{"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\/fi\/glossary\/hunting-tooth-frequency\/","title":{"rendered":"Mik\u00e4 on mets\u00e4styshampaiden tiheys? Vaihteiden kuvion toistuminen"},"content":{"rendered":"<h1>Hunting-hammastaajuuden ymm\u00e4rt\u00e4minen<\/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\/fi\/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\/fi\/product\/balanset-1\/\" title=\"Kannettava tasapainotin ja t\u00e4rin\u00e4analysaattori 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 kannettava tasapainotin ja v\u00e4r\u00e4htelyanalysaattori, t\u00e4ydellinen sarja\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/product\/balanset-1\/\" title=\"Kannettava tasapainotin ja t\u00e4rin\u00e4analysaattori Balanset-1A\">Kannettava tasapainotin &#038; t\u00e4rin\u00e4analysaattori 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\">&euro;<\/span>1,975.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/vibration-sensor\/\" title=\"T\u00e4rin\u00e4anturi\">\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:n t\u00e4rin\u00e4anturin l\u00e4hikuva\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/vibration-sensor\/\" title=\"T\u00e4rin\u00e4anturi\">T\u00e4rin\u00e4anturi<\/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\">&euro;<\/span>90.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinen anturi (lasertakometri)\">\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=\"Optinen anturi (lasertakometri)\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinen anturi (lasertakometri)\">Optinen anturi (lasertakometri)<\/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\">&euro;<\/span>124.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/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-roottorin tasapainotussarja: kantolaukku, monikanavainen signaalimuunnin, k\u00e4dess\u00e4 pidett\u00e4v\u00e4 analysaattori, magneettijalusta, t\u00e4rin\u00e4anturit ja kierretyt kaapelit.\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/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\">&euro;<\/span>6,803.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/magnet-stand\/\" title=\"Magneettinen jalusta 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=\"Magneettipohja.\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/magnet-stand\/\" title=\"Magneettinen jalusta Insize-60-kgf\">Magneettinen jalusta 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\">&euro;<\/span>46.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/reflective-tape\/\" title=\"Heijastava nauha\">\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=\"Heijastava nauha\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/reflective-tape\/\" title=\"Heijastava nauha\">Heijastava nauha<\/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\">&euro;<\/span>10.