{"id":139,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/hunting-tooth-frequency\/"},"modified":"2026-07-02T18:32:53","modified_gmt":"2026-07-02T18:32:53","slug":"hunting-tooth-frequency","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/da\/glossary\/hunting-tooth-frequency\/","title":{"rendered":"Hvad er jagttandfrekvens? Gentagelse af tandhjulsm\u00f8nster"},"content":{"rendered":"<h1>Forst\u00e5else af jagttandfrekvens<\/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\/da\/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\/da\/product\/balanset-1\/\" title=\"B\u00e6rbart afbalanceringsapparat og vibrationsanalysator 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 komplet s\u00e6t med b\u00e6rbar afbalanceringsenhed og vibrationsanalysator\" 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\/da\/product-category\/devices\/\" rel=\"tag\">Enheder<\/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\/da\/product\/balanset-1\/\" title=\"B\u00e6rbart afbalanceringsapparat og vibrationsanalysator Balanset-1A\">B\u00e6rbart afbalanceringsapparat og vibrationsanalysator 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> + moms (hvis relevant)<\/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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"L\u00e6g i kurv: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/product\/vibration-sensor\/\" title=\"Vibrationssensor\">\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 vibrationssensor i n\u00e6rbillede\" 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\/da\/product-category\/parts\/\" rel=\"tag\">Dele<\/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\/da\/product\/vibration-sensor\/\" title=\"Vibrationssensor\">Vibrationssensor<\/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> + moms (hvis relevant)<\/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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"L\u00e6g i kurv: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (laser-tachometer)\">\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 (laser-tachometer)\" 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\/da\/product-category\/parts\/\" rel=\"tag\">Dele<\/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\/da\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (laser-tachometer)\">Optisk sensor (laser-tachometer)<\/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> + moms (hvis relevant)<\/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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"L\u00e6g i kurv: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/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 rotorbalanceringss\u00e6t: b\u00e6retaske, flerkanals signalbehandler, h\u00e5ndholdt analysator, magnetisk base, vibrationssensorer 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\/da\/product-category\/devices\/\" rel=\"tag\">Enheder<\/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\/da\/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> + moms (hvis relevant)<\/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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"L\u00e6g i kurv: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/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=\"Magnetbase.