{"id":73,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/centrifugal-force\/"},"modified":"2026-05-23T23:07:47","modified_gmt":"2026-05-23T23:07:47","slug":"centrifugal-force","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/nb\/glossary\/centrifugal-force\/","title":{"rendered":"Hva er sentrifugalkraft i roterende maskineri?"},"content":{"rendered":"<h1>Forst\u00e5 sentrifugalkraft i roterende maskineri<\/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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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>Sentrifugalkraft<\/strong> er den tilsynelatende ytre kraften som virker p\u00e5 en masse som beveger seg i en sirkelbane. I roterende maskiner er det denne kraften som er \u00e5rsaken til de fleste <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/vibration\/\">vibrasjon<\/a>: n\u00e5r en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor\/\">rotor<\/a> b\u00e6rer <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/unbalance\/\">ubalanse<\/a> \u2014 med tyngdepunktet forskj\u00f8vet fra rotasjonsaksen \u2014 skaper den eksentriske massen en kraft som virker radielt utover mot det tyngre punktet og beveger seg rundt med akselens hastighet. Det er nettopp denne roterende kraften som <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/balansering\/\">balansering<\/a> eksisterer for \u00e5 minimere, og det er avgj\u00f8rende \u00e5 forst\u00e5 omfanget og virkem\u00e5ten til <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor-dynamics\/\">rotordynamikk<\/a> og vibrasjonsanalyse.<\/p>\n<h2>1. Det matematiske uttrykket<\/h2>\n<h3>Grunnleggende formel<\/h3>\n<p>St\u00f8rrelsen p\u00e5 sentrifugalkraften fra en eksentrisk masse er:<\/p>\n<ul>\n<li><strong>F = m \u00d7 r \u00d7 \u03c9\u00b2<\/strong><\/li>\n<li><strong>F<\/strong> = sentrifugalkraft (newton)<\/li>\n<li><strong>m<\/strong> = ubalansert masse (kilogram)<\/li>\n<li><strong>r<\/strong> = radius for masseeksentrisitet (meter)<\/li>\n<li><strong>\u03c9<\/strong> = vinkelhastighet (radianer per sekund) = 2\u03c0 \u00d7 o\/min \/ 60<\/li>\n<\/ul>\n<h3>Alternativ form ved bruk av RPM og g\u00b7mm<\/h3>\n<p>For vanlige balanseringsoppgaver, der ubalansen angis i gram-millimeter, kan den samme fysikkformelen skrives p\u00e5 en mer praktisk m\u00e5te:<\/p>\n<ul>\n<li><strong>F (N) = U \u00d7 (RPM \/ 9549)\u00b2<\/strong><\/li>\n<li>hvor <strong>U<\/strong> = ubalansemoment (g\u00b7mm) = m \u00d7 r<\/li>\n<li>Dette skjemaet kan brukes direkte i avstemmingsspesifikasjonene uten at man trenger \u00e5 regne om mellom enheter.<\/li>\n<\/ul>\n<p>Hvis du helst ikke vil regne ut dette for h\u00e5nd, kan du <a href=\"https:\/\/vibromera.eu\/nb\/calculators\/centrifugal-force-unbalance\/\">Sentrifugalkraft fra ubalansekalkulator<\/a> beregner kraften direkte ut fra en ubalanseverdi og hastigheten.<\/p>\n<h3>Forholdet mellom hastighet og kvadrat<\/h3>\n<p>Den aller viktigste egenskapen ved sentrifugalkraften er at den er proporsjonal med <em>kvadrat<\/em> av rotasjonshastigheten:<\/p>\n<ul>\n<li>Hvis man dobler hastigheten, blir kraften fire ganger s\u00e5 stor (2\u00b2 = 4).<\/li>\n<li>\u00c5 tredoble hastigheten gir en ni ganger s\u00e5 h\u00f8y hastighet (3\u00b2 = 9).<\/li>\n<li>Denne kvadratiske loven forklarer hvorfor en ubalanse som er ufarlig ved lav hastighet, blir farlig ved h\u00f8y hastighet \u2013 og hvorfor maskiner som kj\u00f8rer i h\u00f8y hastighet krever langt bedre balanse.<\/li>\n<\/ul>\n<h2>2. Hvordan sentrifugalkraften for\u00e5rsaker vibrasjoner<\/h2>\n<p>Den roterende kraften f\u00e5r ikke maskinen til \u00e5 vibrere i seg selv; den gj\u00f8r det ved \u00e5 sette en elastisk konstruksjon i svingninger. \u00c5rsak-virkningskjeden er som f\u00f8lger:<\/p>\n<ol>\n<li>Den roterende sentrifugalkraften virker p\u00e5 rotoren.