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynaaminen tasapainotin &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-pakkauksen sis\u00e4lt\u00f6, jossa on liit\u00e4nt\u00e4yksikk\u00f6, anturit, kierroslukumittari ja lis\u00e4varusteet\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynaaminen tasapainotin &quot;Balanset-1A&quot; OEM\">Dynaaminen tasapainotin \"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\">&euro;<\/span>1,735.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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>Hunting-hammastaajuus<\/strong> (HTF \u2013 jota kutsutaan my\u00f6s kokoonpanovaiheen taajuudeksi tai suurimman yhteisen jakajan taajuudeksi) on matalataajuinen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration\/\">t\u00e4rin\u00e4<\/a> hammaspy\u00f6r\u00e4parin komponentti, joka kuvaa nopeutta, jolla <em>sama<\/em> pinionin yksitt\u00e4inen hammas palaa kosketukseen hammaspy\u00f6r\u00e4n saman yksitt\u00e4isen hampaan kanssa. Sit\u00e4 m\u00e4\u00e4r\u00e4\u00e4 kahden hammasluvun pienin yhteinen jaettava (LCM), ja se on normaalisti hyvin matala taajuus \u2014 selv\u00e4sti alle akselin py\u00f6rimisnopeuden \u2014 joka n\u00e4kyy hitaana, jaksollisena amplitudimodulaationa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/gear-mesh-frequency\/\">vaihteiden kytkeytymistaajuus (GMF)<\/a> ja sen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/sidebands\/\">sivunauhat<\/a>.<\/p>\n<p>HTF:ll\u00e4 on diagnostista merkityst\u00e4, koska t\u00e4ll\u00e4 taajuudella v\u00e4littyv\u00e4 v\u00e4r\u00e4htely viittaa ongelmiin <em>tietyt yksitt\u00e4iset hampaat<\/em> \u2014 murtunut hammas, paikallinen lohkeama tai ep\u00e4keskinen kiinnitys \u2014 eik\u00e4 niink\u00e4\u00e4n hammaspy\u00f6r\u00e4st\u00f6n yleiseen kuntoon. HTF-sivukaistojen tunnistaminen auttaa siten analysoijaa paikantamaan tarkasti, mik\u00e4 hammaspy\u00f6r\u00e4 ja jopa mik\u00e4 hammas on vian syy, mik\u00e4 tekee siit\u00e4 yhden tarkimmista ty\u00f6kaluista laajemmassa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/gear-defects\/\">hammaspy\u00f6r\u00e4vika<\/a> diagnoosi.<\/p>\n<h2>1. M\u00e4\u00e4ritelm\u00e4 ja fyysinen merkitys<\/h2>\n<p>Kun kaksi hammaspy\u00f6r\u00e4\u00e4 py\u00f6rii yhdess\u00e4, tietty hammaspy\u00f6r\u00e4n hammas tarttuu per\u00e4kk\u00e4isiin hampaisiin yksi toisensa j\u00e4lkeen kierros kierrokselta. Se, palaako se koskaan ensimm\u00e4iseen hampaan, johon se kosketti \u2013 ja kuinka pian \u2013 riippuu n\u00e4iden kahden hampaiden lukum\u00e4\u00e4r\u00e4n v\u00e4lisest\u00e4 suhteesta. Hampaan vaihtelutaajuus (HTF) on yksinkertaisesti t\u00e4m\u00e4n paluun nopeus. Alhainen HTF tarkoittaa, ett\u00e4 tietty hammaspari kohtaa toisensa vain harvoin; korkea HTF tarkoittaa, ett\u00e4 sama muutama hammaspari kohtaa toisensa yh\u00e4 uudelleen.