{"id":150,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/journal-bearing\/"},"modified":"2026-05-23T22:51:58","modified_gmt":"2026-05-23T22:51:58","slug":"journal-bearing","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/nb\/glossary\/journal-bearing\/","title":{"rendered":"Hva er et journallager? Hydrodynamisk st\u00f8tte"},"content":{"rendered":"<h1>Forst\u00e5 journallagre<\/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\/150?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\/150?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\/150?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\/150?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\/150?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\/150?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\/150?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\/150?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 stativst\u00f8rrelse - 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 stativst\u00f8rrelse - 60 kgf\">Magnetisk stativst\u00f8rrelse - 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\/150?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\" 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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 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tape\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_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\/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\/150?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\/150?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>A <strong>journallager<\/strong> \u2014 ogs\u00e5 kalt glidelager, hylselager eller v\u00e6skelager \u2014 st\u00f8tter en roterende aksel p\u00e5 en tynn, trykksatt sm\u00f8refilm i stedet for p\u00e5 rullende elementer. Den roterende delen av akselen inne i lageret er <em>tidsskrift<\/em>; den holdes p\u00e5 avstand fra den faste lagereflaten av en hydrodynamisk oljefilm som akselen selv danner n\u00e5r den trekker sm\u00f8remiddel inn i et smalere, kileformet mellomrom. Denne trykksatte kilen b\u00e6rer hele <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor\/\">rotor<\/a> belastning uten metall-mot-metall-kontakt. Siden oljefilmen ogs\u00e5 gir god <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/damping\/\">demping<\/a>... glidelagre er det naturlige valget for maskiner som opererer med h\u00f8y hastighet og h\u00f8y belastning \u2013 turbiner, generatorer, store kompressorer \u2013 der kontroll av <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/vibration\/\">vibrasjon<\/a> og \u00e5 stabilisere rotoren er det viktigste.<\/p>\n<h2>1. Definisjon: Hva er et glidelager?<\/h2>\n<p>I et glidelager ber\u00f8rer ikke akselen selve lageret ved driftshastighet. I stedet flyter den, litt utenfor sentrum, p\u00e5 en sm\u00f8rekile som bare er noen titalls mikrometer tykk. Dette ene faktum skiller det fra et rullelager, som b\u00e6rer belastningen gjennom kuler eller ruller i hertzisk kontakt. Glidelagerets styrker kommer direkte fra oljefilmen: sv\u00e6rt h\u00f8y lastekapasitet, ekstremt lav friksjon n\u00e5r filmen er etablert, stille gang og dempingen som gj\u00f8r det mulig \u00e5 kj\u00f8re store rotorer jevnt gjennom og over deres <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/critical-speed\/\">kritiske hastigheter<\/a>. Oppf\u00f8rselen til akselen og lagrene i samspill unders\u00f8kes som en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor-bearing-system\/\">rotorlagersystem<\/a>, fordi ingen av dem kan forst\u00e5s isolert.