{"id":89,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/cracked-rotor\/"},"modified":"2026-05-23T22:47:44","modified_gmt":"2026-05-23T22:47:44","slug":"cracked-rotor","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/fi\/glossary\/cracked-rotor\/","title":{"rendered":"Mik\u00e4 on s\u00e4r\u00f6ill\u00e4 oleva roottori? Havaitseminen ja reagointi"},"content":{"rendered":"<h1>S\u00e4r\u00f6ytyneiden roottorien 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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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>A <strong>haljennut roottori<\/strong> on <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/roottori\/\">roottori<\/a> tai py\u00f6riv\u00e4 akseli, johon on kehittynyt v\u00e4symyss\u00e4r\u00f6 \u2014 murtuma, joka etenee materiaalin l\u00e4pi syklisen rasituksen vaikutuksesta. Se on pohjimmiltaan sama vika kuin <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/shaft-crack\/\">akselin halkeama<\/a>, mutta termi korostaa koko roottorikokonaisuutta eik\u00e4 pelkk\u00e4\u00e4 akselielementti\u00e4. Haljenneet roottorit ovat koniston vaarallisimpien vikojen joukossa, koska s\u00e4r\u00f6 voi kasvaa pienest\u00e4, havaitsemattomasta viasta t\u00e4ydelliseen katastrofaaliseen murtumaan p\u00e4ivien tai viikkojen kuluessa siit\u00e4, kun se on saavuttanut vaiheen, jossa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration\/\">t\u00e4rin\u00e4<\/a> seuranta voi havaita sen. Tunnusomainen signatuuri on selke\u00e4 <strong>2\u00d7 (toinen harmoninen)<\/strong> komponentti, joka kasvaa halkeaman edetess\u00e4, ja jonka aiheuttaa akselin j\u00e4ykkyyden kaksinkertainen kierrostaajuinen vaihtelu halkeaman auetessa ja sulkeutuessa py\u00f6rimisen aikana.<\/p>\n<h2>1. M\u00e4\u00e4ritelm\u00e4 ja miksi halkeamat ovat niin vaarallisia<\/h2>\n<p>V\u00e4symishalkeama py\u00f6riv\u00e4ss\u00e4 akselissa k\u00e4ytt\u00e4ytyy hyvin eri tavalla kuin staattinen vika. Jokainen kierros kohdistaa t\u00e4yden vetopuristus-taivutusjakson haljenneeseen poikkileikkaukseen, joten roottori ker\u00e4\u00e4 vaurioita samaa tahtia kuin kierroksia \u2014 tuhansia j\u00e4nnityssyklej\u00e4 minuutissa. Petollista on aikaj\u00e4nne: halkeama voi pysy\u00e4 hyv\u00e4nlaisena ja n\u00e4kym\u00e4tt\u00f6m\u00e4n\u00e4 vuosia, kunnes se siirtyy nopean kiihtymisen vaiheeseen, jossa marginaali &#8220;ensimm\u00e4isen luotettavan havaitsemisen&#8221; ja &#8220;murtuman&#8221; v\u00e4lill\u00e4 mitataan p\u00e4iviss\u00e4. Juuri t\u00e4m\u00e4 lyhyt varoitusikkuna on syy siihen, miksi vahvistettu halkeama k\u00e4sitell\u00e4\u00e4n tavallisesti perusteena v\u00e4litt\u00f6m\u00e4lle <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/shutdown\/\">sammutus<\/a>, ja miksi jatkuva <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/condition-monitoring\/\">kunnonvalvonta<\/a> on perusteltua kriittisiss\u00e4 koneissa.