{"id":215,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rotor-bar-defects\/"},"modified":"2026-07-03T09:57:24","modified_gmt":"2026-07-03T09:57:24","slug":"rotor-bar-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/rotor-bar-defects\/","title":{"rendered":"Ce sunt defectele barei rotorului? Bare rupte \u00een motoare"},"content":{"rendered":"<h1>\u00cen\u021belegerea defectelor barei rotorului<\/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\/215?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"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\/215?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"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\/215?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"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\/215?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"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\/215?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"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\/215?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"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\/215?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"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\/215?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"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, 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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\/215?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" 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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\" 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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\/215?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"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\/215?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"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>Defecte ale barei rotorului<\/strong> \u2014 numite \u0219i bare de rotor rupte sau fisurate \u2014 sunt fracturi, fisuri sau conexiuni cu rezisten\u021b\u0103 ridicat\u0103 \u00een barele conductoare ale unui rotor de induc\u021bie \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/motor-defects\/\">motor<\/a> colivie de veveri\u021b\u0103. Un rotor \u00een colivie de veveri\u021b\u0103 este construit din bare de aluminiu sau cupru \u00eencastrate \u00een crest\u0103turile unui miez de fier laminat, ambele capete ale fiec\u0103rei bare fiind unite printr-o pereche de inele de scurtcircuitare (inele de cap\u0103t). Atunci c\u00e2nd o bar\u0103 se fractureaz\u0103 sau o \u00eembinare a inelului de cap\u0103t se fisureaz\u0103, curentul nu mai poate circula curat prin conductorul deteriorat. Rezultatul este o asimetrie electromagnetic\u0103, un cuplu pulsatoriu \u0219i o semn\u0103tur\u0103 deosebit de recunoscut\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> \u0219i o semn\u0103tur\u0103 de curent marcat\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/sidebands\/\">benzi laterale<\/a> spaced at the <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/pole-pass-frequency\/\">frecven\u021b\u0103 de trecere a polilor<\/a> (num\u0103rul de poli \u00d7 frecven\u021ba de alunecare).<\/p>\n<p>Defec\u021biunile barelor de rotor reprezint\u0103, conform estim\u0103rilor, 10\u201315% din avariile motoarelor de induc\u021bie. Sunt periculoase tocmai pentru c\u0103 au caracter progresiv: o singur\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/broken-rotor-bars\/\">bar\u0103 de rotor rupt\u0103<\/a> \u00ee\u0219i suprasolicit\u0103 vecinele, iar ceea ce \u00eencepe ca un singur conductor fisurat se poate transforma \u00een ruperi multiple, pulsa\u021bii severe ale cuplului \u0219i, \u00een cele din urm\u0103, distrugerea rotorului dac\u0103 nu este depistat din timp.