<\/p>\n<h2>2. Funksjonsprinsipp: Hydrodynamisk sm\u00f8ring<\/h2>\n<h3>Hvordan oljefilmen dannes<\/h3>\n<p>Gledelageret er avhengig av hydrodynamisk sm\u00f8ring, som utvikler seg i en forutsigbar sekvens etter hvert som akselen kommer opp i hastighet:<\/p>\n<ol>\n<li><strong>F\u00f8rste kontakt:<\/strong> I hvile hviler akselen p\u00e5 bunnen av boringen under sin egen vekt, slik at metall ber\u00f8rer metall.<\/li>\n<li><strong>Rotasjonen starter:<\/strong> N\u00e5r akselen begynner \u00e5 rotere, trekkes sm\u00f8remiddelet inn i spalten p\u00e5 grunn av friksjonen.<\/li>\n<li><strong>Kileformasjon:<\/strong> Den konvergerende geometrien mellom aksel og boring presser oljen inn i et kileformet rom.<\/li>\n<li><strong>Trykkoppbygging:<\/strong> Oljen som presses inn i den smalere kilen, skaper et hydrodynamisk trykk.<\/li>\n<li><strong>Lift-off:<\/strong> N\u00e5r trykkraften overstiger akselens vekt, l\u00f8ftes akselb\u00f8ssingen fri og glir p\u00e5 en full sm\u00f8refilm.<\/li>\n<li><strong>Steady state:<\/strong> Akselen flyter p\u00e5 den trykksatte filmen og finner en likevektsposisjon som ligger litt utenfor boringssenteret, uten metallkontakt.<\/li>\n<\/ol>\n<p>Den posisjonen tidsskriftet inntar \u2013 dets eksentrisitet innenfor klaringsomr\u00e5det \u2013 er ikke fast. Den endrer seg med belastning og hastighet, og denne skiftende likevekten er \u00e5rsaken til lagerets komplekse dynamiske oppf\u00f8rsel som beskrives nedenfor.<\/p>\n<h3>Oljefilmtykkelse<\/h3>\n<ul>\n<li>Vanlig minimumsfilmtykkelse er <strong>10\u2013100 micrometres<\/strong> (0,0004\u20130,004 tommer) \u2014 ekstremt tynt, men likevel tykt nok til \u00e5 holde overflatene adskilt.<\/li>\n<li>Filmen er ikke jevn: den varierer rundt omkretsen og er tynnest p\u00e5 det punktet hvor akselen kommer n\u00e6rmest boringen.<\/li>\n<li>Tykkelsen avhenger av hastighet, belastning, sm\u00f8remidlets viskositet og <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bearing-clearance\/\">lagerklaring<\/a> \u2014 \u00d8ker man hastigheten eller viskositeten, blir filmen tykkere; \u00f8ker man belastningen, blir den tynnere.<\/li>\n<li>Siden viskositeten synker n\u00e5r oljen varmes opp, er filmtykkelsen ogs\u00e5 f\u00f8lsom for driftstemperaturen, og det er derfor oljetilf\u00f8rselstemperaturen overv\u00e5kes p\u00e5 store maskiner.<\/li>\n<\/ul>\n<h2>3. Typer av glidelagre<\/h2>\n<h3>Vanlig sylindrisk (full aksel)<\/h3>\n<ul>\n<li>Den enkleste utformingen: et glatt, sylindrisk hull med en oljetilf\u00f8rselsrille og en vinkel p\u00e5 hele 360\u00b0.<\/li>\n<li>God lastekapasitet, men den symmetriske filmen gj\u00f8r den utsatt for ustabilitet \u2014 <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/oil-whirl\/\">oljevirvel<\/a> \u2014 ved h\u00f8y hastighet og lett last.<\/li>\n<li>Vanlig i motorer, pumper og annet industrielt utstyr der hastighetene er moderate.<\/li>\n<\/ul>\n<h3>Delbue-lagre<\/h3>\n<ul>\n<li>L\u00f8peflaten dekker bare en del av omkretsen, vanligvis 120\u2013180\u00b0.<\/li>\n<li>Lettere og krever mindre oljestr\u00f8m, men har lavere stivhet enn en fullt utstyrt aksel.<\/li>\n<li>Egnet for applikasjoner med lav belastning der belastningsretningen er klart definert.<\/li>\n<\/ul>\n<h3>Vippelager<\/h3>\n<ul>\n<li>Overflaten er delt inn i flere uavhengige deler, som hver kan dreies fritt.<\/li>\n<li>Hver pad utvikler sin egen hydrodynamiske kile, som demper den tverrkoblingen som for\u00e5rsaker oljevirvler.