<\/p>\n<h2>2. Kuinka halkeamat kehittyv\u00e4t roottoreissa<\/h2>\n<h3>Halkeamien syntymiskohdat<\/h3>\n<p>Halkeamat syntyv\u00e4t l\u00e4hes aina j\u00e4nnityskonsentraatiokohtaan \u2014 geometriseen tai metallurgiseen rakennepiirteeseen, jossa paikallinen j\u00e4nnitys on huomattavasti nimellisarvoa korkeampi:<\/p>\n<ul>\n<li><strong>Kiilaurat:<\/strong> ter\u00e4v\u00e4t kulmat kiilauran p\u00e4iss\u00e4 \u2014 yksitt\u00e4isist\u00e4 syist\u00e4 yleisin syntymiskohta.<\/li>\n<li><strong>Halkaisijan muutokset:<\/strong> olakkeet, askelmat ja siirtym\u00e4kohdat.<\/li>\n<li><strong>Kierteiset osat:<\/strong> kierteen juuret, jotka keskitt\u00e4v\u00e4t j\u00e4nnityst\u00e4.<\/li>\n<li><strong>Rei\u00e4t ja poikkiporaukset:<\/strong> \u00f6ljykanavat tai kiinnitysrei\u00e4t.<\/li>\n<li><strong>Painetun sovituksen reunat:<\/strong> ahdistussovitteet, jotka j\u00e4tt\u00e4v\u00e4t j\u00e4\u00e4nn\u00f6sj\u00e4nnityksi\u00e4 ja altistavat hankauskulumiselle.<\/li>\n<li><strong>Hitsaukset:<\/strong> l\u00e4mp\u00f6vaikutusvy\u00f6hykkeet ja hitsaussaumojen reunat.<\/li>\n<li><strong>Korroosiokuopat:<\/strong> pinnan vauriot <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/corrosion\/\">korroosio<\/a> jotka toimivat valmiina halkeaman alkukohtina.<\/li>\n<li><strong>Ty\u00f6st\u00f6j\u00e4ljet:<\/strong> ty\u00f6kaluj\u00e4ljet, erityisesti kun ne ovat kohtisuorassa p\u00e4\u00e4j\u00e4nnityssuuntaan n\u00e4hden.<\/li>\n<\/ul>\n<h3>Halkeamien kasvuprosessi<\/h3>\n<ol>\n<li><strong>Mikrohalkeamien muodostuminen:<\/strong> aloitettu j\u00e4nnityskonsentraatiosta, tyypillisesti alle 1 mm.<\/li>\n<li><strong>Hidas eteneminen:<\/strong> halkeama kasvaa asteittain jokaisen j\u00e4nnityssyklin my\u00f6t\u00e4 \u2014 t\u00e4m\u00e4 vaihe voi kest\u00e4\u00e4 vuosia.<\/li>\n<li><strong>Kiihtyvyys:<\/strong> halkeaman kasvaessa j\u00e4nnitysintensiteetti nousee ja kasvunopeus kiihtyy.<\/li>\n<li><strong>Havaittava vaihe:<\/strong> kun halkeama on kasvanut noin 10\u201330 % halkaisijasta, 2\u00d7 v\u00e4r\u00e4htelykomponentti tulee havaittavaksi.<\/li>\n<li><strong>Critical size:<\/strong> j\u00e4ljell\u00e4 oleva poikkileikkauksen kannatin ei en\u00e4\u00e4 kykene kantamaan kuormaa.<\/li>\n<li><strong>Katastrofaalinen murtuma:<\/strong> \u00e4killinen, t\u00e4ydellinen akselin vika.<\/li>\n<\/ol>\n<p>Jokaisessa vaiheessa ajava voima on syklinen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/fatigue\/\">v\u00e4symys<\/a>, joten kaikki syklisi\u00e4 taivutusj\u00e4nnityksi\u00e4 alentava \u2014 hyv\u00e4 tasapaino, tarkka kohdistus \u2014 hidastaa suoraan s\u00e4r\u00f6jen kasvua.