{"id":20649,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rolling-element-defects\/"},"modified":"2026-05-23T22:52:59","modified_gmt":"2026-05-23T22:52:59","slug":"rolling-element-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sv\/glossary\/rolling-element-defects\/","title":{"rendered":"Vad \u00e4r defekter p\u00e5 rullelement? Skador p\u00e5 kulor och rullar"},"content":{"rendered":"<h1>F\u00f6rst\u00e5 defekter i rullelement<\/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\/sv\/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\/sv\/product\/balanset-1\/\" title=\"Portabel balanserare &amp; 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 komplett kit med portabel balanserare och 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\/sv\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/sv\/product\/balanset-1\/\" title=\"Portabel balanserare &amp; vibrationsanalysator Balanset-1A\">Portabel balanserare &amp; 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 (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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\u00e4gg till i varukorgen: \u201dPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Portable balancer &amp; Vibration analyzer Balanset-1A&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/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 - n\u00e4rbild\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/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 (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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\u00e4gg till i varukorgen: \u201dVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Vibration sensor&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (lasertakometer)\">\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 (lasertakometer)\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (lasertakometer)\">Optisk sensor (lasertakometer)<\/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 (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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\u00e4gg till i varukorgen: \u201dOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Optical Sensor (Laser Tachometer)&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/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 rotorbalanseringssats: b\u00e4rv\u00e4ska, flerkanalig signalkonditionerare, handh\u00e5llen analysator, magnetisk bas, vibrationssensorer och spiralformade kablar.\" 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\/sv\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/sv\/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 (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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\u00e4gg till i varukorgen: \u201dBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Balanset-4&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/magnet-stand\/\" title=\"Magnetiskt 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=\"Magnetf\u00e4ste.\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/magnet-stand\/\" title=\"Magnetiskt stativ Insize-60-kgf\">Magnetiskt 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 (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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\u00e4gg till i varukorgen: \u201dMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Magnetic Stand Insize-60-kgf&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/reflective-tape\/\" title=\"Reflekterande tejp\">\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=\"Reflekterande