{"id":245,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/spalling\/"},"modified":"2026-05-23T22:54:09","modified_gmt":"2026-05-23T22:54:09","slug":"spalling","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/nb\/glossary\/spalling\/","title":{"rendered":"Hva er avskalling i rullelager?"},"content":{"rendered":"<h1>Forst\u00e5 avskalling i rullelagre<\/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\/nb\/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\/nb\/product\/balanset-1\/\" title=\"B\u00e6rbart balanseapparat og vibrasjonsanalysator 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 sett med b\u00e6rbart balanseapparat og vibrasjonsanalysator\" 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\/nb\/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\/nb\/product\/balanset-1\/\" title=\"B\u00e6rbart balanseapparat og vibrasjonsanalysator Balanset-1A\">B\u00e6rbart balanseapparat og vibrasjonsanalysator 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> + MVA (hvis aktuelt)<\/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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv: \u00abPortable balancer &amp; Vibration analyzer Balanset-1A\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abPortable balancer &amp; Vibration analyzer Balanset-1A\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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\/nb\/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\/nb\/product\/vibration-sensor\/\" title=\"Vibrasjonssensor\">\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 vibrasjonssensor i n\u00e6rbilde\" 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\/nb\/product-category\/parts\/\" rel=\"tag\">Deler<\/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\/nb\/product\/vibration-sensor\/\" title=\"Vibrasjonssensor\">Vibrasjonssensor<\/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> + MVA (hvis aktuelt)<\/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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv: \u00abVibration sensor\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abVibration sensor\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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\/nb\/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\/nb\/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\/nb\/product-category\/parts\/\" rel=\"tag\">Deler<\/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\/nb\/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> + MVA (hvis aktuelt)<\/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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv: \u00abOptical Sensor (Laser Tachometer)\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abOptical Sensor (Laser Tachometer)\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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\/nb\/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\/nb\/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 rotorbalanseringssett: b\u00e6reveske, flerkanals signalbehandler, h\u00e5ndholdt analysator, magnetisk base, vibrasjonssensorer 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\/nb\/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\/nb\/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> + MVA (hvis aktuelt)<\/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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv: \u00abBalanset-4\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abBalanset-4\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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\/nb\/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\/nb\/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=\"Magnetisk base.