<\/p>\n<h2>3. Tunnusomainen 2X-t\u00e4rin\u00e4signatuuri<\/h2>\n<h3>Miksi halkeamat tuottavat 2X-v\u00e4r\u00e4htely\u00e4<\/h3>\n<p>Mekanismi on ns. <em>hengitt\u00e4v\u00e4 halkeama<\/em>:<\/p>\n<ul>\n<li><strong>Halkeama suljettu (puristus):<\/strong> kun s\u00e4r\u00f6inen alue py\u00f6rii puristusj\u00e4nnityksen alueelle (vaakasuoran akselin py\u00f6rimisen alaosa), s\u00e4r\u00f6pinnat painautuvat yhteen ja akselin j\u00e4ykkyys on suurempi.<\/li>\n<li><strong>Halkeama auki (j\u00e4nnitys):<\/strong> kun s\u00e4r\u00f6 py\u00f6rii vetoj\u00e4nnityksen alueelle (py\u00f6rimisen yl\u00e4osa), se avautuu ja akselin j\u00e4ykkyys on pienempi.<\/li>\n<li><strong>Kaksi kertaa kierrosta kohden:<\/strong> j\u00e4ykkyys muuttuu n\u00e4in ollen kaksi kertaa kierrosta kohden \u2014 kerran kun s\u00e4r\u00f6 kulkee yl\u00f6sp\u00e4in suuntautuvan asennon l\u00e4pi ja kerran alasp\u00e4in suuntautuvan.<\/li>\n<li><strong>2\u00d7 forcing:<\/strong> t\u00e4m\u00e4 j\u00e4ykkyydenvaihtelu kaksinkertaisella py\u00f6rimisnopeudella synnytt\u00e4\u00e4 2\u00d7-t\u00e4rin\u00e4vasteen.<\/li>\n<li><strong>Amplitudin kasvu:<\/strong> s\u00e4r\u00f6ytymisen syventyess\u00e4 j\u00e4ykkyyden ep\u00e4symmetria kasvaa ja 2\u00d7-amplitudi kasvaa sen mukana.<\/li>\n<\/ul>\n<h3>T\u00e4rin\u00e4ominaisuudet<\/h3>\n<ul>\n<li><strong>Ensisijainen indikaattori:<\/strong> 2\u00d7 komponentti, joka syntyy ja kasvaa tasaisesti ajan my\u00f6t\u00e4.<\/li>\n<li><strong>1\u00d7 muutokset:<\/strong> 1\u00d7-komponentti <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/running-speed\/\">ajonopeus<\/a> v\u00e4r\u00e4htely voi my\u00f6s lis\u00e4\u00e4nty\u00e4, kun halkeama aiheuttaa roottoriin j\u00e4\u00e4nn\u00f6staipuman.<\/li>\n<li><strong>Korkeammat yliaallot:<\/strong> 3\u00d7 ja 4\u00d7 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/harmonics\/\">yliaallot<\/a> voi esiinty\u00e4, kun halkeama muuttuu vakavaksi.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/fi\/glossary\/phase\/\">Vaihe<\/a> k\u00e4ytt\u00e4ytyminen:<\/strong> vaihekulmat muuttuvat k\u00e4ynnistyksen ja alasajon aikana eri tavalla kuin puhtaassa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/unbalance\/\">ep\u00e4tasapaino<\/a> vastaus - keskeinen erotteleva tekij\u00e4.<\/li>\n<li><strong>L\u00e4mp\u00f6tilaherkkyys:<\/strong> 2\u00d7 amplitudi voi vaihdella akselin l\u00e4mp\u00f6tilan mukaan, mik\u00e4 vaikuttaa siihen, kuinka helposti halkeama avautuu.