tejp\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/reflective-tape\/\" title=\"Reflekterande tejp\">Reflekterande tejp<\/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 (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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\u00e4gg till i varukorgen: \u201dReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Reflective tape&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balanserare &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-kit, inneh\u00e5ll med gr\u00e4nssnittsenhet, givare, varvr\u00e4knare och tillbeh\u00f6r\" 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\/sv\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/sv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balanserare &quot;Balanset-1A&quot; OEM\">Dynamisk balanserare \"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 (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20649?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\u00e4gg till i varukorgen: \u201dDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Dynamic balancer \u201cBalanset-1A\u201d OEM&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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>Defekter i rullelement<\/strong> \u00e4r skador, defekter eller brister i kulorna eller rullarna i ett rullningslager. Dessa omfattar ytavskalningar, sprickor, inb\u00e4ddade f\u00f6roreningar, materialinneslutningar, korrosion och geometriska avvikelser. N\u00e4r en skadad kula eller rulle roterar genom lagret sl\u00e5r den mot b\u00e5de den inre och den yttre l\u00f6pbanan, vilket ger upphov till <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/vibration\/\">vibrationer<\/a> vid <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/bsf\/\">kulans rotationsfrekvens (BSF)<\/a> med karakteristiska <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/sidebands\/\">sidband<\/a> spaced at the <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/ftf\/\">burfrekvens eller grundfrekvens (FTF)<\/a>. Defekter i rullelementen \u00e4r en av de fyra klassiska lokala <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/bearing-defects\/\">lagerdefekter<\/a>, tillsammans med inner- och ytterringsfel samt burfel.<\/p>\n<p>De \u00e4r mindre vanliga \u00e4n defekter i l\u00f6pbanan och st\u00e5r f\u00f6r ungef\u00e4r 10\u201315 % av lagerhaveri, men n\u00e4r de v\u00e4l uppst\u00e5r ger de upphov till ett karakteristiskt, ibland f\u00f6rvirrande m\u00f6nster och kan snabbt utvecklas till ett fullst\u00e4ndigt lagerhaveri. Eftersom felet roterar med lagerelementet i st\u00e4llet f\u00f6r att f\u00f6rbli stillast\u00e5ende i belastningszonen, uppvisar dess vibrationer ett annat beteende \u00e4n vid ett l\u00f6pbanfel \u2013 en egenhet som b\u00e5de utg\u00f6r en diagnostisk ledtr\u00e5d och ett st\u00e4ndigt \u00e5terkommande problem.<\/p>\n<h2>1. Definition: Vad \u00e4r defekter i rullelement?<\/h2>\n<p>Ett rullelement \u2013 kulan i ett kullager, cylindern, n\u00e5len eller den koniska rullen i ett rullager \u2013 \u00e4r den komponent som faktiskt b\u00e4r upp belastningen mellan de tv\u00e5 lagerbanorna medan den rullar. Dess yta \u00e4r en precisionsbearbetad, genomh\u00e4rdad yta av lagerst\u00e5l som m\u00e5ste f\u00f6rbli geometriskt perfekt f\u00f6r att kunna rulla smidigt. Varje skada p\u00e5 ytan, oavsett om den uppst\u00e5tt i st\u00e5lverket eller uppkommit under drift, blir en sp\u00e4nningsf\u00f6rst\u00e4rkare och en k\u00e4lla till st\u00f6tar.