\" 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\/nb\/product-category\/parts\/\" rel=\"tag\">Deler<\/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\/nb\/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> + MVA (hvis aktuelt)<\/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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv: \u00abMagnetic Stand Insize-60-kgf\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abMagnetic Stand Insize-60-kgf\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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\/nb\/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\/nb\/product\/reflective-tape\/\" title=\"Refleksb\u00e5nd\">\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=\"Refleksb\u00e5nd\" 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\/nb\/product-category\/parts\/\" rel=\"tag\">Deler<\/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\/nb\/product\/reflective-tape\/\" title=\"Refleksb\u00e5nd\">Refleksb\u00e5nd<\/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> + MVA (hvis aktuelt)<\/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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" class=\"fas fa-cart-plus\" 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href=\"https:\/\/vibromera.eu\/nb\/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\/nb\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balanseringsapparat &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-settet inneholder grensesnittenhet, sensorer, turteller 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\/nb\/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\/nb\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balanseringsapparat &quot;Balanset-1A&quot; OEM\">Dynamisk balanseringsapparat \"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> + MVA (hvis aktuelt)<\/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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/wp-json\/wp\/v2\/glossary\/245?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=\"Legg i handlekurv: \u00abDynamic balancer \u201cBalanset-1A\u201d OEM\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abDynamic balancer \u201cBalanset-1A\u201d OEM\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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>Avskalling<\/strong> \u2014 ogs\u00e5 kalt avskalling, flisning eller gropdannelse n\u00e5r det er sm\u00e5 \u2014 er lokal avskalling, avflisning eller brudd p\u00e5 materialet p\u00e5 overflaten av et lagers l\u00f8pebaner eller rullende elementer, for\u00e5rsaket av utmattingsskader ved rullende kontakt. En avskalling fremst\u00e5r som en krater eller grop der en flis av herdet st\u00e5l har brutt av, og etterlatt en ru fordypning med skarpe kanter. Hver gang en kule eller rulle ruller over dette krateret, ut\u00f8ver den en liten mekanisk p\u00e5virkning, og disse gjentatte p\u00e5virkningene forplanter seg <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/vibration\/\">vibrasjon<\/a> p\u00e5 forutsigbar <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bearing-fault-frequencies\/\">frekvenser av lagerfeil<\/a> \u2014 det kjennetegnet som gj\u00f8r at en analytiker kan oppdage feilen lenge f\u00f8r lageret g\u00e5r i stykker.