<\/li>\n<\/ul>\n<p>On syyt\u00e4 korostaa, ett\u00e4 korkea 2\u00d7 ei yksin\u00e4\u00e4n todista, ett\u00e4 kyseess\u00e4 on halkeama \u2014 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/misalignment\/\">ep\u00e4kohdistus<\/a> ja er\u00e4\u00e4t <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/looseness\/\">l\u00f6ysyys<\/a> nostavat my\u00f6s 2\u00d7. Tunnusomaista on tasainen <em>kasvu<\/em> ajan mittaan ja ep\u00e4tavallinen vaihek\u00e4ytt\u00e4ytyminen resonanssin kautta, mink\u00e4 vuoksi k\u00e4ytet\u00e4\u00e4n sek\u00e4 trendi- ett\u00e4 transienttitestausta.<\/p>\n<h2>4. Tunnistaminen ja diagnoosi<\/h2>\n<h3>T\u00e4rin\u00e4nvalvonta<\/h3>\n<h4>2X\/1X-suhteen kehitys<\/h4>\n<p>K\u00e4yt\u00e4nn\u00f6llisin kentt\u00e4indikaattori on 2\u00d7 amplitudin suhde 1\u00d7 amplitudiin, jota seurataan ajan mittaan <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/trending\/\">trendin seuranta<\/a>:<\/p>\n<ul>\n<li>Normaalit koneet: 2\u00d7\/1\u00d7 alle noin 0,2-0,3.<\/li>\n<li>Ep\u00e4ilty halkeama: 2\u00d7\/1\u00d7 yli 0,5 ja kasvava.<\/li>\n<li>Vahvistettu halkeama: 2\u00d7\/1\u00d7 l\u00e4hestyy tai ylitt\u00e4\u00e4 1,0<\/li>\n<li>H\u00e4t\u00e4tilanne: 2\u00d7\/1\u00d7 yli 2,0 \u2014 v\u00e4lit\u00f6n pys\u00e4ytys suositeltavaa.<\/li>\n<\/ul>\n<h4>Transienttitestaus<\/h4>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/fi\/glossary\/bode-plot\/\">Bode-kuvaajat<\/a> tallennetaan k\u00e4ynnistyksen ja alasajon aikana.<\/li>\n<li>S\u00e4r\u00f6ill\u00e4 oleva roottori k\u00e4ytt\u00e4ytyy poikkeavasti 2\u00d7 resonanssin l\u00e4pi kulkiessaan.<\/li>\n<li>Kaksi piikki\u00e4 voi esiinty\u00e4 puolessa v\u00e4liss\u00e4 kutakin <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/critical-speed\/\">kriittinen nopeus<\/a>, koska 2\u00d7 pakotus her\u00e4tt\u00e4\u00e4 resonanssin puoleen tavanomaisesta nopeudesta.<\/li>\n<li>Vaihemuutokset eroavat normaalista ep\u00e4tasapainovasteesta<\/li>\n<\/ul>\n<h3>Rikkomaton tutkimus<\/h3>\n<p>T\u00e4rin\u00e4 kehottaa sinua katsomaan; <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/non-destructive-testing\/\">rikkomaton testaus<\/a> vahvistaa ja mitoittaa halkeaman:<\/p>\n<ul>\n<li><strong>Magneettijauhetarkastus (MPI):<\/strong> havaitsee pinnan ja pinnanl\u00e4heiset halkeamat.<\/li>\n<li><strong>L\u00e4p\u00e4isev\u00e4 v\u00e4riaine:<\/strong> pintaa rikkovien halkeamien visuaalinen havaitseminen.<\/li>\n<li><strong>Ultra\u00e4\u00e4nitestaus (UT):<\/strong> havaitsee sis\u00e4iset halkeamat ja mittaa niiden syvyyden.<\/li>\n<li><strong>Py\u00f6rrevirta:<\/strong> pinnan halkeamien havaitseminen ilman kosketusta.<\/li>\n<li><strong>Radiografia:<\/strong> sis\u00e4isten halkeamien havaitseminen kriittisiss\u00e4 komponenteissa.<\/li>\n<\/ul>\n<h2>5. H\u00e4t\u00e4toimenpiteet<\/h2>\n<h3>Ep\u00e4illyn halkeaman havaitsemisen yhteydess\u00e4<\/h3>\n<ol>\n<li><strong>Tarkkailun tehostaminen:<\/strong> kuukausittaisesta p\u00e4ivitt\u00e4iseen tai jatkuvaan.