{"id":234,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/shaft-crack\/"},"modified":"2026-05-23T22:53:50","modified_gmt":"2026-05-23T22:53:50","slug":"shaft-crack","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/fi\/glossary\/shaft-crack\/","title":{"rendered":"Mik\u00e4 on akselin halkeama? Havaitseminen ja diagnosointi"},"content":{"rendered":"<h1>Py\u00f6rivien koneiden akselihalkeamien 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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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\/234?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>akselin halkeama<\/strong> on py\u00f6riv\u00e4ss\u00e4 akselissa esiintyv\u00e4 murtuma tai katkos, joka syntyy v\u00e4symisen, j\u00e4nnityskeskittym\u00e4n tai materiaalivirheen seurauksena. Halkeamat alkavat l\u00e4hes aina pinnalta ja etenev\u00e4t sis\u00e4\u00e4np\u00e4in, kulkien kohtisuoraan suurimman vetoj\u00e4nnityksen suuntaan n\u00e4hden. Py\u00f6riviss\u00e4 koneissa ne kuuluvat vaarallisimpiin vikoihin, sill\u00e4 halkeama voi kehitty\u00e4 huomaamattomasta hiushalkeamasta t\u00e4ydelliseksi akselin murtumaksi muutamassa tunnissa tai p\u00e4iv\u00e4ss\u00e4, mik\u00e4 voi johtaa katastrofaaliseen, hengenvaaralliseen vikaantumiseen. Onneksi kehittyv\u00e4 halkeama paljastaa itsens\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration\/\">t\u00e4rin\u00e4<\/a> signaali \u2014 tyypillisimmin nousevan 2\u00d7-komponentin (kaksi kertaa kierrosta kohti) kautta \u2014 niin kurinalaisesti <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration-analysis\/\">v\u00e4r\u00e4htelyanalyysi<\/a> tarjoaa aidon mahdollisuuden tarttua siihen, ennen kuin se livahtaa k\u00e4sist\u00e4.<\/p>\n<h2>1. M\u00e4\u00e4ritelm\u00e4: Mik\u00e4 on akselin halkeama?<\/h2>\n<p>Mekaanisesti halkeama on alue, jossa akseli on menett\u00e4nyt yhten\u00e4isyytens\u00e4 ja siten my\u00f6s j\u00e4ykkyytens\u00e4. Akselin py\u00f6riess\u00e4 halkeama avautuu ja sulkeutuu vuorotellen heiluvien taivutusj\u00e4nnitysten vaikutuksesta, ja t\u00e4m\u00e4 &#8220;hengitys&#8221; saa akselin j\u00e4ykkyyden vaihtelemaan kulma-asennon mukaan. Juuri t\u00e4m\u00e4 ep\u00e4symmetria on syyn\u00e4 j\u00e4ljemp\u00e4n\u00e4 k\u00e4sitelt\u00e4viin diagnostisiin tunnusmerkkeihin, ja se erottaa todellisen poikittaishalkeaman pysyv\u00e4st\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/shaft-bow\/\">akselin taipuma<\/a> or a simple <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/unbalance\/\">ep\u00e4tasapaino<\/a>. Laajempaa ilmi\u00f6t\u00e4, jossa halkeama on edennyt niin pitk\u00e4lle, ett\u00e4 se muuttaa koko roottorin k\u00e4ytt\u00e4ytymist\u00e4, k\u00e4sitell\u00e4\u00e4n toisinaan otsikon alla <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/cracked-rotor\/\">haljennut roottori<\/a>.