectarea vizual\u0103 a fisurilor care str\u0103pung suprafa\u021ba.<\/li>\n<li><strong>Testarea cu ultrasunete (UT):<\/strong> detecteaz\u0103 fisurile interne \u0219i m\u0103soar\u0103 ad\u00e2ncimea acestora.<\/li>\n<li><strong>Curentul Foucault:<\/strong> detectarea f\u0103r\u0103 contact a fisurilor de suprafa\u021b\u0103.<\/li>\n<li><strong>Radiografie:<\/strong> detectarea fisurilor interne \u00een componentele critice.<\/li>\n<\/ul>\n<h2>5. Interven\u021bia \u00een situa\u021bii de urgen\u021b\u0103<\/h2>\n<h3>\u00cen cazul depist\u0103rii unei fisuri suspectate<\/h3>\n<ol>\n<li><strong>Cre\u0219terea monitoriz\u0103rii:<\/strong> de la lunar la zilnic sau la continuu.<\/li>\n<li><strong>Reduce\u021bi severitatea regimului de func\u021bionare:<\/strong> s\u0103 reduce\u021bi viteza sau sarcina, acolo unde este posibil.<\/li>\n<li><strong>Planifica\u021bi o inspec\u021bie imediat\u0103:<\/strong> programa\u021bi o inspec\u021bie NDT c\u00e2t mai cur\u00e2nd posibil.<\/li>\n<li><strong>Preg\u0103ti\u021bi-v\u0103 pentru oprire:<\/strong> comanda\u021bi un arbore de schimb \u0219i planifica\u021bi procedura de repara\u021bie.<\/li>\n<li><strong>Evaluarea riscurilor:<\/strong> s\u0103 estimeze timpul p\u00e2n\u0103 la o eventual\u0103 defec\u021biune pe baza ratei de cre\u0219tere observate.<\/li>\n<\/ol>\n<h3>Dac\u0103 fisura este confirmat\u0103<\/h3>\n<ul>\n<li><strong>Oprire imediat\u0103<\/strong> \u2014 cu excep\u021bia cazului \u00een care o evaluare formal\u0103 a riscurilor demonstreaz\u0103 c\u0103 exploatarea poate continua \u00een condi\u021bii de siguran\u021b\u0103 pe o perioad\u0103 determinat\u0103 \u0219i limitat\u0103.<\/li>\n<li><strong>No restart<\/strong> p\u00e2n\u0103 c\u00e2nd arborele este \u00eenlocuit sau reparat.<\/li>\n<li><strong>\u00cenlocuirea arborelui<\/strong> este cea mai fiabil\u0103 solu\u021bie.<\/li>\n<li><strong>Analiza cauzelor fundamentale<\/strong> pentru a stabili cauza apari\u021biei fisurii \u0219i pentru a preveni reapari\u021bia acesteia.<\/li>\n<\/ul>\n<h2>6. Strategii de prevenire<\/h2>\n<h3>Proiectare<\/h3>\n<ul>\n<li>Elimina\u021bi sau reduce\u021bi la minimum concentr\u0103rile de tensiune.<\/li>\n<li>Folosi\u021bi raze generoase pentru rotunjiri (o regul\u0103 general\u0103 util\u0103 este ca R s\u0103 fie mai mare dec\u00e2t 0,1 \u00d7 diametru).<\/li>\n<li>Evita\u021bi, pe c\u00e2t posibil, canelurile pentru chei; opta\u021bi pentru asambl\u0103ri cu interferen\u021b\u0103.<\/li>\n<li>Preciza\u021bi materialul adecvat \u0219i tratamentul termic.<\/li>\n<li>Aplica\u021bi tratamente de suprafa\u021b\u0103, cum ar fi sablarea cu alice metalice sau nitrurarea, pentru a \u00eembun\u0103t\u0103\u021bi rezisten\u021ba la oboseal\u0103.<\/li>\n<\/ul>\n<h3>Opera\u021biune<\/h3>\n<ul>\n<li>Men\u021bine\u021bi o bun\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrare\/\">calitatea echilibrului<\/a> pentru a reduce la minimum solicitarea de \u00eencovoiere ciclic\u0103.<\/li>\n<li>Hold precision <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/laser-shaft-alignment\/\">alinierea arborilor<\/a> pentru a reduce momentele de \u00eencovoiere.<\/li>\n<li>Evita\u021bi func\u021bionarea prelungit\u0103 la viteze critice.<\/li>\n<li>Preveni\u021bi dep\u0103\u0219irea vitezei.<\/li>\n<li>Controla\u021bi tensiunile termice prin \u00eenc\u0103lzire \u0219i r\u0103cire adecvate.