{"id":167,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/motor-defects\/"},"modified":"2026-07-03T09:58:42","modified_gmt":"2026-07-03T09:58:42","slug":"motor-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/motor-defects\/","title":{"rendered":"Ce sunt defectele motorului? Diagnosticarea motoarelor electrice"},"content":{"rendered":"<h1>\u00cen\u021belegerea defectelor motoarelor electrice<\/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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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\/167?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 motoarelor electrice<\/strong> sunt defectele \u0219i modurile de defectare care apar la motoarele electrice \u2014 cuprinz\u00e2nd probleme pur mecanice (defec\u021biuni ale lag\u0103relor, contact rotor-stator, probleme ale arborelui), probleme electromagnetice (bare rupte ale rotorului, defec\u021biuni ale \u00eenf\u0103\u0219ur\u0103rii statorului, neregularit\u0103\u021bi ale \u00eentrefierului) \u0219i problemele electromecanice combinate, \u00een care una o alimenteaz\u0103 pe cealalt\u0103. Fiecare familie de defecte imprim\u0103 o semn\u0103tur\u0103 caracteristic\u0103 asupra&#8217; <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> \u0219i comportamentului electric al ma\u0219inii, astfel \u00eenc\u00e2t pot fi detectate prin <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration-analysis\/\">analiza vibra\u021biilor<\/a>, analiza semn\u0103turii curentului motorului (MCSA) \u0219i termografie cu mult \u00eenainte ca motorul s\u0103 se defecteze efectiv.<\/p>\n<p>Motoarele electrice se num\u0103r\u0103 printre cele mai r\u0103sp\u00e2ndite ma\u0219ini din orice unitate industrial\u0103, iar defec\u021biunile lor reprezint\u0103 o mare parte din timpii de nefunc\u021bionare neplanifica\u021bi \u0219i din costurile de mentenan\u021b\u0103. Cunoa\u0219terea modurilor de defectare specifice motoarelor \u2014 \u0219i a frecven\u021belor pe care le genereaz\u0103 \u2014 permite unei echipe de fiabilitate s\u0103 treac\u0103 de la \u00eenlocuirea reactiv\u0103 la interven\u021bia planificat\u0103, prevenind defectarea catastrofal\u0103 \u0219i ob\u021bin\u00e2nd maximum de fiabilitate de la fiecare ac\u021bionare.<\/p>\n<h2>1. Cele trei familii de defecte ale motoarelor<\/h2>\n<p>Este util s\u0103 clasifica\u021bi problemele motoarelor \u00een trei grupe: defecte comune tuturor ma\u0219inilor rotative, defecte specifice p\u0103r\u021bii electromagnetice \u0219i defectele hibride care cupleaz\u0103 cele dou\u0103 domenii.<\/p>\n<h3>Defecte mecanice (comune tuturor ma\u0219inilor rotative)<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">Dezechilibru<\/a>:<\/strong> asimetria masei rotorului, produc\u00e2nd o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/running-speed\/\">1\u00d7 tura\u021biei de func\u021bionare<\/a> vibra\u021bii.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-defects\/\">Defec\u021biuni ale rulmen\u021bilor<\/a>:<\/strong> cel mai frecvent defect al motoarelor, aproximativ jum\u0103tate din totalul defec\u021biunilor.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/misalignment\/\">Nealiniere<\/a>:<\/strong> eroare de aliniere \u00eentre motor \u0219i sarcin\u0103, \u00een mod clasic o component\u0103 puternic\u0103 de 2\u00d7.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/looseness\/\">Joc mecanic<\/a>:<\/strong> t\u0103lpi de montaj, capace de cap\u0103t sau componente ale rotorului sl\u0103bite, care adesea genereaz\u0103 o serie de armonici.