<\/p>\n<h2>2. Akselin halkeamien yleiset syyt<\/h2>\n<h3>Syklisten rasitusten aiheuttama v\u00e4symys<\/h3>\n<p>Py\u00f6riviss\u00e4 koneissa v\u00e4symisvauriot ovat yleisin syy, ja ne kertyv\u00e4t yksi rasitussykli kerrallaan:<\/p>\n<ul>\n<li><strong>Taivutusv\u00e4symys:<\/strong> ep\u00e4tasaisen j\u00e4ykkyyden omaava tai ep\u00e4keskisesti kuormitettu py\u00f6riv\u00e4 akseli altistuu t\u00e4ysin vastakkaiselle sykliselle taivutusj\u00e4nnitykselle.<\/li>\n<li><strong>V\u00e4\u00e4nt\u00f6v\u00e4symys:<\/strong> v\u00e4r\u00e4htelev\u00e4 v\u00e4\u00e4nt\u00f6momentti voimansiirtoakselien ajaa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/torsional-vibration\/\">v\u00e4\u00e4nt\u00f6v\u00e4r\u00e4htely<\/a> and fatigue.<\/li>\n<li><strong>Suurtaajuinen v\u00e4symisvaurio:<\/strong> Vuosien mittaan kertyy miljoonia syklej\u00e4, joten jopa v\u00e4h\u00e4iset rasitukset voivat lopulta aiheuttaa halkeaman.<\/li>\n<li><strong>J\u00e4nnityskeskittym\u00e4:<\/strong> ura-aukot, poikittaiset rei\u00e4t, py\u00f6ristyskohdat ja muut geometriset ep\u00e4jatkuvuudet lis\u00e4\u00e4v\u00e4t paikallisesti j\u00e4nnityst\u00e4 ja ovat tyypillisi\u00e4 murtumiskohteita.<\/li>\n<\/ul>\n<h3>K\u00e4ytt\u00f6olosuhteet<\/h3>\n<ul>\n<li><strong>Liiallinen ep\u00e4tasapaino:<\/strong> Suuri keskipakovoima aiheuttaa syklist\u00e4 taivutusj\u00e4nnityst\u00e4.<\/li>\n<li><strong>Kohdistusvirhe:<\/strong> taivutusmomentit <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/misalignment\/\">ep\u00e4kohdistus<\/a> nopeuttaa v\u00e4symyst\u00e4.<\/li>\n<li><strong>Resonanssik\u00e4ytt\u00f6:<\/strong> ajamalla nopeudella, joka on <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/critical-speed\/\">kriittinen nopeus<\/a> aiheuttaa suuria taipumia ja j\u00e4nnityksi\u00e4.<\/li>\n<li><strong>Ylikuormitus:<\/strong> k\u00e4ytt\u00f6 suunnittelurajojen ulkopuolella.<\/li>\n<li><strong>L\u00e4mp\u00f6j\u00e4nnitys:<\/strong> nopea l\u00e4mpeneminen tai j\u00e4\u00e4htyminen ja jyrk\u00e4t l\u00e4mp\u00f6tilagradientit, jotka voivat my\u00f6s aiheuttaa hetkellisen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/thermal-bow\/\">l\u00e4mp\u00f6taipuma<\/a>.<\/li>\n<\/ul>\n<h3>Materiaali- ja valmistusvirheet<\/h3>\n<ul>\n<li><strong>Aineelliset sulkeumat:<\/strong> kuonaa, onteloita tai vieraita aineita akselin materiaalissa.<\/li>\n<li><strong>Virheellinen l\u00e4mp\u00f6k\u00e4sittely:<\/strong> riitt\u00e4m\u00e4t\u00f6n karkaisu tai karkaisun j\u00e4lkik\u00e4sittely.<\/li>\n<li><strong>Koneistusvirheet:<\/strong> ty\u00f6kalun j\u00e4ljet, lovet tai naarmut, jotka toimivat j\u00e4nnityksen keskittym\u00e4kohtina.<\/li>\n<li><strong>Pistekorroosio:<\/strong> pinnan kuoppia, jotka toimivat halkeamien alkupistein\u00e4.