{"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\/da\/glossary\/brush-defects\/","title":{"rendered":"Hvad er b\u00f8rstefejl? Problemer med DC-motor og sl\u00e6bering"},"content":{"rendered":"<h1>Forst\u00e5else af b\u00f8rstefejl<\/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\/da\/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\/da\/product\/balanset-1\/\" title=\"B\u00e6rbart afbalanceringsapparat og vibrationsanalysator 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 komplet s\u00e6t med b\u00e6rbar afbalanceringsenhed og vibrationsanalysator\" 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\/da\/product-category\/devices\/\" rel=\"tag\">Enheder<\/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\/da\/product\/balanset-1\/\" title=\"B\u00e6rbart afbalanceringsapparat og vibrationsanalysator Balanset-1A\">B\u00e6rbart afbalanceringsapparat og vibrationsanalysator 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> + moms (hvis relevant)<\/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=\"\/da\/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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/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=\"L\u00e6g i kurv: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/product\/vibration-sensor\/\" title=\"Vibrationssensor\">\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=\"Balanset-1A vibrationssensor i n\u00e6rbillede\" 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\/da\/product-category\/parts\/\" rel=\"tag\">Dele<\/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\/da\/product\/vibration-sensor\/\" title=\"Vibrationssensor\">Vibrationssensor<\/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> + moms (hvis relevant)<\/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=\"\/da\/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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/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=\"L\u00e6g i kurv: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (laser-tachometer)\">\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=\"Optisk sensor (laser-tachometer)\" 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\/da\/product-category\/parts\/\" rel=\"tag\">Dele<\/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\/da\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (laser-tachometer)\">Optisk sensor (laser-tachometer)<\/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> + moms (hvis relevant)<\/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=\"\/da\/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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/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=\"L\u00e6g i kurv: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/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=\"Vibromera rotorbalanceringss\u00e6t: b\u00e6retaske, flerkanals signalbehandler, h\u00e5ndholdt analysator, magnetisk base, vibrationssensorer og spiralkabler.\" 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\/da\/product-category\/devices\/\" rel=\"tag\">Enheder<\/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\/da\/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> + moms (hvis relevant)<\/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=\"\/da\/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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/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=\"L\u00e6g i kurv: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/product\/magnet-stand\/\" title=\"Magnetisk stativ 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=\"Magnetbase.