<\/li>\n<li><strong>Probleme ale arborelui:<\/strong> o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bent-shaft\/\">arbore \u00eendoit<\/a> sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/cracked-rotor\/\">rotor fisurat<\/a> care \u00eencovoaie ansamblul rotativ.<\/li>\n<\/ul>\n<h3>Defecte electromagnetice (specifice motoarelor)<\/h3>\n<p>Acestea sunt defectele pe care o cutie de viteze sau o pomp\u0103 nu le prezint\u0103 niciodat\u0103 \u2014 ele apar \u00een colivia rotorului, \u00een \u00eenf\u0103\u0219urarea statorului \u0219i \u00een \u00eentrefierul magnetic dintre acestea.<\/p>\n<ul>\n<li><strong>Defecte electrice ale rotorului:<\/strong> <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/broken-rotor-bars\/\">bare de rotor rupte<\/a> (bare conductoare fracturate \u00een rotoarele \u00een colivie de veveri\u021b\u0103, aproximativ 10\u201315% din defec\u021biuni), inele de cap\u0103t fisurate (fracturi \u00een inelele de scurtcircuit care unesc barele), porozitatea rotorului (goluri de turnare care modific\u0103 propriet\u0103\u021bile electrice) \u0219i \u00eembin\u0103ri cu rezisten\u021b\u0103 ridicat\u0103 \u00eentre bare \u0219i inelele de cap\u0103t.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/stator-defects\/\">Defecte electrice ale statorului<\/a>:<\/strong> defectarea izola\u021biei \u00eenf\u0103\u0219ur\u0103rii, scurtcircuite \u00eentre spire \u0219i defecte \u00eentre faze (30\u201340% din defec\u021biuni), defecte de punere la mas\u0103 unde izola\u021bia cedeaz\u0103 spre carcas\u0103 \u0219i deteriorarea bobinelor cauzat\u0103 de degradare termic\u0103, solicitare mecanic\u0103 sau contaminare.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/air-gap\/\">Air-gap issues<\/a>:<\/strong> o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/eccentricity\/\">rotor excentric<\/a> care creeaz\u0103 un \u00eentrefier neuniform din fabrica\u021bie sau din uzur\u0103, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rubbing\/\">frecare<\/a> contact \u00eentre rotor \u0219i stator din cauza defect\u0103rii rulmentului sau a dezalinierii \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/magnetic-pull\/\">atrac\u021bie magnetic\u0103<\/a> \u2014 for\u021b\u0103 magnetic\u0103 dezechilibrat\u0103 care apare din asimetria \u00eentrefierului.<\/li>\n<\/ul>\n<h3>Defecte Electromecanice Combinate<\/h3>\n<ul>\n<li><strong>Probleme termice:<\/strong> supra\u00eenc\u0103lzire din cauza suprasarcinii, a ventila\u021biei insuficiente sau a unui defect electric subiacent.<\/li>\n<li><strong>Probleme de ventila\u021bie:<\/strong> ventilatoare de r\u0103cire blocate sau deteriorate care permit supra\u00eenc\u0103lzirea \u00eenf\u0103\u0219ur\u0103rilor.<\/li>\n<li><strong>Cuplaj inter-domenii:<\/strong> defecte electrice care provoac\u0103 vibra\u021bii mecanice \u0219i defecte mecanice care deformeaz\u0103 circuitul magnetic \u2014 fiecare amplific\u00e2ndu-l pe cel\u0103lalt.<\/li>\n<\/ul>\n<h2>2. Semn\u0103turile de vibra\u021bie ale principalelor defecte<\/h2>\n<p>Puterea diagnostic\u0103rii vibra\u021biilor la motoare const\u0103 \u00een faptul c\u0103 defectele electromagnetice apar la frecven\u021be previzibile, legate de re\u021bea, \u0219i nu la simpli multipli ai tura\u021biei arborelui. <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/electrical-frequency\/\">line frequency<\/a>, num\u0103rul de poli \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/slip-frequency\/\">frecven\u021ba de alunecare<\/a> stabilesc \u00eempreun\u0103 unde se situeaz\u0103 v\u00e2rfurile de diagnosticare.