<\/li>\n<li><strong>Pienenn\u00e4 k\u00e4ytt\u00f6rasitusta:<\/strong> Alenna nopeutta tai kuormitusta, jos mahdollista.<\/li>\n<li><strong>Suunnittele v\u00e4lit\u00f6n tarkastus:<\/strong> ajoittaa NDT-tutkimus mahdollisimman pian.<\/li>\n<li><strong>Valmistaudu j\u00e4rjestelm\u00e4n sammuttamiseen:<\/strong> tilaa korvaava akseli ja suunnittele korjaustoimenpide.<\/li>\n<li><strong>Riskien arviointi:<\/strong> arvioida havaitun kasvunopeuden perusteella aika mahdolliseen vikaantumiseen.<\/li>\n<\/ol>\n<h3>Jos halkeama on vahvistettu<\/h3>\n<ul>\n<li><strong>V\u00e4lit\u00f6n sammutus<\/strong> - ellei muodollinen riskinarviointi osoita, ett\u00e4 toiminta on turvallista jatkaa m\u00e4\u00e4ritellyn, rajoitetun ajanjakson ajan.<\/li>\n<li><strong>Ei uudelleenk\u00e4ynnistyst\u00e4<\/strong> kunnes akseli on vaihdettu tai korjattu.<\/li>\n<li><strong>Akselin vaihto<\/strong> on luotettavin ratkaisu.<\/li>\n<li><strong>Perussyiden analyysi<\/strong> halkeaman syyn selvitt\u00e4miseksi ja halkeaman uusiutumisen est\u00e4miseksi.<\/li>\n<\/ul>\n<h2>6. Ennaltaehk\u00e4isystrategiat<\/h2>\n<h3>Suunnittelu<\/h3>\n<ul>\n<li>Poistaa tai minimoida j\u00e4nnityskeskittym\u00e4t.<\/li>\n<li>K\u00e4yt\u00e4 suuria s\u00e4teit\u00e4 (hy\u00f6dyllinen nyrkkis\u00e4\u00e4nt\u00f6 on R suurempi kuin 0,1 \u00d7 halkaisija).<\/li>\n<li>V\u00e4ltt\u00e4k\u00e4\u00e4 mahdollisuuksien mukaan avainuria; suosikaa pakkoliitoksia.<\/li>\n<li>M\u00e4\u00e4rit\u00e4 sopiva materiaali ja l\u00e4mp\u00f6k\u00e4sittely.<\/li>\n<li>K\u00e4yt\u00e4 pintak\u00e4sittelyj\u00e4, kuten kuulapuhallusta tai nitrauskarkaistusta, v\u00e4symiskest\u00e4vyyden parantamiseksi.<\/li>\n<\/ul>\n<h3>Toiminto<\/h3>\n<ul>\n<li>Pid\u00e4 hyv\u00e4n\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/tasapainottaminen\/\">tasapainon laatu<\/a> syklisen taivutusj\u00e4nnityksen minimoimiseksi.<\/li>\n<li>Pid\u00e4 tarkkuus <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/laser-shaft-alignment\/\">akselin linjaus<\/a> taivutusmomenttien v\u00e4hent\u00e4miseksi.<\/li>\n<li>V\u00e4lt\u00e4 jatkuvaa k\u00e4ytt\u00f6\u00e4 kriittisill\u00e4 py\u00f6rimisnopeuksilla.<\/li>\n<li>Est\u00e4 ylinopeustilanteet.<\/li>\n<li>Hallitse l\u00e4mp\u00f6rasitusta asianmukaisella l\u00e4mmityksell\u00e4 ja j\u00e4\u00e4hdytyksell\u00e4.<\/li>\n<\/ul>\n<h3>Huolto<\/h3>\n<ul>\n<li>Rutiininomainen t\u00e4rin\u00e4nseuranta eksplisiittisell\u00e4 2\u00d7-trendin seurannalla.<\/li>\n<li>M\u00e4\u00e4r\u00e4aikainen NDT-tarkastus \u2014 vuosittain tai riskinarvioinnin mukaan.<\/li>\n<li>Ehk\u00e4ise korroosio, mik\u00e4 suojaa kuoppien aiheuttamalta halkeilulta.