<\/p>\n<p>Avskalling er det vanligste og, p\u00e5 en m\u00e5te, det mest <em>normal<\/em> feilmodus for lager: dette representerer den naturlige avslutningen p\u00e5 et lagers utmattingslevetid. Det skiller seg fra <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bearing-wear\/\">slitasje<\/a> (gradvis, spredt materialtap) og fra korrosjonsfor\u00e5rsaket <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/pitting\/\">gropdannelse<\/a>. Det avgj\u00f8rende er at avskalling kan oppdages gjennom <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/vibration-analysis\/\">vibrasjonsanalyse<\/a> m\u00e5neder f\u00f8r lageret g\u00e5r helt i stykker, noe som gj\u00f8r det til et sentralt m\u00e5l for alle <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/predictive-maintenance\/\">prediktivt vedlikehold<\/a> program.<\/p>\n<h2>1. Den fysiske mekanismen bak avskalling<\/h2>\n<h3>Utmattingsskader ved rullende kontakt<\/h3>\n<p>Avskalling er ikke en plutselig hendelse, men det synlige h\u00f8ydepunktet i en lang utmattelsesprosess:<\/p>\n<ol>\n<li><strong>Syklisk belastning:<\/strong> Hver gang et rullende element passerer, p\u00e5f\u00f8rer det l\u00f8pebanen en hertzisk kontaktspenning, vanligvis <strong>1000-3000 MPa<\/strong>, konsentrert p\u00e5 et kontaktomr\u00e5de som er mindre enn et riskorn.<\/li>\n<li><strong>Skj\u00e6rspenning i undergrunnen:<\/strong> Den st\u00f8rste vekslende skj\u00e6rspenningen oppst\u00e5r ikke p\u00e5 overflaten, men litt under den, vanligvis <strong>0,2-0,5 mm<\/strong> dypt.<\/li>\n<li><strong>Oppst\u00e5else av sprekker:<\/strong> Etter millioner \u2013 ofte milliarder \u2013 av spenningssykluser oppst\u00e5r det en mikroskopisk sprekk ved en spenningskonsentrasjon under overflaten, ofte ved en ikke-metallisk inneslutning i st\u00e5let.<\/li>\n<li><strong>Sprekkutvikling:<\/strong> Sprekken vokser parallelt med overflaten, og forgrener seg deretter b\u00e5de mot overflaten og dypere inn i materialet.<\/li>\n<li><strong>Materialsortering:<\/strong> sprekknettet isolerer til slutt en st\u00e5lklump.<\/li>\n<li><strong>Dannelse av avskalling:<\/strong> at det isolerte materialet l\u00f8sner og etterlater seg den karakteristiske krateren.<\/li>\n<\/ol>\n<p>Siden skaden oppst\u00e5r under overflaten, kan et lager v\u00e6re bare noen dager unna \u00e5 utvikle synlige avskallinger, selv om l\u00f8pebanene fremdeles ser speilblanke ut for det blotte \u00f8ye \u2013 og det er nettopp derfor utmattingsskader under overflaten ikke kan oppdages ved visuell inspeksjon, men kan registreres av en vibrasjonssensor.<\/p>\n<h3>Typiske spaltningskarakteristika<\/h3>\n<ul>\n<li><strong>St\u00f8rrelse:<\/strong> I utgangspunktet 1\u20135 mm i diameter, vokser til 10\u201320 mm eller mer.<\/li>\n<li><strong>Dybde:<\/strong> 0,2\u20132 mm inn i det herdede laget.<\/li>\n<li><strong>Form:<\/strong> et uregelmessig krater med ujevn bunn og skarpe kanter.<\/li>\n<li><strong>Sted:<\/strong> oftest p\u00e5 den ytre l\u00f8pebanen innenfor belastningssonen.<\/li>\n<li><strong>Utseende:<\/strong> lys, skarp og metallisk i begynnelsen, men blir m\u00f8rkere etter hvert som prosessen fortsetter.<\/li>\n<\/ul>\n<h2>2. \u00c5rsaker og medvirkende faktorer<\/h2>\n<h3>Normal utmattingslevetid<\/h3>\n<ul>\n<li>Hvert lager har en begrenset utmattingslevetid \u2014 <strong>L10 liv<\/strong>, det punktet hvor 90 % av en populasjon forventes \u00e5 overleve.<\/li>\n<li>Avskalling er den forventede sluttfasen i materialets levetid; at dette skjer ved eller etter den beregnede L10-levetiden, er ikke en feil, men et tegn p\u00e5 vellykket konstruksjon.<\/li>\n<li>Et godt valg av lagre sikrer at L10-levetiden klart overstiger den n\u00f8dvendige levetiden. Du kan beregne denne levetiden ut fra belastning og hastighet ved hjelp av v\u00e5r <a href=\"https:\/\/vibromera.eu\/nb\/calculators\/bearing-load\/\">Kalkulator for levetid for lager L10 (ISO 281)<\/a>.