<\/li>\n<li>Den overf\u00f8res gjennom akselen til lagrene og st\u00f8ttene.<\/li>\n<li>Den elastiske <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor-bearing-system\/\">rotor-lager-fundamentsystem<\/a> svarer med \u00e5 avlede.<\/li>\n<li>Det er denne bevegelsen sensoren registrerer som vibrasjon ved lagrene.<\/li>\n<li>Forholdet mellom kraft og m\u00e5lt vibrasjon avhenger av systemets <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/stiffness\/\">stivhet<\/a> og <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/damping\/\">demping<\/a>.<\/li>\n<\/ol>\n<h3>Under resonans \u2014 drift med stiv rotor<\/h3>\n<ul>\n<li>Vibrasjonen er tiln\u00e6rmet proporsjonal med den p\u00e5f\u00f8rte kraften.<\/li>\n<li>Siden kraften er proporsjonal med hastigheten i kvadrat, er ogs\u00e5 vibrasjonen proporsjonal med hastigheten i kvadrat.<\/li>\n<li>\u00c5 doble hastigheten f\u00f8rer alts\u00e5 til at vibrasjonsamplituden omtrent firedobles.<\/li>\n<\/ul>\n<h3>Ved resonans<\/h3>\n<p>N\u00e5r maskinen g\u00e5r p\u00e5 en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/critical-speed\/\">kritisk hastighet<\/a>, endrer bildet seg dramatisk:<\/p>\n<ul>\n<li>Selv den svake sentrifugalkraften fra <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/residual-unbalance\/\">gjenv\u00e6rende ubalanse<\/a> for\u00e5rsaker kraftige vibrasjoner.<\/li>\n<li>Forsterkningsfaktoren (Q-faktoren) ligger vanligvis mellom 10 og 50, og bestemmes i stor grad av dempningen.<\/li>\n<li>Det er nettopp denne resonansforsterkningen som gj\u00f8r at vedvarende drift ved en kritisk hastighet er s\u00e5 \u00f8deleggende.<\/li>\n<\/ul>\n<h2>3. Eksempler<\/h2>\n<h3>Eksempel 1 \u2014 Liten viftehjul<\/h3>\n<ul>\n<li><strong>Ubalanse:<\/strong> 10 g ved en radius p\u00e5 100 mm = 1000 g\u00b7mm<\/li>\n<li><strong>Hastighet:<\/strong> 1500 o\/min<\/li>\n<li><strong>Makt:<\/strong> F = 1000 \u00d7 (1500 \/ 9549)\u00b2 \u2248 24,7 N (ca. 2,5 kgf)<\/li>\n<\/ul>\n<h3>Eksempel 2 \u2013 Samme l\u00f8pehjul, dobbelt s\u00e5 h\u00f8y hastighet<\/h3>\n<ul>\n<li><strong>Ubalanse:<\/strong> de samme 1000 g\u00b7mm<\/li>\n<li><strong>Hastighet:<\/strong> 3000 o\/min (doblet)<\/li>\n<li><strong>Makt:<\/strong> F = 1000 \u00d7 (3000 \/ 9549)\u00b2 \u2248 98,7 N (ca. 10,1 kgf)<\/li>\n<li><strong>Lekse:<\/strong> En dobling av hastigheten f\u00f8rte til en firedobling av kraften \u2013 loven om hastighet i kvadrat i praksis.<\/li>\n<\/ul>\n<h3>Eksempel 3 \u2014 Stor turbinrotor<\/h3>\n<ul>\n<li><strong>Rotormasse:<\/strong> 5000 kg<\/li>\n<li><strong>Tillatt ubalans ved G2.5:<\/strong> 400 000 g\u00b7mm<\/li>\n<li><strong>Hastighet:<\/strong> 3600 o\/min<\/li>\n<li><strong>Makt:<\/strong> F = 400 000 \u00d7 (3600 \/ 9549)\u00b2 \u2248 56 800 N (ca. 5,8 tonnkraft)<\/li>\n<li><strong>Implikasjon:<\/strong> Selv en \u00abvelbalansert\u00bb rotor utvikler enorme rotasjonskrefter ved h\u00f8y hastighet \u2013 og det er derfor resttoleransen fortsatt spiller en rolle.<\/li>\n<\/ul>\n<h2>4. Sentrifugalkraft ved balansering<\/h2>\n<h3>Ubalanskraften er en vektor<\/h3>\n<ul>\n<li><strong>St\u00f8rrelsesorden:<\/strong> bestemmes av ubalansen og hastigheten (F = m \u00d7 r \u00d7 \u03c9\u00b2).<\/li>\n<li><strong>Retning:<\/strong> radialt utover, mot det tunge punktet.<\/li>\n<li><strong>Rotasjon:<\/strong> vektoren roterer med akselhastigheten \u2014 1\u00d7 <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/running-speed\/\">kj\u00f8rehastighet<\/a> komponent.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/nb\/glossary\/phase\/\">Fase<\/a>:<\/strong> kraftens vinkelposisjon i ethvert \u00f8yeblikk, som en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/tachometer\/\">turteller<\/a> Referansen gj\u00f8r at analysatoren kan foreta m\u00e5lingen.