<\/li>\n<li><strong>Fretting:<\/strong> puristusliitospinnoilla tai kiilauraissa, joissa pienet liikkeet vahingoittavat pintaa.<\/li>\n<\/ul>\n<h3>Toiminnalliset tapahtumat<\/h3>\n<ul>\n<li><strong>Ylinopeustapaukset:<\/strong> h\u00e4t\u00e4tilanne tai tahaton ylinopeus, joka aiheuttaa suuria rasituksia.<\/li>\n<li><strong>Severe rubs:<\/strong> <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/rotor-rub\/\">roottorin hankaus<\/a> Kontaktissa syntyv\u00e4 l\u00e4mp\u00f6 ja paikallinen j\u00e4nnityskeskittym\u00e4<\/li>\n<li><strong>T\u00f6rm\u00e4yskuormitus:<\/strong> \u00c4killiset kuormitukset prosessih\u00e4iri\u00f6ist\u00e4 tai mekaanisista iskuista<\/li>\n<li><strong>Aiemmat korjaukset:<\/strong> hitsaus tai koneistus, joka aiheuttaa j\u00e4\u00e4nn\u00f6sj\u00e4nnityksi\u00e4.<\/li>\n<\/ul>\n<h2>3. Akselin murtumisen aiheuttamat t\u00e4rin\u00e4oireet<\/h2>\n<h3>Tyypillinen 2\u00d7-komponentti<\/h3>\n<p>Poikittaisen akselihalkeaman tunnusomainen piirre on selv\u00e4sti erottuva <strong>2\u00d7 (toinen harmoninen)<\/strong> komponentti, ja sen taustalla oleva mekanismi on syyt\u00e4 ymm\u00e4rt\u00e4\u00e4 tarkasti:<\/p>\n<ul>\n<li>Akselin py\u00f6riess\u00e4 halkeama avautuu ja sulkeutuu kahdesti kierrosta kohden.<\/li>\n<li>Kun halkeama sijaitsee puristusp\u00e4\u00e4ss\u00e4 (kierron alaosassa), se sulkeutuu ja akseli on j\u00e4ykempi.<\/li>\n<li>Kun se k\u00e4\u00e4ntyy j\u00e4nnityspuolelle (kierron yl\u00e4asentoon), se avautuu ja akseli on joustavampi.<\/li>\n<li>T\u00e4m\u00e4 j\u00e4ykkyyden kaksi kertaa kierrosta kohti tapahtuva vaihtelu on sin\u00e4ns\u00e4 2\u00d7-pakkovoimafunktio.<\/li>\n<li>2\u00d7-amplitudi kasvaa halkeaman syventyess\u00e4 ja j\u00e4ykkyyden ep\u00e4symmetrian lis\u00e4\u00e4ntyess\u00e4 \u2014 mink\u00e4 vuoksi <em>trendi<\/em> on yht\u00e4 t\u00e4rke\u00e4\u00e4 kuin absoluuttinen taso.<\/li>\n<\/ul>\n<h3>Muita t\u00e4rin\u00e4indikaattoreita<\/h3>\n<ul>\n<li><strong>1\u00d7 muutokset:<\/strong> 1\u00d7-komponentin asteittainen kasvu, kun j\u00e4ykkyys muuttuu ja j\u00e4\u00e4nn\u00f6skaarevuus kehittyy.<\/li>\n<li><strong>Korkeammat yliaallot:<\/strong> 3\u00d7 ja 4\u00d7 voivat tulla esiin vakavuuden kasvaessa.<\/li>\n<li><strong>Phase shifts:<\/strong> ... <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/phase\/\">vaihe<\/a> kulman muutokset k\u00e4ynnistyksen tai hidastuksen aikana sek\u00e4 eri nopeuksilla.<\/li>\n<li><strong>Nopeudesta riippuva k\u00e4ytt\u00e4ytyminen:<\/strong> t\u00e4rin\u00e4 voi vaihdella ep\u00e4lineaarisesti nopeuden mukaan.<\/li>\n<li><strong>L\u00e4mp\u00f6tilaherkkyys:<\/strong> mittaustulokset voivat seurata l\u00e4mp\u00f6laajenemista, kun halkeama avautuu tai sulkeutuu.