<\/li>\n<\/ul>\n<h3>For tidlig avskalling<\/h3>\n<p>N\u00e5r det oppst\u00e5r avskalling lenge f\u00f8r L10-levetiden er n\u00e5dd, er det nesten alltid en ytre \u00e5rsak som ligger bak:<\/p>\n<ul>\n<li><strong>Overbelastning:<\/strong> Levetiden avtar med lastens kubikk (Levetid \u221d 1\/Last\u00b3), s\u00e5 selv en beskjeden overbelastning reduserer levetiden betydelig.<\/li>\n<li><strong>D\u00e5rlig sm\u00f8ring:<\/strong> En utilstrekkelig film lar ujevnheter komme i kontakt med hverandre, noe som \u00f8ker spenningen i overflaten.<\/li>\n<li><strong>Forurensning:<\/strong> Harde partikler lager bulker i l\u00f8pebanen og danner spenningskonsentrasjoner som f\u00f8rer til sprekker.<\/li>\n<li><strong>Feiljustering:<\/strong> Kantbelastning f\u00f8rer til at spenningen konsentreres i den ene enden av kontaktflaten.<\/li>\n<li><strong>Feil installasjon:<\/strong> Skader p\u00e5 monteringen f\u00f8rer til tidlige feil.<\/li>\n<li><strong>Korrosjon:<\/strong> Overflategroper fungerer som ferdige steder hvor sprekker kan oppst\u00e5.<\/li>\n<li><strong>Materielle mangler:<\/strong> innleiringer i lagerst\u00e5let.<\/li>\n<\/ul>\n<p>En faktor som ofte overses, er den dynamiske belastningen som skyldes d\u00e5rlig rotorbalansering: rest <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/unbalance\/\">ubalanse<\/a> legger en roterende kraft til den statiske lagerbelastningen, og p\u00e5 grunn av dette kubiske forholdet kan selv en liten \u00f8kning i den dynamiske belastningen redusere utmattingslevetiden dramatisk. \u00c5 s\u00f8rge for at rotorene er godt balansert er derfor et reelt tiltak for \u00e5 forlenge lagrenes levetid, ikke bare et sp\u00f8rsm\u00e5l om vibrasjonskomfort.<\/p>\n<h2>3. Vibrasjonsdeteksjon etter alvorlighetsgrad<\/h2>\n<p>Den store fordelen med avskalling, sett fra et diagnostisk perspektiv, er at tilstanden viser seg tidlig og utvikler seg i et gjenkjennelig forl\u00f8p. P\u00e5visning avhenger i stor grad av <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/envelope-analysis\/\">konvoluttanalyse<\/a>, som demodulerer h\u00f8yfrekvente st\u00f8tringer for \u00e5 avdekke den underliggende feilfrekvensen.<\/p>\n<h3>Tidlig stadium (mikrospall)<\/h3>\n<ul>\n<li>Avskalling med en diameter p\u00e5 under 1\u20132 mm.<\/li>\n<li>Sm\u00e5 topper ved de karakteristiske forkastningsfrekvensene i <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/envelope-spectrum\/\">konvoluttspektrum<\/a>.<\/li>\n<li>Ofte usynlig i standardutf\u00f8relsen <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/fft\/\">FFT<\/a> spektrum.<\/li>\n<li>Amplitude p\u00e5 konvolutten: omtrent 0,5\u20132 g.<\/li>\n<li>Gjenv\u00e6rende levetid: vanligvis 6\u201318 m\u00e5neder.<\/li>\n<\/ul>\n<h3>Moderat stadium<\/h3>\n<ul>\n<li>Spall med en diameter p\u00e5 2\u201310 mm.<\/li>\n<li>Tydelige topper i feilfrekvensen b\u00e5de i FFT-spektrumet og i hylspektrumet.<\/li>\n<li>To til tre <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/harmonics\/\">harmoniske<\/a> av feilfrekvensen som er synlig.<\/li>\n<li>Begynnelsen av <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/sidebands\/\">sideb\u00e5nd<\/a> formasjoner rundt fjelltoppene.<\/li>\n<li>Amplitude: ca. 2\u201310 g.<\/li>\n<li>Gjenv\u00e6rende levetid: 2\u20136 m\u00e5neder.<\/li>\n<\/ul>\n<h3>Avansert stadium<\/h3>\n<ul>\n<li>Avskalling st\u00f8rre enn 10 mm, muligens flere avskallinger.<\/li>\n<li>Toppverdier i feilfrekvensen med sv\u00e6rt stor amplitude.<\/li>\n<li>Mange overtoner, fra fire til \u00e5tte eller flere.<\/li>\n<li>En kompleks sideb\u00e5ndsstruktur.