<\/p>\n<p>T\u00e4ll\u00e4 on kaksi vastakkaista seurausta. Kulumisen kannalta alhainen HTF-arvo on hyv\u00e4 asia: vauriot ja valmistusvirheet jakautuvat tasaisesti kaikkien hampaiden kesken. Diagnoosin kannalta sama alhainen HTF-arvo keskitt\u00e4\u00e4 yhden viallisen hampaan v\u00e4r\u00e4htelykuvion selke\u00e4ksi, kerran kierrosta kohti toistuvaksi tapahtumaksi, joka on helppo havaita. Arvon ymm\u00e4rt\u00e4minen auttaa tulkitsemaan molempia n\u00e4k\u00f6kohtia samanaikaisesti.<\/p>\n<h2>2. Matemaattiset perusteet<\/h2>\n<h3>The formula<\/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 = hammaspy\u00f6r\u00e4n pienemm\u00e4n vetopy\u00f6r\u00e4n (pinion) hampaiden lukum\u00e4\u00e4r\u00e4<\/li>\n<li>N\u2082 = hammaspy\u00f6r\u00e4n suuremman vetohampaiston (gear) hampaiden lukum\u00e4\u00e4r\u00e4<\/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>HTF:n moduloima GMF on kummassakin hammaspy\u00f6r\u00e4ss\u00e4 itse N \u00d7 akselin py\u00f6rimisnopeus; a <a href=\"https:\/\/vibromera.eu\/fi\/calculators\/gear-mesh-frequency\/\">hammaspy\u00f6rien hammasv\u00e4lin taajuuslaskuri<\/a> laskee GMF:n ja sen sivukaistaperheen suoraan, kun taas <a href=\"https:\/\/vibromera.eu\/fi\/calculators\/gear-ratio-calculator\/\">v\u00e4lityssuhdelaskuri<\/a> m\u00e4\u00e4ritt\u00e4\u00e4 tarvittavan tulo- ja l\u00e4ht\u00f6nopeuksien suhteen ennen kaavan soveltamista.<\/p>\n<h3>Esimerkki 1: hunting-tooth-pari (pari ilman yhteisi\u00e4 tekij\u00f6it\u00e4)<\/h3>\n<ul>\n<li><strong>Pinion:<\/strong> 23 hammasta nopeudella 1800 rpm<\/li>\n<li><strong>Hammaspy\u00f6r\u00e4:<\/strong> 67 hammasta<\/li>\n<li><strong>SYT(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 sama hammaspari kohtaa vain noin kerran 2.2 sekunnissa, selv\u00e4sti alle pinioniakselin 30 Hz nopeuden<\/li>\n<li><strong>Merkitys:<\/strong> jokainen pinonin hammas on kosketuksessa jokaisen hammaspy\u00f6r\u00e4n hampaan kanssa ennen kuin kuvio toistuu<\/li>\n<li><strong>Tulos:<\/strong> aito hammaspy\u00f6r\u00e4, jossa kuluminen jakautuu tasaisesti<\/li>\n<\/ul>\n<h3>Esimerkki 2: ei-hunting-pari (pari, jolla on yhteisi\u00e4 tekij\u00f6it\u00e4)<\/h3>\n<ul>\n<li><strong>Pinion:<\/strong> 20 hammasta nopeudella 1800 rpm<\/li>\n<li><strong>Hammaspy\u00f6r\u00e4:<\/strong> 60 hammasta<\/li>\n<li><strong>SYT(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 yht\u00e4 suuri kuin l\u00e4ht\u00f6akselin (hammaspy\u00f6r\u00e4n) py\u00f6rimisnopeus<\/li>\n<li><strong>Merkitys:<\/strong> vain 20 erillist\u00e4 hammaskosketusparia on olemassa, ja kukin pari hammastuu uudelleen kymmenen kertaa sekunnissa<\/li>\n<li><strong>Tulos:<\/strong> tiettyihin hampaisiin keskittyv\u00e4 kulumaj\u00e4lki<\/li>\n<\/ul>\n<h3>Esimerkki 3: v\u00e4limuoto<\/h3>\n<ul>\n<li><strong>Pinion:<\/strong> 18 hammasta nopeudella 3600 rpm<\/li>\n<li><strong>Hammaspy\u00f6r\u00e4:<\/strong> 54 hammasta<\/li>\n<li><strong>SYT(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>Kuvio:<\/strong> vain 18 erillist\u00e4 hammaskosketusparia on olemassa, kukin toistuu 20 kertaa