<\/li>\n<\/ul>\n<h3>K\u00e4ynnistys- ja hidastusk\u00e4ytt\u00e4ytyminen<\/h3>\n<ul>\n<li>2\u00d7-komponentti k\u00e4ytt\u00e4ytyy ep\u00e4tavallisesti transienttitilanteissa.<\/li>\n<li>A <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/bode-plot\/\">Bode-diagrammi<\/a> voi n\u00e4ytt\u00e4\u00e4 kaksi resonanssipiikki\u00e4, joista toinen sijaitsee kunkin kriittisen nopeuden puoliv\u00e4liss\u00e4, kun 2\u00d7-her\u00e4te pyyhk\u00e4isee l\u00e4pi.<\/li>\n<li>1\u00d7-komponentin vaihekehitys voi poiketa huomattavasti normaalista ep\u00e4tasapainoreaktiosta.<\/li>\n<\/ul>\n<h2>4. Tunnistusmenetelm\u00e4t<\/h2>\n<h3>T\u00e4rin\u00e4nvalvonta ja kentt\u00e4mittaukset<\/h3>\n<p>Koska varoitusmerkki on spektraalinen ja asteittainen, s\u00e4\u00e4nn\u00f6llinen mittaaminen on t\u00e4rkein puolustuskeino:<\/p>\n<ul>\n<li><strong>Trendiseuranta:<\/strong> Seuraa 2\u00d7\/1\u00d7-suhdetta ajan mittaan; tasainen nousu on varoitusmerkki, ja suhde, joka ylitt\u00e4\u00e4 noin 0,5:n, vaatii tarkempaa selvitt\u00e4mist\u00e4. Yht\u00e4 lailla ep\u00e4ilytt\u00e4vi\u00e4 ovat \u00e4killiset muutokset kehityskulussa.<\/li>\n<li><strong>Spektrianalyysi:<\/strong> routine <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/fft\/\">FFT<\/a> mittaustulokset, verrattuna aiempiin <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/baseline\/\">l\u00e4ht\u00f6taso<\/a>, paljastaa 2\u00d7-piikin syntymisen tai kasvun.<\/li>\n<li><strong>Transienttianalyysi:<\/strong> <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/waterfall-plot\/\">vesiputousdiagrammit<\/a> ja k\u00e4ynnistys- ja hidasteluvaiheiden Bode-kuviot paljastavat ep\u00e4tavallista k\u00e4ytt\u00e4ytymist\u00e4 kriittisen nopeuden ohituskohdissa.<\/li>\n<\/ul>\n<p>1\u00d7- ja 2\u00d7-komponenttien amplitudin ja vaiheen mittaaminen on juuri se teht\u00e4v\u00e4, jonka kannettava kaksikanavainen analysaattori tekee rutiiniksi. Vaiheviitteisell\u00e4 laitteella, kuten <a href=\"https:\/\/vibromera.eu\/fi\/tuote\/balanset-1\/\">Balanset-1A<\/a>, teknikko voi tallentaa laakereiden 1\u00d7- ja 2\u00d7-vektorit normaalin k\u00e4ynnin aikana ja jokaisen vapaak\u00e4ynnin yhteydess\u00e4, jolloin muodostuu trendi, joka erottaa vaarattoman 2\u00d7-arvon nousevasta arvosta \u2013 ero suunnitellun seisokin ja odottamattoman rikkoutumisen v\u00e4lill\u00e4.<\/p>\n<h3>T\u00e4rin\u00e4tt\u00f6m\u00e4t menetelm\u00e4t<\/h3>\n<p>Ep\u00e4ilytt\u00e4v\u00e4 t\u00e4rin\u00e4n kehitys on aina vahvistettava suoralla <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/non-destructive-testing\/\">rikkomaton testaus<\/a>:<\/p>\n<ul>\n<li><strong>Magneettijauhetarkastus (MPI):<\/strong> tunnistaa luotettavasti pinnan ja pinnanl\u00e4heiset halkeamat helposti tarkastettavissa olevissa ferromagneettisissa akseleissa; olennainen osa rutiininomaisia huoltotarkastuksia.