<\/li>\n<li>Et h\u00f8yt st\u00f8yniv\u00e5.<\/li>\n<li>Amplitude: over 10 g.<\/li>\n<li>Gjenv\u00e6rende levetid: dager til uker.<\/li>\n<\/ul>\n<h3>Alvorlig \/ kritisk fase<\/h3>\n<ul>\n<li>Omfattende avskalling med flere skader.<\/li>\n<li>Bredb\u00e5ndsst\u00f8y begynner \u00e5 dominere frekvensspekteret.<\/li>\n<li>De enkelte feilfrekvensene blir overskygget av denne st\u00f8yen.<\/li>\n<li>Sv\u00e6rt h\u00f8y totalvibrasjon, h\u00f8rbar lagerst\u00f8y og stigende temperatur.<\/li>\n<li>Det er fare for svikt \u2014 umiddelbar utskifting er n\u00f8dvendig.<\/li>\n<\/ul>\n<p>For \u00e5 kunne sette dette ut i praksis m\u00e5 du kjenne de n\u00f8yaktige frekvensene du skal se etter. Disse avhenger av lagerets geometri og akselhastigheten, s\u00e5 beregne dem p\u00e5 forh\u00e5nd ved hjelp av <a href=\"https:\/\/vibromera.eu\/nb\/calculators\/bearing-defect-frequencies\/\">Kalkulator for lagerfeilfrekvens<\/a> - den resulterende <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bpfo\/\">BPFO<\/a>, <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bpfi\/\">BPFI<\/a>, <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bsf\/\">BSF<\/a> og <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/ftf\/\">FTF<\/a> verdiene angir n\u00f8yaktig hvor p\u00e5 spektrumet en spall p\u00e5 hver komponent vil vises.<\/p>\n<h2>4. Spredning og sekund\u00e6r skade<\/h2>\n<h3>Spallvekst<\/h3>\n<p>N\u00e5r en avskalling f\u00f8rst har dannet seg, vokser den gradvis, og veksten har en tendens til \u00e5 v\u00e6re eksponentiell snarere enn line\u00e6r:<\/p>\n<ul>\n<li>Slagbelastning ved avskallingskantene f\u00f8rer til lokalt h\u00f8ye spenninger.<\/li>\n<li>Det tilst\u00f8tende materialet slites raskere enn nytt l\u00f8pebane.<\/li>\n<li>Sprekket utvider seg utover og dypere for hver omdreining.<\/li>\n<li>En liten avskalling kan utvikle seg til en stor i l\u00f8pet av f\u00e5 uker n\u00e5r prosessen f\u00f8rst har kommet i gang.<\/li>\n<\/ul>\n<h3>F\u00f8lgeskader<\/h3>\n<p>Avskalling f\u00f8rer ogs\u00e5 til at det oppst\u00e5r avfall som utl\u00f8ser en kjedereaksjon av skader:<\/p>\n<ul>\n<li><strong>Oppst\u00e5tt avfall:<\/strong> metallflak fra avskallingen sirkulerer i sm\u00f8remiddelet.<\/li>\n<li><strong>Tre-kropps-slitasje:<\/strong> at slikt avfall fungerer som et slipemiddel og lager riper i ellers intakte overflater.<\/li>\n<li><strong>Sekund\u00e6re avskallinger:<\/strong> Innebygde partikler lager bulker i den nye banen og danner nye avskallinger andre steder.<\/li>\n<li><strong>Rask forverring:<\/strong> N\u00e5r flere avskallinger forekommer samtidig, \u00f8ker risikoen for svikt kraftig.<\/li>\n<li><strong>Fullstendig fiasko:<\/strong> Lageret mister til slutt all b\u00e6reevne.<\/li>\n<\/ul>\n<h2>5. Tiltak og korrigerende tiltak<\/h2>\n<h3>Ved deteksjon<\/h3>\n<ol>\n<li><strong>Bekreft diagnosen:<\/strong> kontroller at den m\u00e5lte feilfrekvensen stemmer overens med lagerets geometri \u2014 ikke en tilfeldighet eller en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/harmonics\/\">harmonisk<\/a> av noe annet.<\/li>\n<li><strong>Vurder alvorlighetsgraden:<\/strong> Plasser feilen p\u00e5 skalaen ovenfor ved hjelp av amplitude og antall harmoniske.<\/li>\n<li><strong>\u00d8ke overv\u00e5kingen:<\/strong> Reduser intervallet fra m\u00e5nedlig til ukentlig eller daglig etter hvert som alvorlighetsgraden \u00f8ker.<\/li>\n<li><strong>Planlegg utskifting:<\/strong> planlegge utskiftningen til et passende tidspunkt <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/shutdown\/\">nedleggelse<\/a> vindu.<\/li>\n<li><strong>Skaff lageret:<\/strong> Bestill riktig modell og sjekk spesifikasjonene f\u00f8r str\u00f8mbruddet.