\" 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\/da\/product-category\/parts\/\" rel=\"tag\">Dele<\/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\/da\/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> + moms (hvis relevant)<\/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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"L\u00e6g i kurv: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/product\/reflective-tape\/\" title=\"Reflekterende tape\">\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=\"Reflekterende tape\" 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\/da\/product-category\/parts\/\" rel=\"tag\">Dele<\/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\/da\/product\/reflective-tape\/\" title=\"Reflekterende tape\">Reflekterende tape<\/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> + moms (hvis relevant)<\/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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"L\u00e6g i kurv: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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\/da\/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\/da\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balancer &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-s\u00e6t med interface-enhed, sensorer, omdrejningst\u00e6ller 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\/da\/product-category\/devices\/\" rel=\"tag\">Enheder<\/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\/da\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balancer &quot;Balanset-1A&quot; OEM\">Dynamisk balancer \"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> + moms (hvis relevant)<\/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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" 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=\"\/da\/wp-json\/wp\/v2\/glossary\/139?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=\"L\u00e6g i kurv: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/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>Jagttandfrekvens<\/strong> (HTF \u2013 ogs\u00e5 kaldet samlingsfasefrekvensen eller den st\u00f8rste f\u00e6lles divisors frekvens) er en lavfrekvens <a href=\"https:\/\/vibromera.eu\/da\/glossary\/vibration\/\">vibrationer<\/a> komponent i et tandhjulspar, der angiver den hastighed, hvormed <em>samme<\/em> den enkelte tand p\u00e5 pinionen kommer igen i indgreb med den samme enkelte tand p\u00e5 gearet. Den styres af det mindste f\u00e6lles multiplum (LCM) af de to tandtal og er normalt en meget lav frekvens \u2014 langt under akselhastigheden \u2014 som viser sig som en langsom, periodisk amplitudemodulation af <a href=\"https:\/\/vibromera.eu\/da\/glossary\/gear-mesh-frequency\/\">gearindgrebsfrekvens (GMF)<\/a> og dens <a href=\"https:\/\/vibromera.eu\/da\/glossary\/sidebands\/\">sideb\u00e5nd<\/a>.<\/p>\n<p>HTF er diagnostisk vigtig, fordi vibrationer ved denne frekvens tyder p\u00e5 problemer med <em>bestemte enkelte t\u00e6nder<\/em> \u2014 en revnet tand, en lokal afskalning eller en sk\u00e6v montering \u2014 snarere end til tandhjuls\u00e6tets generelle tilstand. At kunne genkende HTF-sideb\u00e5nd hj\u00e6lper derfor en analytiker med at lokalisere pr\u00e6cist, hvilket tandhjul og endda hvilken tand der er \u00e5rsagen til fejlen, hvilket g\u00f8r det til et af de mest pr\u00e6cise v\u00e6rkt\u00f8jer i den bredere v\u00e6rkt\u00f8jskasse af <a href=\"https:\/\/vibromera.eu\/da\/glossary\/gear-defects\/\">gear defect<\/a> diagnosis.<\/p>\n<h2>1. Definition og fysisk betydning<\/h2>\n<p>N\u00e5r to tandhjul k\u00f8rer sammen, griber en given tand p\u00e5 det lille tandhjul ind i en r\u00e6kke tandhjulstande, den ene efter den anden, omgang for omgang. Om den nogensinde vender tilbage til den allerf\u00f8rste tand, den r\u00f8rte ved \u2013 og hvor hurtigt \u2013 afh\u00e6nger af det aritmetiske forhold mellem de to tandantal. Frekvensen for tandhjulsjagt er ganske enkelt hastigheden af denne tilbagevenden. En lav HTF betyder, at et bestemt tandpar kun m\u00f8des sj\u00e6ldent; en h\u00f8j HTF betyder, at de samme f\u00e5 par m\u00f8des igen og igen.