<\/li>\n<li><strong>Ultra\u00e4\u00e4nitestaus (UT):<\/strong> havaitsee sis\u00e4iset ja pintahalkeamat ja pystyy l\u00f6yt\u00e4m\u00e4\u00e4n ne jo ennen t\u00e4rin\u00e4oireiden ilmenemist\u00e4; menetelm\u00e4 vaatii erikoislaitteita ja koulutettua henkil\u00f6st\u00f6\u00e4, ja se on ensisijainen valinta kriittisten akselien tarkastuksessa.<\/li>\n<li><strong>Tunkeutuvien v\u00e4riaineiden tarkastus:<\/strong> yksinkertainen pintahalkeamien tarkastusmenetelm\u00e4, joka edellytt\u00e4\u00e4 puhdistusta ja pinnan esik\u00e4sittely\u00e4 ja joka soveltuu hyvin helposti saavutettaville alueille seisokin aikana.<\/li>\n<li><strong>Py\u00f6rrevirta-tarkastus:<\/strong> kosketukseton pintahalkeamien tunnistus, joka soveltuu automatisoituun tarkastukseen ja toimii sek\u00e4 magneettisilla ett\u00e4 ei-magneettisilla materiaaleilla.<\/li>\n<\/ul>\n<h2>5. Reagointi ja korjaavat toimenpiteet<\/h2>\n<h3>Havaitsemisen yhteydess\u00e4 toteutettavat v\u00e4litt\u00f6m\u00e4t toimet<\/h3>\n<ol>\n<li><strong>Lis\u00e4\u00e4 seurannan tiheytt\u00e4:<\/strong> siirty\u00e4 kuukausittaisesta viikoittaiseen tai p\u00e4ivitt\u00e4iseen.<\/li>\n<li><strong>Pienenn\u00e4 k\u00e4ytt\u00f6rasitusta:<\/strong> v\u00e4henn\u00e4 nopeutta tai kuormitusta mahdollisuuksien mukaan.<\/li>\n<li><strong>Suunnittele seisakki:<\/strong> Varaa korjaus tai vaihto mahdollisimman pian<\/li>\n<li><strong>Suorita NDT-tarkastus:<\/strong> varmistaa halkeaman olemassaolon ja arvioida sen vakavuuden suoraan.<\/li>\n<li><strong>Riskien arviointi:<\/strong> tehd\u00e4 virallinen p\u00e4\u00e4t\u00f6s siit\u00e4, onko toiminnan jatkaminen turvallista.<\/li>\n<\/ol>\n<h3>Pitk\u00e4n aikav\u00e4lin ratkaisut<\/h3>\n<ul>\n<li><strong>Akselin vaihto:<\/strong> luotettavin ratkaisu todetun halkeaman korjaamiseen.<\/li>\n<li><strong>Korjaus (rajoitetuissa tapauksissa):<\/strong> Jotkut halkeamat voidaan poistaa koneistamalla ja korjata hitsaamalla, mutta vasta asiantuntijan arvioinnin j\u00e4lkeen.<\/li>\n<li><strong>Perussyiden analysointi:<\/strong> selvitt\u00e4\u00e4, miksi halkeama syntyi, jotta se ei toistuisi.<\/li>\n<li><strong>Suunnittelumuutokset:<\/strong> lievent\u00e4\u00e4 j\u00e4nnityskeskittymi\u00e4, parantaa materiaalivalintaa tai muuttaa k\u00e4ytt\u00f6tapaa.<\/li>\n<\/ul>\n<h2>6. Ennaltaehk\u00e4isystrategiat<\/h2>\n<h3>Suunnitteluvaihe<\/h3>\n<ul>\n<li>Poista ter\u00e4v\u00e4t kulmat ja j\u00e4nnityskeskittym\u00e4t.<\/li>\n<li>K\u00e4yt\u00e4 halkaisijan muuttuessa runsaasti py\u00f6ristettyj\u00e4 siirtym\u00e4kaaria.<\/li>\n<li>Valitse rasitustasoon ja k\u00e4ytt\u00f6ymp\u00e4rist\u00f6\u00f6n sopivat materiaalit.<\/li>\n<li>Suorita kriittisen geometrian j\u00e4nnitysanalyysi \u00e4\u00e4rellisten elementtien menetelm\u00e4ll\u00e4.