<\/p>\n<h3>Bare de rotor rupte<\/h3>\n<p>Unul dintre cele mai importante defecte specifice motoarelor \u0219i un caz \u0219coal\u0103 pentru <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/sidebands\/\">band\u0103 lateral\u0103<\/a> analiz\u0103:<\/p>\n<ul>\n<li><strong>Frecven\u0163\u0103:<\/strong> sidebands straddling running speed at \u00b1(pole-pass frequency) spacing \u2014 a 1\u00d7 \u00b1 F<sub>P<\/sub> model, unde F<sub>P<\/sub> = num\u0103rul de poli \u00d7 frecven\u021ba de alunecare, de obicei c\u00e2\u021biva hertzi la un motor de 60 Hz.<\/li>\n<li><strong>Modula\u021bie de amplitudine:<\/strong> curentul \u0219i cuplul pulseaz\u0103 la frecven\u021ba de trecere a polilor (de dou\u0103 ori alunecarea per-unitate \u00d7 frecven\u021ba re\u021belei).<\/li>\n<li><strong>Dependen\u021ba de sarcin\u0103:<\/strong> benzile laterale devin mai pronun\u021bate sub sarcin\u0103, prin urmare motorul trebuie \u00eenc\u0103rcat atunci c\u00e2nd efectua\u021bi m\u0103surarea.<\/li>\n<li><strong>Progresie:<\/strong> amplitudinea benzilor laterale cre\u0219te pe m\u0103sur\u0103 ce se fractureaz\u0103 bare suplimentare, ceea ce face ca defectul s\u0103 fie un bun candidat pentru <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/trending\/\">tendin\u021be<\/a>.<\/li>\n<\/ul>\n<h3>Probleme cu statorul<\/h3>\n<ul>\n<li><strong>Frecven\u0163\u0103:<\/strong> de obicei un v\u00e2rf dominant la de dou\u0103 ori frecven\u021ba re\u021belei \u2014 120 Hz la o alimentare de 60 Hz, 100 Hz la o alimentare de 50 Hz.<\/li>\n<li><strong>Cauza:<\/strong> asimetria for\u021bei magnetice creat\u0103 de defectele \u00eenf\u0103\u0219ur\u0103rilor. Un v\u00e2rf doar la 2\u00d7 frecven\u021ba re\u021belei nu este concludent \u2014 dezechilibrul de alimentare \u0219i excentricitatea \u00eentrefierului \u00eel produc de asemenea, a\u0219a c\u0103 confirma\u021bi cu verific\u0103ri ale curentului de faz\u0103.<\/li>\n<li><strong>Suplimentar:<\/strong> pot ap\u0103rea, de asemenea, armonici ale frecven\u021bei re\u021belei.<\/li>\n<li><strong>Zgomot electromagnetic:<\/strong> un zumzet audibil la dublul frecven\u021bei re\u021belei \u00eenso\u021be\u0219te adesea vibra\u021bia.<\/li>\n<\/ul>\n<h3>Rotor excentric (varia\u021bia \u00eentrefierului)<\/h3>\n<ul>\n<li><strong>Frecven\u021be:<\/strong> v\u00e2rfuri la de dou\u0103 ori frecven\u021ba re\u021belei \u0219i la viteza de rota\u021bie, flancate de benzi laterale spa\u021biate la <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/pole-pass-frequency\/\">frecven\u021b\u0103 de trecere a polilor<\/a>.<\/li>\n<li><strong>Model:<\/strong> 2\u00d7F<sub>L<\/sub> \u00b1 F<sub>P<\/sub> and 1\u00d7 \u00b1 F<sub>P<\/sub>, where F<sub>P<\/sub> (frecven\u021ba de trecere a polilor) = num\u0103rul de poli \u00d7 frecven\u021ba de alunecare.<\/li>\n<li><strong>Dezechilibru magnetic:<\/strong> un \u00eentrefier neuniform genereaz\u0103 vibra\u021bii radiale chiar \u0219i atunci c\u00e2nd rotorul este bine echilibrat mecanic.<\/li>\n<li><strong>Efect combinat:<\/strong> at\u00e2t o contribu\u021bie mecanic\u0103 (excentricitatea \u00een sine), c\u00e2t \u0219i una electromagnetic\u0103 (reluctan\u021ba magnetic\u0103 variabil\u0103 din jurul \u00eentrefierului).