{"id":251,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/squeeze-film-damper\/"},"modified":"2026-05-23T23:06:39","modified_gmt":"2026-05-23T23:06:39","slug":"squeeze-film-damper","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/nb\/glossary\/squeeze-film-damper\/","title":{"rendered":"Hva er en klemfilmdemper? Vibrasjonskontrollenhet"},"content":{"rendered":"<h1>Forst\u00e5 klemfilmdempere<\/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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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\/251?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 class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/nb\/wp-json\/wp\/v2\/glossary\/251?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\" 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\/251?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=\"Legg i handlekurv: \u00abReflective tape\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abReflective 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\/251?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\/251?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>klemfilmspjeld<\/strong> (SFD) er en passiv <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/damping\/\">demping<\/a> enhet som brukes i roterende maskiner for \u00e5 spre vibrasjonsenergi og kontrollere den <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/vibration\/\">vibrasjon<\/a> amplituder \u2014 s\u00e6rlig under passering gjennom <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/critical-speed\/\">kritiske hastigheter<\/a>. Den best\u00e5r av et tynt oljelag som holdes tilbake i et smalt, ringformet mellomrom som omgir et lagerhus. N\u00e5r lageret og dets tilknyttede <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor\/\">rotor<\/a> N\u00e5r den vibrerer, svinger huset innenfor dette spillet og klemmer oljefilmen; den visk\u00f8se motstanden mot \u00e5 bli klemt avgir energi og demper rotorsystemet uten \u00e5 tilf\u00f8re nevneverdig stivhet. Klemfilmdempere finnes i flymotorer, industrielle gassturbiner og annet h\u00f8yhastighetsutstyr der det er behov for ekstra demping for \u00e5 dempe resonans og forhindre <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor-instability\/\">rotorinstabiliteter<\/a>.<\/p>\n<h2>1. Det fysiske virkem\u00e5let<\/h2>\n<h3>Klembevegelsen<\/h3>\n<p>I motsetning til en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/journal-bearing\/\">journallager<\/a>, der oljefilmen b\u00e6rer en jevn radial belastning, virker en klemfilmdemper ved hjelp av syklisk sammenpressing av en film som ikke b\u00e6rer noen statisk belastning:<\/p>\n<ol>\n<li><strong>Vibrasjon i rotoren:<\/strong> En ubalansert eller p\u00e5 annen m\u00e5te opphisset rotor ut\u00f8ver svingende krefter p\u00e5 lageret.<\/li>\n<li><strong>Boligbevegelse:<\/strong> lagerhuset beveger seg i en bane eller svinger radialt innenfor demperens klaring.<\/li>\n<li><strong>Komprimering av oljefilm:<\/strong> N\u00e5r huset beveger seg innover, blir filmen presset sammen; n\u00e5r det beveger seg utover, utvider filmen seg.<\/li>\n<li><strong>Visk\u00f8s motstand:<\/strong> Oljen motst\u00e5r \u00e5 bli presset ut av spalten, og skaper dermed en dempningskraft som er proporsjonal med hastigheten.<\/li>\n<li><strong>Energidissipasjon:<\/strong> Vibrasjonsenergien omdannes til varme i oljen og f\u00f8res bort med tilf\u00f8rselsstr\u00f8mmen.<\/li>\n<\/ol>\n<p>Siden motstandskraften er proporsjonal med hastigheten og ikke med forskyvningen, motvirker demperen <em>bevegelse<\/em> uten \u00e5 oppf\u00f8re seg som en fj\u00e6r \u2013 det avgj\u00f8rende kjennetegnet som skiller demping fra stivhet.