<\/p>\n<h2>1. Tipuri de defecte ale barelor de rotor<\/h2>\n<p>Aceast\u0103 familie de defecte cuprinde mai multe mecanisme distincte, toate perturb\u00e2nd simetria electric\u0103 a rotorului&#8217;\u00een moduri similare:<\/p>\n<ul>\n<li><strong>Bare de rotor rupte:<\/strong> O fractur\u0103 complet\u0103 a unei bare conductoare, situat\u0103 de obicei \u00een apropierea unui inel de cap\u0103t, unde se concentreaz\u0103 tensiunile termice \u0219i mecanice. O rupere \u00eencepe aproape \u00eentotdeauna ca o fisur\u0103 de oboseal\u0103 \u0219i evolueaz\u0103 p\u00e2n\u0103 la o separare complet\u0103.<\/li>\n<li><strong>Inele de cap\u0103t fisurate:<\/strong> Fracturi \u00een inelele de scurtcircuitare care leag\u0103 barele \u00eentre ele, cel mai adesea la jonc\u021biunea bar\u0103-inel. Efectul lor electric este similar cu cel al unei bare rupte. Sunt mai frecvente la ma\u0219inile mari, la motoarele care pornesc des \u0219i la sarcinile cu iner\u021bie ridicat\u0103.<\/li>\n<li><strong>\u00cembin\u0103ri cu rezisten\u021b\u0103 ridicat\u0103:<\/strong> O conexiune electric\u0103 defectuoas\u0103 \u00eentre bar\u0103 \u0219i inelul de cap\u0103t, cauzat\u0103 de defecte de fabrica\u021bie, cicluri termice sau coroziune. Simptomele seam\u0103n\u0103 cu cele ale unei bare rupte, dar sunt adesea intermitente \u0219i produc semn\u0103turi mai subtile dec\u00e2t o ruptur\u0103 net\u0103.<\/li>\n<li><strong>Porozitate a rotorului:<\/strong> Goluri de turnare \u00een rotoarele din aluminiu turnat sub presiune, care reduc sec\u021biunea efectiv\u0103 a conductorului. Porozitatea este un defect de fabrica\u021bie care poate r\u0103m\u00e2ne latent ani de zile \u00eenainte de a evolua \u00een fisuri \u0219i rupturi.<\/li>\n<\/ul>\n<h2>2. De ce se defecteaz\u0103 barele rotorului<\/h2>\n<p>Defectarea barelor este determinat\u0103 de o combina\u021bie de factori termici, mecanici, de fabrica\u021bie \u0219i opera\u021bionali care se poten\u021beaz\u0103 reciproc pe parcursul duratei de via\u021b\u0103 a motorului&#8217;.<\/p>\n<h3>Thermal stress<\/h3>\n<p>Fiecare pornire \u0219i oprire supune rotorul unor cicluri de dilatare \u0219i contractare. Deoarece aluminiul se dilat\u0103 mult mai mult dec\u00e2t miezul de fier \u00eenconjur\u0103tor, aceast\u0103 cre\u0219tere diferen\u021bial\u0103 sl\u0103be\u0219te barele \u0219i obose\u0219te \u00eembin\u0103rile. Pornirile frecvente provoac\u0103 \u0219ocuri termice repetate, iar orice punct local cu rezisten\u021b\u0103 ridicat\u0103 devine un punct fierbinte care accelereaz\u0103 deteriorarea.<\/p>\n<h3>Solicitarea mecanic\u0103<\/h3>\n<p>Barele conductoare suport\u0103, de asemenea, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/centrifugal-force\/\">for\u021b\u0103 centrifug\u0103<\/a> (semnificative la ma\u0219inile de mare vitez\u0103), for\u021bele electromagnetice pulsatorii \u00een timpul func\u021bion\u0103rii normale \u0219i curen\u021bii mari de pornire care impun \u0219oc mecanic. Solicitarea extern\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration-analysis\/\">vibra\u021bii<\/a> transmis\u0103 de la sarcina antrenat\u0103 obose\u0219te \u0219i mai mult barele.<\/p>\n<h3>Defecte de fabrica\u021bie \u0219i condi\u021bii de func\u021bionare<\/h3>\n<p>Porozitatea de turnare, leg\u0103tura slab\u0103 dintre bar\u0103 \u0219i inelul de cap\u0103t, incluziunile de material \u0219i tratamentul termic inadecvat seam\u0103n\u0103 toate semin\u021bele unei defect\u0103ri ulterioare. \u00cen exploatare, cei mai gravi factori sunt pornirile frecvente, sarcinile cu iner\u021bie mare \u0219i timpi lungi de accelerare, evenimentele cu rotor blocat cu curen\u021bii lor extremi \u0219i func\u021bionarea pe o singur\u0103 faz\u0103 \u2014 func\u021bionarea cu o faz\u0103 de alimentare pierdut\u0103, care for\u021beaz\u0103 un model de curent puternic asimetric prin colivie.