<\/p>\n<p>Dette har to konsekvenser, der tr\u00e6kker i hver sin retning. Med hensyn til slid er en lav HTF-v\u00e6rdi en fordel: Skader og produktionsfejl fordeles p\u00e5 alle t\u00e6nderne. I diagnostisk sammenh\u00e6ng koncentrerer den samme lave HTF-v\u00e6rdi vibrationsm\u00f8nsteret fra en enkelt defekt tand til en tydelig h\u00e6ndelse, der forekommer \u00e9n gang pr. omdrejning og er let at f\u00e5 \u00f8je p\u00e5. Ved at forst\u00e5 tallet kan man afl\u00e6se begge disse forhold p\u00e5 \u00e9n gang.<\/p>\n<h2>2. Matematisk grundlag<\/h2>\n<h3>Formlen<\/h3>\n<blockquote><p>HTF = GMF \/ LCM(N\u2081, N\u2082) = GMF \u00d7 GCD(N\u2081, N\u2082) \/ (N\u2081 \u00d7 N\u2082)<\/p><\/blockquote>\n<ul>\n<li>N\u2081 = antallet af t\u00e6nder p\u00e5 tandhjulet<\/li>\n<li>N\u2082 = antallet af t\u00e6nder p\u00e5 tandhjulet<\/li>\n<li>GMF = gear mesh frequency = N\u2081 \u00d7 pinion speed (Hz) = N\u2082 \u00d7 gear speed (Hz)<\/li>\n<li>LCM = the least common multiple of N\u2081 and N\u2082 (equal to N\u2081 \u00d7 N\u2082 \/ GCD, where GCD is the greatest common divisor)<\/li>\n<\/ul>\n<p>Den GMF, som HTF modulerer, er selv N \u00d7 akselhastighed for et af gearene; en <a href=\"https:\/\/vibromera.eu\/da\/calculators\/gear-mesh-frequency\/\">Beregner til gearindgrebsfrekvens<\/a> beregner GMF og dens sideb\u00e5ndsfamilie direkte, mens en <a href=\"https:\/\/vibromera.eu\/da\/calculators\/gear-ratio-calculator\/\">Gearforholdsberegner<\/a> tager h\u00f8jde for det forhold mellem indgangs- og udgangshastighed, du har brug for, inden du anvender formlen.<\/p>\n<h3>Eksempel 1: et hunting-tooth-par<\/h3>\n<ul>\n<li><strong>Drev:<\/strong> 23 t\u00e6nder ved 1800 omdr.\/min.<\/li>\n<li><strong>Gearhjul:<\/strong> 67 t\u00e6nder<\/li>\n<li><strong>GCD(23, 67):<\/strong> 1 \u2014 both are prime, so they share no common factor; LCM(23, 67) = 23 \u00d7 67 = 1541<\/li>\n<li><strong>GMF:<\/strong> 23 \u00d7 (1800 \/ 60) = 690 Hz<\/li>\n<li><strong>HTF = 690 \/ 1541 \u2248 0.45 Hz<\/strong> \u2014 det samme tandpar m\u00f8des kun cirka \u00e9n gang hvert 2.2 sekund, langt under pinionakslens hastighed p\u00e5 30 Hz<\/li>\n<li><strong>Betydning:<\/strong> hver tand p\u00e5 tandhjulet griber ind i hver tand p\u00e5 det andet tandhjul, f\u00f8r m\u00f8nsteret gentager sig<\/li>\n<li><strong>Resultat:<\/strong> et \u00e6gte hunting-tooth-gear med optimal slidfordeling<\/li>\n<\/ul>\n<h3>Eksempel 2: et non-hunting-par<\/h3>\n<ul>\n<li><strong>Drev:<\/strong> 20 t\u00e6nder ved 1800 omdr.\/min.<\/li>\n<li><strong>Gearhjul:<\/strong> 60 t\u00e6nder<\/li>\n<li><strong>GCD(20, 60):<\/strong> 20; LCM(20, 60) = 60<\/li>\n<li><strong>GMF:<\/strong> 20 \u00d7 (1800 \/ 60) = 600 Hz<\/li>\n<li><strong>HTF = 600 \/ 60 = 10 Hz<\/strong> \u2014 svarende til udgangsgearets akselhastighed<\/li>\n<li><strong>Betydning:<\/strong> der findes kun 20 forskellige tandpar, og hvert par g\u00e5r i indgreb igen ti gange i sekundet<\/li>\n<li><strong>Resultat:<\/strong> et koncentreret slidm\u00f8nster p\u00e5 de samme t\u00e6nder<\/li>\n<\/ul>\n<h3>Eksempel 3: et mellemliggende tilf\u00e6lde<\/h3>\n<ul>\n<li><strong>Drev:<\/strong> 18 t\u00e6nder ved 3600 omdr.\/min.