<\/p>\n<h3>Hvordan det skiller seg fra et glidelager<\/h3>\n<ul>\n<li><strong>Gledelager:<\/strong> b\u00e6rer statiske og dynamiske belastninger gjennom hydrodynamisk filmtrykk, og bidrar b\u00e5de til stivhet og demping.<\/li>\n<li><strong>Klemfilmdemper:<\/strong> gir demping med minimal stivhet og b\u00e6rer ikke fast belastning.<\/li>\n<li><strong>Kombinasjon:<\/strong> Et rullelager (for \u00e5 b\u00e6re belastningen) kombinert med en SFD (for \u00e5 gi demping) utgj\u00f8r en ideell kombinasjon for mange konstruksjoner med h\u00f8y hastighet, ettersom rullelager i seg selv nesten ikke gir noen demping.<\/li>\n<\/ul>\n<h2>2. Bygging og prosjektering<\/h2>\n<h3>Grunnleggende komponenter<\/h3>\n<ul>\n<li><strong>Innvendig l\u00f8pebane (lagerhus):<\/strong> den ytre overflaten av rullelagerhuset, som kan bevege seg fritt i radial retning.<\/li>\n<li><strong>Ytre l\u00f8pebane (demperhus):<\/strong> et fast hus med et presist sylindrisk hull.<\/li>\n<li><strong>Ringformet klaring:<\/strong> det radiale spillet mellom indre og ytre l\u00f8pebaner, vanligvis 0,1\u20130,5 mm.<\/li>\n<li><strong>Oljeforsyning:<\/strong> trykkolje som tilf\u00f8res mellomrommet.<\/li>\n<li><strong>Endeforseglinger:<\/strong> O-ringer eller lignende tetninger som holder oljen p\u00e5 plass i aksial retning.<\/li>\n<li><strong>Senteringselementer:<\/strong> fj\u00e6rer eller festemekanismer som hindrer for stor bevegelse og holder lageret konsentrisk i hvile.<\/li>\n<\/ul>\n<h3>Designparametere<\/h3>\n<ul>\n<li><strong>Radialspill (c):<\/strong> angir dempningskoeffisienten \u2014 et mindre mellomrom gir betydelig st\u00f8rre demping.<\/li>\n<li><strong>Lengde (L):<\/strong> spjeldets aksiale lengde \u2014 jo lengre, desto st\u00f8rre dempning.<\/li>\n<li><strong>Diameter (D):<\/strong> En st\u00f8rre diameter gir bedre demping.<\/li>\n<li><strong>Oljeviskositet (\u00b5):<\/strong> H\u00f8yere viskositet gir bedre demping.<\/li>\n<li><strong>Type endeforsegling:<\/strong> bestemmer den aksiale oljelekkasjen og dermed den effektive dempingen.<\/li>\n<\/ul>\n<h2>3. Dempningskoeffisienten<\/h2>\n<p>Dempekraften som en klemfilmdemper genererer, er i f\u00f8rste omgang:<\/p>\n<blockquote><p>F<sub>demping<\/sub> = C \u00d7 hastighet, der dempningskoeffisienten C er proporsjonal med (\u00b5 \u00b7 D \u00b7 L\u00b3) \/ c\u00b3.<\/p><\/blockquote>\n<p>Det viktigste er den kubiske avhengigheten av klaringen: koeffisienten varierer med 1\/c\u00b3, s\u00e5 <strong>En halvering av klaringen f\u00f8rer til at dempningen \u00f8ker omtrent \u00e5tte ganger<\/strong>. Denne ekstreme f\u00f8lsomheten er et tveegget sverd \u2013 den gir designeren stor innflytelse, men inneb\u00e6rer ogs\u00e5 at produksjonstoleranser, termisk utvidelse og slitasje p\u00e5 boringen alle har en uforholdsmessig stor innvirkning p\u00e5 den faktiske ytelsen. Valg av optimal filmtykkelse er derfor den sentrale designbeslutningen, og den tas i tett samarbeid med rotorens forventede <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/mode-shape\/\">modusformer<\/a>.<\/p>\n<h3>Senteringsfj\u00e6rer<\/h3>\n<ul>\n<li><strong>Hensikt:<\/strong> for \u00e5 hindre at spjeldet sl\u00e5r helt i bunn og kommer i metall-mot-metall-kontakt ved store bevegelser.<\/li>\n<li><strong>Valg av stivhet:<\/strong> myk nok til at spjeldet kan bevege seg og utf\u00f8re sin funksjon, men samtidig stiv nok til \u00e5 holde akselen sentrert under tyngdekraften og statiske sidebelastninger.<\/li>\n<li><strong>Vanlige typer:<\/strong> ekornburfj\u00e6ren (en ring av bjelkeelementer som g\u00e5r rundt omkretsen), spiralfj\u00e6rer og elastomerelementer.