{"id":64,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/brush-defects\/"},"modified":"2026-05-23T22:56:07","modified_gmt":"2026-05-23T22:56:07","slug":"brush-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/brush-defects\/","title":{"rendered":"Ce sunt defectele periilor? Probleme cu motorul de curent continuu \u0219i inelul colector"},"content":{"rendered":"<h1>\u00cen\u021belegerea defectelor periei<\/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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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\/64?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 de perie<\/strong> sunt probleme legate de periile din carbon sau din metal-grafit care conduc curentul electric \u00eentre p\u0103r\u021bile fixe \u0219i cele rotative ale motoarelor de curent continuu, ale motoarelor de curent alternativ cu rotor bobinat, ale generatoarelor \u0219i ale ansamblurilor cu inele colectoare. Defectele frecvente sunt uzura periilor, a\u0219ezarea incorect\u0103, vibra\u021biile (s\u0103riturile), sc\u00e2nteile, contaminarea \u0219i problemele legate de tensiunea arcului. Fiecare dintre acestea genereaz\u0103 probleme pe mai multe planuri: electric (transfer deficitar de curent \u0219i formarea de arcuri electrice), mecanic (<a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> (din cauza vibra\u021biilor) \u0219i \u2014 dac\u0103 nu se remediaz\u0103 \u2014 deteriorarea secundar\u0103 a comutatorului sau a inelelor colectoare.<\/p>\n<p>Ma\u0219inile cu perii sunt \u00eenlocuite treptat de motoarele de curent alternativ cu induc\u021bie, dar sunt \u00eenc\u0103 departe de a fi disp\u0103rut. Sistemele de ac\u021bionare cu curent continuu, motoarele cu rotor bobinat, generatoarele \u0219i o serie de echipamente specializate se bazeaz\u0103 \u00een continuare pe perii, astfel \u00eenc\u00e2t identificarea defectelor acestora r\u0103m\u00e2ne o component\u0103 esen\u021bial\u0103 a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/motor-defects\/\">diagnosticarea motoarelor electrice<\/a> \u0219i a oric\u0103rei <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/electrical-faults\/\">defec\u021biune electric\u0103<\/a> investiga\u021bii privind instala\u021bia rotativ\u0103.<\/p>\n<h2>1. Defecte frecvente ale periilor<\/h2>\n<h3>Uzura periei<\/h3>\n<p>O anumit\u0103 uzur\u0103 este normal\u0103, dar poate fi accelerat\u0103 \u00een mod semnificativ:<\/p>\n<ul>\n<li><strong>Uzur\u0103 normal\u0103:<\/strong> pierderea treptat\u0103 de material cauzat\u0103 de frecare \u2014 de ordinul a 1\u20132 mm la fiecare 1000 de ore.<\/li>\n<li><strong>Uzur\u0103 accelerat\u0103:<\/strong> cauzate de curentul ridicat, lubrifierea deficitar\u0103 (lipsa peliculei protectoare de carbon) sau contaminarea.<\/li>\n<li><strong>Simptome:<\/strong> perii s-au scurtat vizibil \u0219i se apropie de lungimea minim\u0103.<\/li>\n<li><strong>Consecin\u021be:<\/strong> o presiune redus\u0103 a arcului pe m\u0103sur\u0103 ce peria se scurteaz\u0103, ceea ce duce la un contact deficitar \u0219i la o intensificare a sc\u00e2nteilor.<\/li>\n<li><strong>Ac\u021biune:<\/strong> \u00eenlocui\u021bi-o c\u00e2nd s-a uzat p\u00e2n\u0103 la lungimea minim\u0103, de obicei \u00eentre o treime \u0219i jum\u0103tate din lungimea ini\u021bial\u0103.