sekunnissa<\/li>\n<\/ul>\n<h2>3. Hunting-tooth- ja ei-hunting-hammaspy\u00f6r\u00e4parit<\/h2>\n<h3>Hunting-tooth-malli (GCD = 1)<\/h3>\n<p>Saavutetaan, kun hampaiden lukum\u00e4\u00e4r\u00e4 on suhteellisen ensisijainen (ei yhteisi\u00e4 tekij\u00f6it\u00e4):<\/p>\n<ul>\n<li><strong>Edut:<\/strong>\n<ul>\n<li>Jokainen hammaspy\u00f6r\u00e4n hammas lopulta kytkeytyy jokaisen hammaspy\u00f6r\u00e4n hampaan kanssa<\/li>\n<li>Kuluminen jakautuu tasaisesti kaikkien hampaiden kesken.<\/li>\n<li>Valmistusvirheet tasoittuvat keskiarvona sen sijaan, ett\u00e4 ne korostuisivat.<\/li>\n<li>Pidempi k\u00e4ytt\u00f6ik\u00e4.<\/li>\n<li>Suositeltava valinta useimpiin k\u00e4ytt\u00f6tarkoituksiin.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Haitat:<\/strong>\n<ul>\n<li>Vika, johon liittyy yksi tietty hammas <em>pair<\/em> toistuu vain hyvin matalalla HTF-taajuudella (pieni murto-osa akselin py\u00f6rimisnopeudesta), joten sen erottamiseen tarvitaan pitki\u00e4 aikakirjauksia. Yksi vaurioitunut hammas iskee silti kerran oman akselinsa kierrosta kohti.<\/li>\n<li>Saattaa vaatia tarkempaa valmistusta.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Ei-hunting-rakenne (GCD &gt; 1)<\/h3>\n<p>T\u00e4m\u00e4 tapahtuu, kun hampaiden numerot sis\u00e4lt\u00e4v\u00e4t yhteisi\u00e4 tekij\u00f6it\u00e4:<\/p>\n<ul>\n<li><strong>Edut:<\/strong>\n<ul>\n<li>Yksinkertaisempi hampaiden lukum\u00e4\u00e4r\u00e4n valinta.<\/li>\n<li>Voi mahdollistaa vakiomallisten, valmiiden vaihdekoot.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Haitat:<\/strong>\n<ul>\n<li>Samat hampaat pureutuvat toistuvasti toisiinsa (vain GCD:n mukaiset ainutlaatuiset parit ovat olemassa).<\/li>\n<li>Kuluminen keskittyy juuri n\u00e4ihin hammaspareihin.<\/li>\n<li>Tiettyjen hampaiden valmistusvirheet toistuvat jokaisella kierroksella.<\/li>\n<li>Yleens\u00e4 vaihteiston k\u00e4ytt\u00f6ik\u00e4 lyhenee.<\/li>\n<li>T\u00e4t\u00e4 v\u00e4ltet\u00e4\u00e4n yleens\u00e4 laadukkaiden vaihteistojen suunnittelussa.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>4. T\u00e4rin\u00e4n tunnuskuva<\/h2>\n<h3>HTF spektriss\u00e4 ja aaltomuodossa<\/h3>\n<p>HTF n\u00e4kyy harvoin voimakkaana erillisen\u00e4 piikkin\u00e4, ja se on yleens\u00e4 aivan liian matala erottuakseen sivukaistav\u00e4lin\u00e4. Rynt\u00f6taajuuden ymp\u00e4rill\u00e4 olevat sivukaistat <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/spectrum\/\">v\u00e4r\u00e4htelyspektri<\/a> ovat kahden hammaspy\u00f6r\u00e4n akselinopeuksien v\u00e4lein; HTF itse n\u00e4kyy hitaana, jaksollisena rynt\u00f6v\u00e4r\u00e4htelyn amplitudimodulaationa (huojuntana):<\/p>\n<ul>\n<li><strong>Keskushuippu:<\/strong> GMF (hammaspy\u00f6rien kosketustaajuus).<\/li>\n<li><strong>Sivunauhat:<\/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> hidas huojunta ajan aaltomuodossa \u2014 kokonaisv\u00e4r\u00e4htelytaso kasvaa ja vaimenee HTF-taajuudella (tyypillisesti hertsin murto-osasta muutamaan hertsiin).