<\/li>\n<\/ul>\n<h3>Oljetilf\u00f8rsel og avl\u00f8p<\/h3>\n<ul>\n<li>En trykkforsyning, vanligvis 1\u20135 bar, for \u00e5 holde spalten fylt.<\/li>\n<li>Tilstrekkelig luftstr\u00f8m til \u00e5 fjerne varmen som filmen avgir.<\/li>\n<li>Riktig drenering for \u00e5 forhindre oljeoversv\u00f8mmelse og overtrykk.<\/li>\n<li>Luftventilasjon for \u00e5 unng\u00e5 <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/cavitation\/\">kavitasjon<\/a> i filmen.<\/li>\n<\/ul>\n<h2>4. Fordelene med dempere med klemfilm<\/h2>\n<ul>\n<li><strong>Gir demping uten \u00e5 gj\u00f8re det stivere:<\/strong> \u00f8ker energitapet uten \u00e5 endre rotorens kritiske hastigheter nevneverdig.<\/li>\n<li><strong>Reduserer vibrasjoner ved kritisk hastighet:<\/strong> lasterom <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/resonance\/\">resonans<\/a> amplituder ned til sikre niv\u00e5er.<\/li>\n<li><strong>Forhindrer ustabilitet:<\/strong> bidrar til \u00e5 undertrykke <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/oil-whirl\/\">oljevirvel<\/a>, <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/shaft-whip\/\">skaftpisk<\/a> og andre selvdrevne svingninger.<\/li>\n<li><strong>Isolater overf\u00f8rer kraft:<\/strong> reduserer vibrasjonene som overf\u00f8res til fundamentet og den omkringliggende konstruksjonen.<\/li>\n<li><strong>Tilrettelagt for korttidsboende:<\/strong> dempes vibrasjoner ved oppstart, nedstengning og ved belastningsendringer.<\/li>\n<li><strong>Mulighet for ettermontering:<\/strong> Kan legges til eksisterende maskiner uten st\u00f8rre ombygging<\/li>\n<li><strong>Passiv drift:<\/strong> trenger verken styresystem eller ekstern str\u00f8mforsyning \u2014 bare oljetilf\u00f8rsel.<\/li>\n<\/ul>\n<h2>5. S\u00f8knader<\/h2>\n<h3>Gassturbiner for fly<\/h3>\n<ul>\n<li>Nesten universelt i moderne flymotorer.<\/li>\n<li>Avgj\u00f8rende for \u00e5 dempe vibrasjoner under passeringer av kritisk hastighet under oppstart.<\/li>\n<li>Gj\u00f8r rullelager egnet for bruk i applikasjoner med sv\u00e6rt h\u00f8ye hastigheter.<\/li>\n<li>Kompakt og lett design \u2013 en avgj\u00f8rende fordel for luftfartsindustrien.<\/li>\n<\/ul>\n<h3>Industrielle gassturbiner<\/h3>\n<ul>\n<li>Brukes sammen med rullelager eller vippelager.<\/li>\n<li>Kontroller vibrasjon ved hyppige oppstart og nedstengninger.<\/li>\n<li>Reduser vibrasjoner som overf\u00f8res til b\u00e6restrukturen.<\/li>\n<\/ul>\n<h3>H\u00f8ytrykkskompressorer<\/h3>\n<ul>\n<li>Legg til demping utover det som lagrene alene gir.<\/li>\n<li>Forhindre ustabilitet ved lav belastning.<\/li>\n<li>Utvid det anvendbare driftsomr\u00e5det.<\/li>\n<\/ul>\n<h3>Ettermonteringsl\u00f8sninger<\/h3>\n<ul>\n<li>Monteres p\u00e5 eksisterende maskiner som utsettes for kraftige vibrasjoner ved kritisk hastighet.<\/li>\n<li>Et tiltak n\u00e5r balansering og justering alene ikke er nok til \u00e5 redusere vibrasjonene tilstrekkelig.<\/li>\n<li>Et alternativ til kostbare endringer av rotor- eller lagerkonstruksjonen.<\/li>\n<\/ul>\n<h2>6. Utfordringer og begrensninger<\/h2>\n<h3>Designutfordringer<\/h3>\n<ul>\n<li><strong>Kavitasjon:<\/strong> Filmen kan danne kavitasjon \u2013 det vil si dampbobler \u2013 noe som reduserer den effektive dempingen.<\/li>\n<li><strong>Inntak av luft:<\/strong> Luft som blir sugd med inn mykgj\u00f8r filmen og reduserer dempingen.<\/li>\n<li><strong>Frekvensavhengighet:<\/strong> Dempingseffekten varierer med vibrasjonsfrekvensen.<\/li>\n<li><strong>Ikke-line\u00e6r oppf\u00f8rsel:<\/strong> Ytelsen endres med amplituden, og store baner som n\u00e6rmer seg klaringsgrensen oppf\u00f8rer seg sv\u00e6rt ikke-line\u00e6rt.