<\/li>\n<li>K\u00e4yt\u00e4 pintak\u00e4sittelyj\u00e4, kuten kuulapuhallusta tai nitrausta, v\u00e4symislujuuden parantamiseksi.<\/li>\n<\/ul>\n<h3>K\u00e4ytt\u00f6vaihe<\/h3>\n<ul>\n<li>Pid\u00e4 hyv\u00e4n\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/balance-quality\/\">tasapainon laatu<\/a> syklisen taivutusj\u00e4nnityksen minimoimiseksi.<\/li>\n<li>Varmista, ett\u00e4 kohdistus on tarkka.<\/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 noudattamalla asianmukaisia l\u00e4mmittely- ja j\u00e4\u00e4hdyttelyohjeita.<\/li>\n<\/ul>\n<h3>Yll\u00e4pitovaihe<\/h3>\n<ul>\n<li>Tarkasta s\u00e4\u00e4nn\u00f6llisesti k\u00e4ytt\u00e4m\u00e4ll\u00e4 sopivia NDE-menetelmi\u00e4.<\/li>\n<li>Suorita t\u00e4rin\u00e4mittaus <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/trending\/\">trendin seuranta<\/a> ohjelma varhaisten oireiden havaitsemiseksi.<\/li>\n<li>Tee s\u00e4\u00e4nn\u00f6llisesti tasapainotusta v\u00e4symisj\u00e4nnitysten pit\u00e4miseksi alhaisina \u2014 paikan p\u00e4\u00e4ll\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/kenttatasapaino\/\">kentt\u00e4tasapainotus<\/a> t\u00e4m\u00e4n voi tehd\u00e4 k\u00e4yt\u00e4nn\u00f6ss\u00e4 ilman, ett\u00e4 roottoria tarvitsee irrottaa.<\/li>\n<li>Huolehdi korroosiosuojauksesta ja pinnoitteista.<\/li>\n<\/ul>\n<p>Akselin halkeamat ovat yksi py\u00f6rivien koneiden vakavimmista vikatiloista, ja niiden havaitsematta j\u00e4\u00e4minen voi johtaa laitteiden tuhoutumiseen ja ihmisten vaarantumiseen. Tehokas ratkaisu on yhdistelm\u00e4: t\u00e4rin\u00e4nvalvonta, joka havaitsee tyypillisen 2\u00d7-signaalin varhaisessa vaiheessa, sek\u00e4 s\u00e4\u00e4nn\u00f6lliset rikkomattomat tarkastukset, joilla vahvistetaan ja m\u00e4\u00e4ritet\u00e4\u00e4n t\u00e4rin\u00e4n viittaamat vauriot. Yhdess\u00e4 n\u00e4m\u00e4 mahdollistavat suunnitellun ja hallitun kunnossapidon \u2013 ja est\u00e4v\u00e4t hiljaisen hiushalkeaman muuttumisen \u00e4killiseksi ja voimakkaaksi murtumaksi.<\/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 py\u00f6rivien koneiden akselin halkeamista, niiden syist\u00e4, tyypillisist\u00e4 v\u00e4r\u00e4htelyominaisuuksista, mukaan lukien 2X-komponentit, ja kriittisist\u00e4 havaitsemismenetelmist\u00e4 katastrofaalisten vikojen est\u00e4miseksi.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-234","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/234","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\/234\/revisions"}],"predecessor-version":[{"id":101407,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/234\/revisions\/101407"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/media?parent=234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/categories?post=234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/tags?post=234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}