<\/li>\n<li><strong>Tulkinta:<\/strong> HTF-taajuudella toistuva modulaatio viittaa vikaan, joka liittyy tiettyyn hampaaseen <em>pair<\/em>, kuten vaurioitunut pinionin hammas, joka osuu s\u00e4\u00e4nn\u00f6llisesti vaurioituneeseen hammaspy\u00f6r\u00e4n hampaaseen; modulaation syvyys kuvastaa paikallisen vian vakavuutta.<\/li>\n<\/ul>\n<p>Koska n\u00e4m\u00e4 sivukaistat keskittyv\u00e4t korkean hammaspy\u00f6rien kosketustaajuuden ymp\u00e4rille ja voivat olla tihe\u00e4ss\u00e4, niiden havaitsemiseen on olemassa kaksi menetelm\u00e4\u00e4. <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/cepstrum\/\">Cepstrum-analyysi<\/a> tiivist\u00e4\u00e4 s\u00e4\u00e4nn\u00f6llisin v\u00e4limatkoin sijoitetun sivukaistaperheen yhdeksi quefrenssiviivaksi, jolloin v\u00e4limatkat ovat helposti luettavissa, ja <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/envelope-analysis\/\">verhok\u00e4yr\u00e4analyysi<\/a> palauttaa vaurioituneen hampaan kerran kierrosta kohti tapahtuvan iskun moduloidusta verkkosignaalista.<\/p>\n<h3>Diagnoosikuvioita<\/h3>\n<p><strong>Yksi vaurioitunut hammas:<\/strong> voimakkaat sivukaistat GMF:n ymp\u00e4rill\u00e4 sen hammaspy\u00f6r\u00e4n akselinopeuden v\u00e4lein, jossa vaurioitunut hammas on; yksi isku kyseisen hammaspy\u00f6r\u00e4n kierrosta kohti; <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/time-waveform\/\">aika-aaltomuoto<\/a> osoittaa selke\u00e4n jaksottaisen impulssin.<\/p>\n<p><strong>Hammaspy\u00f6r\u00e4n ep\u00e4keskisyys:<\/strong> akselinopeuden sivukaistat, jotka johtuvat heitosta tai ep\u00e4keskeisest\u00e4 asennuksesta; hammaskosketuksen syvyys vaihtelee kerran kierrosta kohti ja amplitudimoduloi GMF:\u00e4\u00e4; yleens\u00e4 korjattavissa uudelleenasennuksella tai heiton kompensoinnilla (katso <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/eccentricity\/\">eksentrisyys<\/a>).<\/p>\n<p><strong>Vaurio molemmissa hammaspy\u00f6riss\u00e4 (hammasparivika):<\/strong> kun vaurioitunut pinionin hammas kohtaa s\u00e4\u00e4nn\u00f6llisesti vaurioituneen hammaspy\u00f6r\u00e4n hampaan, v\u00e4r\u00e4htely kasvaa ja vaimenee matalalla HTF-taajuudella \u2014 hidas huojunta rynt\u00f6v\u00e4r\u00e4htelyn p\u00e4\u00e4ll\u00e4; voi edellytt\u00e4\u00e4 hammaspy\u00f6rien vaihtoa tai hyv\u00e4ksymist\u00e4, jos se pysyy toleranssissa.<\/p>\n<h2>5. K\u00e4yt\u00e4nn\u00f6n diagnoosi<\/h2>\n<h3>Viallisen hammaspy\u00f6r\u00e4n tunnistaminen<\/h3>\n<p>Selvitt\u00e4\u00e4ksesi, kummassa osassa \u2013 pinionissa vai hammaspy\u00f6r\u00e4ss\u00e4 \u2013 vika on:<\/p>\n<ol>\n<li><strong>Laske molemmat akselin py\u00f6rimisnopeudet:<\/strong> sis\u00e4\u00e4n- ja ulostulon kierrosluku.<\/li>\n<li><strong>Mittaa sivukaistojen v\u00e4linen et\u00e4isyys<\/strong> v\u00e4r\u00e4htelyspektrist\u00e4.<\/li>\n<li><strong>Jos v\u00e4li = sy\u00f6tt\u00f6akselin taajuus \u2192<\/strong> vika on pinionissa.