<\/li>\n<\/ul>\n<h3>\u00centre\u0163inere<\/h3>\n<ul>\n<li>Monitorizarea periodic\u0103 a vibra\u021biilor cu urm\u0103rirea explicit\u0103 a tendin\u021belor amplitudinii 2\u00d7.<\/li>\n<li>Inspec\u021bie periodic\u0103 prin metode nedistructive \u2014 anual sau \u00een func\u021bie de rezultatele evalu\u0103rii riscurilor.<\/li>\n<li>Preveni\u021bi coroziunea, ceea ce asigur\u0103 protec\u021bie \u00eempotriva fisur\u0103rii cauzate de coroziunea punctiform\u0103.<\/li>\n<li>Men\u021bine\u021bi vibra\u021biile la un nivel redus pentru a reduce solicitarea ciclic\u0103.<\/li>\n<\/ul>\n<p>Echilibrarea corect\u0103 merit\u0103 o men\u021biune special\u0103 aici, deoarece este singura m\u0103sur\u0103 de prevenire pe care o echip\u0103 de \u00eentre\u021binere o poate aplica pe teren. Un analizor portabil cu dou\u0103 canale, precum <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> m\u0103soar\u0103 amplitudinea \u0219i faza 1\u00d7 \u00een lag\u0103rele proprii ale ma\u0219inii \u0219i ghideaz\u0103 corec\u021bia pe un singur plan sau pe dou\u0103 planuri cu o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/trial-weight\/\">greutate de prob\u0103<\/a>, determin\u00e2nd <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/residual-unbalance\/\">dezechilibru rezidual<\/a> p\u00e2n\u0103 la valoarea \u021bint\u0103 prev\u0103zut\u0103 de standardul ISO 21940-11. For\u021bele 1\u00d7 mai mici \u00eenseamn\u0103 o solicitare ciclic\u0103 de \u00eencovoiere mai redus\u0103 asupra fiec\u0103rei caneluri \u0219i a fiec\u0103rui um\u0103r \u2014 prelungind astfel \u00een mod direct durata de via\u021b\u0103 la oboseal\u0103, care altfel ar fi redus\u0103 de apari\u021bia unei fisuri. Acela\u0219i instrument este extrem de util pentru \u00eenregistrarea datelor privind amplitudinea \u0219i faza \u00een timpul pornirii \u0219i al deceler\u0103rii, date care permit diferen\u021bierea unei fisuri \u201erespiratoare\u201d de un dezechilibru obi\u0219nuit.<\/p>\n<p>Fisurarea rotorilor reprezint\u0103 una dintre cele mai grave forme de defectare la utilajele rotative. Combina\u021bia dintre monitorizarea vibra\u021biilor \u2014 care detecteaz\u0103 cre\u0219terea caracteristic\u0103 a semn\u0103turii 2\u00d7 \u2014 \u0219i examinarea periodic\u0103 nedistructiv\u0103 ofer\u0103 o protec\u021bie esen\u021bial\u0103, permi\u021b\u00e2nd detectarea defectelor \u00eenainte de producerea unei avarii catastrofale \u0219i facilit\u00e2nd \u00eenlocuirea planificat\u0103 a arborelui, ceea ce evit\u0103 pagubele secundare extinse \u0219i riscurile grave pentru siguran\u021b\u0103.<\/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 rotoarele fisurate, fracturile de oboseal\u0103 din arborii rotativi care produc semn\u0103turi vibra\u021bionale caracteristice 2X, necesit\u00e2nd detectare \u0219i oprire imediat\u0103 pentru a preveni defec\u021biunile catastrofale.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-89","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/89","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\/89\/revisions"}],"predecessor-version":[{"id":101379,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/89\/revisions\/101379"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=89"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=89"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=89"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}