<\/li>\n<\/ul>\n<h3>Drebesc\u0103it al periei (s\u0103rituri)<\/h3>\n<p>Aici peria pierde contactul cu comutatorul \u00een mod intermitent:<\/p>\n<ul>\n<li><strong>Cauze:<\/strong> presiune insuficient\u0103 a arcului, comutator uzat, extern <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a>, sau un comutator excentric.<\/li>\n<li><strong>Simptome:<\/strong> Sc\u00e2ntei vizibile, b\u00e2z\u00e2it sau zdr\u0103ng\u0103nit audibil, zgomot electric<\/li>\n<li><strong>Vibra\u021bii:<\/strong> oscila\u021biile genereaz\u0103 impulsuri la frecven\u021ba de trecere a barelor comutatorului.<\/li>\n<li><strong>Daune:<\/strong> accelereaz\u0103 uzura comutatorului \u0219i provoac\u0103 deterior\u0103ri cauzate de arc electric.<\/li>\n<li><strong>Frecven\u0163\u0103:<\/strong> Zgomotul caracteristic se \u00eencadreaz\u0103, de obicei, \u00een intervalul 100\u20131000 Hz.<\/li>\n<\/ul>\n<h3>Rodaj defectuos al periei<\/h3>\n<ul>\n<li><strong>Descriere:<\/strong> suprafa\u021ba periei nu se adapteaz\u0103 la curbura comutatorului.<\/li>\n<li><strong>Cauze:<\/strong> perii noi care nu au fost \u00eenc\u0103 rodate, montarea incorect\u0103 sau o duritate prea mare a periei.<\/li>\n<li><strong>Efect:<\/strong> suprafa\u021b\u0103 de contact redus\u0103, densitate local\u0103 ridicat\u0103 a curentului \u0219i \u00eenc\u0103lzire concentrat\u0103.<\/li>\n<li><strong>Simptome:<\/strong> sc\u00e2ntei excesive, puncte fierbin\u021bi \u0219i uzur\u0103 rapid\u0103.<\/li>\n<li><strong>Solu\u021bie:<\/strong> o procedur\u0103 adecvat\u0103 de rodaj, alegerea corect\u0103 a gradului de periere \u0219i pietre de rodaj abrazive.<\/li>\n<\/ul>\n<h3>Contaminare<\/h3>\n<ul>\n<li><strong>Ulei \u0219i unsoare:<\/strong> reduc frecarea, \u00eempiedic\u0103 formarea peliculei de carbon \u0219i provoac\u0103 curen\u021bi de fug\u0103 electrici.<\/li>\n<li><strong>Praf:<\/strong> particule abrazive care accelereaz\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/wear\/\">uzur\u0103<\/a>.<\/li>\n<li><strong>Umiditate:<\/strong> favorizeaz\u0103 coroziunea \u0219i afecteaz\u0103 contactul electric.<\/li>\n<li><strong>Acumularea de praf de carbon:<\/strong> Poate scurtcircuita \u00eentre segmente sau crea c\u0103i de urm\u0103rire<\/li>\n<\/ul>\n<h3>Probleme legate de arcurile periilor<\/h3>\n<ul>\n<li><strong>Arcuri slabe:<\/strong> presiune insuficient\u0103, contact deficitar \u0219i s\u0103rituri.<\/li>\n<li><strong>Arcuri rupte:<\/strong> nu exist\u0103 nicio presiune, astfel \u00eenc\u00e2t peria nu mai intr\u0103 \u00een contact.<\/li>\n<li><strong>Presiune incorect\u0103:<\/strong> O valoare prea mare duce la uzur\u0103 excesiv\u0103, iar una prea mic\u0103 duce la un contact deficitar.<\/li>\n<li><strong>Coroziune:<\/strong> Arcurile corodate \u00ee\u0219i pierd elasticitatea.<\/li>\n<\/ul>\n<h3>Sc\u00e2ntei \u0219i arcuri electrice<\/h3>\n<ul>\n<li>Se observ\u0103 sc\u00e2ntei la punctul de contact dintre perii \u0219i comutator.<\/li>\n<li>Printre cauze se num\u0103r\u0103 vibra\u021biile, contactul defectuos, suprasolicitarea \u0219i deteriorarea comutatorului.<\/li>\n<li>Deteriorarea este progresiv\u0103, provoc\u00e2nd coroziune punctiform\u0103 pe suprafa\u021ba comutatorului.<\/li>\n<li>\u00cen cel mai r\u0103u caz, acest lucru duce la un flashover \u2014 un arc electric care leag\u0103 mai multe segmente.