<\/li>\n<\/ul>\n<h3>Balanseringsprinsippet<\/h3>\n<p>Balansering skjer ved at det oppst\u00e5r en like stor, men motsatt sentrifugalkraft:<\/p>\n<ul>\n<li>A <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/correction-weight\/\">korreksjonsvekt<\/a> er plassert 180\u00b0 fra tyngdepunktet.<\/li>\n<li>Det skaper en kraft som er like stor, men i motsatt retning.<\/li>\n<li>Den <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/vector-addition\/\">vektorsum<\/a> av originalen og korreksjonskraften n\u00e6rmer seg null.<\/li>\n<li>N\u00e5r den netto roterende kraften minimeres, avtar vibrasjonene.<\/li>\n<\/ul>\n<h3>Arbeid i to plan<\/h3>\n<p>Til <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/two-plane-balancing\/\">toplansbalansering<\/a>, gir sentrifugalkreftene i hvert plan b\u00e5de en nettokraft og en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/couple-unbalance\/\">par<\/a>. Korreksjonsvektene m\u00e5 oppheve b\u00e5de kraftubalansen og momentet, og nettoeffekten beregnes ved \u00e5 vektorlegge bidragene fra begge planene. I feltet utf\u00f8res hele denne vektorberegningen av et b\u00e6rbart tokanalsinstrument som for eksempel <a href=\"https:\/\/vibromera.eu\/nb\/produkt\/balanset-1\/\">Balanset-1A<\/a>, som m\u00e5ler amplituden og fasen til 1\u00d7, beregner rotorens <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/influence-coefficient\/\">p\u00e5virkningskoeffisienter<\/a>, og beregner massen og vinkelen til hver korrigeringsvekt i maskinens egne lagre ved driftshastighet.<\/p>\n<h2>5. Konsekvenser for lagerbelastningen<\/h2>\n<h3>Statisk belastning vs. dynamisk belastning<\/h3>\n<ul>\n<li><strong>Statisk belastning:<\/strong> den konstante belastningen p\u00e5 lageret fra rotorens vekt (tyngdekraften).<\/li>\n<li><strong>Dynamisk belastning:<\/strong> den roterende belastningen fra sentrifugalkraften som skyldes ubalansen.<\/li>\n<li><strong>Total belastning:<\/strong> vektorsummen, som varierer langs omkretsen n\u00e5r rotoren roterer.<\/li>\n<li><strong>Maksimal belastning:<\/strong> oppst\u00e5r der de statiske og dynamiske belastningene for en kort stund faller sammen.<\/li>\n<\/ul>\n<h3>Innvirkning p\u00e5 lagrenes levetid<\/h3>\n<ul>\n<li>Levetiden til rullelager er omvendt proporsjonal med belastningens kubikk (L10 \u221d 1\/P\u00b3).<\/li>\n<li>En beskjeden \u00f8kning i dynamisk belastning forkorter alts\u00e5 levetiden uforholdsmessig mye.<\/li>\n<li>Sentrifugalkraften som skyldes ubalansering \u00f8ker direkte belastningen p\u00e5 lageret.<\/li>\n<li>God balansekvalitet er derfor avgj\u00f8rende for lagrenes levetid, ikke bare for komforten.<\/li>\n<\/ul>\n<h2>6. Sentrifugalkraft i ulike hastighetsklasser<\/h2>\n<h3>Utstyr med lav hastighet (under ca. 1000 o\/min)<\/h3>\n<ul>\n<li>Sentrifugalkreftene er relativt lave; statiske tyngdekraftsbelastninger dominerer ofte.<\/li>\n<li>Det er tillatt med st\u00f8rre toleranser for ubalans, og store absolutte ubalanser kan aksepteres.<\/li>\n<\/ul>\n<h3>Utstyr for middels hastighet (~1000\u20135000 o\/min)<\/h3>\n<ul>\n<li>Sentrifugalkreftene er betydelige og m\u00e5 h\u00e5ndteres; det er her det meste av industrimaskineriet befinner seg.<\/li>\n<li>Typisk <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/balancing-grade\/\">balansere kvalitetsgrader<\/a> kj\u00f8r G2.5 til G16.<\/li>\n<li>Balansering er viktig b\u00e5de for lagrenes levetid og for vibrasjonsdemping.<\/li>\n<\/ul>\n<h3>H\u00f8yhastighetsutstyr (over ca. 5000 o\/min)<\/h3>\n<ul>\n<li>Sentrifugalkreftene dominerer over statiske belastninger.<\/li>\n<li>Det kreves sv\u00e6rt strenge toleranser (G0,4 til G2,5).<\/li>\n<li>Selv sm\u00e5 ubalanser kan skape enorme krefter, og derfor er presisjonsbalansering avgj\u00f8rende.