<\/li>\n<li>De er iboende stabile mot virvel- og piskbevegelser og utgj\u00f8r bransjestandarden for h\u00f8yhastighets turbomaskineri.<\/li>\n<li>Dyrere og mer komplisert, men med betydelig bedre dynamiske egenskaper.<\/li>\n<\/ul>\n<h3>Trykk- og forskyvningslagre<\/h3>\n<ul>\n<li>Modifiserte sylindriske lagre med geometriske detaljer \u2013 spor, en trappetrinnsformet \u00abdemning\u00bb eller en forskj\u00f8vet (lemon-bore) deling \u2013 som er lagt til for \u00e5 forbedre stabiliteten.<\/li>\n<li>Disse funksjonene belaster bevisst filmen for \u00e5 \u00f8ke den effektive dempingen.<\/li>\n<li>De utgj\u00f8r et praktisk kompromiss mellom det enkle sylindriske lageret og den kostbare konstruksjonen med vippepute.<\/li>\n<\/ul>\n<p>Der selv et vippepute-lager ikke gir tilstrekkelig demping for en fleksibel rotor, kan konstrukt\u00f8rer legge til en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/squeeze-film-damper\/\">klemfilmdemper<\/a> i serie med lageret for \u00e5 avlede ekstra energi.<\/p>\n<h2>4. Dynamiske egenskaper<\/h2>\n<h3>Stivhet<\/h3>\n<p>Stivheten i lageret er ikke et enkelt tall, men et sett med hastighets- og belastningsavhengige koeffisienter:<\/p>\n<ul>\n<li><strong>Low speed:<\/strong> low <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/stiffness\/\">stivhet<\/a> \u2014 journalens posisjon endrer seg betydelig n\u00e5r belastningen varierer.<\/li>\n<li><strong>H\u00f8y hastighet:<\/strong> st\u00f8rre stivhet etter hvert som det hydrodynamiske trykkfeltet blir fullt utviklet.<\/li>\n<li><strong>Retningsavvik:<\/strong> Stivheten varierer i horisontal og vertikal retning, slik at lageret oppf\u00f8rer seg anisotropisk.<\/li>\n<li><strong>Tverrkoblet stivhet:<\/strong> En avb\u00f8yning i \u00e9n retning skaper en kraft vinkelrett p\u00e5 den. Denne krysskoblingen er nettopp den mekanismen som kan tilf\u00f8re energi til en roterende bane og utl\u00f8se <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor-instability\/\">rotorinstabilitet<\/a>.<\/li>\n<\/ul>\n<h3>Demping<\/h3>\n<p>Filmens store fortrinn er den roen den gir:<\/p>\n<ul>\n<li>Energi spres gjennom visk\u00f8s skj\u00e6rkraften i oljen n\u00e5r akselb\u00f8tten beveger seg innenfor spillet.<\/li>\n<li>Dempingen \u00f8ker med hastigheten og med oljens viskositet.<\/li>\n<li>Det er dette som begrenser vibrasjonsamplituden n\u00e5r rotoren passerer gjennom en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/critical-speed\/\">kritisk hastighet<\/a>.<\/li>\n<li>Tilstrekkelig demping er avgj\u00f8rende for \u00e5 hindre at selvforsterkede ustabiliteter vokser ukontrollert.<\/li>\n<\/ul>\n<h3>Hastighetsavhengighet<\/h3>\n<p>Siden b\u00e5de stivhet og demping endrer seg med hastigheten, gjelder det samme for alt som er avhengig av dem:<\/p>\n<ul>\n<li>Stivheten \u00f8ker med hastigheten.<\/li>\n<li>Dempingen \u00f8ker med hastigheten.<\/li>\n<li>Systemets <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/natural-frequency\/\">naturlige frekvenser<\/a> stige raskt.<\/li>\n<li>Kritiske hastigheter \u00f8ker derfor etter hvert som maskinen akselererer \u2014 en effekt som blir synlig p\u00e5 en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/campbell-diagram\/\">Campbell-diagrammet<\/a>.<\/li>\n<\/ul>\n<h2>5. Fordeler og begrensninger<\/h2>\n<p>Oljefilmen er \u00e5rsaken til b\u00e5de glidelagerets enest\u00e5ende styrker og dets spesielle krav.