<\/p>\n<p>Varje g\u00e5ng defekten p\u00e5 elementet kommer i kontakt med en ring uppst\u00e5r en liten impuls. Under en fullst\u00e4ndig varvning av buren kommer elementet i kontakt med den yttre ringen en g\u00e5ng och den inre ringen en g\u00e5ng, s\u00e5 en enskild defekt tenderar att generera tv\u00e5 st\u00f6tar per elementvarv \u2014 vilket \u00e4r anledningen till att den andra harmoniska, 2\u00d7BSF, \u00e4r s\u00e5 framtr\u00e4dande i spektrumet. Repetitionsfrekvensen f\u00f6r dessa st\u00f6tar best\u00e4ms av lagrets geometri (kulans diameter, delningsdiameter, kontaktvinkel och antal element), vilket ger felet en ber\u00e4kningsbar signaturfrekvens som \u00e4r omissk\u00e4nnligt annorlunda \u00e4n <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/running-speed\/\">driftshastighet<\/a> or its <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/harmonics\/\">\u00f6vertoner<\/a>.<\/p>\n<h2>2. Typer av defekter i rullelement<\/h2>\n<h3>Surface spalls<\/h3>\n<p>Den vanligaste typen av defekt i rullelement. Utmattning vid rullkontakt leder till att en bit material lossnar fr\u00e5n ytan och l\u00e4mnar efter sig en krater eller grop. Avskalningarna \u00e4r vanligtvis 0,5\u20133 mm tv\u00e4rs \u00f6ver i b\u00f6rjan, men v\u00e4xer n\u00e4r h\u00e5lighetens vassa kanter sl\u00e5r mot l\u00f6pbanorna och lossar ytterligare material. Varje passage av avskalningen \u00f6ver en l\u00f6pbana ger en st\u00f6t som skapar vibrationer vid BSF och ofta en dominerande 2\u00d7BSF. (Se <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/spalling\/\">avflagning<\/a> f\u00f6r den bakomliggande utmattningsmekanismen.)<\/p>\n<h3>Sprickor<\/h3>\n<p>Sprickor uppst\u00e5r till f\u00f6ljd av \u00f6verbelastning, st\u00f6tskador eller utmattning och kan vara ytliga eller ligga under ytan. En spricka forts\u00e4tter att sprida sig tills en bit lossnar \u2013 d\u00e5 kallas den f\u00f6r en avskalning. Sprickor \u00e4r sv\u00e5ra att uppt\u00e4cka innan detta sker, och i allvarliga fall kan en kula spricka och splittras, vilket leder till ett pl\u00f6tsligt och katastrofalt haveri.<\/p>\n<h3>Materialinneslutningar<\/h3>\n<p>Ett tillverkningsfel: fr\u00e4mmande material eller ett h\u00e5lrum som f\u00e5ngats i lagerst\u00e5let. Inneslutningar skapar en sp\u00e4nningskoncentration som initierar f\u00f6rtida utmattning och g\u00e5r vanligtvis inte att uppt\u00e4cka f\u00f6rr\u00e4n avskalning utvecklas runt inneslutningen. Rent lagerst\u00e5l av h\u00f6g kvalitet \u00e4r det enda verkliga skyddet.<\/p>\n<h3>Inb\u00e4ddad f\u00f6rorening<\/h3>\n<p>H\u00e5rda partiklar \u2013 smuts, slipkorn, metallsp\u00e5n \u2013 som pressas in i elementets yta bildar en upph\u00f6jd kn\u00f6l som sl\u00e5r mot rullbanorna vid varje varv. F\u00f6rdjupningen fungerar dessutom som en sp\u00e4nningskoncentrator som kan leda till att en flisa lossnar. Resultatet blir st\u00f6tvibrationer vid BSF, och den bakomliggande orsaken \u00e4r n\u00e4stan alltid bristf\u00e4llig t\u00e4tning eller filtrering, samma h\u00e4ndelsef\u00f6rlopp som beskrivs under <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/bearing-lubrication\/\">lagersm\u00f6rjning<\/a> cleanliness.<\/p>\n<h3>Korrosion och fuktskador<\/h3>\n<p>Vattenintr\u00e4ngning eller kondens ger upphov till rostfl\u00e4ckar, <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/pitting\/\">gropfr\u00e4tning<\/a>, samt ytans oj\u00e4mnhet. Korroderade omr\u00e5den fungerar som utg\u00e5ngspunkter f\u00f6r utmattningsbrott. Korrekt t\u00e4tning och korrosionsskyddande sm\u00f6rjmedel f\u00f6rhindrar detta.