\" 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\/da\/product-category\/parts\/\" rel=\"tag\">Dele<\/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\/da\/product\/magnet-stand\/\" title=\"Magnetisk stativ Insize-60-kgf\">Magnetisk stativ 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> + moms (hvis relevant)<\/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=\"\/da\/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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/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=\"L\u00e6g i kurv: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/product\/reflective-tape\/\" title=\"Reflekterende tape\">\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=\"Reflekterende tape\" 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\/da\/product-category\/parts\/\" rel=\"tag\">Dele<\/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\/da\/product\/reflective-tape\/\" title=\"Reflekterende tape\">Reflekterende tape<\/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> + moms (hvis relevant)<\/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=\"\/da\/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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/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=\"L\u00e6g i kurv: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balancer &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=\"Balanset-1A-s\u00e6t med interface-enhed, sensorer, omdrejningst\u00e6ller og tilbeh\u00f8r\" 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\/da\/product-category\/devices\/\" rel=\"tag\">Enheder<\/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\/da\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balancer &quot;Balanset-1A&quot; OEM\">Dynamisk balancer \"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> + moms (hvis relevant)<\/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=\"\/da\/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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/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=\"L\u00e6g i kurv: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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>B\u00f8rstefejl<\/strong> er problemer med kul- eller metal-grafitb\u00f8rsterne, der leder str\u00f8m mellem de faste og roterende dele i j\u00e6vnstr\u00f8msmotorer, vekselstr\u00f8msmotorer med viklet rotor, generatorer og sleberingsenheder. De mest almindelige fejl er b\u00f8rsteslitage, forkert tilpasning, rysten (hopning), gnistdannelse, forurening og problemer med fjedertrykket. Hver af disse fejl medf\u00f8rer problemer p\u00e5 flere fronter: elektrisk (d\u00e5rlig str\u00f8moverf\u00f8rsel og lysbue), mekanisk (<a href=\"https:\/\/vibromera.eu\/da\/glossary\/vibration\/\">vibrationer<\/a> (som f\u00f8lge af hoppen) og - hvis det ikke udbedres - sekund\u00e6re skader p\u00e5 kommutatoren eller sl\u00e6beringene.<\/p>\n<p>B\u00f8rstemaskiner bliver gradvist fortr\u00e6ngt af vekselstr\u00f8msinduktionsmotorer, men de er langt fra udryddet. J\u00e6vnstr\u00f8msdrev, motorer med viklet rotor, generatorer og en r\u00e6kke specialudstyr er stadig afh\u00e6ngige af b\u00f8rster, s\u00e5 det er stadig en central del af <a href=\"https:\/\/vibromera.eu\/da\/glossary\/motor-defects\/\">diagnostik af elmotorer<\/a> and of any <a href=\"https:\/\/vibromera.eu\/da\/glossary\/electrical-faults\/\">elektrisk fejl<\/a> unders\u00f8gelse af roterende anl\u00e6g.<\/p>\n<h2>1. Almindelige fejl ved b\u00f8rster<\/h2>\n<h3>Brush Wear<\/h3>\n<p>En vis slitage er normal, men den kan forv\u00e6rres kraftigt:<\/p>\n<ul>\n<li><strong>Normalt slid:<\/strong> et gradvist materialetab som f\u00f8lge af friktion \u2014 i st\u00f8rrelsesordenen 1\u20132 mm pr. 1000 timer.<\/li>\n<li><strong>Accelereret slid:<\/strong> for\u00e5rsaget af h\u00f8j str\u00f8mstyrke, d\u00e5rlig sm\u00f8ring (ingen beskyttende kulstoffilm) eller forurening.<\/li>\n<li><strong>Symptomer:<\/strong> b\u00f8rsterne er blevet synligt kortere og n\u00e6rmer sig deres minimale l\u00e6ngde.<\/li>\n<li><strong>Konsekvenser:<\/strong> svagt fjedertryk, efterh\u00e5nden som b\u00f8rsten bliver kortere, hvilket medf\u00f8rer d\u00e5rlig kontakt og \u00f8get gnistdannelse.