<\/p>\n<ul>\n<li><strong>H\u00f8y lastekapasitet:<\/strong> kan t\u00e5le sv\u00e6rt tunge rotorer som ville knuse et rullelager.<\/li>\n<li><strong>H\u00f8y hastighet:<\/strong> egnet for hastigheter opp til 50 000 o\/min og mer.<\/li>\n<li><strong>Lav friksjon ved h\u00f8y hastighet:<\/strong> N\u00e5r det hydrodynamiske laget er etablert, er friksjonskoeffisienten sv\u00e6rt lav (rundt 0,001\u20130,003).<\/li>\n<li><strong>Utmerket demping:<\/strong> demper vibrasjoner ved kritiske hastigheter og bidrar til \u00e5 stabilisere rotoren.<\/li>\n<li><strong>Stille drift:<\/strong> Ingen rullelager betyr ingen st\u00f8y fra rullelager.<\/li>\n<li><strong>St\u00f8tmotstand:<\/strong> Oljefilmen demper kortvarige belastninger og st\u00f8tbelastninger.<\/li>\n<li><strong>Long life:<\/strong> Siden det ikke er noen metallkontakt under drift, er slitasjen minimal, og det er mulig \u00e5 bruke den i flere ti\u00e5r.<\/li>\n<li><strong>Enkelt og grunnleggende design:<\/strong> Den enkle, sylindriske modellen er mekanisk enkel og \u00f8konomisk.<\/li>\n<\/ul>\n<p>I motsetning til dette st\u00e5r de praktiske utfordringene:<\/p>\n<ul>\n<li><strong>H\u00f8y startfriksjon:<\/strong> Det er ingen film i hvile, s\u00e5 maskinen m\u00e5 overvinne startmomentet og kortvarig slitasje p\u00e5 grunn av grensesm\u00f8ring ved hver oppstart.<\/li>\n<li><strong>N\u00f8dvendig sm\u00f8resystem:<\/strong> Det er avgj\u00f8rende med en kontinuerlig tilf\u00f8rsel av ren, kj\u00f8lig olje med riktig trykk; <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bearing-lubrication\/\">sm\u00f8ring av lagre<\/a> er ikke valgfritt, men sentralt i utformingen.<\/li>\n<li><strong>Risiko for virvler og piskeslag:<\/strong> Vanlige sylindriske lagre er utsatt for oljevirvler og, n\u00e6r det dobbelte av kritisk hastighet, for <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/shaft-whip\/\">skaftpisk<\/a>.<\/li>\n<li><strong>Lavere stivhet ved lave hastigheter:<\/strong> Den elastiske filmen gj\u00f8r at lageret oppf\u00f8rer seg mykere enn et rullelager ved lav hastighet, noe som gir en langsommere respons.<\/li>\n<li><strong>Temperaturf\u00f8lsomhet:<\/strong> systemet overv\u00e5ker oljetemperaturen ved \u00e5 m\u00e5le dens innvirkning p\u00e5 viskositeten.<\/li>\n<li><strong>F\u00f8lsomhet for forurensning:<\/strong> harde partikler kan ripe opp den myke babbitt-overflaten eller tette til oljekanalene.<\/li>\n<li><strong>Ingen aksial begrensning:<\/strong> Et glidelager holder akselen p\u00e5 plass kun i radial retning; aksiale belastninger krever et eget <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/thrust-bearing\/\">aksiallager<\/a>.<\/li>\n<\/ul>\n<h2>6. Der det benyttes glidelagre<\/h2>\n<p>Glijlager er standard der rotorene er store, roterer raskt eller begge deler:<\/p>\n<ul>\n<li><strong>Damp- og gassturbiner:<\/strong> kraftproduksjonsenheter p\u00e5 flere megawatt.<\/li>\n<li><strong>Store generatorer:<\/strong> synkrone generatorer i kraftverk.<\/li>\n<li><strong>Sentrifugalkompressorer:<\/strong> industrimaskiner for h\u00f8y hastighet og h\u00f8y belastning.<\/li>\n<li><strong>Store elektriske motorer:<\/strong> Motorer med en effekt p\u00e5 rundt 500 hk bruker dem ofte.<\/li>\n<li><strong>Marin fremdrift:<\/strong> propellaksel- og akterr\u00f8rslager.<\/li>\n<li><strong>Paper machines:<\/strong> de store rullene som f\u00f8rer banen.<\/li>\n<li><strong>Forbrenningsmotorer:<\/strong> Hoved- og veivstangslager.