<\/li>\n<\/ul>\n<h3>Driftsmessige utfordringer<\/h3>\n<ul>\n<li><strong>Temperaturf\u00f8lsomhet:<\/strong> Oljeviskositeten synker n\u00e5r temperaturen stiger, noe som direkte reduserer dempingen.<\/li>\n<li><strong>Renslighet:<\/strong> Forurensning kan blokkere tilf\u00f8rselen eller skade de presisjonsbearbeidede overflatene.<\/li>\n<li><strong>Avhengighet av oljeforsyning:<\/strong> Et fall i oljetrykket f\u00f8rer til at dempingen forsvinner helt.<\/li>\n<li><strong>Slitasje p\u00e5 tetninger:<\/strong> Endetetningene slites ned over tid, noe som gradvis reduserer effektiviteten.<\/li>\n<\/ul>\n<h3>Vedlikeholdskrav<\/h3>\n<ul>\n<li>Overv\u00e5k oljetilf\u00f8rselstrykket og temperaturen.<\/li>\n<li>Kontroller endepakningene med jevne mellomrom.<\/li>\n<li>Kontroller klaringene under overhalinger.<\/li>\n<li>Kontroller tilstanden til sentreringsfj\u00e6rene.<\/li>\n<li>Rengj\u00f8r oljekanaler og filtre.<\/li>\n<\/ul>\n<h2>7. Avanserte design<\/h2>\n<h3>Stempelringdempere<\/h3>\n<ul>\n<li>Bruk stempelringer i stedet for O-ringstetninger.<\/li>\n<li>S\u00f8rg for en kontrollert oljelekkasje for \u00e5 oppn\u00e5 en bedre trykkfordeling.<\/li>\n<li>Reduser tendensen til kavitasjon.<\/li>\n<\/ul>\n<h3>Spjeld med \u00e5pen ende<\/h3>\n<ul>\n<li>Ingen endeforseglinger \u2013 oljen str\u00f8mmer fritt i aksial retning.<\/li>\n<li>En enklere konstruksjon uten problemer med slitasje p\u00e5 tetningen.<\/li>\n<li>Krever h\u00f8yere oljestr\u00f8mningshastigheter.<\/li>\n<li>Gi en jevnere og mer forutsigbar demping.<\/li>\n<\/ul>\n<h3>Integrerte spjeld<\/h3>\n<ul>\n<li>Dempingsfilmen dannes direkte mellom lagerets bakside og lagerhuset.<\/li>\n<li>Det er ikke behov for noen separat spjeldkomponent.<\/li>\n<li>Kompakt, men med begrenset dempningsevne.<\/li>\n<\/ul>\n<h2>8. Effektivitet og ytelse<\/h2>\n<h3>Vibrasjonsreduksjon<\/h3>\n<ul>\n<li>Kan redusere vibrasjoner ved kritisk hastighet med 50\u201380 %.<\/li>\n<li>Spesielt effektiv til \u00e5 dempe resonans.<\/li>\n<li>Utvider toppen av den kritiske hastigheten, slik at den blir mindre skarp.<\/li>\n<li>Gir en tryggere og jevnere overgang gjennom kritiske hastigheter \u2014 noe som vises som en flatere topp p\u00e5 en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bode-plot\/\">Bode-plottet<\/a> under oppkj\u00f8ringen.<\/li>\n<\/ul>\n<h3>Forbedring av stabiliteten<\/h3>\n<ul>\n<li>\u00d8ker startfarten (terskelen) for <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor-instability\/\">ustabiliteter<\/a>.<\/li>\n<li>Kan forhindre <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/oil-whirl\/\">oljevirvel<\/a> n\u00e5r de brukes sammen med rullelager.<\/li>\n<li>Gir positiv demping som motvirker destabiliserende krysskoblede krefter.<\/li>\n<\/ul>\n<h2>9. Prosjektering, analyse og feltverifisering<\/h2>\n<p>For \u00e5 utforme en squeeze film-demper p\u00e5 riktig m\u00e5te kreves det en helhetlig analyse av hele systemet <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor-bearing-system\/\">rotorlagersystem<\/a>:<\/p>\n<ul>\n<li><strong>Rotordynamisk analyse:<\/strong> modellere rotoren, lagrene og demperen samlet for \u00e5 forutsi respons og stabilitet.<\/li>\n<li><strong>Analyse av v\u00e6skefilm:<\/strong> L\u00f8sninger p\u00e5 Reynolds-ligningen for trykkfordelingen i filmen.<\/li>\n<li><strong>Ikke-line\u00e6r analyse:<\/strong> med hensyn til kavitasjon og amplitudavhengig oppf\u00f8rsel.<\/li>\n<li><strong>Termisk analyse:<\/strong> \u00f8kning i oljetemperaturen og varmeavledning.<\/li>\n<li><strong>Spesialisert programvare:<\/strong> Rotordynamikkpakker som DyRoBeS og XLTRC inneholder SFD-modeller.