<\/li>\n<li><strong>Handling:<\/strong> Udskift, n\u00e5r den er slidt ned til minimumsl\u00e6ngden, typisk en tredjedel til halvdelen af den oprindelige l\u00e6ngde.<\/li>\n<\/ul>\n<h3>B\u00f8rstehop (chattering)<\/h3>\n<p>Her mister b\u00f8rsten af og til kontakten med kommutatoren:<\/p>\n<ul>\n<li><strong>\u00c5rsager:<\/strong> utilstr\u00e6kkeligt fjedertryk, en ru kommutator, ekstern <a href=\"https:\/\/vibromera.eu\/da\/glossary\/vibration\/\">vibrationer<\/a>, eller en excentrisk kommutator.<\/li>\n<li><strong>Symptomer:<\/strong> Synlig gnister, h\u00f8rbar summen eller raslen, elektrisk st\u00f8j<\/li>\n<li><strong>Vibrationer:<\/strong> hoppen skaber st\u00f8d ved kommutatorens stangpassagefrekvens.<\/li>\n<li><strong>Skader:<\/strong> fremskynder slid p\u00e5 kommutatoren og for\u00e5rsager skader som f\u00f8lge af lysbuespring.<\/li>\n<li><strong>Frekvens:<\/strong> b\u00f8rstehop ligger typisk i omr\u00e5det 100-1000 Hz.<\/li>\n<\/ul>\n<h3>D\u00e5rlig fastg\u00f8relse af b\u00f8rsten<\/h3>\n<ul>\n<li><strong>Beskrivelse:<\/strong> b\u00f8rstefladen f\u00f8lger ikke kommutatorens krumning.<\/li>\n<li><strong>\u00c5rsager:<\/strong> nye b\u00f8rster, der ikke er k\u00f8rt ind, forkert montering eller en b\u00f8rste med for h\u00f8j h\u00e5rdhed.<\/li>\n<li><strong>Effekt:<\/strong> mindre kontaktflade, h\u00f8j lokal str\u00f8mt\u00e6thed og koncentreret opvarmning.<\/li>\n<li><strong>Symptomer:<\/strong> overdreven gnistdannelse, overophedede omr\u00e5der og hurtigt slid.<\/li>\n<li><strong>L\u00f8sning:<\/strong> en korrekt indk\u00f8ringsprocedure, valg af den rette b\u00f8rstekvalitet og indslibningssten.<\/li>\n<\/ul>\n<h3>Forurening<\/h3>\n<ul>\n<li><strong>Olie og fedt:<\/strong> mindske friktionen, forhindre dannelsen af et kulstoflag og for\u00e5rsage elektrisk sporing.<\/li>\n<li><strong>St\u00f8v:<\/strong> slibende partikler, der fremskynder <a href=\"https:\/\/vibromera.eu\/da\/glossary\/wear\/\">slid<\/a>.<\/li>\n<li><strong>Fugtighed:<\/strong> fremmer korrosion og forringer den elektriske kontakt.<\/li>\n<li><strong>Afs\u00e6tning af kulstofst\u00f8v:<\/strong> Kan kortslutte mellem segmenter eller oprette sporingsstier<\/li>\n<\/ul>\n<h3>Problemer med b\u00f8rstefjederen<\/h3>\n<ul>\n<li><strong>Weak springs:<\/strong> utilstr\u00e6kkeligt tryk, d\u00e5rlig kontakt og rystelser.<\/li>\n<li><strong>Bruste fjedre:<\/strong> Der er slet ingen tryk, s\u00e5 b\u00f8rsten holder op med at r\u00f8re ved overfladen.<\/li>\n<li><strong>Forkert tryk:<\/strong> Er den for h\u00f8j, medf\u00f8rer det for stort slid, er den for lav, medf\u00f8rer det d\u00e5rlig kontakt.<\/li>\n<li><strong>Korrosion:<\/strong> Rustne fjedre mister deres elasticitet.<\/li>\n<\/ul>\n<h3>Gnistdannelse og lysbue<\/h3>\n<ul>\n<li>Synlige gnister ved kontaktfladen mellem b\u00f8rster og kommutator.<\/li>\n<li>\u00c5rsagerne omfatter b\u00f8rstehop, d\u00e5rlig kontakt, overbelastning og beskadigelse af kommutatoren.<\/li>\n<li>Skaden udvikler sig gradvist og for\u00e5rsager huller i kommutatorens overflade.<\/li>\n<li>I v\u00e6rste fald f\u00f8rer det til en flashover \u2013 en lysbue, der sl\u00e5r bro mellem flere segmenter.<\/li>\n<\/ul>\n<h2>2. Vibrationsm\u00f8nstre<\/h2>\n<h3>B\u00f8rsterelateret vibration<\/h3>\n<ul>\n<li><strong>Chattering:<\/strong> h\u00f8jfrekvente vibrationer i frekvensb\u00e5ndet 100\u20131000 Hz, n\u00e5r b\u00f8rsten hopper.<\/li>\n<li><strong>Kommutatorstangens frekvens:<\/strong> antal kommutatorst\u00e6nger \u00d7 omdrejningstal \/ 60.<\/li>\n<li><strong>Elektriske harmoniske svingninger:<\/strong> a family of <a href=\"https:\/\/vibromera.eu\/da\/glossary\/harmonics\/\">harmoniske<\/a> fra lysbuedannelse og den gentagne afbrydelse af str\u00f8mmen.<\/li>\n<li><strong>St\u00f8j p\u00e5 bredb\u00e5nd:<\/strong> tilf\u00e6ldigt h\u00f8jfrekvent indhold genereret ved gnistdannelse.<\/li>\n<li><strong>Amplitudemodulation:<\/strong> opst\u00e5r, hvis excentriciteten f\u00e5r kontakttrykket til at variere \u00e9n gang pr. omdrejning.