<\/li>\n<li><strong>Jos v\u00e4li = l\u00e4ht\u00f6akselin taajuus \u2192<\/strong> vika on hammaspy\u00f6r\u00e4ss\u00e4.<\/li>\n<li><strong>Johtop\u00e4\u00e4t\u00f6kset:<\/strong> sivukaistojen v\u00e4linen et\u00e4isyys paljastaa, mik\u00e4 akseli \u2013 ja siten mik\u00e4 hammaspy\u00f6r\u00e4 \u2013 on viallinen.<\/li>\n<\/ol>\n<p>Juuri t\u00e4llaisiin mittauksiin kannettava kaksikanavainen analysaattori sopii erinomaisesti. Laitteen optisen kierroslukumittarin ansiosta tiedot sidotaan akselin kulmaan, <a href=\"https:\/\/vibromera.eu\/fi\/tuote\/balanset-1\/\">Balanset-1A<\/a> mittaa vaihdelaatikon kotelossa spektrin ja aikak\u00e4yr\u00e4n, jolloin sivukaistojen v\u00e4lin voi mitata tunnettujen tulo- ja l\u00e4ht\u00f6nopeuksien perusteella ja murtuneen hampaan kerran kierrosta kohti esiintyv\u00e4n impulssin voi tunnistaa aaltomuodosta \u2013 kaikki t\u00e4m\u00e4 k\u00e4ynniss\u00e4 olevalla koneella ilman, ett\u00e4 koteloa tarvitsee avata. <a href=\"https:\/\/vibromera.eu\/fi\/calculators\/harmonic-frequency-calculator\/\">harmonisten taajuuksien laskin<\/a> ja muuntaa sitten mitatun kierrosluvun etsitt\u00e4viksi tarkkoiksi hertsiarvoiksi.<\/p>\n<h3>Vakavuusarviointi<\/h3>\n<ul>\n<li><strong>Sivukaistan amplitudi:<\/strong> suuremmat amplitudit viittaavat vakavampaan paikalliseen vaurioon.<\/li>\n<li><strong>Sivukaistojen lukum\u00e4\u00e4r\u00e4:<\/strong> Useammat sivunauhat (korkeammat kertaluvut) osoittavat huonompaa kuntoa.<\/li>\n<li><strong>Ajan aaltomuoto:<\/strong> selke\u00e4, toistuva impulssi vahvistaa, ett\u00e4 isku kohdistui yksitt\u00e4iseen hampaaseen.<\/li>\n<li><strong>Vertailu GMF:\u00e4\u00e4n:<\/strong> sivukaistat, joiden amplitudi on yli ~25 % GMF-amplitudista, viittaavat merkitt\u00e4v\u00e4\u00e4n vikaan \u2014 hy\u00f6dyllinen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/defect-severity\/\">defect-severity<\/a> threshold.<\/li>\n<\/ul>\n<h2>6. Suunnitteluun liittyv\u00e4t seikat<\/h2>\n<h3>Hammaslukujen valinta<\/h3>\n<ul>\n<li><strong>K\u00e4yt\u00e4 alkulukuja<\/strong> mahdollisuuksien mukaan pakottaa GCD = 1 (hunting-tooth-rakenne).<\/li>\n<li><strong>V\u00e4lt\u00e4 yleisi\u00e4 tekij\u00f6it\u00e4<\/strong> \u2014 v\u00e4lt\u00e4 yhdistelmi\u00e4 kuten 20:60 (GCD = 20).<\/li>\n<li><strong>Hyvi\u00e4 esimerkkipareja:<\/strong> 17:51, 19:57, 23:69 (kaikkien GCD = 1).<\/li>\n<li><strong>Kompromissi:<\/strong> rajoitus voi hieman rajoittaa k\u00e4ytett\u00e4viss\u00e4 olevia v\u00e4lityssuhteita.<\/li>\n<\/ul>\n<h3>Milloin ei-hunting-rakenne on hyv\u00e4ksytt\u00e4v\u00e4<\/h3>\n<ul>\n<li>Kevyess\u00e4 k\u00e4yt\u00f6ss\u00e4 olevat sovellukset, joissa kuluminen ei ole kriittist\u00e4.<\/li>\n<li>Vakiovaihteistot, joissa tarkka v\u00e4lityssuhde on v\u00e4ltt\u00e4m\u00e4t\u00f6n.<\/li>\n<li>Lyhytaikaiset k\u00e4ytt\u00f6kohteet, joissa kulumisen jakautumisella ei ole niin suurta merkityst\u00e4.