<\/p>\n<h2>3. Semn\u0103tura vibra\u021biilor \u0219i a curentului<\/h2>\n<p>Marca distinctiv\u0103 de diagnostic a deterior\u0103rii barelor rotorului este o familie de benzi laterale grupate \u00een jurul tura\u021biei de func\u021bionare.<\/p>\n<ul>\n<li><strong>V\u00e2rf central:<\/strong> 1\u00d7 viteza de rota\u021bie (f<sub>r<\/sub>), normalul <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/running-speed\/\">viteza de func\u021bionare<\/a> line.<\/li>\n<li><strong>Benzi laterale:<\/strong> perechi simetrice la f<sub>r<\/sub> \u00b1 F<sub>P<\/sub>, f<sub>r<\/sub> \u00b1 2F<sub>P<\/sub>, f<sub>r<\/sub> \u00b1 3F<sub>P<\/sub>, where F<sub>P<\/sub> este frecven\u021ba de trecere a polilor \u2014 num\u0103rul de poli \u00d7 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/slip-frequency\/\">frecven\u021ba de alunecare<\/a> (de obicei c\u00e2\u021biva hertzi).<\/li>\n<li><strong>Model:<\/strong> benzi laterale simetrice, spa\u021biate uniform, la intervale de trecere a polilor \u2014 destul de diferite de benzile laterale ale <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-fault-frequencies\/\">bearing faults<\/a>, care se situeaz\u0103 \u00een jurul frecven\u021belor de defect.<\/li>\n<\/ul>\n<h3>Calcularea frecven\u021belor de alunecare \u0219i de trecere a polilor<\/h3>\n<p>Frecven\u021ba de alunecare este diferen\u021ba dintre tura\u021bia sincron\u0103 \u0219i cea real\u0103, exprimat\u0103 \u00een her\u021bi: f<sub>s<\/sub> = (N<sub>sincron<\/sub> \u2212 N<sub>real<\/sub>) \/ 60, iar spa\u021bierea benzilor laterale este frecven\u021ba de trecere a polilor F<sub>P<\/sub> = poles \u00d7 f<sub>s<\/sub>. Lua\u021bi \u00een considerare un motor cu 4 poli, 60 Hz, cu o vitez\u0103 sincron\u0103 de 1800 rpm care func\u021bioneaz\u0103 la 1750 rpm sub sarcin\u0103. Atunci f<sub>s<\/sub> = (1800 \u2212 1750) \/ 60 = 0.833 Hz, F<sub>P<\/sub> = 4 \u00d7 0.833 = 3.33 Hz, and the running-speed line sits at 29.17 Hz. Sidebands therefore appear at 29.17 \u00b1 3.33 Hz \u2014 that is, at 25.8 Hz and 32.5 Hz. A <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/harmonic-frequency-calculator\/\">calculator de frecven\u021be armonice<\/a> \u0219i o <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/motor-slip-calculator\/\">calculator de alunecare a motorului<\/a> fac aceast\u0103 conversie facil\u0103 atunci c\u00e2nd configura\u021bi o m\u0103sur\u0103toare \u00een atelier.<\/p>\n<h3>Dependen\u021ba de sarcin\u0103<\/h3>\n<p>Deoarece alunecarea \u2014 \u0219i, prin urmare, curentul care circul\u0103 prin barele rupte \u2014 cre\u0219te odat\u0103 cu sarcina, benzile laterale sunt sensibile la sarcin\u0103. La mers \u00een gol acestea sunt minime; sub sarcin\u0103 redus\u0103 \u00eencep s\u0103 apar\u0103; iar la sarcin\u0103 maxim\u0103 sunt cele mai puternice \u0219i mai u\u0219or de diagnosticat. Regula practic\u0103 este simpl\u0103: testa\u021bi \u00eentotdeauna un motor suspect sub sarcina normal\u0103 de func\u021bionare pentru o sensibilitate optim\u0103.<\/p>\n<h3>Semn\u0103tura de curent (MCSA)<\/h3>\n<p>Analiza semn\u0103turii curentului motorului (MCSA) dezv\u0103luie aceea\u0219i fizic\u0103 \u00een domeniul electric. Aici benzile laterale se grupeaz\u0103 \u00een jurul <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/electrical-frequency\/\">line frequency<\/a> \u00een loc de tura\u021bia de func\u021bionare, \u0219i apar la f<sub>linia<\/sub> \u00b1 2\u00b7s\u00b7f<sub>linia<\/sub>, unde s este alunecarea \u00een unit\u0103\u021bi relative \u2014 aceea\u0219i \u00b1F<sub>P<\/sub> spacing as in vibration, since 2\u00b7s\u00b7f<sub>linia<\/sub> = F<sub>P<\/sub>. Pentru motorul cu 4 poli \u0219i 60 Hz de mai sus (s = 50\/1800 \u2248 2.8%), aceasta plaseaz\u0103 benzile laterale la 56.7 Hz \u0219i 63.3 Hz. Amplitudinea lor cre\u0219te odat\u0103 cu num\u0103rul de bare rupte, iar \u00een unele cazuri MCSA detecteaz\u0103 defectul mai devreme dec\u00e2t vibra\u021biile. Aceea\u0219i fizic\u0103 legat\u0103 de alunecare st\u0103 la baza <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/pole-pass-frequency\/\">frecven\u021b\u0103 de trecere a polilor<\/a> used in <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/electrical-faults\/\">defec\u021biune electric\u0103<\/a> diagnostic.