<\/p>\n<h3>Brinellering och intryckningar<\/h3>\n<p>St\u00f6tbelastning \u2013 till exempel om lagret tappas, st\u00f6tar vid hantering eller statisk \u00f6verbelastning \u2013 l\u00e4mnar best\u00e5ende m\u00e4rken p\u00e5 elementets yta. Falsk brinellering kan ocks\u00e5 uppst\u00e5 till f\u00f6ljd av vibrationer n\u00e4r maskinen st\u00e5r stilla. Dessa m\u00e4rken ger upphov till st\u00f6tar och sp\u00e4nningskoncentrationer; noggrann hantering och korrekt montering \u00e4r l\u00f6sningen.<\/p>\n<h2>3. Vibrationssignaturen<\/h2>\n<h3>Frekvenssammans\u00e4ttning<\/h3>\n<p>Defekter i rullelementen ger upphov till ett tydligt m\u00f6nster i <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/spectrum\/\">vibrationsspektrum<\/a>:<\/p>\n<ul>\n<li><strong>Huvudfrekvens:<\/strong> BSF, vanligtvis 2\u20133\u00d7 varvtalet.<\/li>\n<li><strong>Stark andra \u00f6verton:<\/strong> 2\u00d7BSF \u00e4r ofta st\u00f6rre \u00e4n grundfrekvensen, eftersom defekten sl\u00e5r mot b\u00e5da l\u00f6pbanorna under varje elementvarv.<\/li>\n<li><strong>Avst\u00e5nd mellan sidband:<\/strong> FTF (burfrekvens) sidband \u2014 <em>inte<\/em> 1\u00d7 sidband. Detta \u00e4r det avg\u00f6rande k\u00e4nnetecknet som skiljer det fr\u00e5n ett fel i innerbanan.<\/li>\n<li><strong>M\u00f6nster:<\/strong> BSF \u00b1 FTF, BSF \u00b1 2\u00d7FTF och s\u00e5 vidare, vilket bildar ett \u201dstaket\u201d av toppar med avst\u00e5nd motsvarande burfrekvensen.<\/li>\n<\/ul>\n<p>Eftersom st\u00f6tarna \u00e4r kortvariga och h\u00f6gfrekventa d\u00f6ljs de oftast i r\u00e5spektrumet och framtr\u00e4der tydligt f\u00f6rst efter demodulering. <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/envelope-analysis\/\">Enveloppanalys<\/a> likriktar och bandpassfiltrerar signalen f\u00f6r att tydligg\u00f6ra repetitionsfrekvensen, och det resulterande <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/envelope-spectrum\/\">enveloppspektrum<\/a> \u00e4r d\u00e4r BSF\/FTF-familjen \u00e4r som mest framtr\u00e4dande. De n\u00e4ra besl\u00e4ktade <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/bearing-fault-frequencies\/\">lagerfelfrekvenser<\/a> f\u00f6r innerring, ytterring och bur kompletterar den diagnostiska verktygsl\u00e5dan.<\/p>\n<h3>Att skilja mellan de fyra olika typerna av lagerfel<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>S\u00e4rdrag<\/th>\n<th>Ytterring (<a href=\"https:\/\/vibromera.eu\/sv\/glossary\/bpfo\/\">BPFO<\/a>)<\/th>\n<th>Innerring (<a href=\"https:\/\/vibromera.eu\/sv\/glossary\/bpfi\/\">BPFI<\/a>)<\/th>\n<th>Rullande element (BSF)<\/th>\n<\/tr>\n<tr>\n<td>Huvudfrekvens<\/td>\n<td>BPFO (3\u20135\u00d7)<\/td>\n<td>BPFI (5\u20137\u00d7)<\/td>\n<td>BSF (2\u20133\u00d7)<\/td>\n<\/tr>\n<tr>\n<td>Sidbandsavst\u00e5nd<\/td>\n<td>Ingen eller minimal<\/td>\n<td>\u00b11\u00d7 (axelhastighet)<\/td>\n<td>\u00b1FTF (burhastighet)<\/td>\n<\/tr>\n<tr>\n<td>Amplitudstabilitet<\/td>\n<td>Relativt stabil<\/td>\n<td>Stabil<\/td>\n<td>Variabel (beror p\u00e5 kulans position)<\/td>\n<\/tr>\n<tr>\n<td>F\u00f6rekomst<\/td>\n<td>Vanligast (~40%)<\/td>\n<td>Vanlig (~35%)<\/td>\n<td>Minst vanliga (~10\u201315 %)<\/td>\n<\/tr>\n<\/table>\n<h3>Variationer i amplitud<\/h3>\n<p>Ett k\u00e4nnetecken f\u00f6r kuldefekter \u00e4r att den uppm\u00e4tta amplituden varierar mellan m\u00e4tningarna:<\/p>\n<ul>\n<li>N\u00e4r det defekta elementet rullar genom belastningszonen blir st\u00f6tarna kraftiga och amplituden h\u00f6g.<\/li>\n<li>N\u00e4r samma element befinner sig p\u00e5 den avlastade sidan av lagret blir kontakten l\u00e4ttare och amplituden minskar.