<\/li>\n<li>Pid\u00e4 t\u00e4rin\u00e4 alhaisena syklisen rasituksen v\u00e4hent\u00e4miseksi.<\/li>\n<\/ul>\n<p>Hyv\u00e4 tasapaino ansaitsee t\u00e4ss\u00e4 yhteydess\u00e4 erityismaininnan, koska se on ainoa ennaltaehk\u00e4isev\u00e4 toimenpide, jota huoltoryhm\u00e4 voi soveltaa kent\u00e4ll\u00e4. Kannettava kaksikanavainen analysaattori, kuten esimerkiksi <a href=\"https:\/\/vibromera.eu\/fi\/tuote\/balanset-1\/\">Balanset-1A<\/a> mittaa 1\u00d7 amplitudin ja vaiheen koneen omissa laakereissa ja ohjaa yksi- tai kaksitasoisen korjauksen avulla <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/trial-weight\/\">koepaino<\/a>, joka ajaa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/residual-unbalance\/\">j\u00e4\u00e4nn\u00f6sep\u00e4tasapaino<\/a> ISO 21940-11 -tavoitteeseensa. Alhaisemmat 1\u00d7-voimat tarkoittavat alhaisempaa syklist\u00e4 taivutusrasitusta jokaisessa avainurassa ja olakkeessa, mik\u00e4 pident\u00e4\u00e4 suoraan v\u00e4symiskest\u00e4vyytt\u00e4, jonka s\u00e4r\u00f6 muutoin kuluttaisi. Sama laite on korvaamaton k\u00e4ynnistys- ja alasajotietojen amplitudi- ja vaihetietojen ker\u00e4\u00e4misess\u00e4, mik\u00e4 erottaa hengitt\u00e4v\u00e4n halkeaman tavallisesta ep\u00e4tasapainosta.<\/p>\n<p>Haljenneet roottorit ovat yksi py\u00f6rivien koneiden kriittisimmist\u00e4 vikaantumistavoista. T\u00e4rin\u00e4nvalvonnan \u2014 joka havaitsee 2\u00d7-komponentin tyypillisen kasvun \u2014 ja s\u00e4\u00e4nn\u00f6llisen rikkomatoman tarkastuksen yhdistelm\u00e4 tarjoaa olennaisen suojan: se mahdollistaa havaitsemisen ennen katastrofaalista vikaantumista ja mahdollistaa suunnitellun akselin vaihdon, jolla v\u00e4ltet\u00e4\u00e4n laajat j\u00e4lkivauriot ja vakavat turvallisuusriskit.<\/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 s\u00e4r\u00f6ill\u00e4 olevista roottoreista ja py\u00f6rivien akselien v\u00e4symismurtumista, jotka aiheuttavat tyypillisi\u00e4 kaksinkertaisia v\u00e4r\u00e4htelyj\u00e4, jotka vaativat v\u00e4lit\u00f6nt\u00e4 havaitsemista ja sammuttamista katastrofaalisten vikojen est\u00e4miseksi.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-89","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/89","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":1,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/89\/revisions"}],"predecessor-version":[{"id":101379,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/89\/revisions\/101379"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/media?parent=89"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/categories?post=89"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/tags?post=89"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}