<\/li>\n<\/ul>\n<h2>2. Semn\u0103turi de vibra\u021bie<\/h2>\n<h3>Vibra\u021bii legate de perie<\/h3>\n<ul>\n<li><strong>Trepida\u021bii (s\u0103rituri):<\/strong> vibra\u021bii de \u00eenalt\u0103 frecven\u021b\u0103 \u00een banda de 100\u20131000 Hz pe m\u0103sur\u0103 ce peria sare.<\/li>\n<li><strong>Frecven\u021ba barelor comutatorului:<\/strong> num\u0103rul de bare ale comutatorului \u00d7 tura\u021bia \/ 60.<\/li>\n<li><strong>Armonici electrice:<\/strong> o familie de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">armonice<\/a> din cauza arcului electric \u0219i a \u00eentreruperilor repetate ale curentului.<\/li>\n<li><strong>Zgomotul de band\u0103 larg\u0103:<\/strong> con\u021binut aleatoriu de \u00eenalt\u0103 frecven\u021b\u0103 generat de sc\u00e2ntei.<\/li>\n<li><strong>Modula\u021bie de amplitudine:<\/strong> apare dac\u0103 excentricitatea determin\u0103 varia\u021bia presiunii de contact o dat\u0103 pe rota\u021bie.<\/li>\n<\/ul>\n<h3>Efecte mecanice secundare<\/h3>\n<ul>\n<li>Fric\u021biunea periei genereaz\u0103 for\u021be tangen\u021biale asupra comutatorului.<\/li>\n<li>Uzura inegal\u0103 a periei poate duce la <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a>-simptome asem\u0103n\u0103toare.<\/li>\n<li>Presiunea asimetric\u0103 exercitat\u0103 de arc poate afecta centrarea rotorului.<\/li>\n<\/ul>\n<p>Deoarece multe dintre aceste semnale se suprapun din punct de vedere al frecven\u021bei cu defec\u021biunile mecanice reale, problemele legate de perii reprezint\u0103 o surs\u0103 clasic\u0103 de confuzie \u00een diagnosticare \u2014 un motiv pentru a verifica \u00eentotdeauna frecven\u021ba de trecere a barelor comutatorului \u00eenainte de a da vina pe rulmen\u021bi.<\/p>\n<h2>3. Metode de detectare<\/h2>\n<h3>Inspec\u021bie vizual\u0103<\/h3>\n<ul>\n<li><strong>Lungimea periei:<\/strong> m\u0103sura\u021bi lungimea r\u0103mas\u0103 \u0219i \u00eenlocui\u021bi-o dac\u0103 este sub limita minim\u0103.<\/li>\n<li><strong>Suprafa\u021b\u0103 de contact:<\/strong> ar trebui s\u0103 fie neted\u0103 \u0219i conform\u0103 cu comutatorul.<\/li>\n<li><strong>Sc\u00e2ntei:<\/strong> verifica\u021bi \u00eentr-un loc \u00eentunecat \u2014 sc\u00e2nteile u\u0219oare sunt normale, dar sc\u00e2nteile intense reprezint\u0103 o problem\u0103.<\/li>\n<li><strong>Contaminare:<\/strong> verifica\u021bi dac\u0103 exist\u0103 depuneri de ulei, praf \u0219i carbon.<\/li>\n<li><strong>Starea arcului:<\/strong> verifica\u021bi dac\u0103 arcurile sunt intacte \u0219i asigur\u0103 tensiunea corespunz\u0103toare.<\/li>\n<\/ul>\n<h3>Teste electrice<\/h3>\n<ul>\n<li><strong>Rezisten\u021ba de contact a periei:<\/strong> ar trebui s\u0103 fie redus\u0103 \u0219i uniform\u0103 pentru toate periile.<\/li>\n<li><strong>Presiunea arcului:<\/strong> m\u0103sura\u021bi cu un c\u00e2ntar cu arc \u2014 de obicei, o presiune de contact de 1,5\u20133,5 psi.<\/li>\n<li><strong>C\u0103dere de tensiune:<\/strong> la nivelul interfe\u021bei dintre perii \u0219i comutator, de obicei sub 1 V pe perie.<\/li>\n<\/ul>\n<h3>Metode de analiz\u0103 a vibra\u021biilor \u0219i a zgomotului<\/h3>\n<ul>\n<li>Frecven\u021b\u0103 ridicat\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/accelerometer\/\">accelerometru<\/a> m\u0103sur\u0103tori pentru a surprinde impacturile cauzate de saltul periei.