<\/li>\n<li>Denna modulering styrs av burfrekvensen (d\u00e4rav FTF-sidbanden) och kan g\u00f6ra enkla <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/trending\/\">trendning<\/a> oj\u00e4mn \u2014 men just det faktum att niv\u00e5n varierar upp och ner \u00e4r i sig ett tecken p\u00e5 ett fel i rullningselementen.<\/li>\n<\/ul>\n<h2>4. F\u00f6rlopp och konsekvenser<\/h2>\n<h3>Defektutveckling<\/h3>\n<ol>\n<li><strong>Initiering:<\/strong> en liten ytspricka eller en inneslutning under ytan.<\/li>\n<li><strong>Micro-spall:<\/strong> en liten bit material lossnar.<\/li>\n<li><strong>Spall growth:<\/strong> Slag mot fliskanterna g\u00f6r att skadan sprider sig.<\/li>\n<li><strong>Flera urspj\u00e4lkningar:<\/strong> R\u00f6rliga partiklar sliter p\u00e5 ytan och orsakar ytterligare skador.<\/li>\n<li><strong>Kulfragmentering:<\/strong> I sv\u00e5ra fall spricker en hel kula och g\u00e5r s\u00f6nder.<\/li>\n<li><strong>Totalt haveri:<\/strong> lagret f\u00f6rlorar sin lastb\u00e4rande f\u00f6rm\u00e5ga och sk\u00e4r ofta.<\/li>\n<\/ol>\n<h3>F\u00f6ljdskador<\/h3>\n<ul>\n<li><strong>L\u00f6pbanskada:<\/strong> Det defekta elementet skadar b\u00e5de den inre och den yttre ringbanan.<\/li>\n<li><strong>Cirkulation av partiklar:<\/strong> Avskalat material orsakar trepartsslitage i hela lagret.<\/li>\n<li><strong>Skador p\u00e5 buren:<\/strong> Ett uppruggat element sliter p\u00e5 burfickorna.<\/li>\n<li><strong>Snabb f\u00f6rs\u00e4mring:<\/strong> S\u00e5 snart en komponent g\u00e5r s\u00f6nder f\u00f6ljer de andra snabbt efter, vilket inneb\u00e4r att tidsf\u00f6nstret mellan uppt\u00e4ckt fel och totalhaveri \u00e4r kort.<\/li>\n<\/ul>\n<h2>5. Vanliga orsaker<\/h2>\n<h3>Tillverknings- och materialfel<\/h3>\n<ul>\n<li>Inre inneslutningar eller h\u00e5lrum i materialet.<\/li>\n<li>Felaktig v\u00e4rmebehandling som leder till otillr\u00e4cklig eller oj\u00e4mn h\u00e5rdhet.<\/li>\n<li>Ytfel.<\/li>\n<li>Geometriska avvikelser, till exempel kulor som inte \u00e4r helt runda.<\/li>\n<\/ul>\n<h3>Skador vid installation<\/h3>\n<ul>\n<li>P\u00e5verkan vid hantering \u2013 att lagret tappas eller uts\u00e4tts f\u00f6r st\u00f6tar.<\/li>\n<li>Brinelling till f\u00f6ljd av statisk \u00f6verbelastning, eller falsk brinelling till f\u00f6ljd av vibrationer i stillast\u00e5ende l\u00e4ge.<\/li>\n<li>F\u00f6roreningar som uppst\u00e5r vid monteringen, vilket g\u00f6r att partiklar fastnar i ytan.<\/li>\n<\/ul>\n<h3>Driftsf\u00f6rh\u00e5llanden<\/h3>\n<ul>\n<li>Otillr\u00e4cklig sm\u00f6rjning som orsakar ytskador och mikrosvetsning.<\/li>\n<li>\u00d6verbelastning som p\u00e5skyndar utmattning vid rullkontakt.<\/li>\n<li>Str\u00f6mmar som oavsiktligt passerar genom lagret och orsakar r\u00e4ffling och gropfr\u00e4tning.<\/li>\n<li>Korrosiva milj\u00f6er som angriper elementens ytor.<\/li>\n<li>F\u00f6roreningar i form av h\u00e5rda partiklar som orsakar f\u00f6rdjupningar.<\/li>\n<\/ul>\n<h2>6. Uppt\u00e4ckt, diagnos och korrigerande \u00e5tg\u00e4rder<\/h2>\n<h3>Vibrationsanalys<\/h3>\n<ul>\n<li>Ber\u00e4kna BSF och FTF f\u00f6r den specifika lagergeometrin \u2014 a <a href=\"https:\/\/vibromera.eu\/sv\/calculators\/bearing-defect-frequencies\/\">Kalkylator f\u00f6r lagerfelfrekvens<\/a> omvandlar axelhastighet och lagerdimensioner direkt till BPFO, BPFI, BSF och FTF.<\/li>\n<li>S\u00f6k efter BSF-toppen i omslutningsspektrumet.<\/li>\n<li>Kontrollera FTF-sidbandsm\u00f6nstret \u2013 det absolut mest tillf\u00f6rlitliga tecknet p\u00e5 ett fel i rullningselementen.<\/li>\n<li>Kontrollera 2\u00d7BSF, vars amplitud ofta \u00f6verstiger grundtonen.<\/li>\n<li>G\u00f6r flera m\u00e4tningar; den f\u00f6rv\u00e4ntade variationen i amplituden \u00e4r i sig en bekr\u00e4ftelse.