<\/p>\n<h2>4. Detectarea, diagnosticarea \u0219i m\u0103surarea \u00een teren<\/h2>\n<p>Separarea benzilor laterale aflate la doar c\u00e2\u021biva hertzi de un v\u00e2rf dominant al vitezei de rota\u021bie necesit\u0103 o rezolu\u021bie fin\u0103 \u00een frecven\u021b\u0103. O procedur\u0103 riguroas\u0103 este urm\u0103toarea:<\/p>\n<ol>\n<li><strong>Calcula\u021bi modelul a\u0219teptat:<\/strong> determina\u021bi viteza sincron\u0103 din num\u0103rul de poli \u0219i frecven\u021ba re\u021belei, m\u0103sura\u021bi viteza real\u0103 de func\u021bionare \u0219i calcula\u021bi frecven\u021bele de alunecare \u0219i de trecere a polilor.<\/li>\n<li><strong>Achizi\u021biona\u021bi un spectru de \u00eenalt\u0103 rezolu\u021bie:<\/strong> use a fine <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fft\/\">FFT<\/a> rezolu\u021bie (mai bun\u0103 de aproximativ 0,2 Hz) astfel \u00eenc\u00e2t benzile laterale apropiate s\u0103 se separe clar de linia 1\u00d7. O <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/fft-resolution-calculator\/\">Calculator pentru rezolu\u021bia FFT<\/a> v\u0103 ajut\u0103 s\u0103 alege\u021bi domeniul corect \u0219i num\u0103rul de linii.<\/li>\n<li><strong>C\u0103uta\u021bi benzile laterale:<\/strong> look for symmetric peaks at 1\u00d7 \u00b1 pole-pass frequency and its multiples.<\/li>\n<li><strong>Testa\u021bi sub sarcin\u0103:<\/strong> achizi\u021biona\u021bi datele cu motorul sub sarcina sa normal\u0103 de func\u021bionare.<\/li>\n<li><strong>Confirma\u021bi modelul:<\/strong> verifica\u021bi dac\u0103 benzile laterale sunt simetrice \u0219i spa\u021biate corect \u00eenainte de a stabili un diagnostic.<\/li>\n<\/ol>\n<p>Acest tip de captur\u0103 de spectru cu rezolu\u021bie \u00eenalt\u0103 este exact genul de lucru pentru care este conceput un instrument portabil cu dou\u0103 canale precum <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> este conceput pentru asta. Lucr\u00e2nd \u00een rulmen\u021bii proprii ai motorului la viteza de func\u021bionare, \u00eenregistreaz\u0103 direct pe ma\u0219ina \u00een func\u021biune linia vitezei de rota\u021bie \u0219i benzile laterale de trecere a polilor, astfel \u00eenc\u00e2t s\u0103 pute\u021bi confirma la fa\u021ba locului diagnosticul de bar\u0103 rupt\u0103 f\u0103r\u0103 demontare \u0219i apoi s\u0103 urm\u0103ri\u021bi severitatea \u00een timp.<\/p>\n<h3>Evaluarea severit\u0103\u021bii<\/h3>\n<p>O regul\u0103 empiric\u0103 larg utilizat\u0103 clasific\u0103 gravitatea \u00een func\u021bie de \u00een\u0103l\u021bimea benzilor laterale raportat\u0103 la v\u00e2rful de 1\u00d7:<\/p>\n<ul>\n<li><strong>Band\u0103 lateral\u0103 sub 40% din 1\u00d7:<\/strong> posibil o singur\u0103 bar\u0103 fisurat\u0103 sau rupt\u0103 \u2014 continua\u021bi monitorizarea.<\/li>\n<li><strong>40\u201360% din 1\u00d7:<\/strong> o bar\u0103 rupt\u0103 confirmat\u0103 (sau mai multe bare) \u2014 planifica\u021bi \u00eenlocuirea.<\/li>\n<li><strong>Peste 60% din 1\u00d7:<\/strong> mai multe bare rupte \u2014 \u00eenlocuirea este urgent\u0103.<\/li>\n<li><strong>Benzi laterale mai \u00eenalte dec\u00e2t v\u00e2rful de 1\u00d7:<\/strong> o stare grav\u0103 care impune ac\u021biuni imediate.<\/li>\n<\/ul>\n<h2>5. Consecin\u021be \u0219i evolu\u021bie<\/h2>\n<p>L\u0103sat nerezolvat, un singur defect r\u0103m\u00e2ne rareori singular. Deteriorarea evolueaz\u0103 prin etape recognoscibile:<\/p>\n<ul>\n<li><strong>Defectarea ini\u021bial\u0103 (o bar\u0103):<\/strong> pulsa\u021bie u\u0219oar\u0103 a cuplului, benzi laterale mici \u00een formare \u0219i pierdere minim\u0103 de performan\u021b\u0103. Un motor poate func\u021biona luni de zile \u00een aceast\u0103 stare.