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/acoustic-emission\/\">Emisie acustic\u0103<\/a> pentru detectarea arcului electric.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/ultrasound-analysis\/\">Monitorizare cu ultrasunete<\/a> pentru desc\u0103rc\u0103ri corona sau efectul de urm\u0103rire.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/spectrum\/\">Analiza spectrului<\/a> pentru a izola frecven\u021ba barei comutatorului.<\/li>\n<\/ul>\n<h3>Imagistic\u0103 termic\u0103<\/h3>\n<ul>\n<li>Periile \u00eenc\u0103lzite indic\u0103 un contact defectuos sau o suprasarcin\u0103.<\/li>\n<li>Punctele fierbin\u021bi de pe comutator indic\u0103 existen\u021ba unor probleme localizate.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/thermography\/\">Termografie<\/a> poate eviden\u021bia o diferen\u021b\u0103 de temperatur\u0103 \u00eentre seturile de perii.<\/li>\n<\/ul>\n<h2>4. M\u0103surarea vibra\u021biilor periei \u00een teren<\/h2>\n<p>Atunci c\u00e2nd se suspecteaz\u0103 c\u0103 un motor cu perii prezint\u0103 vibra\u021bii sau arcuri electrice, testul practic const\u0103 \u00een m\u0103surarea vibra\u021biilor de \u00eenalt\u0103 frecven\u021b\u0103 la nivelul carcasei angrenajului cu perii. Un analizor portabil cu dou\u0103 canale, precum <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> v\u0103 permite s\u0103 \u00eenregistra\u021bi spectrul \u0219i s\u0103 confirma\u021bi dac\u0103 energia corespunde frecven\u021bei de trecere a barelor comutatorului sau unui model de sc\u00e2ntei de band\u0103 larg\u0103. Utilizat\u0103 \u00eempreun\u0103 cu o verificare vizual\u0103 \u00eentr-un spa\u021biu \u00eentunecat \u0219i cu un test de c\u0103dere de tensiune, aceasta ajut\u0103 la diferen\u021bierea unui defect real al periei de o problem\u0103 necorelat\u0103 legat\u0103 de rulment sau de echilibrare \u2014 \u0219i, odat\u0103 ce periile noi sunt montate, verific\u0103 dac\u0103 con\u021binutul de frecven\u021b\u0103 \u00eenalt\u0103 a revenit la valoarea de referin\u021b\u0103. Urm\u0103rirea acestor valori \u00een cadrul unui <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/condition-monitoring\/\">monitorizarea st\u0103rii<\/a> programul transform\u0103 o \u00eenlocuire de urgen\u021b\u0103 \u00eentr-una planificat\u0103.<\/p>\n<h2>5. \u00centre\u021binere \u0219i corectare<\/h2>\n<h3>\u00centre\u021binerea de rutin\u0103 a periei<\/h3>\n<ul>\n<li><strong>Frecven\u021ba inspec\u021biilor:<\/strong> lunar pentru echipamentele critice, trimestrial pentru aplica\u021biile generale \u2014 o alegere fireasc\u0103 pentru <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/periodic-monitoring\/\">monitorizare periodic\u0103 pe traseu<\/a>.<\/li>\n<li><strong>Cur\u0103\u021bare:<\/strong> Aspira\u021bi praful de carbon \u0219i cur\u0103\u021ba\u021bi suprafa\u021ba comutatorului.<\/li>\n<li><strong>Verificarea lungimii:<\/strong> \u00eenlocui\u021bi periile atunci c\u00e2nd ating lungimea minim\u0103.<\/li>\n<li><strong>Tensiunea arcului:<\/strong> verifica\u021bi dac\u0103 presiunea este corect\u0103.<\/li>\n<li><strong>Starea comutatorului:<\/strong> verifica\u021bi dac\u0103 exist\u0103 zg\u00e2rieturi, coroziune punctiform\u0103 \u0219i lamele proeminente.