<\/li>\n<\/ul>\n<h3>Sekund\u00e6re mekaniske effekter<\/h3>\n<ul>\n<li>B\u00f8rstefriktion skaber tangentielle kr\u00e6fter p\u00e5 kommutatoren.<\/li>\n<li>Uj\u00e6vn slitage p\u00e5 b\u00f8rsten kan medf\u00f8re <a href=\"https:\/\/vibromera.eu\/da\/glossary\/unbalance\/\">ubalance<\/a>-lignende symptomer.<\/li>\n<li>Et sk\u00e6vt fjedertryk kan forstyrre rotorens centrering.<\/li>\n<\/ul>\n<p>Da flere af disse signaler forekommer i samme frekvensomr\u00e5de som reelle mekaniske fejl, er b\u00f8rsteproblemer en klassisk kilde til forvirring ved fejls\u00f8gning - en p\u00e5mindelse om altid at kontrollere kommutatorens stangpassagefrekvens, f\u00f8r man giver lejerne skylden.<\/p>\n<h2>3. P\u00e5visningsmetoder<\/h2>\n<h3>Visuel inspektion<\/h3>\n<ul>\n<li><strong>Brush length:<\/strong> M\u00e5l den resterende l\u00e6ngde, og udskift den, hvis den er kortere end minimumsl\u00e6ngden.<\/li>\n<li><strong>Kontaktflade:<\/strong> den skal v\u00e6re glat og f\u00f8lge kommutatorens krumning.<\/li>\n<li><strong>Gnistdannelse:<\/strong> Kontroller i et m\u00f8rkt rum \u2014 let gnistdannelse er normalt, kraftig gnistdannelse er et problem.<\/li>\n<li><strong>Forurening:<\/strong> Kontroller for olie, st\u00f8v og sodaflejringer.<\/li>\n<li><strong>Fjedernes tilstand:<\/strong> Kontroller, at fjedrene er intakte og har den rette sp\u00e6nding.<\/li>\n<\/ul>\n<h3>Elektriske test<\/h3>\n<ul>\n<li><strong>Kontaktmodstand ved b\u00f8rstetilslutning:<\/strong> b\u00f8r v\u00e6re lav og ensartet p\u00e5 alle b\u00f8rster.<\/li>\n<li><strong>Fjedertryk:<\/strong> m\u00e5l med en fjederv\u00e6gt \u2014 typisk et tryk p\u00e5 1,5\u20133,5 psi.<\/li>\n<li><strong>Sp\u00e6ndingsfald:<\/strong> p\u00e5 tv\u00e6rs af gr\u00e6nsefladen mellem b\u00f8rster og kommutator, normalt mindre end 1 V pr. b\u00f8rste.<\/li>\n<\/ul>\n<h3>Vibrations- og akustiske metoder<\/h3>\n<ul>\n<li>High-frequency <a href=\"https:\/\/vibromera.eu\/da\/glossary\/accelerometer\/\">accelerometer<\/a> m\u00e5linger til at registrere p\u00e5virkningerne fra b\u00f8rstehop.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/da\/glossary\/acoustic-emission\/\">Akustisk emission<\/a> til detektering af lysbue.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/da\/glossary\/ultrasound-analysis\/\">Ultralydsoverv\u00e5gning<\/a> ved koronaudladning eller sporingsfejl.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/da\/glossary\/spectrum\/\">Spektrumanalyse<\/a> for at isolere kommutatorstangens frekvens.<\/li>\n<\/ul>\n<h3>Termisk billeddannelse<\/h3>\n<ul>\n<li>Varme b\u00f8rster er tegn p\u00e5 d\u00e5rlig kontakt eller overbelastning.<\/li>\n<li>Varme punkter p\u00e5 kommutatoren tyder p\u00e5 lokale problemer.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/da\/glossary\/thermography\/\">Termografi<\/a> kan afsl\u00f8re en temperaturforskel mellem b\u00f8rstes\u00e6ttene.<\/li>\n<\/ul>\n<h2>4. M\u00e5ling af b\u00f8rstevibrationer i felten<\/h2>\n<p>Hvis der er mistanke om, at en maskine med b\u00f8rster ryster eller danner lysbuer, kan man i praksis foretage en h\u00f8jfrekvent vibrationsm\u00e5ling ved b\u00f8rstehuset. En b\u00e6rbar tokanalsanalysator som f.eks. <a href=\"https:\/\/vibromera.eu\/da\/vare-2\/balanset-1\/\">Balanset-1A<\/a> giver dig mulighed for at registrere frekvensspektret og fastsl\u00e5, om energien stemmer overens med kommutatorens stangpassagefrekvens eller med et bredb\u00e5ndet gnistm\u00f8nster. N\u00e5r det anvendes sammen med en visuel kontrol i et m\u00f8rklagt rum og en sp\u00e6ndingsfaldstest, hj\u00e6lper det med at skelne mellem en egentlig b\u00f8rstefejl og et uafh\u00e6ngigt problem med lejer eller afbalancering - og n\u00e5r de nye b\u00f8rster er monteret, bekr\u00e6fter det, at h\u00f8jfrekvensindholdet er faldet tilbage til udgangsniveauet. Overv\u00e5gning af disse m\u00e5lev\u00e6rdier inden for et <a href=\"https:\/\/vibromera.eu\/da\/glossary\/condition-monitoring\/\">tilstandsoverv\u00e5gning<\/a> program g\u00f8r en reaktiv udskiftning til en planlagt udskiftning.