<\/li>\n<li><strong>Gearhjul:<\/strong> 54 t\u00e6nder<\/li>\n<li><strong>GCD(18, 54):<\/strong> 18; LCM(18, 54) = 54<\/li>\n<li><strong>GMF:<\/strong> 18 \u00d7 (3600 \/ 60) = 1080 Hz<\/li>\n<li><strong>HTF = 1080 \/ 54 = 20 Hz<\/strong><\/li>\n<li><strong>M\u00f8nster:<\/strong> der findes kun 18 forskellige tandkontaktpar, som hver gentages 20 gange i sekundet<\/li>\n<\/ul>\n<h2>3. Hunting-tooth- vs. non-hunting-gears\u00e6t<\/h2>\n<h3>Hunting-tooth-design (GCD = 1)<\/h3>\n<p>Opn\u00e5s n\u00e5r tandantallet er relativt primt (ingen f\u00e6lles faktorer):<\/p>\n<ul>\n<li><strong>Fordele:<\/strong>\n<ul>\n<li>Hver tandhjulstand g\u00e5r til sidst i indgreb med hver tandhjulstand<\/li>\n<li>Slidfordelingen er j\u00e6vn p\u00e5 alle t\u00e6nderne.<\/li>\n<li>Fremstillingsfejl udlignes i stedet for at blive forst\u00e6rket.<\/li>\n<li>L\u00e6ngere levetid for gearene.<\/li>\n<li>Anbefales til de fleste anvendelsesform\u00e5l.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ulemper:<\/strong>\n<ul>\n<li>En fejl, der involverer \u00e9n bestemt tand <em>pair<\/em> gentager sig kun ved den meget lave HTF (en lille br\u00f8kdel af akselhastigheden), s\u00e5 der kr\u00e6ves lange tidsoptagelser for at opl\u00f8se den. En enkelt beskadiget tand giver stadig \u00e9t st\u00f8d pr. omdrejning af sin egen aksel.<\/li>\n<li>Det kan kr\u00e6ve en mere pr\u00e6cis fremstilling.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Non-hunting-design (GCD &gt; 1)<\/h3>\n<p>Opst\u00e5r, n\u00e5r tandantallene har f\u00e6lles faktorer:<\/p>\n<ul>\n<li><strong>Fordele:<\/strong>\n<ul>\n<li>Enklere valg af antal t\u00e6nder.<\/li>\n<li>Kan muligg\u00f8re standardgear i standardst\u00f8rrelser.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ulemper:<\/strong>\n<ul>\n<li>De samme t\u00e6nder griber ind i hinanden igen og igen (kun GCD unikke tandpar findes).<\/li>\n<li>Slid er koncentreret om netop disse tandpar.<\/li>\n<li>Fremstillingsfejl p\u00e5 bestemte t\u00e6nder gentager sig i hver cyklus.<\/li>\n<li>Kortere levetid for gearet, som regel.<\/li>\n<li>Undg\u00e5s generelt i konstruktionen af gearkasser af h\u00f8j kvalitet.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>4. Vibrationssignatur<\/h2>\n<h3>HTF i spektrum og tidsb\u00f8lgeform<\/h3>\n<p>HTF viser sig sj\u00e6ldent som en st\u00e6rk selvst\u00e6ndig top, og den er som regel alt for lav til at kunne opl\u00f8ses som sideb\u00e5ndsafstand. Sideb\u00e5nd omkring tandindgrebsfrekvensen i <a href=\"https:\/\/vibromera.eu\/da\/glossary\/spectrum\/\">vibrationsspektrum<\/a> er adskilt med de to gears akselhastigheder; selve HTF viser sig som en langsom, periodisk amplitudemodulation (et beat) af tandindgrebsvibrationen:<\/p>\n<ul>\n<li><strong>Central top:<\/strong> GMF (tandhjulsindgrebets frekvens).<\/li>\n<li><strong>Sideb\u00e5nd:<\/strong> GMF \u00b1 1\u00d7, 2\u00d7, 3\u00d7 the shaft speed of the gear carrying a localised defect.<\/li>\n<li><strong>HTF signature:<\/strong> et langsomt beat i tidsb\u00f8lgeformen \u2014 det samlede vibrationsniveau svulmer op og aftager i HTF-takt (typisk en br\u00f8kdel af en hertz til nogle f\u00e5 hertz).<\/li>\n<li><strong>Fortolkning:<\/strong> modulation, der gentages ved HTF, peger p\u00e5 en fejl, der involverer et bestemt tandpar <em>pair<\/em>, s\u00e5som en beskadiget piniontand, der periodisk rammer en beskadiget geartand; modulationsdybden afspejler alvorligheden af den lokaliserede fejl.<\/li>\n<\/ul>\n<p>Da disse sideb\u00e5nd samler sig omkring en h\u00f8j indgrebsfrekvens og kan v\u00e6re t\u00e6tpakkede, er der to metoder, der kan hj\u00e6lpe med at afsl\u00f8re dem. <a href=\"https:\/\/vibromera.eu\/da\/glossary\/cepstrum\/\">Cepstrum-analyse<\/a> samler en r\u00e6kke sideb\u00e5nd med ensartede mellemrum i en enkelt quefrency-linje, hvilket g\u00f8r det nemt at afl\u00e6se afstanden, og <a href=\"https:\/\/vibromera.eu\/da\/glossary\/envelope-analysis\/\">envelopeanalyse<\/a> genvinder den impuls fra en beskadiget tand, der optr\u00e6der \u00e9n gang pr. omdrejning, fra det modulerede indgrebssignal.