<\/li>\n<\/ul>\n<h3>\u00cenlocuirea periei<\/h3>\n<ul>\n<li>Folosi\u021bi tipul de produs adecvat pentru aplica\u021bie \u2014 consulta\u021bi produc\u0103torul.<\/li>\n<li>\u00cenlocui\u021bi toate periile dintr-un set \u00een acela\u0219i timp.<\/li>\n<li>Asigura\u021bi-v\u0103 c\u0103 periile se potrivesc corect \u00een suporturile lor.<\/li>\n<li>L\u0103sa\u021bi noile perii s\u0103 se a\u0219eze complet timp de 24\u201348 de ore.<\/li>\n<li>Verifica\u021bi din nou presiunea arcului dup\u0103 montare.<\/li>\n<\/ul>\n<h3>\u00centre\u021binerea comutatorului<\/h3>\n<ul>\n<li>Cur\u0103\u021ba\u021bi regulat cu solven\u021bi sau pietre de cur\u0103\u021bare omologate.<\/li>\n<li>Strunjiti (prelucra\u021bi) comutatorul dac\u0103 acesta prezint\u0103 rizuri sau este rugos.<\/li>\n<li>T\u0103ia\u021bi mica \u00eentre bare \u00een locurile indicate.<\/li>\n<li>Verifica\u021bi dac\u0103 exist\u0103 bare ridicate, bare sl\u0103bite \u0219i segmente deteriorate.<\/li>\n<\/ul>\n<h2>6. Cele mai bune practici \u00een materie de prevenire<\/h2>\n<h3>Practici opera\u021bionale<\/h3>\n<ul>\n<li>Opera\u021bi ma\u0219ina \u00een limitele curentului nominal pentru a limita \u00eenc\u0103lzirea periilor.<\/li>\n<li>Evita\u021bi pornirile prea frecvente \u2014 curentul de pornire solicit\u0103 excesiv periile.<\/li>\n<li>P\u0103stra\u021bi mediul curat pentru a preveni contaminarea.<\/li>\n<li>Controla\u021bi umiditatea; aerul prea uscat sau prea umed degradeaz\u0103 ambele contactul.<\/li>\n<\/ul>\n<h3>Selec\u021bie \u0219i design<\/h3>\n<ul>\n<li>Specifica\u021bi un grad de perie adecvat \u2014 moale sau dur \u2014 pentru densitatea curentului.<\/li>\n<li>Asigura\u021bi-v\u0103 c\u0103 exist\u0103 un num\u0103r suficient de perii pentru curentul electric.<\/li>\n<li>Folosi\u021bi un suport pentru perii adecvat.<\/li>\n<li>Lua\u021bi \u00een considerare alternative f\u0103r\u0103 perii pentru instala\u021biile noi<\/li>\n<\/ul>\n<p>Defectele periilor, de\u0219i specifice ma\u0219inilor cu curent continuu \u0219i celor cu rotor \u00eenf\u0103\u0219urat, reprezint\u0103 aspecte importante de \u00eentre\u021binere care justific\u0103 inspec\u021bia periodic\u0103 \u0219i \u00eenlocuirea la timp. O \u00een\u021belegere clar\u0103 a mecanismelor de uzur\u0103, practicile corecte de \u00eentre\u021binere \u0219i recunoa\u0219terea simptomelor de diagnostic asigur\u0103 func\u021bionarea fiabil\u0103 a motoarelor cu perii \u2014 \u0219i previn avariile electrice \u0219i mecanice care apar \u00een urma neglij\u0103rii periilor.<\/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 periilor la motoarele de curent continuu \u0219i la ma\u0219inile cu rotor bobinat, inclusiv uzura, vibra\u021biile, sc\u00e2nteile \u0219i contactul deficitar care cauzeaz\u0103 vibra\u021bii \u0219i probleme electrice.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-64","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/64","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\/64\/revisions"}],"predecessor-version":[{"id":101429,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/64\/revisions\/101429"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=64"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=64"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=64"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}