<\/li>\n<\/ul>\n<h2>3. Metode de detectare<\/h2>\n<p>Nicio tehnic\u0103 unic\u0103 nu surprinde fiecare defect al motorului. Cele mai puternice programe combin\u0103 \u00een straturi metode complementare, astfel \u00eenc\u00e2t un defect ratat de una este semnalat de alta.<\/p>\n<h3>Analiza vibra\u021biilor<\/h3>\n<ul>\n<li><strong>FFT standard:<\/strong> o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fft\/\">FFT<\/a> <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/spectrum\/\">spectru<\/a> rezolv\u0103 at\u00e2t defectele mecanice, c\u00e2t \u0219i frecven\u021bele liniei electromagnetice.<\/li>\n<li><strong>Analiza benzilor laterale:<\/strong> esen\u021bial pentru depistarea problemelor la barele rotorului \u0219i la \u00eentrefier, care se ascund \u00een flancurile v\u00e2rfului 1\u00d7.<\/li>\n<li><strong>Frecven\u021bele rulmen\u021bilor:<\/strong> <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/envelope-analysis\/\">analiza anvelopei<\/a> identific\u0103 timpuriu <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-fault-frequencies\/\">frecven\u021bele defectelor rulmen\u021bilor<\/a> ascunse sub componente mai puternice.<\/li>\n<li><strong>Analiza tendin\u021bei:<\/strong> urm\u0103rirea amplitudinilor \u00een timp scoate la iveal\u0103 un defect care se dezvolt\u0103 lent.<\/li>\n<\/ul>\n<h3>Analiza semn\u0103turii curentului motorului (MCSA)<\/h3>\n<ul>\n<li>Analizeaz\u0103 spectrul de frecven\u021b\u0103 al curentului de linie al motorului, mai degrab\u0103 dec\u00e2t vibra\u021bia acestuia.<\/li>\n<li>Detecteaz\u0103 defectele electrice f\u0103r\u0103 niciun senzor de vibra\u021bii montat pe ma\u0219in\u0103.<\/li>\n<li>Deosebit de eficient pentru defecte ale barelor rotorului \u0219i ale \u00eenf\u0103\u0219ur\u0103rii statorului.<\/li>\n<li>Poate fi efectuat online, f\u0103r\u0103 a perturba produc\u021bia.<\/li>\n<li>Completeaz\u0103, f\u0103r\u0103 a \u00eenlocui, analiza vibra\u021biilor.<\/li>\n<\/ul>\n<h3>Imagistic\u0103 termic\u0103<\/h3>\n<ul>\n<li>Camerele cu infraro\u0219u dezv\u0103luie punctele fierbin\u021bi pe carcasa motorului.<\/li>\n<li>Defectele \u00eenf\u0103\u0219ur\u0103rilor apar ca zone de \u00eenc\u0103lzire localizat\u0103.<\/li>\n<li>Blocajele de ventila\u021bie se manifest\u0103 ca zone calde extinse.<\/li>\n<li>Problemele lag\u0103relor cresc temperatura carcasei lag\u0103rului.<\/li>\n<li>Condi\u021biile de suprasarcin\u0103 produc o cre\u0219tere general\u0103 a temperaturii.<\/li>\n<\/ul>\n<h3>Testare electric\u0103<\/h3>\n<ul>\n<li><strong>Rezisten\u021ba de izola\u021bie:<\/strong> testarea cu megaohmetrul dezv\u0103luie deteriorarea izola\u021biei \u00eenf\u0103\u0219ur\u0103rilor.<\/li>\n<li><strong>Indicele de polarizare:<\/strong> un raport care indic\u0103 starea general\u0103 a izola\u021biei.<\/li>\n<li><strong>Hipot testing:<\/strong> verific\u0103 integritatea izola\u021biei la tensiune ridicat\u0103.<\/li>\n<li><strong>Echilibrul curentului:<\/strong> m\u0103surarea curentului din fiecare faz\u0103 scoate la iveal\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/electrical-unbalance\/\">dezechilibru electric<\/a> \u00eentre faze.<\/li>\n<\/ul>\n<h2>4. Statistici privind defec\u021biunile \u0219i Balanset-1A pe teren<\/h2>\n<p>Cunoa\u0219terea frecven\u021bei relative a fiec\u0103rui mod de defectare permite unei echipe s\u0103 \u00ee\u0219i \u00eendrepte eforturile de monitorizare acolo unde dau roade:<\/p>\n<ul>\n<li><strong>Defec\u021biuni ale rulmen\u021bilor:<\/strong> aproximativ 50% din defec\u021biunile motoarelor.<\/li>\n<li><strong>Defec\u021biuni ale \u00eenf\u0103\u0219ur\u0103rilor statorului:<\/strong> aproximativ 30\u201335%.