<\/li>\n<li>Kun valmistuksen edut ovat suuremmat kuin kulumisesta aiheutuvat haitat.<\/li>\n<\/ul>\n<h2>7. Suhde muihin vaihetaajuuksiin<\/h2>\n<h3>Vaihteiston taajuushierarkia<\/h3>\n<ul>\n<li><strong>Shaft speeds:<\/strong> 1\u00d7 tulo- ja l\u00e4ht\u00f6akselille \u2014 matalimmat py\u00f6rimistaajuudet.<\/li>\n<li><strong>HTF:<\/strong> normaalisti kaikista matalin taajuus \u2014 pieni murto-osa akselin py\u00f6rimisnopeudesta hunting-rakenteessa (GCD = 1), eik\u00e4 koskaan hitaamman akselin nopeutta suurempi edes ei-hunting-rakenteessa.<\/li>\n<li><strong>GMF:<\/strong> hampaiden lukum\u00e4\u00e4r\u00e4 \u00d7 akselin py\u00f6rimisnopeus \u2014 suurin perustaajuus.<\/li>\n<li><strong>GMF harmonics:<\/strong> 2\u00d7GMF, 3\u00d7GMF ja niin edelleen, jotka johtuvat hammaskosketuksen ep\u00e4lineaarisuuksista ja <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/backlash\/\">backlash<\/a>.<\/li>\n<\/ul>\n<h3>Sivukaistan analysointistrategia<\/h3>\n<ul>\n<li>Sivukaistat akselin py\u00f6rimisnopeuden taajuusv\u00e4lill\u00e4 \u2192 ep\u00e4keskohammaspy\u00f6r\u00e4 tai yksitt\u00e4isen hampaan vika.<\/li>\n<li>Hidas amplitudimodulaatio (huojunta) HTF-taajuudella \u2192 toistuva hammaspariongelma, kuten vastaava vaurio molemmissa hammaspy\u00f6riss\u00e4.<\/li>\n<li>Ei selkeit\u00e4 sivukaistoja \u2192 yleinen hajautettu <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/gear-wear\/\">gear wear<\/a>tai yksinkertaisesti terve hammaspy\u00f6r\u00e4.<\/li>\n<\/ul>\n<p>HTF (hunting tooth frequency), vaikka se on vaihdedynamiikan hienovarainen osa-alue, tarjoaa arvokasta diagnostista tietoa. HTF-laskelman ymm\u00e4rt\u00e4minen ja HTF-sivukaistojen tunnistaminen auttavat analyytikkoa m\u00e4\u00e4ritt\u00e4m\u00e4\u00e4n tarkasti, miss\u00e4 vaihteessa vika sijaitsee ja onko kyseess\u00e4 yksitt\u00e4isen hampaan vaurio vai laajempi ongelma. T\u00e4m\u00e4 mahdollistaa kohdennetut ja varmat huoltop\u00e4\u00e4t\u00f6kset vaihdelaatikon vianm\u00e4\u00e4rityksess\u00e4.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/fi\/glossary\/\">\u2190 Takaisin p\u00e4\u00e4hakemistoon<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Opi v\u00e4r\u00e4htelyhampaan taajuudesta, joka on hammaspy\u00f6rien matalataajuinen v\u00e4r\u00e4htelykomponentti, jossa samat hampaat toistuvasti kytkeytyv\u00e4t toisiinsa paljastaen yksitt\u00e4isten hampaiden vikoja ja ep\u00e4keskisyytt\u00e4.<\/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\/fi\/wp-json\/wp\/v2\/glossary\/139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/139\/revisions"}],"predecessor-version":[{"id":102037,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/139\/revisions\/102037"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/media?parent=139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/categories?post=139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/tags?post=139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}