<\/li>\n<\/ol>\n<h3>N\u00f8dindikatorer<\/h3>\n<p>Det er n\u00f8dvendig \u00e5 sl\u00e5 av maskinen umiddelbart dersom noe av f\u00f8lgende oppst\u00e5r:<\/p>\n<ul>\n<li>Vibrasjonsamplituden dobles p\u00e5 under en uke.<\/li>\n<li>Lagerets temperatur stiger raskt \u2014 med mer enn ca. 5 \u00b0C i l\u00f8pet av ett skift.<\/li>\n<li>H\u00f8rbar sliping, skriking eller ruhet fra lageret<\/li>\n<li>Det forekommer flere ulike lyder samtidig, noe som tyder p\u00e5 flere feil.<\/li>\n<li>Mangel p\u00e5 sm\u00f8remiddel eller synlig forurensning.<\/li>\n<\/ul>\n<h2>6. Forebygging gjennom utforming og vedlikehold<\/h2>\n<h3>Prosjekteringsfasen<\/h3>\n<ul>\n<li>Velg lagre med tilstrekkelig levetid (L10 b\u00f8r v\u00e6re betydelig lengre enn den n\u00f8dvendige levetiden).<\/li>\n<li>S\u00f8rg for et godt sm\u00f8resystem og effektiv tetning.<\/li>\n<li>S\u00f8rg for tilstrekkelig kj\u00f8ling i henhold til driftsforholdene.<\/li>\n<\/ul>\n<h3>Installasjonsfasen<\/h3>\n<ul>\n<li>F\u00f8lg retningslinjene for ren installasjon og bruk riktig monteringsutstyr for \u00e5 unng\u00e5 skader under monteringen.<\/li>\n<li>Kontroller at <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bearing-clearance\/\">lagerklaring<\/a>.<\/li>\n<li>Oppn\u00e5 presisjon <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/misalignment\/\">justering<\/a> for \u00e5 unng\u00e5 kantbelastning.<\/li>\n<\/ul>\n<h3>Driftsfasen<\/h3>\n<ul>\n<li>Gjennomf\u00f8r et vibrasjonsoverv\u00e5kingsprogram som omfatter amplitudekurveanalyse.<\/li>\n<li>F\u00f8lg et strengt sm\u00f8reprogram \u2013 med riktige intervaller, mengder og sm\u00f8remiddelkvalitet.<\/li>\n<li>Overv\u00e5k temperaturen.<\/li>\n<li>S\u00f8rg for at rotorene er godt balansert for \u00e5 minimere de dynamiske belastningene som forkorter utmattingslevetiden. En b\u00e6rbar tokanalsanalysator som for eksempel <a href=\"https:\/\/vibromera.eu\/nb\/produkt\/balanset-1\/\">Balanset-1A<\/a> gj\u00f8r det mulig for en tekniker b\u00e5de \u00e5 overv\u00e5ke spektrumet til et mistenkelig lager og, n\u00e5r \u00e5rsaken er ubalansert rotor, \u00e5 utbedre dette p\u00e5 stedet i maskinens egne lagre \u2013 og dermed fjerne den dynamiske belastningen som f\u00f8rte til at lageret begynte \u00e5 flise seg.<\/li>\n<\/ul>\n<p>Avskalling er det uunng\u00e5elige sluttresultatet av utmattingsskader i lagre, men det trenger ikke \u00e5 komme som en overraskelse. Gjennom riktig valg av lagre, korrekt montering, n\u00f8ye sm\u00f8ring og <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/condition-monitoring\/\">tilstandsoverv\u00e5king<\/a>, blir levetiden maksimert, og feilen oppdages tidlig nok til \u00e5 forhindre f\u00f8lgeskader og gj\u00f8re et uplanlagt havari om til en planlagt og kostnadseffektiv utskifting.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/nb\/glossary\/\">\u2190 Tilbake til hovedindeksen<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e6r om avskalling, avflassing av lageroverflatemateriale p\u00e5 grunn av utmatting, den prim\u00e6re feilm\u00e5ten i rullelagre som kan oppdages gjennom vibrasjonsanalyse.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-245","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/245\/revisions"}],"predecessor-version":[{"id":101410,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/245\/revisions\/101410"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/media?parent=245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/categories?post=245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/tags?post=245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}