{"id":122,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/forced-vibration\/"},"modified":"2026-05-23T22:43:10","modified_gmt":"2026-05-23T22:43:10","slug":"forced-vibration","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/nb\/glossary\/forced-vibration\/","title":{"rendered":"Hva er tvungen vibrasjon? Ekstern eksitasjonsrespons"},"content":{"rendered":"<h1>Forst\u00e5 tvungen vibrasjon<\/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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/\" 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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\/122?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\/122?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>Tvungen vibrasjon<\/strong> er en svingende bevegelse for\u00e5rsaket av en ytre periodisk kraft som virker p\u00e5 et mekanisk system. Vibrasjonen oppst\u00e5r med samme frekvens som den p\u00e5f\u00f8rte kraften \u2013 drivfrekvensen \u2013 og amplituden er proporsjonal med kraftens st\u00f8rrelse og omvendt proporsjonal med systemets motstand mot bevegelse ved den frekvensen. Det overveldende flertallet av <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/vibration\/\">vibrasjon<\/a> i roterende maskiner er tvungen vibrasjon, og de vanligste \u00e5rsakene er <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/unbalance\/\">ubalanse<\/a> (en roterende sentrifugalkraft), <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/misalignment\/\">feiljustering<\/a> (koblingskrefter) og aerodynamiske eller hydrauliske svingninger. P\u00e5tvungne vibrasjoner skiller seg fundamentalt fra <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/self-excited-vibration\/\">selveksitert vibrasjon<\/a>, der systemet genererer og opprettholder sin egen svingning, og fra fri svingning, den forbig\u00e5ende utklingningen som f\u00f8lger etter en impuls. Det er viktig \u00e5 forst\u00e5 disse prinsippene, fordi de forklarer hvordan svingningsamplituden henger sammen med feilens alvorlighetsgrad, og hvordan svingningen kan kontrolleres \u2013 enten ved \u00e5 redusere p\u00e5drivningen eller ved \u00e5 endre systemets respons.<\/p>\n<h2>1. Kjennetegn ved kunstig vibrasjon<\/h2>\n<h3>Frekvensavstemming<\/h3>\n<ul>\n<li>Vibrasjonsfrekvensen tilsvarer p\u00e5f\u00f8ringsfrekvensen \u2013 p\u00e5f\u00f8r systemet en frekvens p\u00e5 30 Hz, og det vil vibrere med 30 Hz.<\/li>\n<li>Dette skiller seg fra selvdrevne svingninger, som l\u00e5ser seg fast p\u00e5 en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/natural-frequency\/\">naturlig frekvens<\/a> uavhengig av kj\u00f8rehastigheten.<\/li>\n<li>Frekvensen kan derfor beregnes direkte ut fra p\u00e5drivskilden.<\/li>\n<\/ul>\n<h3>Amplitudeproportionalitet<\/h3>\n<ul>\n<li>Amplituden er proporsjonal med p\u00e5drivets st\u00f8rrelse: Dobler man kraften, dobler man (i et line\u00e6rt system) svingningen.<\/li>\n<li>Fjern kraften, s\u00e5 opph\u00f8rer vibrasjonen \u2013 og det er nettopp derfor den lar seg kontrollere.<\/li>\n<\/ul>\n<h3>Faseforhold<\/h3>\n<ul>\n<li>Det er helt klart <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/phase\/\">fase<\/a> sammenhengen mellom kraft og respons.<\/li>\n<li>Denne fasen avhenger av p\u00e5drivningsfrekvensen i forhold til egenfrekvensen:<\/li>\n<li><strong>Under resonans:<\/strong> Vibrasjonen er i hovedsak i fase med kraften.