<\/li>\n<li><strong>Rotor defects:<\/strong> aproximativ 10\u201315%.<\/li>\n<li><strong>Factori externi:<\/strong> restul de ~5% \u2014 contaminare, mediu \u0219i altele asemenea.<\/li>\n<\/ul>\n<p>Deoarece jum\u0103tate dintre aceste defec\u021biuni se datoreaz\u0103 lag\u0103relor, iar multe defec\u021biuni ale lag\u0103relor sunt cauzate de vibra\u021bii excesive, controlul dezechilibrului la surs\u0103 este unul dintre cele mai rentabile lucruri pe care le poate face o echip\u0103 de mentenan\u021b\u0103. Atunci c\u00e2nd vibra\u021bia 1\u00d7 a unui motor este ridicat\u0103, un inginer o poate confirma \u0219i corecta pe loc cu un analizor portabil cu dou\u0103 canale, precum <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a>: m\u0103soar\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/amplitude\/\">amplitudine<\/a> \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase\/\">faz\u0103<\/a> vibra\u021biei la tura\u021bia de func\u021bionare, distinge un dezechilibru real de un v\u00e2rf electromagnetic la dublul frecven\u021bei re\u021belei \u0219i \u2014 acolo unde defectul este mecanic \u2014 efectueaz\u0103 echilibrarea \u00eentr-un plan sau \u00een dou\u0103 plane <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrarea-campului\/\">echilibrarea la fa\u021ba locului<\/a> chiar \u00een lag\u0103rele proprii ale motorului, apoi verific\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/residual-unbalance\/\">dezechilibru rezidual<\/a> f\u0103r\u0103 demontarea ac\u021bion\u0103rii. Surprinderea problemei \u00een acest mod evit\u0103 \u00eenc\u0103rcarea lateral\u0103 care, altfel, scurteaz\u0103 durata de via\u021b\u0103 a lag\u0103relor.<\/p>\n<h2>5. Strategii de \u00centre\u021binere Preventiv\u0103<\/h2>\n<h3>Monitorizarea st\u0103rii<\/h3>\n<ul>\n<li>Inspec\u021bii trimestriale sau lunare ale vibra\u021biilor, dup\u0103 un program pe rut\u0103.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/continuous-monitoring\/\">Monitorizare continu\u0103<\/a> pentru cele mai critice motoare.<\/li>\n<li>Inspec\u021bii termografice anual sau semestrial.<\/li>\n<li>Analiza curentului motorului, periodic\u0103 sau continu\u0103.<\/li>\n<li>Urm\u0103rirea tendin\u021bei fiec\u0103rui parametru, astfel \u00eenc\u00e2t modific\u0103rile s\u0103 fie surprinse din timp, ca parte a unui program mai amplu de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/predictive-maintenance\/\">mentenan\u021b\u0103 predictiv\u0103<\/a> program.<\/li>\n<\/ul>\n<h3>\u00centre\u021binere de rutin\u0103<\/h3>\n<ul>\n<li><strong>Lubrifiere:<\/strong> relubrifia\u021bi lag\u0103rele conform programului \u2014 de regul\u0103 la fiecare 6\u201312 luni.<\/li>\n<li><strong>Cur\u0103\u021bare:<\/strong> \u00eendep\u0103rta\u021bi praful \u0219i impurit\u0103\u021bile din canalele de r\u0103cire.<\/li>\n<li><strong>Str\u00e2ngere:<\/strong> verifica\u021bi \u0219uruburile de fixare \u0219i conexiunile bornelor.<\/li>\n<li><strong>Inspec\u021bie:<\/strong> c\u0103uta\u021bi deterior\u0103ri vizibile, supra\u00eenc\u0103lzire \u0219i contaminare.<\/li>\n<li><strong>Testare:<\/strong> repeta\u021bi periodic testele de rezisten\u021b\u0103 a izola\u021biei.<\/li>\n<\/ul>\n<h3>Echilibrare \u0219i aliniere<\/h3>\n<ul>\n<li>Men\u021bine\u021bi o bun\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/balance-quality\/\">calitatea echilibrului<\/a> pentru a men\u021bine reduse sarcinile asupra lag\u0103relor.