<\/li>\n<\/ul>\n<h2>7. Kritiske hastigheter og fleksible rotorer<\/h2>\n<h3>Forsterkning ved resonans<\/h3>\n<p>P\u00e5 en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/critical-speed\/\">kritisk hastighet<\/a>... den samme sentrifugalkraften forsterkes av systemets Q-faktor (vanligvis 10\u201350), slik at vibrasjonsamplituden langt overstiger niv\u00e5et ved drift under kritisk hastighet \u2014 det tydeligste beviset p\u00e5 hvorfor man m\u00e5 passere kritiske hastigheter raskt eller unng\u00e5 dem helt.<\/p>\n<h3>Oppf\u00f8rselen til en fleksibel rotor<\/h3>\n<p>Til <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/flexible-rotor\/\">fleksible rotorer<\/a> kj\u00f8rer over en kritisk hastighet:<\/p>\n<ul>\n<li>Akselen b\u00f8yes under sentrifugalkraften, og denne b\u00f8yningen f\u00f8rer til ytterligere eksentrisitet.<\/li>\n<li>Over den kritiske hastigheten oppst\u00e5r en selvsentrerende effekt som reduserer belastningen p\u00e5 lagrene.<\/li>\n<li>I motsetning til hva man skulle tro, kan vibrasjoner faktisk <em>reduksjon<\/em> n\u00e5r rotoren er trygt over sin kritiske hastighet.<\/li>\n<\/ul>\n<h2>8. Koblingen til balanseringsstandarder<\/h2>\n<p><a href=\"https:\/\/vibromera.eu\/nb\/glossary\/g-grade\/\">Balansekvalitetskarakterer<\/a> i <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a> er nettopp til for \u00e5 dempe sentrifugalkraften:<\/p>\n<ul>\n<li>Lavere G-verdier tillater mindre ubalansering.<\/li>\n<li>Dette begrenser rotasjonskraften ved enhver hastighet.<\/li>\n<li>Det holder sentrifugalkreftene innenfor maskinens sikre konstruksjonsrammer.<\/li>\n<li>Ulike utstyrstyper tildeles derfor ulike krafttoleranser.<\/li>\n<\/ul>\n<h2>9. M\u00e5ling og beregning av kraften<\/h2>\n<h3>Fra vibrasjon til kraft<\/h3>\n<p>Kraften m\u00e5les ikke direkte ved feltbalansering, men den kan estimeres: m\u00e5le vibrasjonsamplituden ved driftshastighet, og deretter estimere systemets stivhet ut fra rotorens <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/influence-coefficient\/\">p\u00e5virkningskoeffisienter<\/a>, og beregne F \u2248 k \u00d7 avb\u00f8yning. Dette er en nyttig m\u00e5te \u00e5 vurdere hvor stor del av lagerbelastningen som skyldes ubalansering.<\/p>\n<h3>Fra ubalanse til kraft<\/h3>\n<p>Hvis ubalansen er kjent, f\u00f8lger kraften direkte av F = m \u00d7 r \u00d7 \u03c9\u00b2 (eller F = U \u00d7 (RPM \/ 9549)\u00b2 der U er angitt i g\u00b7mm), noe som gir den forventede kraften for enhver ubalans og hastighet \u2013 grunnlaget for konstruksjonskontroller og toleranseverifisering.<\/p>\n<p>Sentrifugalkraften er den grunnleggende mekanismen som gj\u00f8r at ubalanser f\u00f8rer til vibrasjoner i roterende maskiner. Den kvadratiske avhengigheten av hastigheten er \u00e5rsaken til at balanseringskvaliteten blir stadig viktigere jo h\u00f8yere hastigheten er, og hvorfor selv en liten ubalans kan utl\u00f8se enorme krefter og \u00f8deleggende vibrasjoner i utstyr som g\u00e5r med h\u00f8y hastighet.<\/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 sentrifugalkraft, den utadrettede kraften som genereres av roterende ubalanse som for\u00e5rsaker vibrasjoner og lagerbelastninger i maskiner, proporsjonal med kvadratet av rotasjonshastigheten.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-73","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/73","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\/73\/revisions"}],"predecessor-version":[{"id":101472,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/73\/revisions\/101472"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/media?parent=73"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/categories?post=73"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/tags?post=73"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}