<\/li>\n<li><strong>At resonance:<\/strong> en faseforsinkelse p\u00e5 90\u00b0.<\/li>\n<li><strong>Over resonans:<\/strong> en faseforsinkelse p\u00e5 180\u00b0.<\/li>\n<\/ul>\n<h3>Stabilitet<\/h3>\n<ul>\n<li>Systemet er stabilt: vibrasjonen er begrenset og \u00f8ker ikke ubegrenset.<\/li>\n<li>Amplituden bestemmes av p\u00e5virkningen og systemets respons til sammen \u2013 i motsetning til ustabile selvdrevne svingninger, som kan eskalere til en ikke-linearitet bremser dem opp.<\/li>\n<\/ul>\n<h2>2. Vanlige drivmekanismer i maskiner<\/h2>\n<h3>Ubalans \u2014 1\u00d7 tvang<\/h3>\n<ul>\n<li><strong>Makt:<\/strong> en roterende sentrifugalkraft som skyldes masseeksentrisitet.<\/li>\n<li><strong>Hyppighet:<\/strong> \u00e9n gang per omdreining (1\u00d7 akselhastighet).<\/li>\n<li><strong>St\u00f8rrelsesorden:<\/strong> F = m\u00b7r\u00b7\u03c9\u00b2, s\u00e5 den \u00f8ker med <em>kvadrat<\/em> of speed.<\/li>\n<li><strong>Betydning:<\/strong> den viktigste vibrasjonskilden i det meste av roterende utstyr.<\/li>\n<\/ul>\n<p>Det er verdt \u00e5 se n\u00e6rmere p\u00e5 denne \u03c9\u00b2-avhengigheten: En dobling av driftshastigheten f\u00f8rer til en firedobling av ubalanskraften, og det er grunnen til at en rotor som g\u00e5r stille ved lav hastighet, kan riste voldsomt n\u00e5r den settes i full drift. Du kan beregne tallene ved hjelp av v\u00e5r <a href=\"https:\/\/vibromera.eu\/nb\/calculators\/centrifugal-force-unbalance\/\">Sentrifugalkraft fra ubalansekalkulator<\/a>.<\/p>\n<h3>De andre viktigste kildene<\/h3>\n<ul>\n<li><strong>Feilinnretting \u2014 2\u00d7 tvang:<\/strong> koblingskrefter som skyldes vinkel- eller parallellforskyvning, noe som f\u00f8rer til vibrasjoner med dobbelt s\u00e5 h\u00f8y hastighet som akselen og en karakteristisk h\u00f8y <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/axial-vibration\/\">aksial<\/a> komponent.<\/li>\n<li><strong>Aerodynamisk \/ hydraulisk (blad- eller vingepassering):<\/strong> trykkpulseringer fra samspillet mellom vinger og stator ved antall vinger \u00d7 akselhastighet \u2014 et karakteristisk trekk ved vifter, pumper og kompressorer, drevet av <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/aerodynamic-forces\/\">aerodynamisk<\/a> og <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/hydraulic-forces\/\">hydrauliske krefter<\/a>.<\/li>\n<li><strong>Kraftp\u00e5virkninger ved tannhjulskontakt:<\/strong> tanninnfesting som skaper periodisk belastning p\u00e5 antall tenner \u00d7 akselhastighet (den <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/gear-mesh-frequency\/\">girinngrepsfrekvens<\/a>), hvor st\u00f8rrelsen avhenger av overf\u00f8rt dreiemoment og tennens kvalitet.<\/li>\n<li><strong>Elektromagnetiske krefter:<\/strong> magnetfeltpulseringer i motorer og generatorer ved 2\u00d7 nettfrekvens (120 Hz ved 60 Hz nettfrekvens, 100 Hz ved 50 Hz) \u2014 som i stor grad er uavhengige av mekanisk hastighet, en asynkron p\u00e5virkning.<\/li>\n<\/ul>\n<h2>3. Respons p\u00e5 p\u00e5virkning: Hvordan systemet oppf\u00f8rer seg<\/h2>\n<p>Den samme kraften gir sv\u00e6rt forskjellige svingningsamplituder, avhengig av hvor p\u00e5drivningsfrekvensen ligger i forhold til systemets egenfrekvens. Dette kan beskrives ved hjelp av tre regimer.