<\/li>\n<\/ul>\n<h2>7. Forholdet til rotordynamikk og feltbalansering<\/h2>\n<p>Siden stivheten og dempingen i stor grad bestemmer rotorens oppf\u00f8rsel, utgj\u00f8r glidelagrene kjernen i <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor-dynamics\/\">rotordynamikk<\/a>:<\/p>\n<ul>\n<li><strong>Plassering ved kritisk hastighet:<\/strong> lagerets stivhet og dempning bestemmer hvor de kritiske hastighetene oppst\u00e5r og hvor h\u00f8ye vibrasjonstoppene blir der.<\/li>\n<li><strong>Stabilitet:<\/strong> Lagertypen avgj\u00f8r i stor grad hvor utsatt systemet er for oljevirvler og akselvibrasjoner; de karakteristiske subsynkrone frekvensene som disse for\u00e5rsaker, kan beregnes ved hjelp av et spesialutviklet <a href=\"https:\/\/vibromera.eu\/nb\/calculators\/journal-bearing-frequencies\/\">Kalkulator for feilfrekvens i journal-lager<\/a>.<\/li>\n<li><strong>Frekvenskartlegging:<\/strong> Et Campbell-diagram viser hvordan egenfrekvensene endrer seg med hastigheten n\u00e5r lagerstivheten endres.<\/li>\n<li><strong>Avveiende svar:<\/strong> L\u00f8peegenskapene bestemmer <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/influence-coefficient\/\">p\u00e5virkningskoeffisienter<\/a> som bestemmer hvordan rotoren reagerer p\u00e5 en justeringsvekt.<\/li>\n<\/ul>\n<p>Det siste punktet er der lageret kommer inn i det daglige vedlikeholdet. N\u00e5r en turbin eller kompressor som g\u00e5r p\u00e5 glidelager viser en forh\u00f8yet 1\u00d7 <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/unbalance\/\">ubalanse<\/a> responsen er den stabilisert p\u00e5 stedet, i sine egne lagre, ved driftshastighet. En b\u00e6rbar tokanalsanalysator som for eksempel <a href=\"https:\/\/vibromera.eu\/nb\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u00e5ler den synkrone amplituden og <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/phase\/\">fase<\/a> ved hvert lager beregner den rotorens p\u00e5virkningskoeffisienter fra en pr\u00f8vekj\u00f8ring og beregner de n\u00f8dvendige korreksjonsvektene \u2013 og fanger dermed opp den virkelige responsen til det monterte rotor-lager-systemet, inkludert selve filmstivheten og dempingen som en balanseringsmaskin aldri ville kunne gjenskape. Resultatet, som er verifisert i henhold til den aktuelle balanseringsklassen i ISO 21940-11, gjenspeiler hvordan maskinen faktisk oppf\u00f8rer seg i drift.<\/p>\n<p>Gledelagre er en velutviklet og sofistikert teknologi som fortsatt er uerstattelig i kritisk h\u00f8ytytende maskineri. Deres unike kombinasjon av b\u00e6reevne, hastighetskapasitet og dempning rettferdiggj\u00f8r kompleksiteten i sm\u00f8ringen og den dynamiske oppf\u00f8rselen, og en praktisk forst\u00e5else av denne oppf\u00f8rselen er avgj\u00f8rende for alle som skal diagnostisere eller balansere store roterende maskiner.<\/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 aksellager, v\u00e6skefilmlagre som st\u00f8tter roterende aksler p\u00e5 en trykksatt oljekile, og gir h\u00f8y lastekapasitet og demping for roterende maskineri.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-150","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/150","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\/150\/revisions"}],"predecessor-version":[{"id":101389,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/150\/revisions\/101389"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/media?parent=150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/categories?post=150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/tags?post=150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}