<\/p>\n<h2>5. Vedligeholdelse og rettelse<\/h2>\n<h3>Rutinem\u00e6ssig b\u00f8rstevedligeholdelse<\/h3>\n<ul>\n<li><strong>Inspektionshyppighed:<\/strong> m\u00e5nedligt for kritiske maskiner, kvartalsvis for almindelige anvendelser \u2014 et oplagt valg til <a href=\"https:\/\/vibromera.eu\/da\/glossary\/periodic-monitoring\/\">rute-baseret periodisk overv\u00e5gning<\/a>.<\/li>\n<li><strong>Reng\u00f8ring:<\/strong> Sug kulst\u00f8v v\u00e6k og reng\u00f8r kommutatorens overflade.<\/li>\n<li><strong>L\u00e6ngdekontrol:<\/strong> Udskift b\u00f8rsterne, n\u00e5r de n\u00e5r minimumsl\u00e6ngden.<\/li>\n<li><strong>Fjeder-sp\u00e6nding:<\/strong> Kontroller, at trykket er korrekt.<\/li>\n<li><strong>Kommutatorens tilstand:<\/strong> Kontroller for ridser, grubet\u00e6ring og forh\u00f8jede st\u00e6nger.<\/li>\n<\/ul>\n<h3>Udskiftning af b\u00f8rste<\/h3>\n<ul>\n<li>Brug den rigtige kvalitet til form\u00e5let \u2014 kontakt producenten.<\/li>\n<li>Udskift alle b\u00f8rster i et s\u00e6t p\u00e5 \u00e9n gang.<\/li>\n<li>S\u00f8rg for, at b\u00f8rsteholderne sidder korrekt.<\/li>\n<li>Giv nye b\u00f8rster en indk\u00f8ringsperiode p\u00e5 24\u201348 timer, s\u00e5 de kan s\u00e6tte sig ordentligt fast.<\/li>\n<li>Kontroller fjedertrykket igen efter monteringen.<\/li>\n<\/ul>\n<h3>Vedligeholdelse af kommutator<\/h3>\n<ul>\n<li>Reng\u00f8r regelm\u00e6ssigt med godkendte opl\u00f8sningsmidler eller sten.<\/li>\n<li>Afdrej kommutatoren maskinelt, hvis den bliver rillet eller ru.<\/li>\n<li>Sk\u00e6r glimmeren ud mellem st\u00e6ngerne de steder, hvor det er angivet.<\/li>\n<li>Kontroller for st\u00e6nger, der sidder for h\u00f8jt, l\u00f8se st\u00e6nger og beskadigede segmenter.<\/li>\n<\/ul>\n<h2>6. Bedste praksis inden for forebyggelse<\/h2>\n<h3>Driftspraksis<\/h3>\n<ul>\n<li>Brug apparatet inden for den angivne str\u00f8m for at begr\u00e6nse opvarmningen af b\u00f8rsterne.<\/li>\n<li>Undg\u00e5 for hyppige start \u2014 startstr\u00f8mmen belaster b\u00f8rsterne.<\/li>\n<li>Hold omgivelserne rene for at undg\u00e5 forurening.<\/li>\n<li>Hold \u00f8je med luftfugtigheden; luft, der er for t\u00f8r eller for fugtig, kan \u00f8del\u00e6gge kontakten.<\/li>\n<\/ul>\n<h3>Udv\u00e6lgelse og design<\/h3>\n<ul>\n<li>V\u00e6lg en passende b\u00f8rstetype \u2014 bl\u00f8d eller h\u00e5rd \u2014 i forhold til str\u00f8mt\u00e6theden.<\/li>\n<li>S\u00f8rg for, at der er tilstr\u00e6kkeligt med b\u00f8rster til den aktuelle str\u00f8mstyrke.<\/li>\n<li>Brug en b\u00f8rsteholder af passende konstruktion.<\/li>\n<li>Overvej b\u00f8rstel\u00f8se alternativer til nye installationer<\/li>\n<\/ul>\n<p>B\u00f8rstefejl er ganske vist et problem, der er specifikt for j\u00e6vnstr\u00f8msmotorer og motorer med viklet rotor, men de udg\u00f8r vigtige vedligeholdelsespunkter, hvor det betaler sig at foretage regelm\u00e6ssig eftersyn og udskifte b\u00f8rsterne i tide. En klar forst\u00e5else af slidmekanismerne, god vedligeholdelsespraksis og evnen til at genkende de diagnostiske symptomer sikrer, at b\u00f8rstemotorer k\u00f8rer p\u00e5lideligt \u2013 og forhindrer de elektriske og mekaniske skader, der opst\u00e5r, n\u00e5r b\u00f8rsterne ikke vedligeholdes.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/da\/glossary\/\">\u2190 Tilbage til hovedindekset<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e6r om b\u00f8rstefejl i DC-motorer og viklede rotormaskiner, herunder slid, vibrationer, gnister og d\u00e5rlig kontakt, der for\u00e5rsager vibrationer og elektriske problemer.<\/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\/da\/wp-json\/wp\/v2\/glossary\/64","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary\/64\/revisions"}],"predecessor-version":[{"id":101429,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary\/64\/revisions\/101429"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/media?parent=64"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/categories?post=64"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/tags?post=64"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}