<\/p>\n<h3>Under egenfrekvensen (stivhetsstyrt)<\/h3>\n<ul>\n<li>Amplitude \u2248 Kraft \u00f7 <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/stiffness\/\">Stivhet<\/a>.<\/li>\n<li>Responsen er i fase med p\u00e5drivningen.<\/li>\n<li>For hastighetsavhengige krefter \u00f8ker amplituden med hastigheten.<\/li>\n<li>Det typiske driftsomr\u00e5det for de fleste <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rigid-rotor\/\">stive rotorer<\/a>.<\/li>\n<\/ul>\n<h3>Ved egenfrekvens (resonans)<\/h3>\n<ul>\n<li>Amplitude \u2248 Kraft \u00f7 (Demping \u00d7 Egenfrekvens).<\/li>\n<li>Forsterket med Q-faktoren, vanligvis 10\u201350 ganger.<\/li>\n<li>En faseforsinkelse p\u00e5 90\u00b0, og sm\u00e5 krefter skaper n\u00e5 store vibrasjoner.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/nb\/glossary\/damping\/\">Demping<\/a> er det eneste som begrenser amplituden \u2014 den praktiske betydningen av <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/resonance\/\">resonans<\/a>.<\/li>\n<\/ul>\n<h3>Over egenfrekvensen (massestyrt)<\/h3>\n<ul>\n<li>Amplitude \u2248 Kraft \u00f7 (Masse \u00d7 Frekvens\u00b2).<\/li>\n<li>En faseforsinkelse p\u00e5 180\u00b0 \u2013 vibrasjonen beveger seg i motsatt retning av kraften.<\/li>\n<li>Amplituden avtar n\u00e5r frekvensen \u00f8ker.<\/li>\n<li>Dreieomr\u00e5det for <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/flexible-rotor\/\">fleksible rotorer<\/a> som g\u00e5r over deres <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/critical-speed\/\">kritiske hastigheter<\/a>.<\/li>\n<\/ul>\n<h2>4. Tvungen vibrasjon sammenlignet med andre typer<\/h2>\n<h3>Tvungen svingning vs. fri svingning<\/h3>\n<ul>\n<li><strong>Tvunget:<\/strong> Kontinuerlig tvinging, vibrasjon vedvarende, ved tvingingsfrekvens<\/li>\n<li><strong>Gratis:<\/strong> en impulsrespons som avtar ved egenfrekvensen.<\/li>\n<li><strong>Eksempel:<\/strong> en <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bump-test\/\">bumptest<\/a> for\u00e5rsaker frie svingninger; en maskin i drift for\u00e5rsaker tvungne svingninger.<\/li>\n<\/ul>\n<h3>Tvungen vibrasjon vs. selvdrevne vibrasjoner<\/h3>\n<ul>\n<li><strong>Tvunget:<\/strong> en ytre kraft, med en amplitude som er proporsjonal med denne kraften, stabil.<\/li>\n<li><strong>Self-excited:<\/strong> en intern energikilde, hvor amplituden kun begrenses av ikke-linearitet, ustabil.<\/li>\n<li><strong>Eksempler:<\/strong> ubalansen er p\u00e5tvunget; <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/oil-whirl\/\">oljevirvel<\/a> er selveksitert.<\/li>\n<\/ul>\n<h2>5. Kontroll og avb\u00f8tende tiltak<\/h2>\n<h3>Reduser drivkraften (vanligvis den beste l\u00f8sningen)<\/h3>\n<ul>\n<li><strong>Balansering:<\/strong> reduserer ubalansen direkte og er det vanligste tiltaket for \u00e5 rette opp i situasjonen.<\/li>\n<li><strong>Innretting:<\/strong> reduserer feiljusteringskrefter.<\/li>\n<li><strong>Reparasjonsdefekter:<\/strong> l\u00f8se de mekaniske problemene som for\u00e5rsaker kreftene.<\/li>\n<li><strong>Mest effektiv:<\/strong> \u00e5 eliminere eller redusere utslippskilden ved kilden.<\/li>\n<\/ul>\n<h3>Juster systemets respons, eller unng\u00e5 resonans<\/h3>\n<ul>\n<li><strong>Endre stivhet eller masse:<\/strong> Flytt naturlige frekvenser bort fra \u00e5 tvinge frekvenser<\/li>\n<li><strong>Legg til demping:<\/strong> dempe resonansforsterkningen.