<\/li>\n<li><strong>Defec\u021biuni progresive (bare multiple):<\/strong> curentul care ar fi trebuit s\u0103 circule prin bara rupt\u0103 se redirec\u021bioneaz\u0103 c\u0103tre cele \u00eenvecinate, supra\u00eenc\u0103lzindu-le; solicitarea termic\u0103 rupe apoi \u0219i acele bare. Pulsa\u021biile cuplului \u0219i vibra\u021biile cresc, iar o ma\u0219in\u0103 se poate deteriora de la una la mai multe bare rupte \u00een c\u00e2teva s\u0103pt\u0103m\u00e2ni.<\/li>\n<li><strong>Stare grav\u0103:<\/strong> mai multe bare rupte adiacente produc pulsa\u021bii violente ale cuplului, vibra\u021bii \u0219i zgomot ridicate \u0219i supra\u00eenc\u0103lzirea rotorului. Deznod\u0103m\u00e2ntul este defectarea complet\u0103 a rotorului, cu un risc real de deteriorare colateral\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/stator-defects\/\">stator<\/a> din cauza curen\u021bilor de circula\u021bie excesivi.<\/li>\n<\/ul>\n<h2>6. Ac\u021biuni corective \u0219i prevenire<\/h2>\n<p>Odat\u0103 confirmat un defect, r\u0103spunsul const\u0103 \u00een gestionarea deliberat\u0103 a acestuia, \u00een loc de a a\u0219tepta defectarea:<\/p>\n<ul>\n<li><strong>La detectare:<\/strong> reduce\u021bi intervalul de monitorizare (de la lunar la s\u0103pt\u0103m\u00e2nal), confirma\u021bi diagnosticul prin MCSA, planifica\u021bi \u00eenlocuirea motorului sau a rotorului, preg\u0103ti\u021bi o pies\u0103 de schimb pentru aplica\u021biile critice \u0219i investiga\u021bi de ce s-au rupt barele \u00een primul r\u00e2nd.<\/li>\n<li><strong>Op\u021biuni de repara\u021bie:<\/strong> \u00eenlocuirea rotorului este solu\u021bia cea mai fiabil\u0103 pentru ma\u0219inile mari; \u00eenlocuirea complet\u0103 a motorului este adesea cea mai economic\u0103 variant\u0103 pentru cele mici; atelierele specializate pot returna prin turnare rotoarele din aluminiu; iar o singur\u0103 bar\u0103 rupt\u0103 poate permite o func\u021bionare continu\u0103 limitat\u0103, sub monitorizare atent\u0103.<\/li>\n<li><strong>Prevenire:<\/strong> reduce\u021bi la minimum porniile frecvente cu demaroare progresive sau convertizoare de frecven\u021b\u0103, elimina\u021bi func\u021bionarea \u00een monofazat, asigura\u021bi o ventila\u021bie \u0219i r\u0103cire adecvate, alege\u021bi motoare dimensionate pentru ciclul de func\u021bionare real \u0219i baza\u021bi-v\u0103 pe detectarea timpurie pentru a interveni \u00eenainte ca defectul s\u0103 se agraveze.<\/li>\n<\/ul>\n<p>Defectele barelor rotorice se num\u0103r\u0103 printre cele mai distinctive defecte de motor din punct de vedere diagnostic: benzile laterale caracteristice de trecere a polilor le fac detectabile \u00een mod fiabil at\u00e2t prin <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration-diagnostics\/\">diagnosticarea vibra\u021biilor<\/a> c\u00e2t \u0219i prin analiza curentului. Depistarea lor timpurie transform\u0103 o poten\u021bial\u0103 defec\u021biune catastrofal\u0103 a rotorului \u0219i o oprire neplanificat\u0103 prelungit\u0103 \u00eentr-o repara\u021bie planificat\u0103 \u0219i gestionabil\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 defectele barei rotorului la motoarele cu colivie, inclusiv barele rupte \u0219i inelele de cap\u0103t fisurate, detectabile prin benzile laterale de frecven\u021b\u0103 de alunecare \u00een analiza vibra\u021biilor \u0219i curentului.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-215","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/215","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":2,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/215\/revisions"}],"predecessor-version":[{"id":102163,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/215\/revisions\/102163"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}