<\/p>\n<h3>Diagnostiske m\u00f8nstre<\/h3>\n<p><strong>En enkelt beskadiget tand:<\/strong> st\u00e6rke sideb\u00e5nd omkring GMF med afstand svarende til akselhastigheden for det gear, der b\u00e6rer den beskadigede tand; \u00e9t st\u00f8d pr. omdrejning af dette gear; den <a href=\"https:\/\/vibromera.eu\/da\/glossary\/time-waveform\/\">tidsb\u00f8lgeform<\/a> viser en tydelig periodisk impuls.<\/p>\n<p><strong>Tandhjulets excentricitet:<\/strong> sideb\u00e5nd ved akselhastighed, som skyldes kast eller ekscentrisk montering; tandindgrebets dybde varierer \u00e9n gang pr. omdrejning og amplitudemodulerer GMF; kan normalt korrigeres ved genmontering eller kastkompensation (se <a href=\"https:\/\/vibromera.eu\/da\/glossary\/eccentricity\/\">excentricitet<\/a>).<\/p>\n<p><strong>Skade p\u00e5 begge gear (tandparfejl):<\/strong> n\u00e5r en beskadiget piniontand periodisk m\u00f8der en beskadiget geartand, svulmer vibrationen op og aftager i den lave HTF-takt \u2014 et langsomt beat oven p\u00e5 tandindgrebsvibrationen; kan kr\u00e6ve udskiftning af gear eller accepteres, hvis det ligger inden for tolerancen.<\/p>\n<h2>5. Praktisk diagnose<\/h2>\n<h3>Identificering af det defekte tandhjul<\/h3>\n<p>For at finde ud af, hvilket tandhjul \u2014 pinion eller hovedhjul \u2014 der b\u00e6rer fejlen:<\/p>\n<ol>\n<li><strong>Beregn begge akselhastigheder:<\/strong> indgangs- og udgangsomdrejningstal.<\/li>\n<li><strong>M\u00e5l afstanden mellem sideb\u00e5ndene<\/strong> ud fra vibrationsspektret.<\/li>\n<li><strong>Hvis afstanden = indgangsakslens frekvens \u2192<\/strong> fejlen sidder p\u00e5 pinionen.<\/li>\n<li><strong>Hvis afstanden = udgangsakslens frekvens \u2192<\/strong> fejlen sidder p\u00e5 gearhjulet.<\/li>\n<li><strong>Konklusion:<\/strong> Afstanden mellem sideb\u00e5ndene angiver, hvilken aksel \u2013 og dermed hvilket tandhjul \u2013 der er problemet.<\/li>\n<\/ol>\n<p>Det er netop den type m\u00e5ling, som en b\u00e6rbar tokanalsanalysator er velegnet til. Med sit optiske tachometer, der knytter dataene til akselvinklen, er <a href=\"https:\/\/vibromera.eu\/da\/vare-2\/balanset-1\/\">Balanset-1A<\/a> registrerer spektrumet og tidsb\u00f8lgeformen ved gearkassehuset, s\u00e5 sideb\u00e5ndsafstanden kan m\u00e5les i forhold til de kendte indgangs- og udgangshastigheder, og den impuls, der opst\u00e5r \u00e9n gang pr. omdrejning ved en revnet tand, kan bekr\u00e6ftes i b\u00f8lgeformen \u2014 alt sammen p\u00e5 den k\u00f8rende maskine, uden at man beh\u00f8ver at \u00e5bne kabinettet. En <a href=\"https:\/\/vibromera.eu\/da\/calculators\/harmonic-frequency-calculator\/\">Beregner til harmoniske frekvenser<\/a> og omregner derefter det m\u00e5lte omdrejningstal til de n\u00f8jagtige Hz-v\u00e6rdier, man skal kigge efter.<\/p>\n<h3>Vurdering af alvorlighedsgrad<\/h3>\n<ul>\n<li><strong>Sideb\u00e5ndsamplitude:<\/strong> St\u00f8rre amplituder tyder p\u00e5 en mere alvorlig lokal defekt.<\/li>\n<li><strong>Antal sideb\u00e5nd:<\/strong> Flere sideb\u00e5nd (h\u00f8jere ordener) indikerer d\u00e5rligere tilstand<\/li>\n<li><strong>Tidsb\u00f8lgeform:<\/strong> En tydelig, periodisk impuls bekr\u00e6fter, at der er tale om en p\u00e5virkning af en enkelt tand.<\/li>\n<li><strong>Sammenligning med GMF:<\/strong> sideb\u00e5nd over ca. 25 % af GMF-amplituden indikerer en v\u00e6sentlig fejl \u2014 en nyttig <a href=\"https:\/\/vibromera.eu\/da\/glossary\/defect-severity\/\">defect-severity<\/a> threshold.