<\/li>\n<li>Hold precise <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/laser-shaft-alignment\/\">alinierea arborilor<\/a> la echipamentul antrenat.<\/li>\n<li>Reverifica\u021bi alinierea periodic \u2014 anual sau dup\u0103 orice interven\u021bie de mentenan\u021b\u0103.<\/li>\n<\/ul>\n<h2>6. Analiza cauzei primare<\/h2>\n<p>C\u00e2nd un motor se defecteaz\u0103, identificarea cauzei principale este ceea ce \u00eempiedic\u0103 reapari\u021bia aceluia\u0219i defect. Asocia\u021bi simptomul cu factorii probabili:<\/p>\n<h3>Defec\u021biuni ale rulmen\u021bilor<\/h3>\n<ul>\n<li><strong>Investiga\u021bi:<\/strong> adecvarea ungerii, sursele de contaminare, alinierea, nivelurile de vibra\u021bii.<\/li>\n<li><strong>Cauze comune:<\/strong> gresare excesiv\u0103, tip de unsoare gre\u0219it, dezaliniere, vibra\u021bii excesive.<\/li>\n<\/ul>\n<h3>Defec\u021biuni electrice<\/h3>\n<ul>\n<li><strong>Investiga\u021bi:<\/strong> Condi\u021bii de func\u021bionare, calitatea tensiunii, ciclul de func\u021bionare, adecvarea r\u0103cirii<\/li>\n<li><strong>Cauze comune:<\/strong> Suprasarcin\u0103, dezechilibru de tensiune, func\u021bionare monofazat\u0103, r\u0103cire blocat\u0103<\/li>\n<\/ul>\n<h3>Defec\u021biuni mecanice<\/h3>\n<ul>\n<li><strong>Investiga\u021bi:<\/strong> Caracteristicile \u00eenc\u0103rc\u0103rii, calitatea instal\u0103rii, mediul de operare<\/li>\n<li><strong>Cauze comune:<\/strong> \u0218ocuri, nealiniere, instalare deficitar\u0103, mediu contaminat<\/li>\n<\/ul>\n<h2>7. Standarde industriale<\/h2>\n<p>Mai multe standarde reglementeaz\u0103 performan\u021ba motoarelor, testarea \u0219i vibra\u021biile admisibile:<\/p>\n<ul>\n<li><strong>NEMA MG-1:<\/strong> performan\u021ba \u0219i testarea motoarelor.<\/li>\n<li><strong>IEC 60034:<\/strong> standarde interna\u021bionale pentru motoare, inclusiv limitele de vibra\u021bii.<\/li>\n<li><strong>IEEE 43:<\/strong> practica de testare a izola\u021biei (sursa indicelui de polarizare).<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/iso-20816-3\/\">ISO 20816<\/a>:<\/strong> criterii de severitate a vibra\u021biilor pentru motoare electrice \u2014 succesorul modern al seriei ISO 10816, citat\u0103 \u00eendelung.<\/li>\n<\/ul>\n<p>Defectele motoarelor electrice reprezint\u0103 o pondere semnificativ\u0103 din totalul defec\u021biunilor echipamentelor industriale. \u00cen\u021belegerea semn\u0103turilor distinctive ale defectelor mecanice, electrice \u0219i electromagnetice \u2014 \u0219i combinarea analizei vibra\u021biilor, a analizei curentului \u0219i a termografiei \u00eentr-un singur program de monitorizare a st\u0103rii \u2014 transform\u0103 mentenan\u021ba motoarelor din interven\u021bie de urgen\u021b\u0103 \u00een predic\u021bie, maximiz\u00e2nd fiabilitatea \u0219i minimiz\u00e2nd opririle neplanificate.<\/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 motoarelor electrice, inclusiv problemele barei rotorului, problemele statorului, defec\u021biunile rulmen\u021bilor \u0219i defec\u021biunile electromagnetice, detectabile prin analiza vibra\u021biilor \u0219i a curentului.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-167","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/167","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":3,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/167\/revisions"}],"predecessor-version":[{"id":102166,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/167\/revisions\/102166"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}