<\/li>\n<\/ul>\n<p>I f\u00e4lt \u00e4r just denna sekvens \u2013 att m\u00e4ta bredbandsniv\u00e5n, registrera spektrumet och utf\u00f6ra omslutningsanalys \u2013 precis den typ av lagerdiagnostik som en b\u00e4rbar tv\u00e5kanalsanalysator \u00e4r konstruerad f\u00f6r. Den <a href=\"https:\/\/vibromera.eu\/sv\/produkt\/balanset-1\/\">Balanset-1A<\/a> registrerar FFT-spektrumet och tidsv\u00e5gformen fr\u00e5n maskinens egna lagerhus vid driftshastighet, s\u00e5 att en analytiker kan identifiera BSF-familjen och dess FTF-sidband p\u00e5 plats utan att beh\u00f6va demontera maskinen, och d\u00e4refter klassificera skadan med ett verktyg som till exempel <a href=\"https:\/\/vibromera.eu\/sv\/calculators\/bearing-damage-classifier\/\">Klassificering av skador p\u00e5 lager (ISO 15243)<\/a>. Med samma instrument kan du ocks\u00e5 bekr\u00e4fta att lagerfelet \u00e4r verkligt och inte bara en strukturell artefakt innan du best\u00e4mmer dig f\u00f6r att byta ut lagret.<\/p>\n<h3>Fysisk besiktning<\/h3>\n<ul>\n<li>Demontera lagret och kontrollera varje kula eller rulle f\u00f6r sig.<\/li>\n<li>Leta efter sprickor, spruckna material, korrosion<\/li>\n<li>K\u00e4nn efter ytans struktur \u2013 sl\u00e4ta eller korniga delar.<\/li>\n<li>Kontrollera den geometriska noggrannheten (orundhet).<\/li>\n<li>Fotografera alla fel f\u00f6r underh\u00e5llsjournalen.<\/li>\n<\/ul>\n<h3>Korrigerande \u00e5tg\u00e4rder och grundorsak<\/h3>\n<p>Den omedelbara \u00e5tg\u00e4rden \u00e4r att \u00f6ka \u00f6vervakningsfrekvensen i enlighet med <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/defect-severity\/\">defektets allvarlighetsgrad<\/a>, planera ett lagerbyte och kontrollera l\u00f6pbanorna f\u00f6r eventuella f\u00f6ljdskador. En varaktig l\u00f6sning kr\u00e4ver en analys av grundorsaken: granska valet av lager och dess dimensionering, kontrollera att sm\u00f6rjningen \u00e4r tillr\u00e4cklig, sp\u00e5ra k\u00e4llor till f\u00f6roreningar, granska monteringsrutinerna och \u00f6verv\u00e4g att uppgradera lagerspecifikationen om felet uppstod i f\u00f6rtid. Att anv\u00e4nda dessa resultat i ett strukturerat <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/condition-monitoring\/\">tillst\u00e5nds\u00f6vervakning<\/a> program \u00e4r det som f\u00f6rvandlar ett enstaka haveri till ett f\u00f6rebyggt haveri.<\/p>\n<p>Fel i rullningselement, \u00e4ven om de \u00e4r mindre vanliga \u00e4n fel i l\u00f6pbanor, kr\u00e4ver en tydlig f\u00f6rst\u00e5else f\u00f6r deras karakteristiska BSF-signatur med FTF-sidband f\u00f6r korrekt diagnos. Tidig uppt\u00e4ckt genom omslutningsanalys m\u00f6jligg\u00f6r planerat underh\u00e5ll l\u00e5ngt innan felet utvecklas till allvarliga lagerskador och eventuellt katastrofala haverier.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sv\/glossary\/\">\u2190 Tillbaka till huvudregistret<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e4r dig om defekter i rullelement i lager, skador p\u00e5 kulor eller rullar inklusive avflagningar, sprickor och materialfel, som kan detekteras via BSF-frekvens och FTF-sidband.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-20649","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/20649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/20649\/revisions"}],"predecessor-version":[{"id":101399,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/20649\/revisions\/101399"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/media?parent=20649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/categories?post=20649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/tags?post=20649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}