<\/li>\n<\/ul>\n<h2>6. Designm\u00e6ssige overvejelser<\/h2>\n<h3>Valg af tandnumre<\/h3>\n<ul>\n<li><strong>Brug primtal<\/strong> hvor det er muligt, at GCD = 1 (jagt-tand-design).<\/li>\n<li><strong>Undg\u00e5 f\u00e6lles faktorer<\/strong> \u2014 undg\u00e5 kombinationer som 20:60 (GCD = 20).<\/li>\n<li><strong>Gode eksempler p\u00e5 par:<\/strong> 17:51, 19:57, 23:69 (alle med GCD = 1).<\/li>\n<li><strong>Afvejning:<\/strong> Denne begr\u00e6nsning kan i nogen grad indskr\u00e6nke de tilg\u00e6ngelige gearforhold.<\/li>\n<\/ul>\n<h3>N\u00e5r non-hunting er acceptabelt<\/h3>\n<ul>\n<li>Anvendelser med lav belastning, hvor slitage ikke er afg\u00f8rende.<\/li>\n<li>Standardgears\u00e6t, hvor et pr\u00e6cist udvekslingsforhold er p\u00e5kr\u00e6vet.<\/li>\n<li>Anvendelser med kort levetid, hvor slidfordelingen ikke er s\u00e5 afg\u00f8rende.<\/li>\n<li>N\u00e5r fordelene ved fremstillingen opvejer slitageomkostningerne.<\/li>\n<\/ul>\n<h2>7. Forholdet til andre gearfrekvenser<\/h2>\n<h3>Frekvenshierarkiet i en gearkasse<\/h3>\n<ul>\n<li><strong>Shaft speeds:<\/strong> 1\u00d7 for indgang og udgang \u2014 de laveste rotationsfrekvenser.<\/li>\n<li><strong>HTF:<\/strong> normalt den laveste frekvens af alle \u2014 en lille br\u00f8kdel af akselhastigheden i et hunting-design (GCD = 1), og aldrig h\u00f8jere end den langsommere akselhastighed, selv i et ikke-hunting-design.<\/li>\n<li><strong>GMF:<\/strong> antal t\u00e6nder \u00d7 akselhastighed \u2014 den h\u00f8jeste prim\u00e6rfrekvens.<\/li>\n<li><strong>GMF harmonics:<\/strong> 2\u00d7GMF, 3\u00d7GMF og s\u00e5 videre, som skyldes indgrebets ikke-linearitet og <a href=\"https:\/\/vibromera.eu\/da\/glossary\/backlash\/\">sl\u00f8r<\/a>.<\/li>\n<\/ul>\n<h3>Strategi for sideb\u00e5ndsanalyse<\/h3>\n<ul>\n<li>Sideb\u00e5nd ved akselhastighedsafstand \u2192 et excentrisk tandhjul eller en defekt p\u00e5 en enkelt tand.<\/li>\n<li>Langsom amplitudemodulation (beating) ved HTF-hastigheden \u2192 et gentaget tandparproblem, s\u00e5som matchende skader p\u00e5 begge gear.<\/li>\n<li>Ingen tydelige sideb\u00e5nd \u2192 generelt spredt <a href=\"https:\/\/vibromera.eu\/da\/glossary\/gear-wear\/\">gear wear<\/a>, eller blot et sundt tandhjulss\u00e6t.<\/li>\n<\/ul>\n<p>Hunting tooth frequency (HTF) er ganske vist et lidt overset aspekt af geardynamikken, men leverer v\u00e6rdifuld diagnostisk information. Ved at forst\u00e5 beregningen af HTF og genkende HTF-sideb\u00e5nd kan en analytiker pr\u00e6cist identificere, hvilket gear der er defekt, og om problemet skyldes en enkelt beskadiget tand eller en mere udbredt tilstand \u2014 hvilket muligg\u00f8r m\u00e5lrettede og velunderbyggede vedligeholdelsesbeslutninger i forbindelse med fejlfinding p\u00e5 gearkasser.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/da\/glossary\/\">\u2190 Tilbage til hovedindekset<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e6r om jagttandfrekvens, den lavfrekvente vibrationskomponent i tandhjul, hvor de samme t\u00e6nder gentagne gange griber ind, hvilket afsl\u00f8rer individuelle tandfejl og excentricitet.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-139","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary\/139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary\/139\/revisions"}],"predecessor-version":[{"id":102037,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary\/139\/revisions\/102037"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/media?parent=139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/categories?post=139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/tags?post=139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}