<\/li>\n<\/ul>\n<p>Uansett hvor god konstruksjonen er, er dens egentlige oppgave \u00e5 holde de m\u00e5lte vibrasjonene innenfor akseptable grenser, og dette bekreftes i praksis snarere enn p\u00e5 papiret. En b\u00e6rbar tokanalsanalysator som <a href=\"https:\/\/vibromera.eu\/nb\/produkt\/balanset-1\/\">Balanset-1A<\/a> er det praktiske verkt\u00f8yet for denne kontrollen: med <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/accelerometer\/\">akselerometre<\/a> ved lagerhusene registrerer den amplituden og <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/phase\/\">fase<\/a> gjennom en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/coastdown\/\">innkj\u00f8ring eller utkj\u00f8ring<\/a>, slik at en ingeni\u00f8r kan se hvor bred og hvor lav den dempede toppen ved kritisk hastighet egentlig er, og bekrefte at rotoren passerer gjennom resonansen p\u00e5 en sikker m\u00e5te. Hvis det gjenst\u00e5r <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/unbalance\/\">ubalanse<\/a> forsterker resonansen, kan det samme instrumentet <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/feltbalansering\/\">feltbalanse<\/a> rotoren \u2013 for selv den beste demperen fungerer bedre n\u00e5r kraften den m\u00e5 absorbere, f\u00f8rst er minimert.<\/p>\n<h2>10. N\u00e5r man b\u00f8r bruke det \u2013 og n\u00e5r man ikke b\u00f8r<\/h2>\n<h3>Anbefalte bruksomr\u00e5der<\/h3>\n<ul>\n<li><strong>H\u00f8yhastighetsmaskiner:<\/strong> som opererer n\u00e6r eller over kritiske hastigheter.<\/li>\n<li><strong>Rullelagersystemer:<\/strong> der lagrene i seg selv gir liten demping.<\/li>\n<li><strong>Fleksible rotorer:<\/strong> \u00e5 kj\u00f8re over den f\u00f8rste kritiske hastigheten.<\/li>\n<li><strong>Stabilitetsproblemer:<\/strong> der rotorustabilitet utgj\u00f8r en reell risiko.<\/li>\n<li><strong>Transientkontroll:<\/strong> redusere vibrasjoner ved oppstart og nedstengning.<\/li>\n<\/ul>\n<h3>Anbefales ikke n\u00e5r<\/h3>\n<ul>\n<li>Driften foreg\u00e5r ved lav hastighet, og dempingen er ikke avgj\u00f8rende.<\/li>\n<li>Plassmangel gj\u00f8r det umulig \u00e5 installere.<\/li>\n<li>Det finnes ikke noe p\u00e5litelig oljeforsyningssystem.<\/li>\n<li>Vedlikeholdsressursene er begrensede \u2013 spjeldene medf\u00f8rer et ekstra oljesystem som m\u00e5 vedlikeholdes.<\/li>\n<li>Enklere tiltak, som for eksempel presise <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/balansering\/\">balansering<\/a> eller <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/misalignment\/\">justering<\/a>, gj\u00f8r allerede jobben.<\/li>\n<\/ul>\n<p>Squeeze film-demperen er en elegant l\u00f8sning for vibrasjonsdemping i roterende maskiner med h\u00f8y hastighet. Ved \u00e5 gi betydelig demping uten \u00e5 \u00f8ke stivheten nevneverdig, sikrer den sikker drift ved kritiske hastigheter, demper \u00f8deleggende ustabiliteter og utvider driftsomr\u00e5det \u2013 alt i en kompakt, passiv enhet som krever lite mer enn en jevn og stabil oljetilf\u00f8rsel.<\/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 klemfilmdempere, passive enheter som bruker oljefilmer for \u00e5 gi demping i roterende maskineri, kontrollere vibrasjoner ved kritisk hastighet og forhindre rotorinstabilitet.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-251","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/251","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\/251\/revisions"}],"predecessor-version":[{"id":101461,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/251\/revisions\/101461"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/media?parent=251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/categories?post=251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/tags?post=251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}