<\/li>\n<li><strong>Isolering:<\/strong> redusere kraftoverf\u00f8ringen til b\u00e6rende konstruksjon.<\/li>\n<li><strong>Unng\u00e5 resonans:<\/strong> S\u00f8rg for at driftsfrekvensene holdes utenfor naturlige frekvenser, med en sikkerhetsmargin p\u00e5 ca. \u00b120\u201330 %, verifisert gjennom analyser i prosjekteringsfasen og h\u00e5ndhevet ved hjelp av hastighetsbegrensninger dersom en kollisjon er uunng\u00e5elig.<\/li>\n<\/ul>\n<h2>6. Praktisk betydning og diagnose<\/h2>\n<p>Siden nesten all maskinvibrasjon skyldes ytre p\u00e5virkninger \u2013 ubalanser, feilinnretting, tannhjulsinnkobling og lignende \u2013 er den ogs\u00e5 forutsigbar og kontrollerbart, og de vanlige vedlikeholdstiltakene som balansering og innretting fungerer nettopp fordi de tar tak i disse p\u00e5virkningene. Diagnostikkmetoden f\u00f8lger naturlig av dette: identifiser p\u00e5virkningsfrekvensen fra spektrumet, tilordne den til en kjent kilde (1\u00d7, 2\u00d7, tannhjulsinnkobling, vingepassering), diagnostiser kilden og reduser p\u00e5virkningen gjennom riktig vedlikehold.<\/p>\n<p>Det er her feltinstrumentering kommer til sin rett. En b\u00e6rbar tokanalsanalysator som <a href=\"https:\/\/vibromera.eu\/nb\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u00e5ler vibrasjonen <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/amplitude\/\">amplitude<\/a> og fase ved driftshastigheten, gj\u00f8r det mulig \u00e5 avlese spektrumet for \u00e5 skille en 1\u00d7-ubalanse-topp fra en 2\u00d7-feiljusteringstopp, og \u2013 etter \u00e5 ha identifisert ubalanse som den dominerende p\u00e5drivende faktoren \u2013 korrigerer den umiddelbart ved \u00e5 <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/feltbalansering\/\">feltbalansering<\/a> rotoren i sine egne lagre. Det er m\u00e5lingen av b\u00e5de fase og amplitude som skiller et drivkraftproblem fra et resonansproblem, siden de to oppf\u00f8rer seg sv\u00e6rt forskjellig n\u00e5r hastigheten endres.<\/p>\n<p>Tvungen vibrasjon er den grunnleggende vibrasjonstypen i roterende maskiner, og oppst\u00e5r n\u00e5r en ekstern periodisk kraft virker p\u00e5 systemet. Forst\u00e5elsen av prinsippene bak dette \u2013 frekvensmatching, amplitudeproportionalitet og responsomr\u00e5dene styrt av stivhet, demping og masse \u2013 er det som muliggj\u00f8r korrekt diagnostisering av vibrasjonskilder, riktige korrigerende tiltak (redusere p\u00e5virkningen eller endre responsen) og konstruksjonsstrategier som holder vibrasjonen p\u00e5 et lavt niv\u00e5 gjennom reduksjon av p\u00e5virkningen og unng\u00e5else av resonans.<\/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 tvungen vibrasjon, oscillasjon for\u00e5rsaket av eksterne periodiske krefter som ubalanse eller feiljustering, med amplitude proporsjonal med tvinging og frekvenstilpasningseksitasjon.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-122","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/122","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\/122\/revisions"}],"predecessor-version":[{"id":101335,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/122\/revisions\/101335"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/media?parent=122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/categories?post=122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/tags?post=122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}